An adjustable tower footing stabilization system

Abstract

The present application relates to tower crane technical field, disclose a kind of adjustable tower crane footing stabilizing system, the present application includes: base cross correction frame;Adjusting link frame, four are equipped with, respectively through rivet and bolt fixed in the four end portions of the base cross correction frame;Adjusting part and pad iron part, the lower end of the adjusting part is assembled in the pad iron part and only rotatable, the adjusting part has threaded section for with the adjusting link frame threaded connection, the adjusting link frame can be displaced up and down relative to the pad iron part after the adjusting part rotates.Originally adjusting a support needs to adjust multiple bolts is optimized to only need to adjust one adjusting part, which can be leveled in the process of tower crane base installation, it is more convenient to operate, after completing leveling, the corresponding moving load block is moved, so that it is engaged with the load tooth, after engagement, interference fit is formed, the engagement surface formed by the load block and the load tooth forms effective bearing surface.

Description

Technical Field

[0001] This invention relates to the field of tower crane technology, specifically to an adjustable tower crane base stabilization system. Background Technology

[0002] As the core load-bearing foundation of the tower crane, the quality of its construction directly determines the stability and safety of the tower crane's operation. The traditional construction process mainly includes the following steps: First, based on the tower crane model and load requirements, a foundation survey and design are conducted to determine the dimensions, depth, and stress parameters of the embedded base. Second, foundation pit excavation is carried out. After excavation to the design elevation, the bottom of the pit is leveled, compacted, and a bedding layer is laid and leveled to ensure the foundation's bearing capacity meets design requirements. Subsequently, the embedded outrigger components are placed according to the design position, and the spatial position and verticality of the embedded outriggers are fixed using positioning frames to ensure that the top flanges of the outriggers are at the same level. On the surface, anchor bolts and other anchoring components are installed simultaneously to ensure a reliable connection between the embedded components and the foundation structure. Next, the foundation reinforcement is tied, and the foundation formwork is installed. After the formwork is installed, it is checked to ensure that its position, size, and verticality meet the design standards. Then, concrete is poured, and it is vibrated and compacted during the pouring process to prevent quality defects such as honeycombing and pitting. After pouring, it is cured, and the formwork is removed after the concrete strength reaches the specified proportion of the design strength. Finally, the position, verticality, and anchoring reliability of the embedded legs are checked a second time. After confirmation that they are qualified, the construction of the tower crane embedded base is completed, providing foundation support for the subsequent installation of the tower crane body.

[0003] The current operation relies on bolts in the support leg connection for leveling, which has several drawbacks. First, the bolts directly become load-bearing components after adjustment, requiring a large number of bolts. Second, this complicates the adjustment process. Third, the bolts bear load through their threads, resulting in concentrated stress and requiring improved stability. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable tower crane base stabilization system to solve the problems mentioned in the background art.

[0005] An adjustable tower crane foot stabilization system, comprising:

[0006] Base cross brace;

[0007] The adjustable connecting frame has four parts, which are fixed to the four ends of the cross-shaped straightening frame on the base by rivets and bolts respectively;

[0008] The adjustment part and the shim part are provided. The lower end of the adjustment part is fitted into the shim part and can only rotate. The adjustment part has a threaded section for threaded connection with the adjustment connecting frame. After the adjustment part is rotated, the adjustment connecting frame can move up and down relative to the shim part.

[0009] The base portion is fixed to the pre-embedded steel reinforcement structure and is used to support the pad portion;

[0010] The angle iron mating part is fixed at one end to the outer side of the adjusting connecting frame, and the other end is provided with a biting lock.

[0011] An angle iron load block is fixedly installed on the base and has a meshing groove. The meshing lock slides up and down in the meshing groove. The meshing lock can be horizontally deformed and has two states: a locked state with the meshing groove and an unlocked state separated from the meshing groove.

[0012] Preferably, the upper end of the angle iron load block is also fixedly provided with a slewing bearing seat coaxial with the adjusting part, and the upper part of the adjusting part is assembled in the slewing bearing seat, thereby effectively restricting both ends of the adjusting part.

[0013] Preferably, the upper end of the adjustment part is provided with a force application hole horizontally.

[0014] Preferably, the engagement groove includes a through-hole engagement tooth frame and load teeth disposed on the inner wall of the engagement tooth frame. The engagement lock includes two load inserts with engagement teeth on their outer surfaces. The load inserts are horizontally slidably mounted on the angle iron mating part, and the distance between the two load inserts is adjustable. When the distance between the two load inserts increases, they engage with the load teeth and enter the locking state. Conversely, when the distance between the two load inserts decreases, they come together and completely disengage from the load teeth and enter the unlocking state.

[0015] Preferably, a bolt connection portion extending from the load tooth is fixedly provided at the outer end of the load insert, and the two bolt connection portions are fixed and the spacing is adjusted by bolts and nuts.

[0016] Preferably, the wall of the angle iron mating part is provided with a horizontal sliding groove for inserting the load insert and as a movable space for the horizontal movement of the load insert.

[0017] Preferably, each angle iron mating part is provided with two engagement locks, and each angle iron load block is provided with two engagement grooves that match the engagement locks. In this way, after the engagement locks are locked with the engagement grooves, two bearing points are formed, which together with the bearing points on the adjusting part form a triangular bearing point.

[0018] Preferably, the outer end of the angle iron mating part has two guide surfaces, and the inner wall of the angle iron load block has two guide surfaces. During the up-and-down movement of the angle iron mating part with the adjusting connecting frame, the guide surfaces abut against each other.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: This device optimizes the original method of adjusting multiple bolts to adjust one support leg to only require adjusting one adjusting part during the leveling operation of the tower crane base installation, making it more convenient in actual operation. In particular, after leveling is completed, the corresponding moving load block is moved so that it engages with the load teeth, forming an interference fit. The engagement surface formed by the load block and the load teeth forms an effective bearing surface, effectively reducing the local bearing pressure. In addition, the fixed anchor points formed by the two sets of load blocks and the load teeth, as well as the fixed anchor points formed by the bolt connection and the adjusting part, are triangular in the horizontal plane, further improving the connection stability in multiple degrees of freedom directions. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 yes Figure 1 Enlarged structural diagram at point A in the diagram;

[0022] Figure 3 This is a schematic diagram of the structure from another perspective of the present invention;

[0023] Figure 4 yes Figure 3 A magnified structural diagram at point B;

[0024] Figure 5 This is a schematic diagram of the structure from another perspective of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure from another perspective of the present invention;

[0026] Figure 7 yes Figure 6 A magnified structural diagram at point D.

[0027] The markings in the attached diagram are described as follows: 10. Base cross straightening frame; 11. Shim plate part; 12. Adjustment connecting frame; 13. Adjustment part; 14. Base part; 15. Angle iron load block; 16. Fitting tooth frame; 17. Loading tooth; 18. Angle iron mating part; 19. Horizontal slide groove; 20. Force application hole; 21. Slewing bearing seat; 22. Load insert; 23. Bolt connection part. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figure 1-7 This invention provides an adjustable tower crane base stabilization system, comprising:

[0030] The base cross straightening frame 10 serves as a pre-embedded main structural component, connecting and limiting various connecting accessories;

[0031] The adjusting connecting frame 12 is provided in four parts, which are respectively fixed to the four ends of the base cross straightening frame 10 by rivets and bolts;

[0032] Adjustment part 13 and shim part 11, the lower end of the adjustment part 13 is fitted into the shim part 11 and can only rotate, the adjustment part 13 has a threaded section for threaded connection with the adjustment connecting frame 12, after the adjustment part 13 rotates, the adjustment connecting frame 12 can move up and down relative to the shim part 11.

[0033] The base part 14 is fixed on the pre-embedded steel reinforcement structure and is used to support the pad part 11;

[0034] Angle iron mating part 18, one end is fixed to the outer side of the adjusting connecting frame 12, and the other end is provided with a biting lock;

[0035] An angle iron load block 15 is fixedly installed on the base part 14 and has a biting groove. The biting lock can slide up and down in the biting groove. The biting lock can be horizontally deformed and has two states: a locked state with the biting groove and an unlocked state separated from the biting groove.

[0036] Specifically, when in the locked state, the adjusting connecting frame 12 distributes the load to the angle iron load block 15 and transmits it to the base part 14, effectively reducing the local load on the adjusting part 13, improving the structural strength, and enabling adjustment of a single support leg by adjusting only the adjusting part 13, thus improving the ease of leveling operation.

[0037] Preferably, the upper end of the angle iron load block 15 is also fixedly provided with a slewing bearing seat 21 coaxial with the adjusting part 13. The upper part of the adjusting part 13 is assembled in the slewing bearing seat 21, thereby effectively restricting both ends of the adjusting part 13, making it more stable during the rotation of the adjusting part 13, which is conducive to improving the adjustment accuracy.

[0038] Preferably, the upper end of the adjustment part 13 is provided with a force application hole 20. Specifically, the force application hole 20 is used to insert a metal operating rod and rotate it when the adjustment part 13 needs to be rotated, so as to turn the adjustment part 13.

[0039] Preferably, the engagement groove includes a through-hole meshing tooth frame 16 and load teeth 17 disposed on the inner wall of the meshing tooth frame 16. The engagement lock includes two load inserts 22 with meshing teeth on their outer surfaces. The load inserts 22 are horizontally slidably mounted on the angle iron mating part 18, and the distance between the two load inserts 22 is adjustable. When the distance between the two load inserts 22 increases, they mesh with the load teeth 17 and enter the locking state. Conversely, when the two load inserts 22 come together, they completely disengage from the load teeth 17 and enter the unlocking state. Specifically, vertical locking is achieved by the conical meshing of the meshing teeth and the load teeth 17. The use of multiple meshing connections effectively increases the bearing area and improves the effective bearing capacity.

[0040] Preferably, a bolt connection portion 23 extending from the load tooth 17 is fixedly provided at the outer end of the load insert 22. The two bolt connection portions 23 are fixed and the spacing is adjusted by bolts and nuts. Specifically, the gap between the two load inserts 22 is adjusted by the cooperation of bolts and nuts to realize the switching of the cooperation relationship between the load insert 22 and the load tooth 17.

[0041] Preferably, the wall of the angle iron mating part 18 is provided with a horizontal sliding groove 19 for inserting the load insert 22 and serving as the movable space for the horizontal movement of the load insert 22.

[0042] Preferably, each angle iron mating part 18 is provided with two interlocking locks, and each angle iron load block 15 is provided with two interlocking grooves that match the interlocking locks. In this way, after the interlocking locks are locked with the interlocking grooves, two bearing points are formed, which together with the bearing points on the adjusting part 13 form a triangular bearing point, thus effectively improving the seismic resistance after the fixed connection.

[0043] Preferably, the outer end of the angle iron mating part 18 has two guide surfaces (K surfaces), and the inner wall of the angle iron load block 15 has two guide surfaces (M surfaces). During the up-and-down movement of the angle iron mating part 18 with the adjusting connecting frame 12, the guide surfaces abut against each other, which is an auxiliary design to improve the adjustment stability of the adjusting connecting frame 12.

[0044] Although this application has been described in conjunction with specific features and embodiments, it is obvious that various modifications and combinations can be made thereto without departing from the spirit and scope of this application. Accordingly, this specification and drawings are merely exemplary illustrations of the application as defined herein, and are to be considered as covering any and all modifications, variations, combinations, or equivalents within the scope of this application. Clearly, those skilled in the art can make various alterations and modifications to this application without departing from its scope. Thus, if such modifications and modifications fall within the scope of this application and its equivalents, this application intends to include such modifications and modifications.

Claims

1. An adjustable tower crane base stabilization system, characterized in that, include: Base cross-shaped correction frame (10); The adjusting connecting frame (12) is provided in four parts, which are respectively fixed to the four ends of the base cross straightening frame (10) by rivets and bolts; Adjustment part (13) and shim part (11), the lower end of the adjustment part (13) is fitted into the shim part (11) and can only rotate, the adjustment part (13) has a threaded section for threaded connection with the adjustment connecting frame (12), and the adjustment connecting frame (12) can move up and down relative to the shim part (11) after the adjustment part (13) rotates; The base part (14) is fixed on the pre-embedded steel reinforcement structure and is used to support the pad part (11); Angle iron mating part (18) is fixed at one end to the outer side of the adjusting connecting frame (12), and the other end is provided with a biting lock; An angle iron load block (15) is fixedly installed on the base part (14) and has a bite groove, wherein the bite lock slides up and down in the bite groove, the bite lock can be horizontally deformed and has two states, namely a locked state with the bite groove and an unlocked state separated from the bite groove.

2. The adjustable tower crane base stabilization system according to claim 1, characterized in that: The upper end of the angle iron load block (15) is also fixedly provided with a slewing bearing seat (21) coaxial with the adjustment part (13). The upper part of the adjustment part (13) is assembled in the slewing bearing seat (21), thereby effectively restricting both ends of the adjustment part (13).

3. The adjustable tower crane base stabilization system according to claim 2, characterized in that: The upper end of the adjustment part (13) is provided with a force application hole (20) through which horizontal force is applied.

4. The adjustable tower crane base stabilization system according to claim 3, characterized in that: The engagement groove includes a through engagement tooth frame (16) and load teeth (17) disposed on the inner wall of the engagement tooth frame (16). The engagement lock includes two load inserts (22) with engagement teeth on their outer surfaces. The load inserts (22) are horizontally slidably mounted on the angle iron mating part (18), and the distance between the two load inserts (22) is adjustable. When the distance between the two load inserts (22) increases, they engage with the load teeth (17) and enter the locking state. Conversely, when the distance between the two load inserts (22) decreases, they completely disengage from the load teeth (17) and enter the unlocking state.

5. An adjustable tower crane base stabilization system according to claim 4, characterized in that: A bolt connection part (23) extending from the load tooth (17) is fixedly provided at the outer end of the load insert (22), and the two bolt connection parts (23) are fixed and the spacing is adjusted by bolts and nuts.

6. The adjustable tower crane base stabilization system according to claim 5, characterized in that: The wall of the angle iron mating part (18) is provided with a horizontal sliding groove (19) for inserting the load insert (22) and serving as the moving space for the load insert (22) to move horizontally.

7. An adjustable tower crane base stabilization system according to claim 6, characterized in that: Two engagement locks are provided on a single angle iron mating part (18), and two engagement grooves are provided on a single angle iron load block (15) to match the engagement locks. In this way, after the engagement locks are locked with the engagement grooves, two bearing points are formed, and a triangular bearing point is formed with the bearing point on the adjusting part (13).

8. An adjustable tower crane base stabilization system according to claim 7, characterized in that: The outer end of the angle iron mating part (18) has two guide surfaces, and the inner wall of the angle iron load block (15) has two guide surfaces. During the up-and-down movement of the angle iron mating part (18) with the adjusting connecting frame (12), the guide surfaces abut against each other.

Images