Tower crane beside foundation pit

Abstract

The utility model belongs to the technical field of tower cranes, and particularly relates to a tower crane beside a foundation pit, which comprises a tower crane standard knot and a foundation seat, a cross seat is mounted at the bottom of the tower crane standard knot through bolts, a support frame is mounted between the cross seat and the tower crane standard knot, frame seats are arranged at four ends of the cross seat, positioning holes are formed in the bottoms of the frame seats, and the cross seat and the support frame are connected through bolts. Sliding grooves are formed in the four ends of the top of the foundation seat, sliding seats are slidably connected into the sliding grooves, a linkage plate is rotatably connected to the inner axis of the foundation seat, connecting rods are hinged to the four corners of the bottom of the linkage plate, a lead screw is rotatably connected into one sliding groove, and a screw rod is rotatably connected into the other sliding groove. The problems that due to the fact that the section of the standard knot is of a square structure, the tower crane frame is fixed through the arc-shaped fixing block in the scheme, the tower crane frame cannot be completely attached to the tower crane standard knot, the situation that the tower crane is inclined possibly occurs, the danger of the tower crane is caused, and certain defects exist are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tower cranes, and in particular relates to a foundation pit side tower crane. Background Art

[0002] With the rapid development of national economy, communication technology and control technology, the rise of various high-rise and super high-rise buildings and large-scale construction projects, the monitoring technology of tower cranes is also constantly improving, and the requirements for lifting height, lifting weight, trolley amplitude, wind speed and lifting torque are getting higher and higher. It is more and more widely used in the construction process of modern buildings. For general engineering construction, the tower erection work is carried out after earth excavation, and the tower crane foundation adopts reinforced concrete foundation;

[0003] After checking the public (announcement) number: CN212248333U, a composite tower crane foundation structure with steel lattice columns in a foundation pit is disclosed. This technology discloses "a composite tower crane foundation structure with steel lattice columns in a foundation pit, which relates to the field of construction engineering technology, including a tower crane frame, an arc-shaped fixed block and a mounting seat, the top of the mounting seat is provided with a through groove, the inner bottom wall of the mounting seat is fixedly connected to the fixing seat, the two inner side surfaces of the mounting seat are fixedly connected to the sliding rod, and the outer surfaces of the two sliding rods are slidably connected to the movable plate. The composite tower crane with steel lattice columns in the foundation pit The basic structure is to place the bottom of the tower crane inside the fixed seat by passing the tower crane through the through slot, and limit the movement of the tower crane by bringing the two movable plates close to each other and covering the top of the fixed seat with the bottom of the movable plate, and clamp and fix the lower part of the tower crane by the left U-shaped fixing plate and the right U-shaped fixing plate, and fix the middle part of the tower crane by combining two arc-shaped fixing blocks, and fix multiple parts of the tower crane. The technical solutions have the technical effects of "better fixing effect, simple structure of the device, and easy installation and disassembly";

[0004] However, since the cross-section of the standard section is a square structure, the above solution uses an arc-shaped fixing block to fix the tower crane frame, which cannot be completely fitted with the tower crane standard section, and the tower crane may tilt, causing danger to the tower crane, which has certain defects;

[0005] In order to solve the above problems, a foundation pit side tower crane is proposed in the present application. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a foundation pit side tower crane, which has the characteristics that the base can be adapted to the cross seat on the standard sections of tower cranes of different specifications, and the standard sections of the tower crane are firmly fixed after being installed on the base.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tower crane at the side of a foundation pit, comprising a standard section of the tower crane and a base seat, a cross seat is installed at the bottom of the standard section of the tower crane by bolts, a support frame is installed between the cross seat and the standard section of the tower crane, a frame seat is provided at the four ends of the cross seat, a positioning hole is opened at the bottom of the frame seat, and a slide groove is opened at the top four ends of the base seat, the slide groove is internally slidably connected to the slide seat, the internal axis of the base seat is rotatably connected to a linkage plate, the bottom four corners of the linkage plate are hinged with connecting rods, one of the slide grooves is internally rotatably connected to a screw rod, an adjustment hole is opened on the screw rod, and a positioning head is fixed to the bottom of the slide seat.

[0008] As a preferred technical solution for a foundation pit side tower crane of the utility model, reinforcement frames are installed on both sides of the top of the sliding seat, and reinforcement holes are opened on both sides of the frame.

[0009] As a preferred technical solution for a foundation pit side tower crane of the utility model, reinforcing ribs are fixed between the common vertical surfaces on the reinforcement frame.

[0010] As an optimal technical solution for a foundation pit side tower crane of the utility model, the screw rod is threadedly connected to the sliding seat.

[0011] As an optimal technical solution for a foundation pit side tower crane of the utility model, an embedded seat is provided at the bottom of the foundation seat.

[0012] As a preferred technical solution for a foundation pit side tower crane of the utility model, one end of the connecting rod away from the linkage plate is hinged to the bottom of the sliding seat.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by inserting a tool into the adjustment hole and rotating the screw rod, the screw rod drives the linkage plate to rotate through the slide seat and the connecting rod, and the linkage plate drives another slide seat to slide along another slide groove through another connecting rod, so that the positioning head on the adjustable slide seat is located directly below the frame seat on the cross seat, so that the frame seat on the cross seat can be installed on the slide seat through the positioning hole and the positioning head, so that the tower crane standard section can be installed and fixed on the base seat, and the base seat can be adapted to the cross seats on the tower crane standard sections of different specifications for use;

[0014] After the frame on the cross seat is fixed on the slide, the frame and the slide are reinforced by using a reinforcement frame and bolts, so that the standard section of the tower crane is more firmly fixed after being installed on the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a standard section of a tower crane in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the base seat in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure inside the base of the utility model;

[0020] In the figure: 1. Standard section of tower crane; 2. Foundation seat; 3. Cross seat; 4. Support frame; 5. Frame seat; 6. Positioning hole; 7. Slide groove; 8. Slide seat; 9. Linkage plate; 10. Connecting rod; 11. Screw rod; 12. Adjustment hole; 13. Positioning head; 14. Reinforcement frame; 15. Reinforcement hole; 16. Embedded seat. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figure 1-4The utility model provides the following technical solutions: a foundation pit side tower crane, including a tower crane standard section 1 and a base 2, a cross seat 3 is installed at the bottom of the tower crane standard section 1 by bolts, a support frame 4 is installed between the cross seat 3 and the tower crane standard section 1, a frame seat 5 is provided at the four ends of the cross seat 3, a positioning hole 6 is opened at the bottom of the frame seat 5, a slide groove 7 is opened at the top four ends of the base 2, a slide seat 8 is slidably connected inside the slide groove 7, a linkage plate 9 is rotatably connected to the internal axis of the base 2, and a connecting rod 10 is hinged at the bottom four corners of the linkage plate 9, one of the slide grooves 7 is rotatably connected to the internal rotation of a screw rod 11, an adjustment hole 12 is opened on the screw rod 11, and the slide seat 8 is provided with a screw rod 12. A positioning head 13 is fixed at the bottom. In this embodiment, a tool is inserted into the adjustment hole 12 and the screw rod 11 is rotated. The screw rod 11 drives the linkage plate 9 to rotate through the slide 8 and the connecting rod 10. The linkage plate 9 drives another slide 8 to slide along another slide groove 7 through another connecting rod 10, so that the positioning head 13 on the adjustable slide 8 is located directly below the frame seat 5 on the cross seat 3, so that the frame seat 5 on the cross seat 3 can be installed on the slide 8 through the positioning hole 6 and the positioning head 13, so that the tower crane standard section 1 can be installed and fixed on the base seat 2, and the base seat 2 can be adapted to the cross seat 3 on the tower crane standard sections 1 of different specifications.

[0024] Specifically, reinforcement frames 14 are installed on both sides of the top of the slide 8, and reinforcement holes 15 are opened on both sides of the frame 5. In this embodiment, when the frame 5 on the cross seat 3 is fixed on the slide 8, the frame 5 and the slide 8 are reinforced by the reinforcement frames 14 and bolts.

[0025] Specifically, reinforcing ribs are fixed between the common vertical surfaces on the reinforcing frame 14 . In this embodiment, the strength of the joint surface on the reinforcing frame 14 can be improved by the reinforcing ribs.

[0026] Specifically, the screw rod 11 is threadedly connected to the slide seat 8 . In this embodiment, when the screw rod 11 rotates, it can drive the slide seat 8 to slide along the inside of the slide groove 7 .

[0027] Specifically, an embedded seat 16 is provided at the bottom of the base 2. In this embodiment, the base 2 is fixed on the ground by placing the embedded seat 16 in a pre-embedded pit and then filling the pit with soil.

[0028] Specifically, one end of the connecting rod 10 away from the linkage plate 9 is hinged to the bottom of the slide seat 8. In this embodiment, when the linkage plate 9 rotates, the slide seat 8 on each connecting rod 10 can be driven to slide synchronously.

[0029] The working principle and use process of the utility model are as follows: first, the embedded seat 16 is placed inside the embedded pit and then the pit is filled with soil to fix the base seat 2 on the ground; then, a tool is inserted into the adjusting hole 12 and the screw rod 11 is rotated, and the screw rod 11 drives the linkage plate 9 to rotate through the slide seat 8 in cooperation with the connecting rod 10, and the linkage plate 9 drives another slide seat 8 to slide along another slide groove 7 through another connecting rod 10, so that the positioning head 13 on the adjustable slide seat 8 is located directly below the frame seat 5 on the cross seat 3, so that the frame seat 5 on the cross seat 3 can be installed on the slide seat 8 through the positioning hole 6 in cooperation with the positioning head 13; finally, the frame seat 5 and the slide seat 8 are reinforced by the reinforcement frame 14 in cooperation with bolts, so that the standard section 1 of the tower crane is more firmly fixed after being installed on the base seat 2.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foundation pit side tower crane, comprising a tower crane standard section (1) and a foundation seat (2), characterized in that: A cross seat (3) is installed at the bottom of the tower crane standard section (1) by bolts, a support frame (4) is installed between the cross seat (3) and the tower crane standard section (1), a frame seat (5) is provided at the four ends of the cross seat (3), a positioning hole (6) is provided at the bottom of the frame seat (5), a slide groove (7) is provided at the four ends of the top of the base seat (2), a slide seat (8) is slidably connected inside the slide groove (7), a linkage plate (9) is rotatably connected to the internal axis of the base seat (2), and connecting rods (10) are hinged at the four bottom corners of the linkage plate (9), a screw rod (11) is rotatably connected inside one of the slide grooves (7), an adjustment hole (12) is provided on the screw rod (11), and a positioning head (13) is fixed at the bottom of the slide seat (8).

2. A foundation pit side tower crane according to claim 1, characterized in that: Reinforcement frames (14) are installed on both sides of the top of the slide seat (8), and reinforcement holes (15) are opened on both sides of the frame seat (5).

3. A foundation pit side tower crane according to claim 2, characterized in that: Reinforcing ribs are fixed between the common vertical surfaces on the reinforcing frame (14).

4. A foundation pit side tower crane according to claim 1, characterized in that: The screw rod (11) is threadedly connected to the slide seat (8).

5. A foundation pit side tower crane according to claim 1, characterized in that: An embedded seat (16) is provided at the bottom of the base seat (2).

6. A foundation pit side tower crane according to claim 1, characterized in that: One end of the connecting rod (10) away from the linkage plate (9) is hinged to the bottom of the slide seat (8).

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