CN211816376U - A tower crane foundation - Google Patents

Abstract

The utility model discloses a tower crane foundation, which mainly comprises a base, a first safety pin, a base, a connecting rod and a second safety pin. The base comprises a first layer and a second layer. There are at least two first through holes, and the second safety pin is used to pass through the first through holes of the first layer and the second layer in turn to fix the base and the foundation pit. The top of the base is provided with a connecting piece and a second through hole. One end of the connecting rod is hinged with the connecting piece, the other end of the connecting rod is hinged with the clamping piece, and the second safety pin is used to pass through the second through hole to fix the base and the ground. The structural arrangement can effectively ensure the effective recovery of the pre-embedded foundation, and the connection stability between the overall foundation and the tower crane can be further improved through the arrangement of the connecting rod.

Description

A tower crane foundation

technical field

The utility model relates to the technical field of tower cranes, in particular to a tower crane foundation.

Background technique

Tower crane, namely tower crane, referred to as tower crane, the main components are foundation, tower body, jacking, slewing, lifting, balance arm, boom, tower crane installation on the ground requires the foundation part, the tower body is The tower body is also the raised part, the jacking part is to make the tower crane rise, the slewing is to keep the upper body of the tower crane to rotate horizontally, the lifting mechanism is used to lift the heavy objects, and the balance arm is to maintain the torque Balanced, the jib is generally the force-bearing part of the lifting heavy object.

As we all know, the existing tower crane foundation is made of reinforced concrete. When it is cast on site, the construction period is ten to twenty days, and the tower crane must be installed when the concrete strength reaches more than 80% of the design strength, thus prolonging the construction time. Period, under the condition of low temperature, the pouring and maintenance of concrete is more difficult, and the concrete must have sufficient anti-overturning ability and compressive strength to ensure the normal operation of the tower crane. Some concrete foundations become underground waste, leaving underground obstacles for future urban construction, while others are demolished by blasting, causing waste of materials, increasing construction costs, and at the same time bringing safety hazards to production and causing pollution to the environment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a tower crane foundation to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a tower crane foundation, comprising: a base, a first safety pin, a base, a connecting rod and a second safety pin, the base includes a first layer and a second layer, And the first layer is the surface layer, the second layer is the bottom layer, and both the first layer and the second layer are provided with at least two first through holes, and the first safety pin is used to sequentially penetrate the first layer and the second layer of the second layer. The perforation is always through to fix the base and the foundation pit. The top of the base is provided with a connecting piece and a second through hole. One end of the connecting rod is hinged with the connecting piece, and the other end of the connecting rod is hinged with the clamping piece. The second safety pin is used to pass through The second through hole fixes the base to the ground.

Further, the tops of the first layer and the second layer are provided with concave rings.

Further, the diameter of the first layer is smaller than the diameter of the second layer.

Further, a plurality of hanging rings are arranged outside the second layer.

Further, four threaded holes are provided on the first layer.

Further, a support frame is also provided, one end of the support frame is connected with the bolt hole, and the other end of the support frame is fixed with the base.

Further, the connecting rod includes a first casing, a second casing and a double-ended threaded rod, one end of the double-ended threaded rod is threadedly connected to the first casing, and the other end of the double-ended threaded rod is threadedly connected to the second casing, One end of the first sleeve away from the double-ended threaded rod is hinged with the connecting piece, and one end of the second sleeve away from the double-ended threaded rod is hinged with the clamping piece.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model is simple in structure, safe and convenient to use, can effectively ensure the effective recovery of the pre-embedded foundation through the detachable structure arrangement, and can further improve the connection stability between the integral foundation and the tower crane through the arrangement of the connecting rod.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic top view of the base structure of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

1-2, this embodiment provides a technical solution: a tower crane foundation, including: a base 1, a first safety pin 2, a base 3, a connecting rod 4 and a second safety pin 5, the base 1 It includes a first layer 6 and a second layer 7, and the first layer 6 is a surface layer, the second layer 7 is a bottom layer, and at least two first through holes 8 are arranged on both the first layer 6 and the second layer 7, and the first layer 6 and the second layer 7 are provided. A safety pin 2 is used to pass through the first through holes 8 of the first layer 6 and the second layer 7 in sequence to fix the base 1 and the foundation pit. The top of the base 3 is provided with a connecting piece 9 and a second through hole 10, and There are preferably four bases 3, one end of the connecting rod 4 is hinged with the connecting member 9, the other end of the connecting rod 4 is hinged with the clamping member 11, the second safety pin 5 is used to pass through the second through hole 10 to fix the base 3 and the ground, At the same time, when the project is over and the tower crane is not needed, it can be easily disassembled, saving costs, indirectly protecting the environment, and enabling secondary use, further reducing production costs. It should be noted that when using, deal with At the site selection point of the tower crane, the foundation pit needs to be excavated, and then the second layer and the first layer are placed in the foundation pit in turn. Yes, when the first and second layers are docked in place, it is necessary to ensure that the upper and lower pin holes are vertical for subsequent insertion of safety pins. When the first and second layers form an integral structure, Fill the gap with the foundation pit. At the same time, it needs to be tamped by a rammer to ensure the stability of the foundation, and then the standard parts of the tower crane are connected to the foundation. At the same time, it should be noted that the foundation When the top of the base should be pre-cast, it is necessary to reserve bolt holes for fixing with the tower crane, and the depth of the bolt holes extending inward can reach the second layer. The base cooperates with the connecting rod and the standard parts of the tower crane for effective clamping, which further improves the stability of the overall mechanism.

Optionally, the tops of the first layer 6 and the second layer 7 are provided with concave lifting rings; this design structure is adopted to facilitate lifting and transportation. , The second layer is hoisted, placed and taken in sequence, so as to further ensure the convenience of use.

Optionally, the diameter of the first layer 6 is smaller than the diameter of the second layer 7, and this design structure is adopted to make the base more stable when the soil is compacted.

Optionally, a plurality of hanging rings 12 are provided on the outer side of the second layer 7; when in use, the safety pins can be passed through the hanging rings to be fixed to the foundation pit.

Optionally, the first layer 6 is provided with four threaded holes, and is also provided with a support frame 13, one end of the support frame 13 is connected with the bolt holes, and the other end of the support frame 13 is fixed with the base 3; using this The design structure is to ensure the connection between the base and the base, and the use should be connected, and then fixed with the standard parts through the connecting rod.

Optionally, the connecting rod 4 includes a first sleeve 14, a second sleeve 15 and a double-ended threaded rod 16, one end of the double-ended threaded rod 16 is threadedly connected to the first sleeve 14, and the other end of the double-ended threaded rod 16 is connected to the first sleeve 14. The two sleeves 15 are threadedly connected, and one end of the first sleeve 14 away from the double-ended threaded rod 16 is hinged with the connecting member 9, and one end of the second sleeve 15 away from the double-ended threaded rod 16 is hinged with the clamping member 11; using this design structure, The purpose is to realize the scalability of the connecting rod through the twisting of the double-ended threaded rod.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, system, product or device comprising a series of steps or units is not necessarily limited to those steps expressly listed or units, but may include other steps or units not expressly listed or inherent to these processes, products or devices.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those of ordinary skill in the art, and in the accompanying drawings, which may be exaggerated for the sake of clarity The thicknesses of layers and regions are described, and the same reference numerals are used to denote the same devices, and thus their descriptions will be omitted.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A tower crane foundation, comprising: the base (1), the base (1) comprises a first layer (6) and a second layer (7), the first layer (6) is a surface layer, the second layer (7) is a bottom layer, and at least two first through holes (8) are formed in the first layer (6) and the second layer (7); the first safety pin (2) is used for sequentially penetrating through the first through holes (8) of the first layer (6) and the second layer (7) to fix the base (1) and the foundation pit; the top of the base (3) is provided with a connecting piece (9) and a second through hole (10); one end of the connecting rod (4) is hinged with the connecting piece (9), and the other end of the connecting rod (4) is hinged with the clamping piece (11); and the second safety pin (5) is used for penetrating through the second through hole (10) to fix the base (3) with the ground.

2. The tower crane foundation of claim 1, wherein: the tops of the first layer (6) and the second layer (7) are provided with inwards concave hanging rings.

3. A tower crane foundation according to claim 1 or 2, characterized in that: the diameter of the first layer (6) is smaller than the diameter of the second layer (7).

4. A tower crane foundation as claimed in claim 3, characterised in that: a plurality of hanging rings (12) are arranged on the outer side of the second layer (7).

5. A tower crane foundation as claimed in claim 3, characterised in that: four threaded holes are formed in the first layer (6).

6. The tower crane foundation of claim 5, wherein: the support frame (13) is further arranged, one end of the support frame (13) is connected with the threaded hole, and the other end of the support frame (13) is fixed with the base (3).

7. The tower crane foundation of claim 1, wherein: connecting rod (4) include first sleeve pipe (14), second sleeve pipe (15) and double threaded rod (16), double threaded rod (16) one end with first sleeve pipe (14) threaded connection, the double threaded rod (16) other end with second sleeve pipe (15) threaded connection, just first sleeve pipe (14) are kept away from double threaded rod (16) one end with connecting piece (9) are articulated, second sleeve pipe (15) are kept away from double threaded rod (16) one end with holder (11) are articulated.

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