CN211946010U

CN211946010U - Base fixer of small tower crane for building construction

Info

Publication number: CN211946010U
Application number: CN202020558228.3U
Authority: CN
Inventors: 徐恒强; 杨庆光
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-17
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a base fixer of a small tower crane for building construction, which comprises a base and a fixed plate, wherein four corners of the top surfaces of the base and the fixed plate are vertically provided with circular through holes, and the inner walls of the circular through holes of the base are provided with internal threads; vertically arranged threaded sleeves are fixedly arranged in the circular through holes of the fixing plate, and a vertically arranged first fixing bolt is spirally connected in each threaded sleeve; rectangular pedestal seats are movably mounted at four corners of the middle of the top surface of the fixed plate, rectangular damping cavities are formed in the base at the bottom end of each rectangular pedestal seat, and damping assemblies are fixedly mounted in each damping cavity; the outer side of each supporting leg is fixedly provided with a clamping assembly; the utility model discloses simple structure is convenient for tear open the ann of supporting leg and rectangle pedestal through the fixed block, has solved the problem that current fixing device is not convenient for to tear open safely, through the fixed splint of L type in the centre gripping subassembly, is convenient for increase the stability of supporting leg.

Description

Base fixer of small tower crane for building construction

Technical Field

The utility model relates to a tower crane base fixed technical field especially relates to a base fixer of small-size tower crane for construction.

Background

With the development of society and the sudden and violent advance of the building industry, all high-rise buildings can use tower cranes, a solid base must be built for erecting the tower crane, the existing tower crane base is mostly fixedly connected with a foundation, and the existing tower crane base is not suitable for mounting and dismounting operation when in use; the large components consume large physical force for workers; and current tower crane fixing device's true performance is relatively poor, and the while side direction is lower, easily takes place the danger of heeling, leads to the tower crane to have great security risk, threatens tower crane operating personnel's personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the practicality is not good among the prior art, and the base fixer of a small-size tower crane for construction that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a base fixer of a small tower crane for building construction comprises a base and a fixed plate, wherein the base and the fixed plate are both in a horizontally arranged rectangular plate shape, and the fixed plate is fixedly arranged on the top surface of the base; circular through holes are vertically formed in four corners of the top surfaces of the base and the fixing plate, and internal threads are formed in the inner walls of the circular through holes of the base; vertically arranged threaded sleeves are fixedly arranged in the circular through holes of the fixing plate, vertically arranged first fixing bolts are spirally connected in each threaded sleeve, and each first fixing bolt is spirally connected with the circular through hole of the base; rectangular pedestal seats are movably mounted at four corners of the middle of the top surface of the fixed plate, rectangular damping cavities are formed in the bases at the bottom ends of the rectangular pedestal seats, and damping assemblies are fixedly mounted in the damping cavities; a circular groove is formed in the middle of the top surface of each rectangular pedestal, and an internal thread is formed in the inner wall of each circular groove; a horizontally arranged cylindrical block is spirally connected in each circular groove; the outer wall of each cylindrical block is provided with an external thread; the top surface of each cylindrical block is fixedly connected with a supporting leg which is vertically arranged, and a clamping assembly is fixedly mounted on the outer side of each supporting leg.

Preferably, rectangular bearing plates are horizontally arranged at the top ends of the supporting legs, and the top end of each supporting leg is fixedly connected with the bottom surface of each bearing plate; threaded holes are vertically formed in four corners of the top surface of the bearing plate, and a third fixing bolt is spirally connected into each threaded hole.

Preferably, the damping assembly comprises damping plates and damping springs, each rectangular pedestal movably penetrates into a damping cavity, the middle part of each damping cavity is movably provided with a horizontally arranged damping plate, the bottom surface of each damping plate is fixedly provided with a plurality of vertically arranged damping springs, and the bottom end of each damping spring is fixedly connected with the bottom of the damping cavity; every the bottom surface of rectangle pedestal all with the top surface fixed connection of shock attenuation board.

Preferably, the centre gripping subassembly includes fixed block, first free bearing, connecting rod, L type solid fixed splint and second free bearing, every the fixed block of the equal fixed mounting of fixed plate top surface in the rectangle pedestal outside has the rectangle form, every the equal fixed mounting of top surface of fixed block has the first free bearing of notch up, every equal movable hinge has the connecting rod that the leanin set up on the first free bearing, every the equal vertical L type solid fixed splint that is provided with in the middle part outside of supporting leg, every the equal fixed mounting in the outside middle part of L type solid fixed splint has the second free bearing of notch outwards, every the top of connecting rod all articulates with the second free bearing activity.

Preferably, the top and the bottom of the outer side face of the L-shaped fixing splint are fixedly provided with second fixing bolts, and each second fixing bolt penetrates through the inner side face of the supporting leg.

Preferably, a rubber gasket is fixedly mounted on the inner side surface of each L-shaped fixing splint; fixing rods which are transversely arranged are fixedly arranged between the middle parts of the inner sides of the supporting legs; the fixed plate and the fixed block are both made of carbon structural steel.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the supporting legs and the rectangular pedestal are convenient to install and disassemble through the fixed blocks, thereby solving the problems that the existing fixing device is inconvenient to install and disassemble and the components are large and inconvenient to transport and transport; the third fixing bolt on the bearing plate is convenient for being fixedly connected with the tower body; the L-shaped fixed clamp plate in the clamping assembly is convenient for increasing the stability of the supporting leg and improving the stability of the tower crane foundation; the damping performance of the supporting legs is effectively improved through the damping assemblies, the vibration force of the ground to the tower crane foundation can be effectively weakened through the damping plates and the damping springs, and the problem that the conventional tower crane fixing device is poor in foundation damping effect is solved; the fixed rod between the supporting legs is convenient for increase the supporting strength between the supporting legs and prevent the performance of toppling.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic view of a base holder of a small tower crane for building construction according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a base holder of a small tower crane for construction according to the present invention;

FIG. 3 is a schematic view of a connecting structure between a clamping assembly and a support leg of a base holder of a small tower crane for building construction according to the present invention;

fig. 4 is an enlarged schematic view of the structure of the part a in fig. 2 of the base holder of the small tower crane for building construction provided by the utility model;

number in the figure: the support comprises a base 1, a fixing plate 2, a threaded sleeve 3, a first fixing bolt 4, a rectangular pedestal 5, a cylindrical block 6, a supporting leg 7, a bearing plate 8, a fixing block 9, a first hinged support 10, a connecting rod 11, an L-shaped fixing splint 12, a second hinged support 13, a second fixing bolt 14, a third fixing bolt 15, a damping plate 16 and a damping spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-4, the base fixer of the small tower crane for building construction in the utility model comprises a base 1 and a fixed plate 2, wherein the base 1 is formed by pouring concrete; the base 1 and the fixed plate 2 are both in a horizontally arranged rectangular plate shape, and the fixed plate 2 is fixedly arranged on the top surface of the base 1; circular through holes are vertically formed in four corners of the top surfaces of the base 1 and the fixing plate 2, and internal threads are formed in the inner walls of the circular through holes of the base 1; vertically arranged threaded sleeves 3 are fixedly arranged in the circular through holes of the fixed plate 2, vertically arranged first fixing bolts 4 are spirally connected in each threaded sleeve 3, and each first fixing bolt 4 is spirally connected with the circular through hole of the base 1; rectangular pedestal 5 are movably mounted at four corners of the middle of the top surface of the fixed plate 2, a rectangular damping cavity is formed in the base 1 at the bottom end of each rectangular pedestal 5, and a damping component is fixedly mounted in each damping cavity; a circular groove is formed in the middle of the top surface of each rectangular pedestal 5, and an internal thread is formed in the inner wall of each circular groove; a horizontally arranged cylindrical block 6 is spirally connected in each circular groove; the outer wall of each cylindrical block 6 is provided with an external thread; every the equal fixedly connected with of top surface of cylinder piece 6 is vertical the supporting leg 7 that sets up, every the equal fixed mounting in outside of supporting leg 7 has the centre gripping subassembly.

In the utility model, a rectangular bearing plate 8 is horizontally arranged at the top end of each supporting leg 7, and the top end of each supporting leg 7 is fixedly connected with the bottom surface of the bearing plate 8; threaded holes are vertically formed in four corners of the top surface of the bearing plate 8, and a third fixing bolt 15 is spirally connected into each threaded hole; the third fixing bolt 15 on the bearing plate 8 facilitates the fixed connection with the tower body.

In the utility model, the damping assembly comprises damping plates 16 and damping springs 17, each rectangular pedestal 5 movably penetrates into a damping cavity, the damping plates 16 horizontally arranged are movably mounted in the middle of each damping cavity, a plurality of vertically arranged damping springs 17 are fixedly mounted on the bottom surface of each damping plate 16, and the bottom end of each damping spring 17 is fixedly connected with the bottom of the damping cavity; the bottom surface of each rectangular pedestal 5 is fixedly connected with the top surface of a damping plate 16; effectively increased the shock attenuation performance of supporting leg 7 through damper assembly, through damping plate 16 and damping spring 17, can effectively weaken ground to the shaking force on tower crane basis, solved current tower crane fixing device and thought can relatively poor problem to the basis shock attenuation.

The utility model discloses in, the centre gripping subassembly includes fixed block 9, first free bearing 10, connecting rod 11, L type solid fixed splint 12 and second free bearing 13, at every fixed plate 2 top surface outside the rectangle pedestal 5 all fixed mounting have the rectangle form fixed block 9, at every fixed block 9 top surface all fixed mounting have notch first free bearing 10 up, on every first free bearing 10 all movable hinge have the connecting rod 11 that the inward sloping set up, in every the middle part outside of supporting leg 7 all vertically be provided with L type solid fixed splint 12, in every L type solid fixed splint 12 outside the outside middle part all fixed mounting have notch second free bearing 13 outward, every the top of connecting rod 11 all with second free bearing 13 movable hinge; through the L-shaped fixed clamp plate 12 in the clamping assembly, the stability of the supporting legs 7 is convenient to increase, and the stability of the tower crane foundation is improved.

In the utility model, the top and the bottom of the outer side surface of the L-shaped fixed splint 12 are both fixedly provided with second fixed bolts 14, and each second fixed bolt 14 penetrates through the inner side surface of the supporting leg 7; a rubber gasket is fixedly arranged on the inner side surface of each L-shaped fixed splint 12; transversely arranged fixing rods are fixedly arranged between the middle parts of the inner sides of the supporting legs 7, and the supporting strength and the overturn prevention performance between the supporting legs 7 are improved conveniently through the fixing rods between the supporting legs 7; the fixed plate 2 and the fixed block 9 are both made of carbon structural steel.

When the utility model is used, firstly, the fixing plate 2 is fixedly arranged on the top surface of the base 1 through the first fixing bolt 4; the supporting legs 7 and the rectangular pedestal 5 are convenient to mount and dismount through the fixing blocks 9, and the problems that the conventional fixing device is inconvenient to mount and dismount and large in component and inconvenient to transport and carry are solved; the third fixing bolt 15 on the bearing plate 8 is convenient for the fixed connection with the tower body; the stability of the supporting legs 7 is increased conveniently and the stability of the tower crane foundation is improved through the L-shaped fixed clamp plates 12 in the clamping assemblies; the damping performance of the supporting legs 7 is effectively improved through the damping components, the vibration force of the ground to the tower crane foundation can be effectively weakened through the damping plates 16 and the damping springs 17, and the problem that the conventional tower crane fixing device is poor in foundation damping expectation is solved; the supporting strength and the overturn prevention performance between the supporting legs 7 are improved conveniently through the fixing rods between the supporting legs 7; through swing joint between the centre gripping subassembly, be convenient for receive and release L type solid fixed splint 12 at the top surface of fixed plate 2 to reduce the height of device, the workman of being convenient for tears open the ann of device transportation, and this device not only stability is high, and simple structure, is convenient for install and use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a base fixer of small-size tower crane for construction, includes base (1) and fixed plate (2), its characterized in that: the base (1) and the fixed plate (2) are both in a horizontally arranged rectangular plate shape, and the fixed plate (2) is fixedly arranged on the top surface of the base (1); circular through holes are vertically formed in four corners of the top surfaces of the base (1) and the fixing plate (2), and internal threads are formed in the inner walls of the circular through holes of the base (1); vertically arranged threaded sleeves (3) are fixedly arranged in the circular through holes of the fixing plate (2), vertically arranged first fixing bolts (4) are spirally connected in each threaded sleeve (3), and each first fixing bolt (4) is spirally connected with the circular through hole of the base (1); rectangular pedestal bases (5) are movably mounted at four corners of the middle of the top surface of the fixed plate (2), rectangular damping cavities are formed in the base (1) at the bottom end of each rectangular pedestal base (5), and a damping assembly is fixedly mounted in each damping cavity; a circular groove is formed in the middle of the top surface of each rectangular pedestal (5), and an internal thread is formed in the inner wall of each circular groove; a cylindrical block (6) which is horizontally arranged is spirally connected in each circular groove; the outer wall of each cylindrical block (6) is provided with an external thread; the top surface of each cylindrical block (6) is fixedly connected with a supporting leg (7) which is vertically arranged, and a clamping assembly is fixedly mounted on the outer side of each supporting leg (7).

2. The base fixer of small tower crane for building construction according to claim 1, characterized in that: rectangular bearing plates (8) are horizontally arranged at the top ends of the supporting legs (7), and the top end of each supporting leg (7) is fixedly connected with the bottom surface of each bearing plate (8); threaded holes are vertically formed in four corners of the top surface of the bearing plate (8), and a third fixing bolt (15) is spirally connected into each threaded hole.

3. The base fixer of small tower crane for building construction according to claim 1, characterized in that: the damping assembly comprises damping plates (16) and damping springs (17), each rectangular pedestal (5) movably penetrates into a damping cavity, the horizontally arranged damping plate (16) is movably mounted in the middle of each damping cavity, a plurality of vertically arranged damping springs (17) are fixedly mounted on the bottom surface of each damping plate (16), and the bottom end of each damping spring (17) is fixedly connected with the bottom of each damping cavity; the bottom surface of each rectangular pedestal (5) is fixedly connected with the top surface of the damping plate (16).

4. The base fixer of small tower crane for building construction according to claim 1, characterized in that: centre gripping subassembly includes fixed block (9), first free bearing (10), connecting rod (11), L type solid fixed splint (12) and second free bearing (13), every the fixed block (9) of rectangle form are all fixed mounting to fixed plate (2) top surface in rectangle pedestal (5) outside, every the equal fixed mounting in top surface of fixed block (9) has notch first free bearing (10) up, every it has connecting rod (11) that the leanin set up to go up equal activity hinge joint in first free bearing (10) every the middle part outside of supporting leg (7) is equal vertical L type solid fixed splint (12) of being provided with in, every the equal fixed mounting in outside middle part of L type solid fixed splint (12) has notch second free bearing (13) outwards, every the top of connecting rod (11) all articulates with second free bearing (13) activity.

5. The base fixer of small tower crane for building construction according to claim 4, characterized in that: the top and the bottom of the outer side face of the L-shaped fixing splint (12) are fixedly provided with second fixing bolts (14), and each second fixing bolt (14) penetrates through the inner side face of the supporting leg (7).

6. The base fixer of small tower crane for building construction according to claim 4, characterized in that: a rubber gasket is fixedly arranged on the inner side surface of each L-shaped fixed splint (12); fixing rods which are transversely arranged are fixedly arranged between the middle parts of the inner sides of the supporting legs (7); the fixing plate (2) and the fixing block (9) are both made of carbon structural steel.