Movable base for hoisting machinery

Abstract

The invention discloses a movable base for hoisting machinery, and relates to the technical field of hoisting equipment. The device comprises a tower crane and a movable base, the movable base comprises a supporting base, a crawler chassis and a base stabilizing mechanism; a crawler chassis is fixed to the bottom face of the supporting base, and a tower crane is fixed to the supporting base. A base stabilizing mechanism is assembled on the supporting base; the base stabilizing mechanism comprises a stabilizing lifting frame and a lifting foundation column; a lifting through hole is formed in the supporting base, the inner wall of the lifting through hole is matched with the bottom of the stable lifting frame, a through hole is formed in the stable lifting frame, and the inner wall of the through hole is matched with the lifting foundation column; a stable lifting frame and a lifting foundation column are arranged on the supporting base in a matched mode. Through the action of the movable base, the tower crane can have the moving and moving functions, and the tower crane has the advantages that the dismounting and mounting construction period is shortened, and building materials and construction cost are saved.

Description

Technical Field

[0001] The invention belongs to the technical field of lifting equipment, and in particular relates to a mobile base for lifting machinery. Background Art

[0002] Lifting machinery refers to electromechanical equipment used for vertical lifting or vertical lifting and horizontal movement of heavy objects; among them, tower cranes are the most commonly used lifting equipment on construction sites, mainly used for vertical and horizontal transportation of materials and installation of building components in house construction. The base of a traditional tower crane is generally an integral base cast in concrete. Since it cannot be moved, it is disposable, which not only wastes construction resources, but also increases the cost of equipment use; there are problems such as high equipment cost, long construction period, and lack of mobility.

[0003] In view of the above-mentioned problems of high equipment cost, long construction period and lack of mobility, the present invention designs a mobile base for lifting machinery. Summary of the invention

[0004] The object of the present invention is to provide a mobile base for lifting machinery. Through the action of the mobile base, the tower crane can have a mobile function, thereby reducing the construction period of disassembly and installation and saving building materials and construction costs; solving the above-mentioned problems of high equipment use cost, long construction period and lack of mobility.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a mobile base for lifting machinery, comprising a tower crane and a mobile base; the mobile base comprises a supporting base, a crawler chassis and a base stabilizing mechanism; the crawler chassis is fixedly installed on the bottom surface of the supporting base, and the tower body of the tower crane is fixedly installed on the top surface of the supporting base; the supporting base is equipped with a base stabilizing mechanism on the side of the tower crane; the base stabilizing mechanism comprises a stabilizing lifting frame and a lifting foundation column; a lifting through hole is provided on the supporting base, the inner wall of the lifting through hole is slidably matched with the bottom of the stabilizing lifting frame, and a through hole is provided on the stabilizing lifting frame. The inner wall of the hole is in sliding cooperation with the lifting foundation column; a hydraulic component is installed between the support base and the stable lifting frame; a lifting control component is installed between the support base and the lifting foundation column; wherein, the hydraulic component controls the stable lifting frame to perform lifting operations, and the lifting control component controls the lifting foundation column to perform lifting operations; when the stable lifting frame and the lifting foundation column are inserted under the support base, they provide stable support and anchoring for the support base and the tower body of the tower crane; when the stable lifting frame and the lifting foundation column are pulled out and located above the ground, the crawler chassis provides the support base with the function of convenient mobility.

[0007] As a preferred technical solution of the present invention, the stable lifting frame includes a frame body and auxiliary limiting guide columns; a plurality of auxiliary limiting guide columns are fixedly installed on the periphery of the frame body; the through holes are located on the auxiliary limiting guide columns; the stable lifting frame provides lifting guidance and limiting functions for the lifting foundation column to ensure the stability of the lifting foundation column during installation and operation.

[0008] As a preferred technical solution of the present invention, a vertical guide column is fixedly installed on the support base; a limited guide hole is provided on the frame body; the inner wall of the limited guide hole is slidably matched with the vertical guide column; a reinforcing column is also fixed on the frame body; the reinforcing column is used to strengthen the structural strength of the stable lifting frame; the vertical guide column provides lifting guidance and limiting functions for the stable lifting frame.

[0009] As a preferred technical solution of the present invention, the hydraulic assembly includes a hydraulic cylinder, a fixed hinge seat and a supporting hinge seat; the fixed hinge seat is fixedly installed on the top surface of the crawler chassis, the hydraulic cylinder is hinged on the fixed hinge seat, and the telescopic end of the hydraulic cylinder is hinged to the supporting hinge seat; the supporting hinge seat is fixedly installed on the inner bottom surface of the stable lifting frame; the supporting base is provided with a makeshift groove at the hydraulic assembly; the hydraulic cylinder provides lifting power for the stable lifting frame through the makeshift groove.

[0010] As a preferred technical solution of the present invention, the lifting foundation column includes a lifting support plate, a reinforced connecting plate and a foundation column; a plurality of foundation columns are evenly fixedly installed on the lifting support plate; two adjacent foundation columns are fixedly installed with a reinforced connecting plate under the lifting support plate, and the lifting support plate and the reinforced connecting plate are respectively provided with a clearance hole and a threaded through hole; the clearance hole and the threaded through hole are respectively clearance-matched and thread-matched with the lifting control component.

[0011] As a preferred technical solution of the present invention, the lifting control component includes a driving motor, a gearbox and a threaded rod; the output shaft of the driving motor and the gearbox is fixedly connected to the threaded rod; the threaded rod is threadedly matched with the threaded through hole; the driving motor and the gearbox control the lifting height and position of the lifting foundation column through the threaded rod.

[0012] As a preferred technical solution of the present invention, fixed supports are fixedly installed at both ends of the support base; a plurality of support bottom columns are evenly threadedly installed on the bottom surface of the fixed support; a mounting groove is opened in the support base between two support bottom columns; a plurality of fixed pillars are fixedly installed in the mounting groove; when the crawler chassis moves, the support bottom column at the bottom of the fixed support is at a small distance from the ground to ensure that the overall inclination of the support base and the tower crane is extremely low during the movement, otherwise it will touch the ground and provide support; when the tower crane and the mobile base reach the specified position and are installed, the fixed pillars will be fixedly installed between the fixed support and the ground, and the stable lifting frame and the lifting foundation column will be lowered for installation.

[0013] The present invention has the following beneficial effects:

[0014] The present invention enables the tower crane to have a mobile function and provide stable support and anchoring functions through the function of the mobile base, thereby achieving the advantages of reducing the construction period of disassembly and installation, saving building materials, reducing construction costs and improving construction efficiency.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a mobile base for lifting machinery of the present invention;

[0018] Figure 2 It is a structural schematic diagram of a supporting base and a tower crane of the present invention;

[0019] Figure 3 A bottom view of the support base and the tower crane structure of the present invention;

[0020] Figure 4 A top view of the structure of the support base and the tower crane of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure of the stable lifting frame of the present invention;

[0022] Figure 6 It is a structural schematic diagram of the hydraulic assembly of the present invention;

[0023] Figure 7 It is a structural schematic diagram of the lifting foundation column of the present invention;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1-tower crane, 2-mobile base, 3-support base, 4-crawler chassis, 5-base stabilizing mechanism, 6-stabilizing lifting frame, 7-lifting foundation column, 8-hydraulic assembly, 9-lifting control assembly, 301-lifting through hole, 302-vertical guide column, 303-make way groove, 304-fixed support, 305-support bottom column, 306-installation groove, 307-fixed support, 601-through hole, 602-frame, 603-auxiliary limit guide column, 604-limit guide hole, 605-reinforcement column, 701-lifting support plate, 702-reinforced connecting plate, 703-foundation column, 704-make way hole, 705-threaded through hole, 801-hydraulic cylinder, 802-fixed hinge seat, 803-support hinge seat, 901-drive motor and gearbox, 902-threaded rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Embodiment 1

[0028] See also Figure 1-7As shown, the present invention is a mobile base for lifting machinery, including a tower crane 1 and a mobile base 2; the mobile base 2 includes a supporting base 3, a crawler chassis 4 and a base stabilizing mechanism 5; the crawler chassis 4 is fixedly installed on the bottom surface of the supporting base 3, and the tower body of the tower crane 1 is fixedly installed on the top surface of the supporting base 3; the supporting base 3 is equipped with a base stabilizing mechanism 5 on the side of the tower crane 1; the base stabilizing mechanism 5 includes a stabilizing lifting frame 6 and a lifting foundation column 7; a lifting through hole 301 is opened on the supporting base 3, and the inner wall of the lifting through hole 301 is slidably matched with the bottom of the stabilizing lifting frame 6, and a through hole 601 is opened on the stabilizing lifting frame 6. The inner wall of the hole 601 is slidably matched with the lifting foundation column 7; a hydraulic component 8 is installed between the support base 3 and the stable lifting frame 6; a lifting control component 9 is installed between the support base 3 and the lifting foundation column 7; wherein, the hydraulic component 8 controls the stable lifting frame 6 to perform lifting operations, and the lifting control component 9 controls the lifting foundation column 7 to perform lifting operations; when the stable lifting frame 6 and the lifting foundation column 7 are inserted under the support base 3, they provide stable support and anchoring for the support base 3 and the tower body of the tower crane 1; when the stable lifting frame 6 and the lifting foundation column 7 are pulled out and located above the ground, the crawler chassis 4 provides the support base 3 with the function of convenient mobility.

[0029] Among them Figure 5 As shown, the stable lifting frame 6 includes a frame body 602 and auxiliary limit guide columns 603; four auxiliary limit guide columns 603 are fixedly installed on the periphery of the frame body 602; the through hole 601 is located on the auxiliary limit guide column 603; the stable lifting frame 6 provides lifting guidance and limiting functions for the lifting foundation column 7 to ensure the stability of the lifting foundation column 7 during installation and operation; a vertical guide column 302 is fixedly installed on the support base 3; a limit guide hole 604 is provided on the frame body 602; the inner wall of the limit guide hole 604 is slidably matched with the vertical guide column 302; a reinforcing column 605 is also fixed on the frame body 602; the reinforcing column 605 is used to strengthen the structural strength of the stable lifting frame 6; the vertical guide column 302 provides lifting guidance and limiting functions for the stable lifting frame 6.

[0030] Among them Figure 5-6 As shown, the hydraulic assembly 8 includes a hydraulic cylinder 801, a fixed hinge seat 802 and a support hinge seat 803; the fixed hinge seat 802 is fixedly installed on the top surface of the crawler chassis 4, the hydraulic cylinder 801 is hinged on the fixed hinge seat 802, and the telescopic end of the hydraulic cylinder 801 is hinged to the support hinge seat 803; the support hinge seat 803 is fixedly installed on the inner bottom surface of the stable lifting frame 6; the support base 3 is provided with a makeshift groove 303 at the hydraulic assembly 8; the hydraulic cylinder 801 provides the stable lifting frame 6 with lifting power through the makeshift groove 303.

[0031] Among them Figure 7As shown, the lifting foundation column 7 includes a lifting support plate 701, a reinforced connecting plate 702 and a foundation column 703; four foundation columns 703 are evenly fixedly installed on the lifting support plate 701; two adjacent foundation columns 703 are fixedly installed with a reinforced connecting plate 702 below the lifting support plate 701, and a clearance hole 704 and a threaded through hole 705 are respectively opened on the lifting support plate 701 and the reinforced connecting plate 702; the clearance hole 704 and the threaded through hole 705 are respectively clearance-matched and thread-matched with the lifting control component 9; the lifting control component 9 includes a driving motor and gearbox 901 and a threaded rod 902; the output shaft of the driving motor and gearbox 901 is fixedly connected to the threaded rod 902; the threaded rod 902 is threadedly matched with the threaded through hole 705; the driving motor and gearbox 901 controls the lifting height and position of the lifting foundation column 7 through the threaded rod 902.

[0032] Embodiment 2

[0033] A more preferred technical solution based on the first embodiment is as follows: Figure 1-3 As shown, fixed supports 304 are fixedly installed at both ends of the support base 3; four support bottom columns 305 are evenly threadedly installed on the bottom surface of the fixed support 304; the support base 3 is provided with a mounting groove 306 between the two support bottom columns 305; six fixed pillars 307 are fixedly installed in the mounting groove 306; when the crawler chassis 4 moves, the support bottom column 305 at the bottom of the fixed support 304 is at a small distance from the ground to ensure that the overall inclination of the support base 3 and the tower crane 1 is extremely low during the movement, otherwise it will touch the ground and provide support; when the tower crane 1 and the mobile base 2 reach the specified position and are installed, the fixed pillars 307 will be fixedly installed between the fixed support 304 and the ground, and the stable lifting frame 6 and the lifting foundation column 7 will be lowered for installation.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mobile base for a lifting machine, comprising a tower crane (1); characterized in that: Also includes a mobile base (2); The mobile base (2) comprises a support base (3), a crawler chassis (4) and a base stabilizing mechanism (5); the crawler chassis (4) is fixedly mounted on the bottom surface of the support base (3), and the tower body of the tower crane (1) is fixedly mounted on the top surface of the support base (3); the support base (3) is equipped with a base stabilizing mechanism (5) on the peripheral side of the tower crane (1); The base stabilizing mechanism (5) comprises a stabilizing lifting frame (6) and a lifting foundation column (7); a lifting through hole (301) is provided on the support base (3), and the inner wall of the lifting through hole (301) is slidably matched with the bottom of the stabilizing lifting frame (6); a through hole (601) is provided on the stabilizing lifting frame (6), and the inner wall of the through hole (601) is slidably matched with the lifting foundation column (7); A hydraulic assembly (8) is installed between the support base (3) and the stable lifting frame (6); and a lifting control assembly (9) is installed between the support base (3) and the lifting foundation column (7).

2. A mobile base for a lifting machine according to claim 1, characterized in that: The stable lifting frame (6) comprises a frame body (602) and auxiliary limiting guide pillars (603); a plurality of auxiliary limiting guide pillars (603) are fixedly installed on the periphery of the frame body (602); and the through holes (601) are located on the auxiliary limiting guide pillars (603).

3. A mobile base for a lifting machine according to claim 2, characterized in that: A vertical guide column (302) is fixedly mounted on the support base (3); a limit conducting hole (604) is provided on the frame (602); the inner wall of the limit conducting hole (604) is slidably matched with the vertical guide column (302); and a reinforcing column (605) is also fixed on the frame (602).

4. A mobile base for a lifting machine according to claim 1, characterized in that: The hydraulic assembly (8) comprises a hydraulic cylinder (801), a fixed hinge seat (802) and a support hinge seat (803); the fixed hinge seat (802) is fixedly mounted on the top surface of the crawler chassis (4), the hydraulic cylinder (801) is hinged on the fixed hinge seat (802), and the telescopic end of the hydraulic cylinder (801) is hinged on the support hinge seat (803); the support hinge seat (803) is fixedly mounted on the inner bottom surface of the stable lifting frame (6); the support base (3) is provided with a clearance groove (303) at the hydraulic assembly (8).

5. The mobile base for lifting machinery according to claim 1, characterized in that: The lifting foundation column (7) comprises a lifting support plate (701), a reinforcing connecting plate (702) and a foundation column (703); a plurality of foundation columns (703) are evenly fixedly installed on the lifting support plate (701); two adjacent foundation columns (703) are fixedly installed with a reinforcing connecting plate (702) below the lifting support plate (701); the lifting support plate (701) and the reinforcing connecting plate (702) are respectively provided with a clearance hole (704) and a threaded through hole (705); the clearance hole (704) and the threaded through hole (705) are respectively clearance-matched and thread-matched with the lifting control component (9).

6. A mobile base for a lifting machine according to claim 5, characterized in that: The lifting control assembly (9) comprises a driving motor and a gearbox (901) and a threaded rod (902); the output shaft of the driving motor and the gearbox (901) is fixedly connected to the threaded rod (902); and the threaded rod (902) is threadably matched with the threaded through hole (705).

7. The mobile base for lifting machinery according to claim 1, characterized in that: Both ends of the support base (3) are fixedly mounted with fixed supports (304); a plurality of support base columns (305) are evenly threadedly mounted on the bottom surface of the fixed supports (304); a mounting groove (306) is provided between two support base columns (305) of the support base (3); and a plurality of fixed pillars (307) are fixedly mounted in the mounting groove (306).

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