Medium-sized tower crane rotary table

Abstract

The utility model relates to the technical field of rotary tables, in particular to a middle-sized tower crane rotary table. Which comprises a rotary table body and is characterized in that the rotary table body comprises a supporting boss, two supporting plates are arranged at the top and the bottom of the supporting boss correspondingly, fixing hole positions are formed in the peripheral edges of the supporting plates, and a motor frame is arranged on one side of the supporting boss. Due to the design that the supporting plates are arranged at the top and the bottom of the supporting boss and the internal hollow structure is matched with the reinforcing plates, the bearing capacity and the stability of the rotary table are remarkably enhanced, and the rotary table is suitable for complex and changeable construction environments; the rotary bearing mounting hole and the reduction hole are formed, the operation flexibility and safety of the rotary table are improved, the partition plate clamping groove is formed in the reinforcing plate and used for mounting the matched partition plate, and a user can conveniently reconfigure space layout according to needs so as to meet specific use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of turntables, in particular to a medium-sized tower crane turntable. Background Art

[0002] Medium-sized tower cranes are indispensable lifting equipment in modern construction and industrial fields, and are widely used in important occasions such as construction and cargo loading and unloading. The efficiency and safety of tower cranes are directly related to the progress of operations and the safety of operators. As one of the core components of tower cranes, the structure and performance of turntables have an important impact on the stability, load-bearing capacity and operational flexibility of tower cranes. Traditional medium-sized tower crane turntables have deficiencies in load-bearing capacity, stability, corrosion resistance, etc., and cannot meet the needs of modern complex construction environments. Therefore, the development of a medium-sized tower crane turntable with a more reasonable structure and superior performance has become an urgent need in the industry.

[0003] A Chinese patent discloses a tower crane turntable (publication number: CN 217578118 U) comprising a main body, wherein two ends of the main body are respectively provided with a reinforcing plate 1 and a reinforcing plate 2, a through hole is opened in the middle of the main body, and the reinforcing plate 2 is located on the inner wall of the through hole and is provided with an outer baffle plate 1 and an outer baffle plate 2, the outer baffle plate 1 and the outer baffle plate 2 are arranged correspondingly, the outer baffle plate 1 and the outer baffle plate 2 are both hollow, the inner baffle plate 1 is slidably installed inside the outer baffle plate 1, and the inner baffle plate 2 is slidably installed inside the outer baffle plate 2. However, this tower crane turntable has a single functionality, poor adjustability, and is insufficient in terms of bearing capacity, stability, corrosion resistance, etc., and cannot meet the needs of modern complex construction environments. Therefore, a medium-sized tower crane turntable is needed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing tower crane turntable in the prior art, such as single functionality, poor adjustability, insufficient bearing capacity, stability, corrosion resistance, etc., and inability to meet the needs of modern complex construction environments, and to propose a medium-sized tower crane turntable.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a medium-sized tower crane turntable, including a turntable body, characterized in that: the turntable body includes a supporting boss, a turntable interface is provided at the center of the supporting boss, support plates are provided at the top and bottom of the supporting boss, the number of support plates is 2 and they are arranged correspondingly, fixing holes are provided at the edges around the support plates, a motor frame is provided on one side of the supporting boss, the motor frame is composed of a center side plate and a mounting plate, the mounting plate is a trapezoidal structure and is arranged correspondingly with the center side plate as the dividing line, this design enhances the symmetry and stability of the structure, the cooperation between the support plate and the supporting boss improves the bearing capacity, the fixing holes around make the entire turntable more stable during installation, reduces the safety hazards caused by instability, and improves the working efficiency of the tower crane.

[0006] Preferably, the mounting plate is provided with motor mounting holes, and the number of the motor mounting holes is 2 and they are arranged correspondingly. The two correspondingly arranged mounting holes can evenly distribute the force generated when the motor is running, reduce vibration and wear, and extend the service life of the motor and the turntable.

[0007] Preferably, the interior of the support boss is a hollow structure, a reinforcing rib frame is provided at the center of the outer wall of the support boss, a reinforcing plate is provided inside the support boss, the internal reinforcing plate and reinforcing rib frame greatly improve the bearing capacity and stability of the turntable, the number of the reinforcing plates is 11 to 13 and the material is stainless steel. The use of stainless steel enhances corrosion resistance and is suitable for various harsh working environments. A partition slot is provided in the center of the reinforcing plate. By setting the partition slot for installing matching partitions, users can reconfigure the space layout as needed, increase the complexity of the internal structure, and adapt to specific usage requirements.

[0008] Preferably, a square connecting plate is provided at the bottom of the supporting boss, and a swivel bearing mounting hole is provided on the square connecting plate. The square connecting plate increases the stability and strength of the connection. The design of the swivel bearing mounting hole enables the swivel bearing to be firmly installed, thereby providing smooth rotation operation, reducing swing and instability during operation, and improving the operational safety and efficiency of the tower crane.

[0009] Preferably, the centers of both sides of the central side plate are provided with weight-reducing holes. The design of the weight-reducing holes not only reduces the overall weight of the turntable, but also helps to dissipate heat from the central side plate and reduce material usage, thereby achieving cost savings. At the same time, the lightweight turntable is easier to control, thereby improving the working efficiency and operational flexibility of the tower crane.

[0010] Preferably, the center side plate and the mounting plate are made of lightweight high-strength alloy. Using lightweight high-strength alloy as the material not only ensures the strength and stability of the turntable, but also effectively reduces the weight of the turntable, making it easier to transport and install.

[0011] The utility model is beneficial in that:

[0012] The utility model significantly enhances the bearing capacity and stability of the turntable by supporting the support plates provided at the top and bottom of the supporting boss and designing the internal hollow structure with the reinforcement plate, which is suitable for complex and changeable construction environments; stainless steel is selected as the material of the reinforcement plate, which improves the corrosion resistance of the turntable in harsh environments, reduces maintenance costs, and prolongs its service life; the center side plates and the mounting plates are made of lightweight and high-strength alloy, which reduces the weight of the turntable while maintaining good structural strength for easy transportation and installation; the rotating bearing mounting holes and reduction holes are provided to improve the operational flexibility and safety of the turntable and ensure the efficiency and safety of the tower crane operation; partition slots are provided on the reinforcement plate for installing matching partitions, which is convenient for users to reconfigure the space layout according to their needs and increase the complexity of the internal structure to meet specific usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 For this utility model Figure 1 Enlarged view of I.

[0016] Figure 3 It is a schematic diagram of the bottom structure of the utility model.

[0017] Figure 4 This is a schematic structural diagram of the utility model from another viewing angle.

[0018] In the figure: 1. Turntable body; 2. Fixing holes; 3. Motor mounting holes; 4. Motor frame; 5. Mounting plate; 6. Center side plate; 7. Reduction holes; 8. Support plate; 9. Support boss; 10. Reinforcement plate; 11. Partition plate slot; 12. Square connecting plate; 13. Rotary bearing mounting hole; 14. Turntable interface; 15. Reinforcement rib frame; DETAILED DESCRIPTION

[0019] 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.

[0020] Example

[0021] See also Figure 1-4 As shown, a medium-sized tower crane turntable includes a turntable body 1, characterized in that: the turntable body 1 includes a supporting boss 9, a turntable interface 14 is provided at the center of the supporting boss 9, and support plates 8 are provided on the top and bottom of the supporting boss 9. The number of support plates 8 shown is 2 and they are arranged correspondingly. Fixing holes 2 are provided on the edges of the support plates 8 on all sides. A motor frame 4 is provided on one side of the supporting boss 9, and the motor frame 4 is fixed on the supporting boss 9 by welding. The motor frame 4 is composed of a central side plate 6 and a mounting plate 5. The mounting plate 5 is a trapezoidal structure and is arranged correspondingly with the central side plate 6 as the dividing line. This design enhances the symmetry and stability of the structure, the cooperation between the support plate 8 and the supporting boss 9 improves the bearing capacity, and the fixing holes 2 on all sides make the entire turntable more stable during installation, reduces the safety hazards caused by instability, and improves the working efficiency of the tower crane.

[0022] In this embodiment, the mounting plate 5 is provided with motor mounting holes 3, and the number of the motor mounting holes 3 is 2 and they are arranged correspondingly. The two correspondingly arranged mounting holes can evenly distribute the force generated when the motor is running, reduce vibration and wear, and extend the service life of the motor and the turntable.

[0023] In this embodiment, the interior of the support boss 9 is a hollow structure, and a reinforcing rib frame 15 is provided at the center of the outer wall of the support boss 9. A reinforcing plate 10 is provided inside the support boss 9. The reinforcing plate 10 and the reinforcing rib frame 15 are fixed by welding. The internal reinforcing plate 10 and the reinforcing rib frame 15 greatly improve the bearing capacity and stability of the turntable. The number of the reinforcing plates 10 is 11 to 13 and the material is stainless steel. The use of stainless steel enhances corrosion resistance and is suitable for various harsh working environments. A partition slot 11 is provided in the center of the reinforcing plate 10. The partition slot 11 is provided for installing matching partitions, which is convenient for users to reconfigure the space layout as needed, increase the complexity of the internal structure, and adapt to specific usage requirements.

[0024] In this embodiment, a square connecting plate 12 is provided at the bottom of the supporting boss 9, and a rotating bearing mounting hole 13 is provided on the square connecting plate 12. The square connecting plate 12 increases the stability and strength of the connection. The design of the rotating bearing mounting hole 13 enables the rotating bearing to be firmly installed, thereby providing smooth rotation operation, reducing swing and instability during operation, and improving the operational safety and efficiency of the tower crane.

[0025] In this embodiment, the center of both sides of the central side plate 6 is provided with a reduction hole 7. The design of the reduction hole 7 not only reduces the overall weight of the turntable, but also helps to dissipate heat and reduce material usage of the central side plate 6, thereby achieving cost savings. At the same time, the lightweight turntable is easier to control, thereby improving the working efficiency and operational flexibility of the tower crane.

[0026] In this embodiment, the center side plate 6 and the mounting plate 5 are both made of lightweight high-strength alloy. Using lightweight high-strength alloy as the material not only ensures the strength and stability of the turntable, but also effectively reduces the weight of the turntable, making it easier to transport and install.

[0027] The implementation principle of this embodiment is as follows: the support boss 9 of the medium-sized tower crane turntable is located at the bottom and top of the turntable body 1, and is respectively provided with support plates 8. These support plates 8 are firmly connected to the main part of the tower crane through the fixing holes 2 on the edges. The motor frame 4 is composed of a central side plate 6 and a mounting plate 5 of a trapezoidal structure. The mounting plate 5 is located on one side of the support boss 9, and is provided with a motor mounting hole 3 for fixing the motor. At the bottom of the support boss 9, a square connecting plate 12 is provided, and a rotating bearing mounting hole 13 is provided on the plate. The rotating bearing is installed here and is connected to the boom of the tower crane. When the motor is working, it drives the rotating bearing so that the boom of the tower crane can rotate smoothly to different positions; a partition slot 11 is provided in the center of the reinforcing plate 10, and the partition slot 11 is used to install matching partitions, so that users can reconfigure the spatial layout according to their needs and increase the complexity of the internal structure to meet specific usage requirements.

[0028] 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 utility model. 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.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A medium-sized tower crane turntable, comprising a turntable body (1), characterized in that: The turntable body (1) comprises a supporting boss (9), a turntable interface (14) is provided at the center of the supporting boss (9), support plates (8) are provided at the top and bottom of the supporting boss (9), two support plates (8) are provided and are arranged correspondingly, fixing holes (2) are provided at the edges of the supporting plates (8), a motor frame (4) is provided on one side of the supporting boss (9), the motor frame (4) is composed of a central side plate (6) and a mounting plate (5), the mounting plate (5) is a trapezoidal structure and is arranged correspondingly with the central side plate (6) as a dividing line.

2. A medium-sized tower crane turntable according to claim 1, characterized in that: The mounting plate (5) is provided with motor mounting holes (3), and the number of the motor mounting holes (3) is 2 and they are arranged correspondingly.

3. The medium-sized tower crane turntable according to claim 1, characterized in that: The interior of the support boss (9) is a hollow structure, a reinforcing rib frame (15) is provided at the center of the outer wall of the support boss (9), a reinforcing plate (10) is provided inside the support boss (9), the number of the reinforcing plates (10) is 11 to 13 and the material is stainless steel, and a partition slot (11) is provided at the center of the reinforcing plate (10).

4. A medium-sized tower crane turntable according to claim 1, characterized in that: A square connecting plate (12) is provided at the bottom of the supporting boss (9), and a rotating bearing mounting hole (13) is provided on the square connecting plate (12).

5. The medium-sized tower crane turntable according to claim 1 is characterized in that: The centers of both sides of the central side plate (6) are provided with reduction holes (7).

6. A medium-sized tower crane turntable according to claim 1, characterized in that: The central side plate (6) and the mounting plate (5) are both made of lightweight high-strength alloy.

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