Novel safety protection platform for rotation of tower crane

Abstract

The utility model provides a novel tower crane rotation safety protection platform which comprises a protection platform body, the protection platform body comprises a fixed seat, the top of the fixed seat is movably provided with a movable seat, the bottom of the movable seat is welded with a movable cylinder, the fixed seat is welded with a fixed cylinder, and the fixed cylinder is connected with the movable seat. One end of the fixed cylinder is movably connected with one end of the movable cylinder, a motor base is welded to the inner wall of the fixed base, a power mechanism is fixedly installed on the motor base, a speed reduction assembly is fixed to the bottom of the motor base, and an output shaft is rotatably installed in the speed reduction assembly. According to the novel tower crane rotation safety protection platform, when the novel tower crane rotation safety protection platform is used, the supporting frame provides limiting supporting force for the ring base through the fixing plate, the ring base provides reinforcing limiting for the ring base, and therefore the stability of tower crane equipment in the connecting process is guaranteed, the ring base rotates between the limiting wheels, and the limiting wheels conduct horizontal limiting while providing vertical limiting for the ring base; the annular seat and the movable seat are prevented from shaking, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the field of tower crane slewing equipment, in particular to a novel tower crane slewing safety protection platform. Background Art

[0002] The slewing platform is the most important component of a tower crane. It mainly provides steering after the tower crane lifts objects and realizes the transfer of objects. The existing slewing platform of a tower crane has a balancing arm that is easily affected by gusts of wind during rotation, and the connecting parts at the rotating joints are subjected to uneven force in the circumferential direction of rotation, which easily causes varying degrees of wear on the parts.

[0003] According to the patent document with the existing publication number CN116573553A, a tower crane slewing platform anti-side device and a tower crane slewing platform are disclosed, which include a lower support; an upper support, the upper support is connected to the lower support, and a driving device is fixedly installed on the upper support and is transmission-connected to the lower support for driving the upper support and the lower support to rotate relative to each other; and a support assembly, the support assembly is connected between the lower support and the upper support, and is arranged on the outer sides of the lower support and the upper support, and is used to provide a supporting force between the lower support and the upper support. When in use, this technical solution provides a supporting force between the upper support and the lower support by arranging a supporting assembly between the two, thereby reducing the wear of the components at the connection between the two, thereby improving the stability of the tower crane slewing platform. With respect to the above technical solution, although this solution reduces the wear of the components, it is impossible to reinforce and limit the platforms during use, which is inconvenient during use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model aims to provide a new tower crane slewing safety protection platform to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. When in use, the support frame provides a limiting support force for the ring seat through the fixed plate, and the ring seat provides a reinforced limit for the ring seat, thereby ensuring the stability of the tower crane equipment when connected. The ring seat rotates between the limiting wheels, and the limiting wheels provide upper and lower limits for the ring seat while performing horizontal limits to avoid shaking of the ring seat and the movable seat.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a new type of tower crane slewing safety protection platform, including a protection platform body, the protection platform body includes a fixed seat, a movable seat is movably installed on the top of the fixed seat, a movable cylinder is welded to the bottom of the movable seat, a fixed cylinder is welded on the fixed seat, one end of the fixed cylinder and the movable cylinder are movably connected, a motor seat is welded on the inner wall of the fixed seat, a power mechanism is fixedly installed on the motor seat, a reduction assembly is fixed on the bottom of the motor seat, and an output shaft is rotatably installed inside the reduction assembly.

[0006] Furthermore, a connecting plate is welded to the side of the movable seat, a ring seat is welded to the connecting plate, and a supporting frame is welded to the side of the fixed seat.

[0007] Furthermore, a fixing plate is welded on the support frame, the fixing plate is installed on the top and bottom of the ring seat, and an oil filling hole is opened on the fixing plate.

[0008] Furthermore, a cavity is opened inside the fixing plate, a limiting wheel is installed inside the cavity, and the limiting wheel cooperates with the ring seat.

[0009] Furthermore, a gear ring and a limit seat are respectively welded on the inner wall of the fixed cylinder, a limit ring is fixed on the inner wall of the movable cylinder, and a bearing seat is installed between the limit ring and the limit seat.

[0010] Furthermore, a gear is fixed to one end of the output shaft, and the gear matches the gear ring.

[0011] The beneficial effects of the utility model are as follows: the utility model provides a new tower crane slewing safety protection platform, comprising a fixed seat; a support frame; a fixed plate; an oil filling hole; a movable seat; a connecting plate; a ring seat; a motor seat; a power mechanism; a fixed cylinder; a movable cylinder; a limit seat; a limit ring; a bearing seat; a reduction assembly; an output shaft; a gear; a gear ring; a cavity; and a limit wheel.

[0012] 1. This is a new type of tower crane slewing safety protection platform. When in use, the support frame provides limiting support force for the ring seat through the fixed plate, and the ring seat provides reinforcement limit for the ring seat, thereby ensuring the stability of the tower crane equipment when connected. The ring seat rotates between the limiting wheels, and the limiting wheels provide upper and lower limits for the ring seat while performing horizontal limits to avoid shaking of the ring seat and the movable seat, thereby increasing safety.

[0013] 2. This is a new type of tower crane slewing safety protection platform. In the later stage, butter is injected into the limit wheel through the oil filling hole, and the butter is spread on the ring seat through the rotation of the limit wheel to avoid large friction between the ring seat and the limit wheel.

[0014] 3. A new type of tower crane slewing safety protection platform, the gears and gear rings are fixedly installed inside the fixed cylinder and the movable cylinder to avoid the influence caused by long-term contact between the gear ring and the gear with external dust. The inside of the fixed cylinder and the movable cylinder can reduce the dust accumulation inside the lubricating oil between the gear and the gear ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a new type of tower crane slewing safety protection platform of the utility model;

[0016] Figure 2This is a structural schematic diagram of the cross-section of the fixed cylinder and the movable cylinder of a new tower crane rotary safety protection platform of the utility model;

[0017] Figure 3 This is a side structural schematic diagram of a fixing plate of a new tower crane slewing safety protection platform of the utility model;

[0018] Figure 4 This is a schematic diagram of the partial structure of the limiting wheel and the ring seat of a new tower crane slewing safety protection platform of the utility model from a top view;

[0019] In the figure: 1. fixed seat; 2. support frame; 3. fixed plate; 4. oil filling hole; 5. movable seat; 6. connecting plate; 7. ring seat; 8. motor seat; 9. power mechanism; 10. fixed cylinder; 11. movable cylinder; 12. limit seat; 13. limit ring; 14. bearing seat; 15. reduction assembly; 16. output shaft; 17. gear; 18. gear ring; 19. cavity; 20. limit wheel. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a new type of tower crane slewing safety protection platform, including a protection platform body, the protection platform body includes a fixed seat 1, a movable seat 5 is movably installed on the top of the fixed seat 1, a movable cylinder 11 is welded at the bottom of the movable seat 5, a fixed cylinder 10 is welded on the fixed seat 1, and one end of the fixed cylinder 10 and the movable cylinder 11 are movably connected, a motor seat 8 is welded on the inner wall of the fixed seat 1, a power mechanism 9 is fixedly installed on the motor seat 8, a reduction assembly 15 is fixed at the bottom of the motor seat 8, an output shaft 16 is rotatably installed inside the reduction assembly 15, a connecting plate 6 is welded on the side of the movable seat 5, a ring seat 7 is welded on the connecting plate 6, a support frame 2 is welded on the side of the fixed seat 1, the power mechanism 9 is a DC motor, the DC motor provides the required power for the rotation of the equipment, the reduction assembly 15 reduces the speed generated by the DC motor, and after deceleration, the gear 17 on the output shaft 16 drives the rotation of the gear ring 18, so that the platform completes the overall rotation of the tower crane.

[0022] In this embodiment, a fixing plate 3 is welded on the support frame 2, and the fixing plate 3 is installed on the top and bottom of the ring seat 7. An oil filling hole 4 is opened on the fixing plate 3, and a cavity 19 is opened inside the fixing plate 3. A limiting wheel 20 is installed inside the cavity 19, and the limiting wheel 20 cooperates with the ring seat 7. A gear ring 18 and a limiting seat 12 are respectively welded on the inner wall of the fixed cylinder 10, and a limiting ring 13 is fixed on the inner wall of the movable cylinder 11. A bearing seat 14 is installed between the limiting ring 13 and the limiting seat 12. A gear 17 is fixed at one end of the output shaft 16, and the gear 17 cooperates with the gear ring 18. The gear ring 18 and the gear 17 rotate inside the fixed cylinder 10. The rotation can effectively avoid the pollution caused by the direct contact of external dust with the lubricating oil between the gear 17 and the gear ring 18, thereby increasing the service life of the lubricating oil.

[0023] When the device is in use, the fixed seat 1 and the movable seat 5 are fixed to the top and bottom of the tower crane respectively. The device is a slewing platform, which provides a rotation point for the tower crane. When in use, the power mechanism 9 is started to drive the output shaft 16 inside the reduction assembly 15 to rotate, the output shaft 16 drives the gear 17 to rotate, the gear 17 drives the gear ring 18 to rotate, the gear ring 18 and the gear 17 rotate inside the fixed cylinder 10, and the rotation can effectively avoid the pollution caused by the direct contact of external dust with the lubricating oil between the gear 17 and the gear ring 18, thereby increasing the service life of the lubricating oil, so that the fixed cylinder 10 and the movable cylinder 11 rotate, and the limit seat 12 and the limit ring 13 between the fixed cylinder 10 and the movable cylinder 11 are connected through the bearing seat 1 4 rotates, the bearing seat 14 plays a supporting role between the movable cylinder 11 and the fixed cylinder 10, so that the movable seat 5 rotates, and the fixed seat 1 does not move. When the movable seat 5 rotates, the ring seat 7 rotates between the fixed plates 3, and the limiting wheel 20 inside the fixed plate 3 provides up and down supporting force for the ring seat 7, and at the same time provides horizontal limiting force for the ring seat 7 to avoid shaking when the movable seat 5 and the ring seat 7 rotate. The support frame 2 and the fixed plate 3 cooperate to increase the fixed supporting points between the movable seat 5 and the ring seat 7, thereby improving the safety of the tower crane during rotation. Later, butter is injected into the limiting wheel 20 through the oil filling hole 4, and the butter is smeared on the ring seat 7 through the rotation of the limiting wheel 20 to avoid a large friction between the ring seat 7 and the limiting wheel 20.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new type of tower crane slewing safety protection platform, including a protection platform body, characterized in that: The protective platform body comprises a fixed seat (1), a movable seat (5) is movably mounted on the top of the fixed seat (1), a movable cylinder (11) is welded to the bottom of the movable seat (5), a fixed cylinder (10) is welded to the fixed seat (1), one end of the fixed cylinder (10) and the movable cylinder (11) are movably connected, a motor seat (8) is welded to the inner wall of the fixed seat (1), a power mechanism (9) is fixedly mounted on the motor seat (8), a reduction assembly (15) is fixed to the bottom of the motor seat (8), and an output shaft (16) is rotatably mounted inside the reduction assembly (15).

2. A novel tower crane slewing safety protection platform according to claim 1, characterized in that: A connecting plate (6) is welded to the side of the movable seat (5), a ring seat (7) is welded to the connecting plate (6), and a supporting frame (2) is welded to the side of the fixed seat (1).

3. A novel tower crane slewing safety protection platform according to claim 2, characterized in that: A fixing plate (3) is welded on the support frame (2), the fixing plate (3) is installed on the top and bottom of the ring seat (7), and an oil injection hole (4) is opened on the fixing plate (3).

4. A novel tower crane slewing safety protection platform according to claim 3, characterized in that: A cavity (19) is formed inside the fixing plate (3), a limiting wheel (20) is installed inside the cavity (19), and the limiting wheel (20) cooperates with the ring seat (7).

5. The novel tower crane slewing safety protection platform according to claim 1 is characterized in that: A gear ring (18) and a limit seat (12) are respectively welded on the inner wall of the fixed cylinder (10), a limit ring (13) is fixed on the inner wall of the movable cylinder (11), and a bearing seat (14) is installed between the limit ring (13) and the limit seat (12).

6. The novel tower crane slewing safety protection platform according to claim 1 is characterized by: A gear (17) is fixed to one end of the output shaft (16), and the gear (17) matches with a gear ring (18).

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