Safety protection device of tower crane

Abstract

The utility model discloses a safety protection device of a tower crane, which comprises a bin body bottom plate and an operation bin, handrails are fixedly connected with the bin body bottom plate on two sides of the operation bin, a support plate is fixedly connected with one side of the upper end of the bin body bottom plate, stop levers are uniformly connected with the upper end of the support plate in a threaded manner, and auxiliary rods are inserted into two sides of the support plate. A connecting plate is fixedly connected to one end of the auxiliary rod, a driving motor is fixedly connected to the center of one end of the connecting plate, the output end of the driving motor is fixedly connected with a screw, a moving plate is in threaded connection with the screw, the auxiliary rod is movably inserted into a storage plate, a restraining groove is formed in the upper end of the storage plate, and the storage plate is located in the restraining groove and rotationally connected with a bearing plate through a rotating shaft. The safe place which can be moved to be close to the operation bin and is provided with the handrail is installed on the bin body bottom plate, and the detachable stop lever is installed on the supporting plate, so that an operator can conveniently take materials, and safety protection for the operator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a safety protective device for a tower crane. Background Art

[0002] Tower crane, also known as tower crane or tower crane, is a rotating crane with a movable arm loading the upper part of the towering tower. It is mainly used for vertical and horizontal conveyor of materials and installation of building components in house construction. Since the cockpit of the tower crane is at a higher position during operation, at this stage, in order to facilitate the life of the driver, a delivery platform will be installed on one side of the cockpit and used in conjunction with a drone.

[0003] According to the "A tower crane protection device" with Chinese patent publication number CN214087437U, it mainly describes that when passing through, through the arranged base, support shell, slide groove, servo motor, ear plate, fixing bolt, first rotating shaft, limit roller, slide rod, support plate, support roller, support frame, first anti-fall net, support rod, guardrail, operating cabin, second anti-fall net, second rotating shaft, connecting plate, threaded rod, and mounting hole, the device is arranged on one side of the tower body, located below the operating cabin, the arranged delivery platform is composed of multiple second anti-fall nets and first anti-fall nets, and the delivery platform is fixed at the upper ends of multiple support plates, and the support plate is extended from the support shell driven by the servo motor to increase the distance between the delivery platform and the tower body, which is convenient for the delivery of the drone. After the delivery is completed, the delivery platform is recovered under the drive of the servo motor, which is convenient for the driver to put the materials in the guardrail. During this process, the staff needs to stand on the side of the base without the guardrail to pick up the materials. In bad weather conditions, the staff will be in certain danger.

[0004] Therefore, a safety protection device for a tower crane is proposed to solve the problem that during the process, workers need to stand on the side of the base without a guardrail to pick up materials, which may be dangerous for the workers in bad weather. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the workers need to stand on the side of the base without guardrails to take materials. In bad weather, the workers may face certain dangers. Therefore, a safety protection device for a tower crane is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a safety protection device for a tower crane, including a warehouse bottom plate and an operating warehouse, the warehouse bottom plate is fixedly connected with handrails on both sides of the operating warehouse, one side of the upper end of the warehouse bottom plate is fixedly connected with a support plate, the upper end of the support plate is evenly threaded with a baffle rod, auxiliary rods are inserted on both sides of the support plate, one end of the auxiliary rod is fixedly connected with a connecting plate, the center of one end of the connecting plate is fixedly connected with a driving motor and the output end of the driving motor is fixedly connected with a screw, a movable plate is threadedly connected to the screw, and the auxiliary rod is movably inserted into the movable plate.

[0007] As a preferred technical solution of the utility model, a constraint groove is opened on the upper end of the movable plate, and the movable plate is located in the constraint groove and is rotatably connected to a receiving plate via a rotating shaft. By providing a rotatable receiving plate, the material can be tilted.

[0008] As a preferred technical solution of the utility model, a torsion spring is sleeved on the rotating shaft, and the two ends of the torsion spring are respectively fixedly connected to the movable plate and the receiving plate. By arranging the torsion spring, the receiving plate remains stable when no force is applied.

[0009] As a preferred technical solution of the utility model, both sides of the bottom end of the movable plate and both sides of the upper end of the warehouse bottom plate are fixedly connected with connecting frames, and pulleys are rotatably connected inside the connecting frames. By setting the connecting frames and pulleys, limiting can be provided and the friction of the movable plate can be reduced.

[0010] As a preferred technical solution of the utility model, brackets are fixedly connected to both sides of the upper end of the handrail, and a safety frame is fixedly connected to the upper end of the bracket. By setting up the safety frame, the safety of the driver can be ensured by the staff installing a safety rope.

[0011] The utility model has the following advantages: by installing a device on the bottom plate of the warehouse body that can be moved to a safe location close to the operating warehouse and with handrails, and installing a detachable blocking rod on the support plate, it is convenient for the operator to take supplies and the safety protection for the operator is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of a safety protection device for a tower crane in a preferred embodiment of the utility model;

[0013] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of a moving plate of a safety protection device of a tower crane in a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of position A of a safety protection device for a tower crane in a preferred embodiment of the utility model.

[0015] Explanation of the accompanying reference numerals: 1. warehouse bottom plate; 2. operating compartment; 3. handrail; 4. support plate; 5. auxiliary rod; 6. connecting plate; 7. screw rod; 8. movable plate; 9. constraint groove; 10. connecting frame; 11. pulley; 12. stop rod; 13. bracket; 14. safety frame; 15. rotating shaft; 16. receiving plate. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3 The safety protection device of a tower crane shown in the figure comprises a warehouse bottom plate 1 and an operating warehouse 2, the warehouse bottom plate 1 is fixedly connected with handrails 3 on both sides of the operating warehouse 2, a support plate 4 is fixedly connected to one side of the upper end of the warehouse bottom plate 1, a blocking rod 12 is evenly threadedly connected to the upper end of the support plate 4, auxiliary rods 5 are inserted on both sides of the support plate 4, one end of the auxiliary rod 5 is fixedly connected with a connecting plate 6, a driving motor is fixedly connected at the center of one end of the connecting plate 6 and a screw 7 is fixedly connected to the output end of the driving motor, a moving plate 8 is threadedly connected to the screw 7, the auxiliary rod 5 is movably inserted with the moving plate 8, and the moving plate 8 is driven by the rotation of the driving motor to move to the side of the warehouse bottom plate 1 with the handrail 3, and the staff does not need to stand or squat on the edge of the warehouse bottom plate 1, thereby greatly improving the safety of the operator when the wind speed is large.

[0018] The receiving plate 16 is rotatably connected to the restraining groove 9 of the movable plate 8 via the rotating shaft 15. The restraining groove 9 is located at the upper end of the movable plate 8. By providing the rotatable receiving plate 16, the material placed on the receiving plate 16 can be inclined and guided.

[0019] The receiving plate 16 and the movable plate 8 are respectively fixedly connected to the two ends of the torsion spring, and the torsion spring is sleeved on the rotating shaft 15. The torsion spring is provided so that the receiving plate 16 can be placed tilted.

[0020] Among them, the pulley 11 is rotatably connected in the connecting frame 10, and the connecting frame 10 is respectively fixedly connected to the two sides of the bottom end of the movable plate 8 and the two sides of the upper end of the warehouse bottom plate 1. By setting the pulley 11 and the connecting frame 10, the moving distance of the movable plate 8 can be limited while reducing the moving friction of the movable plate 8.

[0021] Among them, the safety frame 14 is fixedly connected to the upper end of the bracket 13, and the bracket 13 is fixedly connected to both sides of the upper end of the handrail 3. By setting the safety frame 14, the safety rope can be used to ensure the safety of the operator when moving to the bottom plate 1 of the warehouse body.

[0022] Working principle: Under normal circumstances, the movable plate 8 moves to the outside of the warehouse bottom plate 1, and the driving motor is started to rotate the screw 7, and the movable plate 8 is retracted to the warehouse bottom plate 1, and the movable plate 8 is close to the support plate 4. At this time, the operator stands on the warehouse bottom plate 1 and is located between the operating compartment 2 and the barrier rod 12. The barrier rod 12 cooperates with the handrail 3 to ensure the safety of the operator. At the same time, when the operator stands on the warehouse bottom plate 1, the safety rope and the safety frame 14 cooperate to further improve the safety of the operator. At this time, the safety of the staff taking materials can be greatly guaranteed.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A safety protection device for a tower crane, comprising a warehouse bottom plate (1) and an operating compartment (2), wherein the warehouse bottom plate (1) is located on both sides of the operating compartment (2) and is fixedly connected with handrails (3), characterized in that: A support plate (4) is fixedly connected to one side of the upper end of the warehouse bottom plate (1), a blocking rod (12) is evenly threadedly connected to the upper end of the support plate (4), auxiliary rods (5) are inserted on both sides of the support plate (4), one end of the auxiliary rod (5) is fixedly connected to a connecting plate (6), a driving motor is fixedly connected to the center of one end of the connecting plate (6), and a screw rod (7) is fixedly connected to the output end of the driving motor, a movable plate (8) is threadedly connected to the screw rod (7), and the auxiliary rod (5) is movably inserted into the movable plate (8).

2. A safety protection device for a tower crane according to claim 1, characterized in that: A restraining groove (9) is provided at the upper end of the movable plate (8), and the movable plate (8) is located in the restraining groove (9) and is rotatably connected to a receiving plate (16) via a rotating shaft (15).

3. A safety protection device for a tower crane as claimed in claim 2, characterized in that: A torsion spring is sleeved on the rotating shaft (15), and two ends of the torsion spring are respectively fixedly connected to the moving plate (8) and the receiving plate (16).

4. A safety protection device for a tower crane as claimed in claim 3, characterized in that: Both sides of the bottom end of the movable plate (8) and both sides of the top end of the warehouse body bottom plate (1) are fixedly connected with a connection frame (10), and a pulley (11) is rotatably connected inside the connection frame (10).

5. A safety protection device for a tower crane as claimed in claim 1, characterized in that: Brackets (13) are fixedly connected to both sides of the upper end of the handrail (3), and a safety frame (14) is fixedly connected to the upper end of the bracket (13).

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