Auxiliary climbing equipment for building tower crane

Abstract

The utility model relates to the technical field of building tower cranes, and discloses an auxiliary climbing device for a building tower crane, which comprises a tower crane frame, a ladder stand is fixedly connected in the tower crane frame, a lifting assembly capable of moving up and down is arranged on the surface of the ladder stand, a support plate is fixedly connected to the top end of the tower crane frame, and the support plate is fixedly connected with a support rod. The upper surface of the supporting plate is fixedly connected with a protective cover, and the inner wall of the protective cover is rotationally connected with a winding disc. According to the utility model, the auxiliary lifting platform capable of moving up and down is arranged on the surface of the ladder stand of the tower crane frame, so that a worker can sit on the surface of the auxiliary lifting platform when climbing the tower crane, and then the winding disc is driven to rotate by utilizing the winding motor to wind the steel wire lifting rope, so that the worker is driven to ascend and move on the surface of the ladder stand; according to the tower crane, the auxiliary lifting table is arranged, the effect of assisting workers in climbing the tower crane is achieved, certain physical strength is saved for the workers, the crawling ladder is used for limiting and guiding the auxiliary lifting table, stability is high, and the shaking situation cannot occur.

Description

Technical Field

[0001] The utility model relates to the technical field of building tower cranes, and more specifically to auxiliary climbing equipment for building tower cranes. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane". It is connected section by section and used to lift construction materials such as steel bars, wooden planks, concrete, steel pipes, etc. Tower crane is an indispensable mechanical equipment on construction sites.

[0003] Before the tower crane operator can operate the tower crane, he needs to reach the top of the tower crane by climbing a ladder. There is no protection during the climbing process, and the operator has to rely on himself to climb. Since the wind is strong at the height of the tower crane, there is a certain degree of danger in the climbing process, which will also consume some of the tower crane operator's physical strength, thereby reducing work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an auxiliary climbing device for a construction tower crane, which has the advantages of assisting workers in climbing the tower crane and having high stability and safety, so as to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an auxiliary climbing device for a building tower crane, comprising a tower crane, a ladder is fixedly connected to the inside of the tower crane, a lifting assembly that can move up and down is arranged on the surface of the ladder, a support plate is fixedly connected to the top of the tower crane, a protective cover is fixedly connected to the upper surface of the support plate, a winding disk is rotatably connected to the inner wall of the protective cover, a steel wire rope is wound around the surface of the winding disk, a guide pulley is rotatably connected to the surface of the support plate, the steel wire rope is slidably connected to the surface of the guide pulley, and the guide pulley can be used to guide and limit the steel wire rope, so that the steel wire rope can move more smoothly in the process of moving up and down;

[0006] The lifting assembly includes an auxiliary lifting platform, the inner surface of the auxiliary lifting platform is fixedly connected to two corresponding limiting guide wheels, the left and right sides of the ladder are fixedly connected to strip positioning plates, the limiting guide wheels are slidably connected to the back of the strip positioning plates, and by providing the limiting guide wheels, the auxiliary lifting platform can be guided and limited by the limiting guide wheels during the movement of the auxiliary lifting platform on the ladder surface, thereby improving the stability of the auxiliary lifting platform during movement;

[0007] A cushion plate is fixedly connected to the surface of the auxiliary lifting platform, and a climbing opening is opened on the surface of the auxiliary lifting platform. The position of the climbing opening corresponds to the ladder, and the ladder is located inside the climbing opening. When the staff climbs the tower crane, they can sit on the surface of the auxiliary lifting platform, and then use the winch motor to drive the winding drum to rotate, and then reel in the wire rope. At the same time, the wire rope drives the auxiliary lifting platform to move upward, thereby driving the staff to move upward on the ladder surface, playing a role in assisting the staff to climb the tower crane.

[0008] Furthermore, two mutually symmetrical trapezoidal reinforcement rods are fixedly connected to the upper surface of the auxiliary lifting platform, and a fixed cross bar is fixedly connected between the two trapezoidal reinforcement rods.

[0009] Furthermore, a linkage receiving seat is fixedly connected to the surface of the fixed cross bar, and one end of the steel wire rope away from the winding drum is fixedly connected to the surface of the linkage receiving seat.

[0010] Furthermore, two limit assemblies are fixedly provided on the inner surface of the auxiliary lifting platform, and the limit assemblies include a positioning box, the inner wall of the positioning box is rotatably connected to a movable screw rod, and the surface of the movable screw rod is threadedly connected to a limit block.

[0011] Furthermore, a rectangular limiting hole is opened on the surface of the positioning box, the limiting block is slidably connected to the inner wall of the rectangular limiting hole, and an adjusting nut is fixedly connected to one end of the movable screw rod away from the limiting block.

[0012] Furthermore, a plurality of limiting holes are provided on the surface of the strip positioning plate, and the plurality of limiting holes are evenly and vertically distributed on the surface of the strip positioning plate, and the positions of the limiting holes correspond to the limiting blocks, and the size of the limiting blocks matches the limiting holes.

[0013] Furthermore, a hoisting motor is fixedly connected to the outer side of the protective cover, and an output shaft of the hoisting motor extends to the inside of the protective cover and is fixedly connected to one end of the winding drum.

[0014] Furthermore, strip-shaped rope-threading holes are provided on the surface of the protective cover, and the positions of the strip-shaped rope-threading holes correspond to the steel wire suspension ropes.

[0015] Technical effects and advantages of the utility model:

[0016] 1. The utility model provides an auxiliary lifting platform which can move up and down on the ladder surface of the tower crane. When the staff climbs the tower crane, they can sit on the surface of the auxiliary lifting platform, and then use the winch motor to drive the winding disk to rotate, and then reel in the wire rope. At the same time, the wire rope drives the auxiliary lifting platform to move upward, thereby driving the staff to move upward on the ladder surface, playing a role in assisting the staff to climb the tower crane, saving a certain amount of physical strength for the staff, and using the ladder to limit and guide the auxiliary lifting platform, so the stability is high and there will be no shaking.

[0017] 2. The utility model provides a positioning component on the surface of the auxiliary lifting platform. When the staff needs to stay at a specified height position of the tower crane for inspection and maintenance work, the limit card block in the positioning box on the surface of the auxiliary lifting platform can be inserted into the limit plug hole of the strip positioning plate on the ladder surface, so that the auxiliary lifting platform can be limited by the limit card block, so that the auxiliary lifting platform can maintain a more stable state on the ladder surface, thereby facilitating the staff to carry out inspection and maintenance work on the tower crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a side view structural diagram of the lifting assembly of the utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the lifting assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the side section structure of the positioning box of the utility model;

[0022] Figure 5 This is a schematic diagram of a partial top view of the auxiliary lifting platform of the utility model;

[0023] Figure 6 It is a schematic diagram of the top-sectional structure of the protective cover of the utility model.

[0024] The accompanying drawings are marked as follows: 1. tower crane; 2. ladder; 3. support plate; 4. protective cover; 5. reel; 6. wire rope; 7. auxiliary lifting platform; 8. limit guide wheel; 9. strip positioning plate; 10. cushion plate; 11. climbing mouth; 12. trapezoidal reinforcement rod; 13. fixed cross bar; 14. linkage receiving seat; 15. positioning box; 16. movable screw rod; 17. limit block; 18. adjusting nut; 19. limit socket; 20. winch motor; 21. strip rope threading hole; 22. guide pulley. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The auxiliary climbing device for a building tower crane involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0026] Reference Figure 1-6 The utility model provides an auxiliary climbing device for a building tower crane, comprising a tower crane frame 1, a ladder 2 is fixedly connected to the interior of the tower crane frame 1, and a lifting component which can move up and down is arranged on the surface of the ladder 2.

[0027] The top of the tower crane 1 is fixedly connected to a support plate 3, the upper surface of the support plate 3 is fixedly connected to a protective cover 4, the inner wall of the protective cover 4 is rotatably connected to a winding drum 5, the outer side of the protective cover 4 is fixedly connected to a hoisting motor 20, the output shaft of the hoisting motor 20 extends to the interior of the protective cover 4 and is fixedly connected to one end of the winding drum 5, and the surface of the protective cover 4 is provided with strip-shaped rope threading holes 21, and the position of the strip-shaped rope threading holes 21 corresponds to the wire rope 6.

[0028] A wire rope 6 is wound around the surface of the winding drum 5; a guide pulley 22 is rotatably connected to the surface of the support plate 3, and the wire rope 6 is slidably connected to the surface of the guide pulley 22. The guide pulley 22 can guide and limit the wire rope 6, so that the wire rope 6 can move more smoothly when moving up and down.

[0029] The lifting assembly includes an auxiliary lifting platform 7, and the inner surface of the auxiliary lifting platform 7 is fixedly connected with two corresponding limiting guide wheels 8. The left and right sides of the ladder 2 are fixedly connected with strip positioning plates 9. The limiting guide wheels 8 are slidably connected to the back of the strip positioning plates 9. By setting the limiting guide wheels 8, the limiting guide wheels 8 can be used to guide and limit the auxiliary lifting platform 7 during the movement of the auxiliary lifting platform 7 on the surface of the ladder 2, thereby improving the stability of the auxiliary lifting platform 7 during movement.

[0030] Two limit assemblies are fixedly arranged on the inner surface of the auxiliary lifting platform 7, and the limit assemblies include a positioning box 15, the inner wall of the positioning box 15 is rotatably connected with a movable screw rod 16, the surface of the movable screw rod 16 is threadedly connected with a limit block 17, a rectangular limit hole is opened on the surface of the positioning box 15, the limit block 17 is slidably connected to the inner wall of the rectangular limit hole, and the end of the movable screw rod 16 away from the limit block 17 is fixedly connected with an adjusting nut 18.

[0031] A plurality of limit holes 19 are provided on the surface of the strip positioning plate 9 , and the plurality of limit holes 19 are evenly and vertically distributed on the surface of the strip positioning plate 9 . The positions of the limit holes 19 correspond to the limit blocks 17 , and the size of the limit blocks 17 matches the limit holes 19 .

[0032] It is worth mentioning that by arranging a positioning component on the surface of the auxiliary lifting platform 7, when the staff needs to stay at the specified height position of the tower crane 1 for inspection and maintenance work, the movable screw 16 can be driven to rotate by rotating the adjusting nut 18, and the movable screw 16 drives the limit block 17 to move to the outside of the positioning box 15, and then the limit block 17 is inserted into the limit socket 19 of the strip positioning plate 9 on the surface of the ladder 2, and the auxiliary lifting platform 7 is limited by the limit block 17, so that the auxiliary lifting platform 7 can maintain a more stable state on the surface of the ladder 2, thereby facilitating the staff to perform inspection and maintenance work on the tower crane 1.

[0033] A cushion plate 10 is fixedly connected to the surface of the auxiliary lifting platform 7, and a climbing opening 11 is opened on the surface of the auxiliary lifting platform 7. The position of the climbing opening 11 corresponds to the ladder 2, and the ladder 2 is located inside the climbing opening 11. Two symmetrical trapezoidal reinforcement rods 12 are fixedly connected to the upper surface of the auxiliary lifting platform 7, a fixed cross bar 13 is fixedly connected between the two trapezoidal reinforcement rods 12, and a linkage receiving seat 14 is fixedly connected to the surface of the fixed cross bar 13, and the end of the wire rope 6 away from the winding drum 5 is fixedly connected to the surface of the linkage receiving seat 14.

[0034] It is worth mentioning that, by arranging an auxiliary lifting platform 7 that can move up and down on the surface of the ladder 2 of the tower crane 1, when the staff climbs the tower crane, they can sit on the surface of the auxiliary lifting platform 7, and then use the winch motor 20 to drive the winding drum 5 to rotate, use the winding drum 5 to reel in the wire rope 6, and at the same time use the wire rope 6 to drive the auxiliary lifting platform 7 to move upward, thereby driving the staff to move upward on the surface of the ladder 2, playing a role in assisting the staff to climb the tower crane, saving a certain amount of physical strength for the staff, and the ladder 2 can limit the auxiliary lifting platform 7, so that the auxiliary lifting platform 7 has good stability during the ascent and will not shake.

[0035] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An auxiliary climbing device for a building tower crane, comprising a tower crane frame (1), characterized in that: The tower crane (1) is fixedly connected to a ladder (2) inside, and a lifting assembly that can move up and down is arranged on the surface of the ladder (2); the top of the tower crane (1) is fixedly connected to a support plate (3), and the upper surface of the support plate (3) is fixedly connected to a protective cover (4); the inner wall of the protective cover (4) is rotatably connected to a winding drum (5), and a steel wire rope (6) is wound around the surface of the winding drum (5); the surface of the support plate (3) is rotatably connected to a guide pulley (22), and the steel wire rope (6) is slidably connected to the surface of the guide pulley (22); The lifting assembly comprises an auxiliary lifting platform (7), the inner surface of the auxiliary lifting platform (7) is fixedly connected with two corresponding limiting guide wheels (8), the left and right sides of the ladder (2) are fixedly connected with strip positioning plates (9), and the limiting guide wheels (8) are slidably connected to the back of the strip positioning plates (9); A cushion plate (10) is fixedly connected to the surface of the auxiliary lifting platform (7), and a climbing opening (11) is provided on the surface of the auxiliary lifting platform (7). The position of the climbing opening (11) corresponds to the ladder (2), and the ladder (2) is located inside the climbing opening (11).

2. The auxiliary climbing device for a building tower crane according to claim 1, characterized in that: The upper surface of the auxiliary lifting platform (7) is fixedly connected to two mutually symmetrically positioned trapezoidal reinforcement rods (12), and a fixed cross bar (13) is fixedly connected between the two trapezoidal reinforcement rods (12).

3. The auxiliary climbing device for a building tower crane according to claim 2, characterized in that: The surface of the fixed cross bar (13) is fixedly connected with a linkage receiving seat (14), and one end of the steel wire rope (6) away from the winding drum (5) is fixedly connected to the surface of the linkage receiving seat (14).

4. The auxiliary climbing device for a building tower crane according to claim 3, characterized in that: Two limit assemblies are fixedly arranged on the inner surface of the auxiliary lifting platform (7), and the limit assemblies include a positioning box (15). The inner wall of the positioning box (15) is rotatably connected to a movable screw rod (16), and the surface of the movable screw rod (16) is threadedly connected to a limit block (17).

5. The auxiliary climbing device for a building tower crane according to claim 4, characterized in that: A rectangular limiting hole is formed on the surface of the positioning box (15), the limiting block (17) is slidably connected to the inner wall of the rectangular limiting hole, and an adjusting nut (18) is fixedly connected to one end of the movable screw rod (16) away from the limiting block (17).

6. The auxiliary climbing device for a building tower crane according to claim 5, characterized in that: A plurality of limiting holes (19) are provided on the surface of the strip positioning plate (9), the plurality of limiting holes (19) are evenly and vertically distributed on the surface of the strip positioning plate (9), and the positions of the limiting holes (19) correspond to the limiting blocks (17), and the size of the limiting blocks (17) matches the limiting holes (19).

7. The auxiliary climbing device for a building tower crane according to claim 6, characterized in that: A hoisting motor (20) is fixedly connected to the outside of the protective cover (4), and an output shaft of the hoisting motor (20) extends into the interior of the protective cover (4) and is fixedly connected to one end of the winding drum (5).

8. The auxiliary climbing device for a building tower crane according to claim 7, characterized in that: The surface of the protective cover (4) is provided with strip-shaped rope-threading holes (21), and the positions of the strip-shaped rope-threading holes (21) correspond to the steel wire suspension ropes (6).

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