Hoisting machinery brake protective cover hand-cranking lifting device convenient to detect

Abstract

The utility model discloses a hoisting machinery brake protective cover hand-cranking lifting device convenient to detect, and relates to the technical field of brake protective covers, the device comprises a fixing plate and a moving mechanism, the fixing plate is installed on a tower crane high-altitude platform, a brake is installed on the fixing plate, the four corners of the fixing plate are respectively provided with a limiting cylinder, and the limiting cylinders are connected with the moving mechanism. The protective cover covers the brake, limiting rods matched with the limiting cylinders in a one-to-one correspondence mode are vertically installed on the side wall of the protective cover, the limiting rods are slidably connected to the inner walls of the limiting cylinders, and the moving mechanism is arranged on the protective cover and used for moving the protective cover, so that detection and maintenance of the brake are facilitated; according to the utility model, through the lifting of the screw rod, the screw rod drives the protective cover to lift, and when the brake is detected and maintained, a worker can clearly observe the condition of the brake and detect the brake, so that the brake detection efficiency is improved, and the maintenance and overhaul difficulty of the brake is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of brake protective covers, in particular to a hand-cranked lifting device for a hoisting mechanical brake protective cover which is easy to detect. Background Art

[0002] In the field of tower crane equipment, brake protection cover is a common device. Its main function is to protect the brake from the influence of the external environment and keep it in normal working condition. However, since most brake protection covers are fixedly installed, and the protection cover itself is large in size and heavy in weight, it is not convenient to remove the brake protection cover during normal inspection, resulting in the staff being unable to observe the condition of the brake. This brings certain difficulties to the inspection and maintenance of the brake.

[0003] Some protective covers have glass observation windows for observing the condition of the brakes. However, the size of the glass observation windows is limited, and there are visual blind spots, which prevents comprehensive observation. In addition, the glass observation windows are easily affected by light, resulting in reflections, unclear vision, and inconvenience for users.

[0004] In view of the above problems, an improved hand-cranked lifting device for a hoisting mechanical brake protective cover which is easy to detect is now designed. Utility Model Content

[0005] The utility model aims to provide a hand-cranked lifting device for a hoisting mechanical brake protective cover which is easy to detect, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hand-cranked lifting device for a crane brake protective cover that is easy to detect includes a fixed plate and a moving mechanism, wherein the fixed plate is mounted on a tower crane high-altitude platform, the brake is mounted on the fixed plate, limiting cylinders are mounted on the four corners of the fixed plate, the protective cover is covered on the brake, and limiting rods that correspond to the limiting cylinders in a one-to-one manner are vertically mounted on the side walls of the protective cover, and the limiting rods are slidably connected to the inner wall of the limiting cylinder.

[0008] The moving mechanism is arranged on the protective cover and is used to move the protective cover to facilitate the inspection and maintenance of the brake.

[0009] As a further solution of the present utility model: the moving mechanism includes a lifter housing, a mounting ear plate is installed at the lower end of the side wall of the lifter housing, and the mounting ear plate is installed on the high-altitude platform of the tower crane; a mounting plate is installed at the upper end of the lifter housing, and a worm gear housing is installed at the upper end of the mounting plate; the worm gear housing and the lifter housing are connected to each other, a through hole is opened at the upper end of the worm gear housing, and a screw rod is vertically arranged inside the worm gear housing and the lifter housing, and a first connecting head is installed at the upper end of the screw rod through the through hole at the upper end of the worm gear housing, the diameter of the through hole at the upper end of the worm gear housing is larger than the diameter of the screw rod, and a second connecting head is installed at the upper end of the side wall of the protective cover close to the lifter housing, the first connecting head and the second connecting head are connected together, and a driving component for moving the screw rod is arranged on the worm gear housing.

[0010] As a further solution of the utility model: the driving assembly includes a worm wheel, which is arranged inside the worm wheel housing, the upper end of the worm wheel is rotatably connected to the top of the worm wheel housing through an annular slide rail, the worm wheel is sleeved on the lead screw, the inner wall of the worm wheel is rotatably connected to the side wall of the lead screw through a thread, a worm housing is installed on the side wall of the worm wheel housing, the worm housing and the worm wheel housing are connected to each other, a worm that meshes with the worm wheel is arranged inside the worm housing, a rotating rod for driving the worm to rotate is installed at the center position of the worm, both ends of the rotating rod are rotatably connected to the side walls of the worm housing, one end of the rotating rod passes through the worm housing and is equipped with a hand-cranked rotating disk that facilitates the staff to rotate the rotating rod.

[0011] As a further solution of the utility model: a plurality of heat sinks for dissipating heat from the brake are installed on the side wall of the protective cover.

[0012] As a further solution of the utility model: the interior of the limit rod is provided with reinforcing ribs for improving the structural strength of the limit rod.

[0013] As a further solution of the utility model: a rib plate for fixing and supporting the second connecting head is installed on the side wall of the second connecting head.

[0014] As a further solution of the utility model: a crank handle is installed on the hand-cranked rotating disk for easy operation by staff.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model raises and lowers the screw rod so that the screw rod drives the protective cover to rise and fall. When the brake is inspected and maintained, the staff can clearly observe the condition of the brake and inspect the brake, thereby improving the efficiency of brake inspection and reducing the difficulty of brake maintenance and overhaul.

[0017] At the same time, it is manually cranked through a hand-cranked rotating disk and transmitted through a worm and a worm wheel. It has a simple structure, is not prone to failure, is easy for staff to operate, and is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the structure of the protective cover covering the brake.

[0019] Figure 2 It is a schematic diagram of the structure of the utility model when the protective cover is opened.

[0020] Figure 3 It is a structural schematic diagram of the moving mechanism in the utility model.

[0021] Figure 4 It is a schematic structural diagram of the worm gear housing and the worm gear housing in the utility model.

[0022] Figure 5 It is a structural schematic diagram of the driving component in the utility model.

[0023] Figure 6 It is a structural schematic diagram of the screw rod in the utility model.

[0024] Among them: 1. Fixed plate; 2. Limiting cylinder; 3. Mounting ear plate; 4. Lifter housing; 5. Hand-cranked rotating disk; 6. First connecting head; 7. Second connecting head; 8. Protective cover; 9. Worm gear housing; 10. Mounting plate; 11. Limiting rod; 12. Brake; 13. Screw; 14. Worm housing; 15. Rotating rod; 16. Worm; 17. Worm. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 6 In an embodiment of the utility model, a hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect includes a fixed plate 1 and a moving mechanism. The fixed plate 1 is installed on a tower crane high-altitude platform, and a brake 12 is installed on the fixed plate 1. Limit cylinders 2 are installed on the four corners of the fixed plate 1. The protective cover 8 is covered on the brake 12. A limit rod 11 that corresponds to the limit cylinder 2 and is used in conjunction with the limit cylinder 2 is vertically installed on the side wall of the protective cover 8. The limit rod 11 is slidably connected to the inner wall of the limit cylinder 2.

[0027] The moving mechanism is arranged on the protective cover 8 and is used to move the protective cover 8 to facilitate the inspection and maintenance of the brake 12 .

[0028] The moving mechanism includes a lifter housing 4, a mounting ear plate 3 is installed at the lower end of the side wall of the lifter housing 4, and the mounting ear plate 3 is installed on the high-altitude platform of the tower crane. A mounting plate 10 is installed at the upper end of the lifter housing 4, and a worm gear housing 9 is installed at the upper end of the mounting plate 10. The worm gear housing 9 and the lifter housing 4 are connected to each other, and a through hole is opened at the upper end of the worm gear housing 9. A screw rod 13 is vertically arranged inside the worm gear housing 9 and the lifter housing 4. The upper end of the screw rod 13 is installed with a first connecting head 6 through the through hole at the upper end of the worm gear housing 9. The diameter of the through hole at the upper end of the worm gear housing 9 is larger than the diameter of the screw rod 13. The protective cover 8 is installed with a second connecting head 7 near the upper end of the side wall of the lifter housing 4. The first connecting head 6 and the second connecting head 7 are connected together. A driving component for moving the screw rod 13 is provided on the worm gear housing 9.

[0029] The drive assembly includes a worm wheel 16, which is arranged inside the worm gear housing 9. The upper end of the worm wheel 16 is rotatably connected to the top of the worm gear housing 9 through an annular slide rail. The worm wheel 16 is sleeved on the lead screw 13. The inner wall of the worm wheel 16 is rotatably connected to the side wall of the lead screw 13 through a thread. A worm housing 14 is installed on the side wall of the worm gear housing 9. The worm housing 14 and the worm gear housing 9 are communicated with each other. A worm 17 meshing with the worm wheel 16 is arranged inside the worm housing 14. A rotating rod 15 for driving the worm 17 to rotate is installed at the center of the worm 17. Both ends of the rotating rod 15 are rotatably connected to the side walls of the worm housing 14. One end of the rotating rod 15 passes through the worm housing 14 and is installed with a hand-cranked rotating disk 5 for facilitating the staff to rotate the rotating rod 15.

[0030] During inspection and maintenance, the staff rotates the hand-cranked rotating disk 5, the hand-cranked rotating disk 5 drives the rotating rod 15 to rotate, the rotating rod 15 drives the worm 17 to rotate, the worm 17 drives the worm wheel 16 to rotate, and under the action of the thread, the worm wheel 16 drives the screw rod 13 to move upward, the screw rod 13 drives the first connecting head 6 to move, the first connecting head 6 drives the second connecting head 7 to move, and the second connecting head 7 drives the protective cover 8 to move upward, so that the protective cover 8 is opened to expose the brake 12.

[0031] At the same time, the protective cover 8 drives the limiting rod 11 to move, and the limiting rod 11 slides along the inner wall of the limiting cylinder 2. When the limiting rod 11 is separated from the limiting cylinder 2, the staff can hold the protective cover 8 by hand to ensure the smooth movement of the protective cover 8.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A hand-cranked lifting device for a crane brake protective cover that is easy to detect, comprising a fixed plate (1) and a moving mechanism, wherein the fixed plate (1) is mounted on a tower crane high-altitude platform, and a brake (12) is mounted on the fixed plate (1), characterized in that: The four corners of the fixing plate (1) are each provided with a limiting cylinder (2), the protective cover (8) covers the brake (12), and a limiting rod (11) corresponding to and used in conjunction with the limiting cylinder (2) is vertically provided on the side wall of the protective cover (8), and the limiting rod (11) is slidably connected to the inner wall of the limiting cylinder (2); The moving mechanism is arranged on the protective cover (8) and is used to move the protective cover (8) to facilitate detection and maintenance of the brake (12).

2. The hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 1 is characterized in that: The moving mechanism comprises an elevator housing (4), a mounting ear plate (3) is installed at the lower end of the side wall of the elevator housing (4), the mounting ear plate (3) is installed on the high-altitude platform of the tower crane, a mounting plate (10) is installed at the upper end of the elevator housing (4), a worm gear housing (9) is installed at the upper end of the mounting plate (10), the worm gear housing (9) and the elevator housing (4) are connected to each other, the upper end of the worm gear housing (9) is provided with a through hole, and the worm gear housing (9) and the elevator housing (4) are connected to each other. A screw rod (13) is vertically arranged inside, and the upper end of the screw rod (13) is installed with a first connector (6) through a through hole at the upper end of the worm gear housing (9), and the diameter of the through hole at the upper end of the worm gear housing (9) is larger than the diameter of the screw rod (13). A second connector (7) is installed at the upper end of the side wall of the protective cover (8) close to the lifter housing (4), and the first connector (6) and the second connector (7) are connected together. A driving component for moving the screw rod (13) is arranged on the worm gear housing (9).

3. A hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 2, characterized in that: The drive assembly comprises a worm wheel (16), the worm wheel (16) being arranged inside a worm wheel housing (9), the upper end of the worm wheel (16) being rotatably connected to the top of the worm wheel housing (9) via an annular slide rail, the worm wheel (16) being sleeved on a lead screw (13), the inner wall of the worm wheel (16) being rotatably connected to the side wall of the lead screw (13) via a thread, a worm housing (14) being installed on the side wall of the worm wheel housing (9), the worm housing (14) and the worm wheel housing (9) being rotatably connected to each other. ) are interconnected, a worm (17) meshing with the worm wheel (16) is arranged inside the worm housing (14), a rotating rod (15) for driving the worm (17) to rotate is installed at the center of the worm (17), both ends of the rotating rod (15) are rotatably connected to the side wall of the worm housing (14), and one end of the rotating rod (15) passes through the worm housing (14) and is installed with a hand-cranked rotating disk (5) for facilitating the staff to rotate the rotating rod (15).

4. The hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 1 is characterized in that: A plurality of heat sinks for dissipating heat from the brake (12) are installed on the side wall of the protective cover (8).

5. The hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 1 is characterized in that: A reinforcing rib for improving the structural strength of the limiting rod (11) is arranged inside the limiting rod (11).

6. A hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 2, characterized in that: A rib plate for fixing and supporting the second connecting head (7) is installed on the side wall of the second connecting head (7).

7. The hand-cranked lifting device for a hoisting mechanical brake protective cover that is easy to detect according to claim 3 is characterized in that: The hand-cranked rotating disk (5) is provided with a crank handle which is convenient for the staff to operate.

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