CN217201820U

CN217201820U - Rotary lifting mechanism

Info

Publication number: CN217201820U
Application number: CN202123098685.2U
Authority: CN
Inventors: 李亚将; 唐莎; 曾莹; 曾令东; 陈楚; 李昌昊; 付智慧; 郝力
Original assignee: China Gezhouba Group Machinery and Ship Co Ltd
Current assignee: China Gezhouba Group Machinery and Ship Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-08-16
Anticipated expiration: 2031-12-10

Abstract

A rotary hoisting mechanism comprises a moving platform and a rotary platform, wherein self-walking devices are arranged on two sides of the bottom of the moving platform, the rotary platform is arranged on the moving platform and is connected with the moving platform through a rotary system, a winding drum device, a fixed pulley and a balance pulley are arranged on the rotary platform, the winding drum device, the fixed pulley and the balance pulley are connected with a movable pulley device through cables, and a loop bar is arranged on the movable pulley device; the utility model discloses a design of two-layer equation, the upper strata is responsible for lifting by crane and rotatory to the gate, and the lower floor is responsible for the device global movement, has integrateed rotatory, has removed and has risen to wait function, can promote by a wide margin to rise the security that precision and gate opened and close work.

Description

Rotary lifting mechanism

Technical Field

The utility model belongs to the technical field of lifting means, in particular to gyration hoisting mechanism.

Background

The water conservancy gate opening and closing device is a control facility for closing and opening a discharging or water discharging channel and an important component of a hydraulic building, and can be used for intercepting water flow, controlling water level, regulating flow, discharging silt and floating objects and the like. The gate is generally used for hydraulic buildings such as overflow dams, bank spillways, water discharge holes and hydraulic tunnels, and has the functions of intercepting water flow, controlling water level, adjusting flow, controlling shipping, discharging silt and floating objects and the like.

When the water conservancy gate is opened and closed, a gate opening and closing machine is needed, and the existing gate opening and closing machine generally lifts the gate to a certain height by using a hoisting mechanism and a hydraulic device and then completes opening and closing by matching with manual pushing rotation; the operation has certain safety risk and poor accuracy and operability; therefore, a rotary lifting mechanism is needed to be designed to realize the lifting and the rotation of the power station gate.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a gyration hoisting mechanism, the device adopt the design of bilayer formula, and the upper strata is responsible for lifting by crane and rotatory to the gate, and the lower floor is responsible for the device global movement, has integrateed rotatory, has removed and has risen functions such as rise, can promote by a wide margin and play to rise the security that precision and gate were opened and close the work.

In order to solve the technical problem, the utility model discloses a following technical scheme has been taken and has been realized:

the utility model provides a gyration hoisting mechanism, is equipped with from walking the device including moving platform and revolving platform, moving platform's bottom both sides, the last revolving platform that is equipped with of moving platform, revolving platform passes through the rotary system and is connected with moving platform, has installed reel device, fixed pulley and balance pulley on the revolving platform, reel device, fixed pulley and balance pulley pass through the hawser and connect the movable pulley device, have installed the loop bar on the movable pulley device.

In a preferable scheme, the self-propelled device comprises a self-propelled motor, a driving wheel, a rail clamping device and an anchoring base; the rail clamping device and the driving wheel are arranged at four corners of the bottom of the moving platform, the rail clamping device and the driving wheel are connected with the sliding rail in a clamping mode, a transmission system on the self-propelled motor is connected with the driving wheel and drives the pulley device to rotate, the driving wheel rotates to drive the moving platform to move along the sliding rail, and the anchoring base is connected with the moving platform and arranged between the driving wheels.

In a preferred scheme, the rotary system comprises a rotary motor, a rotary gear ring, a driving gear, a rotary shaft and a driving gear; the rotary gear ring is arranged on the moving platform and can freely rotate along the axis of the rotary gear ring, the upper end face of the rotary gear ring is connected with the rotary platform and drives the rotary platform to synchronously rotate, the rotary platform is provided with a rotary motor, the rotary motor is connected with a driving gear through a rotating shaft, and the driving gear is meshed with the rotary gear ring.

In the preferred scheme, a limiting device is arranged in the rotary system and comprises a rotary buffer plate and a rotary limiting sensor, the rotary limiting sensor is arranged on the moving platform and close to the bottom of the rotary gear ring, and the rotary buffer plate is arranged at the bottom of the rotary platform and corresponds to the rotary limiting sensor in position.

In the preferred scheme, a speed reducer and a lifting motor are installed on the rotary platform, the lifting motor is connected with a winding drum device through the speed reducer and drives the winding drum device to rotate, a cable is wound on the winding drum device, the cable is wound out of the winding drum device and passes through a movable pulley device and a fixed pulley, and a cable is wound between the movable pulley device and a balance pulley in the same way.

In the preferred scheme, a first ladder stand is arranged on the side part of the rotary platform, and a second ladder stand is arranged on the side part of the movable platform.

In the preferred scheme, a machine room plate covers the periphery of the mobile platform, and a ventilation opening is formed in the machine room plate.

In the preferred scheme, a winding motor is arranged on the rotary platform and drives a grabbing beam cable winding drum to rotate, and a cable is wound on the grabbing beam cable winding drum and provides electric energy for the whole rotary lifting mechanism device.

This patent can reach following beneficial effect:

1. the device can complete lifting and rotating work of the gate at the same time, manual assistance is not needed during work, and the device improves the efficiency of the gate opening and closing work and the safety during lifting work;

2. the device can realize functions such as accurate alignment and the like by utilizing a fully-mechanized lifting and rotating mechanism, and can realize the function of limiting protection by matching with a limiting device in the device;

3. the device can greatly reduce the pulling force when the winding drum device is lifted through the mutual matching of the movable pulley and the fixed pulley, and the matching balance pulley can be always kept stable when the gate is lifted.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a bottom view of the internal structure of the present invention;

FIG. 4 is a schematic view of the revolving system of the present invention;

fig. 5 is a schematic structural view of the lifting system of the present invention;

fig. 6 is a top view of the rotary platform and its components of the present invention.

In the figure: the device comprises a moving platform 1, a winding drum device 2, a speed reducer 3, a lifting motor 4, a rotary platform 5, a cable 6, a movable pulley device 7, a driving wheel 8, a self-propelled motor 9, a first ladder stand 10, a second ladder stand 11, a rotary motor 12, a rotary gear ring 13, a driving gear 14, a rotating shaft 15, a fixed pulley 16, a balance pulley 17, a beam grabbing cable winding drum 18, a winding motor 19, a rotary buffer plate 20, a rotary limit sensor 21, a rail clamping device 22, an anchoring base 23, a machine room plate 24, a ventilation opening 25 and a loop bar 26.

Detailed Description

As shown in fig. 1 to 3, a rotary lifting mechanism comprises a moving platform 1 and a rotary platform 5, wherein two sides of the bottom of the moving platform 1 are provided with self-propelled devices for driving a trolley to travel along a rail, the moving platform 1 is provided with the rotary platform 5 for rotating a hanging part, the rotary platform 5 is connected with the moving platform 1 through a rotary system, the rotary platform 5 is provided with a winding drum device 2, a fixed pulley 16 and a balance pulley 17, the winding drum device 2, the fixed pulley 16 and the balance pulley 17 are connected with a movable pulley device 7 through a cable 6, and the movable pulley device 7 is provided with a loop bar 26 for hanging the hanging part.

As shown in fig. 2 and 3, the self-propelled device comprises a self-propelled motor 9, a driving wheel 8, a rail clamping device 22 and an anchoring base 23; the rail clamping device 22 and the driving wheel 8 are arranged at the four corners of the bottom of the mobile platform 1, the rail clamping device 22 and the driving wheel 8 are clamped with a slide rail during working, a transmission system on the self-walking motor 9 is connected with the driving wheel 8 and drives the pulley device 7 to rotate, the driving wheel 8 rotates to drive the mobile platform 1 to move along the slide rail, and the anchoring base 23 is connected with the mobile platform 1 and arranged between the driving wheels 8;

when the trolley runs, the self-propelled motor 9 drives the driving wheel 8 to rotate, the driving wheel 8 and the rail clamping device 22 clamp the guide rail and enable the mobile platform 1 to move along the guide rail, and after the mobile platform 1 moves to a specified position, the anchoring base 23 extends and is abutted against the guide rail, so that the position of the mobile platform 1 is kept fixed.

The preferred solution is shown in fig. 4, the rotary system comprises a rotary motor 12, a rotary gear ring 13, a driving gear 14, a rotary shaft 15 and a driving gear 14; the rotary gear ring 13 is arranged on the moving platform 1 and can freely rotate along the axis of the rotary gear ring 13, the upper end face of the rotary gear ring 13 is connected with the rotary platform 5 and drives the rotary platform 5 to synchronously rotate, a rotary motor 12 is arranged on the rotary platform 5, the rotary motor 12 is connected with a driving gear 14 through a rotating shaft 15, and the driving gear 14 is meshed with the rotary gear ring 13; a limiting device is arranged in the rotary system and comprises a rotary buffer plate 20 and a rotary limiting sensor 21, the rotary limiting sensor 21 is arranged on the mobile platform 1 and is close to the bottom of the rotary gear ring 13, and the rotary buffer plate 20 is arranged at the bottom of the rotary platform 5 and corresponds to the rotary limiting sensor 21 in position;

when the mobile platform 1 is moved to a designated position and needs to rotate, the rotary motor 12 is started and drives the rotary shaft 15 to rotate, the driving gear 14 at the lower end of the rotary shaft 15 can synchronously rotate and drive the rotary gear ring 13 to rotate, the rotary gear ring 13 rotates and then drives the rotary platform 5 at the upper end to synchronously rotate, the lower end of the rotary platform 5 is connected with the rotary buffer plate 20, and when the rotary buffer plate 20 rotates along with the rotary platform 5 and is in contact with the rotary limit sensor 21, the rotary platform 5 immediately stops rotating and achieves the limit control function.

Preferably, as shown in fig. 4 and 5, a speed reducer 3 and a hoisting motor 4 are installed on a rotary platform 5, the hoisting motor 4 is connected with a winding drum device 2 through the speed reducer 3 and drives the winding drum device 2 to rotate, a cable 6 is wound on the winding drum device 2, the cable 6 is wound out of the winding drum device 2 and is wound through a movable pulley device 7 and a fixed pulley 16, the hoisting tension of the winding drum device 2 can be reduced and the output power of the hoisting motor 4 can be saved through a connection mode combining the movable pulley device 7 and the fixed pulley 16, and the cable 6 is wound between the movable pulley device 7 and a balance pulley 17 to ensure the stability of the movable pulley device 7 in hoisting.

As shown in fig. 4 and 5, a first ladder stand 10 is arranged on the side of the revolving platform 5, and a second ladder stand 11 is arranged on the side of the moving platform 1; the worker can smoothly enter the moving platform 1 through the first ladder stand 10 and the worker can smoothly enter the revolving platform 5 through the second ladder stand 11.

Preferably, as shown in fig. 2, a machine room plate 24 covers the periphery of the mobile platform 1 to protect components in the mobile platform 1, and a ventilation opening 25 is formed in the machine room plate 24 to ensure a ventilation effect in the machine room plate 24.

According to the preferable scheme, as shown in fig. 5 and 6, a winding motor 19 is arranged on the rotary platform 5, the winding motor 19 drives a beam grabbing cable winding drum 18 to rotate, and a cable is wound on the beam grabbing cable winding drum 18 and provides electric energy for the rotary hoisting mechanism.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a gyration hoisting mechanism, including moving platform (1) and rotary platform (5), its characterized in that: the self-walking device is arranged on two sides of the bottom of the moving platform (1), the rotating platform (5) is arranged on the moving platform (1), the rotating platform (5) is connected with the moving platform (1) through a rotating system, the rotating platform (5) is provided with the winding drum device (2), the fixed pulley (16) and the balance pulley (17), the winding drum device (2), the fixed pulley (16) and the balance pulley (17) are connected with the movable pulley device (7) through cables (6), and the loop bar (26) is arranged on the movable pulley device (7).

2. The rotary hoist mechanism of claim 1, wherein: the self-propelled device comprises a self-propelled motor (9), a driving wheel (8), a rail clamping device (22) and an anchoring base (23); press from both sides rail ware (22) and drive wheel (8) and set up in the bottom four corners department of moving platform (1), press from both sides rail ware (22) and drive wheel (8) and slide rail joint, it is rotatory to connect drive wheel (8) and drive pulley gear (7) from the transmission system on self-propelled motor (9), and drive wheel (8) rotation drives moving platform (1) and removes along the slide rail, and moving platform (1) and setting are connected between drive wheel (8) in anchoring base (23).

3. The rotary hoist mechanism of claim 1, wherein: the rotary system comprises a rotary motor (12), a rotary gear ring (13), a driving gear (14), a rotary shaft (15) and the driving gear (14); rotary gear ring (13) are installed on moving platform (1) and can be along the axle center free rotation of rotary gear ring (13), and rotary platform (5) and drive rotary platform (5) synchronous revolution are connected to the up end of rotary gear ring (13), have installed rotary motor (12) on rotary platform (5), rotary motor (12) pass through rotation axis (15) and connect driving gear (14), driving gear (14) are connected with rotary gear ring (13) meshing.

4. The rotary hoist mechanism of claim 3, wherein: a limiting device is arranged inside the rotary system and comprises a rotary buffer plate (20) and a rotary limiting sensor (21), the rotary limiting sensor (21) is arranged on the moving platform (1) and close to the bottom of the rotary gear ring (13), and the rotary buffer plate (20) is arranged at the bottom of the rotary platform (5) and corresponds to the rotary limiting sensor (21).

5. The rotary hoist mechanism of claim 1, wherein: install reduction gear (3) and lifting motor (4) on rotary platform (5), lifting motor (4) are connected reel device (2) and are driven reel device (2) rotation through reduction gear (3), and the winding has hawser (6) on reel device (2), hawser (6) are by reel device (2) winding out and around warp movable pulley device (7) and fixed pulley (16), and it has hawser (6) to wind the joint equally between movable pulley device (7) and balance pulley (17).

6. The swing hoist mechanism of claim 1, wherein: a first ladder stand (10) is arranged on the side part of the rotary platform (5), and a second ladder stand (11) is arranged on the side part of the movable platform (1).

7. The rotary hoist mechanism of claim 1, wherein: a machine room plate (24) covers the periphery of the mobile platform (1), and a ventilation opening (25) is formed in the machine room plate (24).

8. The rotary hoist mechanism of claim 1, wherein: a winding motor (19) is installed on the rotary platform (5), the winding motor (19) drives a grabbing beam cable winding drum (18) to rotate, and a cable is wound on the grabbing beam cable winding drum (18) and provides electric energy for the whole rotary lifting mechanism device.