CN114735605A

CN114735605A - Rotary hoisting device

Info

Publication number: CN114735605A
Application number: CN202210503631.XA
Authority: CN
Inventors: 范如谷; 谭晓波; 李欣欣; 夏家泉; 黎悟非; 张建
Original assignee: Sinohydro Bureau 7 Co Ltd; Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd; Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-07-12

Abstract

The invention discloses a rotary lifting device, which belongs to the technical field of lifting starting and stopping equipment, comprises a lifting appliance and is characterized in that: the lifting appliance comprises an upper lifting frame, a pulley shaft, a movable pulley block, a pin penetrating piece, a lifting head, a lower lifting frame, a lifting hook cross beam, a lifting hook nut, a rotary driving piece and a grabbing beam, wherein the movable pulley block is installed on the upper lifting frame through the pulley shaft, the lifting head is fixed on the upper lifting frame through the pin penetrating piece, the lifting hook cross beam penetrates through the lifting hook nut and is installed on the lower lifting frame, the lifting hook nut is connected with the lifting head, a rotary bearing is installed between the lifting hook cross beam and the lifting hook nut, the rotary driving piece is installed on the lower lifting frame, and the grabbing beam is connected with the lower lifting frame. The lifting appliance can synchronously and reversely rotate to ensure that the axis of the gate is always kept parallel to the axis of the gate slot, the lifting appliance and the gate are prevented from shaking in the rotation process, so that the gate can be automatically and accurately positioned into the slot, the lifting precision and the lifting efficiency are improved, and the whole rotary crane is convenient to install.

Description

Rotary lifting device

Technical Field

The invention relates to the technical field of hoisting starting and stopping equipment, in particular to a rotary hoisting device.

Background

In the existing hoisting equipment, especially the hoisting starting and stopping equipment which hoists objects by rotation and needs accurate positioning is adopted, for example, a gate is hoisted into a gate slot or a gate warehouse by a hoist for a hydropower station.

Because the operation mode of the slewing mechanism is rotary motion, the track and the tangential angle of each door slot or door storehouse are different in the operation process, so that the axis of the door body cannot be parallel to the axis of the door slot or the door storehouse to be placed in the hoisting process, and even if the steel wire rope does not swing, the gate is difficult to enter the groove without other forces. Therefore, the existing hoisting equipment can realize the accurate positioning of the gate into the groove only through manual auxiliary operation, and the safety operation and the high-efficiency operation of personnel and equipment are adversely affected, and particularly, the personnel can generate great potential safety hazards in the auxiliary gate positioning groove of the gate slot orifice. Therefore, when the rotary crane is used for hoisting a gate object, how to accurately position the rotary crane and ensure that the axis of the gate is parallel to the axis of the gate slot are very important.

Chinese patent publication No. CN112209224A, published 2021, 01, 12.d., discloses a full-swing hanger, which is characterized by comprising: the movable pulley lifting lugs are arranged on two sides of the upper surface of the balance beam and are used for being connected with a movable pulley on a crown block through a steel wire rope, and a connecting piece is arranged at the center of the bottom of the balance beam; the swing mechanism is connected to the balance beam through a connecting piece; the space hanging point structure is connected to the slewing mechanism and realizes slewing motion through the slewing mechanism; the bottom layer distribution beam is used for connecting the hoisted objects, and the bottom layer distribution beam is connected with the space hanging point structure through a plurality of distribution suspension ropes.

The full-rotation lifting appliance disclosed by the patent document solves the technical problem that a lifted heavy object cannot rotate, adopts a modular design, and is compact in structure. However, the gate hoisting device is used for hoisting gates, the swaying performance is large, the automatic and accurate positioning of the gates into the slots cannot be guaranteed, and the hoisting precision and the hoisting efficiency are low.

Disclosure of Invention

The lifting appliance can synchronously rotate reversely to ensure that the axis of the gate is always kept parallel to the axis of the gate slot, so that the lifting appliance and the gate are prevented from shaking in the rotation process, the gate can be automatically and accurately positioned to enter the slot, the lifting precision and the lifting efficiency are improved, and the whole rotary crane is convenient to install.

The invention is realized by the following technical scheme:

the utility model provides a rotary hoisting device, includes hoist, rotary platform, pull rod, assembly pulley, installs at the rotation mechanism of portal below and installs the gyration computer lab on rotation mechanism through rotary platform, installs hoisting mechanism in the gyration computer lab, and the last coiling of hoisting mechanism has wire rope, installs the cantilever crane on the gyration computer lab, and the top at the cantilever crane is installed to the assembly pulley, and the one end and the portal frame top of pull rod are articulated, and the other end and the cantilever crane of pull rod are articulated, its characterized in that: the lifting appliance comprises an upper lifting frame, a pulley shaft, a movable pulley block, a pin penetrating piece, a lifting head, a lower lifting frame, a lifting hook cross beam, a lifting hook nut, a rotary driving piece and a grabbing beam, wherein the movable pulley block is installed on the upper lifting frame through the pulley shaft, the movable pulley block and the pulley block are connected through a steel wire rope in a winding mode, the lifting head is provided with a pin shaft hole, the lifting head is fixed on the upper lifting frame through the pin penetrating piece, the lifting hook cross beam penetrates through the lifting hook nut and is installed on the lower lifting frame, the lifting hook nut is connected with the lifting head, a rotary bearing is installed between the lifting hook cross beam and the lifting hook nut, the rotary driving piece is installed on the lower lifting frame, and the grabbing beam is connected with the lower lifting frame.

The pin penetrating piece is positioned between the movable pulley block and the hook cross beam.

The rotary driving piece is positioned below the lifting hook nut.

The rotary driving piece is a rotary motor or a rotary hydraulic cylinder.

The pin penetrating piece comprises a pin shaft, a sleeve, a nut, a screw rod and a hand wheel, the screw rod is arranged in the sleeve, one end of the screw rod is fixedly connected with the hand wheel outside the sleeve, the other end of the screw rod is connected with the nut through threads, one end of the pin shaft is located in the sleeve and is fixedly connected with the nut, and the nut is located in the pin shaft.

The upper hanger comprises a first upper hanger plate, a second upper hanger plate and an upper transverse hanger plate, one end of the upper transverse hanger plate is vertically and fixedly connected with the first upper hanger plate, and the other end of the upper transverse hanger plate is vertically and fixedly connected with the second upper hanger plate.

And a pin shaft sleeve is fixedly connected to the second upper hanging plate of the upper hanging bracket, and the inner diameter of the pin shaft sleeve is larger than the outer diameter of the pin shaft.

The lower hanging bracket comprises a first lower hanging plate, a second lower hanging plate and a lower transverse hanging plate, one end of the lower transverse hanging plate is vertically and fixedly connected with the first lower hanging plate, and the other end of the lower transverse hanging plate is vertically and fixedly connected with the second lower hanging plate.

The beneficial effects of the invention are mainly shown in the following aspects:

1. the invention relates to a lifting appliance, which comprises an upper lifting frame, a pulley shaft, a movable pulley block, a pin penetrating piece, a lifting head, a lower lifting frame, a lifting hook cross beam, a lifting hook nut, a rotary driving piece and a grabbing beam, wherein the movable pulley block is arranged on the upper lifting frame through the pulley shaft, the movable pulley block and the pulley block are connected through a steel wire rope in a winding way, the lifting head is provided with a pin shaft hole and is fixed on the upper lifting frame through the pin penetrating piece, the lifting hook cross beam penetrates through the lifting hook nut and is arranged on the lower lifting frame, the lifting hook nut is connected with the lifting head, a rotary bearing is arranged between the lifting hook cross beam and the lifting hook nut, the rotary driving piece is arranged on the lower lifting frame, and the grabbing beam is connected with the lower lifting frame. And the whole rotary crane is convenient to install.

2. According to the invention, the rotary driving piece is arranged on the lower hanging bracket, and the grabbing beam is connected with the lower hanging bracket, so that the movable pulley block does not need to be separately wired, and can be directly wired by virtue of the junction box of the grabbing beam, the structural design is reasonable, and the installation convenience of the whole rotary crane is greatly improved.

3. According to the invention, the rotary driving piece is positioned below the lifting hook nut, so that the grabbing beam can be better driven to synchronously rotate, and smooth rotary operation of the grabbing beam is realized.

4. According to the invention, the rotary driving piece is a rotary motor or a rotary hydraulic cylinder, can be selected according to different use scenes, and has strong flexibility.

5. According to the invention, the pin penetrating piece comprises a pin shaft, a sleeve, a nut, a screw rod and a hand wheel, the screw rod is arranged in the sleeve, one end of the screw rod is fixedly connected with the hand wheel outside the sleeve, the other end of the screw rod is connected with the nut through threads, one end of the pin shaft is positioned in the sleeve and fixedly connected with the nut, the nut is positioned in the pin shaft, the screw rod is driven to rotate by rotating the hand wheel, the screw rod rotates to drive the nut and the pin shaft to translate along the sleeve, and the pin penetrating or pin releasing action can be completed.

6. According to the invention, the upper hanging bracket comprises the first upper hanging plate, the second upper hanging plate and the upper transverse hanging plate, one end of the upper transverse hanging plate is vertically and fixedly connected with the first upper hanging plate, and the other end of the upper transverse hanging plate is vertically and fixedly connected with the second upper hanging plate, so that good support can be provided for the movable pulley block, and the use reliability of the whole rotary hanging device is ensured.

7. According to the invention, the pin shaft sleeve is fixedly connected to the second upper hanging plate of the upper hanging frame, the inner diameter of the pin shaft sleeve is larger than the outer diameter of the pin shaft, and the pin shaft is screwed into the pin shaft sleeve when the pin is inserted, so that the connection firmness can be further improved.

8. According to the invention, the lower hanging bracket comprises the first lower hanging plate, the second lower hanging plate and the lower transverse hanging plate, one end of the lower transverse hanging plate is vertically and fixedly connected with the first lower hanging plate, and the other end of the lower transverse hanging plate is vertically and fixedly connected with the second lower hanging plate, so that good support can be provided, and the structure is simple.

Drawings

The invention will be further described in detail with reference to the drawings and the detailed description, in which:

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

fig. 2 is a schematic structural view of the spreader of the present invention;

FIG. 3 is a schematic view of the construction of the pin passing member of the present invention;

the labels in the figure are: 1. the lifting appliance comprises a lifting appliance 2, a rotary platform 3, a pull rod 4, a pulley block 5, a portal frame 6, a rotary mechanism 7, a rotary machine room 8, a lifting mechanism 9, a steel wire rope 10, an arm support 11, an upper lifting frame 12, a pulley shaft 13, a movable pulley block 14, a rotary driving piece 15, a lifting hook nut 16, a lifting hook beam 17, a lifting head 18, a pin penetrating piece 19, a grabbing beam 20, a rotary bearing 21, a lower lifting frame 22, a pin shaft 23, a sleeve 24, a nut 25, a screw rod 26, a hand wheel 27, a first upper lifting plate 28, a second upper lifting plate 29, an upper lifting plate 30, a first lower lifting plate 31, a pin shaft sleeve 32, a second lower lifting plate 33 and a lower transverse lifting plate.

Detailed Description

Example 1

Referring to fig. 1 and 2, a rotary hoisting device comprises a hoisting device 1, a rotary platform 2, a pull rod 3, a pulley block 4, a rotary mechanism 6 arranged below a portal frame 5, and a rotary machine room 7 arranged on the rotary mechanism 6 through the rotary platform 2, wherein a hoisting mechanism 8 is arranged in the rotary machine room 7, a steel wire rope 9 is wound on the hoisting mechanism 8, an arm support 10 is arranged on the rotary machine room 7, the pulley block 4 is arranged on the top of the arm support 10, one end of the pull rod 3 is hinged with the top of the portal frame 5, the other end of the pull rod 3 is hinged with the arm support 10, the hoisting device 1 comprises an upper hoisting frame 11, a pulley shaft 12, a movable pulley block 13, a pin penetrating piece 18, a hoisting head 17, a lower hoisting frame 21, a hoisting hook beam 16, a hoisting hook nut 15, a rotary driving piece 14 and a grabbing beam 19, the movable pulley block 13 is arranged on the upper hoisting frame 11 through the pulley shaft 12, and the movable pulley block 13 and the pulley block 4 are connected through the steel wire rope 9 in a winding manner, the lifting head 17 is provided with a pin shaft hole, the lifting head 17 is fixed on the upper hanging bracket 11 through a pin penetrating piece 18, the lifting hook cross beam 16 penetrates through the lifting hook nut 15 and is installed on the lower hanging bracket 21, the lifting hook nut 15 is connected with the lifting head 17, a rotary bearing 20 is installed between the lifting hook cross beam 16 and the lifting hook nut 15, the rotary driving piece 14 is installed on the lower hanging bracket 21, and the grabbing beam 19 is connected with the lower hanging bracket 21.

In this embodiment, the lifting appliance 1 includes an upper hanger 11, a pulley shaft 12, a movable pulley block 13, a pin passing member 18, a lifting head 17, a lower hanger 21, a hook beam 16, a hook nut 15, a rotary driving member 14 and a grasping beam 19, the movable pulley block 13 is mounted on the upper hanger 11 through the pulley shaft 12, the movable pulley block 13 and the pulley block 4 are connected by a steel wire 9 in a winding manner, the lifting head 17 is provided with a pin shaft hole, the lifting head 17 is fixed on the upper hanger 11 through the pin passing member 18, the hook beam 16 passes through the hook nut 15 and is mounted on the lower hanger 21, the hook nut 15 is connected with the lifting head 17, a rotary bearing 20 is mounted between the hook beam 16 and the hook nut 15, the rotary driving member 14 is mounted on the lower hanger 21, the grasping beam 19 is connected with the lower hanger 21, compared with the prior art, the lifting appliance 1 can synchronously and reversely rotate to ensure that the gate axis always keeps parallel with the gate axis, avoid gyration in-process hoist 1 and gate to take place to rock to can ensure the automatic accurate positioning of gate and go into the groove, improve hoist and mount precision and hoist and mount efficiency, and the installation of whole gyration hoist is convenient.

Example 2

The pin member 18 is located between the movable pulley block 13 and the hook beam 16.

The rotary drive member 14 is located below the hook nut 15.

The embodiment is a preferred embodiment, the rotary driving member 14 is mounted on the lower hanger 21, and the grasping beam 19 is connected with the lower hanger 21, so that the movable pulley block 13 does not need to be wired independently, and the movable pulley block is directly wired by means of a terminal box of the grasping beam 19, the structural design is reasonable, and the mounting convenience of the whole rotary hanger is greatly improved.

The rotary driving part 14 is positioned below the lifting hook nut 15, and can better drive the grabbing beam 19 to synchronously rotate, so that smooth rotary operation of the grabbing beam 19 is realized.

Example 3

Referring to fig. 1-3, a rotary hoisting device comprises a hoisting device 1, a rotary platform 2, a pull rod 3, a pulley block 4, a rotary mechanism 6 installed below a portal frame 5, and a rotary machine room 7 installed on the rotary mechanism 6 through the rotary platform 2, wherein a hoisting mechanism 8 is installed in the rotary machine room 7, a steel wire rope 9 is wound on the hoisting mechanism 8, an arm support 10 is installed on the rotary machine room 7, the pulley block 4 is installed on the top of the arm support 10, one end of the pull rod 3 is hinged with the top of the portal frame 5, the other end of the pull rod 3 is hinged with the arm support 10, the hoisting device 1 comprises an upper hoisting frame 11, a pulley shaft 12, a movable pulley block 13, a pin penetrating piece 18, a hoisting head 17, a lower hoisting frame 21, a hoisting hook beam 16, a hoisting hook nut 15, a rotary driving piece 14 and a grabbing beam 19, the movable pulley block 13 is installed on the upper hoisting frame 11 through the pulley shaft 12, and the movable pulley block 13 and the pulley block 4 are wound and connected through the steel wire rope 9, the lifting head 17 is provided with a pin shaft hole, the lifting head 17 is fixed on the upper hanging bracket 11 through a pin penetrating piece 18, the lifting hook cross beam 16 penetrates through the lifting hook nut 15 and is installed on the lower hanging bracket 21, the lifting hook nut 15 is connected with the lifting head 17, a rotary bearing 20 is installed between the lifting hook cross beam 16 and the lifting hook nut 15, the rotary driving piece 14 is installed on the lower hanging bracket 21, and the grabbing beam 19 is connected with the lower hanging bracket 21.

The pin penetrating member 18 is positioned between the movable pulley block 13 and the hook beam 16.

The rotary drive member 14 is located below the hook nut 15.

The rotary drive member 14 is a rotary motor.

The pin penetrating piece 18 comprises a pin shaft 22, a sleeve 23, a nut 24, a screw rod 25 and a hand wheel 26, the screw rod 25 is arranged in the sleeve 23, one end of the screw rod 25 is fixedly connected with the hand wheel 26 outside the sleeve 23, the other end of the screw rod 25 is in threaded connection with the nut 24, one end of the pin shaft 22 is located in the sleeve 23 and is fixedly connected with the nut 24, and the nut 24 is located in the pin shaft 22.

In another preferred embodiment, the pin penetrating element 18 includes a pin 22, a sleeve 23, a nut 24, a lead screw 25 and a hand wheel 26, the lead screw 25 is disposed in the sleeve 23, one end of the lead screw 25 is fixedly connected to the hand wheel 26 outside the sleeve 23, the other end of the lead screw 25 is connected to the nut 24 through a thread, one end of the pin 22 is disposed in the sleeve 23 and is fixedly connected to the nut 24, the nut 24 is disposed in the pin 22, the lead screw 25 is driven to rotate by rotating the hand wheel 26, and the nut 24 and the pin 22 are driven to translate along the sleeve 23 by the rotation of the lead screw 25, so as to complete a pin penetrating or a pin releasing action.

Example 4

The rotary drive member 14 is located below the hook nut 15.

The rotary drive 14 is a rotary hydraulic cylinder.

The upper hanger 11 comprises a first upper hanger plate 27, a second upper hanger plate 28 and an upper hanger plate 29, wherein one end of the upper hanger plate 29 is vertically and fixedly connected with the first upper hanger plate 27, and the other end of the upper hanger plate 29 is vertically and fixedly connected with the second upper hanger plate 28.

In this embodiment, the upper hanger 11 includes a first upper hanger plate 27, a second upper hanger plate 28 and an upper hanger plate 29, one end of the upper hanger plate 29 is vertically and fixedly connected to the first upper hanger plate 27, and the other end of the upper hanger plate 29 is vertically and fixedly connected to the second upper hanger plate 28, so as to provide a good support for the movable pulley block 13 and ensure the reliability of the whole swing hanger.

Example 5

Referring to fig. 1-3, a rotary hoisting device comprises a hoisting device 1, a rotary platform 2, a pull rod 3, a pulley block 4, a rotary mechanism 6 arranged below a portal frame 5, and a rotary machine room 7 arranged on the rotary mechanism 6 through the rotary platform 2, wherein a hoisting mechanism 8 is arranged in the rotary machine room 7, a steel wire rope 9 is wound on the hoisting mechanism 8, an arm support 10 is arranged on the rotary machine room 7, the pulley block 4 is arranged on the top of the arm support 10, one end of the pull rod 3 is hinged with the top of the portal frame 5, the other end of the pull rod 3 is hinged with the arm support 10, the hoisting device 1 comprises an upper hoisting frame 11, a pulley shaft 12, a movable pulley block 13, a pin penetrating piece 18, a hoisting head 17, a lower hoisting frame 21, a hoisting hook beam 16, a hoisting nut 15, a rotary driving piece 14 and a grabbing beam 19, the movable pulley block 13 is arranged on the upper hoisting frame 11 through the pulley shaft 12, and the movable pulley block 13 and the pulley block 4 are connected through the steel wire rope 9 in a winding manner, the lifting head 17 is provided with a pin shaft hole, the lifting head 17 is fixed on the upper hanging bracket 11 through a pin penetrating piece 18, the lifting hook cross beam 16 penetrates through the lifting hook nut 15 and is installed on the lower hanging bracket 21, the lifting hook nut 15 is connected with the lifting head 17, a rotary bearing 20 is installed between the lifting hook cross beam 16 and the lifting hook nut 15, the rotary driving piece 14 is installed on the lower hanging bracket 21, and the grabbing beam 19 is connected with the lower hanging bracket 21.

The rotary drive member 14 is located below the hook nut 15.

The rotary drive 14 is a rotary hydraulic cylinder.

A pin shaft sleeve 31 is fixedly connected to the second upper hanging plate 28 of the upper hanging bracket 11, and the inner diameter of the pin shaft sleeve 31 is larger than the outer diameter of the pin shaft 22.

In this embodiment, a pin boss 31 is fixedly connected to the second upper hanger plate 28 of the upper hanger 11, and the inner diameter of the pin boss 31 is larger than the outer diameter of the pin 22, so that the pin 22 is screwed into the pin boss 31 during the pin insertion operation, thereby further improving the connection reliability.

Example 6

The rotary drive member 14 is located below the hook nut 15.

The rotary drive 14 is a rotary hydraulic cylinder.

The lower hanger 21 comprises a first lower hanger plate 30, a second lower hanger plate 32 and a lower transverse hanger plate 33, wherein one end of the lower transverse hanger plate 33 is vertically and fixedly connected with the first lower hanger plate 30, and the other end of the lower transverse hanger plate 33 is vertically and fixedly connected with the second lower hanger plate 32.

In the preferred embodiment, the lower hanger 21 includes a first lower hanger plate 30, a second lower hanger plate 32 and a lower horizontal hanger plate 33, one end of the lower horizontal hanger plate 33 is vertically and fixedly connected to the first lower hanger plate 30, and the other end of the lower horizontal hanger plate 33 is vertically and fixedly connected to the second lower hanger plate 32, which not only provides good support, but also has a simple structure.

The working principle of the invention is as follows:

the gantry crane arranged on the dam can walk along a track parallel to the door slot and the axis of the door garage. The rotary lifting device is arranged on the portal frame 5 of the portal crane, and the portal crane drives the rotary lifting device to move along the rail, so that the lifting device 1 and the gate can move along the axial direction of the gate slot; the rotary lifting device performs rotary motion to realize that the lifting device 1 and the gate move along the direction vertical to the track; the rotary driving piece 14 arranged on the lifting appliance 1 can counteract the deflection angle generated by the rotary lifting device in the rotary process by self-rotation, so that the gate is parallel to the axis of the gate slot; the lifting of the lifting appliance 1 is realized through the lifting mechanism 8, and the lifting appliance 1 is connected with the gate so as to realize the lifting of the gate; so, can realize the plane removal and the vertical lift of gate, can offset the declination that gyration in-process gate axis and gate groove axis produced again to realize the accurate location income groove of gate.

Specifically, the rotary driving member 14 rotates to drive the hook beam 16 and the grabbing beam 19 to synchronously rotate, so that the grabbing beam 19 is rotated. The synchronous reverse rotation of the rotary driving piece 14 driving the grabbing beam 19 is used for offsetting the deflection angle generated by the rotary hoisting device and the axis of the gate in the rotary process, so that the gate is hoisted in place and is parallel to the axis of the gate slot or the gate warehouse, the gate is accurately positioned and enters the slot, and the rotary hoisting device is prevented from shaking in the rotary hoisting process of the gate.

The working process of transporting the gate from the gate storeroom to the gate slot by adopting the invention is as follows:

a rotary motor in the rotary mechanism 6 drives a speed reducer to drive a rotary support to rotate, and further drives the arm support 10 to rotate along the axis of the rotary lifting device, so that the lifting device 1 is moved to the axis position for storing the gate storeroom; a rotary driving piece 14 in the lifting appliance 1 synchronously drives the grabbing beam 19 to rotate automatically, so that the axis of the grabbing beam 19 is always parallel to the axis of the door bank; the gantry crane drives a lifting appliance 1 of the rotary lifting device to move along the axis direction of the gantry garage, and the lifting appliance 1 is accurately moved to the central position of the gantry garage; a motor in the hoisting mechanism 8 drives a speed reducer to drive a winding drum to wind a steel wire rope 9, the lifting appliance 1 is placed to a lifting lug of the gate through a pulley block 4 and a movable pulley block 13, and the gate and the lifting appliance 1 are connected into a whole by starting a pin penetrating piece 18; a motor in the hoisting mechanism 8 drives a speed reducer to drive a winding drum to wind a steel wire rope 9, and the lifting appliance 1 and the gate are lifted out of a door warehouse; the swing mechanism 6 rotates to drive the lifting appliance 1 and the gate to move to the position of the axis of the gate slot, and in the process of lifting the gate, a rotary driving piece 14 of the lifting appliance 1 synchronously rotates reversely to offset the deflection angle and the shaking generated by rotating and lifting the gate, so that the axis of the gate is kept parallel to the axis of the gate slot; the gantry crane drives the lifting appliance 1 and the gate to move along the axis direction of the gate slot, and the gate is accurately moved to the center position of the gate slot; the lifting appliance 1 and the gate are lowered to the gate slot until the gate is in place; the pin penetrating piece 18 works to release the pin and release the gate, and the lifting sling 1 goes out of the gate slot to carry out the next working cycle.

Claims

1. The utility model provides a rotary lifting device, including hoist (1), rotary platform (2), pull rod (3), assembly pulley (4), install rotation mechanism (6) below portal (5) and install gyration computer lab (7) on rotation mechanism (6) through rotary platform (2), install hoisting mechanism (8) in gyration computer lab (7), it has wire rope (9) to coil on hoisting mechanism (8), install cantilever crane (10) on gyration computer lab (7), the top in cantilever crane (10) is installed in assembly pulley (4), the one end and portal (5) top of pull rod (3) are articulated, the other end and cantilever crane (10) of pull rod (3) are articulated, its characterized in that: the lifting appliance (1) comprises an upper lifting frame (11), a pulley shaft (12), a movable pulley block (13), a pin penetrating piece (18), a lifting head (17), a lower lifting frame (21), a lifting hook cross beam (16), a lifting hook nut (15), a rotary driving piece (14) and a grabbing beam (19), wherein the movable pulley block (13) is installed on the upper lifting frame (11) through the pulley shaft (12), the movable pulley block (13) and the pulley block (4) are connected in a winding mode through a steel wire rope (9), the lifting head (17) is provided with a pin shaft hole, the lifting head (17) is fixed on the upper lifting frame (11) through the pin penetrating piece (18), the lifting hook cross beam (16) penetrates through the lifting hook nut (15) and is installed on the lower lifting frame (21), the lifting hook nut (15) is connected with the lifting head (17), a rotary bearing (20) is installed between the lifting hook cross beam (16) and the lifting hook nut (15), and the rotary driving piece (14) is installed on the lower lifting frame (21), the grabbing beam (19) is connected with the lower hanging bracket (21).

2. A swing-hoisting device as claimed in claim 1, characterized in that: the pin penetrating piece (18) is positioned between the movable pulley block (13) and the hook cross beam (16).

3. A swing-hoisting device as claimed in claim 1, characterized in that: the rotary driving piece (14) is positioned below the lifting hook nut (15).

4. A swing-hoisting device as claimed in claim 1, characterized in that: the rotary driving part (14) is a rotary motor or a rotary hydraulic cylinder.

5. A swing-hoisting device as claimed in claim 1, characterized in that: wear round pin spare (18) including round pin axle (22), sleeve (23), nut (24), lead screw (25) and hand wheel (26), lead screw (25) set up in sleeve (23), the outer hand wheel (26) fixed connection of one end and sleeve (23) of lead screw (25), the other end and the nut (24) of lead screw (25) pass through threaded connection, the one end of round pin axle (22) be located sleeve (23) and with nut (24) fixed connection, nut (24) are located round pin axle (22).

6. A swing-hoisting device as claimed in claim 1, characterized in that: the upper hanger (11) comprises a first upper hanger plate (27), a second upper hanger plate (28) and an upper transverse hanger plate (29), one end of the upper transverse hanger plate (29) is vertically and fixedly connected with the first upper hanger plate (27), and the other end of the upper transverse hanger plate (29) is vertically and fixedly connected with the second upper hanger plate (28).

7. A swing-hoisting device according to claim 6, characterized in that: a pin shaft sleeve (31) is fixedly connected to the second upper hanging plate (28) of the upper hanging bracket (11), and the inner diameter of the pin shaft sleeve (31) is larger than the outer diameter of the pin shaft (22).

8. A swing-hoisting device as claimed in claim 1, characterized in that: the lower hanging bracket (21) comprises a first lower hanging plate (30), a second lower hanging plate (32) and a lower transverse hanging plate (33), one end of the lower transverse hanging plate (33) is vertically and fixedly connected with the first lower hanging plate (30), and the other end of the lower transverse hanging plate (33) is vertically and fixedly connected with the second lower hanging plate (32).