CN113184659B - Using method of anti-falling pulley block device in vertical slideway installation - Google Patents
Using method of anti-falling pulley block device in vertical slideway installation Download PDFInfo
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- CN113184659B CN113184659B CN202110351267.5A CN202110351267A CN113184659B CN 113184659 B CN113184659 B CN 113184659B CN 202110351267 A CN202110351267 A CN 202110351267A CN 113184659 B CN113184659 B CN 113184659B
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- lifting platform
- pin shaft
- pulley block
- vertical slideway
- cantilever beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention relates to an anti-falling pulley block device; the device is characterized by comprising a rotating pin shaft (2), a cantilever beam (3), a pulley block (4) and a locking block (5); the rotary pin shaft (2) is of a cylindrical structure, and a locking block (5) is welded on the rotary pin shaft (2); one end of the cantilever beam (3) is welded on the rotating pin shaft (2), the middle part of the cantilever beam is provided with a pulley block (4), the other end of the cantilever beam is of a horizontal structure, and the cantilever beam (3) can rotate around the rotating pin shaft (2); the pulley block (4) is arranged on a support in the middle of the cantilever beam (3) and is connected and fixed by bolts; the locking block (5) is of a triangular structure. The novel anti-falling pulley block device provided by the invention is arranged in a cantilever beam and has the function of rotating around a rotating pin shaft, and the locking of a lifting platform is realized by driving a locking block arranged on the rotating pin shaft to extend out or retract. The device is simple to operate and high in reliability when being applied to the installation of the vertical slideway, and is favorable for improving the installation efficiency of the vertical slideway.
Description
Technical Field
The invention relates to the technical field of installation of continuous casting equipment, in particular to a using method of an anti-falling pulley block device in vertical slideway installation.
Background
The novel vertical continuous casting machine light-pressure module is vertically arranged in an underground foundation pit, the replacement is carried out by adopting a lifting platform, and the lifting platform can run on a vertical slide arranged on the side wall of the foundation pit. In the installation and construction process of the vertical slideway, because the fall of the installation position is large, the vertical lifting platform is matched with the vertical slideway to be installed by using the winch positioned above, which is a relatively quick construction method, but how to reliably fix the lifting platform in the operation process, and the installation technical problem which is urgently needed to be solved is provided for the installation of the vertical slideway.
Disclosure of Invention
The invention aims to overcome the defects and provides a using method of an anti-falling pulley block device in vertical slideway installation.
In order to achieve the above object, the present invention is realized by:
an anti-falling pulley block device for mounting a vertical slideway comprises a rotary pin shaft (2), a cantilever beam (3), a pulley block (4) and a locking block (5); the rotary pin shaft (2) is of a cylindrical structure, and a locking block (5) is welded on the rotary pin shaft (2); one end of the cantilever beam (3) is welded on the rotating pin shaft (2), the middle part of the cantilever beam is provided with a pulley block (4), the other end of the cantilever beam is of a horizontal structure, and the cantilever beam (3) can rotate around the rotating pin shaft (2); the pulley block (4) is arranged on a support in the middle of the cantilever beam (3) and is connected and fixed by bolts; the locking block (5) is of a triangular structure.
The method for installing the vertical slideway by the anti-falling pulley block device comprises
the locking block (5) is penetrated on the rotating pin shaft (2) and welded together for fixing, then the cantilever beam (3) is penetrated on the rotating pin shaft (2) and welded and fixed, and the pulley block (3) is arranged on a support in the middle of the cantilever beam (3);
and pin shaft fixing seats (7) are welded at two ends of a lifting platform cross beam (6), and the assembled anti-falling pulley block device (1) is installed in the pin shaft fixing seats (7) and fixed. A horizontal limiting beam (8) is arranged in the middle of the lifting platform cross beam (6), and the horizontal limiting beam (8) is welded on the lifting platform cross beam (6) in a rectangular beam structure;
A steel wire rope put down by a winch above a lifting platform (9) is wound on a pulley block (4), the winch is lifted upwards to enable one end of a cantilever beam (3) to be in contact with a horizontal limiting beam (8), when an anti-falling pulley block device (1) is in a horizontal state, a locking block (5) on a rotating pin shaft (2) is in a withdrawing state and is not in contact with a vertical slideway (10), and the lifting platform (9) can move up and down along the vertical slideway (10) under the lifting of the winch;
step 4, fixing the lifting platform (9)
In the process of installing the vertical slideway (10) by using the lifting platform (9), lifting points are arranged on the installed vertical slideway (10) and are respectively lifted at four corners of the lifting platform (9) by adopting a chain block, so that the acting force of the chain block is gradually greater than the force of a winch acting on the anti-falling pulley block device (1) to lift the lifting platform (9), when a steel wire rope on the pulley block (4) is not stressed any more, the winch moves towards the falling direction of the lifting platform (9), the anti-falling pulley block device (1) is not stressed any more, the anti-falling pulley block device is made to fall downwards under the action of self weight, the rotating pin shaft (2) is driven to rotate in the downward movement process, and the locking block (5) extends out to be clamped in a locking groove (11) of the vertical slideway (10) to fix the lifting platform (9) on the vertical slideway (10). When the lifting platform (9) needs to be moved upwards after the vertical slideway (10) is installed, the lifting platform (9) is lifted by using a chain block, the winch moves towards the ascending direction of the lifting platform (9), the rotating pin shaft (2) is driven to rotate simultaneously in the contact process of the cantilever beam (3) of the anti-falling pulley block device (1) and the horizontal limiting beam (8) in the lifting platform cross beam (6) gradually, the locking block (5) is retracted and separated from the vertical slideway (10), the lifting platform (9) can move upwards under the lifting of the winch, and the next section of vertical slideway (10) is installed.
The novel anti-falling pulley block device provided by the invention is arranged in a cantilever beam and has the function of rotating around a rotating pin shaft, and the locking of a lifting platform is realized by driving a locking block arranged on the rotating pin shaft to extend out or retract. The device is simple to operate and high in reliability when being applied to the installation of the vertical slideway, and is favorable for improving the installation efficiency of the vertical slideway.
Drawings
Fig. 1 is a schematic view of a fall arrest block assembly device.
Fig. 2 is a schematic diagram of the anti-falling pulley block device installed on a cross beam of the lifting platform.
Fig. 3 is a schematic view of a lifting platform fixed to a vertical slideway by a fall prevention pulley block device.
In the figure: the anti-falling pulley block device comprises an anti-falling pulley block device (1), a rotary pin shaft (2), a cantilever beam (3), a pulley block (4), a locking block (5), a lifting platform cross beam (6), a pin shaft fixing seat (7), a horizontal limiting beam (8), a lifting platform (9), a vertical slideway (10) and a locking groove (11).
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1 to 3, the anti-falling pulley block device for mounting the vertical slideway comprises a rotary pin shaft (2), a cantilever beam (3), a pulley block (4) and a locking block (5); the rotary pin shaft (2) is of a cylindrical structure, and a locking block (5) is welded on the rotary pin shaft (2); one end of the cantilever beam (3) is welded on the rotating pin shaft (2), the middle part of the cantilever beam is provided with a pulley block (4), the other end of the cantilever beam is of a horizontal structure, and the cantilever beam (3) can rotate around the rotating pin shaft (2); the pulley block (4) is arranged on a support in the middle of the cantilever beam (3) and is connected and fixed by bolts; the locking block (5) is of a triangular structure.
The method for installing the vertical slideway by the anti-falling pulley block device comprises
the locking block (5) is penetrated on the rotating pin shaft (2) and welded together for fixing, then the cantilever beam (3) is penetrated on the rotating pin shaft (2) and welded and fixed, and the pulley block (3) is arranged on a support in the middle of the cantilever beam (3);
and pin shaft fixing seats (7) are welded at two ends of a lifting platform cross beam (6), and the assembled anti-falling pulley block device (1) is installed in the pin shaft fixing seats (7) and is fixed. A horizontal limiting beam (8) is arranged in the middle of the lifting platform cross beam (6), and the horizontal limiting beam (8) is a rectangular beam structure and welded on the lifting platform cross beam (6);
A steel wire rope put down by a winch above a lifting platform (9) is wound on a pulley block (4), the winch is lifted upwards to enable one end of a cantilever beam (3) to be in contact with a horizontal limiting beam (8), when an anti-falling pulley block device (1) is in a horizontal state, a locking block (5) on a rotating pin shaft (2) is in a withdrawing state and is not in contact with a vertical slideway (10), and the lifting platform (9) can move up and down along the vertical slideway (10) under the lifting of the winch;
step 4, fixing the lifting platform (9)
In the process of installing the vertical slideway (10) by using the lifting platform (9), lifting points are arranged on the installed vertical slideway (10) and are respectively lifted at four corners of the lifting platform (9) by adopting a chain block, so that the acting force of the chain block is gradually greater than the force of a winch acting on the anti-falling pulley block device (1) to lift the lifting platform (9), when a steel wire rope on the pulley block (4) is not stressed any more, the winch moves towards the falling direction of the lifting platform (9), the anti-falling pulley block device (1) is not stressed any more, the anti-falling pulley block device is made to fall downwards under the action of self weight, the rotating pin shaft (2) is driven to rotate in the downward movement process, and the locking block (5) extends out to be clamped in a locking groove (11) of the vertical slideway (10) to fix the lifting platform (9) on the vertical slideway (10). When the lifting platform (9) needs to be moved upwards after the vertical slideway (10) is installed, the lifting platform (9) is lifted by using a chain block, so that the winch moves towards the ascending direction of the lifting platform (9), the rotating pin shaft (2) is driven to rotate simultaneously in the process that the cantilever beam (3) of the anti-falling pulley block device (1) gradually contacts with the horizontal limiting beam (8) in the transverse beam (6) of the lifting platform, the locking block (5) is retracted and is separated from the vertical slideway (10), the lifting platform (9) can move upwards under the lifting of the winch, and the next section of vertical slideway (10) is installed.
The novel anti-falling pulley block device provided by the invention is arranged in a cantilever beam and has the function of rotating around a rotating pin shaft, and the locking of a lifting platform is realized by driving a locking block arranged on the rotating pin shaft to extend out or retract. The device is simple to operate and high in reliability when being applied to the installation of the vertical slideway, and is favorable for improving the installation efficiency of the vertical slideway.
Claims (1)
1. An anti-falling pulley block device for mounting a vertical slideway comprises a rotary pin shaft (2), a cantilever beam (3), a pulley block (4) and a locking block (5); the rotary pin shaft (2) is of a cylindrical structure, and a locking block (5) is welded on the rotary pin shaft (2); one end of the cantilever beam (3) is welded on the rotating pin shaft (2), the middle part of the cantilever beam is provided with a pulley block (4), the other end of the cantilever beam is of a horizontal structure, and the cantilever beam (3) can rotate around the rotating pin shaft (2); the pulley block (4) is arranged on a support in the middle of the cantilever beam (3) and is connected and fixed by bolts; the locking block (5) is of a triangular structure; the method is characterized in that: the application method comprises
Step 1, installing an anti-falling pulley block device (1):
the locking block (5) is penetrated on the rotating pin shaft (2) and welded together for fixing, then the cantilever beam (3) is penetrated on the rotating pin shaft (2) and welded and fixed, and the pulley block (3) is arranged on a support in the middle of the cantilever beam (3);
step 2, assembling a lifting platform beam (6):
pin shaft fixing seats (7) are welded at two ends of a lifting platform cross beam (6), and the assembled anti-falling pulley block device (1) is installed in the pin shaft fixing seats (7) and fixed;
a horizontal limiting beam (8) is arranged in the middle of the lifting platform cross beam (6), and the horizontal limiting beam (8) is a rectangular beam structure and welded on the lifting platform cross beam (6);
step 3, lifting the lifting platform (9)
A steel wire rope put down by a winch above a lifting platform (9) is wound on a pulley block (4), the winch is lifted upwards to enable one end of a cantilever beam (3) to be in contact with a horizontal limiting beam (8), when an anti-falling pulley block device (1) is in a horizontal state, a locking block (5) on a rotating pin shaft (2) is in a withdrawing state and is not in contact with a vertical slideway (10), and the lifting platform (9) can move up and down along the vertical slideway (10) under the lifting of the winch;
step 4, fixing the lifting platform (9)
In the process of installing the vertical slideway (10) by using the lifting platform (9), lifting points are arranged on the installed vertical slideway (10) and are respectively lifted at four corners of the lifting platform (9) by adopting a chain block, so that the acting force of the chain block is gradually greater than the force of a winch acting on the anti-falling pulley block device (1) to lift the lifting platform (9), when a steel wire rope on the pulley block (4) is not stressed any more, the winch moves towards the falling direction of the lifting platform (9), the anti-falling pulley block device (1) is not stressed any more, the anti-falling pulley block device is made to fall downwards under the action of self weight, and the rotating pin shaft (2) is driven to rotate in the downward movement process, so that the locking block (5) extends out and is clamped in a locking groove (11) of the vertical slideway (10) to fix the lifting platform (9) on the vertical slideway (10);
when the lifting platform (9) needs to be moved upwards after the vertical slideway (10) is installed, the lifting platform (9) is lifted by using a chain block, the winch moves towards the ascending direction of the lifting platform (9), the rotating pin shaft (2) is driven to rotate simultaneously in the contact process of the cantilever beam (3) of the anti-falling pulley block device (1) and the horizontal limiting beam (8) in the lifting platform cross beam (6) gradually, the locking block (5) is retracted and separated from the vertical slideway (10), the lifting platform (9) can move upwards under the lifting of the winch, and the next section of vertical slideway (10) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351267.5A CN113184659B (en) | 2021-04-01 | 2021-04-01 | Using method of anti-falling pulley block device in vertical slideway installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351267.5A CN113184659B (en) | 2021-04-01 | 2021-04-01 | Using method of anti-falling pulley block device in vertical slideway installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113184659A CN113184659A (en) | 2021-07-30 |
| CN113184659B true CN113184659B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110351267.5A Active CN113184659B (en) | 2021-04-01 | 2021-04-01 | Using method of anti-falling pulley block device in vertical slideway installation |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3188366U (en) * | 2013-10-31 | 2014-01-16 | 日整工業有限会社 | Fall prevention device |
| CN205023649U (en) * | 2015-06-26 | 2016-02-10 | 成都思源兄弟科技有限公司 | Balancing point formula prevents weighing down breaker |
| CN205591530U (en) * | 2016-04-14 | 2016-09-21 | 深圳市龙柏建筑装备有限公司 | Prevent weighing down direction support |
| CN108249373B (en) * | 2017-12-29 | 2023-08-11 | 上海建工集团股份有限公司 | Spring-in type rack locking device and application method thereof |
| CN210286565U (en) * | 2019-07-04 | 2020-04-10 | 浦江恒全五金制品有限公司 | Steel rope self-locking device of lifting clothes hanger |
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| CN113184659A (en) | 2021-07-30 |
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