CN210685335U - Falling protector attached to lifting scaffold - Google Patents
Falling protector attached to lifting scaffold Download PDFInfo
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- CN210685335U CN210685335U CN201921463839.3U CN201921463839U CN210685335U CN 210685335 U CN210685335 U CN 210685335U CN 201921463839 U CN201921463839 U CN 201921463839U CN 210685335 U CN210685335 U CN 210685335U
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- shifting block
- lifting scaffold
- block
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Abstract
The utility model provides an attached lifting scaffold falling protector, belongs to construction protection technical field, installs in the building structure outside, including direction support, leading wheel subassembly, prevent weighing down big shifting block, prevent weighing down little shifting block, extension spring, dustproof separation blade, fixed block reset. The front end of the guide support is provided with a guide wheel component, the anti-falling large shifting block is arranged on the guide support, the front end is provided with an anti-falling small shifting block, and the rear end of the upper part is provided with a reset tension spring. In a normal working state, the anti-falling large shifting block is tensioned by the reset tension spring, and the anti-falling small shifting block is in a natural drooping state. When the attached lifting scaffold rises, the anti-falling small shifting block rotates anticlockwise, and the anti-falling large shifting block is static; when the falling prevention device descends normally, the falling prevention small shifting block drives the falling prevention large shifting block to rotate in a small range. When the falling prevention device falls abnormally, the falling prevention small shifting block drives the falling prevention large shifting block to rotate in a large angle, the top end of the falling prevention large shifting block is clamped into the stop grid, and meanwhile, the fixed block prevents the falling prevention large shifting block from continuing to rotate. The utility model discloses simple structure can solve the anti-falling problem of lifting scaffold when the improper falls.
Description
Technical Field
The utility model belongs to the technical field of the construction protection, a anti-falling device who adheres to lifting foot hand rack usefulness is related to, especially relate to an adhere to lifting foot rack safety hook.
Background
At present, in the process of constructing a main structure of a high-rise building and a super high-rise building, an attached lifting scaffold is mostly adopted as an outer protective frame, only 3-5 standard building layers are needed for building height once, and materials are saved. The attached lifting scaffold is provided with climbing power, can climb along the outer wall of a building, and does not need to occupy a tower crane. The method is widely applied due to good economical efficiency and high efficiency.
Adhere to lifting scaffold and adhere to at the building outer wall, adopt electric block for promoting power, the twisted chain appears in the electric block chain easily in the promotion process, turns over the chain, smugglies the phenomenon of debris secretly in the chain, can lead to the chain fracture, adheres to lifting scaffold and appears the dangerous emergence of falling. When the hook connects the hoisting steel wire rope under the electric hoist, the steel wire rope can also lead to the appearance of falling of adhering to the lifting scaffold because of phenomena such as fatigue strand breaking, unhooking and the like.
In order to effectively prevent the attached lifting scaffold from falling, anti-falling devices are required to be installed at the positions of the wall-attached support and the guide rail of the frame body, and when the frame body falls, the anti-falling devices can be triggered to effectively lock and intercept the frame body, so that the falling accident is avoided. The traditional anti-falling device has a complex structure and is not easy to process and produce.
SUMMERY OF THE UTILITY MODEL
In order to improve the construction safety, a novel practical anti-falling device and a using method thereof can be adopted, and the problem of locking of abnormal falling of the lifting scaffold is effectively solved.
In order to achieve the above object, the utility model discloses a technical scheme be:
an attached lifting scaffold falling protector is installed on the outer side of a building structure and acts on an attached lifting scaffold guide rail 6 to realize the function of guiding and falling prevention. It adheres to lifting scaffold body to adhere to the installation on lifting scaffold guide rail 6, adheres to and is equipped with guide rail check 6a between lifting scaffold guide rail 6's the perpendicular channel-section steel 6b at equidistant. The falling protector of the attached lifting scaffold comprises a guide support 1, a guide wheel assembly 2, a falling prevention large shifting block 3, a falling prevention small shifting block 4, a reset tension spring 5, a dustproof blocking piece 7 and a fixed block 8.
The front end of the guide support 1 is provided with a plate-shaped structure, and the plate-shaped structure is provided with a fixed block 8, a hole 9 and a hole 10. The fixed block 8 is arranged at the rear side below the plate-shaped structure and used for limiting the anti-falling large shifting block 3 to rotate clockwise to the maximum extent; the hole 9 is arranged above the plate-shaped structure and is used for connecting a supporting device; the hole 10 is arranged at the front side below the plate-shaped structure and is used for connecting the anti-falling large shifting block 3. The front end of the guide support 1 is provided with a guide wheel assembly 2 through a bolt, the guide wheel assembly 2 is connected with an attached lifting scaffold body, and the attached lifting scaffold body can slide up and down along the guide wheel assembly 2 under the action of stress; the rear end of the guide support 1 is installed on the outer side of the building structure through a bolt.
The dustproof baffle 7 is arranged in the front end plate-shaped structure of the guide support 1, and the welding position of the dustproof baffle is outside the maximum movable range of the anti-falling large shifting block 3 and the bottom of the supporting device, so that the normal work of the anti-falling device is not influenced. The anti-falling device is used for preventing slurry and other impurities falling into the anti-falling device during construction, and normal work of the anti-falling device is guaranteed.
The anti-falling large shifting block 3 is of an irregular structure, the middle part of the anti-falling large shifting block is of a similar circular structure, a central through hole of the similar circular structure is connected with a hole 10 in a front end plate-shaped structure of the guide support 1 through a pin shaft, and the anti-falling large shifting block 3 can rotate relatively along the pin shaft. The front end, the upper end and the lower end of the anti-falling large shifting block 3 are respectively provided with a protruding structure, and the rear end of the anti-falling large shifting block 3 is provided with a fixed block 8. Prevent weighing down 3 front end protrusive structure tip of big shifting block and prevent weighing down little shifting block 4 and be connected through the pivot, prevent weighing down little shifting block 4 and can rotate along the pivot, when the rising of attached lift scaffold guide rail 6 descends, guide rail check block 6a can stir and prevent weighing down little shifting block 4, and then makes the safety hook reach corresponding state. A notch is arranged at the end part of the projecting structure at the upper part of the anti-falling large shifting block 3, and the notch can be clamped into a guide rail block 6a attached to a lifting scaffold guide rail which descends abnormally in the braking process of the anti-falling device, so that the abnormal descending is prevented; the rear end of the upper protruding structure is fixedly connected with a reset tension spring 5, the reset tension spring 5 is fixed on the front end plate-shaped structure of the guide support 1, and the reset tension spring 5 is used for enabling the anti-falling large shifting block 3 to reset in time. When the anti-falling large shifting block 3 rotates clockwise for a certain angle, the lower protruding structure is contacted with the fixed block 8, and the fixed block 8 is used for preventing the anti-falling large shifting block 3 from continuing to rotate.
When the guide wheel assembly 2 is installed, a groove in the channel steel 6b attached to the lifting scaffold guide rail 6 is embedded, and under the driving effect, the sliding effect is achieved.
The use method of the attached lifting scaffold falling protector comprises the following steps:
adhere to lifting scaffold safety hook and install in the building structure outside, adhere to the lifting scaffold support body and install on adhering to lifting scaffold guide rail 6, adhere to the lifting scaffold support body and can follow leading wheel subassembly 2 and slide from top to bottom, realize the lift operation.
When the falling protector of the attached lifting scaffold is in a normal working state, the falling prevention large shifting block 3 is tensioned by the reset tension spring 5, and the falling prevention small shifting block 4 is in a natural drooping state.
When the attached lifting scaffold ascends, the anti-falling small shifting block 4 rotates anticlockwise under the action of the guide rail block 6a, meanwhile, the anti-falling large shifting block 3 is in a static state, and the anti-falling small shifting block 4 automatically resets under the action of gravity every time when passing through one guide rail block 6a and restores to a natural state. This process is repeated as long as the attached lifting scaffold is normally raised.
When the attached lifting scaffold descends, the anti-falling small shifting block 4 rotates clockwise under the action of the guide rail block 6a, meanwhile, the anti-falling large shifting block 3 is driven to rotate clockwise in a small amplitude, and the top end of the anti-falling large shifting block 3 has a certain distance from the guide rail block 6a when the anti-falling large shifting block rotates clockwise in a small amplitude. Every time the anti-falling large shifting block 3 passes through one guide rail stop grid 6a, the anti-falling large shifting block is quickly and automatically reset under the action of the reset tension spring 5, and the anti-falling small shifting block 4 is automatically reset under the action of gravity and is restored to a natural state. This process is repeated as the attached lifting scaffold is normally lowered.
When the descending speed of the attached lifting scaffold exceeds a normal value, the guide rail blocking grids 6a increase the downward acting force of the anti-falling small shifting block 4, so that the anti-falling small shifting block rapidly rotates in a large-angle clockwise mode, meanwhile, the anti-falling large shifting block 3 is driven to rapidly rotate in a large-angle clockwise mode, a notch at the top end of the anti-falling large shifting block 3 is timely clamped under the blocking grids 6a of the guide rail of the attached lifting scaffold which abnormally descends, and the fixed block 8 prevents the anti-falling large shifting block 3 from continuously rotating in the clockwise mode, so that the attached lifting scaffold.
Compare with current attached lifting scaffold safety hook, the beneficial effects of the utility model are that:
(1) the utility model discloses an anti-falling device simple structure, easily production.
(2) The structure is small and exquisite, compact, and the debris that the dustproof separation blade of cooperation can effectually prevent civil engineering from polluting, and can effectively solve the lift scaffold and prevent weighing down the problem when the improper falls.
Drawings
FIG. 1 is a front view of a large anti-falling shifting block;
FIG. 2 is a semi-sectional side view of the anti-falling large shifting block;
FIG. 3 is a front view of the guide support;
FIG. 4 is a front view of the guide wheel assembly;
fig. 5 is a working condition diagram (free state) of the anti-falling device of the utility model;
FIG. 6 is a view of the working condition of the fall protection device;
FIG. 7 is a view of the falling operation condition of the fall protection device of the present invention;
FIG. 8 is a diagram of the braking condition of the fall protection device of the present invention;
fig. 9(a) is a front view of the rail structure of the attached lifting scaffold of the present invention;
FIG. 9(b) is a side view of the attached lifting scaffold rail structure of the present invention;
fig. 10 is a connection diagram of the fall-preventing device of the present invention with the supporting device in a free state.
In the figure: 1, a guide support; 2, a guide wheel assembly; 3, anti-falling large shifting blocks; 4, anti-falling small shifting blocks; 5, a reset tension spring; 6 attaching a lifting scaffold guide rail; 7, a dustproof baffle plate; 8, fixing blocks; 9 holes; 10 holes; 11 lifters; 6a guide rail block; 6b channel steel.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
An attached lifting scaffold falling protector is installed on the outer side of a building structure and acts on an attached lifting scaffold guide rail 6 to realize the function of guiding and falling prevention. It adheres to lifting scaffold body to adhere to the installation on lifting scaffold guide rail 6, adheres to and is equipped with guide rail check 6a between lifting scaffold guide rail 6's the perpendicular channel-section steel 6b at equidistant. The falling protector of the attached lifting scaffold comprises a guide support 1, a guide wheel assembly 2, a falling prevention large shifting block 3, a falling prevention small shifting block 4, a reset tension spring 5, a dustproof blocking piece 7 and a fixed block 8.
The front end of the guide support 1 is provided with a plate-shaped structure, and the plate-shaped structure is provided with a fixed block 8, a hole 9 and a hole 10. The fixed block 8 is arranged at the rear side below the plate-shaped structure and used for limiting the anti-falling large shifting block 3 to rotate clockwise to the maximum extent; the hole 9 is arranged above the plate-shaped structure and is used for connecting a supporting device; the hole 10 is arranged at the front side below the plate-shaped structure and is used for connecting the anti-falling large shifting block 3. The front end of the guide support 1 is provided with a guide wheel assembly 2 through a bolt, the guide wheel assembly 2 is connected with an attached lifting scaffold body, and the attached lifting scaffold body can slide up and down along the guide wheel assembly 2 under the action of stress; the rear end of the guide support 1 is installed on the outer side of the building structure through a bolt.
The dustproof baffle 7 is arranged in the front end plate-shaped structure of the guide support 1, and the welding position of the dustproof baffle is outside the maximum movable range of the anti-falling large shifting block 3 and the bottom of the supporting device, so that the normal work of the anti-falling device is not influenced. The anti-falling device is used for preventing slurry and other impurities falling into the anti-falling device during construction, and normal work of the anti-falling device is guaranteed.
The anti-falling large shifting block 3 is of an irregular structure, the middle part of the anti-falling large shifting block is of a similar circular structure, a central through hole of the similar circular structure is connected with a hole 10 in a front end plate-shaped structure of the guide support 1 through a pin shaft, and the anti-falling large shifting block 3 can rotate relatively along the pin shaft. The front end, the upper end and the lower end of the anti-falling large shifting block 3 are respectively provided with a protruding structure, and the rear end of the anti-falling large shifting block 3 is provided with a fixed block 8. Prevent weighing down 3 front end protrusive structure tip of big shifting block and prevent weighing down little shifting block 4 and be connected through the pivot, prevent weighing down little shifting block 4 and can rotate along the pivot, when the rising of attached lift scaffold guide rail 6 descends, guide rail check block 6a can stir and prevent weighing down little shifting block 4, and then makes the safety hook reach corresponding state. A notch is arranged at the end part of the projecting structure at the upper part of the anti-falling large shifting block 3, and the notch can be clamped into a guide rail block 6a attached to a lifting scaffold guide rail which descends abnormally in the braking process of the anti-falling device, so that the abnormal descending is prevented; the rear end of the upper protruding structure is fixedly connected with a reset tension spring 5, the reset tension spring 5 is fixed on the front end plate-shaped structure of the guide support 1, and the reset tension spring 5 is used for enabling the anti-falling large shifting block 3 to reset in time. When the anti-falling large shifting block 3 rotates clockwise for a certain angle, the lower protruding structure is contacted with the fixed block 8, and the fixed block 8 is used for preventing the anti-falling large shifting block 3 from continuing to rotate.
When the guide wheel assembly 2 is installed, a groove in the channel steel 6b attached to the lifting scaffold guide rail 6 is embedded, and under the driving effect, the sliding effect is achieved.
The use method of the attached lifting scaffold falling protector comprises the following steps:
the utility model discloses install in the building structure outside, adhere to the lifting foot hand rack support body and install on the guide rail, the support body slides from top to bottom along leading wheel subassembly 2 under the electric block pulling force of hanging under the hanging beam through hanging hoisting point, wire rope, floorbar movable pulley, the support body on the building, realizes the lift operation. As shown in figure 5, in a normal working state, the anti-falling large shifting block 3 is tensioned by the reset tension spring 5, and the anti-falling small shifting block 4 is in a natural drooping state.
When the attached lifting scaffold ascends, the anti-falling small shifting block 4 rotates anticlockwise under the action of the guide rail block 6a, meanwhile, the anti-falling large shifting block 3 is in a static state, and the anti-falling small shifting block 4 automatically resets under the action of gravity every time when passing through one guide rail block 6a and restores to a natural state. This process is repeated as long as the attached lifting scaffold is normally raised, as shown in fig. 6.
When the attached lifting scaffold descends, the anti-falling small shifting block 4 rotates clockwise under the action of the guide rail block 6a, meanwhile, the anti-falling large shifting block 3 is driven to rotate clockwise in a small amplitude, and the top end of the anti-falling large shifting block 3 has a certain distance from the guide rail block 6a when the anti-falling large shifting block rotates clockwise in a small amplitude. Every time the anti-falling large shifting block 3 passes through one guide rail stop grid 6a, the anti-falling large shifting block is quickly and automatically reset under the action of the reset tension spring 5, and the anti-falling small shifting block 4 is automatically reset under the action of gravity and is restored to a natural state. This process is repeated as the attached lifting scaffold is normally lowered, as shown in fig. 7.
When the descending speed of the attached lifting scaffold exceeds a normal value, the downward acting force of the anti-falling small shifting block 4 is increased by the guide rail blocking grids 6a, so that the anti-falling small shifting block can rotate clockwise at a large angle rapidly, meanwhile, the anti-falling large shifting block 3 can be driven to rotate clockwise at a large angle rapidly, the notch at the top end of the anti-falling large shifting block 3 can be clamped into the blocking grids 6a of the guide rail of the attached lifting scaffold which does not normally descend in time, and the fixed block 8 can prevent the anti-falling large shifting block 3 from rotating clockwise continuously, so that the attached lifting scaffold is prevented from.
The above-mentioned embodiments only represent the embodiments of the present invention, but can not be understood as the limitation of the scope of the present invention, and it should be noted that, for those skilled in the art, a plurality of variations and improvements can be made without departing from the concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (1)
1. An attached lifting scaffold falling protector is arranged outside a building structure and acts on an attached lifting scaffold guide rail (6) to realize a guiding falling prevention function; an attached lifting scaffold frame body is installed on the attached lifting scaffold guide rail (6), and guide rail blocks (6a) are arranged between vertical channel steel (6b) of the attached lifting scaffold guide rail (6) at equal intervals; the anti-falling device for the attached lifting scaffold is characterized by comprising a guide support (1), a guide wheel assembly (2), an anti-falling large shifting block (3), an anti-falling small shifting block (4), a reset tension spring (5), a dustproof blocking piece (7) and a fixed block (8);
the front end of the guide support (1) is provided with a plate-shaped structure, and the plate-shaped structure is provided with a fixed block (8), a hole (9) and a hole (10); the fixed block (8) is arranged on the rear side below the plate-shaped structure; the hole (9) is arranged above the plate-shaped structure and is used for connecting the supporting device; the hole (10) is arranged at the front side below the plate-shaped structure and is used for connecting the anti-falling large shifting block (3); the front end of the guide support (1) is provided with a guide wheel assembly (2), the guide wheel assembly (2) is connected with an attached lifting scaffold body, and the attached lifting scaffold body can slide up and down along the guide wheel assembly (2) under the action of force; the rear end of the guide support (1) is arranged outside the building structure;
the dustproof blocking piece (7) is arranged in the front end plate-shaped structure of the guide support (1), and the welding position of the dustproof blocking piece is outside the maximum moving range of the anti-falling large shifting block (3) and the bottom of the supporting device, so that the work of the anti-falling device is not influenced;
the anti-falling large shifting block (3) is of an irregular structure, the middle part of the anti-falling large shifting block is of a similar circular structure, a through hole in the center of the similar circular structure is connected with the hole (10) through a pin shaft, and the anti-falling large shifting block (3) can rotate relatively along the pin shaft; the front end, the upper end and the lower end of the anti-falling large shifting block (3) are respectively provided with a protruding structure, and the rear end of the anti-falling large shifting block (3) is provided with a fixed block (8); the end part of the structure protruding out of the front end of the anti-falling large shifting block (3) is connected with the anti-falling small shifting block (4) through a rotating shaft, the anti-falling small shifting block (4) can rotate along the rotating shaft, and when the guide rail (6) attached to the lifting scaffold ascends and descends, the guide rail block (6a) shifts the anti-falling small shifting block (4) to enable the anti-falling device to reach a corresponding state; a notch is arranged at the end part of the protruding structure at the upper part of the anti-falling large shifting block (3), and a guide rail block (6a) which is attached to a guide rail of a lifting scaffold and descends abnormally can be clamped into the notch in the braking process of the anti-falling device, so that the anti-falling device is prevented from descending abnormally; the rear end of the upper protruding structure is fixedly connected with a reset tension spring (5), and the reset tension spring (5) is fixed on the plate-shaped structure of the guide support (1) and used for enabling the anti-falling large shifting block (3) to reset in time; when the anti-falling large shifting block (3) rotates clockwise for a certain angle, the lower protruding structure is contacted with the fixed block (8), and the fixed block (8) is used for preventing the anti-falling large shifting block (3) from continuing to rotate;
when the guide wheel assembly (2) is installed, a groove in the channel steel (6b) attached to the lifting scaffold guide rail (6) is embedded, and the guide wheel assembly plays a role in sliding under the transmission effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921463839.3U CN210685335U (en) | 2019-09-04 | 2019-09-04 | Falling protector attached to lifting scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921463839.3U CN210685335U (en) | 2019-09-04 | 2019-09-04 | Falling protector attached to lifting scaffold |
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| CN210685335U true CN210685335U (en) | 2020-06-05 |
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| CN201921463839.3U Active CN210685335U (en) | 2019-09-04 | 2019-09-04 | Falling protector attached to lifting scaffold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485701A (en) * | 2019-09-04 | 2019-11-22 | 大连双成建筑工程技术有限公司 | A kind of falling protector for attached lifting scaffold and its application method |
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2019
- 2019-09-04 CN CN201921463839.3U patent/CN210685335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485701A (en) * | 2019-09-04 | 2019-11-22 | 大连双成建筑工程技术有限公司 | A kind of falling protector for attached lifting scaffold and its application method |
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