CN110630001B - Main frame anti-falling device of lifting scaffold frame body - Google Patents
Main frame anti-falling device of lifting scaffold frame body Download PDFInfo
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- CN110630001B CN110630001B CN201910963595.3A CN201910963595A CN110630001B CN 110630001 B CN110630001 B CN 110630001B CN 201910963595 A CN201910963595 A CN 201910963595A CN 110630001 B CN110630001 B CN 110630001B
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- Prior art keywords
- frame
- falling
- compression spring
- bobbin
- strip
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a main frame anti-falling device of a lifting scaffold frame body, which comprises a frame and anti-falling structures connected to the frame, wherein anti-falling strips for assisting anti-falling through improving friction force are symmetrically connected to two sides of the frame, the lower end of the frame is also connected with an anti-falling bottom pad for assisting anti-falling through elastic buffering, the upper end of the frame is also provided with a pressure sensor for sensing traction force, and the pressure sensor is electrically communicated with the anti-falling strips and controls the anti-falling strips to run and start. When the frame suddenly falls, the traction force sensed by the pressure sensor is suddenly changed, so that the fusing bolt is controlled to be fused, after the fusing bolt is fused, the first compression spring pushes the sliding plate to slide, and the anti-skid pad is pushed by the connecting rod to tightly press a channel for the frame to run, so that friction is increased, and the high-speed falling is avoided; the falling speed is slowed down through the anti-falling strip, and when the anti-falling strip falls into the bottom, the backing plate is elastically buffered through the second compression spring, so that the safety is further improved.
Description
Technical Field
The invention relates to the technical field of safety of lifting structures, in particular to a main frame anti-falling device of a lifting scaffold frame body.
Background
The lifting scaffold is erected at a certain height, attached to an engineering structure and capable of climbing or descending layer by layer along with the engineering structure by means of self lifting equipment and devices.
Lifting scaffold among the prior art all has anti-falling system, and wherein half all adopt to prevent weighing down cooperation such as couple and realize, these can both play fine anti-falling effect in conventional application, but all use in the building site at lifting scaffold, can meet unexpected gravity additional action many times, like weighing down thing etc. lift and pull the structure snap off, at this moment conventional prevent weighing down the position of designing such as couple very easily destroyed in the lump to take place to become invalid.
Disclosure of Invention
The invention aims to provide a main frame anti-falling device of a lifting scaffold body, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a main frame anti-falling device of lifting scaffolding support body, includes the frame and connects the structure of preventing weighing down on the frame, frame bilateral symmetry connects and is provided with and is used for preventing the strip of preventing weighing down through improving the auxiliary of frictional force, the frame lower extreme still is connected and is provided with the heelpiece of preventing weighing down through the elasticity buffering is supplementary, the frame upper end still is equipped with the pressure sensors who is used for responding to traction force, pressure sensors and prevent weighing down strip electric intercommunication, and control and prevent weighing down the strip operation and start.
Furthermore, a plurality of groups of sliding parts are symmetrically connected to two sides of the frame, and the plurality of groups of sliding parts are respectively arranged on the upper portion and the lower portion of the frame.
Furthermore, prevent weighing down the strip including fixing the strip die cavity on the frame lateral wall and connecting the elasticity friction structure in the strip die cavity, elasticity friction structure connects and restricts through fusing bolt and makes its friction surface lie in the slider surface line with one side and flush, fusing bolt and pressure sensors electrical property intercommunication.
Furthermore, the elastic friction structure comprises a sliding plate arranged in the strip-shaped cavity in a sliding fit mode and a non-slip mat connected to the sliding plate through a connecting rod, the tail end, far away from the sliding plate, of the connecting rod slides to penetrate through the side wall, far away from the frame, of the strip-shaped cavity, the surface of the non-slip mat is attached with wear-resistant rubber, and the sliding plate is elastically connected with the inner wall, close to the frame, of the strip-shaped cavity through a first compression spring.
Furthermore, the sliding part comprises a bracket fixedly connected to the side wall of the frame and a roller rotatably connected to the bracket, and the bracket is a U-shaped metal piece; the gyro wheel rotates to be connected in the support, and the gyro wheel is equipped with the multiunit, the gyro wheel surface cladding has the rubber cushion, the passageway lateral wall activity laminating of gyro wheel edge and frame operation.
Furthermore, the lower end of the frame is embedded into even a plurality of groups of cylinder cavities, and the anti-falling bottom cushion is elastically connected onto the cylinder cavities.
Furthermore, the anti-falling bottom pad comprises a base plate located below the frame and a bobbin in sliding fit with the bobbin in the bobbin cavity, the bobbin is fixedly connected below the base plate, a second compression spring is arranged in the bobbin in a connected mode, one end of the second compression spring is fixedly connected to the bottom in the bobbin, the other end of the second compression spring is fixedly connected to the top in the bobbin cavity, and the second compression spring pushes the base plate to be far away from the bottom of the frame through the bobbin.
Compared with the prior art, the invention has the beneficial effects that: the frame runs stably through the idler wheels rotating on the support, when sudden falling occurs, the traction force sensed by the pressure sensor changes suddenly, so that the fusing bolt is controlled to be fused, after the fusing bolt is fused, the first compression spring pushes the sliding plate to slide, the anti-slip mat is pushed through the connecting rod to press a channel where the frame runs, and friction is increased so as to avoid high-speed falling; the falling speed is slowed down through the anti-falling strip, and when the anti-falling strip falls into the bottom, the backing plate is elastically buffered through the second compression spring, so that the safety is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a main frame anti-falling device of a lifting scaffold frame body.
Fig. 2 is an enlarged schematic view of a region a in fig. 1.
Fig. 3 is a perspective view of a slider in the main frame fall preventing device of the lifting scaffold body.
FIG. 4 is a schematic structural view of a fall protection bar in a main frame fall protection device of a lifting scaffold frame.
In the figure: 1-frame, 11-barrel cavity, 2-bracket, 3-roller, 4-anti-falling strip, 41-die cavity, 42-sliding plate, 43-first compression spring, 44-connecting rod, 45-non-slip pad, 46-fusing bolt, 5-anti-falling bottom pad, 51-backing plate, 52-barrel, 53-second compression spring and 6-pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the invention, the main frame anti-falling device of the lifting scaffold frame body comprises a frame 1 and an anti-falling structure connected to the frame 1, anti-falling strips 4 for assisting anti-falling through improving friction force are symmetrically connected to two sides of the frame 1, an anti-falling bottom pad 5 for assisting anti-falling through elastic buffering is further connected to the lower end of the frame 1, a pressure sensor 6 for sensing traction force is further arranged at the upper end of the frame 1, and the pressure sensor 6 is electrically communicated with the anti-falling strips 4 and controls the operation and starting of the anti-falling strips 4.
The frame 1 is a main frame structure which is slidably connected in a scaffold operation channel, a plurality of groups of sliding pieces are symmetrically connected to two sides of the frame 1 and are respectively arranged on the upper portion and the lower portion of the frame 1, and therefore stable sliding of the frame 1 is maintained.
The sliding part comprises a bracket 2 fixedly connected to the side wall of the frame 1 and a roller 3 rotatably connected to the bracket 2, the bracket 2 preferably adopts a U-shaped metal piece, and the bracket 2 can be fixedly connected with the frame 1 in a riveting or welding mode; the gyro wheel 3 rotates to be connected in support 2, and gyro wheel 3 is equipped with the multiunit, 3 surface cladding of gyro wheel have the rubber cushion, 3 edges of gyro wheel and the movable laminating of the passageway lateral wall of 1 operation of frame, when falling like this, in case there is external pressure to apply, the frictional force of gyro wheel 3 will improve to play certain slow speed and prevent weighing down the effect.
The embedding of 1 lower extreme of frame has multiunit section of thick bamboo chamber 11 even, prevent weighing down heelpiece 5 elastic connection on section of thick bamboo chamber 11, prevent weighing down heelpiece 5 including the backing plate 51 and the bobbin 52 of sliding fit in section of thick bamboo chamber 11 that are located frame 1 below, the bobbin 52 is connected to be fixed in backing plate 51 below, and the connection is provided with second compression spring 53 in the bobbin 52, second compression spring 53 one end fixed connection is bottom in bobbin 52, and the other end is connected and is fixed at section of thick bamboo intracavity 11 internal top, and second compression spring 53 promotes backing plate 51 through bobbin 52 and keeps away from frame 1 bottom, like this under the circumstances of falling, slows down the falling speed through preventing weighing down strip 4 to when falling into the bottom, backing plate 51 passes through second compression spring 53 elastic buffer, further improves the security.
Example 2
Referring to fig. 4, in an embodiment of the present invention, on the basis of embodiment 1, the anti-falling bar 4 includes a bar cavity 41 fixed on a side wall of the frame 1 and an elastic friction structure connected in the bar cavity 41, the elastic friction structure is connected by a fusing bolt 46 and limits a sliding member surface connecting line, which makes a friction surface of the elastic friction structure located on the same side, to be flush, the fusing bolt 46 is electrically connected with the pressure sensor 6, and the fusing bolt 46 is fused when the pressure sensor 6 senses that the traction mechanism fails, so as to release the elastic friction structure, so as to press a channel through which the frame 1 runs, and to reduce and drop by using a friction force, thereby achieving anti-falling.
The elastic friction structure comprises a sliding plate 42 arranged in a strip-shaped cavity 41 in a sliding fit mode and a non-slip mat 45 connected to the sliding plate 42 through a connecting rod 44, the tail end of the connecting rod 44 far away from the sliding plate 42 slides through the side wall of the strip-shaped cavity 41 far away from the frame 1, wear-resistant rubber is attached to the surface of the non-slip mat 45, the sliding plate 42 is elastically connected with the inner wall, close to the frame 1, of the strip-shaped cavity 41 through a first compression spring 43, and therefore after the fusing bolt 46 is fused, the first compression spring 43 pushes the sliding plate 42 to slide, the non-slip mat 45 is pushed through the connecting rod 44 to press a channel for the frame 1 to run, and friction.
The working principle of the invention is as follows: the frame 1 runs stably through the roller 3 rotating on the bracket 2, when sudden falling occurs, the traction force sensed by the pressure sensor 6 changes suddenly, so that the fusing bolt 46 is controlled to fuse, after the fusing bolt 46 fuses, the first compression spring 43 pushes the sliding plate 42 to slide, and pushes the anti-skid pad 45 through the connecting rod 44 to press a running channel of the frame 1, so that friction is increased to avoid high-speed falling; the falling speed is reduced by the falling prevention strip 4, and when the falling prevention strip falls to the bottom, the backing plate 51 is elastically buffered by the second compression spring 53, so that the safety is further improved.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A main frame anti-falling device of a lifting scaffold frame body comprises a frame (1) and an anti-falling structure connected to the frame (1), and is characterized in that anti-falling strips (4) used for assisting anti-falling through improving friction force are symmetrically connected and arranged at two sides of the frame (1), an anti-falling bottom pad (5) used for assisting anti-falling through elastic buffering is further connected and arranged at the lower end of the frame (1), a pressure sensor (6) used for sensing traction force is further arranged at the upper end of the frame (1), the pressure sensor (6) is electrically communicated with the anti-falling strips (4) and controls the anti-falling strips (4) to operate and start, a plurality of groups of sliding parts are symmetrically connected and arranged at the upper part and the lower part of the frame (1) respectively, the anti-falling strips (4) comprise strip cavities (41) fixed on the side wall of the frame (1) and elastic friction structures connected in the strip cavities (41), the elastic friction structure is connected through a fusing bolt (46) and limits the sliding part surface connecting line of the friction surface of the elastic friction structure located on the same side to be flush, the fusing bolt (46) is electrically communicated with the pressure sensor (6), the elastic friction structure comprises a sliding plate (42) arranged in the strip cavity (41) in a sliding fit mode and a non-slip mat (45) connected to the sliding plate (42) through a connecting rod (44), the tail end of the connecting rod (44) far away from the sliding plate (42) slides through the side wall of the strip cavity (41) far away from the frame (1), wear-resistant rubber is attached to the surface of the non-slip mat (45), and the sliding plate (42) and the inner wall, close to the frame (1), of the strip cavity (41) are elastically connected through a first compression spring (43).
2. A main frame fall preventing device for a lifting scaffold according to claim 1, wherein the sliding member comprises a bracket (2) fixedly connected to the side wall of the frame (1) and a roller (3) rotatably connected to the bracket (2), the bracket (2) is a U-shaped metal member; gyro wheel (3) rotate to be connected in support (2), and gyro wheel (3) are equipped with the multiunit, gyro wheel (3) surface cladding has the rubber cushion, the passageway lateral wall activity laminating of gyro wheel (3) edge and frame (1) operation.
3. The main frame anti-falling device of the lifting scaffold frame body as claimed in claim 1, wherein the lower end of the frame (1) is embedded with a plurality of groups of barrel cavities (11), and the anti-falling bottom pad (5) is elastically connected to the barrel cavities (11).
4. The main frame anti-falling device of a lifting scaffold body is characterized in that the anti-falling bottom pad (5) comprises a base plate (51) positioned below the frame (1) and a bobbin (52) in sliding fit in a bobbin cavity (11), the bobbin (52) is fixedly connected below the base plate (51), a second compression spring (53) is arranged in the bobbin (52) in a connecting mode, one end of the second compression spring (53) is fixedly connected to the inner bottom of the bobbin (52), the other end of the second compression spring (53) is fixedly connected to the inner top of the bobbin cavity (11), and the second compression spring (53) pushes the base plate (51) to be far away from the bottom of the frame (1) through the bobbin (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963595.3A CN110630001B (en) | 2019-10-11 | 2019-10-11 | Main frame anti-falling device of lifting scaffold frame body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963595.3A CN110630001B (en) | 2019-10-11 | 2019-10-11 | Main frame anti-falling device of lifting scaffold frame body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110630001A CN110630001A (en) | 2019-12-31 |
| CN110630001B true CN110630001B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963595.3A Expired - Fee Related CN110630001B (en) | 2019-10-11 | 2019-10-11 | Main frame anti-falling device of lifting scaffold frame body |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109442A (en) * | 1993-10-18 | 1995-10-04 | 英万蒂奥股份公司 | Safety equipment for a lift cage |
| CN205397768U (en) * | 2015-12-19 | 2016-07-27 | 重庆威斯特电梯有限公司 | Elevator tenesmus buffer |
| CN206529189U (en) * | 2016-11-04 | 2017-09-29 | 重庆米高电梯有限公司 | A kind of elevator hoistways for being used to place lift car |
| CN206538998U (en) * | 2017-03-16 | 2017-10-03 | 浙江水利水电学院 | A kind of cradle for constructional engineering |
| CN208776145U (en) * | 2018-09-03 | 2019-04-23 | 康达电梯有限公司 | A kind of elevator emergency brake device |
| CN110155847A (en) * | 2019-06-14 | 2019-08-23 | 沈阳建筑大学 | A kind of used during elevator falling energy dissipation buffering device |
| CN209455877U (en) * | 2018-12-26 | 2019-10-01 | 康达电梯有限公司 | A kind of elevator safety deceleration device |
-
2019
- 2019-10-11 CN CN201910963595.3A patent/CN110630001B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109442A (en) * | 1993-10-18 | 1995-10-04 | 英万蒂奥股份公司 | Safety equipment for a lift cage |
| CN205397768U (en) * | 2015-12-19 | 2016-07-27 | 重庆威斯特电梯有限公司 | Elevator tenesmus buffer |
| CN206529189U (en) * | 2016-11-04 | 2017-09-29 | 重庆米高电梯有限公司 | A kind of elevator hoistways for being used to place lift car |
| CN206538998U (en) * | 2017-03-16 | 2017-10-03 | 浙江水利水电学院 | A kind of cradle for constructional engineering |
| CN208776145U (en) * | 2018-09-03 | 2019-04-23 | 康达电梯有限公司 | A kind of elevator emergency brake device |
| CN209455877U (en) * | 2018-12-26 | 2019-10-01 | 康达电梯有限公司 | A kind of elevator safety deceleration device |
| CN110155847A (en) * | 2019-06-14 | 2019-08-23 | 沈阳建筑大学 | A kind of used during elevator falling energy dissipation buffering device |
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| Publication number | Publication date |
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| CN110630001A (en) | 2019-12-31 |
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Granted publication date: 20210302 Termination date: 20211011 |