CN215592275U - Safety protection device for construction elevator - Google Patents
Safety protection device for construction elevator Download PDFInfo
- Publication number
- CN215592275U CN215592275U CN202120460414.8U CN202120460414U CN215592275U CN 215592275 U CN215592275 U CN 215592275U CN 202120460414 U CN202120460414 U CN 202120460414U CN 215592275 U CN215592275 U CN 215592275U
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- Prior art keywords
- fixedly connected
- casing
- shell
- pushed
- elevator
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of elevator accessories, in particular to a safety protection device for a construction elevator, which comprises an installation plate, wherein a shell is fixedly connected above the installation plate, the side surface of the shell is open, a vertical rod is fixedly connected on the inner bottom surface of the shell, the shell is also provided with a linkage component, the linkage component comprises a middle connecting rod, one end of the middle connecting rod is fixedly connected with a friction block, the other end of the middle connecting rod is fixedly connected with a pushed guide plate, the middle part of the middle connecting rod is hinged with the top of the vertical rod, the lower end of the middle connecting rod, which is close to one side of the pushed guide plate, is fixedly connected with a spring, the top of the shell is provided with a through hole, a guide rod is arranged in the through hole in a penetrating way, the guide rod is connected with a push block, the upper end of the push block extends out of the shell and is connected with a cable, the push block is positioned at the lower end of the pushed guide plate, the upper end of the cable is provided with a cable winding drum, the cable is wound on the winding drum, one side end surface of the cable winding drum is fixedly connected with a connecting shaft, the wall opposite to the friction block is provided with the friction resistance belt, and the utility model is safe and reliable and is fast and flexible to install.
Description
Technical Field
The utility model relates to the technical field of elevator accessories, in particular to a safety protection device for a construction elevator.
Background
The construction elevator is also called as a construction elevator for buildings, can also be an outdoor elevator, a building site lifting cage and the like, is a manned cargo-carrying construction machine frequently used in buildings, and is mainly used for the construction of buildings such as interior and exterior decoration of high-rise buildings, bridges, chimneys and the like. Current lift mostly is through hoist engine drive wire rope, and the pulling cage goes up and down, and barrier propterty is relatively poor, causes the incident easily in the in-service use, has the potential safety hazard. And because the construction site cycle is fast, the existing construction elevator often neglects the safety protection device or the structure is complicated, is difficult to disassemble and assemble, and influences the construction efficiency. Therefore, there is a need for a safety protection device that can be flexibly assembled and disassembled and is safe and reliable to ensure the safety of the constructors when using the construction elevator.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model aims to provide a safety protection device for a construction elevator, which is safe and reliable and is quick and flexible to install.
Second, technical scheme
The utility model is realized by the following technical scheme: the utility model provides a safety protection device for a construction elevator, which comprises an installation plate, wherein a shell is fixedly connected above the installation plate, the side surface of the shell is open, a vertical rod is fixedly connected to the inner bottom surface of the shell, the shell is also provided with a linkage assembly, the linkage assembly comprises an intermediate connecting rod, one end of the intermediate connecting rod penetrates through the side surface opening of the shell and extends out of the shell, a friction block is fixedly connected to the intermediate connecting rod, a pushed guide plate is fixedly connected to the other end of the intermediate connecting rod, the pushed guide plate is in an inverted L shape, the middle part of the intermediate connecting rod is hinged to the top of the vertical rod, the lower end of the intermediate connecting rod, close to one side of the pushed guide plate, is fixedly connected with a spring, the lower end of the spring is fixedly connected with the inner bottom surface of the shell, a through hole is formed in the top of the shell, a guide rod penetrates through the through hole, the lower end of the guide rod extends into the shell and is fixedly connected with a push block, The upper end stretches out outside the casing and is connected with the hawser, the ejector pad is located and is pushed away the baffle lower extreme and can promote and be pushed away the baffle and upwards rotate, the upper end of hawser is provided with the wiring reel, the hawser is around establishing on the wiring reel, a side end face fixedly connected with connecting axle of wiring reel, be provided with the frictional resistance area on the relative wall of frictional resistance piece.
Furthermore, both sides of the shell are provided with openings, and both sides of the guide rod are symmetrically provided with mutually matched push blocks and linkage assemblies.
Further, the surface of the mounting plate is provided with a plurality of bolts which are matched with threads and used for being fixed with the top of the elevator.
Furthermore, a limiting plate is arranged at the upper end of the guide rod, the lower end of the mooring rope is fixedly connected to the upper surface of the limiting plate, and the limiting plate is used for limiting the guide rod to move downwards.
Further, the friction block and the friction resistance belt are provided with a plurality of mutually meshed resistance teeth on the surfaces.
Third, beneficial effect
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the safety protection device for the construction elevator, when the main lifting rope of the elevator is broken, the guide rod drives the linkage assembly to rotate, so that the friction resistance block is in contact with the friction resistance belt, the brake is emergently braked, safety and reliability are realized, and the safety of workers are guaranteed.
2. The mounting plate is fixed at the top of the elevator, the rope winding drum is fixed on the end face coaxial with the elevator winch, and the rope winding drum can be used.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the safety shield apparatus of FIG. 1 in an operative condition;
FIG. 3 is an enlarged partial view of the friction block and friction resistance band;
FIG. 4 is an enlarged view of a portion of one embodiment of the present invention.
1-mounting a plate; 2-a shell; 3-vertical rod; 4-a linkage assembly; 41-intermediate link; 42-a friction block; 43-a pushed guide plate; 5-a through hole; 6-a spring; 7-a guide rod; 8-pushing the block; 9-a cable; 10-a rope drum; 11-a connecting shaft; 12-a frictional resistance band; 13-a bolt; 14-a limiting plate; 15-resistance teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-3, the safety protection device for a construction elevator comprises a mounting plate 1, a housing 2 is fixedly connected above the mounting plate 1, the housing 2 is open at a side surface, a vertical rod 3 is fixedly connected to an inner bottom surface of the housing 2, the housing 2 is further provided with a linkage assembly 4, the linkage assembly 4 comprises an intermediate connecting rod 41, one end of the intermediate connecting rod 41 penetrates through the side surface opening of the housing 2 and extends out of the housing 2 and is fixedly connected with a friction block 42, the other end of the intermediate connecting rod is fixedly connected with a pushed guide plate 43, the pushed guide plate 43 is in an inverted L shape, the middle part of the intermediate connecting rod 41 is hinged to the top of the vertical rod 3, the lower end of the intermediate connecting rod 41 close to the pushed guide plate 43 is fixedly connected with a spring 6, the lower end of the spring 6 is fixedly connected to the inner bottom surface of the housing 2, the top of the housing 2 is provided with a through hole 5, wear to be equipped with guide arm 7 in the through-hole 5, the lower extreme of guide arm 7 stretches into in casing 2 and fixedly connected with ejector pad 8, the upper end stretch out outside casing 2 and be connected with hawser 9, ejector pad 8 is located and is pushed away the baffle 43 lower extreme and can promote and be pushed away baffle 43 upwards rotation, the upper end of hawser 9 is provided with wiring reel 10, hawser 9 is around establishing on wiring reel 10, a side end face fixedly connected with connecting axle 11 of wiring reel 10, be provided with frictional resistance area 12 on the wall that friction block 42 is relative. The above constitutes the basic structure of the present invention.
The working principle is as follows: (1) the mounting plate 1 is mounted on the top of the elevator, and the rope winding drum 10 is connected to the end of the winding machine in the elevator through a connecting shaft 11 and is coaxial with the winding machine; the utility model has quick installation and can be flexibly used and disassembled on a construction site; (2) referring to fig. 1, when the elevator is normally lifted, the device is lifted synchronously with the elevator, and meanwhile, because the rope winding drum 10 is coaxial with the winch, the cable 9 is lifted synchronously with the lifting rope above the elevator, so that the cable 9 drives the guide rod 7 and the push block 8 to keep synchronous with the shell 2, and a certain safety gap exists between the push block 8 and the pushed guide plate 43; (3) referring to fig. 2, when an elevator fault occurs, a lifting rope driving the elevator to ascend and descend is broken, the elevator falls under the action of gravity, the housing 2 falls along with the elevator, so that the pushed guide plate 43 contacts the push block 8, the pushed guide plate 43 drives the middle connecting rod 41 to rotate upwards, the friction block 42 rotates downwards and contacts the friction resistance belt 12, and therefore the elevator is braked emergently to ensure the safety of the elevator.
In this embodiment, referring to fig. 4, two sides of the housing 2 are both open, and two sides of the guide rod 7 are symmetrically provided with the push block 8 and the linkage assembly 4 which are matched with each other. When a fault occurs, the guide rod 7 drives the push block 8 to rotate upwards, so that the friction blocks 42 on the two sides are driven to downwards clamp the friction resistance belt 12 for braking, the left side and the right side are balanced in stress, and the braking is stable.
In this embodiment, the surface of the mounting plate 1 is provided with a plurality of bolts 13 which are in threaded fit with the top of the elevator. Through setting up bolt 13, easy to assemble.
In this embodiment, guide arm 7 upper end is provided with limiting plate 14, the lower extreme fixed connection of hawser 9 is at the upper surface of limiting plate 14, limiting plate 14 is used for restricting guide arm 7 downstream, prevents that guide arm 7 from dropping downwards and losing, guarantees safety.
In this embodiment, referring to fig. 3, the friction block 42 and the friction resistance belt 12 are provided with a plurality of resistance teeth 15 engaged with each other on the surfaces thereof; the resistance teeth 15 are mutually meshed, so that the elevator can be emergently braked and fixed when the elevator falls in a fault.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (5)
1. A safety arrangement for a construction hoist, its characterized in that: including mounting panel (1), mounting panel (1) top fixedly connected with casing (2), casing (2) side opening, fixedly connected with montant (3) on the bottom surface in casing (2), casing (2) still is provided with linkage subassembly (4), linkage subassembly (4) include intermediate link (41), intermediate link (41) one end is passed casing (2) side opening and is stretched out to casing (2) outside and fixedly connected with friction resistance piece (42), other end fixedly connected with pushed baffle (43), pushed baffle (43) are the shape of falling L, the middle part of intermediate link (41) is articulated with montant (3) top, intermediate link (41) are close to lower extreme fixedly connected with spring (6) of pushed baffle (43) one side, the lower extreme and the casing (2) interior bottom surface fixed connection of spring (6), through-hole (5) have been seted up at casing (2) top, wear to be equipped with guide arm (7) in through-hole (5), the lower extreme of guide arm (7) stretches into casing (2) in and fixedly connected with ejector pad (8), the upper end stretches out casing (2) and outer and be connected with hawser (9), ejector pad (8) are located and are pushed away baffle (43) lower extreme and can promote and push away baffle (43) upwards to rotate, the upper end of hawser (9) is provided with wire winding reel (10), hawser (9) are around establishing on wire winding reel (10), a side end face fixedly connected with connecting axle (11) of wire winding reel (10), be provided with frictional resistance area (12) on the wall that frictional resistance piece (42) are relative.
2. A safety arrangement for a construction hoist according to claim 1, characterized in that: the shell (2) is provided with openings on two sides, and the guide rod (7) is symmetrically provided with a push block (8) and a linkage component (4) which are matched with each other on two sides.
3. A safety arrangement for a construction hoist according to claim 1, characterized in that: the surface of the mounting plate (1) is provided with a plurality of bolts (13) which are in threaded fit and used for being fixed with the top of the elevator.
4. A safety arrangement for a construction hoist according to claim 1, characterized in that: a limiting plate (14) is arranged at the upper end of the guide rod (7), the lower end of the mooring rope (9) is fixedly connected to the upper surface of the limiting plate (14), and the limiting plate (14) is used for limiting the guide rod (7) to move downwards.
5. A safety arrangement for a construction hoist according to claim 1, characterized in that: the friction resistance block (42) and the friction resistance belt (12) are provided with a plurality of mutually meshed resistance teeth (15) on the surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460414.8U CN215592275U (en) | 2021-03-03 | 2021-03-03 | Safety protection device for construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460414.8U CN215592275U (en) | 2021-03-03 | 2021-03-03 | Safety protection device for construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592275U true CN215592275U (en) | 2022-01-21 |
Family
ID=79869855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120460414.8U Expired - Fee Related CN215592275U (en) | 2021-03-03 | 2021-03-03 | Safety protection device for construction elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215592275U (en) |
-
2021
- 2021-03-03 CN CN202120460414.8U patent/CN215592275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |