CN211338441U - Portable elevator connecting platform - Google Patents
Portable elevator connecting platform Download PDFInfo
- Publication number
- CN211338441U CN211338441U CN201922022764.1U CN201922022764U CN211338441U CN 211338441 U CN211338441 U CN 211338441U CN 201922022764 U CN201922022764 U CN 201922022764U CN 211338441 U CN211338441 U CN 211338441U
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- relay
- elevator
- platform
- power line
- power supply
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Abstract
The utility model relates to a portable elevator connection platform, include the passageway platform that links to each other with the elevator, the length of passageway platform is the same with the length between elevator and the building, and the width is greater than the gap between elevator and the building, the left and right sides of passageway platform upper end is equipped with U type handrail, and it is fixed continuous through the floor in revolution mechanic and the elevator room that its rear end passes through, makes it can the level or overturn perpendicularly, when its upset to horizontal position, passageway platform front end will take and establish on the building, makes the passageway platform cover the gap between elevator and the building completely, when its upset to vertical position, the passageway platform will overturn completely to the elevator room in. The utility model discloses a U type handrail of passageway platform both sides can be comparatively convenient and laborsaving rotatory with the passageway platform, makes the passageway platform fill the 10 centimeters clearance between with elevator and floor structure and levels, guarantees the security that personnel passed through, makes things convenient for the material transportation, effectively improves elevator availability factor and material conveying efficiency.
Description
Technical Field
The utility model relates to a construction equipment field particularly, relates to a portable elevator connection platform.
Background
Elevators have become an indispensable manned cargo vehicle in the construction of existing buildings. There is often certain clearance between traditional people goods elevator and the building, this clearance is unfavorable for the transport of construction safety and material, current method is often equipped with a steel sheet in the elevator room, during the use artifical steel sheet of laying between people goods elevator and floor, in the artifical back of finishing using is moved back to the elevator room, this kind of operating means is very inconvenient when using, need not to move the steel sheet with the manual work, and the steel sheet does not have fixed connection point, has the danger that drops.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a portable elevator connection platform can guarantee the security that personnel passed through, makes things convenient for the material transportation, effectively improves elevator availability factor and material conveying efficiency.
The utility model adopts the technical proposal that: the utility model provides a portable elevator connection platform, includes the passageway platform that links to each other with the elevator, the length of passageway platform is the same with the length of elevator room, and the width is greater than the gap between elevator and the building, the left and right sides of passageway platform upper end is equipped with U type handrail, and its rear end passes through fixed linking to each other of floor in revolution mechanic and the elevator room, makes it can level or overturn perpendicularly, and when its upset to horizontal position, passageway platform front end will be taken and establish on the building, makes the passageway platform cover the gap between elevator and the building completely, and when its upset to vertical position, the passageway platform will overturn completely to the elevator room in.
In the portable elevator connection platform, the revolution mechanic includes the bearing fixed on the elevator and fixes on the passageway platform and install pivot in the bearing.
In the portable elevator connection platform, the rotary structure includes two folding hinges respectively fixed on the elevator and the passage platform.
Portable elevator connection platform in, revolution mechanic includes L shape connecting piece and cylindrical drum, connecting piece one end is fixed on the elevator, and the other end is located in the cylinder, connecting piece and cylinder clearance fit, the cylinder welding is in on the passageway platform.
In portable elevator connection platform, revolution mechanic include with the fixed rotary rod that links to each other of passageway platform rear end, with the fixed link of rotary rod links to each other and coaxial pivoted drive gear and with drive gear engaged with driving motor.
Portable elevator connection platform in, driving motor is the three phase machine who adopts three phase current source power supply, be provided with positive reverse control circuit and motor switch control circuit between three phase machine and the three phase current source.
In the portable elevator connection platform of the present invention, the forward/reverse rotation control circuit includes a first relay and a second relay, and the motor switch control circuit includes a tenth relay, an eleventh relay, and a twelfth relay; the first power line of the three-phase power supply is electrically connected with the normally open contact of the first relay, the normally open contact of the tenth relay and the first power line of the three-phase motor in sequence through wires, the first power line of the three-phase power supply is electrically connected with the normally open contact of the first relay and the normally closed contact of the tenth relay in sequence through wires, the first power line of the three-phase power supply is electrically connected with the normally closed contact of the second relay, the normally open contact of the eleventh relay and the second power line of the three-phase motor in sequence through wires, and the first power line of the three-phase power supply is electrically connected with the normally closed contact of the second relay and the normally closed contact of the eleventh relay in sequence through wires; the second power line of the three-phase power supply is electrically connected with the normally closed contact of the first relay, the normally open contact of the tenth relay and the first power line of the three-phase motor in sequence through wires, the second power line of the three-phase power supply is electrically connected with the normally closed contact of the first relay and the normally closed contact of the tenth relay in sequence through wires, the second power line of the three-phase power supply is electrically connected with the normally open contact of the second relay, the normally open contact of the eleventh relay and the second power line of the three-phase motor in sequence through wires, and the second power line of the three-phase power supply is electrically connected with the normally open contact of the second relay and the normally closed contact of the eleventh relay in sequence through wires; and the third power line of the three-phase power supply is electrically connected with the normally open contact of the twelfth relay and the third power line of the three-phase motor in sequence through wires, and the third power line of the three-phase power supply is electrically connected with the normally closed contact of the twelfth relay through wires.
In the portable elevator connection platform, the first relay, the second relay, the tenth relay, the eleventh relay and the twelfth relay all adopt single-pole switch relays.
The utility model provides a portable elevator connection platform simple structure, convenient to use, low in manufacturing cost, U type handrail through the passageway platform both sides can be comparatively convenient and laborsaving rotatory with the passageway platform, make the passageway platform with the 10 centimeters clearance packing between elevator and the floor structure level, guarantee the security that personnel passed through, make things convenient for the material transportation, effectively improve elevator availability factor and material conveying efficiency.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rotary structure in a second embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.
Example one
As shown in fig. 1, the embodiment of the utility model provides a portable elevator connection platform, including the passageway platform 1 that links to each other with elevator 2, the length of passageway platform 1 is the same with the length between the elevator, and the width is greater than the gap between elevator and the building. The left side and the right side of the upper end of the channel platform 1 are provided with U-shaped handrails 3, the rear end of the channel platform is fixedly connected with a floor in an elevator room through a rotating structure 4, so that the channel platform can be horizontally or vertically turned, when the channel platform 1 is turned to the horizontal position, the front end of the channel platform 1 is erected on a building, the channel platform 1 completely covers a gap between the elevator 2 and the building, when the channel platform 1 is turned to the vertical position, the channel platform 1 is completely turned into the elevator room, and the elevator door can be normally closed. The U-shaped handrails on the two sides of the channel platform can rotate the channel platform conveniently and laborsavingly, so that the 10 cm gap between the elevator and the floor structure is filled smoothly by the channel platform, the passing safety of the personnel is guaranteed, the material transportation is facilitated, and the use efficiency of the elevator and the material transportation efficiency are effectively improved. Further, the rotating structure 4 comprises an L-shaped connecting member 41 and a cylindrical drum 42, one end of the connecting member 41 is fixed on the elevator 2, the other end is arranged in the drum 42, the connecting member 41 is in clearance fit with the drum 42, and the drum 42 is welded on the access platform 1. In other embodiments, the rotating structure 4 can also be provided to comprise a bearing fixed on the elevator 2 and a rotating shaft fixed on the access platform 1 and mounted in the bearing; or the rotating structure 4 may be a two-fold hinge fixed to the elevator 2 and the access platform 1, respectively.
Example two
As shown in fig. 2, the difference between the second embodiment and the first embodiment is that: the rotating structure 4 comprises a rotating rod 43 fixedly connected with the rear end of the channel platform 1, a driving gear 44 fixedly connected with the rotating rod 43 and coaxially rotating, and a driving motor 45 engaged with the driving gear 44. The driving motor 45 is connected with the driving gear 44 through a gear, as shown in fig. 3, the driving motor 45 is a three-phase motor powered by a three-phase power supply, and a forward and reverse rotation control circuit M and a motor switch control circuit N are arranged between three-phase power supply lines L4, L5 and L6 and three-phase power supply lines L1, L2 and L3. The forward and reverse rotation control circuit M comprises a first relay J1 and a second relay J2, and the motor switch control circuit N comprises a tenth relay J10, an eleventh relay J11 and a twelfth relay J12; a first power line L1 of the three-phase power supply is electrically connected with a normally open contact NO1 of a first relay J1, a normally open contact NO3 of a tenth relay J10 and a motor power line L4 in sequence through leads, a first power line L1 of the three-phase power supply is electrically connected with a normally open contact NO1 of a first relay J1 and a normally closed contact NC3 of a tenth relay J10 in sequence through leads, a first power line L1 of the three-phase power supply is electrically connected with a normally closed contact NC2 of a second relay J2, a normally open contact NO4 of an eleventh relay J11 and a motor power line L5 in sequence through leads, and the first power line L1 of the three-phase power supply is electrically connected with a normally closed contact NC2 of a second relay J2 and a normally closed contact NC4 of an eleventh relay J11 in sequence through leads; a second power line L2 of the three-phase power supply is electrically connected with a normally closed contact NC1 of the first relay J1, a normally open contact NO3 of the tenth relay J10 and a motor power line L4 in sequence through conducting wires, a second power line L2 of the three-phase power supply is electrically connected with a normally closed contact NC1 of the first relay J1 and a normally closed contact NC3 of the tenth relay J10 in sequence through conducting wires, a second power line L2 of the three-phase power supply is electrically connected with a normally open contact NO2 of the second relay J2, a normally open contact NO4 of the eleventh relay J11 and a motor power line L5 in sequence through conducting wires, and the second power line L2 of the three-phase power supply is electrically connected with a normally open contact NO2 of the second relay J2 and a normally closed contact NC4 of the eleventh relay J11 in sequence through conducting; the third power line L3 of the three-phase power supply is electrically connected to the normally open contact NO5 of the twelfth relay J12 and the motor power line L6 in turn by a wire, and the third power line L3 of the three-phase power supply is electrically connected to the normally closed contact NC5 of the twelfth relay J12 by a wire. Specifically, the first relay J1 and the second relay J2 are connected in series with the direct-current power supply DC1 by wires. Further, the tenth relay J10, the eleventh relay J11, and the twelfth relay J12 are connected in series to the direct power source DC2 through wires. Further, the first relay J1, the second relay J2, the tenth relay J10, the eleventh relay J11, and the twelfth relay J12 all employ single-pole switching relays. It should be noted that the first relay J1, the second relay J2, the tenth relay J10, the eleventh relay J11, and the twelfth relay J12 in the present embodiment each employ a single-pole switching relay of model T73, which is generated by tongling electric appliances ltd, east sea, county, of hong kong, Jiangsu, and the voltages of the direct current power supply DC1 and the direct current power supply DC2 are 12V.
The driving motor 45 rotates forward: when the direct-current power supply DC1 and the direct power supply DC2 are electrified, the normally open contact NO1 of the first relay J1, the normally open contact NO2 of the second relay J2, the normally open contact NO3 of the tenth relay J10, the normally open contact NO4 of the eleventh relay J11 and the normally open contact NO5 of the twelfth relay J12 are all in a closed state, the normally closed contact NC1 of the first relay J1 and the normally closed contact NC2 of the second relay J2 are all in an open state, the first power line L1 of the three-phase power supply is connected with the motor power line L4, the second power line L2 of the three-phase power supply is connected with the motor power line L5, the third power line L3 of the three-phase power supply is connected with the motor power line L6, and the motor is switched on and works in a forward rotation mode.
The driving motor 45 operates in reverse: when the direct current power supply DC1 is powered off and the direct current power supply DC2 is powered on, the normally closed contact NC1 of the first relay J1, the normally closed contact NC2 of the second relay J2, the normally open contact NO3 of the tenth relay J10, the normally open contact NO4 of the eleventh relay J11 and the normally open contact NO5 of the twelfth relay J12 are all in a closed state, the normally open contact NO1 of the first relay J1 and the normally open contact NO2 of the second relay J2 are all in an open state, the first power line L1 of the three-phase power supply is connected with the motor power line L5, the second power line L2 of the three-phase power supply is connected with the motor power line L4, the third power line L3 of the three-phase power supply is connected with the motor power line L6, and the motor is powered on and works.
The drive motor 45 is not operated: when the direct-current power supply DC1 and the direct power supply DC2 are both powered off, the normally closed contact NC1 of the first relay J1, the normally closed contact NC2 of the second relay J2, the normally closed contact NC3 of the tenth relay J10, the normally closed contact NC4 of the eleventh relay J11 and the normally closed contact NC5 of the twelfth relay J12 are all in a closed state, the normally open contact NO1 of the first relay J1 and the normally open contact NO2 of the second relay J2 are all in an open state, at the moment, the power lines L1, L2 and L3 of the three-phase power supply and the motor power lines L4, L5 and L6 are all disconnected, and the motor does not work.
When the driving motor 45 rotates reversely, the driving gear 44 and the rotating rod 43 are driven to rotate forwards, the channel platform 1 is opened outwards, when the channel platform 1 is laid on a building floor, the driving motor 45 can be closed, and at the moment, the channel platform 1 can be used for transporting personnel and materials; when the access platform 1 needs to be retracted, the driving motor 45 is driven to rotate in the forward direction, and simultaneously the driving gear 44 and the rotating rod 43 are driven to rotate in the reverse direction, so that the access platform 1 is retracted inwards into the elevator car. The embodiment provides a method for semi-automatically driving a channel platform 1, a motor forward and reverse rotation control circuit is simple in structure, flexible in arrangement and simple in operation, the rotation direction of a three-phase motor is controlled by switching a phase sequence by using two single-pole switch relays, and two relay coils are connected in series to enable the relays to be synchronous; the three-phase motor is stopped or started by using the three single-pole switch relays to open and close the three-phase power supply, the three relay coils are connected in series to synchronize the relays, and the five independent relays are used for achieving the effect of controlling the forward rotation and the reverse rotation of the three-phase motor.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and all of them fall within the protection scope of the present invention.
Claims (8)
1. Portable elevator connection platform, its characterized in that includes the passageway platform that links to each other with the elevator, the length of passageway platform is the same with the length of elevator room, and the width is greater than the gap between elevator and the building, the left and right sides of passageway platform upper end is equipped with U type handrail, and its rear end passes through fixed linking to each other of revolution mechanic and the floor in the elevator room, makes it can level or the vertical upset, and when its upset to horizontal position, passageway platform front end will be taken and establish on the building, makes the passageway platform cover the gap between elevator and the building completely, and when its upset to vertical position, the passageway platform will overturn completely to in the elevator room.
2. The portable elevator connection platform of claim 1, wherein the rotating structure comprises a bearing fixed to the elevator and a shaft fixed to the hoistway platform and mounted in the bearing.
3. The portable elevator connection platform of claim 1, wherein the swivel structure comprises two-fold hinges secured to the elevator and hoistway platforms, respectively.
4. The portable elevator connection platform of claim 1, wherein the rotating structure comprises an L-shaped connector fixed to the elevator at one end and a cylindrical drum in which the other end is disposed, the connector being a clearance fit with the drum, the drum being welded to the access platform.
5. The portable elevator connection platform of claim 1, wherein the swivel structure comprises a swivel bar fixedly attached to the rear end of the access platform, a drive gear fixedly attached to the swivel bar and coaxially rotatable, and a drive motor engaged with the drive gear.
6. The portable elevator connection platform of claim 5, wherein the drive motor is a three-phase motor powered by a three-phase power source, and a forward/reverse rotation control circuit and a motor switch control circuit are disposed between the three-phase motor and the three-phase power source.
7. The portable elevator connection platform of claim 6, wherein the forward and reverse rotation control circuit comprises a first relay and a second relay, and the motor switch control circuit comprises a tenth relay, an eleventh relay, and a twelfth relay; the first power line of the three-phase power supply is electrically connected with the normally open contact of the first relay, the normally open contact of the tenth relay and the first power line of the three-phase motor in sequence through wires, the first power line of the three-phase power supply is electrically connected with the normally open contact of the first relay and the normally closed contact of the tenth relay in sequence through wires, the first power line of the three-phase power supply is electrically connected with the normally closed contact of the second relay, the normally open contact of the eleventh relay and the second power line of the three-phase motor in sequence through wires, and the first power line of the three-phase power supply is electrically connected with the normally closed contact of the second relay and the normally closed contact of the eleventh relay in sequence through wires; the second power line of the three-phase power supply is electrically connected with the normally closed contact of the first relay, the normally open contact of the tenth relay and the first power line of the three-phase motor in sequence through wires, the second power line of the three-phase power supply is electrically connected with the normally closed contact of the first relay and the normally closed contact of the tenth relay in sequence through wires, the second power line of the three-phase power supply is electrically connected with the normally open contact of the second relay, the normally open contact of the eleventh relay and the second power line of the three-phase motor in sequence through wires, and the second power line of the three-phase power supply is electrically connected with the normally open contact of the second relay and the normally closed contact of the eleventh relay in sequence through wires; and the third power line of the three-phase power supply is electrically connected with the normally open contact of the twelfth relay and the third power line of the three-phase motor in sequence through wires, and the third power line of the three-phase power supply is electrically connected with the normally closed contact of the twelfth relay through wires.
8. The portable elevator connection platform of claim 7, wherein the first, second, tenth, eleventh, and twelfth relays all employ single pole switching relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022764.1U CN211338441U (en) | 2019-11-21 | 2019-11-21 | Portable elevator connecting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022764.1U CN211338441U (en) | 2019-11-21 | 2019-11-21 | Portable elevator connecting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338441U true CN211338441U (en) | 2020-08-25 |
Family
ID=72092653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922022764.1U Expired - Fee Related CN211338441U (en) | 2019-11-21 | 2019-11-21 | Portable elevator connecting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338441U (en) |
-
2019
- 2019-11-21 CN CN201922022764.1U patent/CN211338441U/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: 20200825 Termination date: 20211121 |