CN220618054U - Safety protection device for building construction lifter - Google Patents
Safety protection device for building construction lifter Download PDFInfo
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- CN220618054U CN220618054U CN202322300146.5U CN202322300146U CN220618054U CN 220618054 U CN220618054 U CN 220618054U CN 202322300146 U CN202322300146 U CN 202322300146U CN 220618054 U CN220618054 U CN 220618054U
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- 238000009435 building construction Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model relates to a safety protection device for a building construction elevator, which comprises an elevator car, wherein the elevator car comprises a bottom plate arranged at the bottom of the elevator car and a car door arranged at one end opposite to a floor plate, a limit groove is arranged on the bottom surface of the bottom plate, an extension plate is connected in a sliding manner in the limit groove, the extension plate is provided with a limit hole, the extension plate is connected with a first driving mechanism, and the first driving mechanism drives the extension plate to move along the limit groove towards the direction of the floor plate so as to cover a gap between the elevator car and the floor plate; a second driving mechanism is fixedly arranged on the floor plate close to the car door and is connected with a limiting piece; when the extension board moves to lean against the floor board, the second driving mechanism drives the limiting piece to move towards the extension board and is inserted into the limiting holes with opposite positions so as to lock the extension board. The safety protection device solves the problem of gaps between the elevator car and the floor, and improves the stability of the construction elevator.
Description
Technical Field
The utility model belongs to the technical field of construction elevators, and particularly relates to a safety protection device for a building construction elevator.
Background
The construction elevator is usually called as a construction elevator, but the construction elevator comprises a wider definition, a construction platform also belongs to a construction elevator series, and the simple construction elevator consists of a lift car, a driving mechanism, a standard section, a wall attached part, a chassis, a fence, an electric system and the like, is a person-carrying and cargo-carrying construction machine frequently used in a building, is comfortable and safe to sit due to a unique box body structure, is usually used together with a tower crane on a construction site, and has a general loading capacity of 0.3-3.6 tons and an operation speed of 1-96M/min. The construction elevators produced in China are more mature and gradually go to the world.
The existing building construction elevator mostly has gaps when in lifting and floor butt joint, users mostly stride over or lay lining boards when passing through, the shaking performance of the construction elevator is large, the user can shake relatively in the elevator, and in addition, the user can fall down unstably to cause injury through the gaps when entering the floor, and the elevator is unfavorable for transporting goods.
Disclosure of Invention
The utility model aims to provide a safety protection device for a building construction elevator, which solves the problem of gaps between an elevator car and a floor, and improves the stability of the construction elevator.
The technical scheme of the utility model is that the safety protection device for the building construction elevator comprises an elevator car, wherein the elevator car comprises a bottom plate arranged at the bottom of the elevator car and a car door arranged at one end opposite to a floor plate, a limit groove is formed in the bottom surface of the bottom plate, an extension plate is connected in a sliding manner in the limit groove, the extension plate is provided with a limit hole, the extension plate is connected with a first driving mechanism, and the first driving mechanism drives the extension plate to move towards the floor plate along the limit groove so as to cover a gap between the elevator car and the floor plate; a second driving mechanism is fixedly arranged on the floor plate close to the car door, and is connected with a limiting piece; when the extension board moves to lean against the floor board, the second driving mechanism drives the limiting piece to move towards the extension board and insert into the limiting holes with opposite positions so as to lock the extension board.
In some embodiments: the extension plate is arranged so that the horizontal position of the extension plate is higher than the horizontal position of the floor plate when the lift car stops at the floor plate, so that the extension plate moves to the upper end of the floor plate along the limit groove towards the floor plate direction.
In some embodiments: the limiting holes are symmetrically formed in the side walls of the two ends of the extension plate, which are clamped with the limiting grooves, and one or more limiting holes are formed in the side walls of each end.
In some embodiments: the limiting parts are arranged on the floor plate close to the car door in a position opposite to the car door, and when the extension plate abuts against the upper end of the floor plate, the limiting parts are inserted into the limiting holes with opposite positions from two sides of the extension plate respectively so as to lock the extension plate.
In some embodiments: the safety device further comprises a floor protection ladder door assembly which is arranged right opposite to the car door and parallel to the car door, and the floor protection ladder door assembly comprises a floor protection ladder door frame fixedly arranged on a floor plate and a floor protection ladder door which is connected in the floor protection ladder door frame in a sliding manner.
In some embodiments: the limiting piece is connected to the bottom of the floor protective ladder door in a sliding way; when the floor protective ladder door is opened and the extension plate is abutted against the upper end of the floor plate, the second driving mechanism drives the limiting piece to move towards the extension plate and is inserted into the limiting hole with opposite positions so as to lock the extension plate; when the floor protective ladder door is ready to be closed, the second driving mechanism drives the limiting piece to move out of the limiting hole and retract back to the bottom of the floor protective ladder door.
In some embodiments: the safety device further comprises a third driving mechanism connected with the car door and a fourth driving mechanism connected with the floor protection ladder door.
In some embodiments: the safety protection device further comprises a controller and a first sensor arranged on the car, wherein the controller is respectively connected with the first sensor, the third driving mechanism and the fourth driving mechanism; when the car reaches a specified floor, the first sensor detects that the horizontal position of the extension plate is higher than the horizontal position of the floor plate and transmits signals to the controller, and the controller controls the third driving mechanism and the fourth driving mechanism to drive the car door and the floor protection door synchronous switch.
In some embodiments: the safety protection device further comprises a second sensor arranged on the car door, a third sensor arranged on the extension plate and a fourth sensor arranged on the limiting piece, wherein the second sensor, the third sensor and the fourth sensor are respectively connected with a controller, and the controller is also respectively connected with the first driving mechanism and the second driving mechanism; when the second sensor detects that the car door and the floor protection ladder door are synchronously opened, a signal is transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove towards the floor plate; when the third sensor detects that the extension plate is abutted against the upper end of the floor plate, a signal is transmitted to the controller, and the controller controls the second driving mechanism to push the limiting piece to move along the direction of the extension plate, so that the limiting piece is inserted into the limiting holes with opposite positions to lock the extension plate; when the second sensor detects that the car door and the floor protective ladder door are synchronously closed, a signal is transmitted to the controller, and the controller controls the second driving mechanism to drive the limiting piece to move out of the limiting hole and retract back to the bottom of the floor protective ladder door; when the fourth sensor detects that the limiting piece moves out of the limiting hole, signals are transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove in the direction away from the floor plate and retract into the limiting groove.
Compared with the prior art, the utility model has the beneficial effects that:
by arranging the extension plate at the bottom of the traditional building construction elevator, the problem of clearance between an elevator car and a floor plate can be solved by moving the extension plate when the construction elevator is in butt joint with the floor; meanwhile, the limiting piece is inserted into the limiting hole to lock the extension plate by matching the limiting piece with the limiting hole formed in the extension plate, so that the shaking amplitude of the lift car is reduced, the stability between the construction elevator and the floor is improved, and the stability and safety of personnel or goods in and out of the lift car are guaranteed.
Drawings
Fig. 1 is a schematic perspective view of an elevator car and floor guard door assembly of the present utility model;
fig. 2 is a schematic structural view of the car door and floor landing door assembly of the present utility model;
FIG. 3 is a schematic cross-sectional view of one positional relationship of an extension board of the present utility model to a floor board;
FIG. 4 is a perspective view of another positional relationship of the extension board and floor board of the present utility model;
FIG. 5 is a schematic elevational cross-section of the extension plate of the present utility model in a locked condition;
fig. 6 is a schematic circuit connection diagram of the safety device for the building construction lifter of the present utility model.
Description of main reference numerals:
| car 1 | Bottom plate 11 | Limiting groove 111 | Car door 12 |
| Extension plate 13 | Limiting hole 131 | Floor board 2 | First drive mechanism 3 |
| First hydraulic cylinder 31 | Second drive mechanism 4 | Second hydraulic cylinder 41 | Spacing piece 5 |
| Landing protective landing door assembly 6 | Landing protective ladder door frame 61 | Floor protective ladder door 62 |
Detailed Description
The utility model will be further described in detail below with reference to the accompanying drawings:
referring to fig. 1-5, the utility model provides a safety protection device for a building construction elevator, which comprises an elevator car 1, wherein the car 1 comprises a bottom plate 11 arranged at the bottom of the car and a car door 12 arranged at one end opposite to a floor plate 2; the bottom surface of the bottom plate 11 is provided with a limit groove 111, an extension plate 13 is connected in a sliding manner in the limit groove 111, the extension plate 13 is provided with a limit hole 131, the extension plate 13 is connected with a first driving mechanism 3, and the first driving mechanism 3 drives the extension plate 13 to move towards the floor plate 2 along the limit groove 111 so as to cover a gap between the lift car 1 and the floor plate 2; a second driving mechanism 4 is fixedly arranged on the floor plate 2 close to the car door 12, and the second driving mechanism 4 is connected with a limiting piece 5; when the extension plate 13 moves against the floor plate 2, the second driving mechanism 4 drives the limiting member 5 to move towards the extension plate 13 and insert into the opposite limiting hole 131 to lock the extension plate 13. Because the clearance problem between car and the floor has been solved to the extension plate structure has been adopted to through the locating part on the floor and the spacing hole cooperation on the extension plate, thereby lock the extension plate, with the reduction car range of rocking, and then improved the stability of car, stability and security when having guaranteed personnel or goods business turn over car.
In this embodiment, the first driving mechanism 3 includes a first hydraulic cylinder 31 and an oil pump (not shown in the drawing), the output end of the first hydraulic cylinder 31 is fixedly connected to the end of the extension board 13 far away from the floor board 2 through a bolt, and the extension board 13 is driven to reciprocate along the limit groove 111 by matching the first hydraulic cylinder 31 with the oil pump.
In this embodiment, the second driving mechanism 4 includes a second hydraulic cylinder 41 and an oil pump (not shown in the drawing), where an output end of the second hydraulic cylinder 41 is welded at one end of the limiting member 5, and the second hydraulic cylinder 41 cooperates with the oil pump to drive the limiting member 5 to reciprocate.
In other embodiments, the first driving mechanism and the second driving mechanism can adopt a cylinder structure to drive the extension plate and the limiting piece to reciprocate; the structure of the driving motor and the movable rod can also be adopted to drive the extension plate and the limiting piece to reciprocate.
It should be noted that, the shape of the limiting member may be a columnar shape, a block shape, a sheet shape, or the like, which is not limited herein; the second driving mechanism drives the limiting piece to be inserted into the limiting hole which is matched with the second driving mechanism in shape and opposite to the second driving mechanism in position so as to lock the extension plate.
In some embodiments, as described with reference to fig. 3-4, when the car 1 stops at the floor 2, the horizontal position of the extension plate 13 is higher than the horizontal position of the floor 2, so that the extension plate 13 moves along the limit slot 111 toward the floor 2 to the upper end of the floor 2.
In some embodiments, the extension plate 13 is inclined to the floor plate at the end opposite to the floor plate, when the extension plate 13 abuts against the upper end of the floor plate 2, the extension plate 13 and the floor plate 2 are formed with slopes to reduce the influence of the height difference between the extension plate 13 and the floor plate 2, so that the cargo transportation is facilitated.
In this embodiment, as shown in fig. 3, the limiting holes 131 are symmetrically disposed on two side walls of the extending plate 13, which are clamped with the limiting groove 111, and each side wall is provided with a limiting hole 131; when the extension plate 13 abuts against the upper end of the floor plate 2 and the extension plate 13 is the maximum length of pushing out, the limiting hole 131 and the limiting piece 5 are located at opposite positions, and the second driving mechanism 4 drives the two limiting pieces 5 to move towards the extension plate 13 respectively and insert into the limiting hole 131.
In other embodiments, the limiting holes 131 are symmetrically arranged on the side walls at two ends of the extension plate 13, which are clamped with the limiting grooves 111, each side wall is provided with a plurality of limiting holes 131, and the limiting piece 5 is selectively inserted into different limiting holes 131 according to the gap size between the car 1 and the floor plate 2, so that the extension plate 13 is locked while the cover requirements of different gap sizes are met.
In some embodiments, two limiting members 5 are provided, the two limiting members 5 are oppositely disposed on the floor slab 2 near the car door 12, and when the extension slab 13 abuts against the upper end of the floor slab 2, the limiting members 5 are respectively inserted into the opposite limiting holes 131 from both sides of the extension slab to lock the extension slab 13.
As described with reference to fig. 1-2, the safety protection device further includes a floor protection door assembly 6 disposed directly opposite to the car door 12 and parallel to the car door 12, the floor protection door assembly 6 includes a floor protection door frame 61 fixed on the floor plate 2 and a floor protection door 62 embedded in the floor protection door frame 61, and the floor protection door 62 is slidably connected with the floor protection door frame 61; through adopting floor protection ladder door subassembly structure, prevent effectively that the high accident that weighs down from taking place, play safety protection effect.
In some embodiments, the limiting piece 5 is slidingly connected to the bottom of the floor protective landing door 62; when the floor protection ladder door 62 is opened and the extension plate 13 abuts against the upper end of the floor plate 2, the second driving mechanism 4 drives the limiting piece 5 to move towards the extension plate 13 and insert into the limiting hole 131 opposite to the extension plate 13 to lock the extension plate 13.
In this embodiment, referring to fig. 5, two limiting members 5 are slidably connected to the bottom of the landing door 62 in a position opposite to each other; when the floor protective ladder door 62 is opened to two sides and the extension plate 13 is abutted against the upper end of the floor plate 2, the second driving mechanism 4 drives the two limiting pieces 5 to be respectively inserted into the limiting holes 131 opposite to each other from two sides of the extension plate 13 so as to lock the extension plate 13; when the floor protection door 62 is ready to be closed, the second driving mechanism 4 drives the two limiting pieces 5 to move out of the limiting holes 131 and retract back to the bottom of the floor protection door 62.
The safety device further includes a third drive mechanism connected to the car door 12 for driving the car door 12 to open and close, and a fourth drive mechanism connected to the floor landing door 62 for driving the floor landing door 62 to open and close.
In this embodiment, the third driving mechanism and the fourth driving mechanism are driving motors.
In other embodiments, the third driving mechanism and the fourth driving mechanism may also use driving elements such as an air cylinder or a liquid cylinder.
In some embodiments, referring to fig. 6, the safety device further includes a controller and a first sensor disposed on the car, where the controller is further connected to the first sensor, the third driving mechanism, and the fourth driving mechanism, respectively; when the car reaches a specified floor, the first sensor detects that the horizontal position of the extension plate is higher than the horizontal position of the floor plate and transmits signals to the controller, and the controller controls the third driving mechanism and the fourth driving mechanism to drive the car door and the floor protection door synchronous switch. The first sensor is arranged on the lift car, so that the horizontal position of the extension plate is more accurately positioned higher than the horizontal position of the floor plate.
In some embodiments, the safety device further comprises a second sensor provided on the car door, a third sensor provided on the extension plate, and a fourth sensor provided on the limit stop, the second sensor, the third sensor, the fourth sensor being respectively connected to a controller, the controller being further respectively connected to the first drive mechanism and the second drive mechanism; when the second sensor detects that the car door and the floor protection ladder door are synchronously opened, a signal is transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove towards the floor plate; when the third sensor detects that the extension plate is abutted against the upper end of the floor plate, a signal is transmitted to the controller, and the controller controls the second driving mechanism to push the limiting piece to move along the direction of the extension plate, so that the limiting piece is inserted into the limiting holes with opposite positions to lock the extension plate; when the second sensor detects that the car door and the floor protective ladder door are synchronously closed, a signal is transmitted to the controller, and the controller controls the second driving mechanism to drive the limiting piece to move out of the limiting hole and retract back to the bottom of the floor protective ladder door; when the fourth sensor detects that the limiting piece moves out of the limiting hole, signals are transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove in the direction away from the floor plate and retract into the limiting groove.
The working principle of the safety protection device for the building construction lifter is as follows:
when an elevator car 1 reaches a designated floor, a first sensor detects that the horizontal position of an extension plate 13 is higher than the horizontal position of a floor plate 2 and transmits signals to a controller, and the controller controls a third driving mechanism and a fourth driving mechanism to drive a car door 12 to be synchronously opened with a floor protection ladder door 62;
when the second sensor detects that the car door 12 and the floor protection landing door 62 are synchronously opened, a signal is transmitted to the controller, and the controller controls the first driving mechanism 3 to drive the extension plate 13 to move towards the floor plate 2 along the limit groove 111 so as to cover a gap between the car 1 and the floor plate 2;
thirdly, when the third sensor detects that the extension plate 13 passes through the floor protective ladder door 62 and abuts against the upper end of the floor plate 2, a signal is transmitted to the controller, and the controller controls the second driving mechanism 4 to drive the limiting piece 5 to move towards the extension plate 13 and insert into the limiting hole 131 with the opposite position so as to lock the extension plate 13;
when the elevator car 1 is ready to leave a designated floor, the controller controls the third driving mechanism and the fourth driving mechanism to drive the car door and the floor protection ladder door to be synchronously closed;
when the second sensor detects that the car door and the floor protective ladder door are synchronously closed, a signal is transmitted to the controller, and the controller controls the second driving mechanism 4 to drive the limiting piece 5 to move away from the extension plate 13, so that the limiting piece 5 moves out of the limiting hole 131;
when the fourth sensor detects that the limiting piece 5 moves out of the limiting hole 131, a signal is transmitted to the controller, and the controller controls the first driving mechanism 3 to drive the extension plate 13 to move along the limiting groove 111 in the direction away from the floor, so that the extension plate 13 is retracted into the limiting groove 111 of the bottom plate 11.
The safety device for the building construction elevator provided by the embodiment of the application adopts the extension plate structure to solve the problem of gaps between an elevator car and a floor plate, and is matched with a limiting hole on the extension plate through a limiting piece on the floor plate, so that the extension plate is locked, the shaking amplitude of the car is reduced, the stability of the car is improved, and the stability and the safety of people or cargoes in and out of the car are ensured.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. The safety protection device for the building construction elevator comprises an elevator car, wherein the elevator car comprises a bottom plate arranged at the bottom of the elevator car and a car door arranged at one end opposite to a floor plate,
the bottom surface of the bottom plate is provided with a limit groove, an extension plate is connected in the limit groove in a sliding manner, the extension plate is provided with a limit hole, the extension plate is connected with a first driving mechanism, and the first driving mechanism drives the extension plate to move along the limit groove towards the floor plate direction so as to cover a gap between the lift car and the floor plate;
a second driving mechanism is fixedly arranged on the floor plate close to the car door, and is connected with a limiting piece; when the extension board moves to lean against the floor board, the second driving mechanism drives the limiting piece to move towards the extension board and insert into the limiting holes with opposite positions so as to lock the extension board.
2. The safety device for a building construction elevator according to claim 1, wherein the extension plate is disposed so that a horizontal position is higher than a horizontal position of the floor plate when the car stops at the floor plate, so that the extension plate moves to an upper end of the floor plate in a floor plate direction along the limit groove.
3. The safety device for the building construction lifter according to claim 2, wherein the limiting holes are symmetrically formed in two side walls of the two ends of the extension plate, which are clamped with the limiting grooves, and each side wall is provided with one or more limiting holes.
4. A safety device for a building construction lifter according to claim 3, wherein the stopper is provided in two positions oppositely provided on the floor plate near the car door, and when the extension plate abuts against the upper end of the floor plate, the stopper is inserted into the opposite position limiting holes from both sides of the extension plate to lock the extension plate, respectively.
5. The safety shield for a building construction elevator according to any one of claims 1-4, further comprising a floor landing door assembly disposed directly opposite and parallel to the car door, the floor landing door assembly comprising a floor landing door frame secured to the floor slab and a floor landing door slidably connected within the floor landing door frame.
6. The safety device for a building construction elevator according to claim 5, wherein a stopper is slidably connected to the bottom of the landing door;
when the floor protective ladder door is opened and the extension plate is abutted against the upper end of the floor plate, the second driving mechanism drives the limiting piece to move towards the extension plate and is inserted into the limiting hole with opposite positions so as to lock the extension plate; when the floor protective ladder door is ready to be closed, the second driving mechanism drives the limiting piece to move out of the limiting hole and retract back to the bottom of the floor protective ladder door.
7. The safety shield apparatus for a construction elevator according to claim 6, further comprising a third drive mechanism coupled to the car door and a fourth drive mechanism coupled to the floor shield door.
8. The safety device for a building construction elevator according to claim 7, further comprising a controller and a first sensor provided on the car, the controller being connected to the first sensor, the third driving mechanism, and the fourth driving mechanism, respectively;
when the car reaches a specified floor, the first sensor detects that the horizontal position of the extension plate is higher than the horizontal position of the floor plate and transmits signals to the controller, and the controller controls the third driving mechanism and the fourth driving mechanism to drive the car door and the floor protection door synchronous switch.
9. The safety device for a construction hoist according to claim 8, further comprising a second sensor provided on a car door, a third sensor provided on an extension plate, and a fourth sensor provided on a stopper, the second sensor, the third sensor, and the fourth sensor being respectively connected to a controller, the controller being further respectively connected to a first driving mechanism and a second driving mechanism;
when the second sensor detects that the car door and the floor protection ladder door are synchronously opened, a signal is transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove towards the floor plate; when the third sensor detects that the extension plate is abutted against the upper end of the floor plate, a signal is transmitted to the controller, and the controller controls the second driving mechanism to push the limiting piece to move along the direction of the extension plate, so that the limiting piece is inserted into the limiting holes with opposite positions to lock the extension plate;
when the second sensor detects that the car door and the floor protective ladder door are synchronously closed, a signal is transmitted to the controller, and the controller controls the second driving mechanism to drive the limiting piece to move out of the limiting hole and retract back to the bottom of the floor protective ladder door; when the fourth sensor detects that the limiting piece moves out of the limiting hole, signals are transmitted to the controller, and the controller controls the first driving mechanism to push the extension plate to move along the limiting groove in the direction away from the floor plate and retract into the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300146.5U CN220618054U (en) | 2023-08-25 | 2023-08-25 | Safety protection device for building construction lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322300146.5U CN220618054U (en) | 2023-08-25 | 2023-08-25 | Safety protection device for building construction lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618054U true CN220618054U (en) | 2024-03-19 |
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ID=90224034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322300146.5U Active CN220618054U (en) | 2023-08-25 | 2023-08-25 | Safety protection device for building construction lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618054U (en) |
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2023
- 2023-08-25 CN CN202322300146.5U patent/CN220618054U/en active Active
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