CN217054273U - Elevator shaft lifting construction protection operation platform - Google Patents
Elevator shaft lifting construction protection operation platform Download PDFInfo
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- CN217054273U CN217054273U CN202220681874.8U CN202220681874U CN217054273U CN 217054273 U CN217054273 U CN 217054273U CN 202220681874 U CN202220681874 U CN 202220681874U CN 217054273 U CN217054273 U CN 217054273U
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Abstract
The utility model relates to the technical field of elevator shaft construction, in particular to an elevator shaft lifting construction protection operating platform, which comprises a protection platform capable of being hung and lowered into an elevator shaft, a plurality of telescopic blocks movably inserted on the side surface of the protection platform, a driving mechanism arranged in the protection platform and a lifting mechanism arranged on the upper surface of the protection platform; the driving mechanism is used for driving the telescopic block to extend out of the protection platform so that the telescopic block penetrates into a reserved hole in the wall of the elevator shaft to support the protection platform; the lifting mechanism is used for supporting workers to ascend or descend. The utility model discloses can support and reserve the entrance to a cave at the elevator wall of a well to adjust workman's construction height.
Description
Technical Field
The utility model relates to an elevartor shaft construction technical field, in particular to elevartor shaft construction protection operation platform.
Background
In the construction of elevator shaft, the elevator shaft operating platform is usually required to be built in the elevator shaft, and the operation such as building, wiring and the like in the elevator shaft is conveniently carried out on the platform by workers.
At present, the construction of an elevator shaft operating platform mainly adopts two modes: firstly, a frame is erected from bottom to top to serve as a protection and construction operation platform, the method is high in construction cost, potential safety hazards increase along with increase of height, and daily maintenance is inconvenient; and secondly, a plurality of traditional finished elevator shaft operating platforms are used, the cost is increased because the floor heights are required to be customized when the floor heights are variable, and the height is required to be adjusted by placing a door-shaped frame on the platform during the construction of an elevator shaft internal model, so that the construction is not convenient enough.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims to provide an elevartor shaft lift construction protection operation platform can support and reserve the entrance to a cave at the elevator wall of a well to adjust workman's construction height.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the protective operation platform for the elevator shaft lifting construction comprises a protective platform which can be hung and lowered into an elevator shaft, a plurality of telescopic blocks which are movably inserted into the side surface of the protective platform, a driving mechanism arranged in the protective platform and a lifting mechanism arranged on the upper surface of the protective platform; the driving mechanism is used for driving the telescopic block to extend out of the protection platform so that the telescopic block penetrates into a reserved hole in the wall of the elevator shaft to support the protection platform; the lifting mechanism is used for supporting workers to ascend or descend.
Preferably, the number of the telescopic blocks is four, and the four telescopic blocks are movably inserted at four corners of the protection platform respectively.
Preferably, the driving mechanism comprises a double-shaft stepping motor and two screw rods; the two ends of the protection platform are both provided with sliding chutes extending along the length direction of the protection platform in a penetrating manner, and the middle part of the upper surface of the protection platform is provided with a mounting groove extending along the width direction of the protection platform and communicated with the two sliding chutes; the four telescopic blocks are movably inserted into four groove openings of the two sliding grooves respectively; the two screw rods are respectively arranged in the two sliding grooves, two ends of each screw rod are respectively connected with the corresponding positive and negative threads of the telescopic block, and the middle parts of the screw rods are coaxially and fixedly connected with worm gears; the double-shaft stepping motor is fixedly arranged in the mounting groove, the end parts of two output shafts of the double-shaft stepping motor are coaxially and fixedly connected with worms, and one ends of the two worms, far away from the output shafts, are respectively in transmission connection with corresponding worm gears; the double-shaft stepping motor drives the worm to rotate, and the worm wheel and the worm are connected in a transmission mode to drive the screw rod to rotate, so that the two telescopic blocks at the two ends of the screw rod are synchronously far away from each other and extend out of the sliding groove under the action of reverse threads, or are synchronously close to each other and retract into the sliding groove.
Preferably, a cover plate for opening and closing the mounting groove is vertically and rotatably connected to the notch of the mounting groove.
Preferably, an output shaft of the double-shaft stepping motor is coaxially and fixedly connected with the worm through a coupler.
Preferably, the worm is mounted in the mounting groove by a bearing block.
Preferably, an upper limit switch is arranged at the position of the chute notch on the protection platform, and a lower limit switch is arranged between the telescopic block and the worm wheel on the inner wall of the chute; and the upper limit switch and the lower limit switch are electrically connected with the double-shaft stepping motor.
Preferably, the lifting mechanism is a scissor hydraulic lifter.
Preferably, the four corners of the upper surface of the protection platform are provided with hooks.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model provides an elevator shaft lifting construction protection operation platform, which adopts a protection platform capable of being hung and lowered into an elevator shaft and a plurality of flexible blocks movably inserted on the side surface of the protection platform, can drive the flexible blocks to extend out of the protection platform through a driving mechanism so that the flexible blocks penetrate into a reserved hole on the wall of the elevator shaft to support the protection platform, and can support workers to ascend or descend to meet the requirement of construction height through a lifting mechanism arranged on the protection platform; compared with the prior art, the utility model does not need to set up a plurality of shelves from bottom to top, thereby saving the cost, having high safety and convenient maintenance; meanwhile, the height of the steel plate is not required to be adjusted by additionally arranging a portal frame, so that the steel plate is more convenient to construct and can be recycled.
Drawings
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a perspective view of the protection platform of the present invention;
fig. 4 is a perspective sectional view of the protective platform of the present invention;
fig. 5 is a perspective view of the driving mechanism of the present invention;
fig. 6 is a top view of the drive mechanism of the present invention;
fig. 7 is a partial cross-sectional view of one preferred embodiment of the present invention.
In the attached drawings, 1, a protection platform; 11. a chute; 12. mounting grooves; 121. a cover plate; 2. a telescopic block; 31. a biaxial stepping motor; 32. a screw rod; 33. a worm gear; 34. a worm; 4. a lifting mechanism; 5. a coupling; 6. a bearing seat; 7. a hook; 81. an upper limit switch; 82. a lower limit switch.
Detailed Description
The technical solutions of the present invention will be described in detail and fully below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the technical personnel in the field without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but not for indication or suggestion that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case to those skilled in the art.
Referring to fig. 1-6, the elevator shaft lifting construction protection operation platform provided by the embodiment includes a protection platform 1, a plurality of telescopic blocks 2, a driving mechanism and a lifting mechanism 4; the protection platform 1 is square and the size of the protection platform is slightly smaller than the size of the well mouth of the elevator shaft, so that the protection platform 1 can be hung on the protection platform 1 placed in the elevator shaft; the protection platform comprises a plurality of telescopic blocks 2, a driving mechanism and a protective platform, wherein the telescopic blocks 2 are movably inserted into the side surface of the protective platform 1, and the driving mechanism is arranged in the protective platform 1 to drive the telescopic blocks 2 to extend out of the protective platform 1 so that the telescopic blocks 2 penetrate into a reserved hole in the wall of the elevator shaft to support the protective platform 1; the lifting mechanism 4 is installed on the upper surface of the protection platform 1 to support a worker to ascend or descend.
In this embodiment, the number of the telescopic blocks 2 can be set to four, and the four telescopic blocks 2 are movably inserted at four corners of the protection platform 1 respectively. Specifically, the driving mechanism comprises a double-shaft stepping motor 31 and two screw rods 32; the model of the double-shaft stepping motor 31 is 57HZ80-22, two ends of the protection platform 1 are both provided with sliding grooves 11 extending along the length direction of the protection platform 1 in a penetrating manner, and the middle part of the upper surface of the protection platform 1 is provided with mounting grooves 12 extending along the width direction of the protection platform 1 and communicated with the two sliding grooves 11; the four telescopic blocks 2 are movably inserted into four groove openings of the two sliding grooves 11 respectively; the two screw rods 32 are respectively arranged in the two chutes 11 in a penetrating and rotating manner, two ends of each screw rod 32 are respectively connected with the corresponding positive and negative threads of the telescopic block 2, and the middle parts of the screw rods 32 are coaxially and fixedly connected with worm gears 33; the double-shaft stepping motor 31 is fixedly arranged in the mounting groove 12, the end parts of two output shafts of the double-shaft stepping motor 31 are coaxially and fixedly connected with worms 34, and one ends of the two worms 34 far away from the output shafts are respectively in transmission connection with corresponding worm wheels 33. During the use, biax step motor 31 drive worm 34 rotates, the transmission through worm wheel 33 and worm 34 is connected and is driven lead screw 32 and rotate, make two flexible pieces 2 at lead screw 32 both ends keep away from each other in step under reverse screw's effect and stretch out spout 11 in order to wear to put into elevator shaft wall reservation hole in, thereby support protection platform 1, perhaps make two flexible pieces 2 be close to each other in step and withdrawal spout 11, thereby make protection platform 1 lose the restriction of the elevator shaft wall in order to hang out or put down protection platform 1.
On the basis of the above embodiment, the cover plate 121 can be vertically and rotatably connected to the notch of the mounting groove 12, and when the dual-shaft stepping motor 31 operates, the cover plate 121 is covered to close the mounting groove 12, so as to prevent the dual-shaft stepping motor 31 from being affected by falling objects; the cover plate 121 is opened when maintenance is needed, and the use is convenient.
Furthermore, an output shaft of the double-shaft stepping motor 31 can be coaxially and fixedly connected with the worm 34 through a coupler 5, the coupler 5 firmly couples the output shaft of the double-shaft stepping motor 31 and the worm 34 to rotate together and transmit movement and torque to the worm 34, and the worm 34 can be prevented from bearing overlarge load to play a role in overload protection.
Wherein, can also set up worm 34 and install in mounting groove 12 through bearing frame 6, the bearing in the bearing frame 6 cup joints on worm 34, can reduce the coefficient of friction of worm 34 rotation in-process to guarantee its gyration precision.
In a specific embodiment, the lifting mechanism 4 may be a scissor hydraulic lifter, which is a common special device for high-altitude operations, and the lifting of the cargo platform is completed by unfolding and folding the scissor-type supporting frame, and the power of the scissor hydraulic lifter is to push the scissors to unfold and fold through the extension and retraction of the oil cylinder. The shearing fork mechanical structure of the lifting platform has higher stability, a wide operation platform and higher bearing capacity, makes the range of high-altitude operation larger and is suitable for simultaneous operation of a plurality of people.
As the preferred embodiment, arc-shaped lifting hooks 7 can be welded at four corners of the upper surface of the protection platform 1, so that when the lifting device lifts the protection platform 1 through the four lifting hooks 7, the protection platform 1 is stressed more uniformly and moves more stably.
Referring to fig. 7, in another preferred embodiment, an upper limit switch 81 is provided on the protective platform 1 at the notch of the sliding chute 11, and a lower limit switch 82 is provided on the inner wall of the sliding chute 11 between the telescopic block 2 and the worm wheel 33; the upper limit switch 81 and the lower limit switch 82 are both electrically connected with the double-shaft stepping motor 31, and when the telescopic block 2 moves between the upper limit switch 81 and the lower limit switch 82, the double-shaft stepping motor 31 normally works; when the telescopic block 2 extends to touch the upper limit switch 81 or retracts to touch the lower limit switch 82, the upper limit switch 81 and the lower limit switch 82 can both disconnect the circuit of the double-shaft stepping motor 31, and the telescopic block 2 is prevented from excessively extending to separate from the chute 11 or excessively retracting to separate from the thread part of the screw rod 32. It should be noted that the upper limit switch 81 and the lower limit switch 82 are preferably single-wheel roller type limit switches of type LX 19-121.
The utility model discloses a working process and principle:
firstly, hoisting a protection platform 1 by using a hanging device, moving the protection platform 1 and putting the protection platform 1 into an elevator shaft, enabling four telescopic blocks 2 to be respectively aligned with four reserved holes on two sides of the elevator shaft wall, then enabling an output shaft of a double-shaft stepping motor 31 to rotate in a forward direction through a switch of the double-shaft stepping motor 31 to drive a worm 34 to rotate, enabling the worm 34 to rotate and driving a screw rod 32 to rotate through transmission connection with a worm wheel 33, and enabling two telescopic blocks 2 at two ends of the screw rod 32 to synchronously keep away from each other and extend out of a sliding chute 11 to penetrate into the reserved holes on the elevator shaft wall due to the fact that two ends of the screw rod 32 are respectively in positive and negative threaded connection with the corresponding telescopic blocks 2, so that the protection platform 1 is supported; after the protection platform 1 is supported stably, the worker stands up and the lifting mechanism 4 adjusts the construction height through the lifting mechanism 4 to be constructed after the construction height is suitable.
After the construction, reuse cable suspension device and connect protection platform 1, the switch of rethread biax step motor 31 makes biax step motor 31's output shaft antiport for two flexible pieces 2 are close to each other in step and withdrawal spout 11, thereby make protection platform 1 lose the restriction of the elevator wall of a well, can hang out protection platform 1 through cable suspension device at last.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.
Claims (9)
1. Elevator shaft lift construction protection operation platform, its characterized in that: comprises a protective platform (1) which can be hung and lowered into an elevator shaft, a plurality of telescopic blocks (2) which are movably inserted into the side surface of the protective platform (1), a driving mechanism arranged in the protective platform (1) and a lifting mechanism (4) arranged on the upper surface of the protective platform (1); the driving mechanism is used for driving the telescopic block (2) to extend out of the protection platform (1) so that the telescopic block (2) penetrates into a reserved hole in the wall of the elevator shaft to support the protection platform (1); the lifting mechanism (4) is used for supporting workers to ascend or descend.
2. The elevator shaft lifting construction protection operation platform of claim 1, characterized in that: the number of the telescopic blocks (2) is four, and the four telescopic blocks (2) are movably inserted at four corners of the protection platform (1) respectively.
3. The elevator shaft lifting construction protection operation platform of claim 2, characterized in that: the driving mechanism comprises a double-shaft stepping motor (31) and two screw rods (32); the two ends of the protection platform (1) are respectively provided with a sliding chute (11) extending along the length direction of the protection platform (1) in a penetrating manner, and the middle part of the upper surface of the protection platform (1) is provided with a mounting groove (12) extending along the width direction of the protection platform (1) and communicated with the two sliding chutes (11); the four telescopic blocks (2) are movably inserted into four notches of the two sliding grooves (11) respectively; the two screw rods (32) are respectively arranged in the two sliding grooves (11), two ends of each screw rod (32) are respectively connected with the corresponding positive thread and the corresponding negative thread of the telescopic block (2), and the middle parts of the screw rods (32) are coaxially and fixedly connected with worm gears (33); the double-shaft stepping motor (31) is fixedly arranged in the mounting groove (12), the end parts of two output shafts of the double-shaft stepping motor (31) are coaxially and fixedly connected with worms (34), and one ends of the two worms (34) far away from the output shafts are respectively in transmission connection with corresponding worm wheels (33); the double-shaft stepping motor (31) drives the worm (34) to rotate, and the worm wheel (33) and the worm (34) are in transmission connection to drive the screw rod (32) to rotate, so that the two telescopic blocks (2) at the two ends of the screw rod (32) are synchronously away from each other to extend out of the sliding groove (11) under the action of reverse threads, or are synchronously close to each other to retract into the sliding groove (11).
4. The elevator shaft lifting construction protection operation platform of claim 3, characterized in that: the notch of the mounting groove (12) is vertically and rotatably connected with a cover plate (121) for opening and closing the mounting groove (12).
5. The elevator shaft lifting construction protection operation platform of claim 4, characterized in that: an output shaft of the double-shaft stepping motor (31) is coaxially and fixedly connected with the worm (34) through a coupler (5).
6. The elevator shaft lifting construction protection operation platform of claim 5, characterized in that: the worm (34) is installed in the installation groove (12) through a bearing seat (6).
7. The elevator shaft lifting construction protection operation platform of claim 6, characterized in that: an upper limit switch (81) is arranged at the notch of the sliding groove (11) on the protection platform (1), and a lower limit switch (82) is arranged between the telescopic block (2) and the worm wheel (33) on the inner wall of the sliding groove (11); and the upper limit switch (81) and the lower limit switch (82) are electrically connected with the double-shaft stepping motor (31).
8. The elevator shaft lifting construction protection operation platform of claim 1, characterized in that: the lifting mechanism (4) is a scissor hydraulic lifter.
9. The elevator shaft lifting construction protection operation platform of claim 1, characterized in that: four corners of the upper surface of the protection platform (1) are provided with lifting hooks (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220681874.8U CN217054273U (en) | 2022-03-24 | 2022-03-24 | Elevator shaft lifting construction protection operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220681874.8U CN217054273U (en) | 2022-03-24 | 2022-03-24 | Elevator shaft lifting construction protection operation platform |
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| Publication Number | Publication Date |
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| CN217054273U true CN217054273U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220681874.8U Active CN217054273U (en) | 2022-03-24 | 2022-03-24 | Elevator shaft lifting construction protection operation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635552A (en) * | 2022-03-24 | 2022-06-17 | 广西建工集团建筑工程总承包有限公司 | Elevator shaft lifting construction protection operation platform |
-
2022
- 2022-03-24 CN CN202220681874.8U patent/CN217054273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635552A (en) * | 2022-03-24 | 2022-06-17 | 广西建工集团建筑工程总承包有限公司 | Elevator shaft lifting construction protection operation platform |
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