Lifting device, hoistway construction elevator structure applying lifting device and using method of hoistway construction elevator structure

Abstract

The invention discloses a lifting device which comprises a scissor lift, and first rotating arms hinged to stoplogs on the two sides of the scissor lift are arranged at the two ends of the stoplogs respectively. The invention further discloses a hoistway construction elevator structure and a using method of the hoistway construction elevator structure. The safety and reliability of elevator operation are improved, elevator maintenance and management are optimized, intelligent development of the elevator is promoted, experience and satisfaction of passengers are enhanced, and the system can be widely applied to the field of engineering construction.

Description

TECHNICAL FIELD

[0001] The present application relates to engineering construction equipment, in particular to a lifting device, a shaft construction elevator structure applying the lifting device and a use method thereof. BACKGROUND

[0002] With the acceleration of urbanization, high-rise buildings and large infrastructure projects are increasing, and the safety, efficiency and reliability of the shaft construction elevator as an important vertical transportation tool in the construction site are directly related to the construction quality and the personal safety of the construction personnel. As a special construction equipment, the composite shaft construction elevator has the characteristics of complex structure and variable use environment, so the research and development of its safety control system are particularly important.

[0003] Especially in the current construction scene, in the construction process of high-rise and super high-rise buildings, the efficient operation of the shaft construction elevator plays a key role in the construction progress and quality. The traditional shaft construction elevator has a lot of manual operation when lifting the section, such as manual connection of standard sections and manual adjustment of the position of the elevator, which not only consumes manpower, but also is prone to operation errors due to human factors, causing safety hazards. Moreover, the operation control of the traditional elevator is mostly in manual driving mode, which requires the driver to maintain high concentration at all times, and the labor intensity is large. When operating in multiple shifts, the risk of driver fatigue driving increases, thereby affecting the efficiency and safety of the elevator operation. In addition, with the development trend of intelligentization and automation of building construction, the traditional elevator has been difficult to meet the modern construction needs. Therefore, it is urgent to develop a shaft construction elevator system that can operate autonomously and perform section lifting operations. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the background art, provide a lifting device, a shaft construction elevator structure applying the lifting device and a use method thereof, which improves the safety and reliability of elevator operation, optimizes elevator maintenance and management, promotes the intelligent development of elevators and enhances passenger experience and satisfaction. With the continuous progress of technology and the continuous expansion of application scenarios, it will play an important role in the future elevator industry.

[0005] The present application provides a lifting device, which comprises a scissor lift, and the two ends of the two side accumulators of the scissor lift are respectively provided with a first rotating arm connected therewith.

[0006] In the above technical solution, the outer side of each side accumulator of the scissor lift is respectively provided with a corresponding reference arm, and the two ends of each reference arm are respectively provided with a second rotating arm connected therewith.

[0007] In the above technical solution, each side pile is located at the inner side or top of the corresponding reference arm, and a rotating mechanism is arranged between each side pile and the corresponding reference arm to change the relative position.

[0008] In the above technical solution, the rotating mechanism is a plurality of rotating shafts distributed along the axial direction between each pile and the corresponding reference arm, the rotating shafts extend along the cross section of the pile and the reference arm, and the two ends of the rotating shafts are respectively hinged to the pile and the reference arm.

[0009] In the above technical solution, a transmission motor is arranged at the hinge point of the rotating shaft and the pile and the reference arm, a one-way hydraulic cylinder is arranged on the outer wall of each transmission motor, a magnetic attraction is arranged on the piston end of each one-way hydraulic cylinder, the one-way hydraulic cylinders on each pile and the corresponding reference arm are one-to-one corresponding, and the two one-way hydraulic cylinders are connected through the magnetic attraction of the piston rod.

[0010] In the above technical solution, the pile and the first rotating arm are connected through a rotating motor, the reference arm and the second rotating arm are connected through a rotating motor, supporting pads are arranged at the top of the two side piles, a lifting mechanism and a standby motor connected to the lifting mechanism are arranged at the top of the supporting pads, and a gasket is arranged at the bottom of the supporting pads.

[0011] In the above technical solution, a PLC (Programmable Logic Controller) is further included, and the control end of the PLC is connected to the signal end of the built-in hydraulic cylinder of the pile, the transmission motor, the one-way hydraulic cylinder, the rotating motor, the lifting mechanism and the standby motor.

[0012] The application also provides a shaft construction elevator structure, which comprises a shaft connecting a plurality of floors, a suspension mechanism arranged at the highest position of the shaft, an elevator car arranged at the bottom of the suspension mechanism, and a lifting device connected to the elevator car.

[0013] In the above technical solution, the suspension mechanism comprises a winch arranged at the top of the shaft, the winch is connected to the elevator car through a steel wire rope, and a counterweight structure is further arranged on the steel wire rope.

[0014] The application further provides a method for using the shaft construction elevator structure, which has the following steps: step one, installing the shaft construction elevator structure and clearing the elevator car of sundries and equipment, and placing the lifting device on the first floor; step two, lifting the standby motor by the lifting mechanism to leave space for the action of the pile beam; step three, the transmission motor and the one-way hydraulic cylinder jointly push the pile beam from the top of the reference arm to the inside of the reference arm; step four, the PLC controls the rotating motor of the upper pile beam to make the first rotating arm of the upper pile beam stand up to a vertical state, and controls the upper pile beam to rise upward until the bottom of the upper pile beam is flush with the second floor slab, the PLC controls the first rotating arm of the upper pile beam to rotate to a horizontal state, the first rotating arm of the upper pile beam is placed on the second floor slab, and the jacking of the elevator car from the first floor to the second floor is completed; step five, the PLC controls the rotating motor of the lower pile beam and the reference arm to make the lower pile beam and the reference arm be lifted to the same height, the lifting height ensures that the first rotating arm of the lower pile beam and the second rotating arm of the reference arm do not interfere with the first floor slab when rotating, and the PLC controls the first rotating arm of the lower pile beam and the second rotating arm of the reference arm to rotate downward to a vertical state; step six, the PLC controls the lower pile beam and the reference arm to be lifted upward, and the PLC controls the first rotating arm and the second rotating arm to change from the downward vertical state to the upward vertical state during the lifting process, and when the lower pile beam and the reference arm are flush with the upper pile beam, the PLC controls the first rotating arm and the second rotating arm to rotate to a horizontal state, so that the lifting device is placed on the second floor; step seven, steps four to six are repeated in sequence to jack the elevator car to the target floor; and step eight, if the lifting device transports the elevator car downward, the process opposite to steps four to six is performed to make the elevator car descend from the high floor to the low floor.

[0015] The lifting device, the shaft construction elevator structure applying the lifting device and the method for using the shaft construction elevator structure have the following beneficial effects: The intelligent control component uniformly coordinates the operation of each part to provide stable support and accurate guidance for the operation and jacking of the elevator, the lifting device automatically raises the elevator car as the building height increases, the scissor-type elevator can automatically complete the lifting of the pile beam according to the construction progress, and the suspension mechanism can automatically adapt the length of the steel wire rope during the lifting of the elevator car and the lifting of the pile beam, and comprehensively ensures the operation safety of the lifting device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural section view of the lifting device before lifting. Figure 2 It is a structural top view of the lifting device before lifting. Figure 3 It is a structural section view of the lifting device before lifting. Figure 4Structure of the lifting mechanism of the lifting device of the present application; Figure 5 Structure of the rotating mechanism of the lifting device of the present application; Figure 6 Structure of the cooperation of the laminated beam, the reference arm and the rotating mechanism of the lifting device of the present application; Figure 7 Structure of the single hydraulic cylinder pushing the laminated beam and the reference arm apart when they are flush with each other before the lifting of the lifting device of the present application; Figure 8 Structure of the transmission motor driving the laminated beam to rotate before the lifting of the lifting device of the present application; Figure 9 Structure of the laminated beam and the reference arm when they are flush with each other before the lifting of the lifting device of the present application; Figure 10 Structure of the single hydraulic cylinder when it is retracted after the laminated beam and the reference arm are flush with each other before the lifting of the lifting device of the present application; Figure 11 Structure of the laminated beam and the reference arm when they are flush with each other before the lifting of the lifting device of the present application; Figure 12 Structure of the laminated beam and the reference arm when they are flush with each other before the lifting of the lifting device of the present application; Figure 13 Structure of the lifting device of the present application after the lifting is completed; Figure 14 Structure of the lifting device of the present application after the lifting is completed, with the upper laminated beam lowered and the first rotating arm put down; Figure 15 Structure of the lifting device of the present application after the lifting is completed, with the lower laminated beam and the reference arm lifted; Figure 16 Structure of the lifting device of the present application after the lifting is completed, with the lower laminated beam and the reference arm lifted, and the first rotating arm and the second rotating arm retracted, respectively; Figure 17 Structure of the shaft construction elevator of the present application; Figure 18 Flowchart of the method for using the shaft construction elevator of the present application. DETAILED DESCRIPTION

[0017] The present application will be further described in detail below with reference to the accompanying drawings and examples, but the examples should not be construed as limiting the present application.

[0018] Example 1 Referring to Figures 1 to 4 The lifting device of the present application comprises a scissor lift 1, and the two ends of the laminated beam 11 on both sides of the scissor lift 1 are respectively provided with a first rotating arm 2 connected thereto through a hinge.

[0019] The outer side of each side of the pile beam 11 is provided with a corresponding reference arm 3, and each reference arm 3 is provided with a second rotating arm 4 connected with the reference arm 3 through a hinge.

[0020] Embodiment 2 The embodiment is basically the same as Embodiment 1, and the difference is that: Referring to Figures 1 to 16 Each side of the pile beam 11 is located at the inner side or top of the corresponding reference arm 3, and a rotating mechanism is arranged between each side of the pile beam 11 and the corresponding reference arm 3 to change the relative position.

[0021] The rotating mechanism is a plurality of rotating shafts arranged along the axial direction between each pile beam 11 and the corresponding reference arm 3, and the rotating shafts extend along the cross section of the pile beam 11 and the reference arm 3 and are connected with the pile beam 11 and the reference arm 3 through a hinge at both ends.

[0022] A transmission motor 5 is arranged at the hinge point of the rotating shaft and the pile beam 11 and the reference arm 3, and a one-way hydraulic cylinder 6 is arranged on the outer wall of each transmission motor 5. A magnet is arranged on the piston end of each one-way hydraulic cylinder 6. The one-way hydraulic cylinder 6 on each pile beam 11 corresponds to the one-way hydraulic cylinder 6 on the corresponding reference arm 3, and the two one-way hydraulic cylinders 6 are connected through the magnetic attraction of the piston rod.

[0023] The pile beam 11 and the first rotating arm 2 are connected through a rotating motor 7, and the reference arm 3 and the second rotating arm 4 are connected through a rotating motor 7. A supporting pad 8 is arranged at the top of each side of the pile beam 11, and a lifting mechanism and a standby motor 9 connected with the lifting mechanism are arranged at the top of the supporting pad 8. A gasket 10 is arranged at the bottom of the supporting pad 8.

[0024] The lifting device further comprises a PLC 12, and the control end of the PLC 12 is connected with the signal end of the built-in hydraulic cylinder of the pile beam 11, the transmission motor 5, the one-way hydraulic cylinder 6, the rotating motor 7, the lifting mechanism and the standby motor 9.

[0025] Embodiment 3 The embodiment is basically the same as Embodiment 2, and the difference is that: Referring to Figure 17 The shaft construction elevator structure of the application comprises a shaft 13 connected with a plurality of floors, a suspension mechanism arranged at the highest position of the shaft 13, and an elevator car 14 arranged at the bottom of the suspension mechanism, and the bottom of the elevator car 14 is provided with a lifting device.

[0026] The suspension mechanism comprises a winch 15 arranged at the top of the shaft 13, and the winch 15 is connected with the elevator car 14 through a steel wire rope 16. A counterweight structure 17 is further arranged on the steel wire rope 16.

[0027] Embodiment 4 Referring to Figure 18 The application uses the method of the shaft construction elevator structure, which has the following steps: Step one, install the shaft construction elevator structure and clean the elevator car 14 of sundries and equipment, and place the lifting device on the first floor; Step two, the backup motor 9 is lifted by the lifting mechanism to leave space for the action of the pile beam 11; Step three, the transmission motor 5 and the one-way hydraulic cylinder 6 cooperate to push the pile beam 11 from the top of the reference arm 3 to the inside of the reference arm 3; Step four, the PLC 12 controls the rotating motor 7 of the upper pile beam 11 to make the first rotating arm 2 of the upper pile beam 11 stand up to a vertical state, and controls the upper pile beam 11 to rise upward until the bottom of the upper pile beam 11 is flush with the second floor, the PLC 12 controls the first rotating arm 2 of the upper pile beam 11 to rotate to a horizontal state, the first rotating arm 2 of the upper pile beam 11 is placed on the second floor, and the jacking of the elevator car 14 from the first floor to the second floor is completed; Step five, the PLC 12 controls the rotating motor 7 of the lower pile beam 11 and the reference arm 3 to make the lower pile beam 11 and the reference arm 3 lift to the same height, and the lifting height ensures that the first rotating arm 2 of the lower pile beam 11 and the second rotating arm 4 of the reference arm 3 do not interfere with the first floor when they rotate, and the PLC 12 controls the first rotating arm 2 of the lower pile beam 11 and the second rotating arm 4 of the reference arm 3 to rotate downward to a vertical state; Step six, the PLC 12 controls the lower pile beam 11 and the reference arm 3 to lift upward, and during the lifting process, the PLC 12 controls the first rotating arm 2 and the second rotating arm 4 to change from a downward vertical state to an upward vertical state, and when the lower pile beam 11 and the reference arm 3 are flush with the upper pile beam 11, the PLC 12 controls the first rotating arm 2 and the second rotating arm 4 to rotate to a horizontal state, so that the lifting device is placed on the second floor; Step seven, steps four to six are repeated in turn to jack the elevator car 14 to the target floor; Step eight, if the lifting device transports the elevator car 14 downward, the process opposite to steps four to six is performed, so that the elevator car 14 is lowered from the high floor to the low floor.

[0028] Innovations: The shaft construction elevator structure combines the core technologies of "superimposed folding roof beam + scissor lifting", which realizes multi-dimensional innovation in breaking through the height limit of super high-rise construction, improving operation adaptability and safety, and optimizing the efficiency of the whole cycle. The specific innovation can be expanded from the following five dimensions: 1. Modular expandable structure of superimposed folding roof beam Breaking the traditional fixed roof beam "one-time installation fixed height" limit, using 3-section foldable carbon fiber composite roof beam to form upper and lower roof beams 11 and reference arm 3, through hydraulic folding hinge to realize "folding storage-expansion lifting" dynamic switching. Compared with the traditional fixed roof beam, its innovation points are: Space adaptability: foldable storage in the initial installation stage, adapting to the shaft 13 space during low-level construction, avoiding the need for more top space for the shaft 13 due to the length of the roof beam, low space utilization; Height expandability: supports multi-layer step lifting, cooperates with the scissor lift 1 to realize coverage of more than 100 layers of super high-rise buildings, and the running height can be increased by more than 50% compared with the highest running height of traditional elevators; Lightweight high strength: carbon fiber composite material reduces weight by 40% compared with traditional steel, but bending strength increases by 35%, roof beam deflection is controlled within L / 500 (L is the length of a single roof beam), solving the problem of "difficulty in lifting due to the large weight of high-rise roof beams". 2. Synergistic load-bearing structure of scissor lifting and roof beam Innovative design of "symmetrical double scissor lifting frame + triple locking" load-bearing system, which is different from the traditional single hydraulic cylinder lifting method, the core innovation is: Synchronous stability: 2 groups of scissor lifting frames are symmetrically arranged at the top of the shaft 13, equipped with 2 double-acting hydraulic cylinders (not shown in the figure), and the extension and retraction speed deviation of the double-acting hydraulic cylinders is precisely controlled by PLC 12 to ensure that the horizontal deviation during roof beam lifting is ≤1mm, avoiding the tilting risk of traditional single-cylinder lifting; Multiple safety redundancies: after the roof beam is in place, it forms a triple fixation of "scissor lifting frame pressure retention (pressure 22MPa) + electromagnetic lock (locking force ≥300kN) + support leg top pressing (supporting force ≥150kN)", which has more than twice the anti-overturning capacity compared to traditional single locking structure, and can resist complex working conditions such as strong wind and vibration in super high-rise buildings. 3. Linkage locking mechanism of roof beam folding and lifting and car operation Establishing an interlocking control system of "roof beam operation-elevator car 14 authority" overcomes the safety hazards of traditional elevators "roof beam and car independent operation", the specific innovations include: Dynamic control of regional authority: during the folding / lifting of the roof beam, the operation authority of the elevator car 14 in the 8 floors below the roof beam is automatically locked, preventing the elevator car 14 from entering the dangerous area; after the lifting is completed, only the calling function of the newly added floors is unlocked, avoiding the dangerous situation of "elevator car 14 mistakenly entering the newly added floors before the adaptation is completed"; 4. Modular installation and rapid calibration design In view of the problem of "long installation period and complex calibration" of traditional elevators, the efficiency is improved through structure and process optimization, the innovation points include: Modularization of components: the scissor lift, hydraulic cylinder and roof unit all adopt standardized interface design, can be lifted in sections during initial installation, 40% shorter installation time than traditional integrated structure; the rack adopts "6m single segment splicing" method, no need to replace the whole when adding new floors, only need to splice and extend, single floor rack installation time ≤2h; Automatic calibration function: the controller of the PLC 12 is built-in with a "roof folding-lifting self-calibration program", after 3 cycles of manual completion, the displacement encoder and laser positioner can be automatically calibrated (error ≤0.5mm), 3 times more efficient than traditional manual calibration, reducing the uncertainty caused by human error during debugging.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

[0030] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

Claims

1. A lifting device, comprising a scissor lift (1), characterized in that: The scissor lift (1) has a first rotating arm (2) at each end of the stacked beams (11) on both sides.

2. The lifting device according to claim 1, characterized in that: The scissor lift (1) has a corresponding reference arm (3) on the outer side of each side stacked beam (11), and each reference arm (3) has a second rotating arm (4) hinged to it at both ends.

3. The lifting device according to claim 2, characterized in that: Each side beam (11) is located inside or on top of the corresponding reference arm (3), and a rotating mechanism is provided between each side beam (11) and the corresponding reference arm (3) to realize the change of relative position.

4. The lifting device according to claim 3, characterized in that: The rotating mechanism consists of multiple rotating shafts evenly distributed axially between each stacked beam (11) and the corresponding reference arm (3). The rotating shafts extend along the cross-section of the stacked beam (11) and the reference arm (3) and are hinged to the stacked beam (11) and the reference arm (3) at both ends respectively.

5. The lifting device according to claim 4, characterized in that: The rotating shaft is provided with a drive motor (5) at the hinge point of the stacked beam (11) and the reference arm (3). Each drive motor (5) has a one-way hydraulic cylinder (6) on its outer wall. The piston end of each one-way hydraulic cylinder (6) is magnetically attracted. The one-way hydraulic cylinder (6) on each stacked beam (11) corresponds one-to-one with the one-way hydraulic cylinder (6) on the corresponding reference arm (3). The two one-to-one corresponding one-way hydraulic cylinders (6) are connected by the magnetic attraction of the piston rod.

6. The lifting device according to claim 5, characterized in that: The stacked beam (11) is connected to the first rotating arm (2) and the reference arm (3) is connected to the second rotating arm (4) by a rotating motor (7). The top of the stacked beam (11) on both sides is provided with a support pad (8). The top of the support pad (8) is provided with a lifting mechanism and a spare motor (9) connected to the lifting mechanism. The bottom of the support pad (8) is provided with a washer (10).

7. The lifting device according to claim 6, characterized in that: It also includes a PLC (12), whose control terminal is connected to the signal terminals of the built-in hydraulic cylinder, transmission motor (5), one-way hydraulic cylinder (6), rotating motor (7), lifting mechanism and spare motor (9) of the stacked beam (11).

8. A shaft construction elevator structure, comprising a shaft (13) connecting multiple floors, wherein a suspension mechanism is provided at the highest point of the shaft (13), and an elevator car (14) is provided at the bottom of the suspension mechanism, characterized in that: The elevator car (14) is provided with a lifting device connected to it as described in any one of claims 1 to 7.

9. The shaft construction elevator structure according to claim 8, characterized in that: The suspension mechanism has a winch (15) located at the top of the shaft (13), the winch (15) being connected to the elevator car (14) via a wire rope (16), and a counterweight structure (17) being provided on the wire rope (16).

10. A method of using the lifting device according to claim 7, characterized in that: It has the following steps: Step 1: Install the shaft construction elevator structure and clear the debris and equipment inside the elevator car (14), and place the lifting device on the first floor; Step 2: The lifting mechanism lifts the spare motor (9) to make room for the stacking beam (11) to move; Step 3: The drive motor (5) and the one-way hydraulic cylinder (6) work together to push the stacked beam (11) from the top of the reference arm (3) to the inside of the reference arm (3); Step 4: PLC (12) controls the rotation motor (7) of the upper stacked beam (11) to make the first rotating arm (2) of the upper stacked beam (11) stand up in a vertical state, and controls the upper stacked beam (11) to rise until the bottom of the upper stacked beam (11) is flush with the second floor slab. PLC (12) controls the first rotating arm (2) of the upper stacked beam (11) to rotate in a horizontal state. The first rotating arm (2) of the upper stacked beam (11) rests on the second floor slab, completing the lifting of the elevator car (14) from the first floor to the second floor. Step 5: PLC (12) controls the rotation motor (7) of the lower stacked beam (11) and the reference arm (3) to raise the lower stacked beam (11) and the reference arm (3) to the same height. The lifting height ensures that the first rotating arm (2) of the lower stacked beam (11) and the second rotating arm (4) of the reference arm (3) do not interfere with the first floor slab when rotating. PLC (12) controls the first rotating arm (2) of the lower stacked beam (11) and the second rotating arm (4) of the reference arm (3) to rotate downwards to a vertical state. Step 6: PLC (12) controls the lower stacked beam (11) and the reference arm (3) to lift upward. During the lifting process, PLC (12) controls the first rotating arm (2) and the second rotating arm (4) to change from a downward vertical state to an upward vertical state. When the lower stacked beam (11) and the reference arm (3) are aligned with the upper stacked beam (11), PLC (12) controls the first rotating arm (2) and the second rotating arm (4) to turn to a horizontal state, so that the lifting device is placed on the second floor. Step 7: Repeat steps 4 to 6 in sequence to lift the elevator car (14) to the target floor; Step 8: If the lifting device moves the elevator car (14) downward, then the process is reversed from steps 4 to 6, so that the elevator car (14) descends from the high floor to the low floor.

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