CN210103238U - Device for elevator subsection well construction - Google Patents
Device for elevator subsection well construction Download PDFInfo
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- CN210103238U CN210103238U CN201920524929.2U CN201920524929U CN210103238U CN 210103238 U CN210103238 U CN 210103238U CN 201920524929 U CN201920524929 U CN 201920524929U CN 210103238 U CN210103238 U CN 210103238U
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Abstract
The utility model belongs to the technical field of a construction equipment technique and specifically relates to a device that is used for elevator segmentation well to be under construction. The utility model provides a device for construction of elevator segmentation well, includes movable platform and installs the lifting beam at the well top, lifting beam on hang and be equipped with safe wire rope and tow wire rope, movable platform include construction platform, construction platform on be provided with safety lock and lifting machine, safe wire rope pass the safety lock, tow wire rope and pass the lifting machine, the well in be provided with the guide rail that is located movable platform both sides, construction platform's bottom both sides be provided with guide rail matched with lifting support. The utility model discloses can accomplish the installation of elevator in the segmentation well under the condition of not setting up the scaffold frame.
Description
Technical Field
The utility model belongs to the technical field of a construction equipment technique and specifically relates to a device that is used for elevator segmentation well to be under construction.
Background
Along with the continuous development and reform of the real estate market, higher requirements are provided for the project construction period, the elevator installation is one of the important links in the building construction process, the construction state of the elevator installation is directly related to the later decoration period, therefore, real estate developers provide higher requirements for the elevator construction, at present, part of developers in China already provide requirements for synchronous elevator installation and floor construction for elevator manufacturers, but the elevator installation in the current market usually needs to set up a scaffold firstly, then the elevator can be installed step by step, time and labor are wasted, and the construction period is greatly prolonged.
For example, Chinese patent publication numbers are: CN206859625U, an elevator shaft scaffold announced in 09.01.2018, which comprises a base and a frame body, wherein the base comprises a supporting steel plate, two sleeves and four telescopic rods, the two sleeves are respectively and relatively fixedly arranged at two sides of the supporting steel plate, and two telescopic rods are respectively placed in each sleeve, and the two telescopic rods can respectively extend out of or retract into two ports of each sleeve. Although the scaffold is simple in structure, time and labor are wasted during installation, and the construction period is greatly prolonged by dragging.
Disclosure of Invention
The utility model discloses mainly need set up earlier the scaffold frame to the elevator installation among the prior art usually, then just can progressively install the elevator, waste time and energy, greatly drag the problem that has prolonged construction cycle, provide one kind can be under the condition of not setting up the scaffold frame, accomplish the installation of elevator in the segmentation well be used for the device that the elevator segmentation well was under construction.
The purpose of the utility model is mainly realized by the following scheme: the utility model provides a device for construction of elevator segmentation well, includes movable platform and installs the lifting beam at the well top, lifting beam on hang and be equipped with safe wire rope and tow wire rope, movable platform include construction platform, construction platform on be provided with safety lock and lifting machine, safe wire rope pass the safety lock, tow wire rope and pass the lifting machine, the well in be provided with the guide rail that is located movable platform both sides, construction platform's bottom both sides be provided with guide rail matched with lifting support. The hoisting beam is hung with a safety steel wire rope and a traction steel wire rope, the movable platform comprises a construction platform, the construction platform is provided with a safety lock and a hoisting machine, the safety steel wire rope passes through the safety lock, the traction steel wire rope passes through the hoisting machine, a guide rail is arranged in the well and positioned at two sides of the movable platform, two sides of the bottom of the construction platform are provided with lifting brackets matched with the guide rail, the hoisting beam is fixed on a concrete wall surface or a ring beam at the top of the well by using expansion bolts or chemical anchor bolts, the traction steel wire rope and the safety steel wire rope are hung on the hoisting beam, the construction platform is installed in the pit after the installation of the guide rail at the head row of the pit is finished, the hoisting machine and the safety lock are fixed on the construction platform, the traction steel wire rope and the safety steel wire rope respectively penetrate into the hoisting, thereby being capable of installing the guide rail and the hall door equipment from bottom to top; lifting support and guide rail sliding connection can improve the stability when construction platform goes up and down to remove.
Preferably, the safety device comprises a safety support arranged on the construction platform, a safety rotating handle is rotatably connected to the safety support, safety tongs are arranged between the lifting support and the guide rail, each safety tong comprises an adjusting rod rotatably connected to the lifting support, one end of each adjusting rod is connected with the corresponding safety rotating handle through a safety tongs steel wire rope, the other end of each adjusting rod is connected with an adjusting bent rod, an adjusting straight rod is connected to the adjusting bent rod, a fixing block is arranged on the side wall of the lifting support corresponding to the adjusting straight rod, a lower positioning block is arranged at the bottom of the fixing block, the adjusting straight rod penetrates through the lower positioning block and is slidably connected with the lower positioning block, an installation groove is arranged on the lifting support, a containment vessel is arranged in the installation groove, and a safety plate is arranged on one side of the containment vessel away from the lifting support, the safety device comprises a safety plate, a safety chute, a safety wheel, a safety shaft, a safety spring and a safety spring, wherein the safety spring is arranged between the clamping block and the upper surface of a lower positioning block, the upper end of the safety spring is provided with an upper positioning block corresponding to the clamping block, the inner wall of the safety plate is provided with the safety chute, the upper end of the safety chute inclines towards the direction close to a guide rail, the top end of the clamping block is rotatably connected with the safety wheel matched with the guide rail through the safety shaft, and one end of. The safety device comprises a safety support arranged on the construction platform, a safety rotating handle is rotatably connected to the safety support, safety tongs are arranged between the lifting support and the guide rail, each safety tong comprises a regulating rod rotatably connected to the lifting support, one end of the regulating rod is connected with the safety rotating handle through a safety tongs steel wire rope, the safety rotating handle can drive the safety tongs steel wire rope to move up and down, the other end of the regulating rod is connected with a regulating bent rod, a regulating straight rod is connected to the regulating bent rod, a fixing block is arranged on the side wall of the lifting support corresponding to the regulating straight rod, a lower positioning block is arranged at the bottom of the fixing block, the regulating straight rod penetrates through the lower positioning block and is in sliding connection with the lower positioning block, the lower positioning block can play a positioning and guiding role, a mounting groove is arranged on the lifting, the safety shell is fixedly connected with the safety plate through bolts, a clamping block positioned in the safety shell is arranged at the top end of the adjusting straight rod, a safety spring is arranged between the clamping block and the upper surface of the lower positioning block and surrounds the adjusting straight rod, an upper limiting block is arranged at the upper end of the fixing block and corresponds to the clamping block and can limit the clamping block, a safety chute is arranged on the inner wall of the safety plate, the upper end of the safety chute inclines towards the direction close to the guide rail, a safety wheel matched with the guide rail is rotatably connected to the top end of the clamping block through a safety shaft, one end of the safety shaft is positioned in the safety chute, a safety device is arranged to position and clamp the construction platform on the guide rail, the safety clamp steel wire rope is lifted upwards through a safety rotating handle during normal operation of the construction platform, one end of the adjusting rod is driven by the safety clamp steel wire rope to, the other end of the adjusting rod moves downwards relatively, the adjusting rod drives the adjusting bent rod, the adjusting straight rod and the clamping block to move downwards simultaneously, the clamping block can overcome the spring force of the safety spring when moving, meanwhile, the clamping block can drive the safety wheel to move downwards, and because one end of the safety shaft is positioned in the safety chute, the safety wheel and the safety shaft can both move along the direction of the safety chute, namely towards the direction far away from the guide rail, so that the safety device does not limit the movement of the construction platform; similarly, when the construction platform stops, the safety rotating handle is rotated to drive the safety gear steel wire rope to move downwards, so that the clamping block can drive the safety wheel and the safety shaft to move along the direction of the safety chute under the elastic action of the safety spring, the safety wheel is driven to move towards the direction close to the guide rail, the side wall of the guide rail is tightly attached to the safety wheel, and the construction platform is locked on the guide rail.
Preferably, the bottom ends of the safety steel wire rope and the traction steel wire rope are both provided with a heavy hammer. The bottom ends of the safety steel wire rope and the traction steel wire rope are both provided with a heavy hammer, and the heavy hammers are designed to tension the safety steel wire rope and the traction steel wire rope.
Preferably, the outer circumferential surface of the safety wheel is uniformly provided with adsorption discs made of elastic materials, cavities for filling flowable media are arranged in the adsorption discs, one side of each adsorption disc, far away from the safety wheel, is recessed inwards, and the diameter of one side of each adsorption disc, far away from the safety wheel, is larger than that of one side of each adsorption disc, close to the safety wheel. The outer circumferential surface of the safety wheel is uniformly provided with an adsorption disc made of elastic materials, a cavity used for filling flowable media is arranged in the adsorption disc, one side, away from the safety wheel, of the adsorption disc is inwards sunken, the diameter, away from the safety wheel, of the adsorption disc is larger than that of one side, close to the safety wheel, of the adsorption disc, the arrangement of the adsorption disc can improve the laminating force between the safety wheel and the side wall of the guide rail, when the safety wheel abuts against the guide rail, the adsorption disc is stressed to be laminated on the side wall of the guide rail under the action of air pressure and thrust, the cavity is stressed to enable the internal media to be extruded and diffused all around towards the cavity, and therefore the adsorption disc can be tightly laminated on the side wall of the guide rail, the adsorption force is greatly improved, the safety is high when the construction.
Preferably, the medium is a gas. The medium is gas, so the cost is low and the stability is good.
Preferably, a construction protection shed is arranged at the top end of the construction platform. The top of construction platform is provided with construction protection canopy, can weigh down the thing protection to construction platform.
Preferably, the top end of the lifting beam is provided with a top layer protection shed. The top end of the lifting beam is provided with a top layer protection shed which can play a certain protection role.
Preferably, the construction platform is further provided with a trigger matched with the safety rotating handle. The construction platform is further provided with a trigger matched with the safety rotating handle, and once the safety steel wire rope on the construction platform and the traction steel wire rope are broken simultaneously, the trigger on the construction platform enables the safety rotating handle to rotate to release the steel wire rope of the safety tongs, so that the safety tongs are triggered, and the construction platform can be locked on the guide rail.
Therefore, the utility model discloses a device for construction of elevator segmentation well possesses following advantage: the utility model discloses can make the installation of elevator go on with the floor construction in step, can accomplish the installation of elevator in the segmentation well under the condition of not setting up the scaffold to do not receive the restriction that the well construction divides the segment number, the security when having improved the construction through safety device's design moreover greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle lifting beam of the present invention.
Fig. 3 is a schematic structural diagram of the middle movable platform of the present invention.
Fig. 4 is an enlarged view of a point a in fig. 3.
Fig. 5 is a schematic structural view of fig. 4 with a containment vessel removed.
Fig. 6 is a schematic structural view of the safety wheel and the latch shown in fig. 5 with the safety wheel and the latch removed.
Fig. 7 is a front view of the safety wheel of the present invention.
Fig. 8 is a side view of the safety wheel of the present invention.
Fig. 9 is a schematic structural view of the safety rotating handle and the safety support of the utility model when they are installed on the construction platform.
Illustration of the drawings: 1-well, 2-movable platform, 3-traction steel wire rope, 4-safety steel wire rope, 5-lifting beam, 6-top protection shed, 7-construction protection shed, 8-cavity, 9-safety lock, 10-safety turning handle, 11-heavy hammer, 12-safety tongs steel wire rope, 13-adjusting rod, 14-guide rail, 15-lifting support, 16-construction platform, 17-lifting machine, 18-adsorption disc, 19-fixing block, 20-upper limiting block, 21-safety chute, 22-safety plate, 23-safety shell, 24-clamping block, 25-adjusting straight rod, 26-safety spring, 27-adjusting bent rod, 28-lower positioning block, 29-safety wheel, 30-mounting groove, 31-safety shaft, 32-safety support.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, 2 and 3, a device for elevator subsection hoistway construction comprises a movable platform 2 and a lifting beam 5 installed at the top of a hoistway, wherein a top protection shed 6 is arranged at the top end of the lifting beam 5 and can play a certain protection role, a safety steel wire rope 4 and a traction steel wire rope 3 are hung on the lifting beam 5, the movable platform 2 comprises a construction platform 16, a construction protection shed 7 is arranged at the top end of the construction platform 16 and can protect the construction platform 16 from falling objects, a safety lock 9 and a hoist 17 are arranged on the construction platform 16, the safety steel wire rope 4 passes through the safety lock 9, the traction steel wire rope 3 passes through the hoist 17, a heavy hammer 11 is arranged at the bottom ends of the safety steel wire rope 4 and the traction steel wire rope 3, the heavy hammer 11 is designed to tension the safety steel wire rope 4 and the traction steel wire rope 3, guide rails 14 positioned at two sides of, the two sides of the bottom of the construction platform 16 are provided with lifting supports 15 matched with the guide rails 14, an expansion bolt or a chemical anchor bolt is used for fixing a lifting beam 5 on a concrete wall surface or a ring beam at the top of the well 1, a traction steel wire rope 3 and a safety steel wire rope 4 are hung on the lifting beam 5, after the first-row guide rails 14 of the pit are installed, the construction platform 16 is installed on the pit, a lifting machine 17 and a safety lock 9 are fixed on the construction platform 16, the traction steel wire rope 3 and the safety steel wire rope 4 are respectively penetrated into the lifting machine 17 and the safety lock 9, after the installation of a steel wire rope system is completed, the lifting machine 17 is operated on the traction steel wire rope 3 to drive the construction platform 16 to operate upwards, so that the guide rails 14 and the hall; the lifting support 15 is slidably connected with the guide rail 14, so that the stability of the construction platform 16 during lifting movement can be improved.
As shown in fig. 4, 5, 6 and 9, the safety device comprises a safety support 32 arranged on the construction platform 16, a safety rotating handle 10 is rotatably connected to the safety support 32, safety tongs are arranged between the lifting support 15 and the guide rail 14, the safety tongs comprise an adjusting rod 13 rotatably connected to the lifting support 15, one end of the adjusting rod 13 is connected to the safety rotating handle 10 through a safety tongs steel wire rope 12, one end of the safety rotating handle is hinged to the safety support, one end of the safety tongs steel wire rope, which is far away from the adjusting rod, is connected to the safety rotating handle, the safety rotating handle 10 can drive the safety tongs steel wire rope 12 to move up and down, the other end of the adjusting rod 13 is connected to an adjusting bent rod 27, the adjusting bent rod 27 is connected to an adjusting straight rod 25, a fixing block 19 is arranged on the side wall of the lifting support 15 corresponding to the adjusting straight rod 25, the adjusting straight rod 25 penetrates through the lower positioning block 28 and is connected with the lower positioning block 28 in a sliding manner, the lower positioning block 28 can play a role in positioning and guiding, a mounting groove 30 is arranged on the lifting support 15, a safety shell 23 is arranged in the mounting groove 30, a safety plate 22 is arranged on one side, away from the lifting support 15, of the safety shell 23, the safety shell 23 is fixedly connected with the safety plate 22 through bolts, a fixture block 24 positioned in the safety shell 23 is arranged at the top end of the adjusting straight rod 25, a safety spring 26 is arranged between the fixture block 24 and the upper surface of the lower positioning block 28 around the adjusting straight rod 25, an upper limiting block 20 is arranged at the upper end of the fixing block 19 corresponding to the fixture block 24, the upper limiting block 20 can play a limiting role on the fixture block 24, a safety chute 21 is arranged on the inner wall of the safety plate 22, the upper end of the safety chute 21 inclines towards the direction close, one end of the safety shaft 31 is positioned in the safety chute 21, the safety device is arranged to position and clamp the construction platform 16 on the guide rail 14, and during the normal operation of the construction platform 16, the safety gear steel wire rope 12 is lifted upwards through the safety rotating handle 10, the safety gear steel wire rope 12 drives one end of the adjusting rod 13 to move upwards, because the adjusting rod 13 is rotatably connected to the lifting bracket 15, so that the other end of the adjusting rod 13 relatively moves downwards, the adjusting rod 13 drives the adjusting bent rod 27, the adjusting straight rod 25 and the clamping block 24 to simultaneously move downwards, the clamping block 24 overcomes the spring force of the safety spring 26 when moving, and meanwhile, the clamping block 24 drives the safety wheel 29 to move downwards, since one end of the safety shaft 31 is located in the safety chute 21, both the safety wheel 29 and the safety shaft 31 will move along the direction of the safety chute 21, i.e. away from the guide rail 14, so that the safety device does not limit the movement of the construction platform 16; similarly, when the construction platform 16 stops, the safety rotating handle 10 is rotated to enable the safety rotating handle 10 to drive the safety gear steel wire rope 12 to move downwards, so that the clamping block 24 can drive the safety wheel 29 and the safety shaft 31 to move along the direction of the safety chute 21 under the elastic action of the safety spring 26, and further drive the safety wheel 29 to move towards the direction close to the guide rail 14, and enable the safety wheel 29 to cling to the side wall of the guide rail 14, so that the construction platform 16 is locked on the guide rail 14.
As shown in fig. 7 and 8, the outer circumferential surface of the safety wheel 29 is uniformly provided with the adsorption discs 18 made of an elastic material, the adsorption discs 18 are internally provided with cavities 8 for filling a flowable medium, the medium is a gas, the cost is low, the stability is good, one side of the adsorption disc 18 away from the safety wheel 29 is recessed inwards, the diameter of one side of the adsorption disc 18 away from the safety wheel 29 is larger than that of one side of the adsorption disc 18 close to the safety wheel 29, the arrangement of the adsorption discs 18 can improve the attaching force between the safety wheel 29 and the side wall of the guide rail 14, when the safety wheel 29 is pressed against the guide rail 14, the adsorption discs 18 are attached to the side wall of the guide rail 14 under the stress, the cavities 8 are pressed to enable the internal medium to be extruded and diffused towards the periphery of the cavities 8, so that the adsorption discs 18 can be attached to the side wall of the guide rail 14 more tightly, and the adsorption, the safety is high when the construction platform 16 is fixed, and the construction platform cannot fall.
The construction platform 16 is also provided with a trigger matched with the safety rotating handle 10, and once the safety steel wire rope 4 and the traction steel wire rope 3 on the construction platform 16 are simultaneously broken, the trigger on the construction platform 16 can enable the safety rotating handle 10 to rotate so as to release the safety gear steel wire rope 12, so that the safety gear is triggered, and the construction platform 16 can be locked on the guide rail 14.
The construction method of the device for constructing the elevator subsection shaft in the elevator subsection shaft comprises the following steps:
firstly, hanging a lifting beam 5, and fixing the lifting beam 5 on a concrete wall surface or a ring beam at the top of a well 1 by using expansion bolts or chemical anchor bolts;
step two, mounting a movable platform 2, mounting a first-row guide rail 14 at the bottom of the hoistway 1, and mounting the movable platform 2 on the guide rail 14;
suspending a traction steel wire rope 3 and a safety steel wire rope 4, suspending the traction steel wire rope 3 and the safety steel wire rope 4 on a lifting beam 5, and respectively penetrating the traction steel wire rope 3 and the safety steel wire rope 4 into a lifting machine 17 and a safety lock 9 of a construction platform 16;
step four, installing the guide rail 14 and the hall door equipment, and after the movable platform 2 and the steel wire rope system are installed, continuously moving the hoisting machine 17 upwards on the traction steel wire rope 3 to drive the construction platform 16 to move upwards, so that the installation of the guide rail 14 and the hall door equipment of the elevator is completed;
step five, transferring the lifting beam 5, stopping the construction platform 16 on the ground of the pit of the well 1 after the construction of the equipment of the first section of the well 1 is completed, and transferring the lifting beam 5, the traction steel wire rope 3 and the safety steel wire rope 4 to the top of the second section of the well 1 for fixing;
sixthly, installing second section of hoistway 1 equipment, and installing second section of guide rail 14 and hoistway door equipment on the upward operation construction platform 16;
and step seven, installing the hoistway 1, and sequentially upwards installing the devices of the third section and the fourth section … … of the hoistway 1 by continuously lifting the positions of the lifting beam 5 and the steel wire rope system according to the same construction method of the devices of the second section of the hoistway 1.
The width of the lifting beam 5 can be adjusted according to the width of the well 1, and the flexibility is high.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a device for construction of elevator segmentation well, a serial communication port, including movable platform and the lifting beam of installing at the well top, lifting beam on hang and be equipped with safe wire rope and tow wire rope, movable platform include construction platform, construction platform on be provided with safety lock and lifting machine, safe wire rope pass the safety lock, tow wire rope and pass the lifting machine, the well in be provided with the guide rail that is located movable platform both sides, construction platform's bottom both sides be provided with guide rail matched with lifting support.
2. The device of claim 1, further comprising a safety device, wherein the safety device comprises a safety bracket disposed on the construction platform, the safety bracket is rotatably connected with a safety rotating handle, a safety tong is disposed between the lifting bracket and the guide rail, the safety tong comprises an adjusting rod rotatably connected to the lifting bracket, one end of the adjusting rod is connected with the safety rotating handle through a safety tong steel wire rope, the other end of the adjusting rod is connected with an adjusting bent rod, the adjusting bent rod is connected with an adjusting straight rod, a fixing block is disposed on the side wall of the lifting bracket corresponding to the adjusting straight rod, a lower positioning block is disposed at the bottom of the fixing block, the adjusting straight rod passes through the lower positioning block and is slidably connected with the lower positioning block, and a mounting groove is disposed on the lifting bracket, the safety device is characterized in that a containment is arranged in the mounting groove, a safety plate is arranged on one side, away from the lifting support, of the containment, a clamping block located inside the containment is arranged at the top end of the adjusting straight rod, a safety spring is arranged between the clamping block and the upper surface of the lower positioning block and surrounds the adjusting straight rod, an upper limiting block is arranged at the upper end of the fixing block and corresponds to the clamping block, a safety chute is arranged on the inner wall of the safety plate, the upper end of the safety chute inclines towards the direction close to the guide rail, a safety wheel used for being matched with the guide rail is rotatably connected to the top end of the clamping block through a safety shaft, and one end of the safety shaft.
3. The apparatus as claimed in claim 1, wherein the bottom ends of the safety rope and the traction rope are provided with weights.
4. The device as claimed in claim 2, wherein the safety wheel is uniformly provided with a suction disc made of an elastic material on an outer circumferential surface thereof, the suction disc is provided with a cavity for filling the flowable medium therein, a side of the suction disc remote from the safety wheel is recessed inward, and a diameter of the side of the suction disc remote from the safety wheel is greater than a diameter of the side of the suction disc close to the safety wheel.
5. The apparatus as claimed in claim 4, wherein the medium is gas.
6. The device for constructing the elevator subsection hoistway as claimed in claim 1, 2 or 3, wherein a construction protection shed is arranged at the top end of the construction platform.
7. The device for constructing the sectional shaft of the elevator as claimed in claim 1, 2 or 3, wherein the top end of the lifting beam is provided with a top protection shed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524929.2U CN210103238U (en) | 2019-04-17 | 2019-04-17 | Device for elevator subsection well construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524929.2U CN210103238U (en) | 2019-04-17 | 2019-04-17 | Device for elevator subsection well construction |
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| Publication Number | Publication Date |
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| CN210103238U true CN210103238U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920524929.2U Active CN210103238U (en) | 2019-04-17 | 2019-04-17 | Device for elevator subsection well construction |
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| CN (1) | CN210103238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077934A (en) * | 2019-04-17 | 2019-08-02 | 奥的斯机电电梯有限公司 | A kind of constructing device and its construction method in elevator segmentation hoistway |
| CN111573573A (en) * | 2020-04-07 | 2020-08-25 | 中石化胜利建设工程有限公司 | Elevator shaft construction device and construction method |
-
2019
- 2019-04-17 CN CN201920524929.2U patent/CN210103238U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077934A (en) * | 2019-04-17 | 2019-08-02 | 奥的斯机电电梯有限公司 | A kind of constructing device and its construction method in elevator segmentation hoistway |
| CN111573573A (en) * | 2020-04-07 | 2020-08-25 | 中石化胜利建设工程有限公司 | Elevator shaft construction device and construction method |
| CN111573573B (en) * | 2020-04-07 | 2021-07-06 | 中石化石油工程技术服务有限公司 | Elevator shaft construction device and construction method |
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