CN114988253A - Overhead hoistway elevator - Google Patents
Overhead hoistway elevator Download PDFInfo
- Publication number
- CN114988253A CN114988253A CN202210672572.9A CN202210672572A CN114988253A CN 114988253 A CN114988253 A CN 114988253A CN 202210672572 A CN202210672572 A CN 202210672572A CN 114988253 A CN114988253 A CN 114988253A
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- Prior art keywords
- cage
- box
- counterweight
- frame
- overhead
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 3
- 230000004888 barrier function Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 229910000746 Structural steel Inorganic materials 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0206—Car frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an overhead hoistway elevator, which comprises a cage lifting box, a pair of main guide rails, a counterweight frame, a pair of auxiliary guide rails and a top beam, wherein the side wall surface of the cage lifting box is provided with a car door for loading or unloading a load; the pair of main guide rails are used for guiding and sliding the lifting cage box to vertically lift up and down, and the balance weight frame are closely arranged at the inner well wall beside the lifting cage box and used for balancing a load lifted by the lifting cage box; the pair of auxiliary guide rails is used for guiding and sliding the counterweight and the counterweight frame to vertically lift up and down; the hoisting machine and the guide wheel are arranged on the top beam and are in traction connection with the cage lifting box, the balance weight and the balance weight frame through a plurality of steel wire ropes; because the size of the roof beam and the cage box is adjustable, the hoisting cage box can be adapted to be installed in inner well shafts with various sizes, the tool difficulty and the installation time are reduced, and the construction and installation efficiency is effectively improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a hoistway lifting control technology in building construction, in particular to an overhead hoistway elevator.
[ background of the invention ]
In the existing building construction technology, the elevator is divided into an external hanging type elevator and an elevator in a shaft.
The whole lifting equipment is arranged outdoors by the external hanging machine type elevator, and an outdoor scaffold and a protection platform are additionally arranged when the external hanging machine type elevator is used; because the cage is exposed outdoors, the working environment in the cage is poor, the cage is easily influenced by weather, and the construction and the use cannot be effectively organized when the cage is in error work; when the protective device is used, safety facilities such as guard rails, springboards, protective nets and the like are required to be added to each layer, and the protection of an inner well opening is increased; after the construction is completed, the elevator foundation needs to be backfilled to repair the attached outer wall holes. Meanwhile, due to inherent structural limitation of the external hanging machine type elevator, the accidents of top rushing and falling or tipping can occur, and great potential safety hazards exist; and in the use process, the noise is high, the lifting speed is low, and the environment is not protected.
The elevator in the shaft adopts a whole set of equipment to be installed inside the shaft, is not limited by wind, rain, extremely hot and extremely cold weather, does not delay the working time, completely avoids the construction of workers exposed under the sunshine and the weathering, improves the working environment, and can effectively organize the construction in all seasons and all weather.
Therefore, the outdoor elevator has many defects in installation and use, and an idle inner shaft can be utilized, so that the construction elevator is not needed to be designed, the influence of weather factors on the work is not needed to be worried, too many protective facilities and scaffolds are not needed to be erected, and the construction elevator is economical, safe, green and environment-friendly.
[ summary of the invention ]
The embodiment of the invention provides an overhead hoistway elevator.A traction power driving mechanism is arranged on an overhead beam in an overhead manner, so that the connection structure is simpler, more convenient, safer and more reliable, the sizes of the overhead beam and a cage box are adjustable, the overhead beam and the cage box can be adapted to be arranged in inner wells with various sizes, and the construction and installation efficiency is effectively improved.
The technical scheme adopted by at least one embodiment of the invention is as follows:
overhead well elevator is suitable for the built-in installation in the inner well of unidimensional not, includes:
the cage lifting box is arranged at the bottom of an inner well shaft after the length and the width of the box body are adjusted relative to inner wells with different sizes, and a car door for loading or unloading bearing objects is arranged on the side wall surface;
the pair of main guide rails are symmetrically arranged on the inner well walls at two sides of the cage box and used for guiding and sliding the cage box to vertically lift up and down;
the counterweight and counterweight frame is arranged close to the inner well wall beside the cage box and is used for balancing the load lifted by the cage box;
the pair of auxiliary guide rails are symmetrically arranged on the inner well wall at two sides of the counterweight frame, are arranged in parallel relative to the pair of main guide rails, and are used for guiding the counterweight and the counterweight frame to slide up and down in a vertical lifting manner;
the hoisting device comprises a hoisting cage box, a counterweight and a counterweight frame, wherein the hoisting cage box is arranged on the hoisting cage box, the counterweight frame is arranged on the hoisting cage box, and the counterweight frame is connected with the counterweight frame through a plurality of steel wire ropes.
Preferably, a speed limiter used for limiting the lifting speed of the cage box is further connected to a steel wire rope between the traction machine and the counterweight and between the traction machine and the counterweight frame in a penetrating and sleeving manner.
Preferably, the speed limiter is fixed on the inner well wall.
Preferably, the top beam comprises two big top beams symmetrically arranged in a U-shaped plate structure, two small top beams in a U-shaped plate structure and fixed in a telescopic manner, and a plurality of connecting rib plates, and the two big top beams are connected and fixed through the plurality of connecting rib plates to form a cross beam frame;
the two small top beams are respectively arranged in the U-shaped grooves of the large top beam on each side in a sliding manner, and the distance between the two small top beams which slide out of the large top beam from the same end of the cross beam frame is adjusted relative to the inner wells with different sizes and is locked and fixed through bolts;
the two small top beams are fixedly connected through a plurality of connecting rib plates.
Preferably, the two ends of the cross beam frame are respectively provided with a rope end connecting clamping plate for fixing the end part of a steel wire rope connected with the cage box and the counterweight frame and preventing the steel wire rope from twisting during lifting.
Preferably, the middle part of the beam frame is provided with a traction machine and two guide wheels, the traction machine is connected with the cage lifting box and a steel wire rope connected with the counterweight frame through the two guide wheels in a winding manner, and the top end of the counterweight frame is provided with a counterweight bearing wheel connected with the steel wire rope bearing crane.
Preferably, the cage box comprises length and width adjustable sedan-chair top guardrail and length and width adjustable cage box, the car door install in on the preceding wall of cage box, the circumference periphery of cage box be connected with be square frame shape structure, and with two leading rail sliding sleeve complex cage framves of both sides, sedan-chair top guardrail installation fixed connection in cage frame upside, cage frame top side is connected with the box that is connected with wire rope bearing crane and holds the hanging wheel.
Preferably, the car top guardrail consists of a plurality of angle irons with installation holes matched with each other in a butt joint mode, and the length and the width of the car top guardrail are adjusted by adjusting the butt joint distance of the adjacent angle irons relative to inner wells with different sizes.
Preferably, a plurality of groups of rib groove butt-joint plates which are detachably connected side by side are correspondingly arranged in the length direction and the width direction of the wall side of the hanging box, and the rib groove butt-joint plates are simultaneously detached or added on all the wall sides corresponding to each other to adjust the length or the width of the hanging box.
The beneficial effects of at least one technical scheme or embodiment of the invention are as follows:
in the invention, the traction machine is arranged on the top beam, and an overhead power driving mode is adopted, so that compared with a screw-nut type elevator, the reduction box is not required to be matched with a gear, no mechanical sound caused by gear friction exists, and the elevator has the characteristics of high running speed, silence, stability, safety and reliability.
Meanwhile, compared with inner well shafts with different sizes, the top beam can be disassembled, telescopically assembled and assembled, the length of the top beam can be adjusted in a self-adaptive mode according to the well shafts with different intervals, and the applicability of the device is effectively solved; the corresponding cage box consists of the car top guardrail with the adjustable length and width and the cage box, so that the adaptability of the inner well shafts with different sizes can be adjusted, the difficulty and the installation time of the tool in construction can be effectively solved, and the construction and installation efficiency can be effectively improved.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an enlarged view of the part A of FIG. 1;
FIG. 3 is an enlarged schematic perspective view of the top sill in the embodiment of the present invention;
FIG. 4 is a schematic front view of an embodiment of the present invention;
FIG. 5 is a schematic side view of an embodiment of the present invention.
Reference numerals:
1. a main guide rail; 2. a secondary guide rail; 3. hanging a cage box; 30. a car top guardrail; 31. hanging a box; 32. hanging a cage frame; 321. a box body bearing and hanging wheel; 4. balancing weight; 5. a counterweight frame; 50. a counterweight suspension wheel; 6. a top beam; 60. a girder; 61. a small top beam; 62. connecting a rib plate; 63. a top sill bracket; 7. a car door; 8. a traction machine; 9. a guide wheel; 10. a wire rope; 11. a speed limiter; 12. the rope end is connected with the clamping plate; a. angle iron; b. the rib groove is connected with the plate.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The overhead hoistway elevator provided by the embodiment is suitable for being installed in internal shaft hoistways with different sizes, as shown in fig. 1 to 5, and comprises a pair of main guide rails 1, a pair of auxiliary guide rails 2, a cage box 3, a counterweight 4, a counterweight frame 5 and a top beam 6, wherein the cage box 3 is installed at the bottom of the internal shaft hoistway after adjusting the length and width of the box body relative to the internal shafts with different sizes, and a car door 7 for loading or unloading a load is arranged on the front side wall surface; the main guide rails 1 are symmetrically arranged on the inner well wall at two sides of the cage hoisting box 3 and used for guiding the cage hoisting box 3 to vertically lift; the counterweight 4 and the counterweight frame 5 are arranged close to the inner well wall at the rear side of the suspension cage box 3 and are used for balancing the suspension cage box 3 and the load-bearing objects lifted by the suspension cage box; the pair of auxiliary guide rails 2 are symmetrically arranged on the inner well wall on two sides of the counterweight frame 5, are arranged in parallel relative to the pair of main guide rails 1 and are used for guiding and sliding up and down vertical lifting of the counterweight and the counterweight frame 5; the overbeam 6 is mounted at the top of an inner well after the length of one side end part of the inner well with different sizes can be adjusted in a telescopic mode, a traction machine 8 and two guide wheels 9 are arranged on the overbeam 6, the traction machine 8 and the two guide wheels 9 are in traction connection with the cage box 3, the balance weight 4 and the balance weight frame 5 through a plurality of steel wire ropes 10 respectively, a speed limiter 11 used for limiting the lifting speed of the cage box 3 is further connected to the steel wire ropes 10 among the traction machine 8, the balance weight 4 and the balance weight frame 5 in a penetrating and sleeving mode, and the speed limiter 11 is fixed to the wall of the inner well.
As shown in fig. 3, the top beam 6 comprises two big top beams 60 symmetrically arranged in a U-shaped plate structure, two small top beams 61 in a U-shaped plate structure and fixed in a telescopic manner, and a plurality of connecting rib plates 62, wherein the two big top beams 60 are connected and fixed through the plurality of connecting rib plates 62 to form a beam frame; the two small top beams 61 are respectively installed in the U-shaped grooves of the large top beam 60 on each side in a sliding mode, the distance of the two small top beams 61 sliding out of the large top beam 60 from the same end of the cross beam frame is adjusted relative to the inner wells with different sizes, the two small top beams are locked and fixed through bolts, the top beams 6 are installed in the inner wells with different sizes after being adjusted in length, the specific installation modes of the top beams 6 are divided into two modes, one mode is that the top beams are fixed on a top beam bracket 63 connected with the well wall on the top of the inner well shaft through screws, and the other mode is that holes convenient for inserting the two ends of the top beams are directly reserved in the well wall on the top of the inner well; the two small top beams 61 are fixedly connected through a plurality of connecting rib plates 62, rope end connecting splints 12 for fixing the end parts of the steel wire ropes 10 connected with the cage box 3 and the counterweight frame 5 and preventing the steel wire ropes 10 from twisting during lifting are respectively arranged at the two ends of the cross beam frame, a tractor 8 and two guide wheels 9 are arranged in the middle of the cross beam frame, the tractor 8 is connected with the cage box 3 and the steel wire ropes 10 connected with the counterweight frame 5 through the two guide wheels 9 in a winding manner, and counterweight bearing hanging wheels 50 connected with the steel wire ropes 10 in a bearing and hanging manner are arranged at the top end of the counterweight frame 5.
As shown in fig. 2, the cage box 3 is composed of a length-width adjustable cage top guard 30 and a length-width adjustable cage 31, the car door 7 is installed on the front wall surface of the cage 31, the middle part of the circumferential periphery of the cage 31 is connected with a cage frame 32 which is in a square frame structure and is in sliding fit with two main guide rails 1 on two sides, the cage top guard 30 is installed and fixedly connected on the upper side of the cage frame 32, and the top side of the cage frame 32 is connected with a box body bearing wheel 321 which is connected with a steel wire rope 10 in a bearing and hanging manner.
As shown in fig. 2, the top guard 30 is composed of a plurality of angle iron a with installation holes for mutual butt-joint fit, the length and width of the top guard 30 can be adjusted by adjusting the butt-joint distance of adjacent angle iron a relative to the inner shaft with different sizes, and then the overlapped parts of adjacent angle iron a are fastened through the installation holes by a plurality of groups of bolts to realize the adjustment and installation of the top guard 30. Simultaneously, the length of the six outer walls of this hanging box 31 and the mutual correspondence of width direction be provided with a plurality of muscle groove buttcover plate b that can dismantle the connection side by side of multiunit, when 31 length of hanging box or width size are adjusted to needs, dismantle simultaneously or increase muscle groove buttcover plate b and adjust this hanging box 31 length or width through the wall side that corresponds relatively, realize according to not unidimensional inner well, on-the-spot self-adaptation's regulation hanging box 31 erection dimension, effectively solve the frock degree of difficulty and the installation time in the construction, effectively improve construction installation effectiveness.
In the description of the present invention, it should be noted that the terms "front", "top", "bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, and all equivalent changes in shape, structure and principle of the invention should be covered by the protection scope of the present invention.
Claims (9)
1. Overhead well elevator is suitable for the built-in installation in the interior well of unidimensional not, its characterized in that includes:
the cage hoisting box is arranged at the bottom of an inner well shaft after the length and the width of the box body are adjusted relative to inner wells with different sizes, and the side wall surface is provided with a cage door for loading or unloading bearing objects;
the pair of main guide rails are symmetrically arranged on the inner well walls at two sides of the cage box and used for guiding and sliding the cage box to vertically lift up and down;
the counterweight and counterweight frame is close to the inner well wall beside the cage box and is used for balancing the load-bearing object lifted by the cage box;
the pair of auxiliary guide rails are symmetrically arranged on the inner well wall at two sides of the counterweight frame, are arranged in parallel relative to the pair of main guide rails, and are used for guiding the counterweight and the counterweight frame to slide up and down in a vertical lifting manner;
the hoisting device comprises a hoisting cage box, a counterweight and a counterweight frame, wherein the hoisting cage box is arranged on the hoisting cage box, the counterweight and the counterweight frame are arranged on the hoisting cage box, and the counterweight frame are connected with the hoisting cage box through a plurality of steel wire ropes.
2. The overhead hoistway elevator of claim 1, wherein a speed limiter for limiting the lifting speed of the cage box is further connected to a wire rope passing between the hoisting machine and the counterweight and counterweight housing.
3. The overhead hoistway elevator of claim 2, wherein the governor is secured to an inner hoistway wall.
4. The overhead hoistway elevator according to claim 1, wherein the top beam comprises two large top beams symmetrically arranged in a U-shaped plate structure, two small top beams in a U-shaped plate structure and telescopically fixed, and a plurality of connecting rib plates, and the two large top beams are connected and fixed through the plurality of connecting rib plates to form a cross beam frame;
the two small top beams are respectively arranged in the U-shaped grooves of the large top beam on each side in a sliding manner, and the distance between the two small top beams which slide out of the large top beam from the same end of the cross beam frame is adjusted relative to the inner wells with different sizes and is locked and fixed through bolts;
the two small top beams are fixedly connected through a plurality of connecting rib plates.
5. The overhead hoistway elevator according to claim 4, wherein rope end connection clamping plates for fixing the ends of the steel ropes connected to the cage box and the counterweight housing and preventing the steel ropes from being twisted during hoisting are respectively provided at both ends of the cross beam.
6. The overhead hoistway elevator according to claim 4, wherein a traction machine and two guide wheels are mounted in the middle of the beam frame, the traction machine is connected with the cage box and a steel wire rope connected with the counterweight frame through the two guide wheels in a winding manner, and a counterweight bearing wheel connected with the steel wire rope bearing crane is mounted at the top end of the counterweight frame.
7. The overhead hoistway elevator of claim 1, wherein the cage box comprises a top guardrail and a hanging box, the length and the width of the top guardrail are adjustable, the car door is mounted on the front wall surface of the hanging box, the peripheral periphery of the hanging box is connected with a cage frame which is in a square frame structure and matched with two main guide rail sliding sleeves on two sides, the top guardrail is fixedly connected to the upper side of the cage frame, and the top side of the cage frame is connected with a box body bearing and hanging wheel connected with a steel wire rope bearing and hanging machine.
8. The overhead hoistway elevator of claim 7, wherein the top barrier comprises a plurality of angle bars having mating mounting holes for mating with each other, and wherein the length and width of the top barrier are adjusted relative to different sizes of inner wells by adjusting the mating distance between adjacent angle bars.
9. The overhead hoistway elevator of claim 7, wherein a plurality of sets of multiple rib slot butt-joint plates detachably connected side by side are provided corresponding to each other in the wall side length and width directions of the car, and the length or width of the car is adjusted by simultaneously detaching or adding the rib slot butt-joint plates to all the corresponding wall sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672572.9A CN114988253A (en) | 2022-06-14 | 2022-06-14 | Overhead hoistway elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672572.9A CN114988253A (en) | 2022-06-14 | 2022-06-14 | Overhead hoistway elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114988253A true CN114988253A (en) | 2022-09-02 |
Family
ID=83034855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210672572.9A Pending CN114988253A (en) | 2022-06-14 | 2022-06-14 | Overhead hoistway elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114988253A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1988049A1 (en) * | 2007-05-04 | 2008-11-05 | Inventio Ag | Safety device for an elevator car |
| WO2012024930A1 (en) * | 2010-08-25 | 2012-03-01 | 康力电梯股份有限公司 | Adjustable car top guardrail |
| CN110950216A (en) * | 2019-12-19 | 2020-04-03 | 奥帝亚电梯有限公司 | Elevator with telescopic car |
| CN210619934U (en) * | 2019-09-06 | 2020-05-26 | 歌拉瑞电梯股份有限公司 | A scalable cage leg for towing formula construction elevator |
| CN212151243U (en) * | 2019-12-30 | 2020-12-15 | 广东合迪科技股份有限公司 | Multi-layer floor material transfer device |
| CN213202029U (en) * | 2020-08-25 | 2021-05-14 | 江西重契机械设备有限公司 | Cage leg of adjustable size |
| CN113336055A (en) * | 2021-07-14 | 2021-09-03 | 甘肃吉诚创新机械设备有限公司 | Elevator car that stretches out and draws back |
| CN216105499U (en) * | 2021-08-20 | 2022-03-22 | 苏州科莱瑞智能装备有限公司 | Span-adjustable roof beam for traction type construction elevator |
| CN216377068U (en) * | 2021-02-03 | 2022-04-26 | 河南富控电梯有限公司 | Telescopic lift car for elevator |
| CN216687022U (en) * | 2021-10-29 | 2022-06-07 | 浙江班门机械科技有限公司 | Upper backpack type lifter |
-
2022
- 2022-06-14 CN CN202210672572.9A patent/CN114988253A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1988049A1 (en) * | 2007-05-04 | 2008-11-05 | Inventio Ag | Safety device for an elevator car |
| WO2012024930A1 (en) * | 2010-08-25 | 2012-03-01 | 康力电梯股份有限公司 | Adjustable car top guardrail |
| CN210619934U (en) * | 2019-09-06 | 2020-05-26 | 歌拉瑞电梯股份有限公司 | A scalable cage leg for towing formula construction elevator |
| CN110950216A (en) * | 2019-12-19 | 2020-04-03 | 奥帝亚电梯有限公司 | Elevator with telescopic car |
| CN212151243U (en) * | 2019-12-30 | 2020-12-15 | 广东合迪科技股份有限公司 | Multi-layer floor material transfer device |
| CN213202029U (en) * | 2020-08-25 | 2021-05-14 | 江西重契机械设备有限公司 | Cage leg of adjustable size |
| CN216377068U (en) * | 2021-02-03 | 2022-04-26 | 河南富控电梯有限公司 | Telescopic lift car for elevator |
| CN113336055A (en) * | 2021-07-14 | 2021-09-03 | 甘肃吉诚创新机械设备有限公司 | Elevator car that stretches out and draws back |
| CN216105499U (en) * | 2021-08-20 | 2022-03-22 | 苏州科莱瑞智能装备有限公司 | Span-adjustable roof beam for traction type construction elevator |
| CN216687022U (en) * | 2021-10-29 | 2022-06-07 | 浙江班门机械科技有限公司 | Upper backpack type lifter |
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