CN114148865A - Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement - Google Patents
Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement Download PDFInfo
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- CN114148865A CN114148865A CN202111540343.3A CN202111540343A CN114148865A CN 114148865 A CN114148865 A CN 114148865A CN 202111540343 A CN202111540343 A CN 202111540343A CN 114148865 A CN114148865 A CN 114148865A
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
- B66B11/02—Cages, i.e. cars
- B66B11/0206—Car frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/047—Shoes, sliders
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses integrated bottom bracket car frame equipment with efficient layout, which relates to the field of elevators and comprises a main portal frame component and two auxiliary portal frame components, wherein the two auxiliary portal frame components are symmetrically distributed on the front side and the rear side of the main portal frame component, the main portal frame component comprises two main vertical beams which are symmetrically arranged from left to right, and a main upper beam is fixedly connected between the upper ends of the two main vertical beams. Thereby make the installation can be reasonable utilize the well space, save the effect of civil engineering cost.
Description
Technical Field
The invention relates to the field of elevators, in particular to integrated bottom support car frame equipment with efficient layout.
Background
Elevator frames can be generally classified into top-hung and bottom-supported types. Compared with top-hung type linear bearing by double-spliced traction upper beams, the traction lower beam of the bottom-supported car frame and the car bottom structure are combined into a whole up and down tightly, so that a three-dimensional bearing structure is formed, and the car bottom structure of the bottom-supported car frame not only is a main load platform, but also is an important component of an elevator suspension traction system, and provides a good structural premise for the performance potential of used materials;
however, the design of the bottom-supported car frame in the market at present, especially the design of a large-tonnage four-rail or six-rail car frame structure, is complex and redundant, for example, the original top-suspended car frame structure is directly transported, and the upper return rope (traction) lower beam is supplemented at the car bottom, namely, the bottom-supported car frame is simply changed into the bottom-supported car frame under the technical condition that the original top-suspended car structure is almost unchanged. Because the stress forms and the force transmission paths of bottom-supported car frames and top-hung car frames are obviously different, particularly after the bottom-supported car frames are changed into the top-hung car frames, the gantry structure of the original car frame is changed from the characteristics (guide shoes, safety tongs, door machine fixing points and the like) of both main stress and functionality into the characteristics of only having functionality, so that the original gantry structure is full of snaking and wastes materials.
Disclosure of Invention
The invention aims to provide integrated bottom bracket car frame equipment with efficient layout so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated bottom bracket car frame device with high-efficiency layout comprises a main portal frame component and two auxiliary portal frame components, wherein the two auxiliary portal frame components are symmetrically distributed on the front side and the rear side of the main portal frame component, the main portal frame component comprises two main vertical beams which are symmetrically arranged from left to right, a main upper beam is fixedly connected between the upper ends of the two main vertical beams, a main lower beam is fixedly connected between the lower ends of the two main vertical beams, each main vertical beam is fixedly provided with a cantilever beam close to the vertical direction end surface of the central line of the main upper beam, each auxiliary portal frame component respectively comprises auxiliary vertical beams which are fixedly arranged at the front end and the rear end of the corresponding cantilever beam, an auxiliary upper beam is fixedly connected between the upper ends of the two corresponding auxiliary vertical beams, the left end surface and the right end surface of the lower end of each auxiliary vertical beam are respectively and fixedly connected with a vertical beam connecting piece, and a return rope lower beam is fixedly connected between the two corresponding vertical beam connecting pieces, each auxiliary vertical beam is provided with a return rope wheel at the lower side, each return rope wheel is rotatably installed on the corresponding two return rope lower beams, each main vertical beam and the corresponding auxiliary vertical beam are provided with a pull rod assembly respectively, each main vertical beam is provided with a safety assembly between the lower end face and a safety clamp base plate, and the corresponding two return rope lower beams are provided with quick-assembly combined attached guide shoes respectively at the left and right end faces.
Preferably, five bracket beams are respectively arranged on each return rope lower beam, the five bracket beams are distributed at equal intervals, the middle part of each bracket beam is fixedly connected with the upper end surface of the main lower beam, and the lower end surfaces of the front part and the rear part of each bracket beam are respectively fixedly connected with the upper end surface of the corresponding return rope lower beam.
Preferably, each pull rod assembly comprises a lower penetrating connecting beam fixedly provided with five lower end surfaces of the front side and the rear side of the bracket beam, the left end surface and the right end surface of each lower penetrating connecting beam are respectively and rotatably connected with a pull rod bolt, each pull rod bolt is respectively and fixedly connected with a pull rod, and the upper end of each pull rod is respectively and hingedly connected with the corresponding end surface of the main vertical beam.
Preferably, each auxiliary vertical beam is provided with a through long circular hole and is distributed in an inclined manner, and each pull rod penetrates through the corresponding long circular hole in the auxiliary vertical beam, so that the pull rods provide a horizontal adjusting effect for the installation of the car bottom plate, and meanwhile, the close connection between the corresponding underpass connecting beam and the car bottom structure is beneficial to the mechanical performance of the car bottom.
Preferably, each safety component comprises a safety gear fixedly installed below the left side and the right side of each main lower beam, the lower end face of each safety gear is fixedly connected with a vertical lower guide shoe, the upper end faces of the left side and the right side of each main upper beam are fixedly connected with guide shoe base plates, the lower end face of each guide shoe base plate is abutted to the upper end face of the corresponding main vertical beam, and the upper end face of each guide shoe base plate is fixedly connected with a vertical upper guide shoe.
Preferably, a buffer gap is reserved between the upper end face of each safety gear and the corresponding lower end face of the main vertical beam, shock absorption pads made of different materials and having different rigidity can be installed in the buffer gap according to different elevator shaft environments, and due to different humidity in different shafts, the service life of the shock absorption pads made of different materials can be greatly prolonged, so that huge impact force transmitted to the lift car when the safety gears act is responded, impact time is prolonged, and the safety of the lift car and goods is protected.
Preferably, each fast-assembly combined attached guide shoe comprises a guide shoe supporting piece fixedly mounted on the left end face and the right end face of each corresponding return rope lower beam, and each guide shoe supporting piece is far away from the corresponding end face of the auxiliary vertical beam in the direction respectively and fixedly connected with an attached guide shoe.
Preferably, each guide shoe supporting piece is a C-shaped steel beam or a channel steel, and the upper end surface and the lower end surface of each guide shoe supporting piece are respectively flush with the upper end surface and the lower end surface of the corresponding return rope lower beam, so that the guide shoe supporting pieces are combined with the corresponding attached guide shoes as supports and are installed at the two ends of the upper beam and the lower beam of the whole gantry structure, and when maintenance or replacement is needed, the attached guide shoes can be detached independently after being removed integrally or the quickly assembled and combined attached guide shoes can be maintained directly.
Preferably, the wing plate and the web plate of each guide shoe support part are respectively provided with a long round mounting hole, and the long round mounting holes with the same specification are formed at the positions of the attached guide shoe bottom plates, so that the integral installation is greatly facilitated, and meanwhile, the necessary fine adjustment is facilitated in the installation process.
In conclusion, the beneficial effects of the invention are as follows:
1. according to the invention, the main gantry assembly and the return rope lower beam are integrated, compared with a traditional car frame structure, the positions of the auxiliary gantry assembly and the main gantry assembly are reasonably arranged, for a gantry framework which only plays a role in fixing guide shoes, gantry cranes and the like to maintain the car frame functionality but hardly bears the force, materials with smaller specifications are used, for a lower beam structure which needs to bear main load and local impact force of safety tongs and a buffer, materials with larger specifications corresponding to the lower beam structure are adopted, the structural layout has obvious pertinence and can ensure the structural integrity, and the potential of the materials is excavated as far as possible, so that the distance difference between the main guide rail and the auxiliary guide rail in the installation process is effectively ensured for the overall structure of the invention, the installation can reasonably utilize the well space, and the effect of saving the civil engineering cost is achieved.
2. The auxiliary guide shoes positioned on the left side and the right side are arranged in a fast-assembly combined attached type, are combined with the corresponding attached type guide shoes through the guide shoe supporting pieces as supports, are arranged at the two ends of the upper beam and the lower beam of the whole gantry structure, and can be detached independently or maintained directly after being removed integrally when maintenance or replacement is needed, so that the problems of difficult installation, difficult detachment, difficult maintenance and the like of the traditional attached type guide shoes are effectively solved, and the device is convenient and fast.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an integrated bottom bracket car frame device with an efficient layout according to the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic overall front view structure diagram of an integrated bottom-support car frame device with an efficient layout according to the present invention;
FIG. 4 is a schematic left-view structural diagram of an integrated bottom-support car frame device of an efficient layout according to the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 1 according to the present invention.
The scores in the figures are as follows: 10. a sub gantry assembly; 101. a secondary upper beam; 102. a secondary vertical beam; 103. returning the rope and lowering the beam; 20. a drawbar assembly; 201. a pull rod; 202. a connecting beam is penetrated downwards; 203. a draw bar bolt; 30. a main gantry frame assembly; 301. a main upper beam; 302. a main vertical beam; 303. a main lower beam; 304. a rope returning wheel; 305. a vertical beam connecting piece; 40. a fast-assembling combined attached guide shoe; 401. an attached guide shoe; 402. a guide shoe support; 11. a cantilever beam; 12. a bracket beam; 13. safety tongs; 14. a vertical lower guide shoe; 15. a vertical upper guide shoe; 16. a guide shoe backing plate.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: an efficient layout integrated bottom bracket car frame device comprises a main gantry assembly 30 and two auxiliary gantry assemblies 10, wherein the two auxiliary gantry assemblies 10 are symmetrically distributed on the left side and the right side of the main gantry assembly 30, the main gantry assembly 30 comprises two main vertical beams 302 which are symmetrically arranged left and right, a main upper beam 301 is fixedly connected between the upper ends of the two main vertical beams 302, a main lower beam 303 is fixedly connected between the lower ends of the two main vertical beams 302, a cantilever beam 11 is fixedly arranged on the end surface, close to the central line vertical direction, of each main vertical beam 302, each auxiliary gantry assembly 10 comprises auxiliary vertical beams 102 which are fixedly arranged on the left end and the right end of the corresponding cantilever beam 11, an auxiliary upper beam 101 is fixedly connected between the upper ends of the corresponding two auxiliary vertical beams 102, vertical beam connectors 305 are fixedly connected on the left end surface and the right end surface of the lower end of each auxiliary vertical beam 102, a return rope lower beam 103 is fixedly connected between the corresponding two vertical beam connectors 305, a rope return wheel 304 is arranged on the lower side of each auxiliary vertical beam 102, each rope return wheel 304 is mounted on the corresponding two rope return lower beams 103, a pull rod assembly 20 is arranged between each main vertical beam 302 and the corresponding auxiliary vertical beam 102, a safety assembly is arranged between the lower end surface of each main vertical beam 302 and a safety gear base plate, and quick-assembly combined attached guide shoes 40 are arranged on the front end surface and the rear end surface of the corresponding two rope return lower beams 103 respectively
In addition, in an embodiment, five bracket beams 12 are respectively arranged on each of the return rope lower beams 103, the five bracket beams 12 are distributed at equal intervals, the middle part of each bracket beam 12 is fixedly connected with the upper end surface of the main lower beam 303, and the front and rear lower end surfaces of each bracket beam 12 are respectively fixedly connected with the upper end surfaces of the corresponding return rope lower beams 103.
In addition, in one embodiment, each of the tie rod assemblies 20 includes a lower connecting beam 202 fixedly installed on the left and right lower end surfaces of five bracket beams 12, a tie rod bolt 203 is rotatably connected to the front and rear end surfaces of each of the lower connecting beams 202, a tie rod 201 is fixedly connected to each of the tie rod bolts 203, and the upper end of each of the tie rods 201 is hinged to the corresponding end surface of the main upright beam 302.
In addition, in one embodiment, each of the secondary vertical beams 102 is provided with a through slotted hole and is distributed in an inclined manner, and each of the pull rods 201 penetrates through the corresponding slotted hole in the secondary vertical beam 102, so that the pull rods 201 provide a horizontal adjusting effect for the installation of the platform plate, and the corresponding tight connection between the underpass connecting beam 202 and the platform structure is beneficial to the mechanical performance of the platform.
In addition, in one embodiment, each safety assembly includes a safety gear 13 fixedly installed below the left side and the right side of each main vertical beam 302, a vertical lower guide shoe 14 is fixedly connected to the lower end surface of each safety gear 13, a guide shoe cushion plate 16 is fixedly connected to the upper end surface of each front side and the rear side of the main upper beam 301, the lower end surface of each guide shoe cushion plate 16 abuts against the upper end surface of the corresponding main vertical beam 302, and a vertical upper guide shoe 15 is fixedly connected to the upper end surface of each guide shoe cushion plate 16.
In addition, in an embodiment, a buffering gap is reserved between the upper end face of each safety gear 13 and the corresponding lower end face of the main vertical beam 302, shock-absorbing pads of different materials and rigidity can be installed in the buffering gap according to different elevator shaft environments, and due to different humidity in different shafts, the service life of the shock-absorbing pads of different materials can be greatly prolonged, so that the huge impact force transmitted to the car when the safety gears act is responded, the impact time is prolonged, and the safety of the car and goods is protected.
In addition, in one embodiment, each fast-assembling and assembling attached guide shoe 40 includes a guide shoe support 402 fixedly mounted on left and right end surfaces of the two corresponding return rope lower beams 103, and an attached guide shoe 401 is fixedly connected to an end surface of each guide shoe support 402 away from the corresponding secondary vertical beam 102.
In addition, in an embodiment, each guide shoe support 402 is a C-shaped steel beam or a channel steel, and the upper and lower end surfaces of each guide shoe support 402 are flush with the upper and lower end surfaces of the corresponding return rope lower beam 103, so that the guide shoe supports 402 are used as supports to be combined with the corresponding attached guide shoes 401 and installed at the two ends of the upper and lower beams of the whole gantry structure, and when maintenance or replacement is needed, the attached guide shoes 401 can be detached separately or the quickly assembled and combined attached guide shoes 40 can be directly maintained after being removed integrally.
In addition, in one embodiment, a wing plate and a web plate of each guide shoe support 402 are respectively provided with a long round mounting hole, and long round mounting holes with the same specification are formed in the positions of the bottom plates of the attached guide shoes 401, so that the integral installation is greatly facilitated, and necessary fine adjustment during the installation process is also facilitated.
When the elevator cage is installed, compared with the traditional cage frame structure, the main gantry assembly 30 and the rope return lower beam 103 are integrated into a whole, meanwhile, the positions of the auxiliary gantry assembly 10 and the main gantry assembly 30 are reasonably arranged, for the gantry structure which only plays a role of fixing guide shoes, gantry cranes and the like to maintain the functionality of the elevator cage but hardly bears the force, materials with smaller specifications are used, for the lower beam structure which needs to bear main load and the local impact force of safety tongs and a buffer, materials with larger specifications corresponding to the lower beam structure are adopted, the structural layout has obvious pertinence and can ensure the structural integrity, the potential of the material is excavated as much as possible, meanwhile, the auxiliary guide shoes positioned at the left side and the right side are set to be in a fast-assembly attachment type, so that the auxiliary guide shoes 402 are used as supports to be combined with the corresponding attachment type guide shoes 401 and are installed at the two ends of the upper beam and the lower beam of the whole gantry structure, when maintenance or replacement is needed, the attached guide shoe 401 can be detached independently or the quickly assembled and combined attached guide shoe 40 can be maintained directly after being removed integrally, so that the problems of difficult installation, difficult detachment, difficult maintenance and the like of the traditional attached guide shoe are effectively solved, convenience and rapidness are realized, the distance difference between the main guide rail and the auxiliary guide rail in the installation process is effectively ensured for the integral structure of the invention, the well space can be reasonably utilized in the installation, and the civil engineering cost is saved.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (9)
1. The utility model provides an integrated form collet sedan-chair frame equipment of high-efficient overall arrangement, includes main gantry subassembly (30) and two vice gantry subassemblies subassembly (10), its characterized in that: the two auxiliary gantry frame assemblies (10) are symmetrically distributed on the front side and the rear side of the main gantry frame assembly (30), the main gantry frame assembly (30) comprises two main vertical beams (302) which are arranged in a bilateral symmetry mode, a main upper beam (301) is fixedly connected between the upper ends of the two main vertical beams (302), a main lower beam (303) is fixedly connected between the lower ends of the two main vertical beams (302), a cantilever beam (11) is fixedly arranged on the end face, close to the center line of the main upper beam (301), of each main vertical beam (302) in the vertical direction, each auxiliary gantry frame assembly (10) comprises auxiliary vertical beams (102) fixedly arranged at the left end and the right end of the corresponding cantilever beam (11), an auxiliary upper beam (101) is fixedly connected between the upper ends of the two corresponding auxiliary vertical beams (102), vertical beam connecting pieces (305) are fixedly connected to the left end face and the right end face of the lower end of each auxiliary vertical beam (102), and a return rope lower beam (103) is fixedly connected between the two corresponding vertical beam connecting pieces (305), the lower side of each auxiliary vertical beam (102) is provided with a return rope wheel (304), each return rope wheel (304) is installed on two corresponding return rope lower beams (103), a pull rod assembly (20) is arranged between each main vertical beam (302) and the corresponding auxiliary vertical beam (102), a safety assembly is arranged between the lower end face of each main vertical beam (302) and a safety gear base plate, and the front end face and the rear end face of each corresponding return rope lower beam (103) are respectively provided with a quick-assembly combined attached guide shoe (40).
2. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 1, wherein: five bracket beams (12) are respectively arranged on each return rope lower beam (103), the five bracket beams (12) are distributed at equal intervals, the middle part of each bracket beam (12) is fixedly connected with the upper end face of the main lower beam (303), and the lower end faces of the front part and the rear part of each bracket beam (12) are respectively fixedly connected with the corresponding upper end faces of the return rope lower beams (103).
3. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 2, wherein: each pull rod assembly (20) comprises five lower penetrating connecting beams (202) fixedly mounted on the lower end faces of the left side and the right side of the bracket beam (12), the front end face and the rear end face of each lower penetrating connecting beam (202) are respectively and rotatably connected with a pull rod bolt (203), each pull rod bolt (203) is respectively and fixedly connected with a pull rod (201), and the upper end of each pull rod (201) is respectively hinged with the corresponding end face of the main vertical beam (302).
4. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 3, wherein: each auxiliary vertical beam (102) is provided with a through long round hole and is distributed in an inclined mode, and each pull rod (201) penetrates through the corresponding long round hole in the auxiliary vertical beam (102).
5. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 1, wherein: every safety subassembly includes fixed mounting respectively safety tongs (13) under main upright beam (302) the left and right sides, every safety tongs (13) lower terminal surface respectively fixedly connected with lead boots (14) under vertical, main upper beam (301) front and back both sides up end respectively fixedly connected with lead boots backing plate (16), every lead boots backing plate (16) lower terminal surface respectively with correspond main upright beam (302) up end butt, every lead boots backing plate (16) up end respectively fixedly connected with lead boots (15) on vertical.
6. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 5, wherein: and a buffer gap is reserved between the upper end surface of each safety gear (13) and the lower end surface of the corresponding main vertical beam (302).
7. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 2, wherein: each fast-assembly combined attached guide shoe (40) comprises guide shoe supporting pieces (402) fixedly mounted on the left end face and the right end face of each corresponding two return rope lower beams (103), and each guide shoe supporting piece (402) is far away from the corresponding end face in the direction of the auxiliary vertical beam (102) and is fixedly connected with an attached guide shoe (401).
8. The integrated bottom bracket car frame device with an efficient layout as claimed in claim 7, wherein: each guide shoe support (402) is a C-shaped steel beam or a channel steel, and the upper end face and the lower end face of each guide shoe support (402) are flush with the corresponding upper end face and the lower end face of the return rope lower beam (103).
9. The integrated bottom bracket car frame device with an efficient layout of claim 8, wherein: oblong mounting holes are formed in a wing plate and a web plate of each guide shoe support (402), and oblong mounting holes with the same specification are formed in the positions of bottom plates of the attached guide shoes (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540343.3A CN114148865A (en) | 2021-12-16 | 2021-12-16 | Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540343.3A CN114148865A (en) | 2021-12-16 | 2021-12-16 | Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement |
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| CN114148865A true CN114148865A (en) | 2022-03-08 |
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| CN202111540343.3A Pending CN114148865A (en) | 2021-12-16 | 2021-12-16 | Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement |
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| CN208279151U (en) * | 2018-05-04 | 2018-12-25 | 江西江特电气集团有限公司 | A kind of rloomless cargo ift carriage |
| CN208802728U (en) * | 2018-09-07 | 2019-04-30 | 杭州奥立达电梯有限公司 | Passenger lift upper beam structure |
| WO2020049714A1 (en) * | 2018-09-07 | 2020-03-12 | 三菱電機株式会社 | Car-suspending wheel assembly |
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