CN110980479A - Elevator car bottom structure capable of reducing space occupation - Google Patents
Elevator car bottom structure capable of reducing space occupation Download PDFInfo
- Publication number
- CN110980479A CN110980479A CN201911179021.3A CN201911179021A CN110980479A CN 110980479 A CN110980479 A CN 110980479A CN 201911179021 A CN201911179021 A CN 201911179021A CN 110980479 A CN110980479 A CN 110980479A
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- China
- Prior art keywords
- sedan
- chair
- car
- floorbar
- platform structure
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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
-
- 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
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
- B66B11/0273—Passive systems acting between car and supporting frame
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention provides an elevator car bottom structure capable of reducing space occupation, which comprises a car bottom structure and a fixed frame, wherein the car bottom structure comprises a supporting surface for supporting a car, a connecting piece is arranged on the supporting surface and fixedly connected with the bottom of the car, the fixed frame is formed into an Jiong-shaped structure and is arranged at the top and two side edges of the car in an enclosing manner, the bottom end of the fixed frame is fixedly connected to the car bottom, and the car bottom structure and the fixed frame are fixedly connected to form a structure for enclosing the car and are fixedly connected. The connecting piece plays spacing effect, helps the car location, and the position fixed frame of installation accuracy is for forming the restriction of four upper and lower left and right sides with the sedan-chair bottom structure is fixed, the protection car. The thickness of the car bottom is reduced, the safety space of the elevator shaft is increased, and the safety of the elevator is improved.
Description
Technical Field
The invention relates to an improvement technology of a related support structure of an elevator car, in particular to an elevator car bottom structure capable of reducing space occupation.
Background
The elevator is a special device which is used in a building and mainly provides a lifting function, the elevator runs through a traction system arranged at the top to drive an elevator car and a counterweight to move up and down relatively, so that the transportation of the load on the elevation of the car is realized, the up-and-down movement of the car is maintained on the stroke of a traction rope in the running process of the car, the traction rope passes through the car, the length of the traction rope around the car determines the up-and-down movement of the car, in order to ensure the stable operation of the lift car, the position where the hoisting rope penetrates through the lift car is provided with a top and a bottom, the mode of arranging the hoisting rope on the top is mostly applied to the lift structure with small load, and the strength requirement on the rope penetrating wheel and the connecting structure is high, the rope penetrating wheel and the connecting structure are more applied in a mode of being arranged on the car roof, the cost can be reduced, the material consumption can be reduced, the structure of the rope passing wheel combined with the platform structure has a prominent influence on improving the running stability and safety of the elevator car.
The sedan-chair is still undertaking the effect of supporting the car at the bottom of in addition, elevator car fixes on the sedan-chair at the bottom of, and the restriction is in the frame, and the thickness at the bottom of the sedan-chair, influence to the elevator well is great, the height reservation of the pit of the elevator well of some buildings is not enough, if the thickness at the bottom of the sedan-chair is too big, will take up the space of pit, the space of leaving just makes entering into the pit of difficult maintainer safety very much, it is very inconvenient to overhaul, and it has very obvious safety defect to leave empty inadequately safely, and also do not accord with safety standard, can't adapt to special equipment's safe operation requirement.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an elevator car bottom structure with reduced space occupation.
The technical scheme adopted by the invention for solving the problems is as follows: including sedan-chair bottom structure and fixed frame, sedan-chair bottom structure is including the holding surface that supports the car, be provided with the connecting piece on the holding surface, the bottom fixed connection of connecting piece and car, fixed frame shaping is the structure of "Jiong" type to surround and set up at the top and the both sides limit of car, fixed frame's bottom fixed connection is on the sedan-chair bottom, and structure and fixed frame fixed connection form the structure and the fixed connection that surround the car at the bottom of the sedan-chair. The connecting piece plays spacing effect, helps the car location, and the position fixed frame of installation accuracy is for forming the restriction of four upper and lower left and right sides with the sedan-chair bottom structure is fixed, the protection car.
This device is a fixed knot constructs for elevator car bottom, play the support car, the effect of protection car, hold the car and fixed frame surrounds the car through setting up the sedan-chair bottom structure, the steady setting of structure has been improved, and improve support structure's focus through setting up this structure, the thickness at the bottom of the sedan-chair has been reduced, the safety space of elevator well has been increased, the security of elevator has been improved, the work risk has been reduced, and the structure is made the degree of difficulty and is low, the cost and the degree of difficulty of reduction in production, economic benefits has been improved, resources are saved.
Further, be provided with spacing frame on the holding surface of sedan-chair bottom structure, spacing frame sets up the edge at the bottom of car and side relatively, and spacing frame is fixed at the sedan-chair bottom structure to be connected with fixed frame through the pull rod, and form triangular fixed knot and construct, the bottom of spacing frame connection car, fixed frame connection car top and lateral part, form the fixed knot who surrounds the car and construct. The limit frame can be used as a connecting piece to form a supporting structure on the car platform structure, and the edge of the limit frame forms a limit structure, so that the car can be conveniently positioned and fixed, the limit frame supports the bottom surface of the whole car, the transverse length of the limit frame is longer, and the stability and the shape of the limit frame are improved through the triangular fixing structure.
Further, the sedan-chair bottom structure includes sedan-chair floorbar, wheel carrier, leading wheel and sedan-chair bottom mounting, the sedan-chair floorbar is straight beam structure, is provided with two or more leading wheels in the length direction of sedan-chair floorbar, and sedan-chair floorbar and wheel carrier side set up relatively, cross between the face that sedan-chair floorbar and wheel carrier are relative and set up the shaft, and the leading wheel cup joints on the shaft, and sedan-chair bottom mounting connects between sedan-chair floorbar and the face that the wheel carrier is relative and connect fixedly. The holistic thickness of sedan-chair end structure is little, in order to practice thrift the thickness at the bottom of the sedan-chair, most leading wheel diameter distance is located the sedan-chair end structure, only reserve the edge that needs work and be located the sedan-chair end structure outside, the thickness of sedan-chair end structure has significantly reduced, wheel carrier and sedan-chair sill separation set up, reserve safe clearance structure for the operation of leading wheel, and simultaneously, the degree of difficulty of girder processing has been reduced, because the thickness of the material of girder is high, the number of times of buckling is many, the number of times of upset is also institute, the tensile change of material is big, thereby cause the precision reduction of structure, and the number of times of buckling of the singleton of this structure is few, the processing degree of difficulty greatly reduced, and the precision improves, so economic.
Furthermore, the cross section of the car bottom beam is U-shaped, the edge of the upper part of the car bottom beam is transversely outwards turned to form a top edge, the upper surface of the top edge is formed into a fixing surface fixed with the limiting frame, and two ends of the car bottom beam are fixedly connected with the bottom of the fixing frame. The top edge of the car bottom beam is transversely formed, a fixing surface is formed and used for connecting the limiting frame, the forming rigidity of the car bottom beam is good, and the U-shaped structure is convenient to connect the fixing frame.
Further, the wheel carrier shaping has the side riser, and the top and the horizontal shaping in bottom of side riser have a top strake and an end strake, and top strake and end strake extend the setting to opposite direction, the top strake sets up and is in same height with the topside on sedan-chair sill top relatively, and the end strake is in same height with the bottom surface of sedan-chair sill, and the mounting is rectangular shape structure at the bottom of the sedan-chair to the shaping has the connector separately at both ends, and the connector is fixed connection respectively on the relative surface between wheel carrier and sedan-chair sill. The top strake of wheel carrier corresponds the shaping with the topside of sedan-chair floorbar and is the reference surface, supports limit frame jointly, and the space between wheel carrier and the sedan-chair floorbar supplies the leading wheel free rotation, in order to improve the intensity of structure, sets up the mounting at the bottom of the sedan-chair, and the mounting is rigid structure at the bottom of the sedan-chair for support corresponding space distance, prevent that the structure warp.
Further, the length of sedan-chair end mounting is greater than the thickness of leading wheel to correspond the setting with the wheel carrier and the distance between the sedan-chair floorbar, sedan-chair end mounting sets up in the length direction of sedan-chair floorbar interval and is connected with more than two, sedan-chair floorbar and wheel carrier are seted up relatively and are corresponded the multiunit shaft hole of leading wheel quantity, set up with one heart between every group shaft hole and wear to be equipped with the shaft. The shaft holes are arranged oppositely, so that the rotating shaft of the guide wheel is horizontally arranged, the stress of the passing traction rope is uniform, the stability in operation is good, and the traction rope is not easy to shake.
Furthermore, the car bottom beam is provided with a working hole on the other side edge relative to the shaft hole, the opening surface of the working hole corresponds to the position of the shaft hole, and the area of the opening surface is larger than that of the shaft hole. The outside of being convenient for from the sedan-chair floorbar during the effect of working hole touches inside, conveniently stretches into the instrument, plays convenient effect to the installation and the maintenance of pivot and other structures.
Further, spacing frame is rectangular shape structure to the shaping has the constant head tank, and two relative spacing frame symmetries set up, and the edge in the outside exceeds the shaping and is the spacing strip of side, and the interval is fixed with a plurality of snubber blocks on the constant head tank, and the upper surface of snubber block is fixed with the bottom of car. The effect of snubber block is the vibrations that reduce the car, improves the travelling comfort, and the snubber block equipartition sets up, shares the weight of structure.
Further, fixed frame is including crossbeam and perpendicular roof beam, and two perpendicular roof beams are connected respectively at the both ends of a crossbeam, and the bottom of two perpendicular roof beams is connected at the both ends of sedan-chair floorbar, forms complete frame type structure, the both ends of spacing frame are connected with the pull rod to the perpendicular roof beam slant that closes on respectively, and the pull rod is rigid material and for rectangular structure. The surface-to-surface contact is adopted between the structures of the fixed frame, the connection area is large, the connection tightness is good, the pull rod is of a rigid connection structure, a certain deformation preventing effect is achieved, and the strength is improved due to less shaking. .
Furthermore, the cross beam comprises two Contraband-shaped steels with opposite back surfaces, a head protector is sleeved at the end part of the cross beam, the end surface of the head protector is a plane, the vertical beam is a single Contraband-shaped steel, and the back plane of the vertical beam is correspondingly in contact connection with the plane of the head protector. The size of the connecting surface of the end part of the head protector is increased, so that the connecting strength is improved.
Compared with the prior art, the invention has the following advantages and effects: this device is a fixed knot constructs for elevator car bottom, play the support car, the effect of protection car, hold the car and fixed frame surrounds the car through setting up the sedan-chair bottom structure, the steady setting of structure has been improved, and improve support structure's focus through setting up this structure, the thickness at the bottom of the sedan-chair has been reduced, the safety space of elevator well has been increased, the security of elevator has been improved, the work risk has been reduced, and the structure is made the degree of difficulty and is low, the cost and the degree of difficulty of reduction in production, economic benefits has been improved, resources are saved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the platform structure.
In the figure: 1. the car bottom structure comprises a car bottom structure 2, a fixed frame 3, a limiting frame 4, a pull rod 5, a car bottom beam 6, a wheel carrier 7, a guide wheel 8, a wheel shaft 9, a top edge 11, a top edge strip 12, a working hole 13, a positioning groove 14, a damping block 15, a cross beam 16 and a vertical beam.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
The utility model provides a reduce elevator sedan-chair bottom structure that space occupy, includes sedan-chair bottom structure 1 and fixed frame 2, sedan-chair bottom structure 1 is including the holding surface that supports the car, be provided with the connecting piece on the holding surface, the bottom fixed connection of connecting piece and car, fixed frame 2 shaping is the structure of "Jiong" type to surround and set up at the top and the both sides limit of car, fixed frame 2's bottom fixed connection is on the sedan-chair bottom, and sedan-chair bottom structure 1 forms the structure and the fixed connection that surround the car with fixed frame 2 fixed connection.
Be provided with spacing frame 3 on sedan-chair bottom structure 1's the holding surface, spacing frame 3 sets up the edge in the bottom of car and side relatively, and spacing frame 3 is fixed on sedan-chair bottom structure 1 to be connected with fixed frame 2 through pull rod 4, and form triangular fixed knot and construct, the bottom of car is connected to spacing frame 3, and fixed frame 2 connects the top and the lateral part of car, forms the fixed knot who surrounds the car and constructs.
The sedan-chair bottom structure 1 includes sedan-chair floorbar 5, wheel carrier 6, leading wheel 7 and sedan-chair bottom mounting, sedan-chair floorbar 5 is straight beam structure, is provided with two or more leading wheels 7 on sedan-chair floorbar 5's length direction, and sedan-chair floorbar 5 and wheel carrier 6 side set up relatively, crosses between the face that sedan-chair floorbar 5 and wheel carrier 6 are relative and sets up shaft 8, and leading wheel 7 cup joints on shaft 8, and sedan-chair bottom mounting connects between the face that sedan-chair floorbar 5 and wheel carrier 6 are relative and connect fixedly.
The cross section of the bottom beam 5 is U-shaped, the upper edge of the U-shaped cross section is transversely outwards turned and formed with a top edge 9, the upper surface of the top edge 9 is formed into a fixing surface fixed with the limiting frame, and two ends of the bottom beam 5 are fixedly connected with the bottom of the fixing frame 2.
The wheel carrier 6 shaping has the side riser, and the top and the horizontal shaping in bottom of side riser have top edge strip 11 and end strake, and top edge strip 11 and end strake extend the setting to opposite direction, top edge strip 11 sets up and is at the same height with the topside 9 at sedan-chair floorbar 5 top relatively, and end strake and sedan-chair floorbar 5's bottom surface are at the same height, and the mounting is rectangular shape structure at the bottom of the sedan-chair to the shaping has the connector respectively at both ends, and the connector is fixed connection respectively on the relative surface between wheel carrier 6 and sedan-chair floorbar 5.
The length of sedan-chair end mounting is greater than the thickness of leading wheel 7 to correspond the setting with the wheel carrier 6 and the distance between the sedan-chair floorbar 5, sedan-chair end mounting interval sets up on the length direction of sedan-chair floorbar 5 and is connected with more than two, sedan-chair floorbar 5 and wheel carrier 6 are seted up the multiunit shaft hole that corresponds with leading wheel 7 quantity relatively, and concentric the setting is worn to be equipped with shaft 8 between every group shaft hole.
The car bottom beam 5 is provided with a working hole 12 on the other side edge relative to the shaft hole, the open surface of the working hole 12 corresponds to the position of the shaft hole, and the area of the open surface is larger than that of the shaft hole.
Fixed frame 2 is including crossbeam 15 and perpendicular roof beam 16, and two perpendicular roof beams 16 are connected respectively at the both ends of a crossbeam 15, and the bottom of two perpendicular roof beams 16 is connected at the both ends of sedan-chair floorbar 5, forms complete frame type structure, the both ends of spacing frame are connected with pull rod 4 to the perpendicular roof beam 16 slant that closes on respectively, and pull rod 4 is rigid material and for rectangular structure.
The beam 15 comprises two Contraband-shaped steels with opposite back surfaces, a head protector is sleeved at the end part of the beam, the end surface of the head protector is a plane, the vertical beam 16 is a single Contraband-shaped steel, and the back plane of the vertical beam is correspondingly in contact connection with the plane of the head protector.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a reduce elevator sedan-chair platform structure that space occupied, includes sedan-chair platform structure (1) and fixed frame (2), its characterized in that: sedan-chair bottom structure (1) is including the holding surface that supports the car, be provided with the connecting piece on the holding surface, the bottom fixed connection of connecting piece and car, fixed frame (2) shaping is the structure of "Jiong" type to surround the top and the both sides limit that set up at the car, the bottom fixed connection of fixed frame (2) is on the sedan-chair bottom, and sedan-chair bottom structure (1) and fixed frame (2) fixed connection form the structure and fixed connection that surround the car.
2. The elevator platform structure of claim 1, wherein the space occupied by the elevator platform structure is: be provided with spacing frame (3) on the holding surface of sedan-chair bottom structure (1), spacing frame (3) set up the edge in the bottom of car and side relatively, and spacing frame (3) are fixed on sedan-chair bottom structure (1) to be connected with fixed frame (2) through pull rod (4), and form triangular fixed knot and construct, the bottom of car is connected in spacing frame (3), and the top and the lateral part of car are connected in fixed frame (2), form the fixed knot who surrounds the car and construct.
3. The elevator platform structure of claim 2, wherein the space occupied by the elevator platform structure is: sedan-chair sill structure (1) is including sedan-chair floorbar (5), wheel carrier (6), leading wheel (7) and sedan-chair bottom mounting, sedan-chair floorbar (5) are straight beam structure, are provided with two or more leading wheels (7) on the length direction of sedan-chair floorbar (5), and sedan-chair floorbar (5) and wheel carrier (6) side set up relatively, cross between the face that sedan-chair floorbar (5) and wheel carrier (6) are relative and set up shaft (8), and leading wheel (7) cup joint on shaft (8), and sedan-chair bottom mounting is connected between the face that sedan-chair floorbar (5) and wheel carrier (6) are relative and is connected fixedly.
4. The elevator platform structure of claim 3, wherein the space occupied by the elevator platform structure is as follows: the cross section of the car bottom beam (5) is U-shaped, the upper edge of the car bottom beam is transversely outwards folded to form a top edge (9), the upper surface of the top edge (9) is formed into a fixing surface fixed with the limiting frame, and two ends of the car bottom beam (5) are fixedly connected with the bottom of the fixing frame (2).
5. The elevator platform structure of claim 4, wherein the space occupied by the cage platform is as follows: wheel carrier (6) shaping has the side riser, and the top and the horizontal shaping in bottom of side riser have top strake (11) and end strake, to opposite direction extension setting, top strake (11) set up and are at same height with topside (9) at sedan-chair floorbar (5) top relatively, and the end strake is at same height with the bottom surface of sedan-chair floorbar (5), and the mounting is rectangular shape structure at the bottom of the sedan-chair to the shaping has the connector separately at both ends, and the connector is fixed connection respectively on the relative surface between wheel carrier (6) and sedan-chair floorbar (5).
6. The elevator platform structure of claim 3, wherein the space occupied by the elevator platform structure is as follows: the length of sedan-chair end mounting is greater than the thickness of leading wheel (7) to correspond the setting with wheel carrier (6) and the distance between sedan-chair floorbar (5), sedan-chair end mounting sets up in the length direction of sedan-chair floorbar (5) at an interval and is connected with more than two, sedan-chair floorbar (5) and wheel carrier (6) are seted up the multiunit shaft hole that corresponds with leading wheel (7) quantity relatively, and axle (8) are worn to be equipped with to set up with one heart between every group shaft hole.
7. The elevator platform structure of claim 6, wherein the space occupied by the cage platform is as follows: the car bottom beam (5) is provided with a working hole (12) on the other side relative to the shaft hole, the open surface of the working hole (12) corresponds to the position of the shaft hole, and the area of the open surface is larger than that of the shaft hole.
8. The elevator platform structure of claim 2, wherein the space occupied by the elevator platform structure is: spacing frame (3) are rectangular shape structure to the shaping has constant head tank (13), and two relative spacing frame (3) symmetries set up, and the edge in the outside exceeds the shaping and is the spacing strip of side, and the interval is fixed with a plurality of snubber blocks (14) on constant head tank (13), and the upper surface of snubber block (14) is fixed with the bottom of car.
9. The elevator platform structure of claim 8, wherein the space occupied by the elevator platform structure is selected from the group consisting of: fixed frame (2) are including crossbeam (15) and perpendicular roof beam (16), and two are erected roof beam (16) and connect respectively at the both ends of a crossbeam (15), and the both ends at sedan-chair floorbar (5) are connected to the bottom of two perpendicular roof beams (16), form complete frame type structure, the both ends of spacing frame are connected with pull rod (4) to perpendicular roof beam (16) slant that closes on respectively, and pull rod (4) are rigid material and for rectangular structure.
10. The elevator platform structure of claim 9, wherein the space occupied by the elevator platform structure is: the beam (15) comprises two Contraband-shaped steels with opposite back surfaces, a head protector is sleeved at the end part of the beam, the end surface of the head protector is a plane, the vertical beam (16) is a single Contraband-shaped steel, and the back plane of the vertical beam is correspondingly in contact connection with the plane of the head protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179021.3A CN110980479A (en) | 2019-11-27 | 2019-11-27 | Elevator car bottom structure capable of reducing space occupation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179021.3A CN110980479A (en) | 2019-11-27 | 2019-11-27 | Elevator car bottom structure capable of reducing space occupation |
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| Publication Number | Publication Date |
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| CN110980479A true CN110980479A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911179021.3A Pending CN110980479A (en) | 2019-11-27 | 2019-11-27 | Elevator car bottom structure capable of reducing space occupation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285282A (en) * | 2007-05-17 | 2008-11-27 | Mitsubishi Electric Corp | Car of elevator |
| CN201309788Y (en) * | 2008-10-24 | 2009-09-16 | 宁波宏大电梯有限公司 | Elevator car frame structure |
| CN204958064U (en) * | 2015-07-31 | 2016-01-13 | 西继迅达（许昌）电梯有限公司 | Elevator car frame |
| US20160159615A1 (en) * | 2013-08-02 | 2016-06-09 | Mitsubishi Electric Corporation | Underslung elevator |
| CN206014151U (en) * | 2016-08-21 | 2017-03-15 | 苏州施耐德电梯有限公司 | Hoistway villa elevator |
| CN211769654U (en) * | 2019-11-27 | 2020-10-27 | 沃克斯迅达电梯有限公司 | Elevator car bottom structure capable of reducing space occupation |
-
2019
- 2019-11-27 CN CN201911179021.3A patent/CN110980479A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285282A (en) * | 2007-05-17 | 2008-11-27 | Mitsubishi Electric Corp | Car of elevator |
| CN201309788Y (en) * | 2008-10-24 | 2009-09-16 | 宁波宏大电梯有限公司 | Elevator car frame structure |
| US20160159615A1 (en) * | 2013-08-02 | 2016-06-09 | Mitsubishi Electric Corporation | Underslung elevator |
| CN204958064U (en) * | 2015-07-31 | 2016-01-13 | 西继迅达（许昌）电梯有限公司 | Elevator car frame |
| CN206014151U (en) * | 2016-08-21 | 2017-03-15 | 苏州施耐德电梯有限公司 | Hoistway villa elevator |
| CN211769654U (en) * | 2019-11-27 | 2020-10-27 | 沃克斯迅达电梯有限公司 | Elevator car bottom structure capable of reducing space occupation |
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