CN107416651B - Compact knapsack frame sedan-chair collet of integrated multifunctional part - Google Patents
Compact knapsack frame sedan-chair collet of integrated multifunctional part Download PDFInfo
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- CN107416651B CN107416651B CN201710705453.8A CN201710705453A CN107416651B CN 107416651 B CN107416651 B CN 107416651B CN 201710705453 A CN201710705453 A CN 201710705453A CN 107416651 B CN107416651 B CN 107416651B
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- vertical portion
- safety tongs
- collet
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- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 13
- 230000004308 accommodation Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005728 strengthening Methods 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The utility model provides an integrated multifunctional part's compact knapsack frame sedan-chair collet, includes the sedan-chair collet, the sedan-chair collet includes two main crossbeams and two curb girders, the outside of one of them curb girder still is equipped with two connecting plates that are used for linking to each other with the straight girder, two connecting plates are relatively built-in the inboard of two main crossbeams, its characterized in that: the safety tongs comprise a main beam, a connecting plate and a safety tongs assembly, wherein the safety tongs assembly comprises two safety tongs, a linkage mechanism positioned on the inner side of the safety tongs and a pull rod, the two safety tongs are relatively arranged at the lower ends of the two connecting plates in a built-in mode, a first accommodating space is formed between the bottom of a side beam positioned on the same side of the connecting plate and the inner sides of the two main beams, and the linkage mechanism is transversely arranged between the two main beams and is completely hidden in the first accommodating space. The compact knapsack frame sedan-chair collet of this integrated multifunctional component compact structure, simple to operate.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a compact knapsack frame car collet integrating multifunctional components.
Background
The Chinese patent with the publication number of CN206203634U discloses a novel knapsack type villa ladder car frame, the structure of which is shown in figure 1, the car frame is provided with three functional components, namely a safety gear 1a, a linkage mechanism 2a and a pull rod 3a, on a straight beam 4a, so that the whole car frame is not compact enough in structure and large in occupied space, the three functional components can be arranged on the straight beam 4a only after the straight beam 4a is adjusted in perpendicularity and fixed, namely the three functional components, namely the safety gear 1a, the linkage mechanism 2a and the pull rod 3a, are required to be arranged on site, and the installation is inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problems that: the compact knapsack frame car collet is compact in structure and convenient to install, and integrates multifunctional components.
The technical scheme of the utility model is as follows: the utility model provides an integrated multifunctional parts's compact knapsack frame sedan-chair collet, includes the sedan-chair collet, the sedan-chair collet includes two main crossbeams that the interval set up around and two curb girders that are used for connecting two main crossbeams that the interval set up about, the outside of one of them curb girder still is equipped with two connecting plates that are used for linking to each other with the straight girder, two connecting plates are built-in the inboard of two main crossbeams relatively, its characterized in that: the safety tongs comprise a safety tongs assembly, and are characterized by further comprising the safety tongs assembly, a linkage mechanism located on the inner side of the safety tongs and a pull rod, wherein the two safety tongs are relatively arranged at the lower ends of two connecting plates, a first accommodating space is formed between the bottom of a side beam located on the same side of the connecting plates and the inner sides of two main cross beams, the linkage mechanism is transversely arranged between the two main cross beams and is completely hidden in the first accommodating space, the middle part of the pull rod is movably connected on the outer side of the connecting plate on one side of the linkage mechanism, the lower end of the pull rod is connected with one end of the linkage mechanism, and the linkage mechanism is further connected with the two safety tongs respectively.
After the structure is adopted, the utility model has the following advantages:
the compact knapsack frame car collet integrating the multifunctional components is characterized in that the safety tongs are arranged in the connecting plate, the linkage mechanism is arranged in the first accommodating space formed by the side beams and the two main cross beams, and the pull rods are arranged on the outer sides of the connecting plate, so that the three functional components of the safety tongs assembly are reasonably distributed, are compact in structure and are almost hidden in the car collet, the whole size of the car collet is not greatly influenced, and the requirement on the well space is low; and the safety tongs assembly is fully installed on the car collet, so that the safety tongs assembly and the car collet can be integrally installed before leaving the factory, and the installation is more convenient without on-site installation.
Preferably, a second accommodating space is formed between the bottom of the side beam far away from one side of the connecting plate and the inner sides of the two main cross beams, and the elevator car comprises two elevator car bottom wheels which are arranged on the central axis of the elevator car bottom brackets, wherein the two elevator car bottom wheels are respectively arranged on the outer sides of the two side beams and are respectively partially hidden in the first accommodating space and the second accommodating space, and the elevator car bottom wheels positioned on the same side of the connecting plate are arranged between the connecting plate and the linkage mechanism. This setting can be convenient also integrate sedan-chair return pulley functional part on the sedan-chair collet, and can hide sedan-chair return pulley, and the structure is compacter.
Preferably, the elevator car bottom wheel mounting device further comprises two supports for mounting the elevator car bottom wheels, a plurality of hollows are formed in the bottoms of the supports, the elevator car bottom wheels are mounted in the supports, and the wheel shafts of the elevator car bottom wheels are located at the hollows respectively. The traction belt wound on the car bottom wheel can be limited by two adjacent wheel beams left and right and can be limited by the bottom of the car bottom wheel and the bottom of the bracket up and down, so that the traction belt wound on the car bottom wheel cannot be separated, and the elevator is more reliable and safer in operation.
Preferably, the side beam on the same side of the connecting plate comprises a first horizontal part and a first vertical part, the inner end of the first horizontal part is connected with the top end of the first vertical part, a first accommodating space is formed among the first horizontal part, the first vertical part and the inner sides of the two main cross beams, the side beam far away from one side of the connecting plate comprises a second horizontal part and a second vertical part, the inner end of the second horizontal part is connected with the top end of the second vertical part, and a second accommodating space is formed among the second horizontal part, the second vertical part and the inner sides of the two main cross beams. This arrangement can conveniently form first accommodation space and second accommodation space, and forms certain protection to the part of installing in first accommodation space and second accommodation space.
Preferably, the two brackets are provided on lower surfaces of the first horizontal portion and the second horizontal portion of the two side members, respectively. The arrangement can make the installation structure of the car bottom wheel more compact.
Preferably, a through hole for the linkage mechanism to transversely pass through is further formed in the bottom of the bracket. The device not only makes the structure more compact, but also can make the motion of the linkage mechanism have a certain guide, and the operation is more stable and reliable.
Preferably, the side beam at the same side of the connecting plate further comprises a third vertical portion, the bottom end of the third vertical portion is connected with the outer end of the first horizontal portion, the side beam at one side far away from the connecting plate further comprises a fourth vertical portion, the bottom end of the fourth vertical portion is connected with the outer end of the second horizontal portion, and guide pulleys for guiding the traction belt to the car bottom wheels are further arranged on the outer side walls of the third vertical portion and the fourth vertical portion. The device can accurately introduce the traction belt onto the car bottom wheel by using the guide pulley, so that the traction belt is stably and reliably matched with the car bottom wheel, and the guide pulley is convenient to install.
Preferably, the connecting plate is Z-shaped. After the Z-shaped connecting plate is adopted, the corresponding straight beam is also Z-shaped, compared with the existing U-shaped connecting plate, the space at two sides is not blocked, the installation space is increased, the installation of the safety tongs is more convenient to install with the straight beam, and the safety tongs are convenient to install on the safety tongs; the increase of the installation space and the reduction of the installation difficulty also reduce the requirement on the processing precision of the connecting plate.
Preferably, a reinforcing rib is further arranged between the side beam positioned on the same side of the connecting plate and the connecting plate. This arrangement can strengthen the overall structure.
Preferably, the reinforcing rib is Z-shaped and comprises a fifth vertical portion and a sixth vertical portion which are vertically arranged, and a third horizontal portion for connecting the bottom of the fifth vertical portion and the top of the sixth vertical portion, wherein the fifth vertical portion extends outwards to the back surface of the connecting plate and is welded with the back surface of the connecting plate, the third horizontal portion and the sixth vertical portion extend inwards to the lower surface of the first horizontal portion of the side beam, and the third horizontal portion is welded with the first horizontal portion. The arrangement ensures that the connection between the reinforcing rib and the side beam and the connection plate is more convenient and reliable.
Drawings
Fig. 1 is a schematic structural view of a prior art backpack type villa ladder car frame;
fig. 2 is a first view structural schematic diagram of a compact backpack frame car shoe of the integrated multi-functional component of the present utility model;
fig. 3 is a second view structural schematic diagram of the compact backpack frame car shoe of the integrated multi-functional component of the present utility model;
fig. 4 is a schematic view of a third view of the compact backpack frame car shoe of the integrated multi-functional component of the present utility model;
fig. 5 is a fourth view structural schematic diagram of a compact backpack frame car shoe of the integrated multi-functional component of the present utility model;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic view of the locations between the reinforcing bars and the connecting plates and side members of the present utility model;
in the prior art diagram: 1 a-safety tongs, 2 a-linkage, 3 a-pull rod and 4 a-straight beam;
in the drawings of the utility model: 1-car bottom bracket, 2-main beam, 3-side beam, 4-connecting plate, 5-safety tongs, 6-linkage mechanism, 7-pull rod, 8-first accommodation space, 9-first horizontal part, 10-first vertical part, 11-second horizontal part, 12-second vertical part, 13-second accommodation space, 14-car bottom wheel, 15-support, 16-fretwork, 17-wheel beam, 18-through hole, 19-third vertical portion, 20-fourth vertical portion, 21-strengthening rib, 22-fifth vertical portion, 23-sixth vertical portion, 24-third horizontal portion, 25-band guide.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, in conjunction with examples.
Examples:
the utility model provides an integrated multifunctional parts's compact knapsack frame sedan-chair collet 1, includes sedan-chair collet 1, sedan-chair collet 1 includes two main crossbeams 2 that the interval set up around and two curb girders 3 that are used for connecting two main crossbeams 2 that the interval set up about, the outside of one of them curb girder 3 still is equipped with two connecting plates 4 that are used for linking to each other with the straight girder, two connecting plates 4 relatively built-in the inboard of two main crossbeams 2 still include the safety tongs subassembly, the safety tongs subassembly includes two safety tongs 5, a link gear 6 that is located the inboard of safety tongs 5 and a pull rod 7, two safety tongs 5 relatively built-in the lower extreme of two connecting plates 4, form a first accommodation space 8 between the bottom of the curb girder 3 that is located the same one side of connecting piece board 4 and the inboard of two main crossbeams 2, the link gear 6 is transversely installed between two main crossbeams 2 and all hide in first accommodation space 8, the middle part upper and lower swing joint of pull rod is in the inboard of connecting plates 4 of one of them, link gear 7 links to each other with two link gear 6 respectively, link gear 6 and two link gear's 5 link gear's one end respectively.
The compact knapsack frame car collet integrating the multifunctional components is characterized in that the safety tongs 5 are arranged in the connecting plate 4, the linkage mechanism 6 is arranged in the first accommodating space 8 formed by the side beams 3 and the two main cross beams 2, and the pull rods 7 are arranged on the outer sides of the connecting plate 4, so that the three functional components of the safety tongs assembly are reasonably distributed, compact in structure and almost hidden in the car collet 1, the whole size of the car collet 1 is not greatly influenced, and the requirement on the well space is low; and all the safety tongs assemblies are arranged on the car collet 1, so that the safety tongs assemblies and the car collet 1 can be integrally arranged before leaving the factory, and the safety tongs assemblies are not required to be arranged on site, so that the installation is more convenient.
Preferably, a second accommodating space 13 is formed between the bottom of the side beam 3 far away from the connecting plate 4 and the inner sides of the two main beams 2, and two elevator car bottom wheels 14 are further included, wherein the elevator car bottom wheels 14 are arranged on the central axis of the elevator car bottom bracket 1, the elevator car bottom wheels 14 are respectively arranged on the outer sides of the two side beams 3 and are respectively partially hidden in the first accommodating space 8 and the second accommodating space 13, the two elevator car bottom wheels 14 are not partially hidden in the first accommodating space 8 and the second accommodating space 13 so that a traction belt can be wound on the elevator car bottom wheels 14, and the elevator car bottom wheels 14 positioned on the same side of the connecting plate 4 are arranged between the connecting plate 4 and the linkage mechanism 6. The arrangement can facilitate the integration of the functional components of the bottom wheel 14 on the car bottom bracket 1, and can hide the bottom wheel 14, so that the structure is more compact.
Preferably, the elevator car bottom wheel mounting device further comprises two brackets 15 for mounting the elevator car bottom wheel 14, a plurality of hollows 16 are formed in the bottom of the brackets 15, the elevator car bottom wheel 14 is mounted in the brackets 15, and the wheel shafts 17 of the elevator car bottom wheel 14 are respectively located at the hollows 16. The arrangement can ensure that the traction belt wound on the car bottom wheel 14 can be limited by the left and right of the two adjacent wheel beams 17 and can be limited by the bottom of the car bottom wheel 14 and the bracket 15 up and down, thereby ensuring that the traction belt wound on the car bottom wheel 14 can not be separated, and the running of the elevator is more reliable and safer.
Preferably, the side beam 3 on the same side of the connecting plate 4 includes a first horizontal portion 9 and a first vertical portion 10, an inner end of the first horizontal portion 9 is connected with a top end of the first vertical portion 10, a first accommodating space 8 is formed between the first horizontal portion 9, the first vertical portion 10 and inner sides of the two main cross beams 2 of the side beam 3, the side beam 3 on a side far away from the connecting plate 4 includes a second horizontal portion 11 and a second vertical portion 12, an inner end of the second horizontal portion 11 is connected with a top end of the second vertical portion 12, and a second accommodating space 13 is formed between the second horizontal portion 11, the second vertical portion 12 of the side beam 3 and inner sides of the two main cross beams 2. This arrangement can facilitate the formation of the first accommodation space 8 and the second accommodation space 13, and provide a certain protection for the functional components installed in the first accommodation space 8 and the second accommodation space 13.
Preferably, the two brackets 15 are provided on the lower surfaces of the first horizontal portion 9 and the second horizontal portion 11 of the two side members 3, respectively. This arrangement makes the mounting structure of the car bottom wheel 14 more compact.
Preferably, the bottom of the bracket 15 is further provided with a through hole 18 for the linkage mechanism 6 to transversely pass through, and the through hole 18 may be semicircular. The arrangement not only makes the structure more compact, but also can make the movement of the linkage mechanism 6 have a certain guide, and the operation is more stable and reliable.
Preferably, the side beam 3 on the same side of the connecting plate 4 further includes a third vertical portion 19, a bottom end of the third vertical portion 19 is connected with an outer end of the first horizontal portion 9, the side beam 3 on a side far away from the connecting plate 4 further includes a fourth vertical portion 20, a bottom end of the fourth vertical portion 20 is connected with an outer end of the second horizontal portion 11, and a guide belt wheel 25 for guiding the traction belt onto the car bottom wheel 14 is further disposed on an outer side wall of the third vertical portion 19 and an outer side wall of the fourth vertical portion 20, and the guide belt wheel 25 is in the prior art. The traction belt can be accurately led into the car bottom wheel 14 by the guide pulley 25, so that the traction belt is stably and reliably matched with the car bottom wheel 14, and the guide pulley 25 is convenient to install.
Preferably, the connection plate 4 is Z-shaped. After the Z-shaped connecting plate 4 is adopted, the corresponding straight beam is also Z-shaped, compared with the existing U-shaped connecting plate 4, the space at two sides is not blocked, the installation space is increased, the installation of the safety tongs 5 is more convenient, and the safety tongs 5 can be conveniently installed on the safety tongs; the increase of the installation space and the reduction of the installation difficulty also reduce the requirement on the machining precision of the connecting plate 4.
Preferably, a reinforcing rib 21 is further arranged between the side beam 3 and the connecting plate 4, which are positioned on the same side of the connecting plate 4. This arrangement can strengthen the overall structure.
Preferably, the reinforcing rib 21 is Z-shaped, and includes a fifth vertical portion 22 and a sixth vertical portion 23 disposed up and down, and a third horizontal portion 24 for connecting the bottom of the fifth vertical portion 22 and the top of the sixth vertical portion 23, the fifth vertical portion 22 extending outward to the rear surface of the connecting plate 4 and being welded to the rear surface of the connecting plate 4, the third horizontal portion 24 and the sixth vertical portion 23 extending inward to the lower surface of the first horizontal portion 9 of the side member 3, and the third horizontal portion 24 being welded to the first horizontal portion 9. This arrangement makes the connection of the reinforcing rib 21 to the side member 3 and the connecting plate 4 more reliable.
Claims (9)
1. The utility model provides an integrated multifunctional parts's compact knapsack frame sedan-chair collet, includes sedan-chair collet (1), sedan-chair collet (1) are including two main crossbeams (2) that the interval set up around and two curb girders (3) that are used for connecting two main crossbeams (2) that the interval set up about, the outside of one of them curb girder (3) still is equipped with two connecting plates (4) that are used for linking to each other with the straight girder, the inboard at two main crossbeams (2) is relatively built-in to two connecting plates (4), its characterized in that:
the safety tongs comprise two safety tongs (5), a linkage mechanism (6) positioned on the inner side of the safety tongs (5) and a pull rod (7), wherein the two safety tongs (5) are relatively arranged at the lower ends of the two connecting plates (4), a first accommodating space (8) is formed between the bottom of a side beam (3) positioned on the same side of the connecting plates (4) and the inner sides of the two main cross beams (2), the linkage mechanism (6) is transversely arranged between the two main cross beams (2) and is totally hidden in the first accommodating space (8), the middle part of the pull rod (7) is vertically movably connected on the outer side of the connecting plate (4) on one side, the lower end of the pull rod (7) is connected with one end of the linkage mechanism (6), and the linkage mechanism (6) is also respectively connected with the two safety tongs (5);
a second accommodating space (13) is formed between the bottom of the side beam (3) on one side far away from the connecting plate (4) and the inner sides of the two main cross beams (2), the elevator car bottom wheels (14) are arranged on the central axis of the elevator car bottom bracket (1) in an inner mode, the two elevator car bottom wheels (14) are respectively arranged on the outer sides of the two side beams (3), and are respectively partially hidden in the first accommodating space (8) and the second accommodating space (13), and the elevator car bottom wheels (14) on the same side of the connecting plate (4) are arranged between the connecting plate (4) and the linkage mechanism (6).
2. A multi-functional component integrated compact backpack frame car shoe as set forth in claim 1 wherein: the elevator car bottom wheel is characterized by further comprising two brackets (15) used for installing the car bottom wheel (14), wherein a plurality of hollows (16) are formed in the bottom of the brackets (15), the car bottom wheel (14) is installed in the brackets (15), and each wheel beam (17) of the car bottom wheel (14) is located at each hollow (16) respectively.
3. A multi-functional component integrated compact backpack frame car shoe according to claim 2 wherein: the side beam (3) located on the same side of the connecting plate (4) comprises a first horizontal part (9) and a first vertical part (10), the inner end of the first horizontal part (9) is connected with the top end of the first vertical part (10), a first accommodating space (8) is formed between the inner sides of the first horizontal part (9), the first vertical part (10) and the two main cross beams (2) of the side beam (3), the side beam (3) far away from one side of the connecting plate (4) comprises a second horizontal part (11) and a second vertical part (12), the inner end of the second horizontal part (11) is connected with the top end of the second vertical part (12), and a second accommodating space (13) is formed between the second horizontal part (11), the second vertical part (12) and the inner sides of the two main cross beams (2).
4. A multi-functional component integrated compact backpack frame car shoe according to claim 3 wherein: the two brackets (15) are respectively arranged on the lower surfaces of the first horizontal part (9) and the second horizontal part (11) of the two side beams (3).
5. The integrated multi-functional component compact backpack frame car shoe of claim 4, wherein: the bottom of the bracket (15) is also provided with a through hole (18) which enables the linkage mechanism (6) to transversely pass through.
6. The integrated multi-functional component compact backpack frame car shoe of claim 4, wherein: the side beam (3) located on the same side of the connecting plate (4) further comprises a third vertical portion (19), the bottom end of the third vertical portion (19) is connected with the outer end of the first horizontal portion (9), the side beam (3) far away from one side of the connecting plate (4) further comprises a fourth vertical portion (20), the bottom end of the fourth vertical portion (20) is connected with the outer end of the second horizontal portion (11), and guide pulleys for guiding traction belts to the car bottom wheels (14) are further arranged on the outer side walls of the third vertical portion (19) and the fourth vertical portion (20).
7. A multi-functional component integrated compact backpack frame car shoe as set forth in claim 1 wherein: the connecting plate (4) is Z-shaped.
8. A multi-functional component integrated compact backpack frame car shoe as set forth in claim 1 wherein: reinforcing ribs (21) are further arranged between the side beams (3) positioned on the same side of the connecting plate (4) and the connecting plate (4).
9. The integrated multi-functional component compact backpack frame car shoe of claim 8, wherein: the reinforcing rib (21) is Z-shaped and comprises a fifth vertical portion (22) and a sixth vertical portion (23) which are arranged up and down, and a third horizontal portion (24) used for connecting the bottom of the fifth vertical portion (22) and the top of the sixth vertical portion (23), wherein the fifth vertical portion (22) extends outwards to the back of the connecting plate (4) and is welded with the back of the connecting plate (4), the third horizontal portion (24) and the sixth vertical portion (23) extend inwards to the lower surface of the first horizontal portion (9) of the side beam (3), and the third horizontal portion (24) is welded with the first horizontal portion (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705453.8A CN107416651B (en) | 2017-08-17 | 2017-08-17 | Compact knapsack frame sedan-chair collet of integrated multifunctional part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705453.8A CN107416651B (en) | 2017-08-17 | 2017-08-17 | Compact knapsack frame sedan-chair collet of integrated multifunctional part |
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| Publication Number | Publication Date |
|---|---|
| CN107416651A CN107416651A (en) | 2017-12-01 |
| CN107416651B true CN107416651B (en) | 2023-07-07 |
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| CN201710705453.8A Active CN107416651B (en) | 2017-08-17 | 2017-08-17 | Compact knapsack frame sedan-chair collet of integrated multifunctional part |
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| CN108750884A (en) * | 2018-07-06 | 2018-11-06 | 宁波宏大电梯有限公司 | A kind of car floor bracket assembly |
| CN108750864A (en) * | 2018-07-06 | 2018-11-06 | 宁波宏大电梯有限公司 | A kind of steel band type elevator |
| CN108861952A (en) * | 2018-07-06 | 2018-11-23 | 宁波宏大电梯有限公司 | A kind of rail brackets component |
| CN108861977B (en) * | 2018-07-06 | 2024-03-19 | 宁波宏大电梯有限公司 | Knapsack formula elevator sedan-chair frame |
| US20220227602A1 (en) * | 2019-04-19 | 2022-07-21 | Hitachi, Ltd. | Elevator passenger car and elevator having same car |
| CN110104528A (en) * | 2019-04-23 | 2019-08-09 | 菱王电梯股份有限公司 | Integral type dual-gripper lower beam component of elevator car |
| CN111439654B (en) * | 2020-05-15 | 2023-07-28 | 巨龙电梯有限公司 | Novel high-load elevator car frame |
| CN114148865A (en) * | 2021-12-16 | 2022-03-08 | 杭州奥立达电梯有限公司 | Integrated form collet sedan-chair frame equipment of high-efficient overall arrangement |
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| CN107416651A (en) | 2017-12-01 |
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Denomination of invention: A compact backpack rack with integrated multifunctional components and car bottom support Granted publication date: 20230707 Pledgee: Ningbo Yinzhou Rural Commercial Bank Co.,Ltd. Dongwu sub branch Pledgor: NINGBO GAINOO BUILDING EQUIPMENT CO.,LTD. Registration number: Y2024980045146 |