CN220116007U - Hoisting device for elevator car - Google Patents
Hoisting device for elevator car Download PDFInfo
- Publication number
- CN220116007U CN220116007U CN202320181983.8U CN202320181983U CN220116007U CN 220116007 U CN220116007 U CN 220116007U CN 202320181983 U CN202320181983 U CN 202320181983U CN 220116007 U CN220116007 U CN 220116007U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- buffer
- elevator
- elevator car
- winding mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000872 buffer Substances 0.000 claims abstract description 94
- 238000004804 winding Methods 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000013016 damping Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a lifting device of an elevator car, which comprises an elevator shaft, a winding mechanism and the elevator car, wherein the winding mechanism is fixedly connected to the top of the elevator shaft, the lower end of the winding mechanism is connected with the top surface of the elevator car, and the elevator car is arranged in the elevator shaft; the winding mechanism comprises a first winding mechanism and a second winding mechanism, and the first winding mechanism is arranged on the top surface of the elevator shaft; the second winding mechanism is arranged on the top surface of the elevator car and is fixedly connected with the top surface of the elevator car through a pulley, and the pulley is fixedly connected with the top surface of the elevator shaft; the lower end of the elevator shaft is provided with a mounting groove which is symmetrically arranged relative to the vertical plane where the symmetry line of the elevator shaft is positioned, and a first buffer mechanism is arranged in the mounting groove; and a second buffer mechanism is arranged between the mounting grooves and is fixedly connected with the bottom surface of the elevator shaft. According to the multi-line hoisting device, multi-line hoisting is performed, the installability is improved, the multi-layer buffer mechanism is arranged, the buffer performance is improved, and the compressive strength is improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical hoisting of elevators. In particular to a lifting device of an elevator car.
Background
The elevator is a permanent transportation device serving a plurality of specific floors in a building, wherein a car runs on at least two rows of rigid rail motion vertical to a horizontal plane or inclined at an angle smaller than fifteen degrees with a plumb line, the elevator also has steps, a step plate is arranged on a track to continuously run, commonly called an escalator or a moving walk, is a fixed lifting device serving the specified floors, a buffer device of the elevator is a final barrier of elevator safety, and when the elevator runs out of control and hits a pit, the buffer device can absorb or consume the impact energy of the elevator in descending, so that the car is decelerated and buffered and stopped on a buffer, but the existing elevator is usually only provided with a buffer at the pit of the pit, the buffer effect is poor, the compressive strength is low, and the requirement of current people on the product cannot be met far. And the existing lifting device for installing the elevator and installing the car is usually lifted by a single wire, so that the use safety performance is poor.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a lifting device for an elevator car, which is used for carrying out multi-line lifting, improving the installability, and meanwhile, a multi-layer buffer mechanism is arranged, so that the buffer performance and the compressive strength are improved.
The aim of the utility model is realized by the following technical scheme: the lifting device of the elevator car comprises an elevator shaft, a winding mechanism and the elevator car, wherein the winding mechanism is fixedly connected to the top of the elevator shaft, the lower end of the winding mechanism penetrates through the top surface of the elevator shaft and is fixedly connected with the top surface of the elevator car, and the elevator car is arranged in the elevator shaft; the winding mechanism comprises a first winding mechanism and a second winding mechanism, the first winding mechanism is arranged in a first mounting seat, and the bottom surface of the first mounting seat is fixedly connected with the top surface of the elevator shaft; the second winding mechanism is arranged in a second mounting seat, the second mounting seat is fixedly connected with the top surface of the elevator car, the second winding mechanism is fixedly connected with the top surface of the elevator car through a pulley, the pulley is fixedly connected with the top surface of the elevator shaft, and the pulley is arranged in the elevator shaft; the lower end of the elevator shaft is provided with a mounting groove which is symmetrically arranged relative to the vertical surface where the symmetry line of the elevator shaft is located, and a first buffer mechanism is arranged in the mounting groove; and a second buffer mechanism is arranged between the mounting grooves and is fixedly connected with the bottom surface of the elevator shaft.
Through the scheme, the first winding mechanism and the second winding mechanism hoist the elevator car in a multi-line manner, so that the safety performance is improved; the first buffer mechanism and the second buffer mechanism perform multiple buffering, so that the compressive strength is improved, and the buffering effect is ensured.
Preferably, the first winding mechanism comprises a first motor, the first motor is fixedly connected with the top surface of the first mounting seat, the output end of the first motor is fixedly connected with a first driving shaft, and the first driving shaft is meshed with a first driven shaft through a first chain belt; one end of the first driven shaft penetrates through the first mounting seat and is fixedly connected with the scroll, the side wall of the first mounting seat is rotationally connected, and the other end of the scroll is rotationally connected with the inner wall of the first mounting seat; the first steel cable is wound on the reel, and one end of the first steel cable penetrates through the elevator shaft and is fixedly connected with the side wall of the elevator car; and a second winding mechanism is arranged on one side of the first steel cable.
Through the scheme, the first motor drives the rotating shaft to rotate, and the first steel rope is controlled to lift or descend the elevator car.
Preferably, the second winding mechanism comprises a second motor, the output end of the second motor is fixedly connected with a second driving shaft, the second driving shaft is meshed with a second driven shaft through a second chain belt, one end of the second driven shaft penetrates through the second mounting seat and is fixedly connected with a reel, and the other end of the reel is rotationally connected with the second mounting seat; the upper end of the scroll is respectively wound with a second steel rope and a third steel rope, one ends of the second steel rope and the third steel rope are respectively penetrated through the pulleys and fixedly connected with the top surface of the elevator car, and the second steel rope and the third steel rope are arranged in parallel; the first steel rope, the second steel rope and the third steel rope form a triangle.
Through the scheme, the second motor drives the rotating shaft to rotate, the second steel cable and the third steel cable are controlled to lift or descend the elevator car, and a triangle is formed among the first steel cable, the second steel cable and the third steel cable, so that the elevator car is ensured to stably run.
Preferably, the first buffer mechanism comprises a connecting block, the bottom surface of the connecting block is connected with a damping rod, the lower end of the damping rod is fixedly connected with a first buffer, and the bottom surface of the first buffer is fixedly connected with the bottom surface of the mounting groove; an L-shaped bearing pad is fixedly connected to one end, close to the middle part of the elevator shaft, of the connecting block, and an anti-slip pad is fixedly connected to the upper surface of the bearing pad; and a second buffer mechanism is arranged right below the bearing pad.
Through the scheme, when the elevator car falls, the bearing pad bears, and the first buffer and the like are used for buffering, so that the first buffering is completed.
Preferably, the second buffer mechanism comprises a buffer pad, two ends of the buffer pad are provided with second buffers, the upper ends of the second buffers are rotatably connected with the bottom surface of the buffer pad, the bottom surface of the second buffers is fixedly connected with a moving block, the top surface of the moving block is provided with a connecting rod, the lower ends of the connecting rod are rotatably connected with the top surface of the moving block, the upper ends of the connecting rod are rotatably connected with the bottom surface of the buffer pad, the moving block is sleeved on a cross rod, and the cross rod is transversely arranged in the bottom plate; the cross rod is sleeved with a first spring, and the first spring is arranged between the movable block and the side wall of the bottom plate.
Through the scheme, after the first buffer mechanism completes the first buffer, the buffer pad receives the elevator car, and the second buffer is realized through the second buffer and the like.
Preferably, the bottom surface fixedly connected with third buffer of bottom plate, the lower extreme and the mounting panel fixed connection of third buffer, the both ends embedding of mounting panel are in the lateral wall of elevator shaft.
Through the scheme, after the second buffer finishes buffering, the third buffer performs third buffering, so that the buffering performance of the lifting device is greatly improved.
Preferably, the four corners of the elevator shaft are fixedly connected with guide rails, the guide rails are embedded into guide grooves, and the guide grooves are arranged at the four corners of the elevator car.
Through the scheme, the guide rail and the guide groove are matched, so that the elevator car stably runs in a fixed direction.
The beneficial effects of the utility model are as follows: the first winding mechanism and the second winding mechanism are used for hoisting multiple steel ropes, so that the running stability and safety of the elevator car are improved; the first buffer mechanism, the second buffer mechanism and the third buffer are arranged, so that the buffer effect of the hoisting device is greatly improved, and the compressive strength is improved
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a first motor arrangement;
fig. 3 is a top view of an elevator hoistway;
FIG. 4 is a schematic structural view of a second buffer mechanism;
FIG. 5 is a schematic view of a first buffer mechanism;
in the figure, 1-elevator shaft, 2-guide rail, 3-first mount, 4-second reel, 5-first winding mechanism, 51-first motor, 52-first driving shaft, 53-first driven shaft, 54-first chain belt, 6-first rope, 7-second rope, 8-third rope, 9-second winding mechanism, 10-second motor, 11-mount groove, 12-first buffer mechanism, 121-connecting block, 122-non-slip mat, 123-damping rod, 124-first buffer, 13-second buffer mechanism, 131-buffer, 132-connecting rod, 133-second buffer, 134-first spring, 135-moving block, 14-third buffer, 15-elevator car.
Detailed Description
The technical solution of the present utility model will be described in further detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following description.
Example 1
As shown in fig. 1-5, a hoisting device of an elevator car comprises an elevator shaft 1, a winding mechanism and the elevator car 15, wherein the winding mechanism is fixedly connected to the top of the elevator shaft 1, the lower end of the winding mechanism penetrates through the top surface of the elevator shaft 1 and is fixedly connected with the top surface of the elevator car 15, and the elevator car 15 is arranged in the elevator shaft 1; the winding mechanism comprises a first winding mechanism 4 and a second winding mechanism 9, the first winding mechanism 4 is arranged in a first mounting seat 3, and the bottom surface of the first mounting seat 3 is fixedly connected with the top surface of the elevator shaft 1; the second winding mechanism 9 is arranged in a second mounting seat, the second mounting seat is fixedly connected with the top surface of the elevator car 15, the second winding mechanism 9 is fixedly connected with the top surface of the elevator car 15 through two pulleys, the pulleys are fixedly connected with the top surface of the elevator shaft 1, and the pulleys are arranged in the elevator shaft 1; the lower end of the elevator shaft 1 is provided with a mounting groove 11, the mounting groove 11 is vertically arranged, the mounting groove 11 is symmetrically arranged relative to the vertical plane where the symmetry line of the elevator shaft 1 is located, and a first buffer mechanism 12 is arranged in the mounting groove 11; a second buffer mechanism 13 is arranged between the mounting grooves 11, and the second buffer mechanism 13 is fixedly connected with the bottom surface of the elevator shaft 1. The first winding mechanism 4 comprises a first motor 51, the first motor 51 is fixedly connected with the top surface of the first mounting seat 3, the output end of the first motor 51 is fixedly connected with a first driving shaft 52, the end part of the first driving shaft is provided with a driving gear, and the driving gear is meshed with a driven gear through a first chain belt 54; the middle part of the driven gear is fixedly connected with a first driven shaft 53, one end of the first driven shaft 53 penetrates through the first mounting seat 3 and is fixedly connected with a reel, the side wall of the first mounting seat 3 is rotationally connected, the other end of the reel is rotationally connected with the inner wall of the first mounting seat 3, and the reel is transversely arranged and rotationally connected with the first mounting seat 3; the first steel cable 6 is wound on the reel, one end of the first steel cable 6 penetrates through the elevator shaft 1 to be fixedly connected with the connecting block 121, and the connecting block 121 is fixedly connected with the side wall of the elevator car 15; a second winding mechanism 9 is arranged on one side of the first steel cable 6. The second winding mechanism 9 comprises a second motor 10, the output end of the second motor 10 is fixedly connected with a second driving shaft, the second driving shaft is meshed with a second driven shaft through a second chain belt, the specific structure of the second driving shaft is the same as that of the first winding mechanism 4, one end of the second driven shaft penetrates through the second mounting seat and is fixedly connected with a reel, the other end of the reel is rotatably connected with the second mounting seat, and the reel is transversely arranged and rotatably connected with the second mounting seat; the upper end of the scroll is respectively winded with a second steel rope 7 and a third steel rope 8, one ends of the second steel rope 7 and the third steel rope 8 are respectively penetrated through the pulleys and fixedly connected with the top surface of the elevator car 15, and the second steel rope 7 and the third steel rope 8 are arranged in parallel; the first, second and third wires 6, 7 and 8 form a triangle therebetween.
During the specific implementation, in the elevator operation process, the first motor 51 drives the first driving shaft 52 and the second driving shaft to work, so that the reel rotates, the first steel cable 6 is lowered, the elevator car 15 is lowered, in the process, the second motor 10 drives the second driving shaft and the second driven shaft to rotate, the second steel cable 7 and the third steel cable 8 are lowered, and a plurality of steel cables are hoisted, so that the safety is improved. When the electric car is lifted, the first motor 51 and the second motor 10 are driven as well, so that the first rope 6, the second rope 7 and the third rope 8 are lifted to lift the elevator car 15.
Example 2
On the basis of embodiment 1, the first buffer mechanism 12 includes a connection block 121, a damping rod 123 is connected to the bottom surface of the connection block 121, a first buffer 124 is fixedly connected to the lower end of the damping rod 123, the first buffer 124 includes a connection rod, the upper end of the connection rod is fixedly connected to the lower end of the damper, a sleeve is slidably connected to the lower end of the connection rod, the bottom surface of the sleeve is connected to the bottom surface of the mounting groove 11, a spring is sleeved outside the connection rod and the sleeve, the upper end of the spring is fixedly connected to the bottom surface of the connection block 121, the lower end of the spring is fixedly connected to the bottom surface of the mounting groove 11, and the bottom surface of the first buffer 124 is fixedly connected to the bottom surface of the mounting groove 11; an L-shaped bearing pad is fixedly connected to one end, close to the middle part of the elevator shaft 1, of the connecting block 121, the transverse part of the bearing pad faces the middle part of the elevator shaft 1, and an anti-slip pad 122 is fixedly connected to the upper surface of the bearing pad; a second buffer mechanism 13 is arranged right below the bearing pad. The second buffer mechanism 13 comprises a buffer pad 131, two ends of the buffer pad 131 are provided with a second buffer 133, the second buffer 133 is structurally and rotatably connected with the first buffer 124, the upper end of the second buffer 133 is fixedly connected with a moving block 135 on the bottom surface of the buffer pad 131, the top surface of the moving block 135 is provided with a connecting rod 132, the connecting rod 132 is obliquely arranged, a triangle is formed between the connecting rod 132 and the second buffer 133 and the buffer pad 131, the lower end of the connecting rod 132 is rotatably connected with the top surface of the moving block 135, the upper end of the connecting rod 132 is rotatably connected with the bottom surface of the buffer pad 131, the moving block 135 is sleeved on a cross rod, and the cross rod is transversely arranged in the bottom plate; the bottom surface is internally provided with a groove, two ends of the cross rod are fixedly connected with two side walls of the groove, a first spring 134 is sleeved on the cross rod, and the first spring 134 is arranged between the moving block and the side walls of the groove. The bottom surface fixedly connected with third buffer 14 of bottom plate, the lower extreme and the mounting panel fixed connection of third buffer, the both ends embedding spacing inslot of mounting panel, the spacing inslot sets up in the lateral wall of elevator shaft 1. The four corners of the elevator shaft 1 are fixedly connected with guide rails 2, the guide rails 2 are vertically arranged, the guide rails 2 are embedded into guide grooves, and the guide grooves are arranged at the four corners of the elevator car 15.
During implementation, when the elevator car 15 falls to the bottom of the elevator shaft 1 in a runaway manner, the first buffer mechanism 12 buffers the elevator car 15 once, then the second buffer mechanism 13 buffers the elevator car for the second time, and finally buffers the elevator car for the third time through the third buffer, so that the buffer force of the elevator car 15 is greatly reduced, and the compressive strength is improved. During the movement of the elevator car 15, the guide rail 2 guides it so that it runs stably.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. The utility model provides a hoist device of elevator car, includes elevator shaft (1), winding mechanism, elevator car (15), the top fixedly connected with winding mechanism of elevator shaft (1), the lower extreme of winding mechanism wears to establish the top surface of elevator shaft (1) to fixedly connected with the top surface of elevator car (15), elevator car (15) set up in elevator shaft (1); the method is characterized in that: the winding mechanism comprises a first winding mechanism (4) and a second winding mechanism (9), the first winding mechanism (4) is arranged in a first mounting seat (3), and the bottom surface of the first mounting seat (3) is fixedly connected with the top surface of the elevator shaft (1); the second winding mechanism (9) is arranged in a second mounting seat, the second mounting seat is fixedly connected with the top surface of the elevator car (15), the second winding mechanism (9) is fixedly connected with the top surface of the elevator car (15) through a pulley, the pulley is fixedly connected with the top surface of the elevator shaft (1), and the pulley is arranged in the elevator shaft (1); the lower end of the elevator shaft (1) is provided with a mounting groove (11), the mounting groove (11) is symmetrically arranged relative to a vertical plane where a symmetry line of the elevator shaft (1) is located, and a first buffer mechanism (12) is arranged in the mounting groove (11); a second buffer mechanism (13) is arranged between the mounting grooves (11), and the second buffer mechanism (13) is fixedly connected with the bottom surface of the elevator shaft (1).
2. The hoisting device for an elevator car according to claim 1, characterized in that: the first winding mechanism (4) comprises a first motor (51), the first motor (51) is fixedly connected with the top surface of the first mounting seat (3), the output end of the first motor (51) is fixedly connected with a first driving shaft (52), and the first driving shaft (52) is meshed with a first driven shaft (53) through a first chain belt (54); one end of the first driven shaft (53) penetrates through the first mounting seat (3) and is fixedly connected with the scroll, the side wall of the first mounting seat (3) is rotationally connected, and the other end of the scroll is rotationally connected with the inner wall of the first mounting seat (3); the first steel cable (6) is wound on the reel, and one end of the first steel cable (6) penetrates through the elevator shaft (1) and is fixedly connected with the side wall of the elevator car (15); one side of the first steel cable (6) is provided with a second winding mechanism (9).
3. The hoisting device for an elevator car as claimed in claim 2, characterized in that: the second winding mechanism (9) comprises a second motor (10), the output end of the second motor (10) is fixedly connected with a second driving shaft, the second driving shaft is meshed with a second driven shaft through a second chain belt, one end of the second driven shaft penetrates through the second mounting seat and is fixedly connected with a reel, and the other end of the reel is rotationally connected with the second mounting seat; the upper end of the scroll is respectively winded with a second steel cable (7) and a third steel cable (8), one ends of the second steel cable (7) and the third steel cable (8) are respectively penetrated through the pulleys and fixedly connected with the top surface of the elevator car (15), and the second steel cable (7) and the third steel cable (8) are arranged in parallel; the first steel rope (6), the second steel rope (7) and the third steel rope (8) form a triangle.
4. The hoisting device for an elevator car according to claim 1, characterized in that: the first buffer mechanism (12) comprises a connecting block (121), a damping rod (123) is connected to the bottom surface of the connecting block (121), a first buffer (124) is fixedly connected to the lower end of the damping rod (123), and the bottom surface of the first buffer (124) is fixedly connected with the bottom surface of the mounting groove (11); one end of the connecting block (121) close to the middle part of the elevator shaft (1) is fixedly connected with an L-shaped bearing pad, and the upper surface of the bearing pad is fixedly connected with an anti-slip pad (122); a second buffer mechanism (13) is arranged under the bearing pad.
5. The hoisting device for an elevator car as defined in claim 4, wherein: the second buffer mechanism (13) comprises a buffer pad (131), two ends of the buffer pad (131) are provided with second buffers (133), the upper ends of the second buffers (133) are rotationally connected with the bottom surface of the buffer pad (131), the bottom surface of the second buffers (133) is fixedly connected with a moving block (135), the top surface of the moving block (135) is provided with a connecting rod (132), the lower end of the connecting rod (132) is rotationally connected with the top surface of the moving block (135), the upper ends of the connecting rod (132) are rotationally connected with the bottom surface of the buffer pad (131), the moving block (135) is sleeved on a cross rod, and the cross rod is transversely arranged in a bottom plate; the cross bar is sleeved with a first spring (134), and the first spring (134) is arranged between the moving block (135) and the side wall of the bottom plate.
6. The hoisting device for an elevator car as defined in claim 5, wherein: the bottom surface fixedly connected with third buffer (14) of bottom plate, the lower extreme and the mounting panel fixed connection of third buffer (14), the both ends embedding of mounting panel is in the lateral wall of elevator shaft (1).
7. The hoisting device for an elevator car according to claim 1, characterized in that: the four corners of the elevator shaft (1) are fixedly connected with guide rails (2), the guide rails (2) are embedded into guide grooves, and the guide grooves are formed in the four corners of the elevator car (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181983.8U CN220116007U (en) | 2023-02-10 | 2023-02-10 | Hoisting device for elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181983.8U CN220116007U (en) | 2023-02-10 | 2023-02-10 | Hoisting device for elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116007U true CN220116007U (en) | 2023-12-01 |
Family
ID=88892771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181983.8U Active CN220116007U (en) | 2023-02-10 | 2023-02-10 | Hoisting device for elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116007U (en) |
-
2023
- 2023-02-10 CN CN202320181983.8U patent/CN220116007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210825174U (en) | Promote stable monospar gantry crane | |
| JP2004504239A (en) | Elevator equipment using the smallest building space | |
| CN201002908Y (en) | Rope-wheel type elevator without machinery room traction | |
| CN102241353A (en) | Home elevator | |
| JP2004083231A (en) | Elevator device | |
| CN201808994U (en) | Home elevator | |
| CN220116007U (en) | Hoisting device for elevator car | |
| CN209906144U (en) | Steel belt type screw rod driving elevator | |
| JP2011213420A (en) | Renewal method of hydraulic elevator and rope type elevator renewed by the method | |
| JP6798644B2 (en) | Elevator balance weight lifting device and lifting method | |
| CN214780113U (en) | Host top-hanging type elevator without machine room | |
| CN214780114U (en) | Host top-hanging type elevator without machine room | |
| CN215364367U (en) | Machine-room-less elevator equipment and system | |
| CN114408710A (en) | Traction type aluminum profile elevator | |
| CN210505168U (en) | Foundation-pit-free elevator ascending and descending buffer device | |
| CN114314263A (en) | Sprocket traction type villa elevator | |
| CN111547598A (en) | Bottom support type traction elevator arrangement structure | |
| CN217867588U (en) | Hoistway climbing driving rail type lifting device | |
| CN214114617U (en) | Traction type elevator | |
| CN217808195U (en) | Machine room-free steel belt type elevator with small bottom pit and small top layer | |
| CN216155255U (en) | Structural elevator for large load | |
| CN212893338U (en) | Elevator limit safety device | |
| CN212503543U (en) | Spring damper for elevator | |
| CN217780446U (en) | Brake device for increasing brake contracting and releasing speed of elevator brake | |
| CN214326857U (en) | Rope-driven elevator transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |