CN115072533A - Energy-saving elevator and energy-saving method thereof - Google Patents
Energy-saving elevator and energy-saving method thereof Download PDFInfo
- Publication number
- CN115072533A CN115072533A CN202210772337.9A CN202210772337A CN115072533A CN 115072533 A CN115072533 A CN 115072533A CN 202210772337 A CN202210772337 A CN 202210772337A CN 115072533 A CN115072533 A CN 115072533A
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- Prior art keywords
- lifting
- counterweight
- end clamping
- fixed end
- power device
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- 238000000034 method Methods 0.000 title claims description 8
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims description 32
- 239000002775 capsule Substances 0.000 claims description 25
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to an energy-saving elevator, which comprises a lift car, a mounting frame, a lifting power device, a counterweight suspension rope and a plurality of counterweight systems, wherein each counterweight system comprises a counterweight block, a counterweight clamping device and a counterweight braking device, the lift car moves up and down along the mounting frame, the lifting power device is mounted on the mounting frame, the lifting power device is in transmission connection with each counterweight system, the counterweight braking device is mounted on the corresponding counterweight block, the counterweight braking device is in transmission connection with the mounting frame in a clutchable manner, the counterweight clamping device comprises an air pump, a fixed end clamping assembly and a lifting end clamping assembly, the air pump is mounted on the mounting frame, the lifting end clamping assembly is mounted on the corresponding counterweight block, the fixed end clamping assembly is in transmission connection with the lifting power device in a clutchable manner, the fixed end clamping assembly is mounted on the corresponding counterweight block, and the lifting end clamping assembly is in transmission connection with the counterweight suspension rope in a clutchable manner, the large current of the lifting power device in the starting stage is greatly reduced, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an energy-saving elevator and an energy-saving method thereof.
Background
The vertical lift elevator is widely applied as a common building device in daily life of people, the power consumption is huge in the actual use process, and a large amount of electric energy is dissipated in a heat energy form due to the low rotating speed of a motor in the starting stage, so that a large amount of energy is wasted.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides an energy-saving elevator and an energy-saving method thereof, which greatly reduce the large current in the starting stage of a lifting power device and reduce the energy consumption.
The technical solution adopted by the invention is as follows:
an energy-saving elevator comprises a lift car, a mounting frame, a lifting power device, a counterweight suspension rope and a plurality of counterweight systems, wherein each counterweight system comprises a counterweight block, a counterweight clamping device and a counterweight braking device, the lift car moves up and down along the mounting rack, the lifting power device is arranged on the mounting rack and is in transmission connection with each counterweight system, the counterweight braking device is arranged on the corresponding counterweight block and is in clutch transmission connection with the mounting frame, the counterweight clamping device comprises an air pump, a fixed end clamping assembly and a lifting end clamping assembly, the air pump is arranged on the mounting frame, the lifting end clamping component is arranged on the corresponding balancing weight, the fixed end clamping component is in clutch transmission connection with the lifting power device, the fixed end clamping assembly is installed on the corresponding balancing weight, and the lifting end clamping assembly is in clutch transmission connection with the balancing weight suspension rope.
Preferably, the counterweight braking device comprises a plurality of brake cylinders and a plurality of brake pads, a plurality of vertically arranged brake rails are arranged on the mounting frame, each brake cylinder is installed on a corresponding counterweight block, an output end of each brake cylinder points to the corresponding brake rail, each brake pad is installed at an output end of the corresponding brake cylinder, and when the corresponding brake pad is pressed towards the direction of the corresponding brake rail, braking of the counterweight block is achieved.
Preferably, the lifting power device comprises a lifting motor and a traction rope, the lifting motor is arranged on the mounting frame, the traction rope is in transmission connection with the output end of the lifting motor, the tail end of the traction rope is arranged on the lift car, the traction rope is provided with a plurality of lifting fixing bulges, the lifting end clamping assembly comprises a lifting end clamping frame, a lifting end annular clamping air bag, a lifting end annular cooling water capsule and a lifting end clamping plate, the lifting end clamping frame is fixedly arranged on the corresponding balancing weight, the lifting end annular clamping air bag is arranged in the lifting end clamping frame, the lifting end annular clamping air bag is communicated with the air pump and is sleeved with a lifting end annular cooling water capsule, the lifting end annular cooling water capsule sleeve is provided with a lifting end clamping plate, and the lifting end clamping plate is provided with a lifting fixing groove matched with the lifting fixing protrusion.
Preferably, the lifting end annular cooling water capsule is communicated with a cooling water tank.
Preferably, the lifting power device further comprises a plurality of horizontally arranged horizontally extending wheels, and the traction rope sequentially passes around each horizontally extending wheel.
Preferably, the counter weight suspends the rope in midair and adorns admittedly on the mounting bracket, the counter weight suspends in midair and is equipped with a plurality of fixed archs that suspend in midair on the rope, stiff end clamping unit includes stiff end clamping frame, stiff end clamping air bag, stiff end annular cooling water capsule and stiff end clamp plate, stiff end clamping frame adorns admittedly on corresponding the balancing weight, stiff end clamping air bag is installed in stiff end clamping frame, stiff end clamping air bag cover is equipped with stiff end annular cooling water capsule, stiff end annular cooling water capsule cover is equipped with the stiff end clamp plate, the stiff end clamp plate is equipped with and suspends the stiff end fixed recess of fixed protruding adaptation in midair.
Preferably, the fixed end annular cooling water capsule is communicated with a cooling water tank.
The energy-saving method of the energy-saving elevator comprises the following steps:
and SA: the lifting end clamping assembly clamps the lifting power device, the lifting power device is started, and the balancing weight helps the lifting power device to lift the car;
SB: after the lift car ascends, the lifting end clamping assembly loosens the lifting power device, and the counterweight braking device pushes the mounting frame to brake the counterweight block;
SC: the fixed end clamping assembly clamps the counterweight suspension rope and suspends the counterweight block onto the counterweight suspension rope;
SD: when the lift car descends, the fixed end clamping assembly simultaneously loosens the counterweight suspension rope, the lifting end clamping assembly clamps the lifting power device, the lifting power device is started, and the lift car lifts the counterweight block for energy storage;
and SE: SA to SD were repeated.
The invention has the beneficial effects that:
each counterweight system comprises a counterweight block, a counterweight clamping device and a counterweight braking device, the lift car moves up and down along the mounting frame, the lifting power device is arranged on the mounting frame, the lifting power device is in transmission connection with each counterweight system, the lifting power device is used for driving the lift car to lift in a traction manner, the counterweight braking device is arranged on the corresponding counterweight block, the counterweight braking device is in transmission connection with the mounting frame in a clutchable manner, the counterweight clamping device comprises an air pump, a fixed end clamping component and a lifting end clamping component, the air pump is arranged on the mounting frame, the lifting end clamping component is arranged on the corresponding counterweight block, the fixed end clamping component is in transmission connection with the lifting power device in a clutchable manner, when the counterweight block is required to assist in pulling the lift car in the starting stage of the lifting power device, the lifting end clamping component clamps the lifting power device, the counterweight block assists in pulling the lift car, and after the lift power device stably raises the lift car, the counterweight braking device is used for braking the counterweight block, the fixed end clamping assembly is installed on the corresponding counterweight block, the lifting end clamping assembly is connected with the counterweight suspension rope in a clutchable transmission mode, after the counterweight block is stopped by the counterweight braking device, the fixed end clamping assembly clamps the counterweight suspension rope, and then the counterweight block is suspended on the counterweight suspension rope.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the lifting end clamping assembly.
FIG. 3 is a schematic view of a fixed end clamp assembly.
Description of reference numerals:
1. a car;
2. a mounting frame;
3. a lifting power device; 31. a hauling rope; 311. lifting and fixing the bulge;
4. a counterweight suspension rope; 41. a suspension fixing protrusion;
5. a counterweight system; 51. a balancing weight; 521. a fixed end clamping assembly; 5211. the fixed end clamps the frame; 5212. the fixed end clamps the air bag; 5213. a fixed end annular cooling water capsule; 5214. a fixed end clamping plate; 522. a lifting end clamping assembly; 5221. a lifting end clamping frame; 5222. the lifting end clamps the gasbag annularly; 5223. lifting end ring cooling water capsule; 5224. a lifting end clamping plate; 523. an air pump; 53. a counterweight braking device.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-3, this embodiment provides an energy-saving elevator, which includes a car 1, a mounting frame 2, a lifting power device 3, a counterweight suspension rope 4, and a plurality of counterweight systems 5, each counterweight system 5 includes a counterweight 51, a counterweight clamping device, and a counterweight braking device 53, the car 1 moves up and down along the mounting frame 2, the lifting power device 3 is mounted on the mounting frame 2, the lifting power device 3 is in transmission connection with each counterweight system 5, the lifting power device 3 is used to pull the car 1 to lift, the counterweight braking device 53 is mounted on the corresponding counterweight 51, the counterweight braking device 53 is in transmission connection with the mounting frame 2 in a clutchable manner, the counterweight clamping device includes an air pump 523, a fixed end clamping component 521, and a lifting end clamping component 522, the air pump 523 is mounted on the mounting frame 2, the lifting end clamping component 522 is mounted on the corresponding counterweight 51, and the lifting end clamping component 522 is in transmission connection with the lifting power device 3 in a clutchable manner, when the lift power device 3 needs the counterweight block 51 to assist in towing the car 1 in the starting stage, the lifting end clamping component 522 clamps the lifting power device 3, the counterweight block 51 assists in towing the car 1, the large current in the starting stage of the lifting power device 3 is greatly reduced, the energy consumption is reduced, after the lift power device 3 stably ascends the car 1, the counterweight braking device 53 is used for braking the counterweight block 51, the fixed end clamping component 521 is installed on the corresponding counterweight block 51 and the fixed end clamping component 521 is connected with the transmission capable of clutching the counterweight suspending rope 4, after the counterweight block 51 is stopped by the counterweight braking device 53, the fixed end clamping component 521 clamps the counterweight suspending rope 4, and then the counterweight block 51 is suspended on the counterweight suspending rope 4.
Wherein: the counterweight braking device 53 comprises a plurality of brake cylinders and a plurality of brake pieces, a plurality of vertically arranged brake rails are arranged on the mounting frame 2, each brake cylinder is arranged on a corresponding counterweight block 51, the output end of each brake cylinder points to the corresponding brake rail, each brake piece is arranged at the output end of the corresponding brake cylinder, the brake of the counterweight block 51 is realized when the corresponding brake piece is pressed towards the direction of the corresponding brake rail by each brake cylinder, the brake blocks are stopped by each brake cylinder, the counterweight suspension rope 4 is prevented from being damaged when the fixed end clamping assembly 521 clamps the counterweight suspension rope 4, and the lifting power device 3 is prevented from being damaged when the lifting end clamping assembly 522 clamps the lifting power device 3.
Wherein, the lifting power device 3 comprises a lifting motor and a traction rope 31, the lifting power device 3 further comprises a plurality of horizontally arranged horizontally extending wheels, the traction rope 31 sequentially bypasses each horizontally extending wheel, each horizontally extending wheel pulls the distance between the car 1 and the counterweight block 51 to prevent the mutual interference between the car 1 and the counterweight block 51, the lifting motor is installed on the installation frame 2, the traction rope 31 is in transmission connection with the output end of the lifting motor, the lifting motor is used for pulling the traction rope 31 to lift, and further to move the car 1 to lift, a plurality of lifting fixing protrusions 311 are arranged on the traction rope 31, the lifting end clamping assembly 522 comprises a lifting end clamping frame 5221, a lifting end annular clamping air bag 5222, a lifting end annular cooling water capsule 5223 and a lifting end clamping plate 5224, the lifting end clamping frame 5221 is fixedly installed on the corresponding counterweight block 51, the lifting end annular clamping air bag 5222 is installed in the lifting end clamping frame 5221, the lifting end annular clamping airbag 5222 is communicated with the air pump 523, the lifting end annular clamping airbag 5222 is sleeved with a lifting end annular cooling water capsule 5223, the lifting end annular cooling water capsule 5223 is communicated with a cooling water tank, the lifting end annular cooling water capsule 5223 is used for cooling the lifting end clamping plate 5224 when the lifting end clamping plate 5224 clamps the traction rope 31, so that the lifting end annular clamping airbag 5222 is protected, the lifting end annular clamping airbag 5222 is prevented from being overheated, the lifting end annular cooling water capsule 5223 is sleeved with the lifting end clamping plate 5224, the lifting end clamping plate 5224 is provided with a lifting fixing groove matched with the lifting fixing protrusion 311, when the lift car 1 needs to be pulled by the counterweight block 51, the air pump 523 inflates the lifting end annular clamping airbag 5222, the lifting end annular clamping airbag 5222 pushes the lifting fixing groove to be clamped into the lifting fixing protrusion 311, and the counterweight block 51 is fixed on the traction rope 31.
A counterweight suspending rope 4 is fixedly arranged on the mounting frame 2, a plurality of suspending fixing protrusions 41 are arranged on the counterweight suspending rope 4, a fixed end clamping assembly 521 comprises a fixed end clamping frame 5211, a fixed end clamping air bag 5212, a fixed end annular cooling water capsule 5213 and a fixed end clamping plate 5214, the fixed end clamping frame 5211 is fixedly arranged on a corresponding counterweight block 51, the fixed end clamping air bag 5212 is arranged in the fixed end clamping frame 5211, the fixed end clamping air bag 5212 is sleeved with the fixed end annular cooling water capsule 5213, the fixed end annular cooling water capsule 5213 is communicated with a cooling water tank and used for cooling the fixed end clamping plate 5214 when the fixed end clamping plate 5214 clamps the traction rope 31, so that the fixed end clamping air bag 5212 is protected and prevented from overheating, the fixed end clamping air bag 5212 is sleeved with the fixed end clamping plate 5214, the fixed end clamping plate 5214 is provided with a fixing groove matched with the suspending fixing protrusions 41, when the counterweight block 51 is lower and needs to be lifted, the air pump 523 inflates the fixed-end clamping air bag 5212, and the fixed-end clamping air bag 5212 pushes the fixed-end fixing groove to be clamped into the suspension fixing protrusion 41, so that the counterweight block 51 is fixed on the counterweight suspension rope 4.
The energy-saving method of the energy-saving elevator comprises the following steps:
and SA: the lifting end clamping assembly 522 clamps the lifting power device 3, the lifting power device 3 is started, and the counterweight block 51 helps the lifting power device 3 to lift the car 1;
SB: after the car 1 ascends, the lifting end clamping assembly 522 releases the lifting power device 3, and the counterweight braking device 53 pushes the mounting frame 2 to brake the counterweight 51;
SC: the fixed end clamping assembly 521 clamps the counterweight suspending rope 4, and the fixed end clamping assembly 521 suspends the counterweight block 51 on the counterweight suspending rope 4;
SD: when the car 1 descends, the fixed end clamping assembly 521 simultaneously loosens the counterweight suspension rope 4, the lifting end clamping assembly 522 clamps the lifting power device 3, the lifting power device 3 is started, and the car 1 lifts the counterweight block 51 for energy storage;
and SE: SA to SD were repeated.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. An energy-saving elevator is characterized by comprising a lift car, a mounting frame, a lifting power device, a counterweight suspension rope and a plurality of counterweight systems, wherein each counterweight system comprises a counterweight block, a counterweight clamping device and a counterweight braking device, the lift car moves up and down along the mounting rack, the lifting power device is arranged on the mounting rack and is in transmission connection with each counterweight system, the counterweight braking device is arranged on the corresponding counterweight block and is in clutch transmission connection with the mounting frame, the counterweight clamping device comprises an air pump, a fixed end clamping assembly and a lifting end clamping assembly, the air pump is arranged on the mounting frame, the lifting end clamping component is arranged on the corresponding balancing weight, the fixed end clamping component is in clutch transmission connection with the lifting power device, the fixed end clamping assembly is installed on the corresponding balancing weight, and the lifting end clamping assembly is in clutch transmission connection with the balancing weight suspension rope.
2. The energy-saving elevator according to claim 1, wherein the counterweight braking device comprises a plurality of brake cylinders and a plurality of brake pads, the mounting frame is provided with a plurality of vertically arranged brake rails, each brake cylinder is mounted on the corresponding counterweight block, an output end of each brake cylinder is directed to the corresponding brake rail, each brake pad is mounted on an output end of the corresponding brake cylinder, and each brake cylinder realizes braking of the counterweight block when the corresponding brake pad is pressed towards the direction of the corresponding brake rail.
3. The energy-saving elevator according to claim 1, wherein the lifting power device comprises a lifting motor and a traction rope, the lifting motor is mounted on the mounting frame, the traction rope is in transmission connection with the output end of the lifting motor, the tail end of the traction rope is mounted on the car, a plurality of lifting fixing protrusions are arranged on the traction rope, the lifting end clamping assembly comprises a lifting end clamping frame, a lifting end annular clamping air bag, a lifting end annular cooling water capsule and a lifting end clamping plate, the lifting end clamping frame is fixedly mounted on the corresponding balancing weight, the lifting end annular clamping air bag is mounted in the lifting end clamping frame, the lifting end annular clamping air bag is communicated with the air pump, the lifting end annular clamping air bag is sleeved with the lifting end annular cooling water capsule, the lifting end annular cooling water capsule is sleeved with the lifting end clamping plate, the lifting end clamping plate is provided with a lifting fixing groove matched with the lifting fixing protrusion.
4. The energy-saving elevator according to claim 3, wherein the annular cooling water capsule at the lifting end is communicated with a cooling water tank.
5. The energy efficient elevator as defined in claim 3, wherein said hoisting power unit further comprises a plurality of horizontally disposed horizontally extending sheaves, said traction rope passing in sequence around each horizontally extending sheave.
6. The energy-saving elevator according to claim 1, wherein the counterweight suspension rope is fixedly mounted on the mounting frame, the counterweight suspension rope is provided with a plurality of suspension fixing protrusions, the fixed end clamping assembly comprises a fixed end clamping frame, a fixed end clamping air bag, a fixed end annular cooling water capsule and a fixed end clamping plate, the fixed end clamping frame is fixedly mounted on the corresponding counterweight block, the fixed end clamping air bag is mounted in the fixed end clamping frame, the fixed end clamping air bag is sleeved with the fixed end annular cooling water capsule, the fixed end annular cooling water capsule is sleeved with the fixed end clamping plate, and the fixed end clamping plate is provided with a fixed end fixing groove adapted to the suspension fixing protrusions.
7. The energy-saving elevator according to claim 6, wherein the fixed-end annular cooling water bladder is communicated with a cooling water tank.
8. The energy saving method of an energy saving elevator according to claim 1, comprising the steps of:
and SA: the lifting end clamping assembly clamps the lifting power device, the lifting power device is started, and the balancing weight helps the lifting power device to lift the car;
SB: after the lift car ascends, the lifting end clamping assembly loosens the lifting power device, and the counterweight braking device pushes the mounting frame to brake the counterweight block;
and (3) SC: the fixed end clamping assembly clamps the counterweight suspension rope and suspends the counterweight block onto the counterweight suspension rope;
SD: when the lift car descends, the fixed end clamping assembly simultaneously loosens the counterweight suspension rope, the lifting end clamping assembly clamps the lifting power device, the lifting power device is started, and the lift car lifts the counterweight block for energy storage;
and SE: SA to SD were repeated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311463140.8A CN117486041A (en) | 2022-07-02 | 2022-07-02 | Counterweight system of energy-saving elevator |
| CN202210772337.9A CN115072533B (en) | 2022-07-02 | 2022-07-02 | Energy-saving elevator and energy-saving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772337.9A CN115072533B (en) | 2022-07-02 | 2022-07-02 | Energy-saving elevator and energy-saving method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311463140.8A Division CN117486041A (en) | 2022-07-02 | 2022-07-02 | Counterweight system of energy-saving elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115072533A true CN115072533A (en) | 2022-09-20 |
| CN115072533B CN115072533B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210772337.9A Active CN115072533B (en) | 2022-07-02 | 2022-07-02 | Energy-saving elevator and energy-saving method thereof |
| CN202311463140.8A Pending CN117486041A (en) | 2022-07-02 | 2022-07-02 | Counterweight system of energy-saving elevator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311463140.8A Pending CN117486041A (en) | 2022-07-02 | 2022-07-02 | Counterweight system of energy-saving elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115072533B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115744704A (en) * | 2023-01-10 | 2023-03-07 | 廊坊新赛浦特种装备有限公司 | Cable is from tensioning formula logging truck |
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| JP2007145588A (en) * | 2005-11-30 | 2007-06-14 | Hitachi Ltd | Brake control device for elevator |
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| WO2015090149A1 (en) * | 2013-12-17 | 2015-06-25 | 叶荣伟 | Energy-saving model of traction-type elevator and energy-saving method therefor |
| CN105819310A (en) * | 2016-05-20 | 2016-08-03 | 陕西小溪机电科技有限公司 | Dual traction drive lift with manual self-rescue slow descent function |
| CN208561361U (en) * | 2018-05-17 | 2019-03-01 | 浙江威特电梯有限公司 | A kind of highly-safe energy-conserving elevator |
| CN109573793A (en) * | 2018-05-17 | 2019-04-05 | 浙江威特电梯有限公司 | A kind of energy-conserving elevator |
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| EP3878792A1 (en) * | 2020-03-09 | 2021-09-15 | KONE Corporation | Counterweight frame, elevator and method |
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2022
- 2022-07-02 CN CN202210772337.9A patent/CN115072533B/en active Active
- 2022-07-02 CN CN202311463140.8A patent/CN117486041A/en active Pending
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| JPH0890340A (en) * | 1994-09-21 | 1996-04-09 | Hiroshi Sasaki | Tapping method and device thereof |
| JP2007145588A (en) * | 2005-11-30 | 2007-06-14 | Hitachi Ltd | Brake control device for elevator |
| JP2009286525A (en) * | 2008-05-27 | 2009-12-10 | Mitsubishi Electric Corp | Elevator device and braking function inspecting method thereof |
| WO2012084508A2 (en) * | 2010-12-22 | 2012-06-28 | Terex Demag Gmbh | Crane and method for operating a crane using recovery of energy from crane operations as a secondary energy source field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115744704A (en) * | 2023-01-10 | 2023-03-07 | 廊坊新赛浦特种装备有限公司 | Cable is from tensioning formula logging truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115072533B (en) | 2023-11-03 |
| CN117486041A (en) | 2024-02-02 |
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