CN114348832B - Traction equipment for elevator - Google Patents
Traction equipment for elevator Download PDFInfo
- Publication number
- CN114348832B CN114348832B CN202210021488.0A CN202210021488A CN114348832B CN 114348832 B CN114348832 B CN 114348832B CN 202210021488 A CN202210021488 A CN 202210021488A CN 114348832 B CN114348832 B CN 114348832B
- Authority
- CN
- China
- Prior art keywords
- traction
- elevator
- module
- wire rope
- wheel
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses traction equipment for an elevator, which comprises a driving mechanism and a monitoring mechanism, wherein the driving mechanism comprises a traction steel wire rope, a traction wheel assembly, a variable machine seat detachably arranged in an elevator shaft and a traction machine detachably arranged on the variable machine seat and used for driving the traction steel wire rope to rotate, one end of the traction steel wire rope is connected with a lift car on the elevator, the other end of the traction steel wire rope is connected with a counterweight on the elevator through the traction wheel assembly, the monitoring mechanism comprises a user terminal, a main control module and a data set module which are electrically connected, the main control module is electrically connected with the data set module, and the user terminal interacts with the main control module through the data set module; meanwhile, the variable machine base is also suitable for different shafts, and the early investment cost is reduced.
Description
Technical Field
The invention relates to the technical field of elevator equipment, in particular to traction equipment for an elevator.
Background
The traction equipment for the elevator is power equipment of the elevator, which is also called as an elevator main machine. The function is to transmit and transfer power to make the elevator run. It is composed of motor, brake, shaft coupling, speed reducer, traction wheel, variable machine base, guide wheel and auxiliary turning hand wheel. At present, most traction equipment used by elevators has no real-time monitoring function in advance, and workers cannot know the abnormality of the elevators in advance, so that the workers can avoid accidents as much as possible only by periodically maintaining the elevators, and the labor cost is high. And because the sizes of different shafts are different, the machine base of the elevator traction machine is usually formulated according to the size of the shaft, and the formulation of multiple machine bases can cause higher input cost in the early stage. Therefore, as for the traction equipment for the elevator, most of the traction equipment for the elevator has no advanced real-time monitoring function, and workers cannot know the abnormality of the elevator in advance; the sizes of different shafts are different, and the machine base of the elevator traction machine is usually formulated according to the size of the shaft, so that the problem that the prior investment cost is high is solved by formulating various machine bases.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide traction equipment for an elevator, which has a simple structure, and the arrangement of a monitoring mechanism is convenient for a worker to monitor in real time, so that the abnormality of the elevator can be known in advance; meanwhile, the variable machine base is also suitable for different shafts, and the early investment cost is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a hauling equipment that elevator was used, including actuating mechanism and monitoring facilities, actuating mechanism includes traction wire rope, traction sheave subassembly, can dismantle the variable frame that sets up in the elevator well and can dismantle the hauler that sets up on variable frame and be used for driving traction wire rope pivoted, traction wire rope's one end is connected with the car on the elevator, the other end is connected with the counter weight on the elevator through traction sheave subassembly, monitoring facilities includes user terminal, the main control module and the data set module that the electricity links, main control module and data set module electricity link, user terminal passes through data set module and main control module is interactive.
The traction equipment for the elevator has the advantages that the variable machine base is adjusted according to the size of an actual hoistway, then the variable machine base is installed in the hoistway (the installation mode of the variable machine base is a conventional mode, such as clamping, locking and the like, and other modes), and then the traction machine is installed on the variable machine base (the installation mode of the traction machine is a conventional mode, such as clamping, locking and the like). The data set module can collect real-time dynamic data of a traction machine, a car, a counterweight, a traction steel wire rope and a traction wheel assembly in an elevator shaft, and workers can monitor the data in real time through a user terminal. The traction equipment for the elevator is convenient for a worker to monitor in real time by setting the monitoring mechanism, so that the abnormality of the elevator can be known in advance; meanwhile, the variable machine base is also suitable for different shafts, and the early investment cost is reduced.
As a further improvement of the present invention, the variable housing includes a first housing including a first main housing and two first extension housings slidably disposed on the first main housing, and a second housing including a second main housing and two second extension housings slidably disposed on the second main housing, the second main housing being detachably disposed on the first main housing. And according to the length limitation of the actual hoistway, the second main frame body is selectively engaged with or separated from the first main frame body. According to the width limitation of an actual hoistway, two first expansion frame bodies and two second expansion frame bodies are selected to slide relatively simultaneously.
The invention further improves the structure that the invention also comprises a first driving piece arranged on the first main frame body and a second driving piece arranged on the second main frame body, the second driving piece has the same structure as the first driving piece, the first driving piece comprises a first screw rod, a first driving motor and two first thread seats, the first screw rod is rotationally arranged on the first main frame body, the first driving motor is arranged on the first main frame body, an output shaft of the first driving motor is connected with the first screw rod and can drive the first screw rod to rotate, two groups of symmetrical first thread sections with opposite threads are arranged on the first screw rod, each first thread seat is sleeved on the first thread section in a threaded manner, and each first thread seat is connected with the first expansion frame body. The second driving piece comprises a second screw rod, a second driving motor and two second thread seats, the second screw rod is rotationally arranged on the second main frame body, the second driving motor is arranged on the second main frame body, an output shaft of the second driving motor is connected with the second screw rod and can drive the second screw rod to rotate, two groups of second thread sections which are symmetrical and opposite in thread are arranged on the second screw rod, each second thread seat is sleeved on each second thread section through threads, and each second thread seat is connected with the second expansion frame body. Starting a first driving motor to drive the first screw rods to rotate so as to drive the two first expansion frames to slide relatively; the sliding process of the two second expansion brackets can be known in the same way.
As a further improvement of the invention, the first main frame body is provided with a groove and a hasp at the groove, the second main frame body is provided with an extension plate and a hasp ring, and the extension plate is clamped into the groove and is movably connected with the hasp ring. The staff manually clamps the second main frame body and the first main frame body, clamps the extension plate into the groove and clamps the hasp onto the hasp ring.
The main control module comprises a CPU controller, a signal processing module, a storage module and a communication module, wherein the signal processing module, the storage module and the communication module are electrically connected with the CPU controller, the data set module comprises a rotating speed sensor, a temperature sensor, a video sensor and a magnetic flux sensor, the rotating speed sensor is electrically connected with the signal processing module and arranged on an output shaft of a traction machine of a driving mechanism, the temperature sensor is arranged on an outer ring of a bearing of the traction machine of the driving mechanism, the video sensor is arranged in an elevator hoistway, the magnetic flux sensor is arranged on a traction steel wire rope of the driving mechanism, the user terminal and a cloud server are in wireless interaction, and the cloud server is in wireless interaction with the CPU controller through the communication module. The rotating speed sensor, the temperature sensor, the video sensor and the magnetic flux sensor are used for monitoring the traction machine, the car, the counterweight, the traction wire rope and the traction wheel assembly of the elevator in real time on line. The signal processing module receives and processes the plurality of pieces of data information acquired by the data set module, and the storage module stores the data information simultaneously. And the CPU controller transmits the processed information to the user terminal through the communication module and the cloud server. The staff monitors the information in real time through the user terminal.
As a further improvement of the invention, the invention also comprises an alarm module connected with the CPU controller. The alarm module can alarm in real time.
As a further improvement of the invention, an adjustable ladder is also included that is removably disposed within the hoistway. The adjustable ladder is prior art and will not be described in any greater detail herein. The adjustable ladder enables staff to check the elevator regularly on the basis of real-time monitoring. The adjustable ladder is mounted by conventional means, such as clamping, locking, and the like.
The invention is further improved that the traction wheel assembly comprises a driving wheel connected with the output shaft of the traction machine, a car wheel, a counterweight wheel, a traction wheel and a steering wheel which are arranged in a well, one end of the traction wire rope is connected with the car on the elevator, and the other end of the traction wire rope is connected with the counterweight after passing through the driving wheel, the car wheel, the counterweight wheel, the traction wheel and the steering wheel.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic flow chart of the monitoring mechanism according to the present embodiment;
fig. 3 is a structural diagram of the variable engine base of the present embodiment.
In the figure:
1. a traction machine; 2. dragging the steel wire rope; 3. a variable base; 4. a first driving motor; 5. a monitoring mechanism; 51. a user terminal; 52. a main control module; 521. a CPU controller; 522. a signal processing module; 523. a storage module; 524. a communication module; 53. a data set module; 531. a rotation speed sensor; 532. a temperature sensor; 533. a video sensor; 534. a magnetic flux sensor; 6. a first frame; 61. a first main frame body; 7. a second frame; 71. a second main frame body; 72. a second expansion bracket body; 8. a first screw; 9. a first screw seat; 10. a car wheel; 11. a counterweight wheel; 12. traction sheave; 13. and steering wheels.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1-3, the traction device for an elevator of this embodiment includes a driving mechanism and a monitoring mechanism 5, the driving mechanism includes a traction wire rope 2, a traction sheave assembly, a variable machine base 3 detachably disposed in an elevator shaft, and a traction machine 1 detachably disposed on the variable machine base 3 and used for driving the traction wire rope 2 to rotate, one end of the traction wire rope 2 is connected with a car on the elevator, the other end is connected with a counterweight on the elevator through the traction sheave assembly, the monitoring mechanism 5 includes a user terminal 51, a main control module 52 and a data set module 53 which are electrically connected, the main control module 52 is electrically connected with the data set module 53, and the user terminal 51 interacts with the main control module 52 through the data set module 53.
In the implementation process of this embodiment, the variable machine base 3 is adjusted according to the actual size of the hoistway, and then mounted in the hoistway (the mounting manner of the variable machine base 3 is a conventional manner, such as a clamping manner, a locking manner, and the like, and the other manners), and then the hoisting machine 1 is mounted on the variable machine base 3 (the mounting manner of the hoisting machine 1 is a conventional manner, such as a clamping manner, a locking manner, and the like). The data set module 53 can collect real-time dynamic data of the hoisting machine 1, car, counterweight, hoisting wire rope 2 and hoisting wheel assembly in the elevator hoistway, and the staff can monitor in real time through the user terminal 51. The traction equipment for the elevator is convenient for a worker to monitor in real time by the arrangement of the monitoring mechanism 5, so that the abnormality of the elevator can be known in advance; meanwhile, the variable machine base 3 is also suitable for different shafts, and the early investment cost is reduced.
The variable housing 3 of the present embodiment includes a first housing 6 and a second housing 7, the first housing 6 includes a first main housing 61 and two first extension housings provided on the first main housing 61 in a relatively sliding manner, the second housing 7 includes a second main housing 71 and two second extension housings 72 provided on the second main housing 71 in a relatively sliding manner, and the second main housing 71 is detachably provided on the first main housing 61. The second main frame 71 is selectively engaged with or disengaged from the first main frame 61 according to the length limitation of the actual hoistway. Two first extension brackets and two second extension brackets 72 are selected to slide simultaneously relative to each other according to the width constraint of the actual hoistway.
The embodiment further comprises a first driving piece arranged on the first main frame body 61 and a second driving piece arranged on the second main frame body 71, the second driving piece has the same structure as the first driving piece, the first driving piece comprises a first screw rod 8, a first driving motor 4 and two first thread seats 9, the first screw rod 8 is rotatably arranged on the first main frame body 61, the first driving motor 4 is arranged on the first main frame body 61, an output shaft of the first driving motor 4 is connected with the first screw rod 8 and can drive the first screw rod 8 to rotate, two groups of symmetrical first thread sections with opposite threads are arranged on the first screw rod 8, and each first thread seat 9 is sleeved on the first thread section and connected with the first expansion frame body. The second driving piece comprises a second screw rod, a second driving motor and two second thread seats, the second screw rod is rotationally arranged on the second main frame body 71, the second driving motor is arranged on the second main frame body 71, an output shaft of the second driving motor is connected with the second screw rod and can drive the second screw rod to rotate, two groups of second thread sections which are symmetrical and have opposite threads are arranged on the second screw rod, each second thread seat is sleeved on each second thread section, and each second thread seat is connected with the second expansion frame body 72. Starting the first driving motor 4 to drive the first screw rods 8 to rotate so as to drive the two first expansion frames to slide relatively; the process of sliding the two second expansion brackets 72 relative to each other can be known in the same manner.
The first main frame 61 of the present embodiment is provided with a groove and a buckle at the groove, the second main frame 71 is provided with an extension board and a buckle ring, and the extension board is clamped into the groove and the buckle is movably connected with the buckle ring. The worker manually engages the second main frame 71 with the first main frame 61, and engages the extension plate into the recess and engages the buckle to the buckle ring.
The main control module 52 of the present embodiment includes a CPU controller 521, a signal processing module 522 electrically connected to the CPU controller 521, a storage module 523, and a communication module 524, the data set module 53 includes a rotation speed sensor 531 electrically connected to the signal processing module 522 and disposed on an output shaft of the driving mechanism tractor 1, a temperature sensor 532 disposed on a bearing outer ring of the driving mechanism tractor 1, a video sensor 533 disposed in an elevator hoistway, and a magnetic flux sensor 534 disposed on the driving mechanism traction wire rope 2, and the user terminal 51 interacts with a cloud server wirelessly and the cloud server interacts with the CPU controller 521 wirelessly through the communication module 524. The rotation speed sensor 531, the temperature sensor 532, the video sensor 533 and the magnetic flux sensor 534 monitor the traction machine 1, the car, the counterweight, the traction wire rope 2 and the traction wheel assembly of the elevator on line in real time. The signal processing module 522 receives and processes the plurality of pieces of data information collected by the data set module 53, and the storage module 523 stores the pieces of data information simultaneously. The CPU controller 521 transmits the processed information to the user terminal 51 through the communication module 524 and the cloud server. The staff member is monitored in real time by the user terminal 51.
The present embodiment also includes an alarm module connected to the CPU controller 521. The alarm module can alarm in real time.
The present embodiment also includes an adjustable ladder removably disposed within the hoistway. The adjustable ladder is prior art and will not be described in any greater detail herein. The adjustable ladder enables staff to check the elevator regularly on the basis of real-time monitoring. The adjustable ladder is mounted by conventional means, such as clamping, locking, and the like.
The traction sheave assembly of this embodiment includes a driving wheel connected to an output shaft of the traction machine 1, a car sheave 10, a counterweight sheave 11, a traction sheave 12, and a steering sheave 13 provided in a hoistway, one end of the traction wire rope 2 is connected to a car on an elevator, and the other end is connected to a counterweight after passing through the driving wheel, the car sheave 10, the counterweight sheave 11, the traction sheave 12, and the steering sheave 13.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A traction apparatus for an elevator, characterized in that: comprises a driving mechanism and a monitoring mechanism (5), wherein the driving mechanism comprises a traction steel wire rope (2), a traction wheel assembly, a variable base (3) which is detachably arranged in an elevator shaft and a traction machine (1) which is detachably arranged on the variable base (3) and is used for driving the traction steel wire rope (2) to rotate, one end of the traction steel wire rope (2) is connected with a lift car on the elevator, the other end of the traction steel wire rope is connected with a counterweight on the elevator through the traction wheel assembly, the monitoring mechanism (5) comprises a user terminal (51), an electrically connected main control module (52) and a data set module (53), the main control module (52) is electrically connected with the data set module (53), the user terminal (51) is interacted with the main control module (52) through the data set module (53), the variable base (3) comprises a first frame (6) and a second frame (7), the first frame (6) comprises a first main frame body (61) and two first expansion frame bodies which are arranged on the first main frame body (61) in a relative sliding manner, the second frame body (7) comprises a second main frame body (71) and two second expansion frame bodies (71) which are arranged on the second main frame body (71) in a relative manner, still including setting up the first driving piece on first body support body (61) and setting up the second driving piece on second body support body (71), the second driving piece is the same with first driving piece structure, first driving piece includes first screw rod (8), first driving motor (4) and two first screw thread seat (9), first screw rod (8) rotate and set up on first body support body (61), first driving motor (4) set up on first body support body (61) and the output shaft of first driving motor (4) is connected and can drive its rotation with first screw rod (8), be provided with two sets of symmetry and the opposite first screw thread section of screw thread on first screw rod (8), every first screw thread seat (9) all the thread bush is established on first screw thread section and every first screw thread seat (9) all is connected with first extension support body.
2. The hoisting device for an elevator as claimed in claim 1, characterized in that: the first main frame body (61) is provided with a groove and a hasp at the groove, the second main frame body (71) is provided with an extension plate and a hasp ring, and the extension plate is clamped into the groove and the hasp is movably connected with the hasp ring.
3. The hoisting device for an elevator as claimed in claim 1, characterized in that: the main control module (52) comprises a CPU controller (521), a signal processing module (522), a storage module (523) and a communication module (524), wherein the signal processing module (522) is electrically connected with the CPU controller (521), the data set module (53) comprises a rotating speed sensor (531), a temperature sensor (532), a video sensor (533) and a magnetic flux sensor (534), the rotating speed sensor (531) is electrically connected with the signal processing module (522) and is arranged on an output shaft of the driving mechanism traction machine (1), the temperature sensor (532) is arranged on an outer ring of a bearing of the driving mechanism traction machine (1), the video sensor (533) is arranged in an elevator hoistway, the magnetic flux sensor (534) is arranged on the driving mechanism traction steel wire rope (2), and the user terminal (51) and the cloud server are in wireless interaction with the CPU controller (521) through the communication module (524).
4. A hoisting device for an elevator as claimed in claim 3, characterized in that: also comprises an alarm module connected with the CPU controller (521).
5. The hoisting device for an elevator as claimed in claim 1, characterized in that: an adjustable ladder removably disposed within the hoistway is also included.
6. The hoisting device for an elevator as claimed in claim 1, characterized in that: the traction wheel assembly comprises a driving wheel connected with an output shaft of the traction machine (1), a car wheel (10) arranged in a well, a counterweight wheel (11), a traction wheel (12) and a steering wheel (13), wherein one end of the traction steel wire rope (2) is connected with a car on an elevator, and the other end of the traction steel wire rope is connected with the counterweight after passing through the driving wheel, the car wheel (10), the counterweight wheel (11), the traction wheel (12) and the steering wheel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021488.0A CN114348832B (en) | 2022-01-10 | 2022-01-10 | Traction equipment for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021488.0A CN114348832B (en) | 2022-01-10 | 2022-01-10 | Traction equipment for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114348832A CN114348832A (en) | 2022-04-15 |
| CN114348832B true CN114348832B (en) | 2024-01-26 |
Family
ID=81110114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210021488.0A Active CN114348832B (en) | 2022-01-10 | 2022-01-10 | Traction equipment for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114348832B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203513049U (en) * | 2013-09-20 | 2014-04-02 | 湖南信达电梯股份有限公司 | Intelligent tractor base and device |
| CN105084184A (en) * | 2015-08-13 | 2015-11-25 | 重庆威斯特电梯有限公司 | Tractor rack |
| CN107902515A (en) * | 2017-12-14 | 2018-04-13 | 成都众柴科技有限公司 | A kind of traction and forcibly driving elevator real time on-line safety monitoring system and its implementation |
| CN109502457A (en) * | 2017-09-14 | 2019-03-22 | 上海三菱电梯有限公司 | Elevator traction base and the lift appliance for using the elevator traction base |
| CN109665416A (en) * | 2017-10-17 | 2019-04-23 | 陕西小溪机电科技有限公司 | A kind of counterweight arragement construction in elevator traction system |
-
2022
- 2022-01-10 CN CN202210021488.0A patent/CN114348832B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203513049U (en) * | 2013-09-20 | 2014-04-02 | 湖南信达电梯股份有限公司 | Intelligent tractor base and device |
| CN105084184A (en) * | 2015-08-13 | 2015-11-25 | 重庆威斯特电梯有限公司 | Tractor rack |
| CN109502457A (en) * | 2017-09-14 | 2019-03-22 | 上海三菱电梯有限公司 | Elevator traction base and the lift appliance for using the elevator traction base |
| CN109665416A (en) * | 2017-10-17 | 2019-04-23 | 陕西小溪机电科技有限公司 | A kind of counterweight arragement construction in elevator traction system |
| CN107902515A (en) * | 2017-12-14 | 2018-04-13 | 成都众柴科技有限公司 | A kind of traction and forcibly driving elevator real time on-line safety monitoring system and its implementation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114348832A (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112666007A (en) | Steel wire rope bending fatigue testing device and testing method | |
| CN114348832B (en) | Traction equipment for elevator | |
| CN104967050B (en) | Electronic manned driving can be drawn | |
| CN111077622B (en) | Subway cable laying trolley, control system and control method | |
| CN205919969U (en) | Car loading brake performance detection device | |
| CN209685211U (en) | Hang track-type facilities | |
| CN210457274U (en) | Traction device for hoisting trolley | |
| CN203132756U (en) | Automobile brake rotary drum running-in and brake performance testing apparatus | |
| CN111559713A (en) | Hoisting system | |
| CN109516343A (en) | A kind of KR technique stirring desulphurization lift cart anti-block device | |
| CN209367590U (en) | A kind of hoisting rope for elevator real-time monitoring device | |
| CN201295825Y (en) | Ribbed slab draw-in device in hull planar section production line | |
| CN106185620A (en) | A kind of bundled steel wire handling apparatus | |
| CN214666977U (en) | Winch system test equipment for helicopter | |
| CN102962266A (en) | System for feeding bars to cooling bed at high speed in short distance | |
| CN209442472U (en) | A kind of KR technique stirring desulphurization lift cart anti-block device | |
| CN206544874U (en) | A kind of industrial lifting machine | |
| CN211444482U (en) | Outgoing line counter based on intelligent system | |
| CN114608983A (en) | Synchronous torsional fatigue test device for lifting ring handrail | |
| CN208994868U (en) | A kind of adjustable tensioner | |
| CN219163083U (en) | Cable processing cantilever single-hinge machine | |
| CN219259374U (en) | Steel wire rope on-line detection follow-up device | |
| CN208621216U (en) | One kind being used for dynamometer motor testing stand vertical lifting device | |
| CN219448991U (en) | Guide rail mounting device for elevator | |
| CN216525271U (en) | Elevator steel wire rope fatigue strength detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |