CN220502539U - Elevator brake release device - Google Patents
Elevator brake release device Download PDFInfo
- Publication number
- CN220502539U CN220502539U CN202322198002.3U CN202322198002U CN220502539U CN 220502539 U CN220502539 U CN 220502539U CN 202322198002 U CN202322198002 U CN 202322198002U CN 220502539 U CN220502539 U CN 220502539U
- Authority
- CN
- China
- Prior art keywords
- brake release
- fixedly connected
- release box
- telescopic
- rear end
- 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 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses an elevator brake release device which comprises a fixed plate, a transmission mechanism, a linkage mechanism and a telescopic mechanism, wherein the fixed plate is arranged on the fixed plate; and (3) fixing plates: the rear end of the brake release box is fixedly connected with a brake release box, the rear end of the brake release box is fixedly connected with a dustproof shell, the inside of the brake release box is rotationally connected with symmetrically distributed rotating shafts, gears are fixedly sleeved on the outer cambered surfaces of the rotating shafts, a clamping plate is arranged on the outer surfaces of the rotating shafts, and the gears are positioned at the front ends of the clamping plates; and a linkage mechanism: the device is arranged at the lower side of the rear end of the brake release box, the linkage mechanism is connected with the transmission mechanism in a meshed manner, and the linkage mechanism is matched with the gear; this elevator stopper brake release device drives the part through the motor rotation and upwards promotes and reach the effect of releasing the brake, takes place the emergency and takes place to take out off the linkage part through fast and make the below mechanism lack supporting force and kick-back rapidly after cutting off the power supply, realizes carrying out the clamping fixed locking to the output pivot of hauler.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator brake release device.
Background
Elevators are known as vertical transportation means within a building. The elevator brings convenience to the life of people and provides strong guarantee for the accelerated development of modern construction in China, and in the running process of the elevator, an elevator brake release device is needed for preventing the loss of life and property installation;
the traditional elevator brake release device is partially used for rapidly fixing and locking or releasing the brake by pushing the clamping device through the electric pushing rod;
the existing problem is that the traditional elevator brake release device is partially clamped and fixed through mechanical pushing, the speed is low, and the clamping and fixing cannot be realized quickly.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the brake release device for the elevator brake, which drives parts to be lifted upwards through the rotation of a motor to achieve a brake release effect, and after the emergency is powered off, the lower mechanism is quickly rebounded due to lack of supporting force through quick pulling away of the linkage parts, so that the clamping, fixing and locking of an output rotating shaft of a traction machine are realized, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an elevator brake release device comprises a fixed plate, a transmission mechanism, a linkage mechanism and a telescopic mechanism;
and (3) fixing plates: the rear end of the brake release box is fixedly connected with a brake release box, the rear end of the brake release box is fixedly connected with a dustproof shell, the inside of the brake release box is rotationally connected with symmetrically distributed rotating shafts, gears are fixedly sleeved on the outer cambered surfaces of the rotating shafts, a clamping plate is arranged on the outer surfaces of the rotating shafts, and the gears are positioned at the front ends of the clamping plates;
a transmission mechanism: the device is arranged on the upper side of the rear end of the brake release box;
and a linkage mechanism: the device is arranged at the lower side of the rear end of the brake release box, the linkage mechanism is connected with the transmission mechanism in a meshed manner, and the linkage mechanism is matched with the gear;
a telescopic mechanism: the device is arranged on the left side and the right side of the brake release box, the lower ends of the telescopic mechanisms are fixedly connected with the upper ends of the clamping plates respectively, the parts are driven to be lifted upwards through motor rotation to achieve the brake release effect, after the emergency occurs power failure, the linkage parts are rapidly pulled away, the lower mechanisms lack of supporting force and rebound rapidly, and clamping, fixing and locking of an output rotating shaft of the traction machine are achieved.
Further, the motor control device also comprises a control switch, wherein the control switch is positioned outside the fixed plate, the input end of the control switch is electrically connected with an external power supply, and the normal operation of the motor is regulated and controlled.
Further, the transmission mechanism comprises a driving motor, a rotating shaft and a transmission gear, wherein the driving motor is connected to the upper side of the rear end of the brake release box through uniformly distributed screws, an output shaft of the driving motor is rotationally connected with the rear end of the brake release box through a bearing, the front end of the output shaft of the driving motor is fixedly connected with the rotating shaft, the front end of the rotating shaft is fixedly connected with the transmission gear, and the input end of the driving motor is electrically connected with the output end of the control switch to provide power support for brake release.
Further link gear includes electromagnetic sheet, round iron sheet, support frame, spring, spliced pole, baffle and linkage gear, support frame fixedly connected with is in the rear end downside of brake release case, through slide hole sliding connection's spliced pole between support frame and the brake release case, the extrados fixedly connected with baffle of spliced pole, spout sliding connection that baffle and support frame left and right sides were seted up, fixedly connected with spring between baffle and the support frame, the surface of spliced pole is located to the spring movable sleeve, the front end rotation of spliced pole is connected with the linkage gear, the linkage gear is connected with drive gear meshing, linkage gear and gear cooperation installation, the rear end fixedly connected with electromagnetic sheet of spliced pole, the rear end fixedly connected with round iron sheet of support frame, the output of control switch is connected to the input electricity of electromagnetic sheet, play and provide the rotatory effect of connection.
Further, telescopic machanism includes connecting plate, extension spring, fixed column, spacing ring, brace table, flexible slide and connecting seat, the connecting plate is fixed connection in the upper end left and right sides of brake case respectively, the equal fixedly connected with brace table of lower extreme of connecting plate, the upper end inner wall fixedly connected with fixed column of brace table, the lower extreme extrados of fixed column is sliding connection spacing ring and flexible slide respectively, the lower extreme of spacing ring all with the upper end fixed connection of flexible slide, equal fixedly connected with extension spring between the upper end inner wall of spacing ring and brace table, the surface of fixed column is located to the equal movable sleeve of extension spring, the equal sliding connection of upper end of pressfitting plate has the connecting seat, the upper end of connecting seat is all connected through the round pin axle rotation with the lower extreme of vertical adjacent flexible slide, realize quick rebound clamp.
Further, the quick fixing device further comprises friction gaskets, wherein the friction gaskets are fixedly connected to the clamping surfaces of the clamping plates, so that the contact friction force is increased, and quick fixing is realized.
Further, the fixing plate further comprises mounting holes, wherein the mounting holes are respectively formed in the left side and the right side of the upper end of the fixing plate, and the upper frame body is quickly and stably fixed.
Compared with the prior art, the utility model has the beneficial effects that: the elevator brake release device has the following advantages:
in the in-service use of elevator stopper device that loosens the brake, the staff passes through the control switch regulation and control, start driving motor, driving motor's output shaft rotates and drives the rotation axis and rotate, the rotation axis is then driven drive gear and is rotated, power support for below equipment provides, the staff passes through the control switch regulation and control, make the electromagnetism piece circular telegram produce magnetic force, the electromagnetism piece adsorbs with round iron piece magnetic force, and then drive the spliced pole and move forward, make the linkage gear remove to between drive gear and the gear, drive the linkage gear through the meshing and rotate, make the linkage gear drive below two gears rotate, thereby make the pivot drive the clamp plate upwards rotate, make the clamp plate drive flexible slide cylinder upwards through the connecting seat and remove, and then make flexible slide cylinder oppression extension spring, thereby reach the effect that reaches the brake to the output pivot of hauler, after the emergency takes place the outage, make the clamp plate lose ascending holding power under the spring force effect, make the flexible slide cylinder move down through meshing drive the clamp plate through meshing, make the clamp plate drive down and make the clamp plate rotate, make the emergency take place under the clamp plate, the emergency and make the emergency take place, the clamp plate rotate and make the clamp plate rotate, the emergency is out, the effect is realized, the emergency is realized, and the clamp is fast to the clamp down, the clamp is rotated, and the emergency is broken down.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the transmission mechanism of the present utility model;
FIG. 3 is a schematic cross-sectional view of the linkage mechanism of the present utility model;
fig. 4 is a schematic cross-sectional view of the telescopic mechanism of the present utility model.
In the figure: the device comprises a fixed plate 1, a transmission mechanism 2, a driving motor 21, a rotating shaft 22, a transmission gear 23, a linkage mechanism 3, a magnetic sheet 31, a round iron sheet 32, a supporting frame 33, a spring 34, a connecting column 35, a baffle plate 36, a linkage gear 37, a telescopic mechanism 4, a connecting plate 41, a telescopic spring 42, a fixed column 43, a limiting ring 44, a supporting table 45, a telescopic sliding cylinder 46, a connecting seat 47, a friction gasket 5, a control switch 6, a mounting hole 7, a brake release box 8, a dustproof shell 9, a gear 10, a rotating shaft 11 and a sandwich plate 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: an elevator brake release device comprises a fixed plate 1, a transmission mechanism 2, a linkage mechanism 3 and a telescopic mechanism 4;
fixing plate 1: the rear end of the brake release box is fixedly connected with a brake release box 8, the rear end of the brake release box 8 is fixedly connected with a dustproof shell 9, the inside of the brake release box 8 is rotationally connected with symmetrically distributed rotating shafts 11, gear wheels 10 are fixedly sleeved on the outer cambered surfaces of the rotating shafts 11, a clamping plate 12 is arranged on the outer surfaces of the rotating shafts 11, the gear wheels 10 are positioned at the front end of the clamping plate 12, the brake release box further comprises a control switch 6, the control switch 6 is positioned outside the fixing plate 1, the input end of the control switch 6 is electrically connected with an external power supply, the brake release box further comprises friction gaskets 5, the friction gaskets 5 are fixedly connected with the clamping surfaces of the clamping plate 12, the brake release box further comprises mounting holes 7, and the mounting holes 7 are respectively formed in the left side and the right side of the upper end of the fixing plate 1;
and a transmission mechanism 2: the transmission mechanism 2 comprises a driving motor 21, a rotating shaft 22 and a transmission gear 23, wherein the driving motor 21 is connected to the upper side of the rear end of the brake release box 8 through uniformly distributed screws, an output shaft of the driving motor 21 is rotationally connected with the rear end of the brake release box 8 through a bearing, the front end of the output shaft of the driving motor 21 is fixedly connected with the rotating shaft 22, the front end of the rotating shaft 22 is fixedly connected with the transmission gear 23, the input end of the driving motor 21 is electrically connected with the output end of the control switch 6, the output shaft of the driving motor 21 rotates to drive the rotating shaft 22 to rotate, and the rotating shaft 22 further drives the transmission gear 23 to rotate, so that power support is provided for lower equipment;
linkage 3: the device is arranged at the lower side of the rear end of the brake release box 8, the linkage mechanism 3 is meshed with the transmission mechanism 2, the linkage mechanism 3 is matched with the gear 10, the linkage mechanism 3 comprises an electromagnetic sheet 31, a round iron sheet 32, a support frame 33, a spring 34, a connecting column 35, a baffle plate 36 and a linkage gear 37, the support frame 33 is fixedly connected at the lower side of the rear end of the brake release box 8, the support frame 33 is slidably connected with the connecting column 35 through a sliding hole, the baffle plate 36 is fixedly connected with the outer cambered surface of the connecting column 35, the baffle plate 36 is slidably connected with sliding grooves formed at the left side and the right side of the support frame 33, the spring 34 is fixedly connected with the spring 34 between the baffle plate 36 and the support frame 33, the spring 34 is movably sleeved on the outer surface of the connecting column 35, the front end of the connecting column 35 is rotatably connected with the linkage gear 37, the linkage gear 37 is meshed with the transmission gear 23, the linkage gear 37 is matched with the gear 10, the rear end of the connecting column 35 is fixedly connected with the electromagnetic sheet 31, the rear end of the supporting frame 33 is fixedly connected with the round iron sheet 32, the input end of the electromagnetic sheet 31 is electrically connected with the output end of the control switch 6, the electromagnetic sheet 31 is electrified to generate magnetic force, the electromagnetic sheet 31 and the round iron sheet 32 are magnetically adsorbed, the connecting column 35 is further driven to move forwards, the linkage gear 37 is moved between the transmission gear 23 and the gear 10, after the emergency is powered off, the electromagnetic sheet 31 is powered off, the connecting column 35 drives the linkage gear 37 to move backwards under the action of the resilience force of the spring 34, and the linkage gear 37 is separated from the transmission gear 23 and the gear 10;
telescoping mechanism 4: the telescopic mechanism 4 comprises a connecting plate 41, a telescopic spring 42, a fixed column 43, a limiting ring 44, a supporting table 45, a telescopic slide cylinder 46 and a connecting seat 47, wherein the connecting plate 41 is fixedly connected to the left side and the right side of the upper end of the brake box 8 respectively, the supporting table 45 is fixedly connected to the lower end of the connecting plate 41, the fixed column 43 is fixedly connected to the inner wall of the upper end of the supporting table 45, the limiting ring 44 and the telescopic slide cylinder 46 are respectively and slidably connected to the outer cambered surface of the lower end of the fixed column 43, the telescopic spring 42 is fixedly connected to the upper end of the telescopic slide cylinder 46, the telescopic spring 42 is movably sleeved on the outer surface of the fixed column 43, the connecting seat 47 is fixedly connected to the upper end of the telescopic slide cylinder 12 respectively, the upper end of the connecting seat 47 and the lower end of the vertically adjacent telescopic slide cylinder 46 are rotatably connected through a pin shaft, when the brake is in a brake, the telescopic slide cylinder 46 is driven by the connecting seat 47 to move through the upper end inner wall of the supporting table 45, the telescopic slide cylinder 46 is enabled to move upwards, the telescopic slide cylinder 46 is enabled to be prevented to be in a state of losing the effect of being pushed upwards by the telescopic slide cylinder 46, and the telescopic slide cylinder 46 is enabled to be locked, and the effect of the telescopic slide cylinder 46 is prevented from being pushed upwards by the upper and being reached, and the elastic slide spring is enabled to be out of the elastic and the elastic slide cylinder 46 is enabled to be under the effect when the elastic slide is caused to be, and the elastic spring is caused to be the elastic and the elastic.
The utility model provides an elevator brake release device, which has the following working principle: the fixed plate 1 is carried to the installation position of the brake release device of the elevator brake, the fixed plate 1 and the upper frame body are quickly and stably fixed through the threaded connection of an external bolt and the threaded hole of the installation position of the brake release device of the elevator brake through the installation hole 7, a worker starts the driving motor 21 through the regulation and control of the control switch 6, the output shaft of the driving motor 21 rotates to drive the rotating shaft 22 to rotate, the rotating shaft 22 further drives the transmission gear 23 to rotate, power support is provided for lower equipment, the worker electrifies the electromagnetic sheet 31 to generate magnetic force through the regulation and control of the control switch 6, the electromagnetic sheet 31 and the round iron sheet 32 are magnetically adsorbed, the connecting column 35 is driven to move forwards, the linkage gear 37 is driven to move between the transmission gear 23 and the gear 10, the transmission gear 23 drives the linkage gear 37 to rotate through meshing, the linkage gear 37 drives the lower two gears 10 to rotate, so that the rotating shaft 11 drives the clamping plate 12 to rotate upwards, the clamping plate 12 drives the telescopic sliding cylinder 46 to move upwards through the connecting seat 47, the connecting seat 47 slides at the upper end of the clamping plate 12, the telescopic sliding cylinder 46 and the lower end of the telescopic sliding cylinder 46 are both adapted to rotate through the pin shafts, and the telescopic sliding cylinder 46 presses the telescopic spring 42, so that the effect of releasing the output rotating shaft of the traction machine is achieved, when the emergency is powered off, the electromagnetic sheet 31 is powered off, the connecting column 35 drives the linkage gear 37 to move backwards under the action of the resilience force of the spring 34, the linkage gear 37 is separated from the space between the transmission gear 23 and the gear 10, the clamping plate 12 loses upward supporting force, the telescopic sliding cylinder 46 moves downwards to return under the action of the resilience force of the telescopic spring 42, the telescopic sliding cylinder 46 drives the clamping plate 12 to move downwards through the connecting seat 47, the two clamping plates 12 clamp and fix the output rotating shaft of the traction machine, thereby preventing the elevator from sliding to cause loss.
It should be noted that the driving motor 21 disclosed in the above embodiment may be ML801-2, and the control switch 6 is provided with a switch button corresponding to the driving motor 21 for controlling the switching operation thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An elevator brake release device, its characterized in that: comprises a fixed plate (1), a transmission mechanism (2), a linkage mechanism (3) and a telescopic mechanism (4);
fixing plate (1): the rear end of the brake release box is fixedly connected with a brake release box (8), the rear end of the brake release box (8) is fixedly connected with a dustproof shell (9), a rotating shaft (11) which is symmetrically distributed is rotationally connected in the brake release box (8), gears (10) are fixedly sleeved on the outer cambered surfaces of the rotating shaft (11), a clamping plate (12) is arranged on the outer surfaces of the rotating shaft (11), and the gears (10) are positioned at the front ends of the clamping plates (12);
transmission mechanism (2): the device is arranged on the upper side of the rear end of the brake release box (8);
linkage (3): the device is arranged at the lower side of the rear end of the brake release box (8), the linkage mechanism (3) is in meshed connection with the transmission mechanism (2), and the linkage mechanism (3) is matched with the gear (10);
telescoping mechanism (4): the telescopic mechanism is arranged on the left side and the right side of the brake release box (8), and the lower ends of the telescopic mechanisms (4) are fixedly connected with the upper ends of the clamping plates (12) respectively.
2. An elevator brake release device according to claim 1, characterized in that: the control device is characterized by further comprising a control switch (6), wherein the control switch (6) is positioned outside the fixed plate (1), and the input end of the control switch (6) is electrically connected with an external power supply.
3. An elevator brake release device according to claim 2, characterized in that: the transmission mechanism (2) comprises a driving motor (21), a rotating shaft (22) and a transmission gear (23), wherein the driving motor (21) is connected to the upper side of the rear end of the brake release box (8) through uniformly distributed screws, an output shaft of the driving motor (21) is rotatably connected with the rear end of the brake release box (8) through a bearing, the front end of the output shaft of the driving motor (21) is fixedly connected with the rotating shaft (22), the front end of the rotating shaft (22) is fixedly connected with the transmission gear (23), and the input end of the driving motor (21) is electrically connected with the output end of the control switch (6).
4. An elevator brake release device according to claim 3, characterized in that: the linkage mechanism (3) comprises an electromagnetic sheet (31), a round iron sheet (32), a support frame (33), a spring (34), a connecting column (35), a baffle plate (36) and a linkage gear (37), wherein the support frame (33) is fixedly connected to the lower side of the rear end of a brake release box (8), the connecting column (35) is fixedly connected between the support frame (33) and the brake release box (8) through a sliding hole, the baffle plate (36) is fixedly connected to the outer arc surface of the connecting column (35), the baffle plate (36) is fixedly connected with sliding grooves formed in the left side and the right side of the support frame (33), the spring (34) is fixedly connected with the spring (34) between the baffle plate (36) and the support frame (33), the spring (34) is movably sleeved on the outer surface of the connecting column (35), the front end of the connecting column (35) is rotationally connected with the linkage gear (37), the linkage gear (37) is meshed with the transmission gear (23), the linkage gear (37) is matched and installed with the gear (10), the rear end of the connecting column (35) is fixedly connected with the electromagnetic sheet (31), the rear end of the support frame (33) is fixedly connected with the round iron sheet (32), the output end of the electromagnetic sheet (31), and the output end is fixedly connected with the output end of the electromagnetic sheet (31) and the electric control end (6).
5. An elevator brake release device according to claim 1, characterized in that: the telescopic mechanism (4) comprises a connecting plate (41), a telescopic spring (42), a fixed column (43), a limiting ring (44), a supporting table (45), a telescopic sliding cylinder (46) and a connecting seat (47), wherein the connecting plate (41) is fixedly connected to the left side and the right side of the upper end of a brake release box (8) respectively, the supporting table (45) is fixedly connected to the lower end of the connecting plate (41), the fixed column (43) is fixedly connected to the inner wall of the upper end of the supporting table (45), the limiting ring (44) and the telescopic sliding cylinder (46) are respectively and slidably connected to the outer cambered surface of the lower end of the fixed column (43), the lower end of the limiting ring (44) is fixedly connected with the upper end of the telescopic sliding cylinder (46), the telescopic spring (42) is fixedly connected to the upper end of the inner wall of the upper end of the supporting table (45) and is fixedly connected with the telescopic spring (42), the outer surface of the fixed column (43) is movably sleeved in a sleeved mode, the upper end of the clamping plate (12) is fixedly connected with the connecting seat (47), and the upper end of the connecting seat (47) is fixedly connected to the lower end of the adjacent telescopic sliding cylinder (46) through a pin shaft.
6. An elevator brake release device according to claim 1, characterized in that: the novel clutch plate further comprises friction gaskets (5), and the friction gaskets (5) are fixedly connected to the clamping surfaces of the clamping plates (12).
7. An elevator brake release device according to claim 1, characterized in that: the fixing plate also comprises mounting holes (7), wherein the mounting holes (7) are respectively arranged on the left side and the right side of the upper end of the fixing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198002.3U CN220502539U (en) | 2023-08-16 | 2023-08-16 | Elevator brake release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198002.3U CN220502539U (en) | 2023-08-16 | 2023-08-16 | Elevator brake release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220502539U true CN220502539U (en) | 2024-02-20 |
Family
ID=89876886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322198002.3U Active CN220502539U (en) | 2023-08-16 | 2023-08-16 | Elevator brake release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220502539U (en) |
-
2023
- 2023-08-16 CN CN202322198002.3U patent/CN220502539U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732737B (en) | Multifunctional maintenance vehicle for handcart type circuit breaker of centrally installed switchgear | |
| CN102730525B (en) | Elevator equipment | |
| CN220502539U (en) | Elevator brake release device | |
| CN220313310U (en) | Vehicle-mounted movable safety tool cabinet | |
| CN105570357A (en) | Manual releasing device and brake using same | |
| CN206397415U (en) | A kind of electric-hand driven two-purpose rolling screen door | |
| CN203506342U (en) | Automatic double-shaft curtain controller | |
| CN217807694U (en) | Coiling mechanism of elastic cord production usefulness | |
| CN103448700A (en) | Dual-pedal operating mechanism of auxiliary driving cab of instructional car | |
| CN217045601U (en) | Magnetic card lock device for stopping numerical control machine tool spindle | |
| CN102678787A (en) | Double-control energy-saving brake | |
| CN207348625U (en) | The decelerating motor of automatic door lock | |
| CN208093382U (en) | A kind of switchgear and its breaker emergency brake-dividing device | |
| CN207620686U (en) | Rolling screen door | |
| CN207226892U (en) | A kind of brake device for elevator of improvement | |
| CN219893116U (en) | Brake system of gear motor | |
| CN216854138U (en) | Manual clutch mechanism for movable compact shelf | |
| CN217730217U (en) | Gear shift device for preventing gear shift | |
| CN220011977U (en) | Brake release device of elevator brake | |
| CN210617016U (en) | Carbon fiber winding cask type preform tension control device | |
| CN216589831U (en) | Differential mechanism shell assembly for transmission | |
| CN213326092U (en) | Automatic take-up device for communication engineering construction | |
| CN105722755A (en) | Movable foot plate | |
| CN216155375U (en) | Lifting set device for building electrical construction | |
| CN216863487U (en) | Special hydraulic pressure station of new forms of energy winding equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |