CN113697632A - Emergency blocking device for lift car elevator - Google Patents
Emergency blocking device for lift car elevator Download PDFInfo
- Publication number
- CN113697632A CN113697632A CN202111042289.XA CN202111042289A CN113697632A CN 113697632 A CN113697632 A CN 113697632A CN 202111042289 A CN202111042289 A CN 202111042289A CN 113697632 A CN113697632 A CN 113697632A
- Authority
- CN
- China
- Prior art keywords
- car
- plate
- car elevator
- electric telescopic
- fixed
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
Abstract
The invention relates to the technical field of car elevators, in particular to an emergency stopping device of a car elevator, wherein a plurality of supporting plates are fixedly arranged on the side surface of a reinforcing plate, and the supporting plates are the same in interval; has the advantages that: there is the reinforcing plate bottom side surface mounting at car elevator, the side surface mounting backup pad of reinforcing plate, the bottom bulk strength of car elevator has been strengthened greatly, prevent that car elevator from falling the back bottom damage, lead to the passenger on hand, simultaneously when car elevator descends rapidly, by speed sensor's effect, the speed that detects car elevator rises suddenly, at this moment speed sensor sends signal to four electric telescopic handle immediately, four electric telescopic handle extend immediately, contact with the elevartor shaft, carry out the operation of scram to car elevator, guarantee that the descending speed of car elevator descends by a wide margin, the inside personnel safety of protection car elevator.
Description
Technical Field
The invention relates to the technical field of car elevators, in particular to an emergency blocking device of a car elevator.
Background
The car is a box-shaped space used by elevators to carry and transport people and materials. The car is generally composed of main components such as a car bottom, a car wall, a car roof, a car door and the like. Is a body part of an elevator for carrying passengers or cargo and other loads. Suspended ceilings are typically of specular stainless steel material; the car bottom is a PVC marble floor with the thickness of 2mm or a marble parquet with the thickness of 20 mm.
The clear height of the inside of the car is not less than 2m, the clear height of a user entering and exiting the entrance of the car normally is not less than 2m, and for the concave and convex parts of the car, whether the concave and convex parts are protected by a single door or not, the maximum effective area of the car needs to be calculated when the maximum effective area of the car is calculated, and when the door is closed, any effective area of the entrance of the car also needs to be calculated.
When a general car elevator is in use, if a fault occurs, the general car elevator can rapidly descend at a high probability, and if the descending speed of the car elevator is not timely reduced, passengers can be irreversibly injured.
Disclosure of Invention
The invention aims to provide an emergency stopping device of a car elevator, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
emergent arresting gear of car elevator, emergent arresting gear of car elevator includes
The number of the reinforcing plates is two, a protection plate is fixedly arranged on one side of each reinforcing plate, the two reinforcing plates are fixedly arranged at the edges of two sides of the protection plate, a plurality of supporting plates are fixedly arranged on the side surfaces of the reinforcing plates, and the distances between the supporting plates are the same;
the car main part, car main part's upper surface center department is fixed to be provided with and holds the chamber, the fixed electric telescopic handle that is provided with in side surface that holds the chamber, electric telescopic handle's electrified machine certainly is located hold the inside in chamber, electric telescopic handle is four, four electric telescopic handle is the cross setting.
Through the technical scheme, there is the reinforcing plate bottom side surface mounting at car elevator, the side surface mounting backup pad of reinforcing plate, the bottom bulk strength of car elevator has been strengthened greatly, prevent that car elevator from falling the back bottom damage, lead to the passenger on hand, simultaneously when car elevator descends rapidly, by speed sensor's effect, the speed that detects car elevator rises suddenly, at this moment speed sensor sends signal to four electric telescopic handle immediately, four electric telescopic handle extend immediately, contact with the elevartor shaft, the operation of scram is carried out to car elevator, guarantee the descending speed of car elevator and descend greatly, the inside personal safety of protection car elevator.
Preferably, the upper surface of the accommodating cavity is fixedly provided with a speed sensor, and the output end of the speed sensor is connected with the input end of the electric telescopic rod through a signal.
Through above-mentioned technical scheme, by speed sensor's effect, the speed of the rising and the decline of real-time supervision car main part, when speed is obviously greater than the safe value then send the signal to electric telescopic handle immediately, and this safe value is according to actual conditions self-setting.
Preferably, the bottom surface of backup pad is fixed and is provided with the shock attenuation board, the material of shock attenuation board is the rubber-like, the shock attenuation board is square.
Through above-mentioned technical scheme, the shock attenuation board sets up in the bottom of backup pad, can play absorbing effect, can protect the reinforcing plate, is the rubber system because of the shock attenuation board simultaneously, consequently, can not cause the cracked bottom of running through car main body with the shock attenuation board after the collision.
Preferably, the fixed bracing piece that is provided with in both sides surface of reinforcing plate, the bracing piece with the angle that forms between the reinforcing plate is greater than one hundred degrees, the bottom of bracing piece is provided with buffer spring.
Through above-mentioned technical scheme, because of the angle that forms between bracing piece and the reinforcing plate is greater than one hundred degrees, can guarantee like this that the bracing piece can be earlier one step more than the bottom surface that car main part contacted the elevartor shaft when taking place the speed and fall, make the protection to car main part, and through buffer spring's effect, dissolve partial impact force, guarantee that minimum impact force and car main part contact mutually.
Preferably, the upper end of the buffer spring is fixedly provided with a connecting plate, the buffer spring is fixedly connected with the bottom surface of the supporting rod through the connecting plate, the bottom end of the buffer spring is fixedly provided with a buffer plate, and the bottom surface of the buffer plate is an anti-skid surface.
Through above-mentioned technical scheme, through buffer spring's effect, produced huge impact force carries out most when can contacting buffer board and bottom surface and offsets to ensure safety, the non-skid surface of buffer board bottom surface then prevents that car main part from appearing sliding after direct and the ground contact simultaneously.
Preferably, the inner center of the buffer spring is hollow, an air cylinder rod is fixedly arranged at the inner center of the buffer spring and is divided into two parts, the first part is an air cylinder, the second part is a telescopic rod, the telescopic rod is arranged inside the air cylinder, the bottom of the air cylinder is fixed on the upper surface of the buffer plate, and the top of the telescopic rod is fixed on the lower surface of the connecting plate.
Through above-mentioned technical scheme, by the effect of cylinder, the guide piston carries out linear motion in the jar, and gas accepts the piston compression and improve pressure in the compressor cylinder to supplementary buffer spring furthest offsets outside impact force.
Preferably, a fixed pore plate is fixedly arranged at the edge of one side of the upper surface of the reinforcing plate, and the position of the fixed pore plate corresponds to the position of the supporting rod one to one.
Through above-mentioned technical scheme, through the effect of fixed orifice plate, be convenient for be connected whole reinforcing plate and car main part, prevent to take place between reinforcing plate and the car main part and drop.
Preferably, the fixed interior side board that is provided with of inboard surface of reinforcing plate, the fixed sponge board that is provided with of bottom side surface of reinforcing plate, one side edge of sponge board with the guard plate is fixed continuous.
Preferably, the fixed surface of car main part is provided with the protection roof, the four corners department of protection roof is provided with integrated into one piece's couple.
Use method of emergency blocking device of car elevator
The first step is as follows: the whole car main body is fixedly connected with an external chain through a hook;
the second step is that: when an accident occurs, the speed sensor immediately detects the speed of the whole car main body;
the third step: two values are arranged inside the speed sensor
S1, when the first numerical value is reached, the speed of the numerical value is low, and only a signal is sent to an external worker to remind the worker to maintain the elevator;
s2, when the speed of the numerical value reaches a second numerical value, a signal is immediately sent to the electric telescopic rod when the speed of the numerical value is high, and the electric telescopic rod is extended to contact the elevator shaft to perform speed reduction operation;
the fourth step: the buffer spring and the air cylinder rod assist the electric telescopic rod to perform speed reduction operation on the car body.
Compared with the prior art, the invention has the beneficial effects that:
1. this emergent arrester of car elevator, there is the reinforcing plate at the bottom side surface mounting of car elevator, the side surface mounting backup pad of reinforcing plate, the bottom bulk strength of car elevator has been strengthened greatly, prevent that car elevator from falling the back bottom and damaging, lead to the passenger on hand, simultaneously when car elevator descends rapidly, by speed sensor's effect, the speed that detects car elevator rises suddenly, at this moment speed sensor sends signal to four electric telescopic handle immediately, four electric telescopic handle extend immediately, contact with the elevartor shaft, the operation of scram is carried out to car elevator, guarantee the descending speed of car elevator and descend greatly, the inside personal safety of protection car elevator.
2. This emergent arresting gear of car elevator because of the angle that forms between bracing piece and the reinforcing plate is greater than one hundred degrees, can guarantee like this that the bracing piece can be earlier one step more than the bottom surface that the car main part contacted the elevartor shaft when taking place the speed and dropping, makes the protection to the car main part, and through buffer spring's effect, dissolves partial impact force, guarantees that minimum impact force and car main part contact.
3. This emergent arresting gear of car elevator through buffer spring's effect, produced huge impact force carries out most when can contacting buffer board and bottom surface and offsets to ensure safety, the non-skid surface of buffer board bottom surface then prevents that car main part from appearing sliding after direct and the ground contact simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the reinforcing plate according to the present invention;
FIG. 3 is a schematic view of the overall structure of the buffer spring according to the present invention;
FIG. 4 is a schematic view of the overall structure of the car body of the present invention;
fig. 5 is a schematic structural view of the electric telescopic rod of the present invention.
In the figure: 1. a protective top plate; 2. an electric telescopic rod; 3. an accommodating chamber; 4. a speed sensor; 5. hooking; 6. a car body; 7. a protection plate; 8. a support bar; 9. a buffer plate; 10. a connecting plate; 11. a buffer spring; 12. a reinforcing plate; 13. a support plate; 14. a damper plate; 15. an inner side plate; 16. fixing the orifice plate; 17. a sponge plate; 18. a cylinder rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a technical solution provided by the present invention is:
emergent arresting gear of car elevator, emergent arresting gear of car elevator includes
The number of the reinforcing plates 12 is two, a protection plate 7 is fixedly arranged on one side of each reinforcing plate 12, the two reinforcing plates 12 are fixedly arranged at the edges of two sides of the protection plate 7, a plurality of supporting plates 13 are fixedly arranged on the side surfaces of the reinforcing plates 12, and the distances between the supporting plates 13 are the same;
car main part 6, car main part 6's upper surface center department is fixed to be provided with and holds chamber 3, the fixed electric telescopic handle 2 that is provided with of side surface that holds chamber 3, electric telescopic handle 2 is located from electrified machine hold the inside of chamber 3, electric telescopic handle 2 is four, four electric telescopic handle 2 is the cross setting.
Preferably, a speed sensor 4 is fixedly arranged on the upper surface of the accommodating cavity 3, an output end of the speed sensor 4 is connected with an input end signal of the electric telescopic rod 2, the ascending and descending speeds of the car body 6 are monitored in real time under the action of the speed sensor 4, when the speed is obviously a safe value, a signal is immediately sent to the electric telescopic rod 2, the safe value is set according to the actual situation, a damping plate 14 is fixedly arranged on the bottom surface of the supporting plate 13, the damping plate 14 is made of rubber-like material, the damping plate 14 is square, the damping plate 14 is arranged at the bottom of the supporting plate 13, the damping effect can be achieved, the reinforcing plate 12 can be protected, and meanwhile, the damping plate 14 is made of rubber, so that the damping plate 14 cannot be broken after collision to penetrate through the bottom of the car body 6, supporting rods 8 are fixedly arranged on the surfaces of the two sides of the reinforcing plate 12, the bracing piece 8 with the angle that forms between the reinforcing plate 12 is one hundred degrees, the bottom of bracing piece 8 is provided with buffer spring 11, and the angle that forms between bracing piece 8 and the reinforcing plate 12 is one hundred degrees, can guarantee like this that bracing piece 8 can be earlier one step more than car main body 6 and contact the bottom surface of elevartor shaft when taking place the fast and fall, makes the protection to car main body 6, and through buffer spring 11's effect, resolves partial impact force, guarantees that minimum impact force contacts with car main body 6.
Preferably, the upper end of the buffer spring 11 is fixedly provided with a connecting plate 10, the buffer spring 11 is fixedly connected with the bottom surface of the supporting rod 8 through the connecting plate 10, the bottom end of the buffer spring 11 is fixedly provided with a buffer plate 9, the bottom surface of the buffer plate 9 is an anti-slip surface, and under the action of the buffer spring 11, the great impact force generated when the buffer plate 9 contacts with the bottom surface can be mostly offset, so as to ensure safety, meanwhile, the anti-slip surface on the bottom surface of the buffer plate 9 prevents the car body 6 from directly contacting with the ground and then sliding, the center inside of the buffer spring 11 is hollow, the center inside of the buffer spring 11 is fixedly provided with a cylinder rod 18, the cylinder rod 18 is divided into two parts, the first part is a cylinder, the second part is an expansion link, the expansion link is arranged inside the cylinder, the bottom of the cylinder is fixed on the upper surface of the buffer plate 9, the top of the telescopic rod is fixed on the lower surface of the connecting plate 10, the piston is guided to perform linear motion in the cylinder under the action of the cylinder, gas is compressed by the piston in the compressor cylinder to improve pressure, so that the external impact force is counteracted to the maximum extent by the auxiliary buffer spring 11, a fixed pore plate 16 is fixedly arranged at one side edge of the upper surface of the reinforcing plate 12, the position of the fixed pore plate 16 corresponds to the position of the supporting rod 8 one by one, the whole reinforcing plate 12 is conveniently connected with the car body 6 under the action of the fixed pore plate 16 to prevent the reinforcing plate 12 from falling off from the car body 6, an inner side plate 15 is fixedly arranged on the inner side surface of the reinforcing plate 12, a sponge plate 17 is fixedly arranged on the side surface of the bottom of the reinforcing plate 12, one side edge of the sponge plate 17 is fixedly connected with the protection plate 7, and a protection top plate 1 is fixedly arranged on the upper surface of the car body 6, the four corners of the protection top plate 1 are provided with hooks 5 which are integrally formed.
Use method of emergency blocking device of car elevator
The first step is as follows: the whole car body 6 is fixedly connected with an external chain through a hook 5;
the second step is that: when an accident occurs, the speed sensor 4 immediately detects the speed of the entire car body 6;
the third step: the speed sensor 4 is internally provided with two numerical values
S1, when the first numerical value is reached, the speed of the numerical value is low, and only a signal is sent to an external worker to remind the worker to maintain the elevator;
s2, when the speed of the numerical value reaches a second numerical value, a signal is immediately sent to the electric telescopic rod 2, and the electric telescopic rod 2 is extended to contact the elevator shaft to perform speed reduction operation;
the fourth step: the buffer spring 11 and the air cylinder rod 18 assist the electric telescopic rod 2 to decelerate the car body 6.
When the emergency stopping device for the car elevator is used, the reinforcing plate 12 is arranged on the side surface of the bottom of the car elevator, the supporting plate 13 is arranged on the side surface of the reinforcing plate 12, the integral strength of the bottom of the car elevator is greatly enhanced, the situation that the bottom of the car elevator is damaged after falling is prevented, passengers can hold the elevator on hand, meanwhile, when the car elevator descends rapidly, the rapid rising of the speed of the car elevator is detected under the action of the speed sensor 4, the speed sensor 4 immediately sends a signal to the four electric telescopic rods 2, the four electric telescopic rods 2 extend immediately to be in contact with an elevator shaft, the car elevator is subjected to emergency stop operation, the descending speed of the car elevator is ensured to descend greatly, the safety of personnel in the car elevator is protected, the ascending and descending speeds of the car body 6 are monitored in real time under the action of the speed sensor 4, and when the speed is obviously a safety value, the signal is immediately sent to the electric telescopic rods 2, the safety value is set according to the actual situation, the damping plate 14 is arranged at the bottom of the supporting plate 13, the damping effect can be achieved, the reinforcing plate 12 can be protected, and meanwhile, the damping plate 14 is made of rubber, so that the bottom of the car body 6 cannot be penetrated through due to the fact that the damping plate 14 is broken after collision;
because the angle formed between the support rod 8 and the reinforcing plate 12 is one hundred degrees, the support rod 8 can be ensured to contact the bottom surface of the elevator shaft in one step before the car body 6 contacts the bottom surface of the elevator shaft when the elevator is rapidly descended, the car body 6 is protected, partial impact force is dissolved through the action of the buffer spring 11, the minimum impact force is ensured to be contacted with the car body 6, the large impact force generated when the buffer plate 9 contacts the bottom surface can be mostly offset by the action of the buffer spring 11, thereby ensure safety, the antiskid face of buffer board 9 bottom surface then prevents that car main part 6 from appearing sliding after direct and ground contact simultaneously, and by the effect of cylinder, the guide piston carries out linear motion in the cylinder, and gas accepts the piston compression and improve pressure in the compressor cylinder to supplementary buffer spring 11 maximum offset outside impact force.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an emergent arresting gear of car elevator which characterized in that: the emergency blocking device of the car elevator comprises
The number of the reinforcing plates (12) is two, one side of each reinforcing plate (12) is fixedly provided with a protection plate (7), the two reinforcing plates (12) are fixed at the edges of two sides of the protection plate (7), a plurality of supporting plates (13) are fixedly arranged on the side surfaces of the reinforcing plates (12), and the intervals between the supporting plates (13) are the same;
car main body (6), the fixed chamber (3) that holds that is provided with of upper surface center department of car main body (6), the fixed electric telescopic handle (2) that is provided with of side surface that holds chamber (3), electric telescopic handle (2) from the electrified machine be located hold the inside in chamber (3), electric telescopic handle (2) are four, four electric telescopic handle (2) are the cross setting.
2. The car elevator emergency barrier of claim 1, wherein: the upper surface of the accommodating cavity (3) is fixedly provided with a speed sensor (4), and the output end of the speed sensor (4) is connected with the input end signal of the electric telescopic rod (2).
3. The car elevator emergency barrier of claim 1, wherein: the bottom surface of backup pad (13) is fixed and is provided with shock attenuation board (14), the material of shock attenuation board (14) is the rubber-like, shock attenuation board (14) are square.
4. The car elevator emergency barrier of claim 1, wherein: the utility model discloses a supporting structure, including reinforcing plate (12), bracing piece (8) are fixed to the both sides fixed surface of reinforcing plate (12) and are provided with bracing piece (8), bracing piece (8) with the angle that forms between reinforcing plate (12) is greater than one hundred degrees, the bottom of bracing piece (8) is provided with buffer spring (11).
5. The car elevator emergency barrier of claim 4, wherein: the upper end of the buffer spring (11) is fixedly provided with a connecting plate (10), the buffer spring (11) is fixedly connected with the bottom surface of the supporting rod (8) through the connecting plate (10), the bottom end of the buffer spring (11) is fixedly provided with a buffer plate (9), and the bottom surface of the buffer plate (9) is an anti-skid surface.
6. The car elevator emergency barrier of claim 5, wherein: the inner center of the buffer spring (11) is hollow, an air cylinder rod (18) is fixedly arranged at the inner center of the buffer spring (11), the air cylinder rod (18) is divided into two parts, the first part is an air cylinder, the second part is a telescopic rod, the telescopic rod is arranged inside the air cylinder, the bottom of the air cylinder is fixed on the upper surface of the buffer plate (9), and the top of the telescopic rod is fixed on the lower surface of the connecting plate (10).
7. The car elevator emergency barrier of claim 4, wherein: the edge of one side of the upper surface of the reinforcing plate (12) is fixedly provided with a fixed pore plate (16), and the position of the fixed pore plate (16) corresponds to the position of the supporting rod (8) in a one-to-one manner.
8. The car elevator emergency barrier of claim 1, wherein: the inner side surface of the reinforcing plate (12) is fixedly provided with an inner side plate (15), the side surface of the bottom of the reinforcing plate (12) is fixedly provided with a sponge plate (17), and the edge of one side of the sponge plate (17) is fixedly connected with the protection plate (7).
9. The car elevator emergency barrier of claim 1, wherein: the upper surface of car main part (6) is fixed and is provided with protection roof (1), the four corners department of protection roof (1) is provided with integrated into one piece's couple (5).
10. The use method of the emergency blocking device of the car elevator is characterized in that:
the first step is as follows: the whole car main body (6) is fixedly connected with an external chain through a hook (5);
the second step is that: when an accident occurs, the speed sensor (4) immediately detects the speed of the whole car main body (6);
the third step: two values are arranged in the speed sensor (4)
S1, when the first numerical value is reached, the speed of the numerical value is low, and only a signal is sent to an external worker to remind the worker to maintain the elevator;
s2, when the speed of the numerical value reaches a second numerical value, a signal is immediately sent to the electric telescopic rod (2) when the speed of the numerical value is high, and the electric telescopic rod (2) is extended to contact the elevator shaft to perform speed reduction operation;
the fourth step: the buffer spring (11) and the air cylinder rod (18) assist the electric telescopic rod (2) to decelerate the car body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042289.XA CN113697632A (en) | 2021-09-07 | 2021-09-07 | Emergency blocking device for lift car elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042289.XA CN113697632A (en) | 2021-09-07 | 2021-09-07 | Emergency blocking device for lift car elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113697632A true CN113697632A (en) | 2021-11-26 |
Family
ID=78660764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111042289.XA Pending CN113697632A (en) | 2021-09-07 | 2021-09-07 | Emergency blocking device for lift car elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113697632A (en) |
-
2021
- 2021-09-07 CN CN202111042289.XA patent/CN113697632A/en active Pending
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