CN112374319A - Guide rail braking device of household elevator without pit - Google Patents
Guide rail braking device of household elevator without pit Download PDFInfo
- Publication number
- CN112374319A CN112374319A CN202011239812.3A CN202011239812A CN112374319A CN 112374319 A CN112374319 A CN 112374319A CN 202011239812 A CN202011239812 A CN 202011239812A CN 112374319 A CN112374319 A CN 112374319A
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- guide rail
- link
- car
- assembly
- trigger
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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
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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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
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
- B66B5/125—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack electrical
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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
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The application discloses a guide rail braking device of a household elevator without a pit, the guide rail braking device adopts a T-shaped guide rail to be matched with a rope stopping wheel assembly to trigger a locking assembly, the structure is more stable than that of other types of guide rails, and the locking assembly can be better matched with the T-shaped guide rail during braking to achieve faster braking; this guide rail arresting gear detects the elevator through the state that keeps off the rope sheave subassembly and hawser whether to restrict absolutely, when the hawser fracture of elevator, keep off the rope sheave and rotate with first connecting rod and trigger the position, and trigger locking subassembly switching state, the T type guide rail of locking subassembly locking car both sides, the car can stop the motion on T type guide rail, avoid the car, passenger in the car leads to accident and damage because of the hawser fracture suddenly tenesmus, the state after restricting absolutely to the elevator has protected, greatly reduced the injury degree to the inside passenger of car, the stationarity and the security of elevator have also been increased simultaneously.
Description
Technical Field
The invention relates to the technical field of home elevators, in particular to a guide rail braking device of a bottomless home elevator.
Background
With the continuous improvement of economic level and the continuous promotion of urbanization and urbanization, the residential form of people develops towards the trend of high-rise buildings and villas. In the construction process of high-rise buildings, elevator shafts can be designed independently, most of the elevators adopt traction type elevators, the elevator shafts have relatively perfect and independent control and operation systems, and the development and application of related technologies are relatively mature; in the low-rise buildings such as villas, the floor height of the villas is generally designed into two or three layers, elevators cannot be designed in most villas, and the whole set of traction type elevators is complex in structure and needs to be provided with a hoistway, so that a large space is occupied, the elevator cannot be installed in most villas in consideration of the problem of space occupation and the cost of the traction type elevators, but in recent years, along with the increase of the aging problem of the population of China, the old people living in the villas and going upstairs and downstairs by stairs are inconvenient, and potential safety hazards exist, so that the market demand for small-sized bottomless household elevators is more and more urgent.
In the prior art, small and medium-sized domestic elevators without pits are generally provided with a vertical guide rail without a shaft between floors, and a driving device of the domestic elevator without pits moves along with a car of the domestic elevator without pits. Specifically, a motor is used for driving a winding drum to wind and unwind two mooring ropes wound on two pulleys to realize the lifting of the household elevator without the pit.
In the existing household elevator without a pit, a screw type guide rail is adopted, and a U-shaped guide rail is also adopted, but the U-shaped guide rail needs to move up and down by using a roller, so that the braking is troublesome.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a guide rail braking apparatus for a bottomless home elevator, which employs a T-shaped guide rail to cooperate with a rope stopping pulley assembly to trigger a locking assembly, and has a more stable structure than other types of guide rails, and the locking assembly can better cooperate with the T-shaped guide rail during braking to achieve faster braking.
In order to achieve the above object, the present invention provides a guide rail braking apparatus of a bottomless home elevator, comprising: the T-shaped guide rails are arranged on two opposite sides of the car; the lifting assembly comprises two reversing pulleys arranged on the top of the lift car, a reel and a cable wound on the reel; the two rope blocking wheel assemblies comprise two first connecting rods and rope blocking wheels, one ends of the first connecting rods are rotatably provided with the rope blocking wheels, the other ends of the first connecting rods are hinged to the top of the lift car, the cable extends upwards after reversing from the reversing pulley and is abutted against the rope blocking wheels, and the cable can apply force to the first connecting rods through the rope blocking wheels so that the first connecting rods rotate to a working position or a triggering position; the two locking assemblies are respectively arranged below the rope stopping wheel assembly and fixed on the lift car, and each locking assembly has a first state of abutting against the T-shaped guide rail and a second state of being separated from the T-shaped guide rail; when the first connecting rod is in the working position, the locking assembly is in the second state; when the first link is in the triggering position, the first link triggers the locking assembly to enable the locking assembly to be switched from the second state to the first state. The guide rail braking device adopts the T-shaped guide rail to be matched with the rope stopping wheel assembly to trigger the locking assembly, the structure is more stable than that of other types of guide rails, and the locking assembly can be better matched with the T-shaped guide rail during braking to achieve faster braking; this guide rail arresting gear detects the elevator through the state of keeping off the rope sheave subassembly and hawser whether disconnected rope, when the elevator is not disconnected the rope and is in normal operating condition, the hawser gives first connecting rod certain power so that keep off rope sheave and first connecting rod and be in operating position, when the hawser of elevator splits, keep off rope sheave and first connecting rod and rotate to the trigger position, and trigger locking subassembly switching state, the T type guide rail of locking car both sides is locked to the locking subassembly, the car can stop the motion on T type guide rail, avoid the car, passenger in the car leads to accident and damage because of the hawser fracture suddenly tenesmus, state after the disconnected rope of elevator has been protected, greatly reduced the injury degree to the inside passenger of car, the stationarity and the security of elevator have also been increased simultaneously.
In one example, the guide rail braking device further comprises two trigger assemblies, the trigger assemblies are connected with the first connecting rod, and the first connecting rod can drive the trigger assemblies to move upwards when rotating from the working position to the trigger position, so that the locking assemblies are triggered to be switched from the second state to the first state. The trigger assembly is mainly used for transmitting the movement of the first connecting rod to the locking assembly.
In one example, the trigger assembly includes a lifting member, a limiting member and a connecting member, the lifting member is U-shaped, the limiting member is fixed to the top of the car and surrounds the outer side of the lifting member, the upper end of the lifting member is hinged to the two first connecting rods, one end of the connecting member is fixedly connected to the lower end of the lifting member, and the other end of the connecting member is hinged to the locking assembly. The locating part surrounding the outer side of the lifting part can limit the lifting part left and right, so that the lifting part is prevented from shaking left and right, and the structure is guaranteed to have good stability.
In one example, the guide rail brake device further comprises a reset member capable of imparting a force to the first link to move toward the triggered position. The resetting piece is mainly used for pushing the first connecting rod to the triggering position after the cable is broken so as to trigger the locking assembly to brake.
In an example, the piece that resets includes spacing board, spring axle and spacing board down, the both ends of spacing board are fixed in respectively on last spacing board carry the tip of piece, spacing board is fixed in the car top down, go up the spacing board and seted up the through-hole, the through-hole has been seted up down to the spacing board down, the spring axle passes go up the through-hole with through-hole down, the spring housing is located the spring axle is located go up the spacing board with between the spacing board down, the tip of spring axle has the backstop portion, the backstop portion can with the up end butt of spacing board down. When the elevator is in a normal working state, the spring is in a compressed state due to the force of the cable on the rope blocking wheel and the first connecting rod; when the cable is broken, the cable does not give the force to the rope blocking wheel and the first connecting rod any more, the bottom of the spring in a compressed state is limited by the lower limiting plate, and the upper part of the spring gives the upward force to the upper limiting plate, so that the upper limiting plate pushes the first connecting rod to rotate upwards. The auxiliary assembly not only can make the automatic upwards rotation of first connecting rod in order to carry and draw trigger assembly behind the hawser fracture, and the spring can accelerate the reaction rate behind the hawser fracture moreover, makes braking safety tongs can be faster brake the car, and the security of elevator is better.
In one example, the triggering assembly is connected with the first connecting rod through a connecting rod assembly, the connecting rod assembly comprises two second connecting rods and two third connecting rods, one end of each second connecting rod is arranged at the top of the car and hinged with the end part of the first connecting rod, the other end of each second connecting rod is hinged with the end part of the triggering assembly, one end of each third connecting rod is hinged to the middle part of the first connecting rod, and the other end of each third connecting rod is slidably arranged in the middle part of the second connecting rod. The connecting rod component is mainly used for converting the rotation of the first connecting rod into the up-and-down movement of the trigger component.
In one example, the middle of the second link is provided with a long hole formed along the long axis of the second link, and the end of the third link is slidably disposed in the long hole.
In one example, the braking safety gear further comprises two fixed pulleys, and the two fixed pulleys are fixed on the top of the car and are respectively positioned above the two rope blocking wheels. The fixed pulley is similarly in contact with the rope to guide the rope to a certain extent, and the force of the rope on the rope blocking pulley can be increased by the position of the fixed pulley.
In one example, the brake safety gear further comprises a microswitch, the trigger assembly is provided with a protruding piece, and the microswitch is fixed on the top of the car and positioned above the protruding piece; when the trigger component moves upwards, the extension piece can trigger the micro switch. The micro switch can control the power device in the lifting assembly to stop, when the cable is broken, the trigger assembly moves upwards, the extension piece also moves upwards, and therefore the micro switch located above the extension piece is triggered, the micro switch controls the power device to stop working after being triggered, and the lift car is further braked.
In one example, the T-shaped guide rail further comprises an outer frame disposed outside the T-shaped guide rail. The outer frame can carry out certain protection to locking subassembly, guide shoe isotructure on the T type guide rail to the noise reduction.
Drawings
The drawings described herein are only for assisting those skilled in the art in understanding the technical solutions of the present invention, and the exemplary embodiments of the present invention described in conjunction with the drawings are only for explaining the technical solutions of the present invention and do not constitute a limitation of the present invention. In the drawings:
fig. 1 is a schematic perspective view of a bottomless home elevator provided by an embodiment of the invention;
fig. 2 is a plan view of a bottomless home elevator provided by an embodiment of the present invention;
fig. 3 is a schematic perspective view of a guide rail braking device according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a guide rail braking apparatus according to another embodiment of the present invention;
fig. 5 is a schematic perspective view of a T-shaped guide rail according to an embodiment of the present invention;
fig. 6 is a top view of a T-shaped rail according to an embodiment of the present invention.
List of reference numerals:
the elevator comprises a bottomless home elevator 1, a T-shaped guide rail 2, a car 3, a reversing pulley 4, a reel 5, a cable 6, a first connecting rod 7, a rope blocking pulley 8, a locking assembly 9, a lifting piece 10, a limiting piece 11, a connecting piece 12, an upper limiting plate 13, a spring 14, a spring shaft 15, a lower limiting plate 16, a limiting piece 17, a second connecting rod 18, a third connecting rod 19, a strip hole 20, a fixed pulley 21, a microswitch 22, an extending piece 23 and an outer frame 24.
Detailed Description
In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 to 6, the present invention proposes a guide rail braking apparatus of a bottomless home elevator 1, comprising: t-shaped guide rails 2, the T-shaped guide rails 2 being provided on opposite sides of the car 3 (only one T-shaped guide rail 2 is shown in the figure); a hoisting assembly comprising two diverting pulleys 4 arranged on the top of the car 3, a reel 5, a rope 6 wound on the reel 5; the rope blocking wheel assemblies comprise two first connecting rods 7 and two rope blocking wheels 8, one end of each first connecting rod 7 is rotatably provided with a rope blocking wheel 8, the other end of each first connecting rod is hinged to the top of the car 3, the cable 6 extends upwards after being reversed by the reversing pulley 4 and is abutted against the rope blocking wheel 8, and the cable 6 can apply force to the first connecting rods 7 through the rope blocking wheels 8 so that the first connecting rods 7 rotate to a working position or a triggering position; two locking assemblies 9 which are respectively arranged below the rope stopping wheel assembly and fixed on the lift car 3, wherein the locking assemblies 9 have a first state of abutting against the T-shaped guide rail 2 and a second state of separating from the T-shaped guide rail 2; when the first connecting rod 7 is at the working position, the locking assembly 9 is in a second state; when the first link 7 is at the triggering position, the first link 7 triggers the locking assembly 9 to switch the locking assembly 9 from the second state to the first state. The guide rail braking device adopts the T-shaped guide rail 2 to be matched with the rope stopping wheel assembly to trigger the locking assembly 9, the structure is more stable than that of other types of guide rails, and the locking assembly 9 can be better matched with the T-shaped guide rail 2 during braking to achieve faster braking; this guide rail arresting gear detects the elevator through keeping off the state of sheave assembly and hawser 6 and whether to break the rope, when the elevator is not broken the rope and is in normal operating condition, hawser 6 gives first connecting rod 7 certain power so that keep off rope sheave 8 and first connecting rod 7 and locate at operating position, when the hawser 6 of elevator breaks, keep off rope sheave 8 and first connecting rod 7 and rotate to the trigger position, and trigger locking subassembly 9 switching state, locking subassembly 9 locks the T type guide rail 2 of car 3 both sides, car 3 can be with stopping the motion on T type guide rail 2, avoid car 3, the passenger in the car 3 leads to unexpected and the damage because of the sudden drop of hawser 6 fracture, the state after the rope is broken to the elevator has been protected, greatly reduced the injury degree to the passenger in the car 3, the stationarity and the security that have also increased the elevator simultaneously.
In one embodiment, as shown in fig. 1, 3 to 4, the guide rail braking device further includes two triggering assemblies, the triggering assemblies are connected to the first link 7, and the first link 7 can move the triggering assemblies upward when rotating from the working position to the triggering position, so as to trigger the locking assembly 9 to switch from the second state to the first state. The triggering assembly is mainly used to transmit the movement of the first link 7 to the locking assembly 9.
In one embodiment, as shown in fig. 1 to 4, the triggering assembly includes a pulling member 10, a limiting member 11 and a connecting member 12, the pulling member 10 is U-shaped, the limiting member 11 is fixed on the top of the car 3 and surrounds the outer side of the pulling member 10, the upper end of the pulling member 10 is hinged to the two first connecting rods 7, one end of the connecting member 12 is fixedly connected to the lower end of the pulling member 10, and the other end is hinged to the locking assembly 9. The limiting part 11 surrounding the outer side of the lifting part 10 can limit the lifting part 10 left and right, so that the lifting part 10 is prevented from shaking left and right, and the structure is guaranteed to have good stability.
In a particular embodiment, as shown in fig. 1 to 4, the guide rail brake device further comprises a reset element capable of imparting a force to the first link 7 to move towards the triggered position. The reset piece is mainly used for pushing the first connecting rod 7 to the triggering position after the cable 6 is broken so as to trigger the locking assembly 9 to brake.
Specifically, as shown in fig. 3 to 4, the reset member includes an upper limit plate 13, a spring 14, a spring shaft 15, and a lower limit plate 16, both ends of the upper limit plate 13 are respectively fixed to the end of the lifting member 10, the lower limit plate 16 is fixed to the top of the car 3, the upper limit plate 13 is provided with an upper through hole, the lower limit plate 16 is provided with a lower through hole, the spring shaft 15 passes through the upper through hole and the lower through hole, the spring 14 is sleeved on the spring shaft 15 and is located between the upper limit plate 13 and the lower limit plate 16, the end of the spring shaft 15 is provided with a stopper 17, and the stopper 17 can abut against the upper end face of the lower limit plate 16. When the elevator is in a normal working state, the spring 14 is in a compressed state due to the force of the cable 6 on the rope blocking wheel 8 and the first connecting rod 7; when the cable 6 is broken, the cable 6 does not give a force to the rope blocking wheel 8 and the first connecting rod 7 any more, the bottom of the spring 14 in a compressed state is limited by the lower limiting plate 16, and the upper part of the spring 14 gives an upward force to the upper limiting plate 13, so that the upper limiting plate 13 pushes the first connecting rod 7 to rotate upwards. The auxiliary assembly can not only enable the first connecting rod 7 to automatically rotate upwards to lift the trigger assembly after the cable 6 is broken, but also can accelerate the reaction speed of the broken cable 6 by the spring 14, so that the locking assembly 9 can clamp the T-shaped guide rail more quickly to brake the car 3, and the safety of the elevator is better.
In one embodiment, as shown in fig. 3 to 4, the triggering assembly is connected to the first link 7 through a link assembly, which includes two second links 18 and two third links 19, one end of the second link 18 is disposed on the top of the car 3 and hinged to the end of the first link 7, the other end of the second link 18 is hinged to the end of the triggering assembly, one end of the third link 19 is hinged to the middle of the first link 7, and the other end of the third link 19 is slidably disposed on the middle of the second link 18. The linkage assembly is primarily used to convert the rotation of the first link 7 into an up and down movement of the trigger assembly.
Specifically, as shown in fig. 3, the middle portion of the second link 18 is provided with a long hole 20 opened along the long axis of the second link 18, and the end portion of the third link 19 is slidably provided in the long hole 20.
In one embodiment, as shown in fig. 4, the braking safety gear further comprises two fixed pulleys 21, and the two fixed pulleys 21 are fixed on the top of the car 3 and are respectively positioned above the two rope blocking wheels 8. Similarly, the fixed pulley 21 is brought into contact with the cable 6 to guide the cable 6 to a fixed degree, and the force of the cable 6 against the catch sheave 8 can be increased by the position of the fixed pulley 21.
In a particular embodiment, as shown in fig. 3 to 4, the braking safety gear further comprises a microswitch 22, the triggering assembly is provided with a projection 23, the microswitch 22 is fixed on the top of the car 3 and is positioned above the projection 23; when the trigger assembly moves upwards, the protrusion 23 can trigger the microswitch 22. The microswitch 22 can control the power device in the lifting assembly to stop, when the cable 6 is broken, the trigger assembly moves upwards, the extension piece 23 also moves upwards, and therefore the microswitch 22 positioned above the extension piece 23 is triggered, the microswitch 22 controls the power device to stop working after being triggered, and the car 3 is further braked.
In one embodiment, as shown in fig. 6, the T-shaped guide rail 2 further comprises an outer frame 24 disposed outside the T-shaped guide rail 2. The outer frame 24 can protect the locking assembly 9, the guide shoes and other structures on the T-shaped guide rail 2 to a certain degree and reduce noise.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. Guide rail braking device of pit-free home use elevator, characterized by comprising:
the T-shaped guide rails are arranged on two opposite sides of the car;
the lifting assembly comprises two reversing pulleys arranged on the top of the lift car, a reel and a cable wound on the reel;
the two rope blocking wheel assemblies comprise two first connecting rods and rope blocking wheels, one ends of the first connecting rods are rotatably provided with the rope blocking wheels, the other ends of the first connecting rods are hinged to the top of the lift car, the cable extends upwards after reversing from the reversing pulley and is abutted against the rope blocking wheels, and the cable can apply force to the first connecting rods through the rope blocking wheels so that the first connecting rods rotate to a working position or a triggering position;
the two locking assemblies are respectively arranged below the rope stopping wheel assembly and fixed on the lift car, and each locking assembly has a first state of abutting against the T-shaped guide rail and a second state of being separated from the T-shaped guide rail; when the first connecting rod is in the working position, the locking assembly is in the second state; when the first link is in the triggering position, the first link triggers the locking assembly to enable the locking assembly to be switched from the second state to the first state.
2. The track brake of claim 1, further comprising two trigger assemblies, wherein the trigger assemblies are coupled to the first link, and wherein rotation of the first link from the operating position to the trigger position moves the trigger assemblies upward to trigger the latch assembly to switch from the second state to the first state.
3. The guide rail braking device according to claim 2, wherein the trigger assembly includes a lifting member, a limiting member, and a connecting member, the lifting member is U-shaped, the limiting member is fixed to the top of the car and surrounds the outer side of the lifting member, the upper end of the lifting member is hinged to the two first connecting rods, one end of the connecting member is fixedly connected to the lower end of the lifting member, and the other end of the connecting member is hinged to the locking assembly.
4. The guide rail brake apparatus of claim 3, further comprising a reset member configured to impart a force to the first link to move toward the activated position.
5. The guide rail braking device according to claim 4, wherein the reset member includes an upper limiting plate, a spring shaft, and a lower limiting plate, both ends of the upper limiting plate are fixed to the end of the lifting member, respectively, the lower limiting plate is fixed to the top of the car, the upper limiting plate is provided with an upper through hole, the lower limiting plate is provided with a lower through hole, the spring shaft passes through the upper through hole and the lower through hole, the spring is sleeved on the spring shaft and is located between the upper limiting plate and the lower limiting plate, the end of the spring shaft is provided with a stopping portion, and the stopping portion can abut against the upper end face of the lower limiting plate.
6. The guide rail braking apparatus of claim 2, wherein the triggering assembly is connected to the first link through a link assembly, the link assembly includes two second links and two third links, one end of the second link is disposed on the top of the car and hinged to an end of the first link, the other end of the second link is hinged to an end of the triggering assembly, one end of the third link is hinged to a middle portion of the first link, and the other end of the third link is slidably disposed on a middle portion of the second link.
7. The track brake of claim 6, wherein the second link has a slot formed in a middle portion thereof along a longitudinal axis of the second link, and the third link has an end portion slidably disposed in the slot.
8. The rail brake apparatus of claim 1, wherein the brake safety gear further comprises two fixed pulleys fixed to the top of the car and located above the two rope blocking wheels, respectively.
9. The rail brake apparatus of claim 1, wherein the brake safety gear further comprises a microswitch, the trigger assembly being provided with a protrusion, the microswitch being secured to the car roof and positioned above the protrusion; when the trigger component moves upwards, the extension piece can trigger the micro switch.
10. The rail brake apparatus of any one of claims 1 to 9, wherein the T-shaped rail further comprises an outer frame disposed outside the T-shaped rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239812.3A CN112374319B (en) | 2020-11-09 | 2020-11-09 | Guide rail braking device of household elevator without pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239812.3A CN112374319B (en) | 2020-11-09 | 2020-11-09 | Guide rail braking device of household elevator without pit |
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| Publication Number | Publication Date |
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| CN112374319A true CN112374319A (en) | 2021-02-19 |
| CN112374319B CN112374319B (en) | 2022-02-01 |
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| CN202011239812.3A Active CN112374319B (en) | 2020-11-09 | 2020-11-09 | Guide rail braking device of household elevator without pit |
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| CN112374319B (en) | 2022-02-01 |
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