CN117585557A - Elevator speed limiter - Google Patents
Elevator speed limiter Download PDFInfo
- Publication number
- CN117585557A CN117585557A CN202410073527.0A CN202410073527A CN117585557A CN 117585557 A CN117585557 A CN 117585557A CN 202410073527 A CN202410073527 A CN 202410073527A CN 117585557 A CN117585557 A CN 117585557A
- Authority
- CN
- China
- Prior art keywords
- rope
- frame
- cleaning
- rope pulley
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000013459 approach Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention relates to the technical field of elevator maintenance and cleaning, in particular to an elevator speed limiter, which comprises a mounting seat, wherein a mounting frame is arranged on the mounting seat, a rope wheel and a brake wheel for braking the rope wheel are arranged in the mounting frame, a velometer and clamping components are also arranged on the mounting frame, are respectively arranged on the mounting seats at two ends of the rope wheel and are used for clamping ropes at two sides of the rope wheel and pulling up the two ends of the ropes upwards, so that the ropes bypassing the rope wheel are separated from rope grooves of the rope wheel; the cleaning assembly is used for cleaning the inside of the rope groove of the rope pulley and comprises a cleaning frame, one side of the cleaning frame extends upwards to be provided with a scraper extending into the rope groove, and the cleaning frame is installed between the rope pulley and the bottom of the installation seat in a lifting mode. According to the invention, different positions of the rope groove of the rope pulley can sequentially pass through the positions of the scraper in the cleaning process, so that the greasy dirt adhered to the inside of the rope pulley can be conveniently scraped off, and the safety protection switch of the speed limiter is touched or the rope derailing and falling accident caused by excessive accumulation of the greasy dirt is avoided.
Description
Technical Field
The invention relates to the technical field of elevator maintenance and cleaning, in particular to an elevator speed limiter.
Background
The elevator governor is one of the safety control components in the elevator safety protection system. When the elevator is in operation, the elevator car overspeed and even falls, and under the condition that all other safety protection devices do not work, the speed limiter and the safety tongs can act in a linkage way, so that the elevator car is stopped.
The elevator speed limiter generally comprises a speed limiter rope wheel, a beam limiter rope and a brake block positioned above an elevator car, wherein the speed limiter rope of the elevator inevitably contaminates greasy dirt and dust after long-time use, is influenced by air temperature, can be gradually piled up to form oil sludge, can not naturally fall off and can form a sheet shape, and is close to and enlarged in the rim direction of the speed limiter rope wheel, a safety protection switch of the speed limiter is easily touched, the elevator can be suddenly stopped, the serious derailment of the rope can be caused, the personal and property safety is endangered, but the existing cleaning mode is mostly that a cover plate of the elevator beam limiter is manually detached, then the beam limiter rope is lifted, and the greasy dirt in a groove of the speed limiter rope wheel is scraped by a scraper to clean, so that the work of the elevator is stopped, manual cleaning is excessively time-consuming and labor-consuming, and the cleaning efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects existing in the prior art, the invention provides the elevator speed limiter, which can effectively solve the problems that the speed limiter wheel of the elevator in the prior art inevitably contaminates greasy dirt and dust after being used for a long time, is influenced by air temperature and gradually accumulates to form oil sludge, the oil sludge does not naturally drop but forms a sheet shape and approaches to the rim direction of the rope wheel of the speed limiter and gets larger, and easily touches a safety protection switch of the speed limiter, which can cause the elevator to suddenly stop, seriously possibly cause the rope to derail and endanger personal and property safety, but the existing cleaning mode is to manually detach the cover plate of the elevator beam limiter, lift the beam limiter rope, clean the greasy dirt in the groove of the rope wheel of the speed limiter by a scraper, and the elevator is stopped, and the problems of too long time and labor consumption and low cleaning efficiency are solved by manual cleaning.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides an elevator speed limiter, which comprises a mounting seat, wherein a mounting frame is arranged on the mounting seat, a rope wheel and a brake wheel for braking the rope wheel are arranged in the mounting frame, a speed detector for detecting the rotation speed of the rope wheel is also arranged on the mounting frame, and the elevator speed limiter further comprises:
the two clamping assemblies are respectively arranged on the mounting seats at the two ends of the rope pulley and are used for clamping ropes at the two sides of the rope pulley and pulling up the two ends of the ropes in the cleaning process so that the ropes bypassing the rope pulley are separated from the rope grooves of the rope pulley;
the cleaning assembly is arranged right below the rope pulley and used for cleaning the inside of the rope groove of the rope pulley, and comprises a cleaning frame, one side of the cleaning frame extends upwards to be provided with a scraper extending into the rope groove, and the cleaning frame is installed between the rope pulley and the bottom of the installation seat in a lifting mode.
Further, each group of clamping assembly comprises two guide plates and two clamping wheels positioned between the two guide plates, a gap for allowing a rope extending from the rope pulley to pass through is reserved between the two clamping wheels, and guide through holes for guiding the two clamping wheels to approach each other are respectively arranged on the guide plates; the guide through hole comprises an upper vertical part and a lower inclined part; the mounting seat is provided with a lifting frame for driving the two clamping wheels to move upwards.
Further, the outline of the outer end surfaces of the two clamping wheels is polygonal, and when the two clamping wheels are in a state of being close to each other, one edge of the outer end surfaces is aligned with each other to lock the relative positions of the two clamping wheels.
Further, be provided with the bottom plate on the mount pad, the bottom plate is located the below of rope sheave, be provided with the rectangle on the bottom plate and lead to the groove, slidable mounting is led to the inslot portion at the rectangle from top to bottom to the crane, the both ends of crane stretch to the side of two pinch rolls, be provided with on the crane and be used for supporting at two epaxial support through-holes of pinch rolls.
Further, the below of mount pad is provided with the base, the base is located the crane under, be provided with the telescopic link that is used for driving the crane and reciprocates on the base.
Further, the below of clearance frame is provided with the elasticity reset lever, and the below and the base of elasticity reset lever are connected, and the elasticity reset lever is used for driving the clearance frame and removes towards the direction of base, be provided with the lift groove that is used for supplying clearance frame up-and-down motion on the lift frame, the both sides of lift frame are provided with the backup pad of support in clearance frame below.
Further, the bottom of crane is provided with the spout that is used for supplying the backup pad to face or keep away from the clearance frame slip, still be provided with the threaded rod that is used for controlling the backup pad at the sliding position of spout on the crane.
Further, the device further comprises a brush plate assembly and a driven wheel for driving the brush plate assembly to swing, the driven wheel is rotatably arranged in the middle of the cleaning frame, an annular matching groove for pressing contact with the outer wall of the rope wheel is formed in the driven wheel, an annular groove is formed in the middle of the driven wheel, a plurality of grooves are formed in the inner wall of the annular groove along the axial direction of the driven wheel, and the grooves are annularly distributed on the inner wall of the annular groove.
Further, the brush plate assembly comprises a swinging shaft rotatably arranged in the cleaning frame, a supporting rod extending to the right lower part of the rope pulley is upwards arranged in the middle of the swinging shaft, bristles extending to the inside of a rope groove of the rope pulley are arranged at the top of the supporting rod, and torsion springs for driving the swinging shaft to rotate clockwise are further arranged at two ends of the swinging shaft; the side of the swinging shaft is obliquely downwards provided with a shifting block, the shifting block extends into a groove of the driven wheel, and the shifting block continuously slides in or slides out of different grooves in the rotation process of the driven wheel.
Further, a plurality of limiting blocks are annularly arranged on two sides of the rope pulley, a plurality of clamping blocks are annularly arranged on the end face, facing the rope pulley, of the brake wheel, a spring for pushing the brake wheel to move towards the rope pulley is arranged between the brake wheel and the mounting frame, a magnetic attraction block for attracting the brake wheel is arranged on the end face, facing the brake wheel, of the mounting frame, and in an initial state, the magnetic attraction block attracts the brake wheel to enable the brake wheel to be far away from the rope pulley.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
according to the invention, the cleaning component capable of moving up and down is arranged at the bottom of the rope pulley, when the rope pulley needs to be cleaned, the scraper of the cleaning component is inserted into the rope groove of the rope pulley by moving up the cleaning component, oil stains and dust attached to the inner part of the rope groove of the rope pulley are scraped, in the process, the motor on the side surface of the rope pulley drives the rope pulley to rotate, different positions of the rope groove of the rope pulley sequentially pass through the positions of the scraper, the oil stains attached to the inner part of the rope pulley can be scraped conveniently, and the safety protection switch of the touch speed limiter or the rope derailment accident caused by excessive accumulation of the oil stains is avoided.
According to the invention, the grooves are arranged to be different in groove depth, and when the grooves with different depths of the shifting block slide in or slide out, the supporting rod is driven to swing to different degrees, so that the bristles can more comprehensively clean oil stains in the rope grooves of the rope pulley.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the overall structure of the clamping assembly of the present invention mounted on a mounting base;
FIG. 4 is a schematic view of the bottom view of the clamping assembly of the present invention mounted on a mounting base;
FIG. 5 is a schematic view of the overall structure of the lifting frame of the present invention mounted on a base;
FIG. 6 is an exploded view of the lift frame of the present invention separated from the cleaning assembly;
FIG. 7 is a schematic view of the overall structure of the clamping assembly of the present invention;
FIG. 8 is a schematic view of the mounting structure of the brush plate of the present invention;
fig. 9 is a schematic overall structure of the driven wheel of the present invention.
Reference numerals in the drawings represent respectively: 1. a mounting base; 11. a base; 12. a telescopic rod; 13. an elastic reset lever; 2. a bottom plate; 201. rectangular through grooves; 21. a lifting frame; 2101. a support through hole; 2102. a lifting groove; 2103. a chute; 22. a support plate; 23. a threaded rod;
3. a rope pulley; 31. a brake wheel; 32. a spring; 33. a magnetic attraction block; 4. a mounting frame; 41. a velometer; 5. a clamping assembly; 51. a guide plate; 5101. a guide through hole; 52. a pinch roller;
6. cleaning the assembly; 61. a cleaning frame; 62. driven wheel; 6201. an annular mating groove; 6202. an annular groove; 6203. a groove; 63. a scraper; 64. a brush plate assembly; 641. brushing; 642. a swing shaft; 643. a torsion spring; 644. a support rod; 645. and (5) a shifting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Example 1: the utility model provides an elevator overspeed governor, is provided with mounting bracket 4 on mount pad 1 as shown in fig. 1, fig. 2, fig. 3, and inside rope sheave 3 and the braking wheel 31 that is used for braking rope sheave 3 of being provided with of mounting bracket 4, still be provided with the velometer 41 that is used for detecting rope sheave 3 rotational speed on the mounting bracket 4, its characterized in that still includes:
two clamping components 5 which are respectively arranged on the mounting seats 1 at the two ends of the rope pulley 3 and are used for clamping ropes at the two sides of the rope pulley 3 and pulling up the two ends of the ropes in the process of cleaning the rope pulley 3 so that the ropes which are wound around the rope pulley 3 are separated from rope grooves of the rope pulley 3;
the cleaning component 6 is arranged right below the rope pulley 3 and used for cleaning the inside of a rope groove of the rope pulley 3, and comprises a cleaning frame 61, wherein a scraper 63 extending into the rope groove is arranged on one side of the cleaning frame 61 in an upward extending manner, and the cleaning frame 61 is arranged between the rope pulley 3 and the bottom of the mounting seat 1 in a lifting manner.
Referring to fig. 5 and 7, each set of the clamping assemblies 5 includes two guide plates 51 and two clamping wheels 52 located between the two guide plates 51, a gap for passing a rope extending from the sheave 3 is reserved between the two clamping wheels 52, and guide through holes 5101 for guiding the two clamping wheels 52 to approach each other are respectively formed in the guide plates 51; the guide through hole 5101 includes an upper vertical portion and a lower inclined portion; the mounting seat 1 is provided with a lifting frame 21 for driving the two clamping wheels 52 to move upwards; through setting up clamping assembly 5, utilize two clamping wheels 52 of relative installation to be close to each other, can press from both sides at the rope respectively, afterwards through the two clamping wheels 52 upward movement of drive that crane 21 can be convenient, mention the rope of bypassing rope sheave 3, avoid driving rope 3 removal in the in-process of clearing up the inside rope groove of rope sheave 3.
According to the invention, the cleaning component 6 capable of moving up and down is arranged at the bottom of the rope pulley 3, when the rope pulley 3 needs to be cleaned, the scraper 63 of the cleaning component 6 is inserted into the rope groove of the rope pulley 3 by moving up the cleaning component 6, oil stains and dust attached to the rope groove of the rope pulley 3 are scraped off, in the process, the rope pulley 3 is driven to rotate by the motor on the side surface of the rope pulley 3, different positions of the rope groove of the rope pulley 3 sequentially pass through the positions of the scraper 63, the oil stains attached to the inner part of the rope pulley 3 can be scraped off conveniently, and the safety protection switch of a touch trigger or the rope derailment accident caused by excessive accumulation of the oil stains is avoided.
Referring to fig. 7, in an elevator speed limiter, the outlines of the outer end surfaces of two clamping wheels 52 are polygonal, and when the two clamping wheels 52 are close to each other, one side of the outer end surfaces is aligned with each other to lock the relative positions of the two clamping wheels 52; when the end surfaces of one side of the two polygonal clamping wheels 52 are close to each other and aligned, the two clamping wheels 52 are propped against each other, so that the two clamping wheels 52 are prevented from rotating relatively, and meanwhile, the rope clamped between the two clamping wheels 52 is locked, so that the rope is conveniently lifted.
Referring to fig. 2, a plurality of limiting blocks are annularly arranged on two sides of the rope pulley 3, a plurality of clamping blocks are annularly arranged on the end face of the brake wheel 31, which faces the rope pulley 3, a spring 32 for pushing the brake wheel 31 to move towards the rope pulley 3 is arranged between the brake wheel 31 and the mounting frame 4, a magnetic attraction block 33 for attracting the brake wheel 31 is arranged on the end face of the mounting frame 4, which faces the brake wheel 31, and in an initial state, the magnetic attraction block 33 attracts the brake wheel 31 to enable the brake wheel 31 to be far away from the rope pulley 3.
According to the invention, the velometer 41 is arranged above the mounting frame 4, the brake wheels 31 are respectively arranged at the two sides of the rope pulley 3, when the velometer 41 detects that the rotating speed of the rope pulley 3 exceeds a safety range, the magnetic attraction block 33 is controlled to be powered off, at the moment, the two brake wheels 31 positioned at the two sides of the rope pulley 3 move towards the rope pulley 3 under the action of the spring 32, and the clamping blocks at the side surfaces of the brake wheels 31 are clamped on the limiting blocks at the two sides of the rope pulley 3, so that the rope pulley 3 is prevented from continuously rotating.
Example 2
For further optimization of the elevator speed limiter provided in embodiment 1, specifically, as shown in fig. 3 and 4, a bottom plate 2 is arranged on the mounting seat 1, the bottom plate 2 is located below the rope sheave 3, a rectangular through groove 201 is arranged on the bottom plate 2, the lifting frame 21 is installed inside the rectangular through groove 201 in a sliding mode up and down, two ends of the lifting frame 21 extend to the side faces of the two clamping wheels 52, and a supporting through hole 2101 for supporting the rotating shafts of the two clamping wheels 52 is arranged on the lifting frame 21.
According to the invention, the two groups of clamping wheels 52 positioned at two sides of the rope pulley 3 can be synchronously driven to synchronously move up and down by arranging the supporting through holes 2101 at two ends of the lifting frame 21 respectively, so that the situation that the rope is fixed at one side in the process of clamping the rope and continuously moves in the process of lifting can be avoided, the supporting through holes 2101 are strip-shaped through holes, and the rotating shafts of the two clamping wheels 52 can slide in the supporting through holes 2101 and rotate.
Example 3
As shown in fig. 4, a base 11 is disposed below the mounting base 1, the base 11 is located directly below the lifting frame 21, and a telescopic rod 12 for driving the lifting frame 21 to move up and down is disposed on the base 11.
In the invention, in the actual use process, the telescopic rod 12 can be driven by electric, pneumatic or hydraulic pressure, and the telescopic rod 12 can be used for conveniently driving the lifting frame 21 to move up and down.
Example 4
As shown in fig. 2, 5 and 6, in particular, an elastic reset rod 13 is disposed below the cleaning frame 61, the lower part of the elastic reset rod 13 is connected with the base 11, the elastic reset rod 13 is used for driving the cleaning frame 61 to move toward the direction of the base 11, a lifting groove 2102 for the cleaning frame 61 to move up and down is disposed on the lifting frame 21, and support plates 22 supported below the cleaning frame 61 are disposed on two sides of the lifting frame 21.
In the invention, the elastic reset rod 13 is arranged below the cleaning frame 61, when the cleaning frame 61 needs to ascend to clean the rope groove inside the rope wheel 3, the bottom of the cleaning frame 61 is propped against the supporting plate 22 of the lifting frame 21, the cleaning frame 61 can be stably supported on the lifting frame 21 due to downward force of the elastic reset rod 13 on the cleaning frame 61 all the time and can be driven by the lifting frame 21 to move, in addition, the supporting plate 22 is detachably connected with the lifting frame 21, in the actual use process, when the rope wheel 3 does not need to be cleaned and the rope is required to be lifted (for example, when the triggering function of the elevator speed limiter is checked), the supporting plate 22 can be conveniently detached from the lifting frame 21, and then the clamping wheel 52 can be conveniently lifted by the lifting frame 21, and the rope of the elevator can be conveniently lifted.
Further, as shown in fig. 6, a chute 2103 for sliding the support plate 22 toward or away from the cleaning frame 61 is provided at the bottom of the lifting frame 21, and a threaded rod 23 for controlling the sliding position of the support plate 22 in the chute 2103 is further provided on the lifting frame 21.
In this embodiment, through setting up the spout 2103 that supplies backup pad 22 to slide towards or keep away from cleaning frame 61 on crane 21 to set up the threaded rod 23 that drives backup pad 22 and remove on crane 21, the position of regulation backup pad 22 that can be convenient, whether the backup pad 22 is to pad the below of cleaning frame 61 according to the actual use requirement selection, whether drive cleaning frame 61 upward movement and clear up rope sheave 3.
Further, as shown in fig. 6, 8 and 9, the device further comprises a brush plate assembly 64 and a driven wheel 62 for driving the brush plate assembly 64 to swing, the driven wheel 62 is rotatably installed in the middle of the cleaning frame 61, an annular matching groove 6201 for pressing contact with the outer wall of the rope pulley 3 is formed in the driven wheel 62, an annular groove 6202 is formed in the middle of the driven wheel 62, a plurality of grooves 6203 are formed in the inner wall of the annular groove 6202 along the axial direction of the driven wheel 62, and the plurality of grooves 6203 are annularly distributed on the inner wall of the annular groove 6202; the brush plate assembly 64 is located on the other side of the cleaning frame 61, and in the cleaning process, along with the rotation of the rope pulley 3, the small oil dirt residues which cannot be scraped off by the scraper 63 can be cleaned through the scraper 63 and the brush plate assembly 64 in sequence, so that the oil dirt is prevented from being bonded and accumulated together again.
In this embodiment, the driven wheel 62 pressed against the sheave 3 is provided at the bottom of the sheave 3, the driven wheel 62 is driven to rotate by the rotation of the sheave 3, and the brush plate assembly 64 swinging with the rotation of the driven wheel 62 is provided on the side surface of the driven wheel 62, so that the sheave 3 can be cleaned without additional power.
Further, as shown in fig. 8, the brush plate assembly 64 includes a swinging shaft 642 rotatably installed in the cleaning frame 61, a supporting rod 644 extending directly below the rope pulley 3 is provided at the middle of the swinging shaft 642, bristles 641 extending into the rope groove of the rope pulley 3 are provided at the top of the supporting rod 644, and torsion springs 643 for driving the swinging shaft 642 to rotate clockwise are provided at both ends of the swinging shaft 642; a shifting block 645 is arranged on the side surface of the swinging shaft 642 in a downward inclined manner, the shifting block 645 extends into the groove 6203 of the driven wheel 62, and the shifting block 645 continuously slides into or slides out of different grooves 6203 in the rotation process of the driven wheel 62; in the actual use, the groove depths of the grooves 6203 are different, and when the grooves 6203 with different depths of the shifting block 645 slide in or slide out, the supporting rod 644 is driven to swing to different degrees, so that the bristles 641 can more comprehensively clean oil stains inside the rope grooves of the rope pulley 3.
The use process of the elevator speed limiter provided by the invention is as follows:
working principle:
when the rope pulley needs to be cleaned, the lifting frame 21 is driven to move upwards through the telescopic rod 12, at the moment, the two ends of the lifting frame 21 respectively drive the clamping wheels 52 to clamp two ends of the rope positioned at two sides, the supporting plate 22 of the lifting frame 21 abuts against the lower part of the cleaning frame 61, then the clamping wheels 52 clamp the rope and drive the rope to move upwards along with the continuous upward movement of the lifting frame 21, so that the whole rope bypassing the upper end of the rope pulley 3 is lifted, the rope pulley 3 is far away, meanwhile, the scraper on the cleaning frame 61 stretches into the rope groove of the rope pulley 3, the inner wall of the rope groove is tightly attached, oil stains in the rope groove are cleaned, and meanwhile, the brush plate assembly 64 positioned at the other side of the cleaning frame 61 swings along with the rotation of the rope pulley 3, and the inner wall of the rope groove scraped by the scraper 63 is further cleaned;
when the trigger function test is required to be performed on the speed limiter, the supporting plate 22 is moved, the supporting plate 22 is prevented from being supported below the cleaning frame 61, at the moment, the up-and-down movement of the lifting frame 21 only drives the clamping wheels 52 positioned at two sides of the rope pulley 3 to move upwards, only the action of lifting the rope is completed, and then the rope pulley 3 can be conveniently controlled to rotate to perform the trigger function test on the speed limiter.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an elevator overspeed governor, includes mount pad (1), is provided with mounting bracket (4) on mount pad (1), and inside rope sheave (3) and the brake wheel (31) that are used for braking rope sheave (3) of being provided with of mounting bracket (4), still be provided with on mounting bracket (4) and be used for detecting speed sensor (41) of rope sheave (3) rotational speed, its characterized in that still includes:
two clamping assemblies (5) which are respectively arranged on the mounting seats (1) at two ends of the rope pulley (3) and are used for clamping ropes at two sides of the rope pulley (3) and pulling up two ends of the ropes upwards so that the ropes which are wound around the rope pulley (3) are separated from rope grooves of the rope pulley (3);
the cleaning component (6) is arranged right below the rope pulley (3) and used for cleaning the inside of a rope groove of the rope pulley (3), the cleaning component comprises a cleaning frame (61), a scraper (63) extending into the rope groove is arranged on one side of the cleaning frame (61) in an upward extending mode, and the cleaning frame (61) is installed between the rope pulley (3) and the bottom of the installation seat (1) in a lifting mode.
2. Elevator speed limiter according to claim 1, characterized in that each set of clamping assemblies (5) comprises two guide plates (51) and two clamping wheels (52) between the two guide plates (51), a gap is left between the two clamping wheels (52) for passing a rope extending down over the sheave (3), and the guide plates (51) are respectively provided with guide through holes (5101) for guiding the two clamping wheels (52) to approach each other; the guide through hole (5101) includes an upper vertical portion and a lower inclined portion; the mounting seat (1) is provided with a lifting frame (21) for driving the two clamping wheels (52) to move upwards.
3. Elevator speed limiter according to claim 2, characterized in that the outer end profiles of the two clamping wheels (52) are polygonal, and that in the situation in which the two clamping wheels (52) are in proximity to each other, the locking of the relative position of the two clamping wheels (52) is accomplished by the alignment of one of the sides of the outer end surfaces with each other.
4. An elevator speed limiter according to claim 3, characterized in that the mounting base (1) is provided with a bottom plate (2), the bottom plate (2) is located below the rope sheave (3), the bottom plate (2) is provided with a rectangular through groove (201), the lifting frame (21) is installed inside the rectangular through groove (201) in a vertically sliding mode, two ends of the lifting frame (21) extend to the side faces of the two clamping wheels (52), and the lifting frame (21) is provided with a supporting through hole (2101) for supporting the rotating shafts of the two clamping wheels (52).
5. Elevator speed limiter according to claim 4, characterized in that a base (11) is arranged below the mounting base (1), the base (11) is located right below the lifting frame (21), and a telescopic rod (12) for driving the lifting frame (21) to move up and down is arranged on the base (11).
6. The elevator speed limiter according to claim 5, characterized in that an elastic reset rod (13) is arranged below the cleaning frame (61), the lower side of the elastic reset rod (13) is connected with the base (11), the elastic reset rod (13) is used for driving the cleaning frame (61) to move towards the direction of the base (11), a lifting groove (2102) for the cleaning frame (61) to move up and down is arranged on the lifting frame (21), and supporting plates (22) supported below the cleaning frame (61) are arranged on two sides of the lifting frame (21).
7. Elevator speed limiter according to claim 6, characterized in that the bottom of the lifting frame (21) is provided with a chute (2103) for sliding the support plate (22) towards or away from the cleaning frame (61), and that the lifting frame (21) is further provided with a threaded rod (23) for controlling the sliding position of the support plate (22) in the chute (2103).
8. The elevator speed limiter according to claim 7, further comprising a brush plate assembly (64) and a driven wheel (62) for driving the brush plate assembly (64) to swing, wherein the driven wheel (62) is rotatably installed in the middle of the cleaning frame (61), an annular matching groove (6201) for pressing and contacting with the outer wall of the rope pulley (3) is formed in the driven wheel (62), an annular groove (6202) is formed in the middle of the driven wheel (62), a plurality of grooves (6203) are formed in the inner wall of the annular groove (6202) along the axial direction of the driven wheel (62), and the grooves (6203) are annularly distributed on the inner wall of the annular groove (6202).
9. The elevator speed limiter according to claim 8, wherein the brush plate assembly (64) comprises a swinging shaft (642) rotatably installed in the cleaning frame (61), a supporting rod (644) extending to the right lower part of the rope pulley (3) is arranged in the middle of the swinging shaft (642), bristles (641) extending to the inside of a rope groove of the rope pulley (3) are arranged at the top of the supporting rod (644), and torsion springs (643) for driving the swinging shaft (642) to rotate clockwise are arranged at two ends of the swinging shaft (642); the side slope of oscillating axle (642) is provided with shifting block (645) downwards, in shifting block (645) stretches into recess (6203) of follow driving wheel (62), shifting block (645) is in the rotation in-process of follow driving wheel (62), constantly slides in or slides out in different recess (6203) inside.
10. The elevator speed limiter according to claim 1, wherein a plurality of limiting blocks are annularly arranged on two sides of the rope pulley (3), a plurality of clamping blocks are annularly arranged on the end face, facing the rope pulley (3), of the brake wheel (31), a spring (32) for pushing the brake wheel (31) to move towards the rope pulley (3) is arranged between the brake wheel (31) and the mounting frame (4), a magnetic attraction block (33) for adsorbing the brake wheel (31) is arranged on the end face, facing the brake wheel (31), of the mounting frame (4), and in an initial state, the magnetic attraction block (33) adsorbs the brake wheel (31) to enable the brake wheel (31) to be far away from the rope pulley (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410073527.0A CN117585557A (en) | 2024-01-18 | 2024-01-18 | Elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410073527.0A CN117585557A (en) | 2024-01-18 | 2024-01-18 | Elevator speed limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117585557A true CN117585557A (en) | 2024-02-23 |
Family
ID=89918768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410073527.0A Pending CN117585557A (en) | 2024-01-18 | 2024-01-18 | Elevator speed limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117585557A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323217A (en) * | 2003-04-28 | 2004-11-18 | Mitsubishi Electric Building Techno Service Co Ltd | Governor rope device of elevator |
| CN201530652U (en) * | 2009-08-25 | 2010-07-21 | 日立电梯（中国）有限公司 | Automatic cleaning and oiling device of steel wire rope for elevator |
| CN204211307U (en) * | 2013-11-07 | 2015-03-18 | 东芝电梯株式会社 | Governor sheave scraper plate |
| CN108654934A (en) * | 2018-06-25 | 2018-10-16 | 瑞普兰德电梯有限公司 | Elevator wire rope surface processing device |
| CN108946374A (en) * | 2018-08-08 | 2018-12-07 | 西屋电梯有限公司 | A kind of elevator safety limiter of speed |
| CN110369355A (en) * | 2019-08-01 | 2019-10-25 | 苏晓林 | A kind of elevator governor grease cleaning device |
| JP2020117339A (en) * | 2019-01-22 | 2020-08-06 | 三菱電機ビルテクノサービス株式会社 | Elevator tension pulley cleaning device |
| CN214495324U (en) * | 2020-12-24 | 2021-10-26 | 北京中海物业管理有限公司 | Oil stain cleaning device for rope wheel of elevator speed limiter |
| CN219546433U (en) * | 2023-04-11 | 2023-08-18 | 河北合美电梯技术有限公司 | Elevator safety speed limiter |
-
2024
- 2024-01-18 CN CN202410073527.0A patent/CN117585557A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323217A (en) * | 2003-04-28 | 2004-11-18 | Mitsubishi Electric Building Techno Service Co Ltd | Governor rope device of elevator |
| CN201530652U (en) * | 2009-08-25 | 2010-07-21 | 日立电梯（中国）有限公司 | Automatic cleaning and oiling device of steel wire rope for elevator |
| CN204211307U (en) * | 2013-11-07 | 2015-03-18 | 东芝电梯株式会社 | Governor sheave scraper plate |
| CN108654934A (en) * | 2018-06-25 | 2018-10-16 | 瑞普兰德电梯有限公司 | Elevator wire rope surface processing device |
| CN108946374A (en) * | 2018-08-08 | 2018-12-07 | 西屋电梯有限公司 | A kind of elevator safety limiter of speed |
| JP2020117339A (en) * | 2019-01-22 | 2020-08-06 | 三菱電機ビルテクノサービス株式会社 | Elevator tension pulley cleaning device |
| CN110369355A (en) * | 2019-08-01 | 2019-10-25 | 苏晓林 | A kind of elevator governor grease cleaning device |
| CN214495324U (en) * | 2020-12-24 | 2021-10-26 | 北京中海物业管理有限公司 | Oil stain cleaning device for rope wheel of elevator speed limiter |
| CN219546433U (en) * | 2023-04-11 | 2023-08-18 | 河北合美电梯技术有限公司 | Elevator safety speed limiter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206474453U (en) | A kind of disk brake high-effective dust-removing equipment | |
| KR102144499B1 (en) | Underwater Bogie Sludge Collector with Bottom Transport | |
| CN109528109B (en) | Automatic cleaning device for outer vertical surface of building with crawler-type wall-climbing robot | |
| CN108114918B (en) | Tower section of thick bamboo cleaning device | |
| CN216549420U (en) | Hydraulic elevator with clamping mechanism | |
| CN113005870B (en) | Pavement notch opening device for asphalt pavement | |
| CN117585557A (en) | Elevator speed limiter | |
| CN110342386B (en) | Main hook electromagnetic bridge crane | |
| CN216662365U (en) | Autonomous intelligent vehicle lifting platform | |
| CN109179271B (en) | Wide-angle inclined climbing type window cleaning machine | |
| CN111469884B (en) | Auxiliary equipment for maintenance of subway servo frame | |
| CN113829074B (en) | Internal tooth cutting device for turntable bearing of pile driver accessory | |
| CN113104694B (en) | Safety tongs self-adjusting by instantaneous average deceleration | |
| CN216403485U (en) | Vertical anti-falling device for through-layer elevator | |
| CN112158738B (en) | Environment-friendly and energy-saving bridge crane | |
| CN107673197B (en) | A kind of electric block running trolley protective device | |
| CN112405587A (en) | Hardware component transposition grabbing device | |
| CN114211286B (en) | Floating support structure of ball screw pair and method for preventing shaking | |
| CN219259295U (en) | Wheel set lifting structure | |
| CN112127650B (en) | Height-adjustable's wall skin cleaning equipment | |
| CN218230430U (en) | Noise reduction mechanism and noise reduction production line | |
| CN214298934U (en) | Novel electro-hydraulic self-suspension rail clamping device | |
| CN210574907U (en) | LED guide board | |
| CN219279365U (en) | Plate lowering machine for brick production line | |
| CN217102755U (en) | Electronic spring top pushes away rail clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |