CN114684686A - Speed-limiting brake device of traction elevator - Google Patents
Speed-limiting brake device of traction elevator Download PDFInfo
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- CN114684686A CN114684686A CN202210014880.2A CN202210014880A CN114684686A CN 114684686 A CN114684686 A CN 114684686A CN 202210014880 A CN202210014880 A CN 202210014880A CN 114684686 A CN114684686 A CN 114684686A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a speed-limiting braking device for a traction elevator, which comprises a locking part, an elevator speed limiter and a driving part, wherein the locking part is used for arranging an elevator rope and has a locking function, the locking part is linked with the elevator speed limiter, so that the locking part is driven by the rope to rotate and drives a rotating wheel of the elevator speed limiter to rotate, the elevator speed limiter adopts a bidirectional elevator speed limiter.
Description
Technical Field
The invention relates to the field of elevator safety, in particular to a speed-limiting braking device of a traction elevator.
Background
Modern elevators are mainly composed of a traction machine (winch), guide rails, a counterweight, safety devices (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a car, a hall door and the like. These parts are installed in the hoistway and machine room of the building, respectively; the operation principle is that steel wire rope friction transmission is adopted, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a lift car and a balance weight, a traction motor drives the traction sheave to rotate after speed change of a speed reducer, and the lift car and the balance weight can move up and down by virtue of traction force generated by friction of the steel wire rope and the traction sheave, so as to achieve the purpose of lifting, and the steel wire rope is a first heavy safety guarantee from the structure and the operation principle of an elevator: the steel wire ropes connected with the lift car are not required to be broken, because the state has special regulation and requirements on the steel wire ropes for the lift, the steel wire ropes are configured not only for bearing the lift car and the rated load capacity, but also considering the magnitude of the traction force, the tensile strength of the steel wire ropes is greatly higher than the load capacity of the lift, the lift is generally provided with more than 4 steel wire ropes, and the probability is almost very small unless 4 steel wire ropes are broken simultaneously, so that the safety part of the lift is realized;
the elevator speed limiter working principle and safety inspection speed limiter are a device for limiting the overspeed running of an elevator car or a counterweight, and are used as an important component part for overspeed and runaway protection of an elevator, and the function of a limiter in the elevator is important. When the elevator exceeds the speed of the movement of the speed limiter, the safety switch of the speed limiter moves to disconnect the control loop, and the elevator stops running. At the moment, the steel wire rope of the speed limiter pulls up a safety gear connecting rod system arranged on a car beam by means of the friction force of a rope pulley or a rope clamping mechanism, the safety gear acts to forcibly stop a car on a guide rail, however, the existing braking part of the speed limiter generally adopts a connecting rod mechanism to drive, pre-tighten and brake, the pressing force effect is general due to the limitation of the driving structure and the limitation of the body type, so that a dragging rope cannot be tensioned, the safety gear cannot receive the pulling action, the effective contact area between the steel wire rope and a rope groove of the speed limiter can be reduced if the rope groove of the speed limiter is seriously abraded under the condition of the tensile action of the rope groove and the oil pollution on the surface of the steel wire rope, the friction force is reduced, the oil pollution on the surface of the steel wire rope is more, the friction force can also be reduced, the speed limiter is insensitive to cause the failure of the protection function under the severe condition, the braking of the current speed limiter usually adopts a group of brake blocks to act on part of the rope surface, the braking effect is generally such that, after a certain wear of the rope, the pressing force is insufficient, resulting in a failure of the brake.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the speed-limiting braking device for the traction elevator, which has a reasonable structural design.
The technical scheme adopted by the invention for solving the problems is as follows: the locking component is used for setting an elevator rope and has a locking function, the locking component is linked with the elevator speed limiter, so that the locking component is driven by the rope to rotate and drive a rotating wheel of the elevator speed limiter to rotate, the elevator speed limiter adopts a bidirectional elevator speed limiter, the driving component is linked with the elevator speed limiter and is connected with the driving component, the elevator speed limiter rotating wheel stops and then the linkage driving component acts, and the locking functional component of the driving component is linked with the locking component to lock the elevator rope.
Further: the locking component comprises a left fixing part, a right fixing part, a limiting ring and a supporting part, wherein the limiting ring is arranged on the supporting rod at intervals in a penetrating way through the supporting rod on the upper side, the two ends of the supporting rod are fixed with the left fixing part and the right fixing part, the limiting ring is arranged on the supporting rod at a limit position through elastic buckles on the two sides, the supporting part comprises a rotating section, a limiting section and a connecting section, the limiting ring and the rotating section are arranged in an axial sliding way, the end face of the limiting ring and the wall face of the rotating section are respectively provided with an anti-skidding layer, one end of the rotating section is connected with the limiting section, the other first end of the rotating section is fixed with the connecting section, the limiting section is arranged in an axial sliding way in the inner cavity of the left fixing part, the rotating section and the connecting section are in axial rotating and sliding connection with the right fixing part, a connecting disc is arranged in the cavity of the right fixing part, and the connecting disc and the connecting section are in sliding and non-rotating connection, the connection pad is fixed with the runner of elevator overspeed governor for the section of rotating rotates the runner that drives the elevator overspeed governor and rotates, the linkage section connect the driver part, driver part and the linkage of elevator overspeed governor for elevator overspeed governor speed limit runner stop to rotate and trigger driver part drive supporting part axial translation rightward, and then make the spacing ring of spacing part right side sliding contact head end gradually press from both sides the fastening to the rope, left mounting, right mounting and driver part set up on the body support, the body support position of section of rotating downside is provided with the threading groove and is used for the through wire.
Further: the elevator speed limiter comprises a rotating wheel, a limiting wheel, a balance weight rod, a limiting block and a driving disc, wherein the balance weight rod is hinged with a support of the limiting wheel, one end of the balance weight rod is provided with the limiting block matched with limiting teeth of the limiting wheel, one end of the balance weight rod provided with the limiting block is connected with one end of a first resistance spring, the other end of the first resistance spring is fixed with the rotating wheel, the limiting wheel is connected with a support frame through a machine body support, the machine body support is relatively and rotatably provided with a rotating disc, the rotating disc is provided with a resistance pin mechanism, the resistance pin mechanism comprises an installation cylinder, an ejector rod, a second resistance spring and a limiting rod, one end of the ejector rod is arranged in the installation cylinder in a sliding manner, the second resistance spring is arranged in a cavity of the installation cylinder, one end of the second resistance spring is contacted with one end of the ejector rod, and the other end of the second resistance spring is fixed with a resistance block, the limiting rod is fixed with one end of the ejector rod, the resistance block is sleeved on the limiting rod in a sliding mode, a sliding groove is formed in the wall surface of the mounting cylinder along the axial direction, the guide rod is arranged on the sliding groove in a sliding mode, one end of the guide rod is fixed with the resistance block, the other end of the guide rod is provided with a limiting nut in a threaded fit mode, the limiting nut is in contact with the wall surface of the mounting cylinder to enable the position of the resistance block to be fastened, the mounting cylinder is fixed with the rotating wheel, the linkage part comprises a limiting disc and a tension spring, the limiting disc and the limiting wheel are arranged in an axial sliding mode, the tension spring is arranged between the limiting disc and the limiting wheel, and the other end of the limiting rod is provided with a limiting part connected with the limiting disc; the driving part comprises a driving outer barrel and a driving inner shaft, the driving outer barrel is rotatably connected with the machine body support and is provided with a spring piece for rotating and storing energy, the driving inner shaft is axially and slidably arranged and fixed with the connecting section through an auxiliary shaft, a guide shaft is arranged on the inner wall surface of the driving outer barrel, a spiral guide groove is formed in the outer wall surface of the driving inner shaft, the driving outer barrel rotates to drive the driving inner shaft to slide towards the right side, and the limiting disc and the driving outer barrel are provided with one-way limiting parts to limit the driving outer barrel to rotate under the driving of the spring piece.
Further: the one-way limiting component comprises a limiting wedge block and elastic clamping pieces, the elastic clamping pieces are arranged on the connecting support in a radial sliding mode through the contraction springs, one side of the limiting wedge block is a vertical surface which is arranged in a radial mode, the other side of the limiting wedge block is an arc-shaped surface, the elastic clamping pieces are in contact with the vertical surface to limit the rotation of the driving outer barrel to rotate and rotate reversely under the action of the contraction springs, the arc-shaped surface drives the elastic clamping pieces to lift so as to drive the outer barrel to rotate forwards, the connecting support is fixed with the limiting disc, the driving outer barrel is concentrically arranged to be provided with multiple groups of one-way limiting components, and the driving outer barrel is provided with belt pulleys for driving the belt motor to drive the driving outer barrel to rotate forwards and store power to roll up spring parts.
And further: the spacing ring downside be provided with the slide bar, the slide bar is smooth surface and left mounting and right mounting fixed, the spacing ring is the slip setting with the slide bar, the slide bar set up with rotate the radial perpendicular line inboard of section level, the rope of elevator is worn to establish via rotating the section and by the inboard of slide bar and is fallen.
Further: the limiting component is a U-shaped clamping groove piece, the clamping component is arranged on the limiting disc, a roller piece is arranged on the U-shaped clamping groove piece, and the roller piece is arranged in an annular groove of the limiting disc.
Compared with the prior art, the invention has the following advantages and effects: the invention can effectively monitor and carry out emergency braking under the condition that the elevator runs at an overspeed, because the clamping limiting block deflects and clamps the upper side rope to the right side, in the structure, because the rotating part adopts the anti-skid layer, after the rotating part stops under the action of the elevator speed limiter, the rope and the wall surface thereof have friction action, the speed is buffered to a certain extent, simultaneously, the elevator speed limiter triggers the driving part to work, the limiting section moves to the right, the rope is further clamped and pressed, and the elevator goes upwards or downwards to stop, the braking structure adopts the independent action of each rope, thereby not only ensuring the arrangement effect of the ropes, avoiding the interaction of rope parts, having good effect on prolonging the service life of the ropes, but also carrying out the independent action on each rope simultaneously, increasing the contact area with the extension and retraction in the braking process, further improving the braking effect, the probability of brake failure is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a speed limiting brake device of a traction elevator in an embodiment of the invention.
Fig. 2 is a schematic internal structure diagram of a speed limiting brake device of a traction elevator according to an embodiment of the invention.
FIG. 3 is a schematic diagram of a resistance pin mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a rope arrangement according to an embodiment of the invention.
Fig. 5 is a schematic view of a connection structure of the compression compensating mechanism according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of the elevator governor structure of the embodiment of the invention.
Fig. 7 is a schematic view of a connection structure of the driving disc according to the embodiment of the present invention.
Fig. 8 is a schematic view of a connection structure of the one-way limiting member according to the embodiment of the present invention.
The reference numbers: the elevator safety device comprises a locking part 1, an elevator speed limiter 2, a driving part 3, a left fixing part 11, a right fixing part 12, a limiting ring 13, a supporting part 14, an elastic ring 15, a rotating section 16, a limiting section 17, a connecting section 18, a machine body bracket 4, a threading groove 41, a rotating wheel 21, a limiting wheel 22, a counterweight rod 23, a limiting block 24, a driving disk 25, a first resistance spring 26, a resistance pin mechanism 5, a mounting cylinder 51, a top rod 52, a second resistance spring 53, a limiting rod 54, a limiting nut 55, a limiting disk 61, a tension spring 62, a driving outer cylinder 64, a driving inner shaft 65, a coiling spring part 66, a guide shaft 67, a spiral guide groove 68, a sliding rod 69, a clamping groove part 610, an annular groove 612, a driving block 71, an auxiliary wheel 72, a limiting ring 73, a driving ring 74, a limiting wedge 81, an elastic wedge block 82, a connecting bracket 83, a contraction spring 84, a belt pulley 85 and a supporting bracket 612.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1-8, the speed-limiting braking device for a traction elevator comprises a locking component 1, an elevator speed limiter 2 and a driving component 3, wherein the locking component 1 is used for arranging an elevator rope and has a locking function, the locking component 1 is linked with the elevator speed limiter 2, so that the locking component 1 is driven by the rope to rotate and drives a wheel 21 of the elevator speed limiter 2 to rotate, the elevator speed limiter 2 adopts a bidirectional elevator speed limiter 2, the driving component 3 is linked with the elevator speed limiter 2, the driving component 3 is connected with the locking component 1, so that the speed-limiting wheel 21 of the elevator speed limiter 2 stops and the driving component 3 is linked to act, the driving component 3 is linked with the locking functional component of the locking component 1 so that the locking functional component locks the elevator rope, the locking component 1 comprises a left fixing piece 11, a right fixing piece 12, a limiting ring 13 and a supporting piece 14, the limiting ring 13 is arranged on the supporting rod at intervals in a penetrating manner through the supporting rod on the upper side, two ends of the supporting rod are fixed with the left fixing part 11 and the right fixing part 12, the limiting ring 13 is arranged on the supporting rod in a limiting manner through elastic rings 15 on two sides in a buckling manner, the supporting part comprises a rotating section 16, a limiting section 17 and a connecting section 18, the limiting ring 13 and the rotating section 16 are arranged in an axial sliding manner, the end face of the limiting ring 13 and the wall face of the rotating section 16 are provided with anti-slip layers, one end of the rotating section 16 is connected with the limiting section 17, the other first end of the rotating section 16 is fixed with the connecting section 18, the limiting section 17 is arranged in an axial sliding manner in the inner cavity of the left fixing part 11, the rotating section 16 and the connecting section 18 are in axial rotating and sliding connection with the right fixing part 12, a connecting disc is arranged in the cavity of the right fixing part 12, the connecting disc and the connecting section 18 are in sliding and are not in rotating connection, the connecting disc is fixed with a rotating wheel 21 of an elevator speed limiter 2, so that a rotating section 16 rotates to drive the rotating wheel 21 of the elevator speed limiter 2 to rotate, the connecting section 18 is connected with a driving part 3, the driving part 3 is linked with the elevator speed limiter 2, the speed limiting rotating wheel 21 of the elevator speed limiter 2 stops rotating to trigger the driving part 3 to drive a supporting part to move axially and rightwards, and further the limiting part slides towards the right side to contact with a limiting ring 13 at the head end to gradually clamp and fasten a rope, the elevator lifting rope is arranged on a traction elevator machine room and is matched and arranged on a traction system, an elevator lifting rope is arranged on the rotating section 16 in the initial stage, when the elevator lifts or descends, as the elevator lifting rope is stressed on the rotating section 16 to drive the rotating section 16 to synchronously rotate, the rotating section 16 is linked with the elevator speed limiter 2 to drive the rotating wheel 21 of the elevator to rotate, and when the elevator lifts or descends at an excessive speed, the elevator limiting part is limited to stop speed, the driving part 3 drives the supporting part 14 to slide towards the right side, the rotating section 16 enters the cavity of the right fixing part 12, the limiting section 17 extends out, the limiting section 17 drives the limiting ring 13 to slide towards the right side, the limiting ring 13 at the leftmost side is limited by the right fixing part 12, so that the adjacent limiting rings 13 gradually reduce the gap, and the rope arranged in the groove formed by the limiting rings 13 is locked and fixed, so that the traction system stops working, compared with the traditional speed limiter, the speed limiter generally needs to be matched with safety tongs for braking in a combined way, and because the safety tongs cannot be maintained, skid, lack of oil and rust, the lifting force is overlarge and the like, the safety tongs are easy to lose efficacy when in action, and the elevator cannot be well braked under the condition of falling to the bottom or pushing to the top, so that a large safety accident is caused, the invention has the above problems of structure, and designs a device for integrally linking speed limitation and braking, under the condition that the elevator runs at an overspeed, the monitoring and emergency braking can be effectively carried out, the clamping limiting block 24 deflects and tightens the upper side rope to the right side, in the structure, the anti-slip layer is adopted by the rotating part, after the rotating part stops under the action of the elevator speed limiter 2, the rope and the wall surface of the rope have a friction effect, the speed is buffered to a certain extent, meanwhile, the elevator speed limiter 2 triggers the driving part 3 to work, the limiting section 17 moves to the right side, the rope is further clamped and compacted, the elevator goes upwards or downwards to stop, the braking structure adopts the independent action of each rope, the arrangement effect of the ropes is ensured, the interaction of the rope parts is avoided, the good effect is achieved on prolonging the service life of the ropes, the independent action is simultaneously carried out on each rope, and the contact area with the extension and retraction is increased in the braking process, further improving the braking effect and greatly reducing the probability of brake failure.
The elevator speed limiter 2 in this embodiment includes a rotating wheel 21, a limiting wheel 22, a counterweight rod 23, a limiting block 24 and a driving disc 25, the counterweight rod 23 is hinged to a support of the limiting wheel 22, the limiting block 24 matched with limiting teeth of the limiting wheel 22 is arranged at one end of the counterweight rod 23, one end of the counterweight rod 23 provided with the limiting block 24 is connected with one end of a first resistance spring 26, the other end of the first resistance spring 26 is fixed with the rotating wheel 21, the limiting wheel 22 is provided with a rotating disc through a connecting support frame 612, the machine body support 4 is relatively rotatably provided with a rotating disc, the rotating disc is provided with a resistance pin mechanism 5, the resistance pin mechanism 5 includes a mounting cylinder 51, a top rod 52, a second resistance spring 53 and a limiting rod 54, one end of the top rod 52 is slidably arranged in the mounting cylinder 51, the second resistance spring 53 is arranged in a cavity of the mounting cylinder 51, one end of a second resistance spring 53 is contacted with one end of a mandril 52, the other end of the second resistance spring 53 is fixed with a resistance block, a limit rod 54 is fixed with one end of the mandril 52, the resistance block is sleeved on the limit rod 54 in a sliding manner, a sliding groove is axially arranged on the wall surface of the mounting cylinder 51, a guide rod is arranged on the sliding groove in a sliding manner, one end of the guide rod is fixed with the resistance block, a limit nut 55 is arranged at the other end of the guide rod in a threaded fit manner, the limit nut 55 is contacted with the wall surface of the mounting cylinder 51 to enable the position of the resistance block to be fastened, the mounting cylinder 51 is fixed with the rotating wheel 21, a linkage part comprises a limit disc 61 and a tension spring 62, the limit disc 61 and the limit wheel 22 are axially arranged in a sliding manner, a tension spring 62 is arranged between the limit disc 61 and the limit wheel 22, and a limit part connected with the limit disc 61 is arranged at the other end of the limit rod 54; the driving part 3 comprises a driving outer cylinder 64 and a driving inner shaft 65, the driving outer cylinder 64 is rotatably connected with the machine body support 4 and is provided with a spring coiling part 66 for rotating and storing energy, the driving inner shaft 65 is axially arranged in a sliding manner and is fixed with the connecting section 18 through an auxiliary shaft, the inner wall surface of the driving outer cylinder 64 is provided with a guide shaft 67, the outer wall surface of the driving inner shaft 65 is provided with a spiral guide groove 68, so that the driving outer cylinder 64 rotates to drive the driving inner shaft 65 to slide towards the right side, the limiting disc 61 and the driving outer cylinder 64 are provided with one-way limiting parts to limit the rotation of the driving outer cylinder 64 under the driving of the spring coiling part 66, the speed limiter is adopted to carry out speed limiting action and trigger the linkage part and drive the driving part 3 to lock the rope, so that the traction system stops working, the safe operation of the elevator is ensured, wherein when the speed of the traction system is too fast, triggering the balance weight rod 23 to rotate, wherein the limit teeth are matched with the limit block 24 at the moment, so that the rotating wheel 21 stops rotating and the rotating section 16 stops rotating in a linkage manner, the friction force between a rope and the rotating section 16 is increased, buffering and speed reduction are performed, meanwhile, the balance weight rod 23 is provided with the resistance pin mechanism 5, on one hand, the resistance pin mechanism 5 changes the position of a resistance block in the installation barrel 51 through an adjusting nut, so that the pressing force of one end of the ejector rod 52 on the balance weight rod 23 is changed, and further, the speed limit value of the elevator speed limiter 2 is adjusted, on the other hand, after the balance weight rod 23 rotates to a preset position, one end of the ejector rod 52 is separated from the position of the balance weight rod 23, the ejector rod 52 moves towards the left side, on the other hand, as the ejector rod 52 is fixed with the limit rod 54, on the one hand, the limit rod 54 can effectively prevent the reset of the balance weight rod 23, on the other hand, the limit rod 54 also moves towards the left side, and as the limit rod 54 is connected with the limit disc 61 through a limit part, the contact limiting disc 61 is used for limiting, the limiting disc 61 slides to the left under the action of the tension spring 62, the limiting disc 61 and the driving outer cylinder 64 are provided with one-way limiting parts to limit the driving outer cylinder 64 to rotate under the driving of the coil spring part 66, when the limiting parts are released from contacting with the driving outer cylinder 64, the driving outer cylinder 64 is in contact with and rotates for limiting, the coil spring part 66 rotates, the guide shaft 67 is matched with the spiral guide groove 68, so that the driving outer cylinder 64 rotates to drive the driving inner shaft 65 to slide to the right, and the functional part of the driving part 3 is driven to slide to the left and lock (after the locking is stopped, the coil spring part 66 still keeps certain power to prevent the coil spring part 66 from completely losing elastic energy storage to cause certain reset rebound), the acting force of the coil spring part 66 can be set according to the width of the coil spring and the formation of a scroll, so that a certain residual force is ensured under the clamping condition, and the reset rebound after clamping is avoided, in the embodiment, the limiting component is a U-shaped clamping groove part 610 clamped on the limiting disc 61, a roller part is arranged on the U-shaped clamping groove part 610, the roller part is arranged in an annular groove 612 of the limiting disc 61, so that the limiting component can rotate around the limiting disc 61, specifically, the one-way limiting component comprises a limiting wedge block 81 and an elastic clamping piece 82, the elastic clamping piece 82 is radially arranged on a connecting bracket 83 in a sliding manner through a contraction spring 84, one side of the limiting wedge block 81 is a vertical surface arranged in the radial direction, the other side of the limiting wedge block is an arc surface, the elastic clamping piece 82 is in forward rotation and reverse rotation limited by the contraction spring 84 in contact with the vertical surface, the elastic clamping piece 82 is lifted by driving the arc surface to drive the elastic clamping piece 82 to drive the outer cylinder 64 to rotate in the forward rotation, the connecting support 83 is fixed with the limiting disc 61, the driving outer cylinder 64 is concentrically provided with a plurality of groups of one-way limiting parts, the driving outer cylinder 64 is provided with a belt pulley 85 for driving the driving outer cylinder 64 to rotate forward to accumulate the force and roll up the spring part 66, in the structure, on one hand, the limiting disc 61 does not pull back, an elastic clamping block is contacted with the limiting wedge block 81 to perform one-way limiting on the driving outer cylinder 64, when the limiting disc 61 pulls back, the limiting disc is driven by the connecting support 83, the elastic clamping block is relieved from being matched with the limiting wedge block 81, and the driving outer cylinder 64 rotates under the action of the spring part 66, on the other hand, the force accumulation of the spring part 66 on the driving outer cylinder 64 is performed through the belt motor, the non-return rotating structure is more convenient to operate, and in the embodiment, the limiting disc 61 is axially and penetrates through the supporting frame 612 in a sliding mode.
According to the invention, the sliding rod 69 is arranged on the lower side of the limiting ring 13, the sliding rod 69 is a smooth surface, the left fixing part 11 and the right fixing part 12 are fixed, the limiting ring 13 and the sliding rod 69 are arranged in a sliding manner, the sliding rod 69 is arranged on the inner side of a vertical line which is horizontally radial to the rotating section 16, a rope of an elevator passes through the rotating section 16 and falls from the inner side of the sliding rod 69, as can be seen from figure 4, on one hand, the arrangement of the sliding rod 69 is beneficial to ensuring the contact between the rope and the rotating section 16, so that pre-tightening is ensured, the rope slides to drive the rotating section 16 to rotate, on the other hand, the contact between the rope and the rotating section 16 and the limiting ring 13 is improved, so that the contact surface is larger during locking action, and the locking effect is further improved.
The right fixing piece 12 of the invention is also provided with a compression compensation mechanism, the compression compensation mechanism comprises a driving block 71 and an auxiliary wheel 72, the driving block 71 is provided with a V-shaped surface arranged at the left side, the driving block 71 is arranged in a cavity of the right fixing piece 12 in a radial sliding manner, the lower side inclined surface of the driving block 71 is rotatably provided with the auxiliary wheel 72, the right fixing piece 12 is axially provided with a sliding sleeve for limiting the position of the position-limiting ring 13 in a sliding manner, one end of the sliding sleeve is contacted with the position-limiting ring 73, the other end of the sliding sleeve is contacted with the inclined surface at the upper side of the driving block 71, the connecting section 18 is provided with a driving ring 74, the driving ring 74 is provided with an inclined surface contacted with the lower side of the driving block 71, a plurality of groups of compression compensation mechanisms are symmetrically arranged in the cavity of the right fixing piece 12, and due to the difference of ropes of the elevator, when the right moving stroke can not well clamp the position-limiting disc 61, and improve the big small volume that the stroke can increase the organism on the one hand, also need improve the pretension performance of rolling up spring part 66 on the one hand, through this structure, when linkage segment 18 moved to the right side, the inclined plane of drive ring 74 acted on locking compensation mechanism, and drive block 71 is outwards mentioned along the axial, then acted on spacing collar 73 and moved to the left side for compensate the stroke of locking, improve the adaptation to the rope, guarantee the tight effect of clamp to the rope.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a tow elevator speed limit arresting gear which characterized in that: the method is characterized in that: the elevator speed limiter comprises a locking component, an elevator speed limiter and a driving component, wherein the locking component is used for setting an elevator rope and has a locking function, the locking component is linked with the elevator speed limiter to enable the locking component to be driven by the rope to rotate and drive a rotating wheel of the elevator speed limiter to rotate, the elevator speed limiter adopts a bidirectional elevator speed limiter, the driving component is linked with the elevator speed limiter and is connected with the driving component, so that the speed limiting rotating wheel of the elevator speed limiter stops and then is linked with the driving component to act, and the driving component is linked with the locking functional component of the locking component to enable the locking functional component to lock the elevator rope.
2. The traction elevator speed-limiting braking device according to claim 1, characterized in that: the locking component comprises a left fixing part, a right fixing part, a limiting ring and a supporting part, wherein the limiting ring is arranged on the supporting rod at intervals in a penetrating way through the supporting rod on the upper side, the two ends of the supporting rod are fixed with the left fixing part and the right fixing part, the limiting ring is arranged on the supporting rod at a limit position through elastic buckles on the two sides, the supporting part comprises a rotating section, a limiting section and a connecting section, the limiting ring and the rotating section are arranged in an axial sliding way, the end face of the limiting ring and the wall face of the rotating section are respectively provided with an anti-skidding layer, one end of the rotating section is connected with the limiting section, the other first end of the rotating section is fixed with the connecting section, the limiting section is arranged in an axial sliding way in the inner cavity of the left fixing part, the rotating section and the connecting section are in axial rotating and sliding connection with the right fixing part, a connecting disc is arranged in the cavity of the right fixing part, and the connecting disc and the connecting section are in sliding and non-rotating connection, the connection pad is fixed with the runner of elevator overspeed governor for the section of rotating rotates the runner that drives the elevator overspeed governor and rotates, the linkage section connect the driver part, driver part and the linkage of elevator overspeed governor for elevator overspeed governor speed limit runner stop to rotate and trigger driver part drive supporting part axial translation rightward, and then make the spacing ring of spacing part right side sliding contact head end gradually press from both sides the fastening to the rope, left mounting, right mounting and driver part set up on the body support, the body support position of section of rotating downside is provided with the threading groove and is used for the through wire.
3. The traction elevator speed-limiting braking device according to claim 2, characterized in that: the elevator speed limiter comprises a rotating wheel, a limiting wheel, a balance weight rod, a limiting block and a driving disc, wherein the balance weight rod is hinged with a support of the limiting wheel, one end of the balance weight rod is provided with the limiting block matched with limiting teeth of the limiting wheel, one end of the balance weight rod provided with the limiting block is connected with one end of a first resistance spring, the other end of the first resistance spring is fixed with the rotating wheel, the limiting wheel is connected with a support frame through a machine body support, the machine body support is relatively and rotatably provided with a rotating disc, the rotating disc is provided with a resistance pin mechanism, the resistance pin mechanism comprises an installation cylinder, an ejector rod, a second resistance spring and a limiting rod, one end of the ejector rod is arranged in the installation cylinder in a sliding manner, the second resistance spring is arranged in a cavity of the installation cylinder, one end of the second resistance spring is contacted with one end of the ejector rod, and the other end of the second resistance spring is fixed with a resistance block, the limiting rod is fixed with one end of the ejector rod, the resistance block is sleeved on the limiting rod in a sliding mode, a sliding groove is formed in the wall surface of the mounting cylinder along the axial direction, the guide rod is arranged on the sliding groove in a sliding mode, one end of the guide rod is fixed with the resistance block, the other end of the guide rod is provided with a limiting nut in a threaded fit mode, the limiting nut is in contact with the wall surface of the mounting cylinder to enable the position of the resistance block to be fastened, the mounting cylinder is fixed with the rotating wheel, the linkage part comprises a limiting disc and a tension spring, the limiting disc and the limiting wheel are arranged in an axial sliding mode, the tension spring is arranged between the limiting disc and the limiting wheel, and the other end of the limiting rod is provided with a limiting part connected with the limiting disc; the driving part comprises a driving outer barrel and a driving inner shaft, the driving outer barrel is rotatably connected with the machine body support and is provided with a spring piece for rotating and storing energy, the driving inner shaft is axially and slidably arranged and fixed with the connecting section through an auxiliary shaft, a guide shaft is arranged on the inner wall surface of the driving outer barrel, a spiral guide groove is formed in the outer wall surface of the driving inner shaft, the driving outer barrel rotates to drive the driving inner shaft to slide towards the right side, and the limiting disc and the driving outer barrel are provided with one-way limiting parts to limit the driving outer barrel to rotate under the driving of the spring piece.
4. The traction elevator speed-limiting braking device according to claim 3, characterized in that: one-way spacing part include spacing voussoir and elasticity fastener, the elasticity fastener be radial slide through the shrink spring and set up on linking bridge, spacing voussoir one side be with the perpendicular of radial setting, the opposite side is the arcwall face, the elasticity fastener rotate the reversal in perpendicular contact restriction drive urceolus under the effect of shrink spring, make drive urceolus corotation by arcwall face drive elasticity fastener lifting, linking bridge fixed with spacing dish, the drive urceolus arrange with one heart and be provided with the one-way spacing part of multiunit, the drive urceolus be provided with the belt pulley and be used for the belt motor to drive the urceolus corotation and hold power and roll up the spring part.
5. The traction elevator speed limiting brake device according to claim 3, characterized in that: the spacing ring downside be provided with the slide bar, the slide bar is smooth surface and left mounting and right mounting fixed, the spacing ring is the slip setting with the slide bar, the slide bar set up with rotate the radial perpendicular line inboard of section level, the rope of elevator is worn to establish via rotating the section and by the inboard of slide bar and is fallen.
6. The traction elevator speed-limiting braking device according to claim 3, characterized in that: the limiting component is a U-shaped clamping groove piece, the clamping component is arranged on the limiting disc, a roller piece is arranged on the U-shaped clamping groove piece, and the roller piece is arranged in an annular groove of the limiting disc.
7. The traction elevator speed-limiting braking device according to claim 3, characterized in that: the right mounting on still be provided with the compensation mechanism that compresses tightly, the compensation mechanism that compresses tightly include drive block, auxiliary wheel, the drive block be provided with be the V profile that the left side set up, the drive block sets up in the cavity by the right mounting through being radial slip, the downside inclined plane of drive block rotate and be provided with the auxiliary wheel, right mounting be axial slip and be provided with the sliding sleeve that is used for spacing ring, the one end and the spacing collar contact of sliding sleeve, the inclined plane contact of the other end of sliding sleeve and drive block upside, the linkage segment be provided with the drive ring, the drive ring be provided with the inclined plane with drive block downside contact.
8. The traction elevator speed-limiting braking device according to claim 7, characterized in that: the multiple groups of compression compensation mechanisms are symmetrically arranged in the cavity of the right fixing piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014880.2A CN114684686B (en) | 2022-01-07 | 2022-01-07 | Traction elevator speed limiting braking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014880.2A CN114684686B (en) | 2022-01-07 | 2022-01-07 | Traction elevator speed limiting braking device |
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| CN114684686A true CN114684686A (en) | 2022-07-01 |
| CN114684686B CN114684686B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210014880.2A Active CN114684686B (en) | 2022-01-07 | 2022-01-07 | Traction elevator speed limiting braking device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215184A (en) * | 2022-07-19 | 2022-10-21 | 日立电梯电机（广州）有限公司 | Climbing mechanism, traction machine mounting system and control method of climbing mechanism |
| CN117228565A (en) * | 2023-11-10 | 2023-12-15 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960930A (en) * | 2004-12-27 | 2007-05-09 | 三菱电机株式会社 | Speed governor device of elevator |
| WO2009130366A1 (en) * | 2008-04-23 | 2009-10-29 | Kone Corporation | Overspeed governor of an elevator, and elevator |
| CN104163372A (en) * | 2014-07-17 | 2014-11-26 | 东南电梯股份有限公司 | Super-high-rise elevator electrical and mechanical double-protection cordless speed limiting system and method |
| CN111924677A (en) * | 2020-06-16 | 2020-11-13 | 浙江智菱科技有限公司 | Elevator anti-falling safety protection system |
-
2022
- 2022-01-07 CN CN202210014880.2A patent/CN114684686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960930A (en) * | 2004-12-27 | 2007-05-09 | 三菱电机株式会社 | Speed governor device of elevator |
| WO2009130366A1 (en) * | 2008-04-23 | 2009-10-29 | Kone Corporation | Overspeed governor of an elevator, and elevator |
| CN104163372A (en) * | 2014-07-17 | 2014-11-26 | 东南电梯股份有限公司 | Super-high-rise elevator electrical and mechanical double-protection cordless speed limiting system and method |
| CN111924677A (en) * | 2020-06-16 | 2020-11-13 | 浙江智菱科技有限公司 | Elevator anti-falling safety protection system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215184A (en) * | 2022-07-19 | 2022-10-21 | 日立电梯电机（广州）有限公司 | Climbing mechanism, traction machine mounting system and control method of climbing mechanism |
| CN115215184B (en) * | 2022-07-19 | 2024-01-26 | 日立电梯电机（广州）有限公司 | Climbing mechanism, traction machine mounting system and climbing mechanism control method |
| CN117228565A (en) * | 2023-11-10 | 2023-12-15 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
| CN117228565B (en) * | 2023-11-10 | 2024-04-02 | 远方电梯(靖江)有限公司 | Self-locking winch for winding steel cable |
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|---|---|
| CN114684686B (en) | 2024-01-09 |
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