CN201058780Y - Novel elevator over-speed governor - Google Patents

Novel elevator over-speed governor Download PDF

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Publication number
CN201058780Y
CN201058780Y CNU2007201117624U CN200720111762U CN201058780Y CN 201058780 Y CN201058780 Y CN 201058780Y CN U2007201117624 U CNU2007201117624 U CN U2007201117624U CN 200720111762 U CN200720111762 U CN 200720111762U CN 201058780 Y CN201058780 Y CN 201058780Y
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CN
China
Prior art keywords
ratchet
friction
wheel
frame
spring
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.)
Expired - Lifetime
Application number
CNU2007201117624U
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Chinese (zh)
Inventor
励海云
杨宝金
何根旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO SHENLING LIFT ACCESSORIES CO Ltd
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NINGBO SHENLING LIFT ACCESSORIES CO Ltd
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Priority to CNU2007201117624U priority Critical patent/CN201058780Y/en
Application granted granted Critical
Publication of CN201058780Y publication Critical patent/CN201058780Y/en
Anticipated expiration legal-status Critical
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Abstract

A novel elevator speed limiter is applicable to protecting an elevator against upward overspeed or downward overspeed or upward and downward two-way overspeed, thereby ensuring the running safety of the elevator. The utility model comprising speed limiter components in the prior art is characterized in that: a friction pair matching with a ratchet wheel is arranged between the ratchet wheel and the machine frame of the prior speed limiter. Through adding the friction pair, the utility model finally supplies a tensile force of a cable wire, i.e. a drawing force; furthermore, relative slide does not exist between a rope pulley and the cable wire, thereby protecting a rope groove against wear and damage and accordingly bringing about a stable drawing force between the cable wire and the rope pulley; in addition, the utility model has simple structure, low cost as well as safe and reliable operation.

Description

Novel elevator governor
Technical field
The utility model relates to and is used for ascending for elevator hypervelocity or descending hypervelocity or the detection of up-down bidirectional hypervelocity fault and the technical field of safety devices of correction, specifically relates to a kind of elevator speed governor.
Background technology
The elevator overspeed protecting device that uses all is to drive the brake device for elevator action by velocity limiter at present, makes the deceleration of elevator stop; In this process, velocity limiter is taken turns at first by stop; And elevator drives steel rope and continues to slide in the grooving of velocity limiter wheel, grooving destructions that is worn, and then cause the tension force of governor rope to rise, i.e. pulling capacity rising may cause that other parts on the velocity limiter are impaired.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of elevator governor of novelty is provided, and makes the grooving of the rope sheave destruction that is not worn, and makes the pulling capacity of steel rope and rope sheave stable, and simple in structure, and cost is low, and is safe and reliable to operation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of elevator governor of novelty comprises frame, rope sheave, ratchet, ratchet, lock pin; On the said frame electric switch is installed; Said rope sheave is installed on the frame by sheave shaft, and ratchet is installed on the rope sheave outside, and the ratchet that matches with ratchet is hinged on the rope sheave; Rope sheave is provided with the elastic mechanism and the ratchet releasing mechanism of tractive ratchet, and this ratchet releasing mechanism is linked by an end and rope sheave, the bolt link of the hinged centrifugal hammer of the other end, and with centrifugal hammer pivotally attached connecting rod, and the spring that is provided with on the centrifugal hammer is formed; Also be provided with switch and make bar on centrifugal hammer, its swing with centrifugal hammer triggers elevator brake mechanism; Said connecting rod, bolt link, and a pair of centrifugal hammer forms quadrilateral structure; Said lock pin is located on the frame; It is characterized in that, between said ratchet and frame, also be provided with the friction pair that constitutes with ratchet; When elevator overspeed, the velocity limiter action, trigger brake device for elevator, the stop elevator operation is in this process, because the effect of inertia car is also continuing motion, drive steel rope and rope sheave and continue motion, the friction pair between ratchet and frame will play the effect that stops the rope sheave motion at this moment, thereby make the friction force between steel rope and the rope sheave produce the steel rope tensile force, promptly produce pulling capacity, make the final stop elevator of brake equipment.
Owing to adopted technique scheme, the elevator governor of a kind of novelty of the present utility model setting up the rope sheave of friction pair mode limit speed for braking condition device, and does not produce slide relative between rope sheave and steel rope, protected the grooving destruction that is not worn, thereby made that the pulling capacity of steel rope and rope sheave is stable; Both be applicable to up-running over-speed protection, descending overspeed protection is suitable for up-down bidirectional over-speed protective again, and simple in structure, and cost is low, and is safe and reliable to operation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is the scheme drawing of the utility model embodiment 2 set friction pairs.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the scheme drawing of the utility model embodiment 3 set friction pairs.
Fig. 7 is the left view of Fig. 6.
Among the figure: 01, sheave shaft, 02, rope sheave, 03, centrifugal hammer, 04, switch is made bar, and 05, connecting rod, 06, ratchet, 07, bolt link, 08, ratchet, 09, lock pin, 10, friction wheel, 11, reinforcement wheel, 12, releasing mechanism, 13, spring, 14, electric switch, 15, thrust ball bearing, 16, dish spring, 17, adapter shaft, 18, frame, 19, friction shoe, 20, bearing pin, 21, the friction shoe clamping bar, 22, spring, 23, additional wheel, 24, friction shoe, 25, bearing pin, 26, friction shoe squeezes tension rod, and 27, spring, 28, additional wheel.
The specific embodiment
Embodiment 1
By Fig. 1-shown in Figure 3, the elevator governor of a kind of novelty of the present utility model comprises frame 18, rope sheave 02, ratchet 08, ratchet 06, lock pin 09; Electric switch 14 is installed on the said frame; Said rope sheave 02 is installed on the frame 18 by sheave shaft 01, and ratchet 08 is installed on rope sheave 02 outside, and ratchet 06 is hinged on the rope sheave 02, matches with ratchet 08; Rope sheave is provided with the elastic mechanism and the ratchet releasing mechanism 12 of tractive ratchet, this ratchet releasing mechanism 12 is linked by an end and rope sheave 02, the bolt link 07 of the hinged centrifugal hammer 03 of the other end, with centrifugal hammer pivotally attached connecting rod 05, and the spring 13 that is provided with on the centrifugal hammer is formed; Also be provided with switch and make bar 04 on centrifugal hammer, its swing with centrifugal hammer triggers elevator brake mechanism; Said connecting rod 05, bolt link 07, and a pair of centrifugal hammer 03 forms quadrilateral structure; Said lock pin is located on the frame; It is characterized in that, between said ratchet 08 and frame 18, also be provided with the friction pair that constitutes with ratchet; When velocity limiter when moving because of the elevator overspeed stop elevator, because the effect of inertia car is also continuing motion, drive steel rope and rope sheave 02 and also continue motion, friction pair will play the effect that stops the rope sheave motion this moment, thereby make the friction force between steel rope and the rope sheave produce the steel rope tensile force, promptly produce pulling capacity, make the final stop elevator of brake equipment;
Said friction pair is by friction wheel 10, Propelling wheel 11, thrust ball bearing 15, dish spring 16, and pad and hold-down nut composition; Wherein friction wheel 10 is located at outside the ratchet 08, and is close to ratchet, is provided with deep-slotted chip breaker on friction wheel 10, and this deep-slotted chip breaker matches with lock pin 09 on the frame 18; Be Propelling wheel 11 outside friction wheel 10, Propelling wheel is close to friction wheel; Ratchet 08 is installed on the sheave shaft 01 with Propelling wheel 11; Being located in order outside Propelling wheel on the sheave shaft is thrust ball bearing 15, dish spring 16, and pad and hold-down nut; The amount of compression of dish spring preestablishes by the pulling capacity of steel rope and rope sheave, and the friction force between rope sheave and steel rope is greater than the friction force between friction wheel and ratchet and reinforcement wheel;
Said ratchet and Propelling wheel are installed on the sheave shaft, are to install by being sheathed on the outer adapter shaft of sheave shaft 17;
Said ratchet 08 is a kind of single direction ratchet, the unidirectional fastening of ratchet and ratchet; The friction wheel 10 that fits with it is a kind of unidirectional friction wheels, the deep-slotted chip breaker sway on it;
Said ratchet 08 is a kind of two-way ratchet, and ratchet and ratchet can two-wayly fasten; The friction wheel 10 that fits with it is a kind of bi-directional friction wheels, and the deep-slotted chip breaker on it extends to both sides.
Embodiment 2
In embodiment 1, change the structure of friction pair; With reference to Fig. 4, Fig. 5, the elevator governor of a kind of novelty of the present utility model, wherein set friction pair be by locking hood type friction shoe 19, bearing pin 20, and friction shoe clamping bar 21, spring 22, and additional wheel 23 is formed; Wherein locking hood type friction shoe 19 has two of left-right symmetric, ratchet 08 both sides that are placed in, and an end is hinged by bearing pin 20 and frame 18, and the other end is serially connected on the friction shoe clamping bar 21, and is clamped by the elastic force of spring 22; Said additional wheel 23 places the outer and ratchet of ratchet 08 to be close to, and and coaxial ratchet, on additional wheel 23, being provided with deep-slotted chip breaker, this deep-slotted chip breaker matches with lock pin 09 on the frame 18; All the other repeat embodiment 1.
Embodiment 3
In embodiment 1, change the structure of friction pair; With reference to Fig. 6, Fig. 7, the elevator governor of a kind of novelty of the present utility model, wherein set friction pair is opened formula friction shoe 24 by squeezing, bearing pin 25, friction shoe squeezes tension rod 26, spring 27, and additional wheel 28 is formed; Wherein squeeze opening a formula friction shoe 24 has two of left-right symmetric, ratchet 08 both sides that are placed in, and an end is hinged by bearing pin 25 and frame 18, and the other end is serially connected in friction shoe and squeezes on the tension rod 26, and by the elastic force stretching of spring 27; Said additional wheel 28 places the outer and ratchet of ratchet 08 to be close to, and and coaxial ratchet, on additional wheel 28, being provided with deep-slotted chip breaker, this deep-slotted chip breaker matches with lock pin 09 on the frame 18; All the other repeat embodiment 1.
The utility model working process is as follows: for embodiment 1, in the elevator normal operation, rope sheave 02 rotates with the steel rope motion; When elevator overspeed, centrifugal hammer 03 outer pendulum, releasing mechanism 12 actions, make ratchet 06 mesh ratchet gear 08 on the rope sheave 02, the frictional wheel 10 that drives ratchet 08 and press together, reinforcement wheel 11 rotates, after waiting to turn over certain angle, friction wheel 10 is blocked and stall by lock pin 09, and ratchet 08 and reinforcement wheel 11 can be rotated further under steel rope drives with rope sheave 02, and relative motion between friction wheel and the ratchet that is compressing and reinforcement wheel produces friction force at this moment, this friction force will stop rope sheave 02 to rotate, thereby make the friction force between steel rope and the rope sheave 02 produce the steel rope tensile force, promptly produce pulling capacity, make the final stop elevator of brake equipment; In this process, do not produce slide relative between rope sheave and steel rope, thereby protected the grooving destruction that is not worn.
For embodiment 2 and 3, in the elevator normal operation, the friction pair of increase does not have relative motion; When elevator overspeed, ratchet 06 drives ratchet 08 and clamps or the friction shoe 19 of stretching or 24 and rotate with the additional wheel 23 or 28 that ratchet is close to ratchet, after waiting to turn over an angle, additional wheel 23 or 28 is blocked and stall by lock pin 09, and ratchet 08 can be rotated further under steel rope drives, this moment brake pad with grip or the ratchet that tightly supportting between relative motion, produce friction force, this friction force will stop rope sheave 02 rotation.
The utility model is increasing the mode of friction pair, to make not produce slide relative between rope sheave and steel rope, thereby has protected the grooving destruction that is not worn; Increasing friction pair can have multiple mode, and the utility model not only is confined to the foregoing description.

Claims (4)

1. the elevator governor of a novelty comprises frame (18), rope sheave (02), ratchet (08), ratchet (06), lock pin (09); Said rope sheave (02) is installed on the frame (18) by sheave shaft (01), and ratchet (08) is installed on rope sheave (02) outside, and ratchet (06) is hinged on the rope sheave (02), matches with ratchet (08); Rope sheave is provided with the elastic mechanism and the ratchet releasing mechanism (12) of tractive ratchet, this ratchet releasing mechanism (12) is linked by an end and ratchet (08), the bolt link (07) of the hinged centrifugal hammer of the other end (03), with centrifugal hammer pivotally attached connecting rod (05), and the spring that is provided with on the centrifugal hammer (13) is formed; Said connecting rod (05), bolt link (07), and a pair of centrifugal hammer (03) formation quadrilateral structure, said lock pin (09) is located on the frame (18), it is characterized in that: also be provided with the friction pair that constitutes with ratchet between said ratchet (08) and frame (18).
2. the elevator governor of a kind of novelty according to claim 1, it is characterized in that: said friction pair is by friction wheel (10), Propelling wheel (11), thrust ball bearing (15), dish spring (16), and pad and hold-down nut composition; Wherein friction wheel (10) is close to ratchet (08); Be provided with deep-slotted chip breaker on friction wheel (10), this deep-slotted chip breaker matches with lock pin (09) on the frame (18); Be Propelling wheel (11) outside friction wheel (10), Propelling wheel is close to friction wheel; Ratchet and Propelling wheel are installed on the sheave shaft (01); Outside Propelling wheel, be located at the thrust ball bearing (15) in addition on the sheave shaft in order, dish spring (16), and pad and hold-down nut.
3. the elevator governor of a kind of novelty according to claim 1 is characterized in that: said friction pair is by locking hood type friction shoe (19), bearing pin (20), and friction shoe clamping bar (21), spring (22), and additional wheel (23) is formed; Wherein locking hood type friction shoe (19) has two of left-right symmetric, the ratchet that is placed in (08) both sides, and an end is hinged by bearing pin (20) and frame (18), and the other end is serially connected on the friction shoe clamping bar (21), and is clamped by the elastic force of spring (22); Said additional wheel (23) places the outer and ratchet of ratchet (08) to be close to, and and coaxial ratchet, on additional wheel (23), being provided with deep-slotted chip breaker, this deep-slotted chip breaker matches with lock pin (09) on the frame (18).
4. the elevator governor of a kind of novelty according to claim 1 is characterized in that: said friction pair is opened a formula friction shoe (24) by squeezing, and bearing pin (25), friction shoe squeeze tension rod (26), spring (27), and additional wheel (28) composition; Wherein squeeze opening a formula friction shoe (24) has two of left-right symmetric, the ratchet that is placed in (08) both sides, and an end is hinged by bearing pin (25) and frame (18), and the other end is serially connected on the crowded tension rod (26) of friction shoe, and by the elastic force stretching of spring (27); Said additional wheel (28) places the outer and ratchet of ratchet (08) to be close to, and and coaxial ratchet, on additional wheel (28), being provided with deep-slotted chip breaker, this deep-slotted chip breaker matches with lock pin (09) on the frame (18).
CNU2007201117624U 2007-07-10 2007-07-10 Novel elevator over-speed governor Expired - Lifetime CN201058780Y (en)

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Application Number Priority Date Filing Date Title
CNU2007201117624U CN201058780Y (en) 2007-07-10 2007-07-10 Novel elevator over-speed governor

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Application Number Priority Date Filing Date Title
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407855A (en) * 2013-09-02 2013-11-27 苏州尼隆电梯部件有限公司 Elevator speed governor
CN105883528A (en) * 2016-06-29 2016-08-24 西继迅达(许昌)电梯有限公司 Novel unidirectional car-sliding-proof self-resetting speed limiting device with speed monitoring
CN105923489A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel automatic anti-sliding unidirectional speed governor
CN105923494A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional anti-sliding speed governor capable of monitoring speed
CN105923496A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic anti-sliding speed governor capable of monitoring speed
CN105923486A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic-reset speed governor capable of monitoring speed
CN105923487A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel automatic anti-sliding unidirectional automatic-reset speed governor
CN105923488A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic-reset speed governor capable of being triggered automatically
CN105936457A (en) * 2016-06-29 2016-09-14 西继迅达(许昌)电梯有限公司 Novel car-sliding-preventing one-way self-reset speed-limiting device with speed monitoring function
CN105947830A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset anti-slip speed limiter with speed monitor function
CN105947827A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way speed limiter
CN105947829A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset speed limiter with automatic car sliding preventing function
CN105947828A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way speed limier with speed monitoring function
CN105947826A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset speed limiter
CN106115408A (en) * 2016-06-29 2016-11-16 西继迅达(许昌)电梯有限公司 Novel anti-running unidirectional Self-resetting limiter of speed
CN106115407A (en) * 2016-06-29 2016-11-16 西继迅达(许昌)电梯有限公司 The novel unidirectional Self-resetting limiter of speed that there is speed monitoring, can automatically trigger
CN106477415A (en) * 2015-08-31 2017-03-08 梁伟联 A kind of device for preventing accidental movement of elevator cage
CN106882673A (en) * 2015-12-15 2017-06-23 郝俊峰 Elevator speed limiting protector
CN106882675A (en) * 2015-12-15 2017-06-23 郝俊峰 Elevator is segmented speed limiting protector
CN107311005A (en) * 2016-06-29 2017-11-03 西继迅达(许昌)电梯有限公司 New unidirectional Self-resetting limiter of speed

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407855A (en) * 2013-09-02 2013-11-27 苏州尼隆电梯部件有限公司 Elevator speed governor
CN106477415B (en) * 2015-08-31 2019-03-05 梁伟联 A kind of device preventing accidental movement of elevator cage
CN106477415A (en) * 2015-08-31 2017-03-08 梁伟联 A kind of device for preventing accidental movement of elevator cage
CN106882675A (en) * 2015-12-15 2017-06-23 郝俊峰 Elevator is segmented speed limiting protector
CN106882673A (en) * 2015-12-15 2017-06-23 郝俊峰 Elevator speed limiting protector
CN105947827A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way speed limiter
CN105947828A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way speed limier with speed monitoring function
CN105923488A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic-reset speed governor capable of being triggered automatically
CN105936457A (en) * 2016-06-29 2016-09-14 西继迅达(许昌)电梯有限公司 Novel car-sliding-preventing one-way self-reset speed-limiting device with speed monitoring function
CN105947830A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset anti-slip speed limiter with speed monitor function
CN105923486A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic-reset speed governor capable of monitoring speed
CN105947829A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset speed limiter with automatic car sliding preventing function
CN105923487A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel automatic anti-sliding unidirectional automatic-reset speed governor
CN105947826A (en) * 2016-06-29 2016-09-21 西继迅达(许昌)电梯有限公司 Novel one-way automatic reset speed limiter
CN106115408A (en) * 2016-06-29 2016-11-16 西继迅达(许昌)电梯有限公司 Novel anti-running unidirectional Self-resetting limiter of speed
CN106115407A (en) * 2016-06-29 2016-11-16 西继迅达(许昌)电梯有限公司 The novel unidirectional Self-resetting limiter of speed that there is speed monitoring, can automatically trigger
CN105923496A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional automatic anti-sliding speed governor capable of monitoring speed
CN105923494A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel unidirectional anti-sliding speed governor capable of monitoring speed
CN105923489A (en) * 2016-06-29 2016-09-07 西继迅达(许昌)电梯有限公司 Novel automatic anti-sliding unidirectional speed governor
CN107311005A (en) * 2016-06-29 2017-11-03 西继迅达(许昌)电梯有限公司 New unidirectional Self-resetting limiter of speed
CN105883528A (en) * 2016-06-29 2016-08-24 西继迅达(许昌)电梯有限公司 Novel unidirectional car-sliding-proof self-resetting speed limiting device with speed monitoring

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Granted publication date: 20080514