CN201914801U - Electromagnetic wedge-shaped bidirectional rope clamp - Google Patents
Electromagnetic wedge-shaped bidirectional rope clamp Download PDFInfo
- Publication number
- CN201914801U CN201914801U CN2010206896212U CN201020689621U CN201914801U CN 201914801 U CN201914801 U CN 201914801U CN 2010206896212 U CN2010206896212 U CN 2010206896212U CN 201020689621 U CN201020689621 U CN 201020689621U CN 201914801 U CN201914801 U CN 201914801U
- Authority
- CN
- China
- Prior art keywords
- wedge shape
- wedge
- voussoir
- elevator
- casing
- 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
Links
Images
Abstract
The utility model relates to an electromagnetic wedge-shaped bidirectional rope clamp, which solves the problems that the rope clamp in the prior art cannot automatically reset after making the movement and cannot stop the unscheduled movement of an elevator. The rope clamp comprises a box body, wedge-shaped guide bodies and wedge block assemblies. The utility model has the technical points that the wedge block assemblies are movably assembled on sliding rails of the wedge-shaped guide bodies by utilizing sliding guide frames; the ends of the two wedge block assemblies are assembled on the same linkage support seat connected together with an iron core of an electromagnet at the outer side of the box body to form a set of unidirectional clamping devices; a bidirectional stopping clamping mechanism is formed by upper and lower sets of symmetrically arranged unidirectional clamping devices; and a mandril of an up power-off automatic locker is supported on the bottoms of the wedge block assemblies of the upper set of unidirectional clamping devices. The utility model has a reasonable design, a compact structure, small volume, mounting space saving and stable and reliable braking, is convenient to install and automatically resets; the magnitude of a braking force is adjustable. The rope clamp is used for clamping elevator traction steel wire ropes when the elevator is under the up or down overspeed state and is capable of meeting the standard requirement of unscheduled movement prevention.
Description
Technical field
The utility model relates to a kind of mechanical stop safety device of elevator, particularly a kind of two-way wire holder of electromagnetism wedge shape that adopts two groups of double fasteners tightly to install the two-way stop structure of formation, the state that it both can be used for ascending for elevator or descending hypervelocity clamps the elevator traction steel rope down, make elevator keep quiescence, the unplanned motion of stop elevator effectively.
Background technology
At present, the mechanical stop safety device of elevator parts such as lifts by safety tongs and safety tongs mostly and forms.But most of safety tongss can only be realized the protection of descending hypervelocity, and the action back is bigger to the destruction of guide rail, and are that folk prescription is to protection.Up hypervelocity realizes with protection device for over-speed ascending, and most of mechanical safety device only has effect to the up hypervelocity of car, and operation outside the plan does not relate to car.General traditional wire holder, as China Patent No. is 200420005454.X " steel rope wire holder ", its adopt " left and right supporting leg, left and right frame; be installed in the eccentric wheel between the left and right frame, fixing device and the spring bearing covering device formed by forward and backward slipper; Left and right frame is connected and fixed by camshaft and lower bearing pin and is the parallel frame shelf structure." though its structure is simple, only realized the up-running over-speed protection function.In 200510101320.7 " steel wire braking ", it adopts " places the needle roller pair between the forward and backward backing plate assembly that brake facing underframe and side plate fixedly are provided with between the frame plate; The arm of action of drg and shake-up board connecting structure.Its course of action is when ascending for elevator exceeds the speed limit, steel rope in the bidirectional speed limiter action pulling brake cable parts, steel rope spurs the shake-up plate again and rotates around bearing pin, releasing activity brake facing assembly, the deadweight of movable brake facing assembly is glided its backing plate behind the secondary upper edge of needle roller and is pushed traction steel-cable, the traction steel-cable drive activity brake facing assembly that moves downward fixedly clamps steel rope with fixing brake facing assembly under the self-locking angle that constitutes of frame plate simultaneously at side plate, makes the car of up hypervelocity obtain stop.It adopts hand reset, the operation more complicated.Because of no oil remover is removed the greasy filth on the steel rope, so caused friction coefficient instability between steel rope and the brake facing, make its existence can't clip the hidden danger of steel rope, single shoe brake, effect is undesirable.In 200410093406.5 " rope brake for overspeed upgoing elevator "; adopt " the movable voussoir, the fixed wedge block structure that are symmetrically arranged in both sides, steel rope front and back "; although its compact conformation; trigger stay cord by velocity limiter and make the wire holder action; but link is too much in the middle of it; also there are the friction coefficient factors of instability between traction steel-cable and the brake facing simultaneously in the function that does not possess the low speed protection.More than the denominator of several wire holders be can not automatically reset after the wire holder action; and can not satisfy the requirement of " anti-exercise protection device outside the plan " this standard in EN81-1 A3 " elevator manufacturing with the install safety standard " amendment, so influence practical application.
The utility model content
The purpose of this utility model provides the two-way wire holder of a kind of electromagnetism wedge shape; can not automatically reset after having solved the wire holder action that prior art exists; problem that can't stop elevator motion outside the plan; it is reasonable in design; compact conformation; volume is little; save installing space, easy for installation, the braking force adjustable size; braking is steadily reliable; automatically reset, the state that not only can be used for ascending for elevator or descending hypervelocity clamps the elevator traction steel rope down, makes elevator keep quiescence; and can satisfy the standard-required of preventing movement protection outside the plan, thereby effectively avoided the accident of personal injury and property damage to take place.
The technical scheme that the utility model adopted is: the two-way wire holder of this electromagnetism wedge shape comprises the casing that has base, be assembled in the casing the wedge shape director and with the match voussoir assembly that constitutes by brake facing and voussoir of groove of the traction steel-cable periphery of towing machine, its technical essential is: two described voussoir assemblies that are positioned at described traction steel-cable periphery, utilize the activity of slide-and-guide frame to be assembled on the slideway of described wedge shape director respectively, the locating dowel pin of two described voussoir assembly ends is assembled in respectively in the waist shaped hole of same interlock supporting seat, the end that described interlock supporting seat stretches out described casing links together with the iron core of the electromagnet that is fixed on the casing outside, constitute one group of unidirectional fixing device, by last, the described unidirectional fixing device of two groups of symmetric arrangement constitutes two-way stop clamping mechanism down, and the push rod that is hinged on the up outage auto lock device in the casing outside is supported on the bottom of the described voussoir assembly of going up the unidirectional fixing device of group of described two-way stop clamping mechanism.
Voussoir assembly in described single fixing device fits together by needle bearing and wedge shape director, and the slide-and-guide frame that makes described voussoir assembly moves back and forth along the slideway of described wedge shape director.
At the oil remover of the center of described casing upper and lower end setting over against described traction steel-cable periphery.
Described electromagnet is connected in respectively in the brake loop and safety return circuit of towing machine control circuit.
Advantage and the good effect that the utlity model has are: because the two-way wire holder of electromagnetism wedge shape of the present utility model adopts and the voussoir assembly of the unidirectional fixing device that the iron core two-way stop clamping mechanism that links together and the push rod that utilizes up outage auto lock device of electromagnet support, and physical construction is combined with the brake loop of towing machine control circuit and the electric control system of safety return circuit, it is reasonable in design, compact conformation, volume is little, save installing space, easy for installation, the braking force adjustable size, braking is steadily reliable, automatically reset, so can only move just traditional wire holder of action at elevator overspeed, realize opening synchronously with the elevator traction machine band-type brake, by to electromagnet outage, utilize brake facing on the voussoir assembly and the friction force between the steel rope, make the voussoir assembly press from both sides tighter and tighter along the direction of steel rope operation, reach the stop steel rope, make elevator purpose out of service.This not only can realize the safety protection function that traditional wire holder possesses, and can not automatically reset after having solved the wire holder action that prior art exists, problem that can't stop elevator motion outside the plan.Especially when elevator operation outside the plan takes place, make the outage of electrical safety loop, brake facing on the voussoir assembly plays rapidly the effect of deceleration stop to traction steel-cable under lower-speed state, velocity limiter machinery is failure to actuate, and has reduced safety tongs action probability and to the destructiveness of guide rail.The state that the utility model not only can be used for ascending for elevator or descending hypervelocity clamps the elevator traction steel rope down; make elevator keep quiescence; and can satisfy the standard-required of preventing movement protection outside the plan, thereby effectively avoided the accident of personal injury and property damage to take place.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of concrete structure scheme drawing of the utility model.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the cutaway view of Fig. 1 along the A-A line.
Fig. 4 is the cutaway view of Fig. 3 along the B-B line.
Fig. 5 is the cutaway view of Fig. 4 along the C-C line.
Fig. 6 is the structural representation of a kind of voussoir assembly among Fig. 1;
Sequence number explanation among the figure: 1 oil remover, 2 wedge shape directoies, 3 spacing regulating controls, 4 interlock supporting seats, 5 voussoir assemblies, 6 up outage auto lock devices, 7 casings, 8 traction steel-cables, 9 brake facings, 10 bases, 11 electromagnet, 12 micro-switchs, 13 over caps, 14 voussoirs, 15 slide-and-guide framves, 16 needle bearings.
The specific embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1～6.The two-way wire holder of this electromagnetism wedge shape is drawn together the casing 7 that has base 10, be assembled in the casing 7 wedge shape director 2 and with the match voussoir assembly 5 that constitutes by brake facing 9 and voussoir 14 of groove of traction steel-cable 8 peripheries of towing machine, wherein the specification of casing 7, wedge shape director 2 and voussoir assembly 5, shape should be selected according to actual needs.With two voussoir assemblies 5 that are positioned at traction steel-cable 8 peripheries, utilize 15 activities of slide-and-guide frame to be assembled on the slideway of wedge shape director 2 respectively.The locating dowel pin of two voussoir assembly 5 ends is assembled in respectively in the waist shaped hole of same interlock supporting seat 4, and locating dowel pin can move along the waist shaped hole of interlock supporting seat 4, so that regulate the groove of its brake facing 9 and the gap between the traction steel-cable 8.The end that interlock supporting seat 4 stretches out casing 7 links together with the iron core that is fixed on the electromagnet 11 in casing 7 outsides, constitutes one group of unidirectional fixing device.Big or small identical by upper and lower two groups of symmetric arrangement again, the unidirectional fixing device that the wedge shape direction is opposite constitutes two-way stop clamping mechanism.The push rod that is hinged on the up outage auto lock device 6 in casing 7 outsides is supported on the bottom of the voussoir assembly 5 of going up the unidirectional fixing device of group of two-way stop clamping mechanism, so that when electromagnet 11 outages, utilize up two-way stop clamping mechanism to rely on the push rod of up outage auto lock device 6 to make the brake facing 9 on the two voussoir assemblies 5 be close to traction steel-cable 8 automatically.Voussoir assembly 5 in single fixing device fits together by needle bearing 16 and wedge shape director 2, so that when the slide-and-guide frame 15 of voussoir assembly 5 moves back and forth along wedge shape director 2 slideways, reduce the friction coefficient between itself and the wedge shape director 2, make between the two and change into friction of rolling by cliding friction.At the oil remover 1 of the center of casing 7 upper and lower ends setting over against traction steel-cable 8 peripheries, can remove the greasy filth on the traction steel-cable 8, make the friction coefficient between traction steel-cable 8 and the brake facing 9 more stable, can eliminate exist in the prior art can't clip the hidden danger of traction steel-cable 8 because of greasy dirt.Electromagnet 11 is connected in respectively in the brake loop and safety return circuit of towing machine control circuit.Over cap 13 is connected the side of casing 7.
The two-way wire holder of the utility model electromagnetism wedge shape passes the traction steel-cable 8 on the towing machine traction sheave, can be installed in the cage side of frame or between heavy side or traction sheave and the track adjusting wheel, by adjusting the angle of inclination of base 10, can realize that the inclination of the two-way wire holder of electromagnetism wedge shape is installed or vertical the installation.
The break-make of the electromagnet 11 of the two-way wire holder of electromagnetism wedge shape should be by brake loop and two loop control of safety return circuit.
(1) upstream or downstream overspeed protection implementation
When elevator upwards moves, surpass command speed for a certain reason, and when reaching the up electrical speed action that makes velocity limiter, the action of velocity limiter electric switch, safety return circuit disconnects, this moment, towing machine brake-contracting cut-off towing machine shut down, electromagnet 11 outages, the tight device of up double fastener makes brake facing 9 on the two voussoir assemblies 5 near traction steel-cables 8 by up outage auto lock device 6, owing to exist friction force and both that relative motion is arranged between the two, so voussoir assembly 5 and traction steel-cable 8 synchronous upward movements, reason owing to the self-locking angle, distance between two brake facings 9 diminishes, and it is big that gripping power becomes, excessive for preventing the braking force of traction steel-cable 8, cause personnel in the car uncomfortable and to the damage of traction steel-cable 8, control the clamped position of voussoir assembly 5 by the length of adjusting spacing regulating control 3,, make traction steel-cable 8 decelerate to stop with this size of controlling the braking force of 9 pairs of traction steel-cables 8 of brake facing.Otherwise, when elevator moves hypervelocity downwards, just electromagnet 11 outages, voussoir assembly 5 is the close steel ropes of by gravity, all the other and up stop mode are in like manner.
(2) realization of movement protection outside the plan
The electromagnet 11 of the two-way wire holder of electromagnetism wedge shape is connected with the towing machine brake loop, the sequential that electrical control electromagnet 11 is opened: (1) is before the elevator operation, the energising of assurance electromagnet, open fixing device, by detecting the micro-switch 12 that electromagnet 11 is opened, give towing machine band-type brake switch open signal, the towing machine running, elevator normally moves; (2) when Elevator landing, make the towing machine band-type brake prior to electromagnet 11 actions according to mode (1), electromagnet 11 outages then, the brake facing 9 on the two voussoir assemblies 5 is near traction steel-cable 8.This moment is if car causes for a certain reason to a side abnormal running, in the tight device of double fastener, tight device of double fastener to car movement direction side owing to have friction and voussoir assembly 5 self-locking angles, reliably stop traction steel-cable 8 between traction steel-cable 8 and the brake facing 9.
Reset mode after upstream or downstream overspeed protection and running protection operating mode outside the plan action needs hand reset so complicated unlike traditional wire holder, but identical with the reset mode of wedge-type safety tongs.Need to give earlier electromagnet 11 energisings, then along the reverse direction operation elevator of the two-way wire holder direction of action of electromagnetism wedge shape, can recover the two-way wire holder of electromagnetism wedge shape, elevator normally moves.
Be preferred forms of the present utility model more than, utilize the utility model also can be used in the occasion that need require the occasion or the descending overspeed protection of up-running over-speed protection requirement.
Claims (4)
1. two-way wire holder of electromagnetism wedge shape, comprise the casing that has base, be assembled in the casing the wedge shape director and with the match voussoir assembly that constitutes by brake facing and voussoir of groove of the traction steel-cable periphery of towing machine, it is characterized in that: two described voussoir assemblies that are positioned at described traction steel-cable periphery, utilize the activity of slide-and-guide frame to be assembled on the slideway of described wedge shape director respectively, the locating dowel pin of two described voussoir assembly ends is assembled in respectively in the waist shaped hole of same interlock supporting seat, the end that described interlock supporting seat stretches out described casing links together with the iron core of the electromagnet that is fixed on the casing outside, constitute one group of unidirectional fixing device, by last, the described unidirectional fixing device of two groups of symmetric arrangement constitutes two-way stop clamping mechanism down, and the push rod that is hinged on the up outage auto lock device in the casing outside is supported on the bottom of the described voussoir assembly of going up the unidirectional fixing device of group of described two-way stop clamping mechanism.
2. the two-way wire holder of electromagnetism wedge shape according to claim 1, it is characterized in that: the voussoir assembly in described single fixing device fits together by needle bearing and wedge shape director, and the slide-and-guide frame that makes described voussoir assembly moves back and forth along the slideway of described wedge shape director.
3. the two-way wire holder of electromagnetism wedge shape according to claim 1 is characterized in that: the oil remover over against described traction steel-cable periphery is set at the center of described casing upper and lower end.
4. according to claim 1, the two-way wire holder of 2 described electromagnetism wedge shapes, it is characterized in that: described electromagnet is connected in respectively in the brake loop and safety return circuit of towing machine control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896212U CN201914801U (en) | 2010-12-30 | 2010-12-30 | Electromagnetic wedge-shaped bidirectional rope clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896212U CN201914801U (en) | 2010-12-30 | 2010-12-30 | Electromagnetic wedge-shaped bidirectional rope clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914801U true CN201914801U (en) | 2011-08-03 |
Family
ID=44414609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206896212U Expired - Lifetime CN201914801U (en) | 2010-12-30 | 2010-12-30 | Electromagnetic wedge-shaped bidirectional rope clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201914801U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN102367131A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping wire rope type protection device for preventing cage from accidently moving |
| CN102774774A (en) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | Brake for protecting elevator traction ropes |
| CN102774777A (en) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | Static fixiator for elevator hoist ropes |
| CN102976177A (en) * | 2011-09-02 | 2013-03-20 | 日立电梯（中国）有限公司 | Entrapment and breakdown emergency rescue device of elevator withoutmachine room |
| CN106075751A (en) * | 2016-07-16 | 2016-11-09 | 湖北第二师范学院 | A kind of rapidly descending escape and rescue cableway device based on all kinds of ropes |
| CN107777514A (en) * | 2016-08-24 | 2018-03-09 | 杭州沪宁电梯部件股份有限公司 | Brake component and the device of polishing for brake component |
| CN108996355A (en) * | 2018-09-10 | 2018-12-14 | 镇江朝阳机电科技有限公司 | A kind of two-way lifting safety tongs easy to use |
| CN110422720A (en) * | 2019-08-20 | 2019-11-08 | 武汉市云竹机电新技术开发有限公司 | Vertical-lift full-range over speed protects system |
| CN112723058A (en) * | 2021-01-04 | 2021-04-30 | 罗三定 | Inequality leveling system of lifting platform |
-
2010
- 2010-12-30 CN CN2010206896212U patent/CN201914801U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN102120539B (en) * | 2010-12-30 | 2013-09-04 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN102976177A (en) * | 2011-09-02 | 2013-03-20 | 日立电梯（中国）有限公司 | Entrapment and breakdown emergency rescue device of elevator withoutmachine room |
| CN102367131A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping wire rope type protection device for preventing cage from accidently moving |
| CN102774774A (en) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | Brake for protecting elevator traction ropes |
| CN102774777A (en) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | Static fixiator for elevator hoist ropes |
| CN102774774B (en) * | 2012-08-06 | 2015-06-10 | 吴江信谊精密五金有限公司 | Brake for protecting elevator traction ropes |
| CN106075751A (en) * | 2016-07-16 | 2016-11-09 | 湖北第二师范学院 | A kind of rapidly descending escape and rescue cableway device based on all kinds of ropes |
| CN107777514A (en) * | 2016-08-24 | 2018-03-09 | 杭州沪宁电梯部件股份有限公司 | Brake component and the device of polishing for brake component |
| CN108996355A (en) * | 2018-09-10 | 2018-12-14 | 镇江朝阳机电科技有限公司 | A kind of two-way lifting safety tongs easy to use |
| CN110422720A (en) * | 2019-08-20 | 2019-11-08 | 武汉市云竹机电新技术开发有限公司 | Vertical-lift full-range over speed protects system |
| CN112723058A (en) * | 2021-01-04 | 2021-04-30 | 罗三定 | Inequality leveling system of lifting platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102120539B (en) | Electromagnetic wedge-shaped bidirectional rope gripper | |
| CN201914801U (en) | Electromagnetic wedge-shaped bidirectional rope clamp | |
| CN105480812B (en) | Power-loss trigger type steel wire rope brake and braking method thereof | |
| US8342294B2 (en) | Overspeed detection mechanism in lift apparatuses, safety device acting against overspeed and lift apparatus | |
| CN202038786U (en) | Safety clamp for elevator braking rope | |
| CN102701040B (en) | Constant brake force anti-falling catching device and constant brake force anti-falling catching method for rigid cage guide of mine | |
| CN109335913B (en) | Emergency safety device for elevator | |
| CN2721586Y (en) | Bidirectional speed limited safety pliers for elevator | |
| CN110002320B (en) | Simple elevator overspeed self-locking guide shoe mechanism | |
| CN102040141A (en) | Rope-free lifting machine using lifting force as brake drive force | |
| CN104129693A (en) | Power-modulated progressive type anti-falling safety device suitable for frame main limb as guide rail | |
| CN105480811B (en) | Rope clamping device | |
| CN2839230Y (en) | The elevator wire holder | |
| CN200988715Y (en) | Rope-free speed limiting system for lift | |
| CN205855677U (en) | A kind of progressive safety gear | |
| CN1325362C (en) | Rope brake for overspeed upgoing elevator | |
| CN210236806U (en) | Simple elevator overspeed self-locking guide shoe mechanism | |
| CN205367379U (en) | Wire holder | |
| CN205998798U (en) | Compact rope brake | |
| CN204150849U (en) | Be applicable to the modulated brake power formula gradual anti-falling safety device that the main limb of support body makes guide rail | |
| CN111392542A (en) | Bidirectional safety tongs | |
| KR20140013624A (en) | Gradually lifts the emergency stop device actuated type bidirectional | |
| CN109879136B (en) | Safety elevator | |
| CN111039128B (en) | Vertical lifting magnetic suspension elevator | |
| CN200985260Y (en) | Safety clamp acting on traction wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Road, No. 27 Patentee after: Shenyang Brilliant Elevator Co., Ltd. Address before: 110027, No. 27, No. sixteen, great road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: Shenyang Brilliant Elevator Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110803 Effective date of abandoning: 20130904 |
|
| RGAV | Abandon patent right to avoid regrant |