CN104816999A - Rapid rope disassembly and assembly device for elevator speed governor - Google Patents
Rapid rope disassembly and assembly device for elevator speed governor Download PDFInfo
- Publication number
- CN104816999A CN104816999A CN201510240315.8A CN201510240315A CN104816999A CN 104816999 A CN104816999 A CN 104816999A CN 201510240315 A CN201510240315 A CN 201510240315A CN 104816999 A CN104816999 A CN 104816999A
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- rope
- support
- clamping plate
- base
- pivot shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
Abstract
The invention relates to a rapid rope disassembly and assembly device for an elevator speed governor. The device comprises a base and an upper cover and is characterized in that a shear fork type lifting machine is connected between the base and the upper cover. One end of the base is hinged to a pair of crank blocks with drive handles, a pair of crank blocks with drive handles is hinged to one end of the base, and a pair of connection rods is hinged between the crank blocks and the tops of shear fork support legs of the shear fork type lifting machine. a rope clamper portion is assembled in the base and comprises a support shaft arranged in the base, two clamping plates arranged on the support shafts, two fixed cams welded on the outsides of the two clamping plates respectively, movable cams fixed on the support shafts to be snapped with the fixed cams, support rods penetrating the base and the clamping plates to be arranged on the two sides of the support shaft and parallel to the support shaft, reset springs sleeved on the support rods and clamped between the two clamping plates and a brake spanner arranged at one end of the support shaft. The device has the advantages of being capable of solving the problems of inconvenient operations, time and energy wasting and limitations of prior rope disassembly and assembly methods fundamentally, convenient to operate, time saving and effort saving and capable of improving the detection efficiency apparently.
Description
Technical field
The present invention relates to elevator governor detection appurtenance, particularly a kind of elevator governor de-rope dress rope device fast.
Background technology
Along with Development of China's Urbanization is accelerated, city-building paces make rapid progress, cities and towns skyscraper gets more and more, the elevator that these places use significantly is increasing, due to the growth of quantity, also in continuous generation, and there is rising tendency along with the growth of duration of service in associated accident, also rapidly increase synchronous the periodical survey work capacity controlling quality of elevator simultaneously.
Every platform elevator must carry out a periodical survey every year, according to statistics, within 2013, China's elevator just has more than 300 ten thousand, national regulation every elevator testing staff allows detection 500 at most in 1 year, more than 300 ten thousand elevators then need more than 60 ten thousand elevator inspectors, how huge visible elevator periodical survey work capacity is, and for elevator periodical survey work, the testing amount of velocity limiter almost occupies overall test amount half.When velocity limiter normally works, as shown in Figure 7, the upper lay winding wire ropes of velocity limiter wheel, steel rope two ends connect the safety tongs on lift car, and walk around expansion tightening wheel bottom steel rope, expansion tightening wheel is with counterweight, its effect is exactly the tension force keeping speed limiter wire rope, when lift car up-and-down movement, steel rope walks around velocity limiter synchronized operation, and the linear velocity that so velocity limiter wheel rotates is exactly elevator car speed.When elevator overspeed, velocity limiter action, it sends electric signal and cuts off safety return circuit power supply, pulls elevator safety gear simultaneously, makes its action, stop elevator car, prevent contingency from occurring.As can be seen here, extremely important to elevator governor inspection work, inspection man detects its responsiveness, need steel rope on velocity limiter revolving wheel to take off during detection, then measure its responsiveness with speed limiter detector, what waste time and energy most in whole testing process is exactly the steel rope won on velocity limiter, in velocity limiter testing process, de-rope and dress rope process account for again 3/4ths of its detection limit, and thus, the de-rope of solution velocity limiter and dress rope problem are the most important things.
At present, de-rope (plucking rope) method has following several: under steel rope is also in tensioner state, 1, utilize original hook to pluck rope.Due to GB7588-2003 9.9.4 article specify velocity limiter action time, the tension force of governor rope must not be less than the higher value of following two values: a) safety tongs works the twice of required power, or b) 300N.For high-rise building along with rope capacity and weight always increase, tensile force can constantly increase, so pluck with hook, rope bothers very much, length consuming time, causes and stops terraced overlong time, and detection efficiency is low, is more unsuitable for dress rope process simultaneously.
2, first utilize clamp velocity limiter to take turns both sides steel rope, and then utilize lever to be prized by upper for velocity limiter wheel steel rope.But because velocity limiter is generally arranged in the machine room at elevator top, place is comparatively narrow, and above-mentionedly plucks rope process need two people and coordinate, do very inconvenient so pluck rop exercise, do also very difficult with fashionable dress rop exercise.
3, CN201427827Y discloses a kind of self-detaching fixer of elevator speed limiter, to be fixed by the steel rope of disconnected cage side to make it can not be downward when this fixer uses, and then crawl car makes it up, thus makes steel rope automatically disengage velocity limiter.This method is applicable to car top and installs the situation that safety tongs is not installed in safety tongs and bottom, when safety tongs is also installed for bottom, on lift car, guild causes bottom safety pincers to disconnect with steel rope, and therefore, this self-detaching fixer of elevator speed limiter range of use has limitation.
To sum up, still there is unsurmountable defect in the de-rope of existing elevator governor and dress rope method, urgently improves.
Summary of the invention
The object of the invention is to provide a kind of reasonable in design, service-strong elevator governor de-rope dress rope device fast, fundamentally solve existing elevator governor to take off inconvenient operation that rope and dress rope method exist, waste time and energy, there is circumscribed problem, regarded floor installation in velocity limiter position base, velocity limiter in-use performance is not affected, rope, dress rope can be taken off very easily, time saving and energy saving, significantly improve detection efficiency.
Technical scheme of the present invention is:
A kind of elevator governor is de-rope dress rope device fast, comprise support and for velocity limiter bottom the upper cover that is connected and fixed, it is characterized in that: between described support and upper cover, be connected with scissors type elevating frame, described support one end is hinged with a pair crank block with driving handle, pair of links is hinged with between the scissor supporting leg top of described crank block and scissors type elevating frame, wire holder part is assembled with in the base space of described scissors type elevating frame bottom, described wire holder part is by the pivot shaft be located in support, be located at be mounted opposite two clamping plate on pivot shaft, to be welded in respectively outside two clamping plate and to determine cam with coaxial two of clamping plate, be fixed on pivot shaft with the moving cam determined cam and be engaged mutually, pivot shaft both sides are divided into and the strut bar parallel with pivot shaft through support and clamping plate, the braking spanner composition being set on strut bar and the retracing spring be held between two clamping plate and being located at pivot shaft one end, corresponding half-arc groove is offered respectively inside two clamping plate two ends, the through hole of corresponding half-arc groove is respectively equipped with bottom described upper cover and support.
Above-mentioned elevator governor is de-rope dress rope device fast, and the described axial occlusal surface determining cam and moving cam is curved surface, realizes slack rope action when misplacing to make fixed and moving cam.
Above-mentioned elevator governor is de-rope dress rope device fast, offers the groove holding retracing spring end, to prevent retracing spring play inside described clamping plate.
Above-mentioned elevator governor is de-rope dress rope device fast, is respectively equipped with the rectangular mounting hole I of the scissor supporting leg hinge of corresponding scissors type elevating frame, so that the horizontal position of trace adjustment scissors type elevating frame away from the support of crank block side and upper cover.
Above-mentioned elevator governor is de-rope dress rope device fast, offers the rectangular mounting hole II for being connected and fixed with machine room ground, elevator top, so that adjustment velocity limiter installation site bottom described support.
The invention has the beneficial effects as follows:
When 1, using, this device is installed between velocity limiter and machine room ground, first turn left crank block jacking velocity limiter, then rolling brake spanner clamping steel rope, then crank block of turning right, put down velocity limiter, the steel rope be clamped is in and loosens the state of coming off, and then starts to detect velocity limiter, after having detected, left-hand rotation crank block jacking velocity limiter, steel rope decontroled by counter-rotation braking spanner, then crank block of turning right puts down velocity limiter, completes whole de-rope dress rope process.This apparatus structure is reasonable in design, safe and reliable, volume size is suitable with former velocity limiter base, base takes off by we, by contrive equipment as floor installation in velocity limiter position base, the hoisting depth that can adjust steel rope flexibly simultaneously clamping steel wire rope can restPosing fast, this replacement does not affect velocity limiter in-use performance, make velocity limiter can take off rope, dress rope very easily, one man operation, simply laborsaving, significantly improve the detection efficiency of velocity limiter.
2, apply scissors type elevating principle, utilize driving handle left-right rotation crank block, the top fulcrum of jacking or decline scissors type elevating frame, thus change the width between centers between scissor supporting leg top and bottom, realize the scissors type elevating of velocity limiter.In the decline process later stage (landing place), application force is acted on crank block by connecting rod by the scissor supporting leg top fulcrum of scissors type elevating frame makes it rotate outside support; The jacking later stage (jacking state position), application force is acted on crank block by connecting rod by the scissor supporting leg top fulcrum of scissors type elevating frame makes it rotate inside support, jacking rearmost position is in inward turning maximum position, i.e. latched position, in latched position, the position of articulating point of crank block and connecting rod is positioned at inside the position of articulating point of crank block and support, then can not make under Action of Gravity Field after jacking that crank block is rotational automatic outside support opens decline, be in locking-in state, ensure that safety in utilization and the reliability of this device.
3, utilize braking spanner to rotate two moving cams and make it impel clamping plate clamping steel wire rope with corresponding cam engagement of determining, contrarotation is discharged and to be resetted clamping plate by retracing spring.
4, this jacking system is in lifting process, velocity limiter can be kept only to move up and down in the vertical direction, do not have horizontal direction traversing, ensures that steel rope is in the center of the grasping part that clamping plate two halves circular arc groove is formed all the time.
5, applied widely, do not limit by safety tongs pincers holding position.
6, use this device, elevator inspected number can be made to reduce 1/4th, be equivalent to save inspector 150,000 people, while improving detection efficiency, it also avoid some checkers in regular inspection process and be afraid of the bothersome potential safety hazard do not examined this and bring.
7, current domestic existing elevator quantity more than 300 ten thousand, annual all with 15% speed increment, 1 year newly-increased elevator quantity 450,000, if this application of installation is on new clothes elevator, old elevator along with refurbish transformation upgrade, for 450,000 newly-increased elevators, every platform velocity limiter fast de-rope dress rope device estimates price 500 yuan, profit 200 yuan calculating, profit perannum 9000 ten thousand yuan, economic benefits.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A-A to section-drawing;
Fig. 3 is the assembly drowing (non-jacking state) of the present invention and velocity limiter;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the assembling stereogram of the present invention and velocity limiter;
Fig. 6 is the assembly drowing (jacking state) of the present invention and velocity limiter;
Fig. 7 is using state schematic diagram of the present invention.
In figure: 1 support, 101 through holes, rectangular mounting hole II, 2 upper cover of 102 rectangular mounting hole I, 103,201 through holes, 202 rectangular mounting hole I, 3 steel ropes, 4 scissors type elevating framves, 401 scissor supporting legs, 5 driving handles, 6 connecting rods, 7 crank blocks, 8 clamping plate, 801 half-arc grooves, groove 802,9 pivot shaft, 10 determine cam, 11 strut bars, 12 moving cams, 13 retracing springs, 14 braking spanners, 15 velocity limiters, 16 machine room ground, 17 cars, 18 expansion tightening wheels.
Detailed description of the invention
As shown in the figure, this elevator governor is de-rope dress rope device fast, comprise support 1 and for velocity limiter 15 bottom the upper cover 2 that is connected and fixed, scissors type elevating frame 4 is connected with between support 1 and upper cover 2, support 1 one end is hinged with a pair crank block 7 with driving handle 5, is hinged with pair of links 6 between scissor supporting leg 401 top of crank block 7 and scissors type elevating frame 4.The rectangular mounting hole I 102,202 of the scissor supporting leg hinge of corresponding scissors type elevating frame 4 is respectively equipped with, so that the horizontal position of trace adjustment scissors type elevating frame 4 away from the support 1 of crank block 7 side and upper cover 2.Wire holder part is assembled with in support 1 space of scissors type elevating frame 4 bottom, wire holder part is by the pivot shaft 9 be located in support 1, be located at be mounted opposite two clamping plate 8 on pivot shaft 9, to be welded in respectively outside two clamping plate 8 and to determine cam 10 with coaxial two of clamping plate 8, be fixed on pivot shaft 9 with the moving cam 12 determined cam 10 and be engaged mutually, pivot shaft 9 both sides are divided into and the strut bar 11 parallel with pivot shaft 9 with clamping plate 8 through support 1, be set on strut bar 11 and the retracing spring 13 be held between two clamping plate 8 and the braking spanner 14 of being located at pivot shaft 11 one end forms.Offer corresponding half-arc groove 801 respectively inside two clamping plate 8 two ends, bottom upper cover 2 and support 1, be respectively equipped with the through hole 201,101 of corresponding half-arc groove 801.Determining cam 10 with the axial occlusal surface of moving cam 12 is curved surface, realizes slack rope action when misplacing to make fixed and moving cam 10,12.The groove 802 holding retracing spring 13 end is offered, to prevent retracing spring 13 play inside clamping plate 8.The rectangular mounting hole II 103 for being connected and fixed with machine room ground, elevator top 16 is offered, so that adjustment velocity limiter 15 installation site bottom support 1.
Principle of work: during use, support 1 is fixed with machine room ground 16, upper cover 2 is fixed with velocity limiter 15, and steel rope 3 one end is connected with car 17 top successively after bottom upper cover 2, wire holder part, support 1, and the other end is walked around limiting device wheel and is connected with bottom car 17 with after expansion tightening wheel 18.
De-rope (plucking rope) process, pull driving handle 5 that crank block 7 is rotated inside support, driven on scissor supporting leg 401 top by connecting rod 6 and move jack-up upper cover 2 and velocity limiter 15, crank block 7 locks after turning to maximum pronated position; Obtaining through refining wrench 14 then drives pivot shaft 9 to rotate, thus two moving cams 12 are rotated, compression reseting spring 13, and two clamping plate 8 are clamping steel wire rope 3 (being held in the grasping part of two halves arc groove 801 formation) inwardly; Then, then retract driving handle 5, velocity limiter 15 declines, and now, protected by wire holder grips steel rope 3, steel rope 3 departs from velocity limiter 15, reaches safety de-rope object.
Dress rope process, needs steel rope 3 to reset after velocity limiter 15 has detected, promote driving handle 5 and crank block 7 is rotated inside support 1, driven on scissor supporting leg 401 top by connecting rod 6 and move jack-up upper cover 2 and velocity limiter 15, steel rope 3 resets; Pull braking spanner 14 downwards, moving cam 12 reverses, and retracing spring 13 resets clamping plate 8, and wire holder part unclamps steel rope 3, now, steel rope 3 with tension filament winding on velocity limiter wheel; Then, then retract driving handle 5, velocity limiter 15 declines, and dress rope reset work completes.
Claims (5)
1. an elevator governor de-rope dress rope device fast, comprise support and for velocity limiter bottom the upper cover that is connected and fixed, it is characterized in that: between described support and upper cover, be connected with scissors type elevating frame, described support one end is hinged with a pair crank block with driving handle, pair of links is hinged with between the scissor supporting leg top of described crank block and scissors type elevating frame, wire holder part is assembled with in the base space of described scissors type elevating frame bottom, described wire holder part is by the pivot shaft be located in support, be located at be mounted opposite two clamping plate on pivot shaft, to be welded in respectively outside two clamping plate and to determine cam with coaxial two of clamping plate, be fixed on pivot shaft with the moving cam determined cam and be engaged mutually, pivot shaft both sides are divided into and the strut bar parallel with pivot shaft through support and clamping plate, the braking spanner composition being set on strut bar and the retracing spring be held between two clamping plate and being located at pivot shaft one end, corresponding half-arc groove is offered respectively inside two clamping plate two ends, the through hole of corresponding half-arc groove is respectively equipped with bottom described upper cover and support.
2. elevator governor according to claim 1 de-rope dress rope device fast, is characterized in that: the described axial occlusal surface determining cam and moving cam is curved surface.
3. elevator governor according to claim 1 de-rope dress rope device fast, is characterized in that: offer the groove holding retracing spring end inside described clamping plate.
4. elevator governor according to claim 1 de-rope dress rope device fast, is characterized in that: the rectangular mounting hole I being respectively equipped with the scissor supporting leg hinge of corresponding scissors type elevating frame away from the support of crank block side and upper cover.
5. elevator governor according to claim 1 de-rope dress rope device fast, is characterized in that: offer the rectangular mounting hole II for being connected and fixed with machine room ground, elevator top bottom described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240315.8A CN104816999B (en) | 2015-05-12 | 2015-05-12 | Rapid rope disassembly and assembly device for elevator speed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240315.8A CN104816999B (en) | 2015-05-12 | 2015-05-12 | Rapid rope disassembly and assembly device for elevator speed governor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104816999A true CN104816999A (en) | 2015-08-05 |
| CN104816999B CN104816999B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510240315.8A Active CN104816999B (en) | 2015-05-12 | 2015-05-12 | Rapid rope disassembly and assembly device for elevator speed governor |
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| CN (1) | CN104816999B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923495A (en) * | 2016-06-30 | 2016-09-07 | 天津市特种设备监督检验技术研究院 | Elevator speed limiter rope-off device |
| CN111776998A (en) * | 2020-07-09 | 2020-10-16 | 河南中电投华新电力工程有限公司 | Maintenance platform and maintenance process for power plant boiler platen superheater |
| CN112279035A (en) * | 2020-10-28 | 2021-01-29 | 日立电梯（中国）有限公司 | Novel speed limiter steel wire rope lifting device |
| CN114813093A (en) * | 2022-06-27 | 2022-07-29 | 南通环宇特种设备安全评估有限公司 | Special equipment instrument's inspection check out test set |
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| JP2004323217A (en) * | 2003-04-28 | 2004-11-18 | Mitsubishi Electric Building Techno Service Co Ltd | Governor rope device of elevator |
| JP2006036436A (en) * | 2004-07-26 | 2006-02-09 | Mitsubishi Electric Building Techno Service Co Ltd | Speed governor rope winding device |
| CN102359546A (en) * | 2011-10-24 | 2012-02-22 | 朱广慧 | Steel rope separating device for checking elevator limiter |
| CN102602761A (en) * | 2012-03-16 | 2012-07-25 | 成都市特种设备检验院 | Steel rope lifting gripper for checking elevator speed limiter |
| CN103434912A (en) * | 2013-08-22 | 2013-12-11 | 常熟市琴茂机械有限公司 | Steel wire rope clamping device of elevator |
| CN203529647U (en) * | 2013-08-06 | 2014-04-09 | 山东省特种设备检验研究院泰安分院 | Device capable of stripping steel wire rope from elevator speed limiter |
| CN204588361U (en) * | 2015-05-12 | 2015-08-26 | 锦州市特种设备监督检验所 | Elevator governor is de-rope dress rope device fast |
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2015
- 2015-05-12 CN CN201510240315.8A patent/CN104816999B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323217A (en) * | 2003-04-28 | 2004-11-18 | Mitsubishi Electric Building Techno Service Co Ltd | Governor rope device of elevator |
| JP2006036436A (en) * | 2004-07-26 | 2006-02-09 | Mitsubishi Electric Building Techno Service Co Ltd | Speed governor rope winding device |
| CN102359546A (en) * | 2011-10-24 | 2012-02-22 | 朱广慧 | Steel rope separating device for checking elevator limiter |
| CN102602761A (en) * | 2012-03-16 | 2012-07-25 | 成都市特种设备检验院 | Steel rope lifting gripper for checking elevator speed limiter |
| CN203529647U (en) * | 2013-08-06 | 2014-04-09 | 山东省特种设备检验研究院泰安分院 | Device capable of stripping steel wire rope from elevator speed limiter |
| CN103434912A (en) * | 2013-08-22 | 2013-12-11 | 常熟市琴茂机械有限公司 | Steel wire rope clamping device of elevator |
| CN204588361U (en) * | 2015-05-12 | 2015-08-26 | 锦州市特种设备监督检验所 | Elevator governor is de-rope dress rope device fast |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923495A (en) * | 2016-06-30 | 2016-09-07 | 天津市特种设备监督检验技术研究院 | Elevator speed limiter rope-off device |
| CN111776998A (en) * | 2020-07-09 | 2020-10-16 | 河南中电投华新电力工程有限公司 | Maintenance platform and maintenance process for power plant boiler platen superheater |
| CN112279035A (en) * | 2020-10-28 | 2021-01-29 | 日立电梯（中国）有限公司 | Novel speed limiter steel wire rope lifting device |
| CN114813093A (en) * | 2022-06-27 | 2022-07-29 | 南通环宇特种设备安全评估有限公司 | Special equipment instrument's inspection check out test set |
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| Publication number | Publication date |
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| CN104816999B (en) | 2017-01-18 |
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