CN107253651A - A kind of rope hoisting clamper of verifying elevator speed limiter - Google Patents
A kind of rope hoisting clamper of verifying elevator speed limiter Download PDFInfo
- Publication number
- CN107253651A CN107253651A CN201710570970.9A CN201710570970A CN107253651A CN 107253651 A CN107253651 A CN 107253651A CN 201710570970 A CN201710570970 A CN 201710570970A CN 107253651 A CN107253651 A CN 107253651A
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- China
- Prior art keywords
- clamp
- steel wire
- caliper
- wire rope
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
Abstract
The invention discloses a kind of rope hoisting clamper of verifying elevator speed limiter.Departed from using locking pliers clamped wire rope from limiter of speed, steel wire rope is easily come off from locking pliers, and danger is brought to workman.The second clamp clamping steel wire rope of the present invention is close to car side；In first clamp, caliper resettlement groove is fixed with pincers block base, and two T-shaped calipers constitute sliding pair with caliper resettlement groove；The first clamp pincers block and swivel nut are fixed on T-shaped caliper；Swivel nut constitutes screw pair with two-way leading screw；The gear wheel being fixed on two-way leading screw is engaged with fixed little gear on the driving shaft；Crankwheel center is hinged with lifting base, and is hinged with connecting rod one end bias, and the connecting rod other end is hinged with lifting slider；The plunger of hydraulic pump is fixed with lifting slider；Pincers block base is fixed with each hydraulic cylinder piston rod by main prypole and hoisting aids bar；Hydraulic pump drive hydraulic cylinder.The present invention is not required to lift car, and elevator can also be operated when shutting down, it is to avoid cause danger to workman.
Description
Technical field
The invention belongs to elevator car safety technical field, and in particular to a kind of steel wire rope of verifying elevator speed limiter is carried
Rise clamper.
Background technology
At present, elevator applications are more and more extensive, and the verification to elevator car safety requires more and more higher, elevator verification code
Regulation：The elevator governor normally used needs to verify once for every 2 years.Verification is, it is necessary to take off steel wire rope from limiter of speed every time
From the diameter of speed limiter wire rope is generally 8mm, and diversified in specifications.Speed limiter wire rope one end is connected on the elevator car
On safety tongs, limiter of speed is bypassed, pit is hung down into, the tensioning wheel of pit is bypassed, is fixed on upwards on car, car drives steel wire
Rope motion, makes the tensioning wheel in limiter of speed and elevator pit in elevator(lift) machine room rotate together.Speed limiter wire rope length according to
The height of floor rice up to a hundred from more than 10 meters to tens meters.The tensioning wheel of pit can have 10cm's or so in the height direction
It is mobile.Because steel wire rope is wound on limiter of speed, the tensioning wheel of pit gives steel wire rope one downward tensile force, along with steel wire rope
The weight of, workman itself from limiter of speed can not take off steel wire rope with clamping devices such as common pliers.It is general at present
Way is：Speed limiter wire rope intersects away from car side with ground in computer room first point, steel wire is clamped with locking pliers
Rope is placed on computer room ground.Under inspecting state, the distance for starting ascending for elevator movement about 10cm stops, the steel wire of cage side
Rope fluffs, then upgrades with locking pliers the distance that the second point that cage side steel wire rope intersects with ground moves up about 10cm, and
Steel wire rope is clamped and is placed in the computer room ground of second point position, the steel wire rope on limiter of speed will be suspended in limiter of speed top or
Depart from limiter of speed, be now easy to the verification of limiter of speed.There is following defect in above-mentioned conventional method：The non-dedicated instrument of locking pliers,
Chucking power is unstable, and steel wire rope easily comes off from locking pliers, causes clamping to fail, certain danger is brought to operative；Electricity
Terraced crawl lifts the bad grasp stroke of car, and it is excessive or too small to easily cause range of lift, in turn results in tensioning wheel and damages or carry
Lift is from inadequate；This is manually operated, and steel wire rope is easily occurred and is come off because of clamping incessantly, laborious and be also easy to produce personal injury.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, to propose that one kind is not required to lifting car, in elevator power down condition
It is down the operable rope hoisting clamper for verifying elevator speed limiter, is also that one kind can accurately control range of lift
And it can avoid causing workman the self-action rope hoisting clamper of danger.
The present invention is realized using following technical scheme：
The present invention includes the first clamp and the second clamp.The first described clamp includes clamp system and jack machinism.Institute
The clamp system stated includes pincers block base, caliper resettlement groove, T-shaped caliper, swivel nut, two-way leading screw, gear wheel, little gear, first
Clamp pincers block, the first clamp steel wire rope cushion cover and lock-screw；Described jack machinism includes lifting base, main prypole, auxiliary
Help prypole, hydraulic pump, crankwheel, connecting rod, lifting slider and lifting chute.Described caliper resettlement groove is consolidated with pincers block base
It is fixed；Two T-shaped caliper spacing are set, the T-slot structure of the inner integrally formed caliper base sliding block of T-shaped caliper and caliper resettlement groove
Into sliding pair；T-shaped caliper outer end is fixed with the first clamp by connecting bolt and clamps block；Two T-shaped calipers are respectively and fixedly provided with swivel nut, two
Individual swivel nut respectively constitutes screw pair with two sections of oppositely oriented screw threads of two-way leading screw two ends；Caliper resettlement groove two ends are respectively and fixedly provided with branch
Bearing, two-way leading screw two ends are supported in two fulcrum bearings by bearing respectively；First clamp pincers block is clamped in two piece of first clamp
The first clamp steel wire rope cushion cover that the opposite side of block is fixed on the first clamp steel wire rope cushion cover, two piece of first clamp pincers block is on double
Set to the centering on leading screw axial direction in face of middle；It is fixed on two gear wheels at two-way leading screw two ends and is fixed on drive shaft
Two little gears at two ends are engaged respectively；Drive shaft is supported on pincers block base by bearing；Described caliper resettlement groove is opened up
Screwed hole, lock-screw is by screwed hole and is aligned in the middle part of two-way leading screw；The front end face of the pincers block base and lifting base is equal
Open up grooving.The center of the crankwheel is hinged with lifting base；Crankwheel is hinged with connecting rod one end bias, the connecting rod other end
It is hinged with lifting slider, described lifting slider and the lifting chute being fixed on lifting base constitute sliding pair；Hydraulic pump
Plunger is fixed with lifting slider；Described main prypole and hoisting aids bar top is each attached to pincers block base bottom, bottom point
The piston rod of a corresponding hydraulic cylinder not with being fixed on lifting base is fixed.Each hydraulic cylinder action of hydraulic pump drive, each liquid
The oil-out of cylinder pressure is equipped with pressure relief means thereon.
The second described clamp includes tong holder, the second clamp steel wire rope cushion cover, the second clamp pincers block, fishbolt and pin
Axle.Locking chute is opened up in the middle part of described tong holder, one end of two tong holders is by hinge, and other end medial surface is respectively and fixedly provided with
Second clamp clamps block；Fishbolt passes through the locking chute of two tong holders, and is connected with nut；It is fixed with second clamp pincers block
Second clamp steel wire rope cushion cover；The second clamp steel wire rope cushion cover on two piece of second clamp pincers block is on bearing pin central axis centering
Set.
The first described clamp steel wire rope cushion cover inwall offers the multiple helicla flutes section vertically equidistantly arranged, the
Two clamp steel wire rope cushion cover inwalls offer the multiple helicla flutes section axially equidistantly arranged along bearing pin.
Described the first clamp pincers block has the first clamp steel wire paunch mat on plurality of specifications, the clamp of different size first pincers block
The helicla flute section radius of curvature of set is different.
The oiler of each hydraulic cylinder is all connected with the oil-out of hydraulic pump, and the oiler of hydraulic pump and each hydraulic cylinder go out
Hydraulic fluid port is all connected with fuel tank；The oiler and oil-out of hydraulic pump are equipped with check valve.
Described pressure relief means thereon includes compressing ball, resets bolt and holddown spring；Described reset bolt and hydraulic cylinder
Body is threadedly coupled, and is enclosed on the holddown spring for resetting bolt head and is pressed on ball is compressed at the oil-out of hydraulic cylinder.
Described drive shaft and crankwheel individually enters power.
Described hoisting aids bar has two or three.
The described caliper resettlement groove back side is equipped with tape measure, and end where the zero graduation line of tape measure is fixed with lifting base；Tape measure
Flexible rule box with pincers block base fix.
The zero graduation line of the tape measure is overlapped with the upper surface of lifting base.
Beneficial effects of the present invention：
1st, the present invention is not required to lifting car, can operated under elevator power down condition, can avoid causing danger to workman.
2nd, the present invention integrates lifting and the holding function of elevator wire rope, can be automatically according to needing to adjust steel wire rope
Hoisting depth and the original state for recovering steel wire rope, with simple to operate, efficient advantage.
3rd, the present invention drives two-way leading screw to rotate by gear engagement, and two-way leading screw realizes pinching action by worm drive,
Clamping force is big, with self-locking and screw nail locking mechanism, and reliability is high, and action gap is small.
4th, the present invention is by hydraulic means lifting, by hoisting aids bar hoisting aids, and lifting is steady, laborsaving, can avoid work
Danger during people's lifting.
Brief description of the drawings
Fig. 1 is the overall structure stereogram of the first clamp in the present invention；
Fig. 2 is the front view in the present invention during the first clamp working condition；
Fig. 3 is the rear view in the present invention during the first clamp working condition；
Fig. 4 is the enlarged drawing of E parts in Fig. 3；
Fig. 5 is the stereogram of clamp system in the present invention；
Fig. 6 is the stereogram of T-shaped caliper in the present invention；
Fig. 7 clamps block stereogram for the first clamp of the present invention；
Fig. 8 is the overall structure stereogram of the second clamp in the present invention；
Fig. 9 is the assembling schematic diagram of steel wire rope and car and tensioning wheel；
In figure：1st, clamp system, 2, jack machinism, 3, steel wire rope, 4, gear wheel, 5, pincers block base, 6, lifting base, 7,
Little gear, 8, fulcrum bearing, 9, lock-screw, 10, main prypole, 11, hoisting aids bar, 12, bearing cap, 13, connecting rod, 14, rise
Weighty slider, 15, hydraulic pump, 16, crankwheel, 17, lifting chute, 18, T-shaped caliper, 19, swivel nut, 20, two-way leading screw, 21, first
Clamp clamps block, the 22, first clamp steel wire rope cushion cover, and 23, grooving, 24, T-slot, 25, caliper resettlement groove, 26, swivel nut hole, 27, pincers
Body base sliding block, 28, tong holder, the 29, second clamp steel wire rope cushion cover, the 30, second clamp pincers block, 31, fishbolt, 32, bearing pin,
33rd, chute is locked, 34, tape measure, 35, flexible rule box.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in figs. 1 and 8, the rope hoisting clamper of a kind of verifying elevator speed limiter, including the first clamp and
Two clamps.First clamp includes clamp system 1 and jack machinism 2.
As shown in Fig. 2~Fig. 6, clamp system 1 include pincers block base 5, caliper resettlement groove 25, fulcrum bearing 8, T-shaped caliper 18,
Swivel nut 19, two-way leading screw 20, gear wheel 4, little gear 7, the first clamp pincers block 21, the first clamp steel wire rope cushion cover 22, tape measure 34
With lock-screw 9；Jack machinism 2 include lifting base 6, main prypole 10, hoisting aids bar 11, hydraulic pump 15, crankwheel 16,
Connecting rod 13, lifting slider 14 and lifting chute 17.Caliper resettlement groove 25 is fixed with pincers block base 5；Two T-shaped spacing of caliper 18 are set
Put, the T-slot 24 of the T-shaped inner integrally formed caliper base sliding block 27 of caliper 18 and caliper resettlement groove 25 constitutes sliding pair, can
To be slided in caliper resettlement groove 25；The T-shaped outer end of caliper 18 is fixed with the first clamp by connecting bolt and clamps block 21；Two T-shaped
Swivel nut 19, two swivel nuts 19 and two sections of oppositely oriented screw threads of the two-way two ends of leading screw 20 are respectively and fixedly provided with the swivel nut hole 26 of caliper 18
Respectively constitute screw pair；The two ends of caliper resettlement groove 25 are respectively and fixedly provided with fulcrum bearing 8, and the two-way two ends of leading screw 20 are supported by bearing respectively
In two fulcrum bearings 8；First clamp clamps block 21 and fixes the first folder in the opposite side (i.e. inner side) of two piece of first clamp pincers block 21
The first clamp steel wire rope cushion cover 22 on steel wire rope cushion cover 22, two piece of first clamp pincers block 21 is clamped on the two-way centering face of leading screw 20
Centering is set；Two little gears 7 of two gear wheels 4 for being fixed on the two-way two ends of leading screw 20 with being fixed on drive shaft two ends are distinguished
Engagement；Drive shaft is supported on pincers block base 5 by bearing；Drive shaft input power；Caliper resettlement groove 25 opens up screwed hole, lock
Tight screw 9 is by screwed hole and is directed at the two-way middle part of leading screw 20, is used to lock two-way leading screw 20 when lock-screw 9 is tightened；Caliper
The back side of resettlement groove 25 is equipped with tape measure 34, and end where the zero graduation line of tape measure 34 is fixed with lifting base 6；As shown in figure 8, tape measure 34
Flexible rule box 35 fixed with pincers block base, the zero graduation line of tape measure 34 is overlapped with the upper surface of lifting base 6, is easy to accurate survey
Measure hoisting depth；The front end face of pincers block base 5 and lifting base 6 opens up grooving 23.The center of crankwheel 16 is fixed with support shaft,
Support shaft is supported on lifting base 6 by bearing, and the bearing is by the axially position of bearing cap 12；Crankwheel 16 is arranged on lifting bottom
6 backs of seat, and be hinged with one end bias of connecting rod 13；The other end of connecting rod 13 is hinged with lifting slider 14, and lifting slider 14 is with fixing
Lifting chute 17 on lifting base 6 constitutes sliding pair；Hydraulic pump 15 is fixed on the back of lifting base 6, the post of hydraulic pump 15
Plug is fixed with lifting slider 14；The input power of crankwheel 16.Main prypole 10 and hoisting aids bar 11 top is each attached to pincers block
The bottom of base 5, the piston rod of the corresponding hydraulic cylinder of bottom respectively with being fixed on lifting base 6 is fixed, in the present embodiment
Hoisting aids bar has two.Hydraulic pump 15 drives each hydraulic cylinder to act by fluid pressure line, and the oil-out of each hydraulic cylinder is equipped with
Pressure relief means thereon, it is specific as follows：The oiler of each hydraulic cylinder is all connected with the oil-out of hydraulic pump 15, the oiler of hydraulic pump 15 and each
The oil-out of hydraulic cylinder is all connected with fuel tank；The oiler and oil-out of hydraulic pump 15 are equipped with check valve；Pressure relief means thereon includes pressure
Tight ball, reset bolt and holddown spring；Reset bolt to be threadedly coupled with hydraulic cylinder body, be enclosed on the compression bullet for resetting bolt head
Spring is pressed on ball is compressed at the oil-out of hydraulic cylinder.
As shown in fig. 7, the inwall of the first clamp steel wire rope cushion cover 22 offers the multiple spirals vertically equidistantly arranged
After groove section, such clamping steel wire rope 3, clamping force is larger, is difficult to release；First clamp pincers block 21 has plurality of specifications, difference rule
The helicla flute section radius of curvature of the first clamp steel wire rope cushion cover 22 on the clamp of lattice first pincers block 21 is different；Due to the first clamp pincers
Block 21 is fixed by connecting bolt with T-shaped caliper 18, is convenient for changing the clamp of different size first pincers block 21 and is become to adapt to steel wire rope 3
The diameter of change.
As shown in figure 8, the second clamp includes tong holder 28, the second clamp steel wire rope cushion cover 29, the second clamp pincers block 30, clamping
Bolt 31 and bearing pin 32.The middle part of tong holder 28 opens up locking chute 33, and one end of two tong holders 28 is hinged by bearing pin 32, the other end
Medial surface is respectively and fixedly provided with the second clamp pincers block 30；Fishbolt 31 passes through the locking chute 33 of two tong holders 28, and connects with nut
Connect；The second clamp steel wire rope cushion cover 29 is fixed with second clamp pincers block 30；The second clamp on two piece of second clamp pincers block 30
Steel wire rope cushion cover 29 is set on the central axis centering of bearing pin 32；The inwall of second clamp steel wire rope cushion cover 29 is offered along bearing pin 32
The multiple helicla flutes section axially equidistantly arranged.
The rope hoisting clamper of the verifying elevator speed limiter, operation principle is as follows：
As shown in figure 9, elevator governor is placed on the ground D in elevator(lift) machine room, (steel wire rope is close by the left side A of steel wire rope 3
Car side) it is connected with car C, steel wire rope bypasses tensioning wheel.In original state, make the second folder by tightening fishbolt 31
Two left side A of the second 29 clamping steel wire rope of clamp steel wire rope cushion cover 3 of pincers, then lie in the second clamp on the ground of computer room
On；The original state of first clamp is as shown in figure 1, the driving of clamp system 1 and jack machinism 2 is independent.In clamp system 1, drive
Moving axis input power, little gear 7 drives gear wheel 4 to rotate, and gear wheel 4 drives two-way leading screw 20 to rotate, and two swivel nuts 19 are relative
Motion, swivel nut 19 is fixed with T-shaped caliper 18, and two pieces of T-shaped relative motions of caliper 18 are until two the first clamp steel wire rope cushion covers 22
The right side B of clamping steel wire rope 3, now tightens lock-screw 9, prevents from loosening.Then, in jack machinism 2, the input of crankwheel 16 is dynamic
Power, drivening rod 13 is moved, and connecting rod 13 drives lifting slider 14 to move back and forth, and the piston of lifting slider 14 and hydraulic pump is fixed,
Hydraulic pump piston is driven to move back and forth, now main prypole 10 and hoisting aids bar 11 slowly rise block base is clamped, tensioning wheel
Follow B on the right side of steel wire rope to rise, during rise, examine the tensile elongation of tape measure 34, reach after predetermined lifting height,
Stop lifting.Now the steel wire rope 3 on limiter of speed is in relaxed state, and speed limit device wheel can be verified.After verification terminates, lead to
Cross and unscrew reset bolt, realize the emptying of each hydraulic cylinder, pincers block base 5 is slowly fallen after rise to initial position, drive shaft reversion, two
Two the first clamp steel wire rope cushion covers 22 on the clamp of block first pincers block 21 unclamp the right side B of steel wire rope 3.Then fishbolt is turned on
31, unclamp two the second clamp steel wire rope cushion covers 29 on two piece of second clamp pincers block 30.
Claims (9)
1. a kind of rope hoisting clamper of verifying elevator speed limiter, it is characterised in that：Pressed from both sides including the first clamp and second
Pincers；The first described clamp includes clamp system and jack machinism；Described clamp system includes pincers block base, caliper placement
Groove, T-shaped caliper, swivel nut, two-way leading screw, gear wheel, little gear, the first clamp pincers block, the first clamp steel wire rope cushion cover and locking
Screw；Described jack machinism includes lifting base, main prypole, hoisting aids bar, hydraulic pump, crankwheel, connecting rod, lifting cunning
Block and lifting chute；Described caliper resettlement groove is fixed with pincers block base；Two T-shaped caliper spacing are set, T-shaped caliper the inner one
The T-slot of body formed caliper base sliding block and caliper resettlement groove constitutes sliding pair；T-shaped caliper outer end is fixed by connecting bolt
There is the first clamp to clamp block；Two T-shaped calipers are respectively and fixedly provided with swivel nut, two swivel nuts and two sections of oppositely oriented spiral shells of two-way leading screw two ends
Line respectively constitutes screw pair；Caliper resettlement groove two ends are respectively and fixedly provided with fulcrum bearing, and two-way leading screw two ends are supported on by bearing respectively
In two fulcrum bearings；First clamp clamps block and fixes the first clamp steel wire rope cushion cover, two in the opposite side of two piece of first clamp pincers block
The first clamp steel wire rope cushion cover on the clamp of block first pincers block is set on the centering on two-way leading screw axial direction in face of middle；Gu
Two little gears of two gear wheels for being scheduled on two-way leading screw two ends with being fixed on drive shaft two ends are engaged respectively；Drive shaft passes through
Bearing is supported on pincers block base；Described caliper resettlement groove opens up screwed hole, and lock-screw is by screwed hole and is directed at two-way
In the middle part of leading screw；The front end face of the pincers block base and lifting base opens up grooving；The center of the crankwheel and lifting bottom
Seat is hinged；Crankwheel is hinged with connecting rod one end bias, and the connecting rod other end is hinged with lifting slider, described lifting slider and fixation
Lifting chute on lifting base constitutes sliding pair；The plunger of hydraulic pump is fixed with lifting slider；Described main prypole and
Hoisting aids bar top is each attached to pincers block base bottom, the corresponding hydraulic cylinder of bottom respectively with being fixed on lifting base
Piston rod fix；Each hydraulic cylinder action of hydraulic pump drive, the oil-out of each hydraulic cylinder is equipped with pressure relief means thereon；
The second described clamp includes tong holder, the second clamp steel wire rope cushion cover, the second clamp pincers block, fishbolt and bearing pin；Institute
Locking chute is opened up in the middle part of the tong holder stated, one end of two tong holders is by hinge, and other end medial surface is respectively and fixedly provided with second
Clamp clamps block；Fishbolt passes through the locking chute of two tong holders, and is connected with nut；Second is fixed with second clamp pincers block
Clamp steel wire rope cushion cover；The second clamp steel wire rope cushion cover on two piece of second clamp pincers block is set on bearing pin central axis centering
Put.
2. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The the first clamp steel wire rope cushion cover inwall stated offers the multiple helicla flutes section vertically equidistantly arranged, the second clamp steel wire
Paunch mat set inwall offers the multiple helicla flutes section axially equidistantly arranged along bearing pin.
3. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The the first clamp pincers block stated has the helicla flute of the first clamp steel wire rope cushion cover on plurality of specifications, the clamp of different size first pincers block
Section radius of curvature is different.
4. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The oiler for stating each hydraulic cylinder is all connected with the oil-out of hydraulic pump, and the oil-out of the oiler of hydraulic pump and each hydraulic cylinder is all connected with
Fuel tank；The oiler and oil-out of hydraulic pump are equipped with check valve.
5. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The pressure relief means thereon stated includes compressing ball, resets bolt and holddown spring；Described reset bolt is threadedly coupled with hydraulic cylinder body,
The holddown spring for resetting bolt head is enclosed on to be pressed on ball is compressed at the oil-out of hydraulic cylinder.
6. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The drive shaft and crankwheel stated individually enter power.
7. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The hoisting aids bar stated has two or three.
8. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 1, it is characterised in that：Institute
The caliper resettlement groove back side stated is equipped with tape measure, and end where the zero graduation line of tape measure is fixed with lifting base；The flexible rule box of tape measure with
Pincers block base is fixed.
9. a kind of rope hoisting clamper of verifying elevator speed limiter according to claim 8, it is characterised in that：Institute
The zero graduation line for stating tape measure is overlapped with the upper surface of lifting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570970.9A CN107253651B (en) | 2017-07-13 | 2017-07-13 | Steel wire rope lifting clamp holder for checking elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570970.9A CN107253651B (en) | 2017-07-13 | 2017-07-13 | Steel wire rope lifting clamp holder for checking elevator speed limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107253651A true CN107253651A (en) | 2017-10-17 |
| CN107253651B CN107253651B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710570970.9A Active CN107253651B (en) | 2017-07-13 | 2017-07-13 | Steel wire rope lifting clamp holder for checking elevator speed limiter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205448A (en) * | 2018-10-18 | 2019-01-15 | 太原科技大学 | A kind of multi link heavy duty lock rope device |
| CN110842841A (en) * | 2019-11-19 | 2020-02-28 | 徐州易尚饰家装饰工程有限责任公司 | Steel cable tensioning structure |
| 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 |
| CN109205448B (en) * | 2018-10-18 | 2024-04-26 | 太原科技大学 | Multi-connecting-rod heavy-load rope locking device |
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