CN103482509A - Steel-wire-rope fixing device - Google Patents

Steel-wire-rope fixing device Download PDF

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Publication number
CN103482509A
CN103482509A CN201310350761.5A CN201310350761A CN103482509A CN 103482509 A CN103482509 A CN 103482509A CN 201310350761 A CN201310350761 A CN 201310350761A CN 103482509 A CN103482509 A CN 103482509A
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China
Prior art keywords
pull bar
block
stop block
wire rope
supporting traverse
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Granted
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CN201310350761.5A
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Chinese (zh)
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CN103482509B (en
Inventor
宋荣升
申长兰
孙志辉
吴海召
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Henan Weihua Heavy Machinery Co Ltd
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Henan Weihua Heavy Machinery Co Ltd
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Priority to CN201310350761.5A priority Critical patent/CN103482509B/en
Publication of CN103482509A publication Critical patent/CN103482509A/en
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Publication of CN103482509B publication Critical patent/CN103482509B/en
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Abstract

The invention discloses a steel-wire-rope fixing device. The steel-wire-rope fixing device comprises a supporting frame, wherein the supporting frame is provided with a pulling rod for fixing a steel wire rope; the pulling rod is movably assembled on the supporting frame along the guiding direction of a steel-wire-rope traction pulling rod; the moving stroke of the pulling rod is provided with a fixing position for fixing the steel wire rope and an alarming position for alarming when the steel wire rope is loose or broken; the pulling rod is assembled with a stopping block for matching with the supporting frame in a stopping manner to fix the steel wire rope when the pulling rod moves to the fixing position; and the alarming position is provided with a position sensor for triggering of the pulling rod moving to the alarming position and outputting of an alarming signal. The steel-wire-rope fixing device also comprises an elastic piece for applying acting force on the pulling rod to force the pulling rod to move from the fixing position to the alarming position when the steel wire rope is loose or broken so as to trigger the position sensor. The steel-wire-rope fixing device disclosed by the invention has the advantage that since the position sensor is triggered by moving the pulling rod when the steel wire rope is loose or broken, the breaking of the steel wire rope at any position reacts on the pulling rod finally, so that the reliability is high.

Description

Wire rope fixing device
Technical field
The present invention relates to a kind of wire rope fixing device.
Background technology
In elevator machinery, for the suspender that lifts weight many by wire rope suspensioning the below in hoisting drum, in general, steel rope from hoisting drum draw rear pile warp movable pulley, fixed pulley extend again be fixed on suspender or for the reel bearing that supports hoisting drum as trolley frame, one end of steel rope is fixed on hoisting drum, the other end connects with suspender or for the reel bearing that supports hoisting drum, in lifting mechanism when work,, the rotation folding and unfolding steel rope by hoisting drum is to control the lifting of suspender.
Steel rope is many to be connected with suspender or reel bearing by wire rope fixing device, disclose a kind of wire rope fixing device in the Chinese utility model patent that is CN203009694U at Granted publication number, comprise for be installed on suspender or the reel bearing on bracing frame, bracing frame comprises supporting seat and is assemblied in the supporting traverse on supporting seat, fixedly be equipped with pull bar on supporting traverse, the be connected end of one end of pull bar for being connected for the fag end with steel rope, the other end of pull bar is the block end, the block end of pull bar is provided with for coordinate to prevent that pull bar from deviating from the stop block of bracing frame under rope traction with the supporting traverse block.When the steel rope load-bearing, steel rope applies pulling force to pull bar, by the stop block on pull bar, with the block of supporting traverse, coordinates, and realizes fixing steel rope.
But above-mentioned wire rope fixing device is only that steel rope is fixed, do not assemble safety guard, can not be monitored the work of lifting mechanism, allomeric function is more single, need to configure in addition safety guard as the wire rope breaking annunciator, disclose a kind of disconnected rope warning device in the Chinese utility model patent that is CN202245800U at Granted publication number, this warning device is to be configured in separately on the steel rope of lifting mechanism, comprise and being arranged on steel rope to monitor the sensor of the stressed size of corresponding steel rope, sensor is connected with the alarm control instrument by signal wire (SW), when wire cable rupture, Sensor monitoring reduces to steel rope is stressed, sensor is thought wire cable rupture, output signal is arrived to the alarm control instrument, the alarm control instrument sends alerting signal.But this warning device is mainly monitored the stressed of steel rope by sensor, and sensor performance is had relatively high expectations, the cost of warning device is higher, has additionally increased the productive costs of lifting mechanism.And, because above-mentioned warning device is arranged on steel rope, like this, when fracture appears in the ran between warning device and wire rope fixing device of steel rope, now warning device is easily destroyed, can't Normal Alarm, reliability is bad.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can carry out to the work of lifting mechanism the wire rope fixing device of reliable monitoring.
For achieving the above object, the technical scheme of wire rope fixing device provided by the present invention is: wire rope fixing device, comprise bracing frame, bracing frame is provided with the pull bar for the steel rope that is connected, described pull bar moves and is assemblied on support frame as described above along the guide direction of rope traction pull bar, on the shift motion of pull bar, have for the fixed bit of fixing steel rope with for the alarm bit at steel wire rope looseness or fracture alarm, be equipped with on pull bar for move to busy hour fixed at pull bar and coordinate the fixedly stop block of steel rope with the bracing frame block, described alarm bit place is provided with for the pull bar for moving to the alarm bit place and triggers the also position transduser of output alarm signal, anchor fitting also comprises at steel wire rope looseness or fracture, the time to pull bar, applying and force pull bar to move to the elastic component of alarm bit with the application force of trigger position sensor from fixed bit.
Described elastic component is the stage clip be arranged between stop block and bracing frame, and an end top of stage clip is pressed on bracing frame, other end top is pressed on stop block.
Be provided with the block sleeve that is sleeved on the pull bar outside between described stop block and bracing frame, one end of block sleeve coordinates with the stop block block, the other end coordinates with the corresponding section block of bracing frame, described position transduser is installed on the block sleeve, on described stop block, is installed with for pull bar and stop block, together moving the contact section with the trigger position sensor.
Described bracing frame comprises that supporting seat and rotation are assemblied in the supporting traverse on supporting seat, offer the perforation of extending along the guide direction of described rope traction pull bar on supporting traverse, the line of centers of perforation and the rotary centerline of described supporting traverse intersect vertically, described pull bar moves in the perforation that is installed on described supporting traverse, stop block on described pull bar coordinates with described supporting traverse block, the fixing assembling of one end of described elastic component and supporting traverse, described position transduser and supporting traverse orientation assemble.
Described supporting seat is provided with two supported holes of peg graft assembling corresponding to the two ends of supporting traverse, between the two ends of described supporting traverse and two supported holes respectively correspondence be provided with the rotational support structure.
Described elastic component is the stage clip be arranged between stop block and supporting traverse, and an end top of stage clip is pressed on supporting traverse, other end top is pressed on stop block.
Be provided with the block sleeve that is sleeved on the pull bar outside between described stop block and supporting traverse, one end of block sleeve coordinates with the stop block block, the other end coordinates with the corresponding section block of supporting traverse, described position transduser is installed on the block sleeve, on described stop block, is installed with for pull bar and stop block, together moving the contact section with the trigger position sensor.
On described pull bar, be equipped with for steel rope being connected on pull bar and the pin sensor overloaded for monitoring steel rope.
Described stop block gap is sleeved on pull bar, offer the through hole with the pull bar free-running fit on stop block, have the external thread section corresponding with stop block on described pull bar, the sidespin that deviates from bracing frame in stop block on the external thread section of pull bar is equipped with the block nut coordinated with the stop block block.
Usefulness of the present invention is: when wire rope fixing device provided by the present invention is used, because moving, pull bar is assemblied on bracing frame, when the pull bar guiding movement to busy hour fixed, stop block on pull bar and bracing frame block coordinate to prevent that pull bar breaks away from bracing frame and then fixing steel rope under rope traction, and when steel wire rope looseness or fracture, the tractive force applied to pull bar due to steel rope reduces rapidly, now, under the effect of elastic component, pull bar will move to alarm bit from fixed bit, and then the trigger position sensor is reported to the police.Wire rope fixing device provided by the present invention not only can be realized the reliable of steel rope fixed, and, because move by pull bar when steel wire rope looseness or fracture, trigger position sensor and then realization are reported to the police, no matter the fracture where at steel rope, finally all will react on pull bar, reliability is high.Wire rope fixing device provided by the present invention not only can play the fixedly effect of steel rope, can also play the effect of safety monitoring, and function is more.And with need to detect the sensor that the stressed performance requriements of steel rope is higher in prior art and compare, what in the wire rope fixing device in the present invention, adopt is position transduser, cost is lower.
Further, supporting traverse and supporting seat that pull bar is assemblied on supporting seat by rotation rotate assembling, while at steel rope, producing different drift angles along with the lifting of suspender, steel rope will synchronously rotate with pull bar, avoid producing additional twisting resistance on pull bar, pull bar only bears along the pulling force of rope traction direction, and supporting seat also only bears pressure, can extend the service life of wire rope fixing device.
Further, by being assemblied in the pin Sensor monitoring steel rope overload on pull bar, realize the overload protection to steel rope, make the functional diversities of wire rope fixing device.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of wire rope fixing device provided by the present invention;
Fig. 2 is A-A cutaway view in Fig. 1;
Fig. 3 is the right side view of anchor fitting shown in Fig. 1.
The specific embodiment
As shown in Figure 1 to Figure 3, a kind of embodiment of wire rope fixing device, wire rope fixing device in this embodiment comprises bracing frame, bracing frame comprises supporting seat 1 and rotates the supporting traverse 4 extended along left and right directions be assemblied on supporting seat 1, supporting seat 1 is for being installed on suspender by anchor fitting or the reel bearing, be provided with two supported holes of peg graft assembling corresponding to the two ends of supporting traverse 4 on supporting seat 1, correspondingly respectively between the two ends of supporting traverse and two supported holes be provided with the support sleeve 11 as the rotational support structure.Wire rope fixing device also comprises the pull bar 3 for being connected with steel rope 100, pull bar 3 moves and is assemblied on bracing frame along the guide direction of rope traction pull bar, specifically, offer the perforation 13 of extending along the guide direction of described rope traction pull bar on supporting traverse 4, the line of centers of perforation 13 and the rotary centerline of supporting traverse 4 intersect vertically crossing, pull bar 3 moves in the perforation 13 that is installed on described supporting traverse 4, on the shift motion of pull bar 3, has for the fixed bit of fixing steel rope 100 with for the alarm bit at steel wire rope looseness or fracture alarm.
Pull bar 3 pass a perforation end of 13 for the fixed end for being connected with steel rope 100, the other end is the block end, there is external thread section on the block end of pull bar 3, on the external thread section of pull bar, gap is set with for move to busy hour fixed at pull bar and coordinates with the supporting traverse block to prevent that pull bar from throwing off with bracing frame under rope traction and then the fixing stop block 8 of steel rope, offer the through hole with pull bar 3 free-running fits on stop block 8, be provided with the block sleeve 7 that is sleeved on pull bar 3 outsides between stop block 8 and supporting traverse 4, one end of block sleeve 7 coordinates with stop block 8 blocks, the other end presses block to coordinate with the top, corresponding section of supporting traverse 4, be provided with the round platform with the endoporus inserting of block sleeve in supporting traverse 4 and block sleeve 7 corresponding sections, block sleeve 7 rotates around the center of turn line locking of supporting traverse with supporting traverse 4.A sidespin that deviates from bracing frame in stop block 8 on the external thread section of pull bar 3 is equipped with the block nut 9 coordinated with stop block 8 blocks, also is installed with the clamp nut 10 for fastening block nut 9 after adjusting to the right place at block nut 9 on the external thread section on pull bar 3.When steel rope 100 drawing pull bar 3, pull bar 3 coordinates with supporting traverse 4 blocks by block nut 9, stop block 9, block sleeve 7, realizes fixing steel rope 100.
And, alarm bit place on mobile formation of pull bar is provided with for the pull bar that moves to the alarm bit place and triggers the also position transduser 6 of output alarm signal, this position transduser is opto-electronic pickup, and position transduser 6 is installed on block sleeve 7 by position transduser support 61.Anchor fitting in the present embodiment also comprises at steel wire rope looseness or fracture, the time to pull bar, applying and force pull bar to move to the elastic component of alarm bit with the application force of trigger position sensor from fixed bit, the elastic force of this elastic component is moderate, the application force of elastic component can not be excessive and then be caused the stop block can't be by coordinating with block sleeve and supporting traverse block, impact is fixing to steel rope, and the application force of elastic component can not be too small and then be caused can't moving to alarm bit with the trigger position sensor from fixed bit by pushing drawing rod when steel wire rope looseness or fracture.Elastic component herein herein is the stage clip 5 be sleeved on pull bar 3, and an end top of stage clip 5 is pressed on supporting traverse 4, the other end pushes up and is pressed on stop block 8, under the mating reaction of stage clip 5 and block nut 9, and stop block 8 and pull bar 3 synchronization actions.On stop block 8, be installed with for pull bar and stop block, together moving the contact section 12 with the trigger position sensor.
In the present embodiment contact section 12 be positioned at a side of position transduser 6, when pull bar moves with contact section 12, contact section 12 is by the trigger position sensor.
The fixed end of pull bar 3 is equipped with for steel rope 100 being connected in to the pin sensor 2 on pull bar 3, by this pin sensor 2, can effectively monitor the steel rope overload, forms overload protection.
During use, at first carry out presetting, due to the support of supporting traverse 4 and block sleeve 7 and stop block 8, can the guide direction along the rope traction pull bar move by adjustment block nut 9 adjustment pull bars 3, the adjustment of realization to tightness of steel wire rope, after guaranteeing to adjust, stage clip 5 is in compressive state simultaneously.
During lifting mechanism work, the steel rope load-bearing, steel rope 100 moves drawing pull bar, makes pull bar 3 move to fixed bit, and now, on pull bar 3, stop block coordinates with supporting traverse 4 blocks by block sleeve 7, guarantees fixing steel rope.And along with hoisting drum folding and unfolding steel rope, steel rope is controlled sling lifting, now, steel rope 100 is along with the deflection of the lifting meeting generation different angles of suspender, and now, steel rope 100 will synchronously rotate around the rotary centerline of supporting traverse 4 with pull bar 3, stop block 8, block sleeve 7 and supporting traverse 4, now, pull bar 3 is bearing tension only, and supporting seat also advances to bear pressure, and stressing conditions is simple.
If during the lifting mechanism normal operation, steel rope 100 tensions, pull bar 3 can not move in the perforation 13 of supporting traverse 4, spring 5 is all the time in compressive state, and when the tactile end of suspender causes steel wire rope looseness or steel rope to rupture suddenly, the draw power that steel rope 100 applies to pull bar 3 reduces rapidly, now, pull bar 3 will be moved to alarm bit by fixed bit under the effect of stage clip 5, now, stop block 8 and contact section 12 together move with pull bar, after pull bar 3 moves to alarm bit, contact section 12 is by trigger position sensor 6, the signal output part of position transduser 6 sends alerting signal, and cut off the electricity supply.
In above-described embodiment, for being opto-electronic pickup by the mobile-initiated position transduser of pull bar, when pull bar moves with contact section, contact section can trigger opto-electronic pickup.In other embodiments, position transduser can be also magnetic induction sensor or Hall element, and now, contact section is permanent magnet.Certainly, also this position transduser can be arranged to the self-replaced type mechanical limit switch, after pull bar moves into place with contact section, by contact section trigger switch, and, when pull bar is removed with contact section, this limit switch automatically resets.As long as sensor or the switch that can be triggered by mobile pull bar can be used as the function that position transduser is realized trigger alarm.
In above-described embodiment, bracing frame comprises that supporting seat and rotation are assemblied in the supporting traverse on supporting seat, and like this, pull bar can rotate around the center of turn line locking of supporting traverse with supporting traverse, improves the stressed of pull bar.In other embodiments, bracing frame can be also only for assembling the fixing bracket body of pull bar, now, pull bar moves and is assemblied on bracing frame along the guide direction of rope traction pull bar, now, stage clip is set directly between stop block and bracing frame, and the fixed end of stage clip top is pressed on bracing frame, the free end top is pressed on stop block, and the block sleeve also is set directly between stop block and bracing frame.
In above-described embodiment, elastic component is the stage clip be arranged between stop block and supporting traverse, and now, stage clip is arranged in a side of the fixed end that deviates from pull bar of supporting traverse.In other embodiments, elastic component can be also extension spring, and now, extension spring is arranged in a side of the fixed end towards pull bar of supporting traverse.
In above-described embodiment, the end that the top of stage clip is pressed on stop block is free end, in other embodiments, also can on pull bar, be convexly equipped with flange, and make the free end immediate roof of stage clip be pressed on flange, as long as can guarantee that elastic component applies the application force that forces pull bar to move to alarm bit from fixed bit to pull bar.
In above-described embodiment, at the fixed end of pull bar, be provided with the pin sensor, can, so that this steel rope securing device also plays acting on of overload protection, in other embodiments, also can save the pin sensor, and adopt common connecting link pin like this.
In above-described embodiment, the rotational support structure be arranged between supporting traverse and two supported holes is rotary axle box, in other embodiments, the rotation assembling that bearing is realized supporting traverse and supporting seat also can be set.
The wire rope fixing device that above-described embodiment provides can be installed on suspender or be installed in supporting seat for supporting hoisting drum as trolley frame or bracket of electric hoist by bracing frame, wire rope fixing device can be installed according to actual needs, can install along the vertical direction, also can tilt to install, can also install by along continuous straight runs.

Claims (9)

1. wire rope fixing device, comprise bracing frame, bracing frame is provided with the pull bar for the steel rope that is connected, it is characterized in that: described pull bar moves and is assemblied on support frame as described above along the guide direction of rope traction pull bar, on the shift motion of pull bar, have for the fixed bit of fixing steel rope with for the alarm bit at steel wire rope looseness or fracture alarm, be equipped with on pull bar for move to busy hour fixed at pull bar and coordinate the fixedly stop block of steel rope with the bracing frame block, described alarm bit place is provided with for the pull bar for moving to the alarm bit place and triggers the also position transduser of output alarm signal, anchor fitting also comprises at steel wire rope looseness or fracture, the time to pull bar, applying and force pull bar to move to the elastic component of alarm bit with the application force of trigger position sensor from fixed bit.
2. wire rope fixing device according to claim 1, it is characterized in that: described elastic component is the stage clip be arranged between stop block and bracing frame, an end top of stage clip is pressed on bracing frame, other end top is pressed on stop block.
3. wire rope fixing device according to claim 1 and 2, it is characterized in that: be provided with the block sleeve that is sleeved on the pull bar outside between described stop block and bracing frame, one end of block sleeve coordinates with the stop block block, the other end coordinates with the corresponding section block of bracing frame, described position transduser is installed on the block sleeve, on described stop block, is installed with for pull bar and stop block, together moving the contact section with the trigger position sensor.
4. wire rope fixing device according to claim 1, it is characterized in that: described bracing frame comprises that supporting seat and rotation are assemblied in the supporting traverse on supporting seat, offer the perforation of extending along the guide direction of described rope traction pull bar on supporting traverse, the line of centers of perforation and the rotary centerline of described supporting traverse intersect vertically, described pull bar moves in the perforation that is installed on described supporting traverse, stop block on described pull bar coordinates with described supporting traverse block, the fixing assembling of one end of described elastic component and supporting traverse, described position transduser and supporting traverse orientation assemble.
5. wire rope fixing device according to claim 4, it is characterized in that: described supporting seat is provided with two supported holes of peg graft assembling corresponding to the two ends of supporting traverse, between the two ends of described supporting traverse and two supported holes respectively correspondence be provided with the rotational support structure.
6. wire rope fixing device according to claim 4, it is characterized in that: described elastic component is the stage clip be arranged between stop block and supporting traverse, an end top of stage clip is pressed on supporting traverse, other end top is pressed on stop block.
7. according to claim 4 or 5 or 6 described wire rope fixing devices, it is characterized in that: be provided with the block sleeve that is sleeved on the pull bar outside between described stop block and supporting traverse, one end of block sleeve coordinates with the stop block block, the other end coordinates with the corresponding section block of supporting traverse, described position transduser is installed on the block sleeve, on described stop block, is installed with for pull bar and stop block, together moving the contact section with the trigger position sensor.
8. according to the described wire rope fixing device of claim 1 or 4, it is characterized in that: on described pull bar, be equipped with for steel rope being connected on pull bar and the pin sensor overloaded for monitoring steel rope.
9. according to the described wire rope fixing device of claim 1 or 4, it is characterized in that: described stop block gap is sleeved on pull bar, offer the through hole with the pull bar free-running fit on stop block, have the external thread section corresponding with stop block on described pull bar, the sidespin that deviates from bracing frame in stop block on the external thread section of pull bar is equipped with the block nut coordinated with the stop block block.
CN201310350761.5A 2013-08-13 2013-08-13 Wire rope fixing device Active CN103482509B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003323A (en) * 2014-06-11 2014-08-27 无锡通用钢绳有限公司 Steel wire rope looseness warning device
CN107555331A (en) * 2017-09-07 2018-01-09 贵州航天天马机电科技有限公司 A kind of adaptive pull rope mechanism
CN109773154A (en) * 2019-03-29 2019-05-21 中信戴卡股份有限公司 Die casting machine runs liquid detection device
CN111821626A (en) * 2020-07-31 2020-10-27 湖南三一中型起重机械有限公司 Steel wire rope looseness detection device and fire engine

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CN103216129A (en) * 2013-03-28 2013-07-24 王忠利 Steel wire rope looseness and fracture detection device for machinery garage
CN203451135U (en) * 2013-08-13 2014-02-26 河南卫华重型机械股份有限公司 Steel wire rope fixing device

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
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CN107555331A (en) * 2017-09-07 2018-01-09 贵州航天天马机电科技有限公司 A kind of adaptive pull rope mechanism
CN109773154A (en) * 2019-03-29 2019-05-21 中信戴卡股份有限公司 Die casting machine runs liquid detection device
CN109773154B (en) * 2019-03-29 2023-11-03 中信戴卡股份有限公司 Liquid leakage detection device of die casting machine
CN111821626A (en) * 2020-07-31 2020-10-27 湖南三一中型起重机械有限公司 Steel wire rope looseness detection device and fire engine

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