CN203451135U - Steel wire rope fixing device - Google Patents
Steel wire rope fixing device Download PDFInfo
- Publication number
- CN203451135U CN203451135U CN201320492309.8U CN201320492309U CN203451135U CN 203451135 U CN203451135 U CN 203451135U CN 201320492309 U CN201320492309 U CN 201320492309U CN 203451135 U CN203451135 U CN 203451135U
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- pull bar
- block
- wire rope
- stop block
- supporting traverse
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Abstract
The utility model discloses a steel wire rope fixing device, which comprises a support frame and an elastic piece, wherein the support frame is provided with a pull rod for being fixedly connected with a steel wire rope; the pull rod is movably assembled on the support frame along the guide direction of the pull rod drawn by the steel wire rope; the moving travel of the pull rod is provided with a fixing position for fixing the steel wire rope and an alarm position for making an alarm when the steel wire rope becomes loose or is broken; a block which is matched with the support frame in a blocking way to fix the steel wire rope when the pull rod moves to the fixed position is assembled on the pull rod; a position sensor for enabling the pull rod moving to the alarm position to trigger and output an alarm signal is arranged at the alarm position; the elastic piece is used for applying acting force to the pull rod for moving the pull rod from the fixing position to the alarm position in order to trigger the position sensor when the steel wire rope becomes loose or is broken. The position sensor is triggered via the movement of the pull rod when the steel wire rope becomes loose or is broken, and a certain response is made on the pull rod finally no matter which part of the steel wire rope is broken, so that high reliability is achieved.
Description
Technical field
The utility model relates to a kind of wire rope fixing device.
Background technology
In elevator machinery, for lift the suspender of weight many by wire rope suspensioning in the below of hoisting drum, in general, steel rope from hoisting drum draw rear pile warp movable pulley, fixed pulley extend be again 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 supporting the reel bearing of 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, in the Chinese utility model patent that is CN203009694U at Granted publication number, disclose a kind of wire rope fixing device, comprise for be installed on suspender or reel bearing on bracing frame, bracing frame comprises supporting seat and is assemblied in the supporting traverse on supporting seat, on supporting traverse, be fixedly equipped with pull bar, 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 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 supporting traverse block.When steel rope load-bearing, steel rope applies pulling force to pull bar, by the stop block on pull bar, coordinates with the block of supporting traverse, 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 monitor the work of lifting mechanism, allomeric function is more single, need to configure in addition safety guard as wire rope breaking annunciator, in the Chinese utility model patent that is CN202245800U at Granted publication number, disclose a kind of disconnected rope warning device, 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 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 alarm control instrument, 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, cannot Normal Alarm, reliability is bad.
Utility model content
The purpose of this utility model is to provide 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 utility model is: a kind of 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, on pull bar, be equipped with for move to busy hour fixed at pull bar and coordinate the fixedly stop block of steel rope with bracing frame block, described alarm bit place is provided with for the pull bar for moving to alarm bit place and triggers the also position transduser of output alarm signal, anchor fitting also comprises for time 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 to pull bar at steel wire rope looseness or fracture.
Described elastic component is the stage clip being arranged between stop block and bracing frame, and the top, one end of stage clip is pressed on bracing frame, other end top is pressed on stop block.
Between described stop block and bracing frame, be provided with the block sleeve that is sleeved on pull bar outside, one end of block sleeve coordinates with stop block block, the other end coordinates with the corresponding section block of bracing frame, described position transduser is installed on block sleeve, is installed with for together moving the contact portion with trigger position sensor with pull bar and stop block on described stop block.
Described bracing frame comprises that supporting seat and rotation are assemblied in the supporting traverse on supporting seat, on supporting traverse, offer the perforation of extending along the guide direction of described rope traction pull bar, 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 corresponding two supported holes of pegging graft and assembling in two ends with supporting traverse, and between the two ends of described supporting traverse and two supported holes, correspondence is provided with rotational support structure respectively.
Described elastic component is the stage clip being arranged between stop block and supporting traverse, and the top, one end of stage clip is pressed on supporting traverse, other end top is pressed on stop block.
Between described stop block and supporting traverse, be provided with the block sleeve that is sleeved on pull bar outside, one end of block sleeve coordinates with stop block block, the other end coordinates with the corresponding section block of supporting traverse, described position transduser is installed on block sleeve, is installed with for together moving the contact portion with trigger position sensor with pull bar and stop block on described stop block.
On described pull bar, be equipped with for steel rope being connected on pull bar and for monitoring the pin sensor of steel rope overload.
Described stop block gap is sleeved on pull bar, on stop block, offer the through hole with pull bar free-running fit, on described pull bar, have the external thread section corresponding with stop block, the sidespin that deviates from bracing frame in stop block on the external thread section of pull bar is equipped with the block nut coordinating with stop block block.
Usefulness of the present utility model is: when wire rope fixing device provided by the utility model is used, because moving, pull bar is assemblied on bracing frame, when pull bar guiding movement is to busy hour fixed, stop block on pull bar and bracing frame block coordinate to prevent that pull bar from departing from bracing frame and then fixing steel rope under rope traction, and when steel wire rope looseness or fracture, the tractive force applying 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 trigger position sensor is reported to the police.Wire rope fixing device provided by the utility model 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 utility model not only can play the fixedly effect of steel rope, can also play the effect of safety monitoring, and function is more.And with in prior art, need to detect the sensor that the stressed performance requriements of steel rope is higher and compare, what in the wire rope fixing device in the utility model, 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 producing different drift angles along with the lifting of suspender at steel rope, 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 the pin Sensor monitoring steel rope being assemblied on pull bar, overload, realize the overload protection to steel rope, make the functional diversities of wire rope fixing device.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of wire rope fixing device provided by the utility model;
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 extending along left and right directions being assemblied on supporting seat 1, supporting seat 1 is for being installed on suspender by anchor fitting or reel bearing, on supporting seat 1, be provided with two supported holes that assemble with the corresponding grafting in two ends of supporting traverse 4, between the two ends of supporting traverse and two supported holes, correspondence is provided with the support sleeve 11 as rotational support structure respectively.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, on supporting traverse 4, offer the perforation 13 of extending along the guide direction of described rope traction pull bar, 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, has for the fixed bit of fixing steel rope 100 with for the alarm bit at steel wire rope looseness or fracture alarm on the shift motion of pull bar 3.
Pull bar 3 pass perforation one end of 13 for the fixed end for being connected with steel rope 100, the other end is block end, on the block end of pull bar 3, there is external thread section, on the external thread section of pull bar, gap is set with for move to busy hour fixed at pull bar and coordinates with 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, on stop block 8, offer the through hole with pull bar 3 free-running fits, between stop block 8 and supporting traverse 4, be provided with the block sleeve 7 that is sleeved on pull bar 3 outsides, 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, in supporting traverse 4 and block sleeve 7 corresponding sections, be provided with the round platform with the endoporus inserting of block sleeve, 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 coordinating with stop block 8 blocks, is also 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 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 for time 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 to pull bar at steel wire rope looseness or fracture, 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 cannot 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 cannot from fixed bit, moving to alarm bit with trigger position sensor by pushing drawing rod when steel wire rope looseness or fracture.Elastic component herein is herein the stage clip 5 being sleeved on pull bar 3, and the top, one end 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 together moving the contact portion 12 with trigger position sensor with pull bar and stop block.
In the present embodiment contact portion 12 be positioned at a side of position transduser 6, when pull bar moves with contact portion 12, contact portion 12 is by 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, can effectively monitor steel rope overload by this pin sensor 2, forms overload protection.
During use, 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 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, 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 enters to bear pressure, and stressing conditions is simple.
If during 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 at stage clip 5, now, stop block 8 and contact portion 12 together move with pull bar, when pull bar 3 moves to after alarm bit, contact portion 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 portion, contact portion can trigger opto-electronic pickup.In other embodiments, position transduser can be also magnetic induction sensor or Hall element, and now, contact portion is permanent magnet.Certainly, also this position transduser can be arranged to self-replaced type mechanical limit switch, after pull bar moves into place with contact portion, by contact portion trigger switch, and when pull bar is removed with contact portion, this limit switch automatically resets.As long as sensor or the switch that can be triggered by the pull bar moving 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, free end top is pressed on stop block, and block sleeve is also set directly between stop block and bracing frame.
In above-described embodiment, elastic component is the stage clip being 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, one 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 the free end immediate roof of stage clip is 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 pin sensor, can, so that this steel rope securing device also plays acting on of overload protection, in other embodiments, also can save pin sensor, and adopt common connecting link pin like this.
In above-described embodiment, the rotational support structure being 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. a 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, on pull bar, be equipped with for move to busy hour fixed at pull bar and coordinate the fixedly stop block of steel rope with bracing frame block, described alarm bit place is provided with for the pull bar for moving to alarm bit place and triggers the also position transduser of output alarm signal, anchor fitting also comprises for time 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 to pull bar at steel wire rope looseness or fracture.
2. wire rope fixing device according to claim 1, is characterized in that: described elastic component is the stage clip being arranged between stop block and bracing frame, and the top, one end 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: between described stop block and bracing frame, be provided with the block sleeve that is sleeved on pull bar outside, one end of block sleeve coordinates with stop block block, the other end coordinates with the corresponding section block of bracing frame, described position transduser is installed on block sleeve, is installed with for together moving the contact portion with trigger position sensor with pull bar and stop block on described stop block.
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, on supporting traverse, offer the perforation of extending along the guide direction of described rope traction pull bar, 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 corresponding two supported holes of pegging graft and assembling in two ends with supporting traverse, and between the two ends of described supporting traverse and two supported holes, correspondence is provided with rotational support structure respectively.
6. wire rope fixing device according to claim 4, is characterized in that: described elastic component is the stage clip being arranged between stop block and supporting traverse, and the top, one end of stage clip is pressed on supporting traverse, other end top is pressed on stop block.
7. according to the wire rope fixing device described in claim 4 or 5 or 6, it is characterized in that: between described stop block and supporting traverse, be provided with the block sleeve that is sleeved on pull bar outside, one end of block sleeve coordinates with stop block block, the other end coordinates with the corresponding section block of supporting traverse, described position transduser is installed on block sleeve, is installed with for together moving the contact portion with trigger position sensor with pull bar and stop block on described stop block.
8. according to the wire rope fixing device described in 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 for monitoring the pin sensor of steel rope overload.
9. according to the wire rope fixing device described in claim 1 or 4, it is characterized in that: described stop block gap is sleeved on pull bar, on stop block, offer the through hole with pull bar free-running fit, on described pull bar, have the external thread section corresponding with stop block, the sidespin that deviates from bracing frame in stop block on the external thread section of pull bar is equipped with the block nut coordinating with stop block block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492309.8U CN203451135U (en) | 2013-08-13 | 2013-08-13 | Steel wire rope fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492309.8U CN203451135U (en) | 2013-08-13 | 2013-08-13 | Steel wire rope fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451135U true CN203451135U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492309.8U Expired - Fee Related CN203451135U (en) | 2013-08-13 | 2013-08-13 | Steel wire rope fixing device |
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| Country | Link |
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| CN (1) | CN203451135U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482509A (en) * | 2013-08-13 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Steel-wire-rope fixing device |
| CN108478267A (en) * | 2018-02-08 | 2018-09-04 | 中南大学湘雅医院 | A kind of orthopaedics draft gear and its control method |
| 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 |
-
2013
- 2013-08-13 CN CN201320492309.8U patent/CN203451135U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482509A (en) * | 2013-08-13 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Steel-wire-rope fixing device |
| CN103482509B (en) * | 2013-08-13 | 2016-08-10 | 河南卫华重型机械股份有限公司 | Wire rope fixing device |
| CN108478267A (en) * | 2018-02-08 | 2018-09-04 | 中南大学湘雅医院 | A kind of orthopaedics draft gear and its control method |
| CN108478267B (en) * | 2018-02-08 | 2019-12-17 | 中南大学湘雅医院 | Traction device for orthopedics |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20170813 |