CN101898707B - Cable reel limit alarm device - Google Patents
Cable reel limit alarm device Download PDFInfo
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- CN101898707B CN101898707B CN2010102492604A CN201010249260A CN101898707B CN 101898707 B CN101898707 B CN 101898707B CN 2010102492604 A CN2010102492604 A CN 2010102492604A CN 201010249260 A CN201010249260 A CN 201010249260A CN 101898707 B CN101898707 B CN 101898707B
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- axis body
- feedback element
- alarm device
- drive end
- limit alarm
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Abstract
The invention discloses a cable reel limit alarm device, which is used for respectively giving out an alarm signal when a reel (1) has no cable to release and is fully coiled with cables and comprises a casing, wherein the casing is internally provided with a shaft which is connected with the reel (1) and can rotate along with a shaft body; the shaft body is connected with a trigger element which is connected with the shaft body to do linear reciprocating motion in a rotary manner, and the trigger element respectively moves to a first limit point and a second limit point when the cables are completely released out and fully coiled; and the casing is internally provided with a first feedback element (21) which is arranged corresponding to the first limit point and can give out a first alarm signal by being triggered by the trigger element and a second feedback element (22) which is arranged corresponding to the second limit point and can give out a second alarm signal by being triggered by the trigger element. The alarm device can improve work reliability thereof greatly due to structural design thereof.
Description
Technical field
The present invention relates to the cable drum field, particularly a kind of cable reel limit alarm device.
Background technology
Shuttle car is a kind of underground hauling of coal machinery, and it is provided with reel, and is wound with the cable of certain-length on this reel.Shuttle car is in when work, and this reel is rolled cable or discharged the operation of cable, so that shuttle car can back and forth walk, thereby realizes fortune coal purpose.
Reel is provided with limit alarm device, so that cable when on reel, draining or being rolled up, sends alerting signal, thereby prevents dangerous generation or damage equipment.Certainly, be not limited to shuttle car, be applied to the mechanical field of cable drum, also need be provided with limit alarm device on the cable drum, so that prevent dangerous generation or damage equipment at other.
At present, cable reel limit alarm device of the prior art generally is that a mechanism that is made up of retracing spring and travel switch is installed on reel, and when cable did not drain, travel switch was depressed by cable, and open contact is closed; When cable drained, retracing spring was in the normal state travel switch, and open the contact; Closure through the travel switch contact judges with the state of opening whether cable drains.But when cable drum was operated in moist or have in the environment of dust, retracing spring was sticked easily, and it is malfunctioning that switch is resetted, and also can not send warning when this can cause cable to drain or be rolled up, thereby cause dangerous or damage equipment.
In view of this, how effectively improving the functional reliability of cable reel limit alarm device, make it still can normal operation in rugged environment relatively, be the problem that those skilled in the art need solution badly.
Summary of the invention
The technical matters that the present invention will solve provides a kind of cable reel limit alarm device, and the structure design of this warning device can significantly improve the reliability of its work.
For solving the problems of the technologies described above; The present invention provides a kind of cable reel limit alarm device, is used for sending alerting signal respectively when cable drains and is rolled up on reel, comprises housing; Be provided with in the said housing and be connected with said reel and with the axis body of its rotation; Said axis body is connected with the triggering element that does reciprocating linear motion with its rotation, and when said cable drained and is rolled up, said triggering element moved to the first spacing point and the second spacing point respectively; Also be provided with corresponding in the said housing and receive said triggering element to trigger and send first feedback element of first alerting signal with said first spacing some position, and corresponding with said second spacing some position and receive said triggering element triggering and send second feedback element of second alerting signal;
Said axis body is a screw mandrel, and said triggering element is and said screw mandrel nut engaged dish; The said first spacing point and the said second spacing point lay respectively at the two ends of said screw mandrel, said first feedback element be positioned at substantially the said first spacing point directly over, said second feedback element be positioned at substantially the said second spacing point directly over;
The diapire of said housing is fixed with the axially extended guide rail along said screw mandrel, and the bottom of said nut plate is provided with the breach that cooperates with said guide rail;
The top of said nut plate is removably connected with elastomeric element, and said nut plate triggers said first feedback element or said second feedback element through said elastomeric element.
Preferably, the mouth rotary connection of said reel has chain, and the input end rotation of said axis body stretches out in said housing, and said input end is fixed with the sprocket wheel that cooperates with said chain.
Preferably, said housing comprises drive end end cap and the non-drive end shield of being located at two ends, and the input end rotation of said axis body stretches out in said drive end end cap, and the other end that said axis body is relative with said input end is rotaryed connection with said non-drive end shield.
Preferably, be provided with clutch shaft bearing between said drive end end cap and the said axis body, be provided with second bearing between said non-drive end shield and the said axis body; The outside of said drive end end cap is provided with the lid that passes through of the said clutch shaft bearing of butt, and the input end of said axis body rotates from the through hole of said lid and stretches out; The outside of said non-drive end shield is provided with the stifle of said second bearing of butt, and said stifle seals the said axis body other end relative with its input end.
Preferably, said first feedback element is through first inboard that is set up in said drive end end cap, and said second feedback element is through second inboard that is set up in said non-drive end shield.
Preferably, said first support is provided with regulates first adjusting pad of said first feedback element along the axial location of said axis body, and said second support is provided with regulates second adjusting pad of said second feedback element along the axial location of said axis body.
Preferably, said housing further comprises all the top cover that is tightly connected with said drive end end cap and said non-drive end shield.
Preferably, said first feedback element and said second feedback element are travel switch.
On the basis of existing technology, cable reel limit alarm device provided by the present invention comprises housing; Be provided with in the said housing and be connected with said reel and with the axis body of its rotation; Said axis body is connected with the triggering element that does reciprocating linear motion with its rotation, and when said cable drained, said triggering element moved along a straight line to the first spacing point; And trigger and this cooresponding first feedback element in spacing some position, said first feedback element sends first alerting signal; When said cable oppositely was rolled up, said triggering element was along the spacing point of straight line counter motion to the second, and triggering and this cooresponding second feedback element in spacing some position, and said second feedback element sends second alerting signal.
In the present invention, as long as reel rotates, just can drive and trigger the element moving linearly; Trigger element and just can correspondingly trigger first feedback element or second feedback element; Even thereby moist or have dust etc. relatively in the rugged environment, its working process is unaffected basically, thereby; With respect to the limit alarm device of being made up of travel switch and retracing spring in the prior art, its functional reliability of cable reel limit alarm device provided by the present invention is significantly improved.
Description of drawings
Fig. 1 is the structural representation of cable reel limit alarm device in an embodiment of the present invention;
Fig. 2 is that the B of cable reel limit alarm device among Fig. 1 is to view;
Fig. 3 is limit alarm device and the annexation scheme drawing of cable drum among Fig. 1.
The specific embodiment
The technical matters that the present invention will solve provides a kind of cable reel limit alarm device, and the structure design of this warning device can significantly improve the reliability of its work.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the structural representation of cable reel limit alarm device in an embodiment of the present invention; Fig. 2 is that the B of cable reel limit alarm device among Fig. 1 is to view; Fig. 3 is limit alarm device and the annexation scheme drawing of cable drum among Fig. 1.
In one embodiment, cable reel limit alarm device provided by the present invention is used for sending respectively when cable drains and is rolled up alerting signal on reel 1; This warning device comprises housing, and is as shown in Figure 1, be provided with in the said housing to be connected with reel 1 and with the axis body of its rotation, and said axis body is connected with the triggering element that does reciprocating linear motion with its rotation.When said cable drained and is rolled up on reel 1, said triggering element moved to the first spacing point and the second spacing point respectively, and obviously, along with the axis body rotation, said triggering element does reciprocating linear motion between this first spacing point and the second spacing point.
In addition; As shown in Figure 1, be provided with first feedback element 21 in the said housing, this first feedback element 21 is corresponding with first spacing some position; When cable drains on reel 1; When the triggering element moves at this first spacing, just trigger first feedback element 21, this first feedback element 21 just sends first alerting signal; Also be provided with second feedback element 22 in the said housing; This second feedback element 22 is corresponding with second spacing some position, when cable is rolled up on reel 1, when triggering element and moving at this second spacing; Just trigger second feedback element 22, this second feedback element 22 just sends second alerting signal.
In the present invention; As long as reel 1 rotates, just can drive and trigger the element moving linearly, trigger element and just can correspondingly trigger first feedback element 21 or second feedback element 22; Even thereby moist or have dust etc. relatively in the rugged environment; Its working process is unaffected basically, thereby with respect to the limit alarm device of being made up of travel switch and retracing spring in the prior art, its functional reliability of cable reel limit alarm device provided by the present invention is significantly improved.
Need to prove; First; Present embodiment does not limit for the type of drive between reel 1 and the said axis body, thereby any one type of drive, as long as can realize that said axis body is along with reel 1 rotates; Just all should be within protection scope of the present invention, such as adopting chain-driving (this kind mode will be discussed hereinafter in detail), belt-driving or other type of drive.
Second; Present embodiment does not limit for the structural relation between trigger unit and the axis body; Any one structure; Straight reciprocating motion takes place and then trigger feedback element along with the axis body rotation as long as can realize trigger unit, just all should be within protection scope of the present invention, such as adopting feed screw nut's structure.
Particularly, as shown in Figure 1, said axis body is a screw mandrel 3; Said triggering element is and screw mandrel 3 nut engaged dishes 4, and nut plate 4 was upwards given in week spacing, thereby when screw mandrel 3 rotates; Nut plate 4 is rotation thereupon not; But moving linearly, and along with the hand of rotation of screw mandrel 3 changes, the direction of nut plate 4 moving linearlies also can change.On this basis, the said first spacing point and the said second spacing point lay respectively at the two ends of screw mandrel 3, first feedback element 21 be positioned at substantially the said first spacing point directly over, second feedback element 22 be positioned at substantially the said second spacing point directly over.
When screw mandrel 3 was rotated in the forward, nut plate 4, just triggered first feedback element, 21, the first feedback elements 21 that are positioned at the first spacing top and sends first alerting signal when nut plate 4 moves at this first spacing to the direction motion near the first spacing point; When screw mandrel 3 contrarotations, nut plate 4 when nut plate 4 moves at this second spacing, just triggers second feedback element 22 that is positioned at the second spacing top to the direction motion near the second spacing point, and this second feedback element 22 sends second alerting signal.
Please refer to Fig. 2, further, in order to realize nut plate 4 more easily along screw mandrel 3 moving linearlies, the diapire of said housing can be fixed with the axially extended guide rail 5 along screw mandrel 3, and nut plate 4 is provided with the breach 41 that cooperates with guide rail 5; This guide rail 5 plays circumferential position-limiting action to nut plate 4 on the one hand, and it can not rotated along with screw mandrel 3 rotations, on the other hand nut plate 4 is played axially directed effect, make it along screw mandrel 3 axial moving linearlies, and motion relatively steadily, reliably.
Further, please be removably connected with elastomeric element 42 on the nut plate 4 simultaneously with reference to figure 1 and Fig. 2, nut plate 4 triggers first feedback element 21 or second feedback element 22 through elastomeric element 42.Obviously, when elastomeric element 42 is damaged, needn't change nut plate 4, only change this elastomeric element 42 and get final product, thereby practiced thrift cost.In addition; Need to prove that after elastomeric element 42 triggered feedback element, nut plate 4 also can continue a bit of distance of moving usually; This moment is in this segment distance range; Deformation takes place owing to having elasticity in elastomeric element 42, thus its with feedback element between to contact be a kind of soft contact all the time, thereby avoided feedback element is caused damage.
As indicated above, can adopt the chain-drive mode between reel 1 and the axis body (being specially screw mandrel 3).Particularly, as shown in Figure 3, the mouth rotary connection of reel 1 has chain 61, and is as shown in Figure 1, and the rotation of the input end of said axis body stretches out in said housing, and this input end is fixed with sprocket wheel 62, and this sprocket wheel 62 cooperates with chain 61, thereby has realized the rotation of axis body.
In above-mentioned any technical scheme, can also make concrete setting to housing provided by the present invention.
Particularly, please refer to Fig. 1, said housing comprises the drive end end cap 71 and non-drive end shield 72 of being located at two ends, and the input end of said axis body stretches out from 71 rotations of drive end end cap, and the other end of said axis body is rotaryed connection with non-drive end shield 72.Further, be provided with clutch shaft bearing 73 between drive end end cap 71 and the said axis body, be provided with second bearing 74 between anti-drive end cover 72 and the said axis body; What the outside of drive end end cap 71 was provided with butt clutch shaft bearing 73 covers 75 thoroughly, and the input end of said axis body rotates from cover 75 through hole thoroughly and stretches out; The outside of non-drive end shield 72 is provided with the stifle 76 of butt second bearing 74, and the stifle 76 said axis bodies of the sealing other end relative with its input end.
Comprise at housing on the basis of drive end end cap 71 and anti-drive end cover 72, can make setting the position of two feedback elements.Particularly, as shown in Figure 1, first feedback element 21 is located at the inboard of drive end end cap 71 through first support 23, and second feedback element 22 is located at the inboard of non-drive end shield 72 through second support 24.
Further, along screw mandrel 3 position on axially, improve its commonality, can be provided with the first adjusting pad 23a on first support 23, can be provided with the second adjusting pad 24a on second support 24 for the ease of the adjustment feedback element; As shown in Figure 1, the quantity through the increase and decrease adjusting pad realizes the adjustment of feedback element along position on screw mandrel 3 axial locations.
As shown in Figure 1, said housing further comprises top cover 77, and this top cover 77 all is tightly connected with drive end end cap 71 and non-drive end shield 72.Top cover 77, drive end end cap 71, cover 75 thoroughly, the diapire of non-drive end shield 72, stifle 76 and housing is sealed in parts such as screw mandrel 3, nut plate 4 and feedback element in the cavity jointly, thereby prevents that extraneous rugged environment from impacting it.
In addition, need to prove that the present invention does not limit for the type of first feedback element 21 and second feedback element 22, any one element, as long as can realize the transmission of the spacing position signal of reel, just all should be within protection scope of the present invention.Certainly, particularly, said first feedback element 21 and second feedback element 22 can be travel switch.
Moreover; Need to prove how the reliable structure that focuses on providing a kind of warning device of the present invention is handled it after sending as for alerting signal; Such as being thereby that master control system control shuttle car with alerting signal sends to shuttle car stops to go; Thereby the control system control reel that still alerting signal is sent to drum motor stops operating or reverses, and perhaps still sends to said two devices simultaneously, and the present invention does not all limit this; Thereby any one is to the processing mode of alerting signal, all within protection scope of the present invention.
At last, more than a kind of cable reel limit alarm device provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. cable reel limit alarm device; Be used for sending alerting signal respectively when cable drains and is rolled up on reel (1), it is characterized in that, comprise housing; Be provided with in the said housing and be connected with said reel (1) and with the axis body of its rotation; Said axis body is connected with the triggering element that does reciprocating linear motion with its rotation, and when said cable drained and is rolled up, said triggering element moved to the first spacing point and the second spacing point respectively; Also be provided with corresponding in the said housing and receive said triggering element to trigger and send first feedback element (21) of first alerting signal with said first spacing some position, and corresponding with said second spacing some position and receive said triggering element triggering and send second feedback element (22) of second alerting signal;
Said axis body is screw mandrel (3), and said triggering element is and said screw mandrel (3) nut engaged dish (4); The said first spacing point and the said second spacing point lay respectively at the two ends of said screw mandrel (3), said first feedback element (21) be positioned at substantially the said first spacing point directly over, said second feedback element (22) be positioned at substantially the said second spacing point directly over;
The diapire of said housing is fixed with along the axially extended guide rail (5) of said screw mandrel (3), and the bottom of said nut plate (4) is provided with the breach (41) that cooperates with said guide rail (5);
The top of said nut plate (4) is removably connected with elastomeric element (42), and said nut plate (4) triggers said first feedback element (21) or said second feedback element (22) through said elastomeric element (42).
2. cable reel limit alarm device as claimed in claim 1; It is characterized in that; The mouth rotary connection of said reel (1) has chain (61), and the input end rotation of said axis body stretches out in said housing, and is fixed with the sprocket wheel (62) that cooperates with said chain (61).
3. cable reel limit alarm device as claimed in claim 2; It is characterized in that; Said housing comprises drive end end cap (71) and the non-drive end shield (72) of being located at two ends; The input end rotation of said axis body stretches out in said drive end end cap (71), and the other end that said axis body is relative with said input end is rotaryed connection with said non-drive end shield (72).
4. cable reel limit alarm device as claimed in claim 3 is characterized in that, is provided with clutch shaft bearing (73) between said drive end end cap (71) and the said axis body, is provided with second bearing (74) between said non-drive end shield (72) and the said axis body; The outside of said drive end end cap (71) is provided with passing through of the said clutch shaft bearing of butt (73) and covers (75), and the input end of said axis body rotates from the through hole of said lid (75) and stretches out; The outside of said non-drive end shield (72) is provided with the stifle (76) of said second bearing of butt (74), and said stifle (76) the said axis body of the sealing other end relative with its input end.
5. cable reel limit alarm device as claimed in claim 3; It is characterized in that; Said first feedback element (21) is located at the inboard of said drive end end cap (71) through first support (23), and said second feedback element (22) is located at the inboard of said non-drive end shield (72) through second support (24).
6. cable reel limit alarm device as claimed in claim 5; It is characterized in that; Said first support (23) is provided with regulates first adjusting pad (23a) of said first feedback element (71) along the axial location of said axis body, and said second support (24) is provided with regulates second adjusting pad (24a) of said second feedback element (22) along the axial location of said axis body.
7. cable reel limit alarm device as claimed in claim 3 is characterized in that, said housing further comprises all the top cover (77) that is tightly connected with said drive end end cap (71) and said non-drive end shield (72).
8. cable reel limit alarm device as claimed in claim 1 is characterized in that, said first feedback element (21) and said second feedback element (22) are travel switch.
Priority Applications (1)
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CN2010102492604A CN101898707B (en) | 2010-08-03 | 2010-08-03 | Cable reel limit alarm device |
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CN2010102492604A CN101898707B (en) | 2010-08-03 | 2010-08-03 | Cable reel limit alarm device |
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CN101898707A CN101898707A (en) | 2010-12-01 |
CN101898707B true CN101898707B (en) | 2012-06-13 |
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CN2010102492604A Active CN101898707B (en) | 2010-08-03 | 2010-08-03 | Cable reel limit alarm device |
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CN103592886B (en) * | 2013-11-05 | 2016-09-07 | 成都瑞克西自动化技术有限公司 | The most reverse tape handler |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081149A (en) * | 1976-05-28 | 1978-03-28 | Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft | Mechanism for forming transfer tails on wound yarn packages |
CN87206077U (en) * | 1987-04-03 | 1988-03-02 | 王艾生 | Hoisting limiter of hoister |
CN2398251Y (en) * | 1999-12-15 | 2000-09-27 | 欧北根 | Spacing control device for hoister |
CN201730642U (en) * | 2010-08-03 | 2011-02-02 | 三一重型装备有限公司 | Cable reel limit alarming device |
-
2010
- 2010-08-03 CN CN2010102492604A patent/CN101898707B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081149A (en) * | 1976-05-28 | 1978-03-28 | Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft | Mechanism for forming transfer tails on wound yarn packages |
CN87206077U (en) * | 1987-04-03 | 1988-03-02 | 王艾生 | Hoisting limiter of hoister |
CN2398251Y (en) * | 1999-12-15 | 2000-09-27 | 欧北根 | Spacing control device for hoister |
CN201730642U (en) * | 2010-08-03 | 2011-02-02 | 三一重型装备有限公司 | Cable reel limit alarming device |
Non-Patent Citations (1)
Title |
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郭金山.桥式起重机卷扬限位装置的改进.《中国设备管理》.1996,(第1期), * |
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Effective date of registration: 20170113 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, room 512, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |