CN105217475A - A kind of lift hook slant alarming device - Google Patents
A kind of lift hook slant alarming device Download PDFInfo
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- CN105217475A CN105217475A CN201410310201.1A CN201410310201A CN105217475A CN 105217475 A CN105217475 A CN 105217475A CN 201410310201 A CN201410310201 A CN 201410310201A CN 105217475 A CN105217475 A CN 105217475A
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- conductive
- insulation shell
- conductive ring
- alarming device
- lift hook
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Abstract
The invention discloses a kind of lift hook slant alarming device, it comprises: insulation shell, and it has the different annular arrangement sidewall of at least two radiuses, to form groove between these at least two annular arrangement sidewalls, in groove, is marked with conductive fluid; Insulative cap, it is covered on insulation shell, to form the space of opposing seal in insulation shell; At least one conductive ring, it is located at the cell wall top of groove, and conductive ring is connected with binding post; And this at least one conductive ring is set to: when described insulation shell tilts, described conductive fluid contacts with this at least one conductive ring; Bottom conductive annulus, it is located at the bottom of described groove, and bottom conductive annulus is provided with binding post; Contactless switch, it is connected with the binding post of at least one conductive ring and bottom conductive annulus, and contactless switch also has the signal wire (SW) stretching out insulation shell or insulative cap.Lift hook slant alarming device of the present invention can when suspension hook tilts timely teaching process personnel, to prevent " askew skewing is hung " of hoisting crane.
Description
Technical field
The present invention relates to a kind of warning device, particularly relate to a kind of elevator machinery warning device.
Background technology
Because hoisting crane is normally manually-operated, therefore, often make the visual fatigue of chaufeur because of long-time operation, or the quick travel of the large dolly of driving because of hoisting crane, or fail steady hook in time because of the suspension hook of hoisting crane, all can cause crane hanging component article " askew skewing is hung ".Especially when crane hanging component weight, fail timely vertical lifting, will make to be produced great horizontal component of force by the weight lifted, cause lifted weight thing rock and produce great potential safety hazard, jeopardize the safety of elevator machinery, operating personal and suspended object.In addition, because " askew skewing is hung " also can make the discontinuity of many steel ropes in lifting hook pulley group, part steel rope can concentrate winding, makes reel stuck and motor damage, even causes injury accident.
" askew skewing is hung " order in hoisting operation specification " ten do not hang " is forbidden.At the scene during operation, due to the restriction of factors, suspension hook also can not be accomplished completely vertical.But, suspension hook inclination is a fuzzyyer concept, each chaufeur is also not quite similar for the criterion tilted, therefore, criterion ununified in actual mechanical process, is just difficult to make operator before suspension hook tilts, realize to prevent or avoid the generation of this situation in time.Enterprise also wishes the early warning information tilted to obtain suspension hook by instrument means, thus effectively prevents the situation of " askew skewing is hung ", and then avoids the generation of breakdown of equipment and safety misadventure.
Summary of the invention
The object of the present invention is to provide a kind of lift hook slant alarming device, its can when suspension hook tilts timely early warning operating personal, there is the situation of " askew skewing is hung " to avoid hoisting crane.In addition, this lift hook slant alarming device can set unified inclination Alert Standard, thus efficiently solves the operating personal problem inconsistent to " askew skewing is hung " criterion.
To achieve these goals, the present invention proposes a kind of lift hook slant alarming device, it comprises:
Insulation shell, it has the different annular arrangement sidewall of at least two radiuses, to form groove between these at least two annular arrangement sidewalls, is marked with conductive fluid in groove;
Insulative cap, it is covered on insulation shell, to form the space of opposing seal in insulation shell;
At least one conductive ring, it is located at the cell wall top of groove, and conductive ring is connected with binding post; And this at least one conductive ring is set to: when insulation shell tilts, conductive fluid contacts with this at least one conductive ring;
Bottom conductive annulus, it is located at the bottom of groove, and this bottom conductive annulus is provided with binding post;
Contactless switch, it is connected with the binding post of at least one conductive ring and bottom conductive annulus, and contactless switch also has the signal wire (SW) stretching out insulation shell or insulative cap.
In the inventive solutions, insulative cap is covered on and insulation shell makes the inside of insulation shell be hedged off from the outer world not formed and conduct, and ensures that conductive fluid is in relative closure state.In this case, bottom conductive annulus is connected with contactless switch by the binding post arranged thereon, and when insulation shell tilts, the conductive fluid flow in the groove that formed between the different annular arrangement sidewall of two radiuses also can tilt thereupon, and contact with the conductive ring being arranged on cell wall top, again because conductive ring is also connected with contactless switch by the binding post arranged thereon, now, conductive ring and bottom conductive annulus electricity form conducting and form circuit loop, the electric signal of this circuit loop is passed to the warning device be connected with signal wire (SW) by the signal wire (SW) stretching out insulation shell or insulative cap.Send information warning by warning device, carry out the run-off the straight of teaching process personnel suspension hook with this or by run-off the straight.
Adopting conductive fluid in the inventive solutions, both make use of its flowing power, can contact with conductive ring in the change of insulation shell position, occurred level face when tilting; Make use of again its electric conductivity, can circuit loop be formed with conducting material when contacting and send electric signal.
It should be noted that, the inclination in the technical program then refers to the inclination exceeding certain angle.That is, hoisting crane has relative inclination tolerance when lifting by crane article, and the vertical lifting of hoisting crane does not refer to that absolute upright lifts by crane, and it refers to the Relative vertical lifting allowed under certain minute angle heeling condition.
Further, the above-mentioned conductive fluid in lift hook slant alarming device of the present invention is mercury.
As the metal existed with liquid state, mercury has flowing power and electric conductivity concurrently.Certainly, the conductive fluid in lift hook slant alarming device of the present invention can also adopt other conductive fluids, such as, and electrolyte solution.
Further, the above-mentioned at least one conductive ring in lift hook slant alarming device of the present invention and/or the material of bottom conductive annulus are corrosion-resistant steel.
Corrosion-resistant steel is the one of metal alloy, and it has electric conductivity.Different types of corrosion-resistant steel has different electric conductivities.Apparently, the conductive ring in lift hook slant alarming device of the present invention and/or bottom conductive annulus can also adopt the conductive material of other materials, such as, and copper and alloy thereof, graphite, quartz conductor or conductive rubber etc.
Further, in lift hook slant alarming device of the present invention, arrange several conductive rings, each conductive ring is set to respectively: when insulation shell tilts an angle, conductive fluid contacts with this conductive ring; The angle that the insulation shell that each conductive ring is corresponding tilts is different.
The corresponding angle of inclination of each conductive ring.When insulation shell inclined degree not yet reaches this angle of inclination, the conductive ring corresponding to this angle of inclination can not conduct with bottom conductive annulus and form circuit loop, and thus, warning device also can not receive electric signal and send information warning.
Further, above-mentioned conductive ring is set to two, and it is located at the relative cell wall top of two of groove respectively.
The reason two conductive rings being separately positioned on the top of two relative cell walls of groove is: the suspension hook of hoisting crane is when lifting by crane, electrical conduction current cognition inevitably shakes, if be arranged on by conductive ring relatively near the position of the bottom of cell wall, the conductive fluid rocked can be made to be easy to touch conductive ring and to form circuit loop, send off-square inclination information warning and mislead operating personal, thus making operating personal cause erroneous judgement for tilt condition.
Further, the insulation shell angle of inclination that above-mentioned two conductive rings are corresponding is respectively 10 ° and 12 °.
Arranging multiple conductive ring corresponding to different angles of inclination is to realize grading forewarning system, processes in time so that operating personal leaves the sufficient time tilt condition.Such as, when insulation shell angle of inclination is 10 °, conducting fluid contacts conductive ring, make itself and bottom conductive annulus forming circuit loop, at this moment, the warning device receiving electric signal can send alarm signal (such as, bright light or buzzing), to represent by run-off the straight; When insulation shell angle of inclination is 12 °, conducting fluid contacts conductive ring, makes itself and bottom conductive annulus forming circuit loop, at this moment, the warning device receiving electric signal then can send another alarm signal (such as, bright light+buzzing), to represent run-off the straight.
Further, in lift hook slant alarming device of the present invention, above-mentioned insulation shell also has discoid base, and this annular arrangement sidewall is erected on discoid base.
Further, above-mentioned discoid base is provided with mounting hole.
By mounting hole, lift hook slant alarming device can be installed on suspension hook.
Further, in lift hook slant alarming device of the present invention, be bolted between above-mentioned insulation shell and insulative cap, to ensure the tightness of insulation shell.
Further, in lift hook slant alarming device of the present invention, the signal wire (SW) of above-mentioned contactless switch is connected with signal lamp.
After the signal lamp be connected with the signal wire (SW) of contactless switch receives the electric signal coming from circuit loop with the form of bright light to send information warning.Apparently, the signal wire (SW) of contactless switch can also be connected with warning devices such as buzzer phones.
Lift hook slant alarming device of the present invention owing to have employed technique scheme, can when suspension hook tilts or be about to timely teaching process personnel, there is the situation of " askew skewing is hung " to prevent hoisting crane.
In addition, the suspension hook that lift hook slant alarming device of the present invention can be hoisting crane for different lifting requirements sets unified inclination Alert Standard, thus avoids operating personal to adopt different inclination criterion and cause the generation of " askew skewing is hung " accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of lift hook slant alarming device of the present invention under a kind of embodiment.
Fig. 2 is the semisectional view of the main parts size in the lift hook slant alarming device shown in Fig. 1.
Fig. 3 is the explosive view of the main parts size in the lift hook slant alarming device shown in Fig. 1.
Fig. 4 is the semisectional view of lift hook slant alarming device of the present invention under suspension hook is in a heeling condition.
Fig. 5 is the semisectional view of lift hook slant alarming device of the present invention under suspension hook is in another heeling condition.
Fig. 6 is the structural representation of insulation shell under a kind of embodiment in lift hook slant alarming device of the present invention.
Fig. 7 is the scheme of installation of lift hook slant alarming device of the present invention under suspension hook is in heeling condition.
Detailed description of the invention
To make lift hook slant alarming device of the present invention according to specific embodiment below and further illustrating, but specific embodiment and related description do not form the improper restriction for technical scheme of the present invention.
Fig. 1 shows the structure of lift hook slant alarming device of the present invention under a kind of embodiment.Fig. 2 and Fig. 3 then shows the structure of the main parts size in the lift hook slant alarming device shown in Fig. 1.
As shown in Figure 1, Figure 2 and Figure 3, this lift hook slant alarming device 1 comprises: insulation shell 11, insulative cap 12, the first conductive ring 13, second conductive ring 14, bottom conductive annulus 15, contactless switch 16, first binding post 18, second binding post 19, binding post 10 and conductive fluid.Insulation shell 11 has the different annular arrangement sidewall 111,112 of two radiuses, defines groove 113, be marked with conductive fluid (not shown in Fig. 1, Fig. 2 and Fig. 3) in groove 113 between the first annular arrangement sidewall 111 and the second annular arrangement sidewall 112; Insulative cap 12 is covered on insulation shell 11, and insulative cap 12 is fixedly connected with insulation shell 11 by bolt assembly 114, to form relatively airtight isolated space in insulation shell 11; First conductive ring 13 is arranged on the top of the inner side of annular arrangement sidewall 111, first conductive ring 13 is connected with binding post 18, second conductive ring 14 is arranged on the top in the outside of annular arrangement sidewall 112, that is, first conductive ring 13 and the second conductive ring 14 are separately positioned on the top of the relative cell wall of two of groove 113, and the radius of the first conductive ring 13 is greater than the radius of the second conductive ring 14; Bottom conductive annulus 15 is arranged at the bottom of groove 113, and bottom conductive annulus is provided with binding post 10.Second binding post 19 of the first binding post 18, second conductive ring 14 and the binding post 10 of bottom conductive annulus 15 of contactless switch 16 and the first conductive ring 13 are all set to be connected, contactless switch 16 also has the some signal wire (SW)s 161 stretching out insulative cap 12, signal wire (SW) 161 can be set to be connected with yellow signal light and red eye respectively, wherein, yellow signal light is lighted and is illustrated by run-off the straight, and red eye is lighted, and run-off the straight is described.
As shown in Figures 2 and 3, second conductive ring 14 is provided with recess 141, correspondingly, the second annulus sidewall 112 is provided with the groove 117 offered corresponding to recess 141, when being connected with contactless switch 16 to prevent the first binding post 18 and the second conductive ring 14 conducting.In addition, insulation shell 11 also has discoid base 115, two annular arrangement sidewalls 111,112 and is erected on discoid base 115, discoid base 115 is provided with mounting hole 116, lift hook slant alarming device can be arranged on suspension hook by mounting hole 116 and coupling assembling.
As shown in Figures 2 and 3, the edge b that the edge a that first conductive ring 13 and conductive fluid contact at first contacts with conductive fluid at first lower than the second conductive ring 14, therefore, along with insulation shell 11 produce tilt and angle of inclination is increasing, conductive fluid contacted with the first conductive ring 13 before this, then was contact with the second conductive ring 14.
Fig. 4 and Fig. 5 respectively illustrates the structure of lift hook slant alarming device of the present invention under suspension hook is in different heeling condition.
On the basis of Fig. 1 and Fig. 2, consult Fig. 4, be set to by first conductive ring 13: when the angle of inclination of insulation shell 11 is 10 °, conductive fluid 17 only contacts with the first conductive ring 13, thus makes bottom conductive annulus 15 and the first conductive ring 13 conduct and form circuit loop; Now, the yellow signal light receiving electric signal is lighted, with teaching process personnel by run-off the straight.
On the basis of Fig. 1 and Fig. 2, consult Fig. 5, be set to by second conductive ring 14: when 11 angles of inclination of insulation shell are 12 °, conductive fluid 17 also contacts with the second conductive ring 14, thus makes bottom conductive annulus 15 and the second conductive ring 14 conduct and form circuit loop; Now, the red eye receiving electric signal is lighted, with teaching process personnel run-off the straight.
In addition, above-mentioned insulation shell can adopt acrylic material.
In addition, above-mentioned conductive ring and/or bottom conductive annulus can adopt corrosion-resistant steel and alloy thereof, graphite, the conductive material such as quartz conductor or conductive rubber.
It should be noted that, in lift hook slant alarming device under above-mentioned embodiment, setting is when the angle of inclination of insulation shell is 10 °, conductive fluid 17 contacts with the first conductive ring 13, bottom conductive annulus 15 and the second conductive ring 14 is made to conduct and form circuit loop, and then light yellow signal light, and it can be used as suspension hook by the early warning information of run-off the straight.But the setting at this angle of inclination is not unique, operating personal according to different lifting demands, can change the setting at the angle of inclination to insulation shell.Such as, in order to ensure the vertical lifting of degree of precision higher building product as far as possible, then can the angle of inclination of insulation shell be set less, such as, 6 ° or 8 °.Similarly, the angle of inclination corresponding to insulation shell during conducting fluid contacts the second conductive ring also can lift demand to adjust according to reality.
At this, the distance between conductive ring and bottom conductive annulus and the angle of inclination of insulation shell determine the amount of the conductive fluid injected in groove.
Certainly, insulation shell can also be arranged three or more annular arrangement sidewalls, on the annular arrangement sidewall set up, correspondingly conductive ring is set simultaneously, and makes conductive ring when insulation shell tilts to a certain angle and after conducting fluid contacts, form circuit loop with bottom conductive annulus.
Fig. 6 shows the structure of insulation shell under a kind of embodiment in lift hook slant alarming device of the present invention.
As shown in Figure 2 and Figure 6, step 117 is offered on the top of the inner side of the first annular arrangement sidewall 111, step 118 is offered on the top in the outside of the second annulus sidewall 112, first conductive ring is located on step 117, and the second conductive ring is located on step 118, and with the horizontal surface at end face 119 place of insulation shell for benchmark, the edge b that the edge a that first conductive ring 13 and conductive fluid contact at first will contact with conductive fluid at first lower than the second conductive ring 14, that is, when insulation shell 11 start to tilt to angle of inclination become large time, after conductive fluid first comes in contact with the first conductive ring, come in contact with the second conductive ring again.
Fig. 7 shows the lift hook slant alarming device of the present invention structure be in an inclined state installed on suspension hook.
As shown in Figure 7, by being arranged on mounting hole on discoid base and lift hook slant alarming device 1 can be arranged on suspension hook 2 by coupling assembling, be connected to the signal wire (SW) 161 on contactless switch and the signal lamp 31 showing different colours, 32 connect, and send visual alarm information by bright light to operating personal.
In addition, lift hook slant alarming device of the present invention can also be connected with buzzer phone, to provide sense of hearing information warning to operating personal, also signal wire (SW) can be connected with buzzer phone and signal lamp, to provide the information warning of vision+sense of hearing to operating personal simultaneously.
In addition, the lift hook slant alarming device under present embodiment can adopt the such as conductive fluid such as mercury or electrolyte solution.
That enumerates it should be noted that above is only specific embodiments of the invention, obviously the invention is not restricted to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed by the invention or associates, protection scope of the present invention all should be belonged to.
Claims (10)
1. a lift hook slant alarming device, is characterized in that, comprising:
Insulation shell, it has the different annular arrangement sidewall of at least two radiuses, to form groove between these at least two annular arrangement sidewalls, is marked with conductive fluid in described groove;
Insulative cap, it is covered on described insulation shell, to form the space of opposing seal in described insulation shell;
At least one conductive ring, it is located at the cell wall top of described groove, and described conductive ring is connected with binding post; And this at least one conductive ring is set to: when described insulation shell tilts, described conductive fluid contacts with this at least one conductive ring;
Bottom conductive annulus, it is located at the bottom of described groove, and described bottom conductive annulus is provided with binding post;
Contactless switch, it is connected with the binding post of described at least one conductive ring and bottom conductive annulus, and described contactless switch also has the signal wire (SW) stretching out insulation shell or insulative cap.
2. lift hook slant alarming device as claimed in claim 1, it is characterized in that, described conductive fluid is mercury.
3. lift hook slant alarming device as claimed in claim 1, it is characterized in that, the material of described at least one conductive ring and/or bottom conductive annulus is corrosion-resistant steel.
4. lift hook slant alarming device as claimed in claim 1, it is characterized in that, described conductive ring is set to several, and each conductive ring is set to respectively: when described insulation shell tilts an angle, described conductive fluid contacts with this conductive ring; The angle that the insulation shell that described each conductive ring is corresponding tilts is different.
5. lift hook slant alarming device as claimed in claim 4, it is characterized in that, described conductive ring is set to two, and it is located at the relative cell wall top of two of described groove respectively.
6. lift hook slant alarming device as claimed in claim 5, it is characterized in that, the insulation shell angle of inclination that described two conductive rings are corresponding is respectively 10 ° and 12 °.
7. lift hook slant alarming device as claimed in claim 1, it is characterized in that, described insulation shell also has discoid base, and described annular arrangement sidewall is erected on discoid base.
8. lift hook slant alarming device as claimed in claim 7, it is characterized in that, described discoid base is provided with mounting hole.
9. lift hook slant alarming device as claimed in claim 1, is characterized in that, be bolted between described insulation shell and insulative cap.
10. lift hook slant alarming device as claimed in claim 1, it is characterized in that, the signal wire (SW) of described contactless switch is connected with signal lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310201.1A CN105217475A (en) | 2014-07-01 | 2014-07-01 | A kind of lift hook slant alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310201.1A CN105217475A (en) | 2014-07-01 | 2014-07-01 | A kind of lift hook slant alarming device |
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| Publication Number | Publication Date |
|---|---|
| CN105217475A true CN105217475A (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410310201.1A Pending CN105217475A (en) | 2014-07-01 | 2014-07-01 | A kind of lift hook slant alarming device |
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| CN (1) | CN105217475A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6725554B1 (en) * | 1999-08-13 | 2004-04-27 | Boris Gersak | Electronic spirit level for measurement of inclination-execution of electric resistors and conductors |
| CN2886506Y (en) * | 2006-03-23 | 2007-04-04 | 上海市嘉定区第二中学 | Electrolevel |
| CN201217609Y (en) * | 2008-05-19 | 2009-04-08 | 宝山钢铁股份有限公司 | Lift hook slant alarming device |
| CN101759102A (en) * | 2010-03-03 | 2010-06-30 | 徐州九鼎建设集团有限公司 | Inclination alarming device of tower crane |
-
2014
- 2014-07-01 CN CN201410310201.1A patent/CN105217475A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6725554B1 (en) * | 1999-08-13 | 2004-04-27 | Boris Gersak | Electronic spirit level for measurement of inclination-execution of electric resistors and conductors |
| CN2886506Y (en) * | 2006-03-23 | 2007-04-04 | 上海市嘉定区第二中学 | Electrolevel |
| CN201217609Y (en) * | 2008-05-19 | 2009-04-08 | 宝山钢铁股份有限公司 | Lift hook slant alarming device |
| CN101759102A (en) * | 2010-03-03 | 2010-06-30 | 徐州九鼎建设集团有限公司 | Inclination alarming device of tower crane |
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Application publication date: 20160106 |