CN203728435U - Alarming device for wear of sliding block and power receiving device for bridge type crane - Google Patents
Alarming device for wear of sliding block and power receiving device for bridge type crane Download PDFInfo
- Publication number
- CN203728435U CN203728435U CN201320744405.7U CN201320744405U CN203728435U CN 203728435 U CN203728435 U CN 203728435U CN 201320744405 U CN201320744405 U CN 201320744405U CN 203728435 U CN203728435 U CN 203728435U
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- China
- Prior art keywords
- slide block
- signal
- warning device
- slider wear
- wear warning
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000009413 insulation Methods 0.000 claims description 26
- 238000005299 abrasion Methods 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 17
- 239000004593 Epoxy Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract 7
- 230000004888 barrier function Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 230000008029 eradication Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 101100195396 Human cytomegalovirus (strain Merlin) RL11 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses an alarming device for the wear of a sliding block. The alarming device comprises a sliding block, a signal line, a signal triggering circuit and an alarm, wherein the sliding block is provided with one end to be worn; the signal line is partially buried in the sliding block in an insulated manner, the end part of the signal line buried in the sliding block is an insulated sealing head, a wear-extent distance is formed between the insulated sealing head and the end to be worn of the sliding block; the insulated sealing head is wearable, and the signal line in the insulated sealing head is exposed after the insulated sealing head is worn; the signal triggering circuit is electrically connected with the signal line and is internally provided with a relay; the alarm is serially connected into the signal triggering circuit. The utility model also discloses a power receiving device for a bridge type crane. The power receiving device comprises a sliding contact line and the alarming device for the wear of the sliding block. When the insulated sealing head is worn to expose the signal line in the insulated sealing head, the signal line is conducted with the sliding contact line so as to conduct the signal triggering circuit.
Description
Technical field
The utility model relates to a kind of warning device, relates in particular to a kind of warning device for crane in bridge type.
Background technology
It is three-phase four-wire system that crane in bridge type moves the power supply current-collecting device using, as shown in Figure 1, power supply current-collecting device comprises trolley 1, current colector 2, collector shoe 3 and slide block 4, wherein slide block 4 is arranged in collector shoe 3, three current colectors 2 are responsible for respectively the conveying of three phase mains, and each current colector 2 configuration is provided with two collector shoes 3 and slide block 4, therefore, three current colectors configure altogether six slide blocks are installed, and only show and be arranged on a slide block 4 in collector shoe 3 in Fig. 1.
The power supply of crane in bridge type is from the trolley being installed on support rail beam, trolley transmits power supply by the slide block being arranged on crane in bridge type collector shoe, slide block is along with bridge crane moves back and forth in process, and the contact portion of slide block and trolley will inevitably produce wearing and tearing.In the time that slider wear exceedes certain abrasion loss, slide block base will rub with trolley, will damage in the course of time charged trolley, even can cause the generation of safety misadventure when serious.Controlling in time the abrasion loss of slide block and change in time the slide block that reaches the abrasion loss limit, is the important step that maintains crane in bridge type smooth operation.But, because the inspection of slider wear amount must just can complete at the supply disconnecton of crane in bridge type and in current colector and the completely knocked down situation of collector shoe, every crane in bridge type has eight slide blocks at least, therefore, check required expend chronic of slider wear amount at every turn, thereby affected the normal operation of crane in bridge type.
Slide block used after a period of time, the contact part branch of itself and trolley produces wearing and tearing, as shown in Figure 2, after being installed on the abrasion loss of the slide block 4 in collector shoe to exceed a certain amount of a, continue to use, just there will be the phenomenon of collector shoe, current colector friction trolley, thereby cause short trouble, serious in the situation that, even also can produce arcing phenomenon.The inspection of slider wear situation is very important for the safe operation of crane in bridge type, but the overall process that checks one by one the abrasion loss of slide block needs two hours above time, length consuming time, overhaul efficiency is low, has greatly affected the normal progress of work of crane in bridge type.
In addition, if take periodic replacement for slide block, because its abrasion loss is difficult to control, trolley itself will cause slide block accelerated wear test out of order on the one hand, and so also not to the replacement cycle, slider wear amount has just exceeded standard, and needs to change in time slide block; On the other hand, slide block actual wear is slower than expection wearing and tearing, even like this to the replacement cycle, slider wear amount also has surplus, now changes slide block and will produce unnecessary material waste.
Utility model content
One of the purpose of this utility model is to provide a kind of slider wear warning device, setting under the prerequisite of abrasion loss, if slider wear the abrasion loss set can trigger alarm, thereby the timely replacing of the slide block of being convenient to wear and tear, and then ensure the safety of trolley and power supply power receiving equipment, stablize the running state of crane in bridge type, saved plant maintenance time and cost.
Another object of the present utility model is to provide a kind of power supply current-collecting device for crane in bridge type, and it can ensure the safe operation of crane in bridge type effectively, improves the work efficiency of crane in bridge type.
To achieve these goals, a kind of slider wear warning device that the utility model proposes, it comprises a slide block, and this slide block has the one end that will be worn, and in addition, this slider wear warning device also comprises:
Signal wire (SW), its insulation ground part is embedded in described slide block, this end that is embedded in the signal wire (SW) in slide block is insulation end socket, one end that this insulation end socket will be worn apart from slide block has an abrasion loss distance, this insulation end socket is set to be worn, and after wearing and tearing, exposes the signal conductor in insulation end socket;
Signal triggers loop, and it is electrically connected with signal wire (SW), and described signal triggers in loop and is provided with relay;
Annunciator, it is serially connected with described signal and triggers in loop.
The contact portion of slide block and trolley trolley move back and forth process in can produce inevitably wearing and tearing.In the time that slider wear amount exceedes to a certain degree, just may affect the normal work of charged trolley and current colector, even can cause serious safety misadventure.For can and alarm wearing and tearing and need the slide block of changing, in slide block part buried be provided with end, one end have insulation end socket signal wire (SW), the abrasion loss of setting slide block is abrasion loss a, and distance between the insulation end socket of signal wire (SW) and slide block and one end of trolley contact wear is set to abrasion loss a, after insulation end socket wearing and tearing due to signal wire (SW), will expose signal conductor, therefore, when the abrasion loss a of slide block and the insulation end socket of signal wire (SW) are back and forth back and forth after in service being worn of trolley, signal conductor in signal wire (SW) will contact conducting with trolley, make signal trigger loop repeat circuit and start alarm work, thereby remind staff's slide block to change, to ensure the normal operation of equipment, avoid the generation of safety misadventure.
Wherein, the abrasion loss a of above-mentioned slide block is exactly the limiting threshold value of slider wear, and in the time that wearing and tearing do not reach this limiting threshold value, slide block need not be changed, and in the time that wearing and tearing exceed this limiting threshold value, slide block need to be changed.Those skilled in the art should know, and the abrasion loss a of slide block can set or adjust according to practical condition.
Further, in slider wear warning device described in the utility model, described in be embedded between signal wire (SW) in slide block and slide block and there is tack coat, to improve the degree of adhesion between signal wire (SW) and slide block.
Further, in slider wear warning device described in the utility model, described tack coat is epoxy bond layer.
For guard signal triggers loop, in slider wear warning device described in the utility model, in triggering loop, signal is connected with circuit breaker; like this; when signal triggers while there is situation that electric current increases in loop, circuit breaker can power-off, triggers loop carry out actv. protection for signal.
In a kind of technical scheme, the annunciator in slider wear warning device described in the utility model can be voice guard, light crossing-signal at least one of them.
Further, the light crossing-signal in slider wear warning device described in the utility model is indicator lamp.In this technical scheme, in the time that staff observes indicator lamp and changes, just illustrate that slider wear oversteps the extreme limit, now need to change slide block, to prevent the contact short circuit of trolley and collector shoe, current colector.
Further, the signal wire (SW) in slider wear warning device described in the utility model also overlaps and has sleeve pipe, one end of this sleeve pipe to be located in described slide block outward, and another part is exposed to outside slide block, to play the effect of guard signal line.
Correspondingly, based on another object of the present utility model, the utility model has also proposed a kind of power supply current-collecting device for crane in bridge type, this power supply current-collecting device comprises trolley, and in addition, this current-collecting device also comprises above-mentioned any one slider wear warning device, wherein, the insulation end socket of signal wire (SW) exposes the signal conductor in insulation end socket during in wearing and tearing, signal conductor and trolley conducting, so that signal triggers loop conducting.
Slider wear warning device described in the utility model, owing to being provided with signal wire (SW) in the technical scheme adopting, signal triggers loop and annunciator, its wearing and tearing that can report to the police in time slide block have exceeded the abrasion loss of setting, thereby remind staff to carry out the time for slide block, ensure on the one hand the normal working of each associated electrical appliance equipment, reduced on the other hand dimension inspection time and maintenance Material Cost.
Compared with power supply current-collecting device for the crane in bridge type described in the utility model power supply current-collecting device used with existing crane in bridge type, owing to having adopted above-mentioned slider wear warning device, therefore it has above-mentioned beneficial effect and advantage equally, the normal operation of power supply current-collecting device has obtained guarantee, thereby promote the serviceability of crane in bridge type, improved the work efficiency of crane in bridge type.
Brief description of the drawings
Fig. 1 is the structural representation of the existing power supply current-collecting device for crane in bridge type operation.
Fig. 2 is the existing structural representation that is installed on the slide block in collector shoe.
Fig. 3 is the structural representation of the power supply current-collecting device for crane in bridge type described in the utility model.
Fig. 4 is signal wire (SW) in the slider wear warning device described in the utility model structural representation under a kind of embodiment.
Fig. 5 is the part sectional view of the signal wire (SW) shown in Fig. 4.
Fig. 6 is that the signal in slider wear warning device described in the utility model triggers the structural representation of loop under a kind of embodiment.
Fig. 7 is signal lamp loop in the slider wear warning device described in the utility model structural representation under a kind of embodiment.
Fig. 8 to Figure 11 is the installation process schematic diagram of slider wear warning device described in the utility model under a kind of embodiment.
Detailed description of the invention
Make further explanation and explanation below in conjunction with Figure of description and specific embodiment to slider wear warning device described in the utility model with for the power supply current-collecting device of crane in bridge type.
Fig. 3 shows the structure of the power supply current-collecting device for crane in bridge type described in the utility model under a kind of embodiment, and wherein part parts are not shown in Figure 3.
As shown in Figure 3, a kind of power supply current-collecting device for crane in bridge type, it comprises trolley 20 and slider wear warning device, the buried insulating signal line that is provided with of the interior part of slide block 11 in slider wear warning device, one end of signal wire (SW) is provided with insulation end socket, in the time that insulation end socket exposes the signal conductor insulating in end socket after wearing and tearing, signal conductor and trolley 20 conductings, so that signal triggers loop conducting.
Fig. 4 shows signal wire (SW) in the slider wear warning device described in the utility model structure under a kind of embodiment, and Fig. 5 shows the semi-sictional view structure of this signal wire (SW).
As shown in Figure 4 and Figure 5, slider wear warning device comprises slide block 11 and two signal wire (SW)s 12, one end on slide block 11 Widths contacts with trolley, the other end is installed in collector shoe, be installation end B, the one end wherein contacting with trolley is the one end that will be worn and torn by trolley, is wear tip A; Two signal wire (SW)s 12 are partly embedded in slide block 11, partly expose outside slide block 11, and its length direction along slide block is embedded in slide block abreast; Signal wire (SW) 12 comprises signal conductor 13 and insulating barrier 14, this insulating barrier 14 is wrapped up in and is located at outside signal conductor 13 along the axial direction of signal conductor, also be provided with insulation end socket 15 in the end that is embedded in the signal wire (SW) 12 in slide block 11, the signal wire (SW) 12 that makes to be like this embedded in slide block insulate completely with slide block 11.Between this insulation end socket 15 and the wear tip A of slide block 11, there is the distance of abrasion loss a, in the time that the wearing and tearing of slide block 11 exceed abrasion loss a, trolley just starts the insulation end socket 15 that frictional loss can wear and tear, and after insulation end socket 15 is worn, will expose the signal conductor in it.
As shown in Figure 4, at two outer sleeve pipes 16 that are all arranged with of signal wire (SW) 12, the part of sleeve pipe 16 is located in slide block 11, and another part is exposed to outside slide block 11.
Described herein, those skilled in the art can set or adjust the abrasion loss a in embodiment according to practical condition.Meanwhile, those skilled in the art can also increase and decrease the signal wire (SW) quantity being embedded in slide block in embodiment according to practical condition.
The signal that Fig. 6 shows in slider wear warning device described in the utility model triggers the structure of loop under a kind of embodiment.
Each current colector is provided with two slide blocks, and three current colectors are provided with six slide blocks altogether.As shown in Figure 6, slider wear warning device comprises that signal triggers loop, and it is electrically connected with the signal wire (SW) 12 of six slide blocks 11, triggers in loop and is provided with successively six relay K 1～K6 corresponding to each slide block at signal; Annunciator is serially connected with signal and triggers in loop.After insulation end socket is worn, expose after signal conductor, signal wire (SW) contacts conducting with trolley, thereby makes signal trigger loop conducting, relay K 1～K6 is triggered and start annunciator, oversteps the extreme limit to warn staff's slider wear, need to change.
As shown in Figure 6; trigger in loop at this signal; each slide block 11 is all provided with accordingly a connection sliding block and signal triggers the Miniature plug 17 in loop; so that extracting fast and inserting in the time checking or change slide block; simultaneously; also be connected with circuit breaker Q F1～QF6 in turn corresponding to each slide block 11, carry out power-off protection for signal being triggered to loop in the time occurring that electric current increases.
Can be set to voice guard, light crossing-signal by annunciator according to different actual needs, or both combinations.In detailed description of the invention, the light crossing-signal in slider wear warning device described in the utility model can adopt indicator lamp.
Fig. 7 shows signal lamp loop in the slider wear warning device described in the utility model structure under a kind of embodiment.
As shown in Figure 7, each current colector is provided with two slide blocks, three current colectors are provided with six slide blocks altogether, six slide blocks corresponding six cover indicator lamps respectively, every cover indicator lamp comprises two indicator lamps, and one of them RL1～RL6 of every cover indicator lamp is arranged in cage, so that the plant maintenance personnel on ground observe, another indicator lamp RL11～RL16 is arranged in operator's compartment 10, to facilitate driver behavior personnel to observe.Due to the six cover indicator lamps different slide block of corresponding demonstration respectively, therefore, in the time that wherein a set of indicator lamp lights, just illustrate that the wearing and tearing of the corresponding slide block of indicator lamp have exceeded abrasion loss a, need to change in time.For the convenient voltage condition of confirming pilot lamp loop normally whether, normal bright indicator lamp WL1 can also be set in loop, WL11.
In addition, can apply epoxy resin penetrating between the signal wire (SW) of slide block and slide block, to increase degree of adhesion between signal wire (SW) and slide block.
In addition, the signal conductor in signal wire (SW) can adopt netting twine single-core line, and insulating barrier wherein can adopt crosslinked polyethylene.It is the indicator lamp of 220V that signal lamp can adopt voltage.
It should be noted that, pilot lamp loop in the above-described embodiment is not merely confined to the warning of six slide blocks, it goes for the warning of some slide blocks, in the time that slide block quantity changes, indicator lamp in this pilot lamp loop, the associated electrical components and parts such as relay or circuit breaker need to increase and decrease along with the quantity of slide block.
Fig. 8 to Figure 11 shows the installation process of slider wear warning device described in the utility model under a kind of embodiment.
As shown in Figure 8, along length (L) direction of slide block 11 and get out the mounting hole 18 of two insulating signal lines apart from the 1/4L place on length direction both sides, the abrasion loss a that distance control between the top of mounting hole 18 and slider wear end A is slide block, gets counterbore 19 at the aperture place of mounting hole 18.
As shown in Figure 9, along axial direction, on two eradication edge signal wire (SW)s 12, apply after epoxy resin, be inserted into lentamente in the mounting hole 18 of slide block 11.Wherein, the insulation end socket of signal wire (SW) can be by utilizing flame to seal signal conductor after insulating barrier pull-up one segment distance of signal wire (SW), and the signal wire (SW) and the slide block that make to be embedded in slide block insulate completely.
As shown in figure 10, sleeve pipe 16 is sheathed on respectively outside two eradication edge signal wire (SW)s, and a part for sleeve pipe 16 is located in the counterbore 19 of slide block 11, another part is exposed to outside slide block 11.After epoxy resin solidifies, adopt multi-meter to measure between slide block and insulating signal line and whether insulate well.
As shown in figure 11, wiring together after two eradication edge signal wire (SW)s 12 are closed up, the insulating signal line 12 after closing up passes subsequently together with power lead.
Simple in structure, the easy manufacture of slider wear warning device described in the utility model, cost are low and easy for installation, it can give the alarm in the time that slider wear oversteps the extreme limit, to notify staff to change in time slide block, so both ensure the safe handling of equipment, saved again the removal time of dimension inspection.
The safe operation that has effectively ensured crane in bridge type for the power supply current-collecting device of crane in bridge type described in the utility model, has improved the work efficiency of overhead traveling crane device.
It should be noted that above enumerate only for specific embodiment of the utility model, obviously the utility model is not limited to above embodiment, has many similar variations thereupon.If all distortion that those skilled in the art directly derives or associates from the disclosed content of the utility model, all should belong to protection domain of the present utility model.
Claims (8)
1. a slider wear warning device, it comprises a slide block, and this slide block has the one end that will be worn, and it is characterized in that, and this slider wear warning device also comprises:
Signal wire (SW), its insulation ground part is embedded in described slide block, this end that is embedded in the signal wire (SW) in slide block is insulation end socket, one end that this insulation end socket will be worn apart from slide block has an abrasion loss distance, this insulation end socket is set to be worn, and after wearing and tearing, exposes the signal conductor in insulation end socket;
Signal triggers loop, and it is electrically connected with signal wire (SW), and described signal triggers in loop and is provided with relay;
Annunciator, it is serially connected with described signal and triggers in loop.
2. slider wear warning device as claimed in claim 1, is characterized in that, described in be embedded between signal wire (SW) in slide block and slide block and there is tack coat.
3. slider wear warning device as claimed in claim 2, is characterized in that, described tack coat is epoxy bond layer.
4. slider wear warning device as claimed in claim 1, is characterized in that, described signal triggers in loop and is connected with circuit breaker.
5. slider wear warning device as claimed in claim 1, is characterized in that, described annunciator be voice guard, light crossing-signal at least one of them.
6. slider wear warning device as claimed in claim 5, is characterized in that, described light crossing-signal is indicator lamp.
7. slider wear warning device as claimed in claim 1, is characterized in that, described signal wire (SW) also overlaps and has sleeve pipe outward, and one end of this sleeve pipe is located in described slide block, and another part is exposed to outside slide block.
8. the power supply current-collecting device for crane in bridge type, this power supply current-collecting device comprises trolley, it is characterized in that, this current-collecting device also comprises the slider wear warning device as described in any one in claim 1-7, wherein said insulation end socket exposes the signal conductor in insulation end socket during in wearing and tearing, signal conductor and described trolley conducting, so that signal triggers loop conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744405.7U CN203728435U (en) | 2013-11-21 | 2013-11-21 | Alarming device for wear of sliding block and power receiving device for bridge type crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744405.7U CN203728435U (en) | 2013-11-21 | 2013-11-21 | Alarming device for wear of sliding block and power receiving device for bridge type crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728435U true CN203728435U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744405.7U Expired - Lifetime CN203728435U (en) | 2013-11-21 | 2013-11-21 | Alarming device for wear of sliding block and power receiving device for bridge type crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203728435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917659A (en) * | 2017-12-19 | 2018-04-17 | 浙江悦和科技有限公司 | Object space change monitoring device based on test bar |
| CN110950243A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Collector wear monitoring device |
-
2013
- 2013-11-21 CN CN201320744405.7U patent/CN203728435U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917659A (en) * | 2017-12-19 | 2018-04-17 | 浙江悦和科技有限公司 | Object space change monitoring device based on test bar |
| CN107917659B (en) * | 2017-12-19 | 2024-06-14 | 浙江悦和科技有限公司 | Object position change monitoring device based on detection rod |
| CN110950243A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Collector wear monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |