CN209023674U - A kind of scratch board machine chain chain breakage protection device - Google Patents
A kind of scratch board machine chain chain breakage protection device Download PDFInfo
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- CN209023674U CN209023674U CN201821827777.5U CN201821827777U CN209023674U CN 209023674 U CN209023674 U CN 209023674U CN 201821827777 U CN201821827777 U CN 201821827777U CN 209023674 U CN209023674 U CN 209023674U
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Abstract
The utility model provides a kind of scratch board machine chain chain breakage protection device, including power traction mechanism and chain rupture protection mechanism；Wherein, power traction mechanism includes shell, partition, drive sprocket, it driven sprocket and is engaged in and drive sprocket and is engaged in the chain of driven sprocket, drive sprocket and driven sprocket are rotatablely installed in shell, the circumferential direction of chain is installed with wing carrier bar at equal intervals, the opening in alignment with wing carrier bar is offered on shell, partition is located at the lower section of opening, chain rupture protection mechanism includes the insulation board for being fixedly arranged on opening, be installed on insulation board close to switch, controller and combined aural and visual alarm, sensitive surface close to switch is directed at wing carrier bar, controller includes the control module for being connected in close to the processing module of switch and shutting down for controlling drive sprocket, the predetermined time is preset in processing module, control module is connected in combined aural and visual alarm.Using scratch board machine chain chain breakage protection device, it can be achieved that protection when to scrapper conveyor chain rupture, avoids damage to scrapper conveyor.
Description
Technical field
The utility model relates to chain chain rupture protection field more particularly to a kind of scratch board machine chain chain breakage protection devices.
Background technique
It is higher and higher to the security requirement of equipment currently, in feed, storage, grain and oil etc. industry, wherein scrapper conveyor
Conveyor chain fracture (hereinafter referred to as " chain rupture ") after, processing can destroy equipment not in time, or even cause safety accident, therefore right
Chain rupture protection demand urgent.
The operation schematic diagram of scrapper conveyor is as shown in Figure 1, according to the design principle of chain, chain at power traction end position
Tension is maximum, is the position that chain rupture is most likely to occur, chain rupture schematic diagram in power traction end is as shown in Figure 2.
When chain rupture occurs, 11 is substantially out of service at chain rupture, and 12 under the action of tractive force at chain rupture, can accumulate forward,
Chain rupture transmission plate 13 is struck, this movement is transmitted to the outside of device by chain rupture lever 14, trigger sensor, and sensor is by signal
Control centre is fed back, realizes the safeguard procedures such as alarm or shutdown.
How chain rupture is transmitted to sensor, needs to realize by mechanical structure, mostly use currently on the market
Following two mode:
1. cover board 15 is jacked up, cover board 15 and sensor are separated as shown in Fig. 2, chain rupture lever 14 is driven, triggering sensing
Device；
2. being separated after rotation with sensor, trigger sensor as shown in figure 3, chain rupture movement is transmitted to chain rupture lever 14.
But to meet the needs of technology arrangement in industry, scrapper conveyor need to often match multiple discharge ports, in order to low-residual,
Cross contamination is prevented, power traction end can configure partition 16, as shown in Figure 4 and Figure 5；The partition 16 configuration is protected with existing chain rupture
Mechanism is protected, spatially there is interference, can not coexist.Therefore, it is necessary to design the device of a kind of compatible partition and chain rupture function, solution
Certainly above-mentioned technical problem.
Utility model content
In view of the foregoing, the utility model provides a kind of scratch board machine chain chain breakage protection device, is protected by chain rupture
Mechanism realizes whether chain rupture detects to chain, while there is no interference spatially between chain rupture protection mechanism and partition.
To achieve the above object, the utility model discloses a kind of scratch board machine chain chain breakage protection devices, comprising:
Power traction mechanism, including shell, partition, drive sprocket, driven sprocket and be engaged in the drive sprocket and
It is engaged in the chain of the driven sprocket, the drive sprocket and the driven sprocket are rotatablely installed in the shell, institute
The circumferential direction for stating chain is installed with wing carrier bar at equal intervals, offers the opening in alignment with the wing carrier bar on the shell, it is described every
Plate is located at the lower section of the opening and is installed on the inner wall of the shell；
Chain rupture protection mechanism, is installed on the aperture position, the chain rupture protection mechanism include insulation board, close to switch,
Controller and combined aural and visual alarm, the insulation board are fixedly arranged on the opening, and the close switch is installed on described by bracket
On insulation board, for the sensitive surface for approaching switch in alignment with the wing carrier bar, the controller includes being connected in described approach to open
The processing module of pass and the control module shut down for controlling the drive sprocket are preset with pre- timing in the processing module
Between, the control module is connected in the combined aural and visual alarm, and the combined aural and visual alarm is installed on the shell.
The utility model has the beneficial effects that:
1. realizing whether chain rupture detects to chain by laying chain rupture protection mechanism；During chain stable operation,
Wing carrier bar on chain can be periodically by the sensitive surface close to switch, can be to controller close to switch when passing through each time
In processing module issue electric signal (electric signal is interval and periodically, cycle time T), be preset in processing module pre-
Fix time t (t >=T), and after being more than predetermined time t, processing module does not receive electric signal or receives electric signal always, then passes through control
Staff is reminded in control module control combined aural and visual alarm starting in device processed in time, while controlling drive sprocket shutdown, realizes
Stoppage protection avoids damage to scrapper conveyor.
, can be to avoid in the prior art 2. by the way that chain rupture protection mechanism is installed on the aperture position above partition, partition
Spatially there is technical issues that with chain rupture protection mechanism；And when scrapper conveyor configures multiple outlets, pass through installation
Partition can reduce residual, prevent cross contamination.
3. it will be installed on insulation board close to switch by the way that insulation board is fixedly arranged on opening, it can be to avoid (metal) shell
Body incudes wing carrier bar to the sensitive surface close to switch and generates interference, causes to approach switch accidentally sending electric signal, ensure that chain rupture is protected
Protect the accuracy and reliability of mechanism work.
A kind of scratch board machine chain chain breakage protection device of the utility model further improvement lies in that, the close institute of the shell
The one end for stating drive sprocket offers the opening.In scrapper conveyor actual moving process, position position of the chain by maximum tension
It is also the place that chain is easiest to be broken in the position close to drive sprocket, at this position, by being opened up out in this position
Mouthful, it is detected using chain rupture protection mechanism to whether the chain in alignment with aperture position is broken, realizes fracture protection.
A kind of further improvement of scratch board machine chain chain breakage protection device of the utility model is that the shell includes side
Plate, the drive sprocket and the driven sprocket pass through shaft rotational installation on the side plate respectively, open on the side plate
Equipped with the opening.
A kind of scratch board machine chain chain breakage protection device of the utility model further improvement lies in that, the sensitive surface and described
Vertical range between wing carrier bar is 15mm-70mm.The distance of reaction of 15mm-70mm is in the prior art close to the routine of switch
Detecting distance avoids increasing the purchase cost close to switch because detecting distance is excessive.
A kind of scratch board machine chain chain breakage protection device of the utility model further improvement lies in that, on the shell be spaced apart
Equipped with multiple openings, each aperture position is equipped with a chain rupture protection mechanism.By distinguishing in different location
Chain rupture protection mechanism is laid, realizes the accurate judgement to chain chain rupture position.
A kind of scratch board machine chain chain breakage protection device of the utility model further improvement lies in that, it is described close to switch type
Number be Fi25-W40-OP6L-Q12 or WDA3V34C.
A kind of scratch board machine chain chain breakage protection device of the utility model further improvement lies in that, the insulation board be glass
Plate.
Detailed description of the invention
Fig. 1 is the operation schematic diagram of scrapper conveyor.
Fig. 2 is scrapper conveyor power traction end chain rupture structural schematic diagram.
Fig. 3 is the structural schematic diagram of scrapper conveyor chain rupture protection mechanism.
Fig. 4 is the scheme of installation of partition in scrapper conveyor.
Fig. 5 is the scheme of installation of partition in scrapper conveyor.
Fig. 6 is a kind of structural schematic diagram of scratch board machine chain chain breakage protection device of the utility model.
Fig. 7 is the structural schematic diagram after a kind of scratch board machine chain chain breakage protection device removal side plate of the utility model.
Fig. 8 is the front schematic view of Fig. 7.
Fig. 9 is the right side schematic view of Fig. 7.
Specific embodiment
For the benefit of to the understanding of the utility model, it is illustrated with reference to the accompanying drawings and embodiments.
Refering to Fig. 6 to Fig. 9 it is found that the utility model discloses a kind of scratch board machine chain chain breakage protection device, including power
Traction mechanism and chain rupture protection mechanism 4；Wherein, power traction mechanism include shell 2, partition 5, drive sprocket 6, driven sprocket with
And be engaged in drive sprocket 6 and be engaged in the chain 3 of driven sprocket, drive sprocket 6 and driven sprocket are rotatablely installed in shell 2
Interior, the circumferential direction of chain 3 is installed with wing carrier bar 31 at equal intervals, offers the opening in alignment with wing carrier bar 31 on shell 2, and 5, partition
In opening lower section and be installed on the inner wall of shell 2, chain rupture protection mechanism 4 is installed on aperture position, is broken protection mechanism packet
It is fixed to include insulation board 41, close switch 42, controller (not shown) and combined aural and visual alarm (not shown), insulation board 31
In opening, it is installed on insulation board 41 close to switch 42 by bracket 43, the sensitive surface of close switch 42 is in alignment with wing carrier bar
31, controller includes the control module for being connected in close to the processing module of switch 42 and shutting down for controlling drive sprocket 6, place
It is preset with the predetermined time in reason module, control module is connected in combined aural and visual alarm, and combined aural and visual alarm is installed on shell 2.This reality
It applies in example, (1) to chain 3, whether chain rupture is detected by chain rupture protection machine；Specifically, during 3 stable operation of chain, chain
Wing carrier bar 31 on item 3 can be periodically by the sensitive surface close to switch 42, can be to control close to switch 42 when passing through every time
Processing module in device issues electric signal (periodic electric signal, cycle time T), is preset with predetermined time t (t in processing module
>=T), after being more than predetermined time t, processing module does not receive electric signal or receives electric signal always, then the control in controller
Module controls combined aural and visual alarm and starts sound-light alarm, while control module control drive sprocket 6 is shut down (specifically, control module
It is electrically connected to the coaxially connected driving motor in drive sprocket 6), it realizes stoppage protection, avoids damage to scrapper conveyor；(2) pass through by
Partition 5 is arranged below opening, can spatially have interference to avoid partition 5 in the prior art and chain rupture protection mechanism 4
Problem；And when scrapper conveyor configures multiple outlets, by installing partition 5, residue can be reduced, prevent to intersect dirt
Dye；It (3), can be to avoid (gold by the way that insulation board 41 is fixedly arranged on opening and will be installed on insulation board 41 close to switch 42
Belonging to) shell 2 or other metal components generate interference to incuding wing carrier bar 31 close to switch 42, cause to approach switch 42 that accidentally sending is electric
Signal ensure that the accuracy that chain rupture protection mechanism 4 works, then guarantee only sound-light alarm and stoppage protection in chain rupture；(4)
Insulation board 41 is glass plate or transparent acrylic.
Further, one end of the close drive sprocket 6 of shell 2 offers opening.In scrapper conveyor actual moving process, lean on
The tension that the chain 3 at nearly 6 position of drive sprocket is subject to is maximum, is easiest to be broken, by that will be opened in close to driving
On the shell 2 of 6 one end of sprocket wheel, it may be implemented whether to be broken this position chain 3 and detect, realize fracture protection.
Further, shell 2 includes side plate 21, and drive sprocket 6 and driven sprocket pass through a shaft (including first respectively
Shaft and the second shaft) it is rotatablely installed on side plate 21, opening is offered on side plate 21.Specifically, drive sprocket 6 is coaxially connected
There is first rotating shaft, first rotating shaft is rotatablely installed by first bearing seat on side plate 21, and driven sprocket is coaxially connected with second turn
Axis, the second shaft are rotatablely installed by second bearing seat on side plate 21.
Further, the vertical range between sensitive surface and wing carrier bar 31 is 15mm-70mm.In the utility model, approach
The model Fi25-W40-OP6L-Q12 or WDA3V34C of switch 42.
Further, it is spaced apart on shell 2 and is equipped with multiple openings, each aperture position is equipped with a chain rupture protection mechanism 4.
In the present embodiment, by laying multiple chain rupture protection mechanisms 4 on shell 2,3 chain rupture position of chain is accurately sentenced in realization
It is fixed, convenient for promptly and accurately repairing.Specifically, multiple openings are laid along the circumferential direction of chain 3.
In the utility model, shell 2 further includes the cover board 22 for being connected to the side plate 21, offers opening on cover board 22；
Can realize whether chain rupture detects to chain 3 by the way that chain rupture protection mechanism 4 to be installed on cover board 22.
A kind of beneficial effect of scratch board machine chain chain breakage protection device of the utility model includes:
1. realize whether chain rupture detects to chain, during scrapper conveyor stable operation, after being more than predetermined time t,
Processing module does not receive electric signal or receives electric signal always, determines that chain cleavage occurs for chain, utilizes the control in controller
Module control combined aural and visual alarm sound-light alarm controls drive sprocket shutdown simultaneously, realizes stoppage protection, avoids damage to scrapper conveyor.
2. can solve in the prior art, partition and chain rupture protection mechanism spatially there is technical issues that, together
When by installation partition, can reduce residue and prevents cross contamination.
3. it will be installed on insulation board close to switch by the way that insulation board is fixedly arranged on opening, it can be to avoid (metal) shell
Body or surrounding metal material cause to approach switch accidentally to processing module sending electricity to interference is generated close to inductive switching wing carrier bar
Signal, and then guarantee the accuracy of chain rupture protection mechanism work.
4. structure is simple, it is easy to implement the chain rupture protection to scrapper conveyor.
The above is only the preferred embodiment of the present utility model, not does limit in any form to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet
Technical professional, in the range of not departing from technical solutions of the utility model, when the technology contents using the disclosure above
It makes a little change or is modified to the equivalent embodiment of equivalent variations, but is all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Capable of the covering of technology contents in the range of.
Claims (7)
1. a kind of scratch board machine chain chain breakage protection device characterized by comprising
Power traction mechanism, including shell, partition, drive sprocket, driven sprocket and it is engaged in the drive sprocket and engagement
In the chain of the driven sprocket, the drive sprocket and the driven sprocket are rotatablely installed in the shell, the chain
The circumferential direction of item is installed with wing carrier bar at equal intervals, and the opening in alignment with the wing carrier bar, the partition position are offered on the shell
In the opening lower section and be installed on the inner wall of the shell；
Chain rupture protection mechanism, is installed on the aperture position, and the chain rupture protection mechanism includes insulation board, close switch, control
Device and combined aural and visual alarm, the insulation board is fixedly arranged on the opening, described to be installed on the insulation by bracket close to switch
On plate, for the sensitive surface close to switch in alignment with the wing carrier bar, the controller includes being connected in the close switch
Processing module and the control module shut down for controlling the drive sprocket are preset with the predetermined time in the processing module, institute
It states control module and is connected in the combined aural and visual alarm, the combined aural and visual alarm is installed on the shell.
2. a kind of scratch board machine chain chain breakage protection device according to claim 1, it is characterised in that: the shell it is close
One end of the drive sprocket offers the opening.
3. a kind of scratch board machine chain chain breakage protection device according to claim 2, it is characterised in that: the shell includes side
Plate, the drive sprocket and the driven sprocket pass through shaft rotational installation on the side plate respectively, open on the side plate
Equipped with the opening.
4. a kind of scratch board machine chain chain breakage protection device according to claim 1, it is characterised in that: the sensitive surface and institute
Stating the vertical range between wing carrier bar is 15mm-70mm.
5. a kind of scratch board machine chain chain breakage protection device according to claim 1, it is characterised in that: be spaced on the shell
Multiple openings are offered, each aperture position is equipped with a chain rupture protection mechanism.
6. a kind of scratch board machine chain chain breakage protection device according to claim 1, it is characterised in that: the close switch
Model Fi25-W40-OP6L-Q12 or WDA3V34C.
7. a kind of scratch board machine chain chain breakage protection device according to claim 1, it is characterised in that: the insulation board is glass
Glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827777.5U CN209023674U (en) | 2018-11-07 | 2018-11-07 | A kind of scratch board machine chain chain breakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827777.5U CN209023674U (en) | 2018-11-07 | 2018-11-07 | A kind of scratch board machine chain chain breakage protection device |
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| Publication Number | Publication Date |
|---|---|
| CN209023674U true CN209023674U (en) | 2019-06-25 |
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ID=66909045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821827777.5U Active CN209023674U (en) | 2018-11-07 | 2018-11-07 | A kind of scratch board machine chain chain breakage protection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560260A (en) * | 2022-02-23 | 2022-05-31 | 湖南九鼎科技（集团）永州鼎立饲料有限公司 | Scraper with multiple protection functions |
| CN117142041A (en) * | 2023-09-08 | 2023-12-01 | 上海赛摩物流科技有限公司 | Automatic change detection lifting machine chain broken link mechanism |
| CN117228227A (en) * | 2023-09-11 | 2023-12-15 | 中国矿业大学 | Intelligent monitoring and chain-feeding device of heavy mining scraper conveyor and control method |
-
2018
- 2018-11-07 CN CN201821827777.5U patent/CN209023674U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560260A (en) * | 2022-02-23 | 2022-05-31 | 湖南九鼎科技（集团）永州鼎立饲料有限公司 | Scraper with multiple protection functions |
| CN117142041A (en) * | 2023-09-08 | 2023-12-01 | 上海赛摩物流科技有限公司 | Automatic change detection lifting machine chain broken link mechanism |
| CN117142041B (en) * | 2023-09-08 | 2024-03-08 | 上海赛摩物流科技有限公司 | Automatic change detection lifting machine chain broken link mechanism |
| CN117228227A (en) * | 2023-09-11 | 2023-12-15 | 中国矿业大学 | Intelligent monitoring and chain-feeding device of heavy mining scraper conveyor and control method |
| CN117228227B (en) * | 2023-09-11 | 2024-04-02 | 中国矿业大学 | Intelligent monitoring and chain-feeding device of heavy mining scraper conveyor and control method |
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