CN104295314A - Tail protection device of loading mechanism - Google Patents
Tail protection device of loading mechanism Download PDFInfo
- Publication number
- CN104295314A CN104295314A CN201410610439.6A CN201410610439A CN104295314A CN 104295314 A CN104295314 A CN 104295314A CN 201410610439 A CN201410610439 A CN 201410610439A CN 104295314 A CN104295314 A CN 104295314A
- Authority
- CN
- China
- Prior art keywords
- scissors mechanism
- transfer conveyor
- conveyor tail
- protector according
- tail protector
- Prior art date
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 101
- 238000005065 mining Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000001012 protector Effects 0.000 claims description 56
- 230000003028 elevating effect Effects 0.000 claims description 46
- 238000012216 screening Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pulmonology (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Mechanical Engineering (AREA)
- Framework For Endless Conveyors (AREA)
- Belt Conveyors (AREA)
Abstract
The invention provides a tail protection device of a loading mechanism, and belongs to the field of protection devices of fully mechanized mining equipment. The protection device comprises a protective guard which is a scissors fork mechanism of which one end is connected with the tail of the loading mechanism, and the other end is connected with a working surface scraper conveyor. The tail protection device of the loading mechanism, provided by the invention, has the characteristic of flexibility, and can effectively prevent staff from losing feet to step in the loading mechanism, so that an accident is avoided, and the device is safe and reliable.
Description
Technical field
The present invention relates to the protector field of fully-mechanized mining equipment, in particular to a kind of transfer conveyor tail protector.
Background technology
Underground coal mine is produced in fully-mechanized mining equipment use procedure, and usual handpiece operation personnel and crossheading operating personnel need Scraper Conveyor in Mining Face and elevating conveyor overlapped points to carry out production operation.But Scraper Conveyor in Mining Face and elevating conveyor overlapped points have scraper plate to run up, to slip in the process of walking elevating conveyor of entering into if any personnel, will serious security incident be caused.Therefore there are major safety risks in existing Scraper Conveyor in Mining Face and elevating conveyor overlapped points.
Summary of the invention
The invention provides a kind of transfer conveyor tail protector, be intended to improve the problems referred to above.
The present invention is achieved in that
A kind of transfer conveyor tail protector, comprises protective guard; Described protective guard is scissors mechanism, and one end of described scissors mechanism is connected with the tail of elevating conveyor, and the other end is connected with Scraper Conveyor in Mining Face.
Further, described scissors mechanism comprises some scissor arms, and two described scissor arms are movably hinged the scissor unit forming X-shaped in the middle part of separately, and the end of the relative described scissor arm of adjacent two described scissor unit is hinged.By arranging the described scissor unit of X-shaped, and described scissor unit is hinged in the end of relative described scissor arm, make described scissors mechanism scalable, and stabilized structure, safe and reliable, can effectively prevent personnel to slip elevating conveyor of entering into.
Further, described scissors mechanism comprises some points of scissors mechanisms, is provided with protected apron described in adjacent two between point scissors mechanism.By arranging described protected apron, while playing protective action, described scissors mechanism being played to the effect of reinforcement, more effectively preventing personnel to slip elevating conveyor of entering into.
Further, described scissors mechanism is two, and is setting side by side up and down.By arranging two described scissors mechanisms side by side up and down, increase the area of protection, better protecting effect.
Further, the downside of the described scissors mechanism of top is connected with the upside of the described scissors mechanism of below.Side by side two described scissors mechanisms are connected, form the scissors mechanism that has two rows scissor, while increase pretective acreage, synchronization telescope can be realized better.
Further, transfer conveyor tail and Scraper Conveyor in Mining Face are provided with connection column, and the two ends of described scissors mechanism are provided with snap ring;
Described snap ring comprises and is oppositely arranged two curved portions, and one end of two described curved portions is all flexibly connected with described scissors mechanism, and the other end is bolted;
Two described connection columns are arranged at intervals with multiple annular groove in mutually level position correspondence, and described snap ring clamps in described annular groove.
By arranging described snap ring at described scissors mechanism, open described snap ring, and regulate described snap ring to clamp in different described annular grooves, realize the adjustment of the residing height of described scissors mechanism, according to concrete actual condition, the height of described scissors mechanism can be regulated.
Further, the downside of described scissors mechanism is provided with protective screening, described protective screening comprises many metallic bonds, described metallic bond comprises vertical metallic bond and transverse metal chain, one end of described vertical metallic bond is connected with the downside of described scissors mechanism, the other end is free end, and adjacent two described vertical metallic bonds are connected by described transverse metal chain.
By arranging described protective screening, the effect stopping and protect can be played.Stop transport the stage at elevating conveyor, float coal shovels into elevating conveyor by personnel, prevents float coal from again spreading out.Then be in elevating conveyor open stage, prevent construction material, instrument, personnel etc. to be strayed into elevating conveyor.
Further, Scraper Conveyor in Mining Face is provided with cross bar, described cross bar is connected with described scissors mechanism, and described cross bar is provided with slide rail, and one end of the described metallic bond of described cross bar is provided with slide block, and described slide block and described slide rail are slidably connected.By arranging described slide block and described slide rail, make when described scissors mechanism stretches, described slide block can slide in described slide rail, and then drives described metallic bond to move, preventing described scissors mechanism described metallic bond when shrinking from falling on elevating conveyor table top, causing security incident.
Further, the downside of described scissors mechanism and elevating conveyor table top have gap.Facilitate field personnel to carry out float coal cleaning, transported by elevating conveyor.
Further, described scissors mechanism posts fluorescent retroreflective material.Downhole production illumination only relies on workman to carry mine lamp, and produced on-site illuminance is poor, sticks fluorescent retroreflective material by being arranged on described scissors mechanism, makes personnel passing through or effective raising personnel visual resolving power in the course of work, more safe and reliable.
The present invention by arranging protective guard on transfer conveyor tail protector, protective guard is scissors mechanism, one end of scissors mechanism is connected with the tail of elevating conveyor, the other end is connected with Scraper Conveyor in Mining Face, during work, when before the coal-face of Scraper Conveyor in Mining Face is in coal cutting during state, the scissors mechanism of transfer conveyor tail protector is contraction state; When Scraper Conveyor in Mining Face along with coal cutting moves forward, drive scissors mechanism is stretched out, play the effect of protection, can effectively prevent personnel to slip elevating conveyor of entering into, now elevating conveyor is in open stage, chain runs up in the middle of elevating conveyor, and slip elevating conveyor of entering into of personnel will cause serious security incident.
Therefore transfer conveyor tail protector provided by the invention has telescopic feature, can effectively prevent personnel to slip the generation of elevating conveyor of entering into, Accident prevention, safe and reliable.
Accompanying drawing explanation
The transfer conveyor tail that Fig. 1 shows the embodiment of the present invention 1 to be provided arranges the structure of protector;
The transfer conveyor tail that Fig. 2 shows the embodiment of the present invention 2 to be provided arranges the structure of protector;
The transfer conveyor tail that Fig. 3 shows the embodiment of the present invention 2 to be provided arranges the cross-sectional cut-away structure of the connection column at the annular groove place of protector;
The transfer conveyor tail that Fig. 4 shows the embodiment of the present invention 3 to be provided arranges the structure of the scissors mechanism of protector;
The transfer conveyor tail that Fig. 5 shows the embodiment of the present invention 4 to be provided arranges the structure of the scissors mechanism of protector;
The transfer conveyor tail that Fig. 6 shows the embodiment of the present invention 5 to be provided arranges the structure of the scissors mechanism of protector;
The transfer conveyor tail that Fig. 7 shows the embodiment of the present invention 6 to be provided arranges the structure of protector;
The transfer conveyor tail that Fig. 8 shows the embodiment of the present invention 6 to be provided arranges the cross-sectional cut-away structure of the cross bar of protector.
In accompanying drawing, the structure that Reference numeral represents is as follows:
101-elevating conveyor; 102-Scraper Conveyor in Mining Face; 103-connects column; 104-annular groove;
201-scissors mechanism; 202-scissor arm; 203-snap ring; 204-curved portions; 205-metallic bond; The vertical metallic bond of 206-; 207-transverse metal chain;
301-divides scissors mechanism; 302-protected apron;
401-cross bar; 402-slide rail; 403-slide block.
Detailed description of the invention
The present inventor finds in underground coal mine manufacturing process, Scraper Conveyor in Mining Face and elevating conveyor overlapped points are in opening-wide state, personnel may slip elevating conveyor of entering in the course of the work, and Scraper Conveyor in Mining Face and elevating conveyor overlapped points have scraper plate to run up, personnel are strayed into elevating conveyor will cause serious security incident.
Therefore the present inventor expects that arranging protector at transfer conveyor tail is strayed into elevating conveyor to prevent personnel, for ensureing the protective action of protector, protector adopts telescopic scissors mechanism, the motion during work of scissors mechanism along with Scraper Conveyor in Mining Face is correspondingly stretched, the personnel that well prevent slip elevating conveyor of entering in the course of the work, safe and reliable.
Below in conjunction with drawings and Examples, the present invention is illustrated:
Embodiment 1
The transfer conveyor tail that Fig. 1 shows the embodiment of the present invention 1 to be provided arranges the structure of protector; Refer to Fig. 1, the embodiment of the present invention 1 provides a kind of transfer conveyor tail protector, and this transfer conveyor tail protector comprises protective guard.Protective guard is scissors mechanism 201, and one end of scissors mechanism 201 is connected with the tail of elevating conveyor 101, and the other end is connected with Scraper Conveyor in Mining Face 102.Scissors mechanism 201 two ends can adopt with the tail of elevating conveyor 101 and the connected mode of Scraper Conveyor in Mining Face 102 respectively and directly weld, and also can adopt other connected modes.
During work, when before the coal-face of Scraper Conveyor in Mining Face 102 is in coal cutting during state, the scissors mechanism 201 of transfer conveyor tail protector is contraction state; When Scraper Conveyor in Mining Face 102 along with coal cutting moves forward, scissors mechanism 201 is driven to stretch out, play the effect of protection, can effectively prevent from personnel from slipping entering into elevating conveyor 101, now elevating conveyor 101 is in open stage, the middle chain of elevating conveyor 101 runs up, and slip elevating conveyor 101 of entering into of personnel will cause serious security incident.
Therefore transfer conveyor tail protector provided by the invention has telescopic feature, can effectively prevent from personnel from slipping entering into the generation of elevating conveyor 101, Accident prevention, safe and reliable.
Embodiment 2
The transfer conveyor tail that Fig. 2 shows the embodiment of the present invention 2 to be provided arranges the structure of protector; Refer to Fig. 2, the embodiment of the present invention 2 provides a kind of transfer conveyor tail protector, and this transfer conveyor tail protector comprises all technical characteristic of the transfer conveyor tail protector that embodiment 1 provides, and comprises following technical characteristic:
Refer to Fig. 2, scissors mechanism 201 comprises some scissor arms 202, two scissor arms 202 and be movably hinged the scissor unit forming X-shaped in the middle part of separately, and the end of the relative scissor arm 202 of two adjacent scissor unit is hinged.By arranging the scissor unit of X-shaped, and scissor unit is hinged in the end of relative scissor arm 202, make scissors mechanism 201 scalable, and stabilized structure, safe and reliable, can effectively prevent from personnel from slipping entering into elevating conveyor 101.As preferably, the hinged place of scissors mechanism 201 is all with bolts.
The transfer conveyor tail that Fig. 3 shows the embodiment of the present invention 2 to be provided arranges the cross-sectional cut-away structure of the connection column 103 at annular groove 104 place of protector; Refer to Fig. 2 and Fig. 3, elevating conveyor 101 tail and Scraper Conveyor in Mining Face 102 are provided with and connect column 103, and the two ends of scissors mechanism 201 are provided with snap ring 203.Snap ring 203 comprises the one end being oppositely arranged two curved portions, 204, two curved portions 204 and is all flexibly connected with scissors mechanism 201, and the other end is bolted.Two connection columns 103 are arranged at intervals with multiple annular groove 104 in mutually level position correspondence, and snap ring 203 clamps in annular groove 104.Curved portions 204 can adopt hinged with the connection of scissors mechanism 201, also can adopt other connected modes, only have curved portions 204 can to rotate around the tie point with scissors mechanism 201.
When using snap ring 203 to connect, first open snap ring 203, the tie point of two curved portions 204 on scissors mechanism 201 relatively laterally rotates simultaneously, then by snap ring 203 around annular groove 104 place, the tie point of two curved portions 204 on scissors mechanism 201 is relatively turned to the inside simultaneously, by bolt, two curved portions 204 one end away from scissors mechanism 201 is connected again, snap ring 203 is clamped in annular groove 104.Two snap rings 203 are clamped in two mutually level annular grooves 104 of connection column 103 respectively.
By arranging snap ring 203 at scissors mechanism 201, open snap ring 203, and regulate snap ring 203 to clamp in the annular groove 104 of differing heights, realize the adjustment of the residing height of scissors mechanism 201, according to concrete actual condition, the height of scissors mechanism 201 can be regulated.
Refer to Fig. 2, the downside of scissors mechanism 201 is provided with protective screening, protective screening comprises many metallic bonds 205, metallic bond 205 comprises vertical metallic bond 206 and transverse metal chain 207, one end of vertical metallic bond 206 is connected with the downside of scissors mechanism 201, the other end is free end, and adjacent two vertical metallic bonds 206 are connected by transverse metal chain 207.
By arranging protective screening, the effect stopping and protect can be played, and make the downside of scissors mechanism 201 and elevating conveyor 101 table top produce certain gap by protective screening.Stop transport the stage at elevating conveyor 101, float coal shovels into elevating conveyor 101 by personnel, prevents float coal from again spreading out.Then be in elevating conveyor 101 open stage, prevent construction material, instrument, personnel etc. to be strayed into elevating conveyor 101.
Refer to Fig. 2, downside and elevating conveyor 101 table top of scissors mechanism 201 have gap.Facilitate field personnel to carry out float coal cleaning, transported by elevating conveyor 101.
Scissors mechanism 201 posts fluorescent retroreflective material.Downhole production illumination only relies on workman to carry mine lamp, and produced on-site illuminance is poor, sticks fluorescent retroreflective material by being arranged on scissors mechanism 201, makes personnel passing through or effective raising personnel visual resolving power in the course of work, more safe and reliable.
Embodiment 3
The transfer conveyor tail that Fig. 4 shows the embodiment of the present invention 3 to be provided arranges the structure of the scissors mechanism 201 of protector; Refer to Fig. 4, the embodiment of the present invention 3 provides a kind of transfer conveyor tail protector, and the difference of the transfer conveyor tail protector that this transfer conveyor tail protector and embodiment 2 provide only is:
Scissors mechanism 201 comprises some points of scissors mechanisms 301, is provided with protected apron 302 between adjacent two points of scissors mechanisms 301.By arranging protected apron 302, while playing protective action, scissors mechanism 201 being played to the effect of reinforcement, more effectively preventing from personnel from slipping entering into elevating conveyor 101.
Embodiment 4
The transfer conveyor tail that Fig. 5 shows the embodiment of the present invention 4 to be provided arranges the structure of the scissors mechanism 201 of protector; Refer to Fig. 5, the embodiment of the present invention 4 provides a kind of transfer conveyor tail protector, and the difference of the transfer conveyor tail protector that this transfer conveyor tail protector and embodiment 2 provide only is:
Scissors mechanism 201 is two, and is setting side by side up and down.By arranging two scissors mechanisms 201 side by side up and down, increase the area of protection, better protecting effect.
Embodiment 5
The transfer conveyor tail that Fig. 6 shows the embodiment of the present invention 5 to be provided arranges the structure of the scissors mechanism 201 of protector; Refer to Fig. 6, the embodiment of the present invention 5 provides a kind of transfer conveyor tail protector, and the difference of the transfer conveyor tail protector that this transfer conveyor tail protector and embodiment 4 provide only is:
The downside of scissors mechanism 201 of top is connected with the upside of the scissors mechanism 201 of below, all connects in hinged place.Two scissors mechanisms 201 are side by side connected, form the scissors mechanism 201 that has two rows scissor, while increase pretective acreage, synchronization telescope can be realized better.
Embodiment 6
The embodiment of the present invention 6 provides a kind of transfer conveyor tail protector, the difference of the transfer conveyor tail protector that this transfer conveyor tail protector and embodiment 2 provide is to be connected by cross bar 401 between scissors mechanism 201 with Scraper Conveyor in Mining Face 102, and does not adopt the structure connecting column 103.
The transfer conveyor tail that Fig. 7 shows the embodiment of the present invention 6 to be provided arranges the structure of protector; The transfer conveyor tail that Fig. 8 shows the embodiment of the present invention 6 to be provided arranges the cross-sectional cut-away structure of the cross bar 401 of protector; Refer to Fig. 7 and Fig. 8, Scraper Conveyor in Mining Face 102 is provided with cross bar 401, cross bar 401 is connected with scissors mechanism 201, cross bar 401 is provided with slide rail 402, one end of the metallic bond 205 of cross bar 401 is provided with slide block 403, and slide block 403 and slide rail 402 are slidably connected.
By arranging slide block 403 and slide rail 402, make when scissors mechanism 201 stretches, slide block 403 can slide in slide rail 402, and then drives metallic bond 205 to move, preventing scissors mechanism 201 metallic bond 205 when shrinking from falling on elevating conveyor 101 table top, causing security incident.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a transfer conveyor tail protector, is characterized in that, comprises protective guard; Described protective guard is scissors mechanism, and one end of described scissors mechanism is connected with the tail of elevating conveyor, and the other end is connected with Scraper Conveyor in Mining Face.
2. transfer conveyor tail protector according to claim 1, it is characterized in that, described scissors mechanism comprises some scissor arms, two described scissor arms are movably hinged the scissor unit forming X-shaped in the middle part of separately, and the end of the relative described scissor arm of adjacent two described scissor unit is hinged.
3. transfer conveyor tail protector according to claim 1, is characterized in that, described scissors mechanism comprises some points of scissors mechanisms, is provided with protected apron described in adjacent two between point scissors mechanism.
4. transfer conveyor tail protector according to claim 1, is characterized in that, described scissors mechanism is two, and is setting side by side up and down.
5. transfer conveyor tail protector according to claim 4, is characterized in that, the downside of the described scissors mechanism of top is connected with the upside of the described scissors mechanism of below.
6. transfer conveyor tail protector according to claim 1, is characterized in that, transfer conveyor tail and Scraper Conveyor in Mining Face are provided with connection column, and the two ends of described scissors mechanism are provided with snap ring;
Described snap ring comprises and is oppositely arranged two curved portions, and one end of two described curved portions is all flexibly connected with described scissors mechanism, and the other end is bolted;
Two described connection columns are arranged at intervals with multiple annular groove in mutually level position correspondence, and described snap ring clamps in described annular groove.
7. transfer conveyor tail protector according to claim 1, it is characterized in that, the downside of described scissors mechanism is provided with protective screening, described protective screening comprises many metallic bonds, described metallic bond comprises vertical metallic bond and transverse metal chain, one end of described vertical metallic bond is connected with the downside of described scissors mechanism, and the other end is free end, and adjacent two described vertical metallic bonds are connected by described transverse metal chain.
8. transfer conveyor tail protector according to claim 7, it is characterized in that, Scraper Conveyor in Mining Face is provided with cross bar, described cross bar is connected with described scissors mechanism, described cross bar is provided with slide rail, one end of the described metallic bond of described cross bar is provided with slide block, and described slide block and described slide rail are slidably connected.
9. transfer conveyor tail protector according to claim 1, is characterized in that, downside and the elevating conveyor table top of described scissors mechanism have gap.
10. transfer conveyor tail protector according to claim 1, is characterized in that, described scissors mechanism posts fluorescent retroreflective material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610439.6A CN104295314B (en) | 2014-11-02 | 2014-11-02 | A kind of transfer conveyor tail protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610439.6A CN104295314B (en) | 2014-11-02 | 2014-11-02 | A kind of transfer conveyor tail protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295314A true CN104295314A (en) | 2015-01-21 |
| CN104295314B CN104295314B (en) | 2016-08-24 |
Family
ID=52315230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410610439.6A Expired - Fee Related CN104295314B (en) | 2014-11-02 | 2014-11-02 | A kind of transfer conveyor tail protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104295314B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3682288A (en) * | 1969-09-03 | 1972-08-08 | Marcel Montacie | Self-loading conveyor |
| CN201144701Y (en) * | 2008-01-25 | 2008-11-05 | 山西焦煤集团有限责任公司 | Light belt conveyor |
| CN202148921U (en) * | 2011-06-30 | 2012-02-22 | 中煤平朔煤业有限责任公司 | Foldable ratchet reel type safety protection chain device for transfer conveyor |
| CN202560229U (en) * | 2012-05-21 | 2012-11-28 | 山东矿机集团股份有限公司 | Transshipment machine |
| CN204186421U (en) * | 2014-11-02 | 2015-03-04 | 陕西南梁矿业有限公司 | A kind of transfer conveyor tail protector |
-
2014
- 2014-11-02 CN CN201410610439.6A patent/CN104295314B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3682288A (en) * | 1969-09-03 | 1972-08-08 | Marcel Montacie | Self-loading conveyor |
| CN201144701Y (en) * | 2008-01-25 | 2008-11-05 | 山西焦煤集团有限责任公司 | Light belt conveyor |
| CN202148921U (en) * | 2011-06-30 | 2012-02-22 | 中煤平朔煤业有限责任公司 | Foldable ratchet reel type safety protection chain device for transfer conveyor |
| CN202560229U (en) * | 2012-05-21 | 2012-11-28 | 山东矿机集团股份有限公司 | Transshipment machine |
| CN204186421U (en) * | 2014-11-02 | 2015-03-04 | 陕西南梁矿业有限公司 | A kind of transfer conveyor tail protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104295314B (en) | 2016-08-24 |
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