CN104358570B - A kind of cable handler with cable tension protection - Google Patents
A kind of cable handler with cable tension protection Download PDFInfo
- Publication number
- CN104358570B CN104358570B CN201410617267.5A CN201410617267A CN104358570B CN 104358570 B CN104358570 B CN 104358570B CN 201410617267 A CN201410617267 A CN 201410617267A CN 104358570 B CN104358570 B CN 104358570B
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- CN
- China
- Prior art keywords
- frame component
- cable
- panel assembly
- towing cable
- cable frame
- Prior art date
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- 238000010008 shearing Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
- E21C35/046—Protection of cables or pipes for supplying power
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to a kind of cable handler with cable tension protection, comprise panel assembly, towing cable frame component, rotating shaft, shear axis, sensor module; When shearing pin and bear excessive stress generation fracture, towing cable frame component can horizontally rotate around the shaft; Sensor module is fixed on towing cable frame component, its inside is provided with step shaft, step shaft upper end is spherical end, compression spring is pushed down in bottom, the bottom of panel assembly is provided with the groove corresponding with spherical end, the lower end of step shaft is provided with inclined-plane, and inclined-plane is corresponding with travel switch, and the spring piece contact of travel switch supports inclined-plane; Under normal operation state, the spherical end of step shaft is in the groove of panel assembly, and inclined-plane supports the spring piece of travel switch; Once cable bears excessive pulling force, shearing pin fracture, sensor module just rotates along with towing cable frame component together occurred level, and the spherical end of step shaft produces groove, and step shaft is forced to move down, and namely beveled end triggers travel switch, and then coalcutter power-off protection.
Description
Technical field
The present invention relates to a kind of cable handler with cable tension protection, belong to coal excavation apparatus technical field.
Background technology
Coalcutter is in working process, and cable is dragged by cable handler and overturns movement back and forth in scraper plate electric cable groove, very easily occurs card to suppress phenomenon, if not having Timeliness coverage, then cable can be caused to bear excessive pulling force and rupture. Cable is once fracture, and namely coalcutter falls electricity shutdown, cannot normally mine. Now, need to take a long time and cable breaking part is repaired, when wasting manpower and material resources, also seriously have impact on the normal production of ore deposit side. Along with the appearance of few people and unmanned automatization fully-mechanized mining working, cable card is suppressed phenomenon and is more not easily found.
Prior art also has the protector adopting dynamo-electric formula, but complex structure, and reliability is not high, and volume is relatively big, arranges comparison difficult.
Summary of the invention
The technical issues that need to address of the present invention are: existing coalcutter is in working process; cable is dragged by cable handler and overturns movement back and forth in scraper plate electric cable groove; card is very easily occurred to suppress phenomenon; the protector reliability of prior art is not high; and complex structure; volume is relatively big, arranges comparison difficult.
The present invention takes following technical scheme:
A cable handler with cable tension protection, comprises panel assembly 1, towing cable frame component 2, rotating shaft 3, shear axis 4, sensor module 5; Described panel assembly 1 is fixed on coalcutter fuselage by set screws I, and panel assembly 1 is provided with the retaining plate 7 preventing described set screws I from bearing shearing force, retaining plate 7 and fuselage laminating, and adopts set screws II to be fixed on fuselage; Described panel assembly 1 is provided with the card groove for installing towing cable frame component 2 simultaneously, for installing rotating shaft 3 and shear the open holes of pin 4; Towing cable frame component 2 one end is inserted in the card groove of panel assembly 1, to limit its motion in the vertical direction, one end is provided with rotatable chain, and for drag cable, towing cable frame component 2 is also provided with simultaneously to be installed rotating shaft 3 and shear the open holes of pin 4 and the open holes of set sensor assembly 5; Rotating shaft 3 is arranged in the open holes of panel assembly 1 and towing cable frame component 2, both is fixed together in the horizontal direction; Shearing pin 4 is arranged in the open holes of panel assembly 1 and towing cable frame component 2, when coalcutter normal operation, prevents it from horizontally rotating for fixing towing cable frame component 2; When shear pin 4 bear excessive stress there is fracture time, towing cable frame component 2 can 3 horizontally rotate around the shaft; By selecting the size shearing pin 4 diameter to carry out control cables maximum pulling force allowed to bear; Sensor module 5 is fixed on towing cable frame component 2, its inside is provided with step shaft 11, described step shaft 11 upper end is spherical end, compression spring 12 is pushed down in bottom, the bottom of panel assembly is provided with the groove corresponding with described spherical end, step shaft 11 times ends are provided with inclined-plane, and inclined-plane is corresponding with travel switch 10, and the spring piece contact of travel switch 10 supports residence and states inclined-plane; Under normal operation state, the spherical end of step shaft 11 is in the groove of panel assembly, and inclined-plane supports the spring piece of travel switch 10; Once cable bears excessive pulling force, shearing pin 4 and rupture, sensor module 5 is just along with towing cable frame component 2 together occurred level rotates; the spherical end of step shaft 11 produces groove; step shaft is forced to move down, and namely beveled end triggers travel switch 10, and then coalcutter power-off protection.
The feature of the technical program is: in order to avoid the cable of cable handler by power, cable is caused to rupture, utilize lever principle, it is provided with towing cable frame component 2, with shearing pin 4, rotating shaft 3, sensor module 5, when shearing force between towing cable frame component 2 and panel assembly 1 is excessive, shear pin 4 can rupture, sensor module together 3 can rotate around the shaft with towing cable frame component 2, thus there is the relative movement between panel assembly 1, this kind of relative movement is utilized to trigger sensor module 5, simultaneously, specifically provide the structure of the sensor module 5 of unique feature, arrange and coordinate between ball recess with spherical end, the spherical end of step shaft produces groove, step shaft is forced to move down, in moving process, namely beveled end triggers travel switch, make it close, and then coalcutter power-off protection, reliability height, compact construction, convenient fixing is installed.
Further, described shearing pin 4 relatively rotating shaft 3 closer to coalcutter fuselage.
Further, the lower weld of described retaining plate 7 and panel assembly 1 is fixed.
Further, described sensor module 5 adopts one group of four M8 screw to be fixed on towing cable frame component 2.
The useful effect of the present invention is:
1) a kind of cable handler effectively protected by electric cable for coal mining machine is provided.
2) reliability height.
3) sensor module structure is simple, designs ingenious, saves space.
4) structure is simple, implements easily, and shearing force is easy to adjust.
Accompanying drawing explanation
Fig. 1 is the front section view that the present invention has the cable handler of cable tension protection.
Fig. 2 is the vertical view at the position such as towing cable frame component, panel assembly in Fig. 1.
Fig. 3 is the front section view of panel assembly.
Fig. 4 is the vertical view of panel assembly.
Fig. 5 is the parts sectional view of towing cable frame component.
Fig. 6 is the vertical view of towing cable frame component.
Fig. 7 is the K direction view in Fig. 6.
Fig. 8 is the front view of sensor module.
Fig. 9 is under coalcutter is in normal operation state, the structure iron of sensor module.
Figure 10 is that sensor module triggers the schematic diagram of travel switch when shearing pin fracture.
In figure, 1. panel assembly, 2. towing cable frame component, 3. rotating shaft, 4. shear pin, 5. sensor module, 6. set screws II, 7. retaining plate, 8. set screws I, 9. set screws III, 10. travel switch, 11. step shafts, 12. compression springs.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention provides a kind of cable handler with cable tension protection, comprises panel assembly 1, towing cable frame component 2, rotating shaft 3, shears pin 4 and sensor module 5.
Panel assembly 1 is incorporated on coalcutter fuselage by screw 8 handle of 6 M20, and is provided with the retaining plate 7 preventing from conjunction screw being born shearing force, retaining plate and fuselage laminating, and with the screw 6 of 4 M16 being incorporated on fuselage; Panel assembly is provided with simultaneously the card groove for installing towing cable frame component 2, for install rotating shaft 3 and shear pin 4 open holes, for triggering the groove of travel switch.
Towing cable frame component 2 one end is inserted in the card groove of panel assembly 1, to limit its motion in the vertical direction, one end is provided with rotatable chain, and for pulling cable, it is provided with simultaneously installs rotating shaft and shear the open holes of pin and the screw hole of 4 M8 of set sensor assembly.
Rotating shaft 3 is arranged in the open holes of panel assembly 1 and towing cable frame component 2, both is fixed together in the horizontal direction, but towing cable frame component 2 can horizontally rotate around it.
Shearing pin 4 is arranged in the open holes of panel assembly 1 and towing cable frame component 2, when coalcutter normal operation, prevent its left-right rotation for fixing towing cable frame component 2, and bear excessive pulling force at cable, shearing pin when there is fracture, towing cable frame component 2 can 3 horizontally rotate around the shaft; The size shearing pin diameter by control carrys out control cables maximum pulling force allowed to bear.
Sensor module 5 is fixed on towing cable frame component by screw 9, and it is provided with travel switch 10; Sensor module is provided with a step shaft 11 simultaneously, and one end of step shaft is designed to spherical, and one end is designed with the inclined-plane for triggering travel switch; Under normal operation state, step shaft is withstood by the elastic force of compression spring 12, and now, the spherical end of step shaft is in the groove of panel assembly, and beveled end is in the position that travel switch is often left, coalcutter normal operation; Once cable bears excessive pulling force, shearing pin fracture, it is just along with towing cable frame component 2 together occurred level rotates; now, the spherical end of step shaft produces groove, and step shaft is forced to move down; in moving process, namely beveled end triggers travel switch so that it is closed, and then coalcutter power-off protection.
In sum; a kind of cable handler with cable tension protection that the present invention proposes; when cable bears excessive pulling force, it shears pin fracture, and towing cable frame component rotates around the axis together with sensor module; and then the travel switch in triggering sensor module; coalcutter power-off is protected, therefore, it is possible to avoid electric cable for coal mining machine to bear excessive pulling force; the cable of protection coalcutter, can avoid rupturing the waste in the manpower and materials brought to colliery enterprise and on the normal impact produced because of cable simultaneously.
The present invention can avoid electric cable for coal mining machine to bear excessive pulling force, the cable of available protecting coalcutter; The present invention can avoid rupturing the waste in the manpower and materials brought to colliery enterprise and on the normal impact produced because of cable simultaneously.
Claims (4)
1. one kind has the cable handler of cable tension protection, it is characterised in that:
Comprise panel assembly (1), towing cable frame component (2), rotating shaft (3), shear pin (4), sensor module (5);
Described panel assembly (1) is fixed on coalcutter fuselage by set screws I, panel assembly (1) is provided with and prevents described set screws I from bearing the retaining plate of shearing force (7), retaining plate (7) and fuselage laminating, and adopt set screws II to be fixed on fuselage;
Described panel assembly (1) is provided with the card groove for installing towing cable frame component (2) simultaneously, for installing rotating shaft (3) and shear the open holes of pin (4);
Towing cable frame component (2) one end is inserted in the card groove of panel assembly (1), to limit its motion in the vertical direction, one end is provided with rotatable chain, for drag cable, towing cable frame component (2) is also provided with simultaneously to be installed rotating shaft (3) and shears the open holes of pin (4) and the open holes of set sensor assembly (5);
Rotating shaft (3) is arranged in the open holes of panel assembly (1) and towing cable frame component (2), both is fixed together in the horizontal direction; Shearing pin (4) is arranged in the open holes of panel assembly (1) and towing cable frame component (2), when coalcutter normal operation, prevents it from horizontally rotating for fixing towing cable frame component (2);
When shearing pin (4) and bear excessive stress generation fracture, towing cable frame component (2) can (3) horizontally rotate around the shaft; By selecting the size shearing pin (4) diameter to carry out control cables maximum pulling force allowed to bear;
Sensor module (5) is fixed on towing cable frame component (2), its inside is provided with step shaft (11), described step shaft (11) upper end is spherical end, compression spring (12) is pushed down in bottom, the bottom of panel assembly is provided with the groove corresponding with described spherical end, step shaft (11) lower end is provided with inclined-plane, inclined-plane is corresponding with travel switch (10), and the spring piece contact of travel switch (10) supports residence and states inclined-plane;
Under normal operation state, the spherical end of step shaft (11) is in the groove of panel assembly, and inclined-plane supports the spring piece of travel switch (10); Once cable bears excessive pulling force; shear pin (4) fracture; sensor module (5) is just along with towing cable frame component (2) together occurred level rotates; the spherical end of step shaft (11) produces groove; step shaft is forced to move down; namely beveled end triggers travel switch (10), and then coalcutter power-off protection.
2. there is the cable handler of cable tension protection as claimed in claim 1, it is characterised in that: described shearing pin (4) relatively rotating shaft (3) is closer to coalcutter fuselage.
3. there is the cable handler of cable tension protection as claimed in claim 1, it is characterised in that: the lower weld of described retaining plate (7) and panel assembly (1) is fixed.
4. there is the cable handler of cable tension protection as claimed in claim 1, it is characterised in that: described sensor module (5) adopts one group of four M8 screw to be fixed on towing cable frame component (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617267.5A CN104358570B (en) | 2014-11-05 | 2014-11-05 | A kind of cable handler with cable tension protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617267.5A CN104358570B (en) | 2014-11-05 | 2014-11-05 | A kind of cable handler with cable tension protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358570A CN104358570A (en) | 2015-02-18 |
| CN104358570B true CN104358570B (en) | 2016-06-01 |
Family
ID=52525867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410617267.5A Active CN104358570B (en) | 2014-11-05 | 2014-11-05 | A kind of cable handler with cable tension protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358570B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444712A (en) * | 2015-12-31 | 2016-03-30 | 中国神华能源股份有限公司 | Device for detecting state of suspended cable, and suspended cable |
| CN105655938B (en) * | 2016-01-14 | 2017-07-11 | 安徽理工大学 | A kind of flitting service cable protection device |
| CN108321754B (en) * | 2018-02-02 | 2020-10-16 | 东阳市鑫联工业设计有限公司 | Cable traction tension overload protection device for coal mining machine in coal mine |
| CN110048361B (en) * | 2019-05-05 | 2024-04-05 | 天地科技股份有限公司上海分公司 | High-adaptability towing device for coal mining machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1202717A (en) * | 1967-03-17 | 1970-08-19 | Coal Industry Patents Ltd | Improvements in or relating to coal mining machine supply cable haulting equipment |
| CN202451155U (en) * | 2012-01-09 | 2012-09-26 | 三一重型装备有限公司 | Coal cutter and cable protection device thereof |
| CN202832540U (en) * | 2012-09-14 | 2013-03-27 | 陕西陕煤黄陵矿业有限公司 | Heading machine auxiliary device for coal mine |
| CN103334751B (en) * | 2013-06-13 | 2015-06-10 | 四川华蓥山广能集团嘉华机械有限责任公司 | Protection device for coal cutter cable |
| CN203891880U (en) * | 2014-03-04 | 2014-10-22 | 天地上海采掘装备科技有限公司 | Cable towing device for coal mining machine |
| CN204200228U (en) * | 2014-11-05 | 2015-03-11 | 天地上海采掘装备科技有限公司 | A kind of cable handler with cable tension protection |
-
2014
- 2014-11-05 CN CN201410617267.5A patent/CN104358570B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104358570A (en) | 2015-02-18 |
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