CN109723437A - A kind of coal mine acquisition coalcutter protective device - Google Patents
A kind of coal mine acquisition coalcutter protective device Download PDFInfo
- Publication number
- CN109723437A CN109723437A CN201910088456.0A CN201910088456A CN109723437A CN 109723437 A CN109723437 A CN 109723437A CN 201910088456 A CN201910088456 A CN 201910088456A CN 109723437 A CN109723437 A CN 109723437A
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- China
- Prior art keywords
- receiving part
- fixed
- load receiving
- telescopic rod
- protective device
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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.)
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- 230000001681 protective effect Effects 0.000 title claims abstract description 38
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 239000003818 cinder Substances 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 17
- 230000032258 transport Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000005065 mining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Abstract
The invention discloses a kind of coal mine acquisition coalcutter protective devices, comprising: support construction, hydraulic cylinder, the first electric telescopic rod and load-carrying members；The hydraulic cylinder lower end is fixed on the support structure；First electric telescopic rod is two or more, and is separately fixed in support construction；The load-carrying members include: the load receiving part and bearing plate above the support construction；The bearing plate is two pieces and is symmetrically articulated with the two sides of the load receiving part；The top slide of the load receiving part connects the scraper plate for removing cinder；The output end of the load receiving part downside and hydraulic cylinder is fixed；It is fixed below the bearing plate with the first electric telescopic rod upper end.Protective device of the invention is easy to disassemble and transports, and cinder is convenient to clean, firm and durable.
Description
Technical field
The present invention relates to mining technique field, more particularly to a kind of coal mine acquisition coalcutter protective device.
Background technique
Coalcutter is to realize one of coal production mechanization and the important equipment of modernization.Mechanical coal mining can mitigate body
Power labour improves safety, reaches high yield, high efficiency, low consumed purpose.During coal mining, since coalcutter is naked
It is exposed under mine hole, it, can be to coal mining if thering are coal cinder, cinder or other objects to fall with coalcutter or mining operators above mine hole
Machine causes failure, and personnel cause injures and deaths, and consequence is hardly imaginable, so need to add protective device in coalcutter periphery, to
Security protection is carried out to coalcutter and mining operators.
But existing coalcutter protective device is since volume is excessive, weight is larger, not readily transportable and assembling；Meanwhile
Due to not clearing up for a long time above existing coalcutter protective device, product more coal cinder and cinder can be pushed away, when coal cinder and cinder
When more than constant weight, it will lead to protective device and collapse, can cause casualties or machine breakdown.
Therefore, a kind of easy to disassemble and transport is developed, cinder, and the coalcutter protective device of firm and durable are convenient to clean
The problem of being those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of easy to disassemble, and cinder is convenient to clean, the coal mine of firm and durable, which acquires, to be used
Coalcutter protective device.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of coal mine acquisition coalcutter protective device, comprising: support construction, hydraulic cylinder, the first electric telescopic rod and hold
Weight structure；The hydraulic cylinder lower end is fixed on the support structure；First electric telescopic rod is two or more, and is fixed respectively
On the support structure；The load-carrying members include: the load receiving part and bearing plate above the support construction；The bearing plate
For two pieces and symmetrically it is articulated with the two sides of the load receiving part；The top slide of the load receiving part is connected for removing scraping for cinder
Plate；The output end of the load receiving part downside and hydraulic cylinder is fixed；It is solid with the first electric telescopic rod upper end below the bearing plate
It is fixed.
Beneficial effect by adopting the above technical scheme is that bearing plate makes to fall when in use horizontal by tilting down
Cinder can be slipped to ground, and the scraper plate at the top of load receiving part can periodically clear up the cinder at the top of load receiving part,
The phenomenon that preventing protective device top cinder overweight, protective device is avoided to collapse.
Preferably, the support construction includes: the first support plate and the second support plate；Second support plate is two pieces of cunnings
The dynamic two sides for being socketed on first support plate, the hydraulic cylinder lower end is fixed on the support structure, and the first electric telescopic rod is solid
It is scheduled in the second support plate.
Beneficial effect by adopting the above technical scheme is that the first support plate and the second support plate can by sliding in the present invention
To fold, reduce the volume of protective device, the convenient transport to protective device.
Preferably, the inside of the load receiving part is additionally provided with the second electric telescopic rod, slide bar；Second electric telescopic rod
It is fixed on the end of the load receiving part inner cavity, the slide bar is fixedly connected with the pars contractilis of the second electric telescopic rod, the slide bar
Both ends run through the side wall of the load receiving part, be placed in the outside of the load receiving part, the side wall of the load receiving part is opened up for described
The sliding slot of sliding bar；The scraper plate is fixedly connected on the both ends of slide bar.
Beneficial effect by adopting the above technical scheme is to drive scraper plate mobile by the second electric telescopic rod, to load receiving part
The cinder at top is cleared up, and prevents the cinder weight at the top of load receiving part from crossing senior general's protective device be collapsed；And it is electronic by second
Telescopic rod is placed in the inside of load receiving part, can influence to avoid cinder to electric telescopic rod.
Preferably, the both ends of the slide bar are separately connected fixed plate, and the scraper plate is fixed on the top of two fixed plates
Portion.
Preferably, the fixed cushion in the top of the load receiving part and bearing plate, the scraper plate are placed in the cushion
Top.
Beneficial effect by adopting the above technical scheme is that cinder or coal cinder can directly be fallen on cushion, cushion
The influence that can be fallen to avoid coal cinder to load receiving part and bearing plate is set.
Preferably, the pars contractilis connection fixing block of first electric telescopic rod, the other end of the fixed block with it is described
The bottom of bearing plate is adapted to connection.
Beneficial effect by adopting the above technical scheme is, since bearing plate is in inclined state, fixed block when in use
Fixed one end is also skewed with bearing plate, and bearing plate is matched with fixed block, and then makes bearing plate and the first electric expansion
Bar is fixed stronger.
Preferably, two adjacent sides of second support plate are respectively fixedly connected with block, two second support plates
It is connected by the link block.
Beneficial effect by adopting the above technical scheme is, after two the second support plates slide into together, by bolt by two
The link block of a second support plate connects, and can realize the connection to two the second support plates.
Beneficial effects of the present invention:
(1) it is slidably socketed the second support plate in the two sides of the first support plate in the present invention, it is adjacent in two the second support plates
Side install link block, by sliding two the second support plates can be slid together, in link block be inserted into bolt can be right
Installation is fixed in two the second support plates, convenient that protective device is transported and dismounted；
It (2),, can be complete by rotating bearing plate when not using protective device in the hinged bearing plate in the bottom of load receiving part
The folding of pairs of load-bearing plate structure, reduces the volume of protective device, convenient for the transport and disassembly to protective device；
(3) load receiving part top setting scraper plate can periodically at the top of load receiving part cinder or coal cinder clear up, prevent
The only cinder above load receiving part and the excessive collapsing for causing protective device of coal cinder weight.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the overall structure diagram of protective device provided by the invention；
Fig. 2 attached drawing is the left view of protective device provided by the invention；
Fig. 3 attached drawing is the cross-sectional view of load receiving part provided by the invention.
Wherein, in figure,
1- load-carrying members；
11- load receiving part；
The second electric telescopic rod of 111-；112- slide bar；113- sliding slot；114- fixed plate；
12- bearing plate；13- scraper plate；14- cushion；
2- hydraulic cylinder；
3- support construction；
The first support plate of 31-；
The second support plate of 32-；
321- link block；
The first electric telescopic rod of 4-；
41- fixed block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
1, the embodiment of the invention discloses a kind of coal mine acquisition coalcutter protective devices, comprising: support construction 3, hydraulic
Cylinder 2, the first electric telescopic rod 4 and load-carrying members 1；2 lower end of hydraulic cylinder is fixed in support construction 3；Described first is electronic
Telescopic rod 4 is two or more, and is separately fixed in support construction 3；The load-carrying members 1 include: positioned at the support construction 3
The load receiving part 11 and bearing plate 12 of top；The bearing plate 12 is two pieces and is symmetrically articulated with the two sides of the load receiving part 11；Institute
The top slide for stating load receiving part 11 connects scraper plate 13 for removing cinder；11 downside of load receiving part is defeated with hydraulic cylinder 2
Outlet is fixed；12 lower section of bearing plate is fixed with 4 upper end of the first electric telescopic rod.The two sides of 11 bottom of load receiving part pass through pin shaft
It is rotatablely installed bearing plate 12, two bearing plates 12 are symmetrical arranged by symmetry axis of the center line of load receiving part.
Further, the support construction 3 includes: the first support plate 31 and the second support plate 32；Second support plate
32 are slidably socketed for two pieces in the two sides of first support plate 31, and 2 lower end of hydraulic cylinder is fixed in support construction 3, the
One electric telescopic rod 4 is fixed in the second support plate 32.
Further, the inside of load receiving part 11 is additionally provided with the second electric telescopic rod 111, slide bar 112；Second electric expansion
Bar 111 is fixed on the end of 11 inner cavity of load receiving part, and slide bar 112 is fixedly connected with slide bar with the pars contractilis of the second electric telescopic rod 111
112, the side wall of load receiving part 11 is run through at the both ends of slide bar 112, is placed in the outside of load receiving part 11, the side wall of load receiving part 11, which opens up, to be used for
The sliding slot 113 that slide bar 112 slides；Scraper plate 13 is fixedly connected on the both ends of slide bar 112.
Further, the both ends of slide bar 112 are separately connected fixed plate 114, and scraper plate 13 is fixed on the top of two fixed plates 114
Portion.The setting of fixed plate 114 can guarantee that scraper plate is placed in the top of load receiving part 11, allow scraper plate 13 effectively by load receiving part 11
Top cinder is disposed.
Further, the fixed cushion 14 in the top of load receiving part 11 and bearing plate 12, scraper plate 13 are placed in cushion 14
Top.
Further, the pars contractilis connection fixing block 41 of the first electric telescopic rod 4, the other end and bearing plate of fixed block 41
12 bottom is adapted to connection.As shown in Figure 1, bearing plate 12 is inclined when in use, the company of fixed block 41 and bearing plate 12
It is also oblique to meet place, makes to connect between fixed block 41 and bearing plate 12 even closer, fixed is stronger；And first
Electric telescopic rod 4 can give 12 1 support forces of bearing plate, improve the stablizing effect of protective device entirety.
Further, the first electric telescopic rod 4 and the second electric telescopic rod 13, are powered, specifically by external power supply
The process of ground power supply process and stretching motion is identical as existing electric telescopic rod, be not just described in detail herein.
Further, two adjacent sides of the second support plate 32 are respectively fixedly connected with block 321, two the second support plates 32
It is connected by link block 321.
Working principle:
It is also adjacent in two the second support plates 32 by being slidably socketed the second support plate 32 in the two sides of the first support plate 31
Side link block 321 is fixedly mounted, when being transported or being dismantled to protective device, by sliding by two the second support plates
32 slide together, and are inserted into bolt inside link block 321, and installation is fixed to two the second support plates 32；In load receiving part 11
Bottom by pin shaft be rotatablely installed bearing plate 12, do not use protective device when, by rotate bearing plate 12, can be to bearing plate
Structure is folded, and can reduce the volume of protective device, convenient for the transport and disassembly to protective device；Simultaneously in load receiving part 11
The second electric telescopic rod 111 of interior setting, the telescopic end of the second electric telescopic rod 111 are fixedly connected with slide bar 112, and slide bar 112 passes through
Fixed plate 114 is fixedly mounted in the part of sliding slot 113, scraper plate 13 is fixedly mounted between two fixed plates 114, scraper plate 13 is in load-bearing
It slides above the cushion 12 in portion 11, is translated using the second electric telescopic rod 13 with moving slide-bar 113, and then drive scraper plate 13
The cinder of 11 top of load receiving part and coal cinder are wiped off.It is cleared up by cinder periodically to the top of load receiving part 11 and coal cinder, it can
To prevent cinder and the coal cinder weight of 11 top of load receiving part from crossing senior general's protective device be collapsed.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of coal mine acquisition coalcutter protective device characterized by comprising support construction, hydraulic cylinder, first electronic stretch
Contracting bar and load-carrying members；
The hydraulic cylinder lower end is fixed on the support structure；
First electric telescopic rod is two or more, and is separately fixed in support construction；
The load-carrying members include: the load receiving part and bearing plate above the support construction；The bearing plate be two pieces and
Symmetrically it is articulated with the two sides of the load receiving part；The top slide of the load receiving part connects the scraper plate for removing cinder；
The output end of the load receiving part downside and hydraulic cylinder is fixed；
It is fixed below the bearing plate with the first electric telescopic rod upper end.
2. a kind of coal mine acquisition coalcutter protective device according to claim 1, which is characterized in that the support construction
It include: the first support plate and the second support plate；Second support plate is two pieces and is slidably socketed two in first support plate
Side, the hydraulic cylinder lower end is fixed on the support structure, and the first electric telescopic rod is fixed in the second support plate.
3. a kind of coal mine acquisition coalcutter protective device according to claim 1, which is characterized in that the load receiving part
Inside is additionally provided with the second electric telescopic rod, slide bar；
Second electric telescopic rod is fixed on the end of the load receiving part inner cavity,
The slide bar is fixedly connected with the pars contractilis of the second electric telescopic rod, and the side of the load receiving part is run through at the both ends of the slide bar
Wall, is placed in the outside of the load receiving part, and the side wall of the load receiving part opens up the sliding slot for the sliding bar；
The scraper plate is fixedly connected on the both ends of slide bar.
4. a kind of coal mine acquisition coalcutter protective device according to claim 3, which is characterized in that the two of the slide bar
End is separately connected fixed plate, and the scraper plate is fixed on the top of two fixed plates.
5. a kind of coal mine acquisition coalcutter protective device according to claim 3, which is characterized in that the load receiving part and
The fixed cushion in the top of bearing plate, the scraper plate are placed in the top of the cushion.
6. a kind of coal mine acquisition coalcutter protective device according to claim 1, which is characterized in that described first is electronic
The pars contractilis connection fixing block of telescopic rod, the other end of the fixed block are adapted to connection with the bottom of the bearing plate.
7. a kind of coal mine acquisition coalcutter protective device according to claim 2, which is characterized in that two described second
The adjacent side of support plate is respectively fixedly connected with block, and two second support plates are connected by the link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088456.0A CN109723437A (en) | 2019-01-30 | 2019-01-30 | A kind of coal mine acquisition coalcutter protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088456.0A CN109723437A (en) | 2019-01-30 | 2019-01-30 | A kind of coal mine acquisition coalcutter protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109723437A true CN109723437A (en) | 2019-05-07 |
Family
ID=66300431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088456.0A Pending CN109723437A (en) | 2019-01-30 | 2019-01-30 | A kind of coal mine acquisition coalcutter protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723437A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905500A (en) * | 2019-12-10 | 2020-03-24 | 广州力寄采矿设备有限公司 | Mine hole wall mining vehicle capable of preventing mine hole from collapsing |
| CN114570966A (en) * | 2022-04-18 | 2022-06-03 | 南京工业大学 | Adjustable is used for machining's workstation |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280933Y (en) * | 2008-09-08 | 2009-07-29 | 义马煤业(集团)有限责任公司 | Scraper bucket machine with safety protection device |
| CN202900277U (en) * | 2012-11-06 | 2013-04-24 | 神华集团有限责任公司 | Coal mining machine protection device |
| RU2522325C1 (en) * | 2013-03-19 | 2014-07-10 | Федеральное государственное бюджетное учреждение науки Институт угля Сибирского отделения Российской академии наук (ИУ СО РАН) | Installation layer cleanup bottom lining section |
| CN105221147A (en) * | 2015-08-26 | 2016-01-06 | 中国矿业大学 | A kind of coal mining machine supporting device |
| CN205315028U (en) * | 2015-12-15 | 2016-06-15 | 新汶矿业集团有限责任公司 | Hydraulic pressure supports |
| CN205743901U (en) * | 2016-03-31 | 2016-11-30 | 中国矿业大学(北京) | Digging laneway telescopic type falsework |
| CN106795765A (en) * | 2014-10-06 | 2017-05-31 | 山特维克知识产权股份有限公司 | Use the cutting equipment of cleaning plant |
| CN206448807U (en) * | 2016-08-24 | 2017-08-29 | 乌海市天裕工贸有限公司 | A kind of colliery development machine with safety device |
| CN206477847U (en) * | 2017-02-22 | 2017-09-08 | 重庆工程职业技术学院 | A kind of coal mining device guard system |
| CN206694027U (en) * | 2017-03-20 | 2017-12-01 | 郭建霖 | A kind of shield support of coal-winning machine |
| CN207332875U (en) * | 2017-10-19 | 2018-05-08 | 石长青 | A kind of coalcutter safety device for coal mining |
| US20180187548A1 (en) * | 2015-06-24 | 2018-07-05 | Manchao He | Equipment system for no-roadway no-coal-pillar retained roadway mining method |
| CN108313664A (en) * | 2018-01-21 | 2018-07-24 | 新昌县城关新胜轴承厂 | A kind of coal mine leather belt machine tail scrapes the automatic cleaning apparatus of cinder impurity |
| CN208326357U (en) * | 2018-06-22 | 2019-01-04 | 江苏佳鹿环卫装备有限公司 | A kind of garbage truck with scraper |
| CN210317304U (en) * | 2019-01-30 | 2020-04-14 | 河北工程大学 | Coal mining machine protection device for coal mine collection |
-
2019
- 2019-01-30 CN CN201910088456.0A patent/CN109723437A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280933Y (en) * | 2008-09-08 | 2009-07-29 | 义马煤业(集团)有限责任公司 | Scraper bucket machine with safety protection device |
| CN202900277U (en) * | 2012-11-06 | 2013-04-24 | 神华集团有限责任公司 | Coal mining machine protection device |
| RU2522325C1 (en) * | 2013-03-19 | 2014-07-10 | Федеральное государственное бюджетное учреждение науки Институт угля Сибирского отделения Российской академии наук (ИУ СО РАН) | Installation layer cleanup bottom lining section |
| CN106795765A (en) * | 2014-10-06 | 2017-05-31 | 山特维克知识产权股份有限公司 | Use the cutting equipment of cleaning plant |
| US20180187548A1 (en) * | 2015-06-24 | 2018-07-05 | Manchao He | Equipment system for no-roadway no-coal-pillar retained roadway mining method |
| CN105221147A (en) * | 2015-08-26 | 2016-01-06 | 中国矿业大学 | A kind of coal mining machine supporting device |
| CN205315028U (en) * | 2015-12-15 | 2016-06-15 | 新汶矿业集团有限责任公司 | Hydraulic pressure supports |
| CN205743901U (en) * | 2016-03-31 | 2016-11-30 | 中国矿业大学(北京) | Digging laneway telescopic type falsework |
| CN206448807U (en) * | 2016-08-24 | 2017-08-29 | 乌海市天裕工贸有限公司 | A kind of colliery development machine with safety device |
| CN206477847U (en) * | 2017-02-22 | 2017-09-08 | 重庆工程职业技术学院 | A kind of coal mining device guard system |
| CN206694027U (en) * | 2017-03-20 | 2017-12-01 | 郭建霖 | A kind of shield support of coal-winning machine |
| CN207332875U (en) * | 2017-10-19 | 2018-05-08 | 石长青 | A kind of coalcutter safety device for coal mining |
| CN108313664A (en) * | 2018-01-21 | 2018-07-24 | 新昌县城关新胜轴承厂 | A kind of coal mine leather belt machine tail scrapes the automatic cleaning apparatus of cinder impurity |
| CN208326357U (en) * | 2018-06-22 | 2019-01-04 | 江苏佳鹿环卫装备有限公司 | A kind of garbage truck with scraper |
| CN210317304U (en) * | 2019-01-30 | 2020-04-14 | 河北工程大学 | Coal mining machine protection device for coal mine collection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905500A (en) * | 2019-12-10 | 2020-03-24 | 广州力寄采矿设备有限公司 | Mine hole wall mining vehicle capable of preventing mine hole from collapsing |
| CN114570966A (en) * | 2022-04-18 | 2022-06-03 | 南京工业大学 | Adjustable is used for machining's workstation |
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