CN111928280B - Device and method for optimizing anti-twisting chain wheel of slag dragging machine - Google Patents
Device and method for optimizing anti-twisting chain wheel of slag dragging machine Download PDFInfo
- Publication number
- CN111928280B CN111928280B CN202010749502.XA CN202010749502A CN111928280B CN 111928280 B CN111928280 B CN 111928280B CN 202010749502 A CN202010749502 A CN 202010749502A CN 111928280 B CN111928280 B CN 111928280B
- Authority
- CN
- China
- Prior art keywords
- shaft
- chain
- shaft sleeve
- twisting
- wheel
- 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.)
- Active
Links
- 239000002893 slag Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005299 abrasion Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Escalators And Moving Walkways (AREA)
- Chain Conveyers (AREA)
Abstract
A device and a method for optimizing an anti-twisting chain wheel of a slag dragging machine. The existing hinge preventing devices are all fixed, and in the hinge preventing process, sliding friction occurs between a chain and the hinge preventing devices, so that larger mechanical abrasion is caused, the chain is lengthened, the lengths of the chains at two sides are different, or the chain is too loose, and faults such as derailment and jamming of the chain are caused. The invention comprises the following components: the hinge preventing device comprises a shaft (1), a flow guiding through hole is formed in the middle position of the shaft, grooves which are intersected with each other are formed in the shaft diameter of the right end of the shaft, a shaft sleeve (3) is sleeved on the shaft diameter, a gap of 5mm is formed between the inner diameter of the shaft sleeve and the shaft diameter, the right end face of the shaft is connected with a flange plate (2) through 4 uniformly arranged bolts (5), the middle position of the flange plate is connected with the shaft through a plug (6), a water inlet joint (4) is connected with the left end of the shaft through threads, a water inlet (7) is formed in the middle position of the shaft, the shaft sleeve is in contact with a slag dragging machine chain, and one layer of Fe-05 is welded on the outer surface of the shaft sleeve. The device is used for optimizing the anti-twisting chain wheel of the slag dragging machine.
Description
Technical field:
The invention relates to the technical field of thermal power generation, in particular to a device and a method for optimizing an anti-twisting chain wheel of a slag dragging machine.
The background technology is as follows:
The slag extractor is one of important auxiliary equipment of a thermal power plant, is matched with a cold ash bucket and a hydraulic shut-off door, ensures that a hearth is isolated from the atmosphere through a water seal, prevents air from leaking into the hearth to influence the negative pressure environment of the hearth, meets the requirement of free expansion of all directions of a boiler, is installed under the hearth of the boiler, has a severe working environment, causes abrasion of accessories of the slag extractor due to various reasons in the running process, causes chain jam or derailment of the slag extractor due to various reasons, and causes great influence on the running of the boiler due to the fault of the slag extractor;
The upper tank body of the scraper slag dragging machine is cooling water, slag in a hearth falls into the upper tank of the slag dragging machine through a cold ash bucket and a hydraulic shut-off door, is cooled and fried and then moves towards an inclined dehydration section along with a conveying scraper, and is finally discharged into a slag bin at the head end of the slag dragging machine;
In the running process, the winch faults at the head end of the slag conveyor are common, the initiation mechanism is that after a chain passes through a guide wheel, the roughness of the contact surface between the guide wheel and the chain is large due to the slag accumulation of the chain and the like, the chain cannot be separated from the guide wheel in time, and the winch faults are caused, so that the winch protection devices are additionally arranged below the hydraulic drive motor of most slag conveyors, and the occurrence probability of the winch faults is effectively reduced;
The prior art prevents that the hinge device is fixed unable rotation, this means that prevent the hinge in-process, takes place sliding friction between chain and the hinge device that prevents, this will cause great mechanical wear, reduces chain and prevent the life of hinge device, and the chain wearing and tearing will make the chain lengthen, causes both sides chain length different or the chain is too loose to cause the fault such as derailment of chain, jam, even cause dragveyer tripping operation.
The invention comprises the following steps:
the invention aims to provide an anti-hinge device for a scraper slag dragging machine, which is mainly characterized in that the anti-hinge device is improved into a rotating wheel type, sliding friction is changed into rolling friction, the mechanical abrasion of a chain and an anti-hinge chain wheel is reduced, the service life of equipment is prolonged, and the probability of failure of the chain of the slag dragging machine is reduced.
The above object is achieved by the following technical scheme:
a device for optimizing a twisting-preventing chain wheel of a slag dragging machine comprises the following components: the anti-hinging device comprises a shaft, wherein a flow guide through hole is formed in the middle of the shaft, grooves are formed in the shaft diameter of the right end of the shaft, a shaft sleeve is sleeved on the shaft diameter, a gap of 5mm is formed between the inner diameter of the shaft sleeve and the shaft diameter, the right end face of the shaft is connected with a flange through 4 uniformly arranged bolts, the middle of the flange is connected with the shaft through a plug, a water inlet connector is formed in the left end of the shaft through threaded connection, a water inlet is formed in the middle of the shaft, the shaft sleeve is in contact with a chain of a slag dragging machine, and the outer surface of the shaft sleeve is welded with a layer of Fe-05, and the thickness of the shaft sleeve is 5mm.
The device for optimizing the anti-twisting chain wheel of the slag dragging machine is characterized in that the width and the depth of the groove are 5mm, the materials of the shaft, the shaft sleeve and the flange plate are Q235, the roughness of all surfaces is 6.3, and the chamfer angle is 2 multiplied by 45 degrees.
A device and an optimization method for optimizing an anti-twisting chain wheel of a slag dragging machine comprise the following steps: firstly, a shaft sleeve is sleeved at the right end of a shaft and is fixedly connected with the shaft sleeve through flange plates by using flange bolts, a gap of 5mm exists between the shaft and the shaft sleeve, water is introduced from a water inlet of a water inlet joint at the left end of the shaft, and the water is filled in the gap between the shaft and the shaft sleeve through a diversion through hole, so that the effects of friction reduction, lubrication and cooling are achieved;
the shaft sleeve is contacted with the chain of the slag dragging machine, is driven to rotate clockwise under the action of the friction force f' of the chain, and the shaft and the flange are fixed in the process;
After the slag dragging machine chain passes through the driving motor guide wheel, the roughness of the contact surface of the guide wheel and the chain is large due to slag accumulation of the chain, the chain and the guide wheel cannot be separated from contact in time, at the moment, the chain contacts with the anti-twisting chain wheel, the anti-twisting chain wheel gives the supporting force F in the vertical direction to the chain, the chain is separated from contact with the driving motor guide wheel, the chain is prevented from being further engaged with the driving motor guide wheel to rotate, and further, due to movement of the chain, a friction force in the direction of obliquely downward, namely the direction of movement of the chain, is generated on the anti-twisting chain wheel, the friction force F' of the chain on the anti-twisting chain wheel drives the shaft sleeve to rotate, the shaft and the flange plate are fixed, the rolling friction is substantially static friction force, so that the mechanical abrasion of the chain and the anti-twisting chain wheel is reduced, and the service life of equipment is prolonged.
The beneficial effects are that:
1. The invention relates to an optimization method for an anti-hinge device of a scraper type slag dragging machine, which is characterized in that the anti-hinge device is optimized and improved into a rotating wheel type, namely sliding friction is improved into rolling friction, so that the mechanical abrasion of a chain and an anti-hinge chain wheel is reduced, the service life of equipment is prolonged, and the probability of faults of the chain of the slag dragging machine is reduced.
The structure provided by the invention has the advantages that the connecting structure of the anti-twisting chain wheel part means that the shaft sleeve is used as a moving element and can be used as an accessory for easy replacement, the structure is simple and convenient to replace, and the shaft and the flange plate are fixed elements and are not easy to damage, so that the structure prolongs the service life of equipment, and the equipment economy is strong.
The anti-hinge wheel is convenient to install, simple to operate and easy to replace accessories, friction force is reduced after sliding friction is changed into rolling friction, pulling force required by rotation of a chain of the slag conveyor is reduced, namely, the output force of a hydraulic motor is reduced, power consumption is reduced, and the economical efficiency of equipment is improved.
The hinge preventing device changes the structure of a fixed hinge preventing device in the market, and the rolling hinge preventing chain wheel with a shaft connected with a shaft sleeve is designed, so that the friction between the hinge preventing device and a chain is improved from sliding friction to rolling friction, thereby reducing the mechanical abrasion of the chain and the hinge preventing chain wheel and prolonging the service life of equipment.
According to the invention, water is introduced into the central water guide groove of the shaft and is filled between the shaft and the shaft sleeve, so that the friction force between the shaft and the shaft sleeve is reduced, the abrasion of accessories is reduced, the shaft sleeve and the shaft are prevented from locking, the hinge wheel preventing device is mainly assembled by three accessories, the structure is simple, the installation and the disassembly are convenient, the accessories are easy to replace, and the economy is good.
According to the invention, after the sliding friction between the chain and the anti-hinge device is changed into rolling friction, the friction resistance is reduced, the pulling force required by the rotation of the chain of the slag dragging machine is reduced, namely the output of a hydraulic motor is reduced, the power consumption is reduced, and the economical efficiency of equipment is improved.
The invention sets the joint of the shaft and the shaft sleeve as the mutually crossed grooves, and sets the width and depth of the grooves to be 5mm, thereby effectively ensuring sufficient lubrication between the shaft and the shaft sleeve and ensuring that the shaft sleeve rotates flexibly without jamming.
The surface of the shaft sleeve is welded with the Fe-05 layer, the thickness is 5mm, wherein the Fe-05 is a special wear-resistant surfacing electrode, the hardness is high, the wear resistance and the impact resistance are high, the manufacturability is good, the service life of the shaft sleeve can be prolonged, and the working quality of the anti-hinging device is ensured.
The structure of the invention can effectively solve the problem that when the flushing water of the chain fails (the water flow is too small, no water or water is deflected), the accumulated ash slag on the chain is more, so that the chain and the guide wheel of the driving motor can not be separated in time frequently, and the anti-hinge wheel can reach the optimal use state.
The structure of the invention can effectively solve the problem that when the slag in the hearth is more (the coal quality is poor or the load is high), the output of the slag dragging machine is also larger, and the chain resistance is required to be reduced at the moment.
Description of the drawings:
fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a left side view of fig. 1.
Figure 3 is a force diagram of the present invention.
Fig. 4 is a schematic diagram of the head end structure of the slag conveyor of the present invention.
Fig. 5 is a schematic view of the structure of the jamming part of the chain of the present invention.
Wherein: 1. the device comprises a shaft, 2, a flange plate, 3, a shaft sleeve, 4, a water inlet connector, 5, a bolt, 6, a plug, 7 and a water inlet.
The specific embodiment is as follows:
Example 1:
A device for optimizing a twisting-preventing chain wheel of a slag dragging machine comprises the following components: the anti-hinging device comprises a shaft 1, wherein a flow guide through hole is formed in the middle of the shaft, grooves which are intersected with each other are formed in the shaft diameter at the right end of the shaft, a shaft sleeve 3 is sleeved on the shaft diameter, a gap of 5mm is formed between the inner diameter of the shaft sleeve and the shaft diameter, the right end face of the shaft is connected with a flange plate 2 through 4 uniformly arranged bolts 5, the middle of the flange plate is connected with the shaft through a screw plug 6, a water inlet joint 4 is formed in the left end of the shaft through a thread connection, a water inlet 7 is formed in the middle of the shaft, the shaft sleeve is in contact with a slag dragging machine chain, and an Fe-05 layer is welded on the outer surface of the shaft sleeve, and the thickness of the shaft sleeve is 5mm.
Example 2:
according to the device for optimizing the anti-twisting chain wheel of the slag conveyor in the embodiment 1, the width and the depth of the groove are 5mm, the materials of the shaft, the shaft sleeve and the flange plate are Q235, all the surface roughness is 6.3, and the chamfer angle is 2 multiplied by 45 degrees.
Example 3:
The device and the optimizing method for optimizing the anti-twisting chain wheel of the slag dragging machine according to the embodiment 1-2 comprise the following steps: firstly, a shaft sleeve is sleeved at the right end of a shaft and is fixedly connected with the shaft sleeve through flange plates by using flange bolts, a gap of 5mm exists between the shaft and the shaft sleeve, water is introduced from a water inlet of a water inlet joint at the left end of the shaft, and the water is filled in the gap between the shaft and the shaft sleeve through a diversion through hole, so that the effects of friction reduction, lubrication and cooling are achieved;
the shaft sleeve is contacted with the chain of the slag dragging machine, is driven to rotate clockwise under the action of the friction force f' of the chain, and the shaft and the flange are fixed in the process;
After the slag dragging machine chain passes through the driving motor guide wheel, the roughness of the contact surface of the guide wheel and the chain is large due to slag accumulation of the chain, the chain and the guide wheel cannot be separated from contact in time, at the moment, the chain contacts with the anti-twisting chain wheel, the anti-twisting chain wheel gives the supporting force F in the vertical direction to the chain, the chain is separated from contact with the driving motor guide wheel, the chain is prevented from being further engaged with the driving motor guide wheel to rotate, and further, due to movement of the chain, a friction force in the direction of obliquely downward, namely the direction of movement of the chain, is generated on the anti-twisting chain wheel, the friction force F' of the chain on the anti-twisting chain wheel drives the shaft sleeve to rotate, the shaft and the flange plate are fixed, the rolling friction is substantially static friction force, so that the mechanical abrasion of the chain and the anti-twisting chain wheel is reduced, and the service life of equipment is prolonged.
Technical requirements for components:
(1) The shaft material is 35# steel;
(2) The width and depth of the shaft water guide groove are 5mm;
(3) The flange plate is made of Q235;
(4) The material of the shaft sleeve is Q235;
(5) The high-strength bolts are in M16×40 4 sleeves and M12×401 sleeves;
(6) The water inlet connecting joint is an M12 phi 8 oxygen pipe joint;
(7) The outer surface of the shaft sleeve is welded with a layer of Fe-05, and the thickness is 5mm;
(8) The surface roughness of all parts is 6.3, and the chamfer angle is 2 multiplied by 45 degrees;
(9) The reinforcement welding foot 4 block is provided (the specific dimensions are depending on the actual situation).
Claims (2)
1. An optimization method for optimizing a device for preventing a chain wheel of a slag conveyor, the device for optimizing the chain wheel of the slag conveyor comprises the following steps: the anti-hinge device is characterized in that: the hinge preventing device comprises a shaft, wherein a flow guiding through hole is formed in the middle of the shaft, grooves which are intersected with each other are formed in the shaft diameter at the right end of the shaft, a shaft sleeve is sleeved on the shaft diameter, a gap of 5mm is formed between the inner diameter of the shaft sleeve and the shaft diameter, the right end face of the shaft is connected with a flange through 4 uniformly arranged bolts, the middle of the flange is connected with the shaft through a plug, a water inlet connector is connected with the left end of the shaft through threads, a water inlet is formed in the middle of the shaft, the shaft sleeve is in contact with a chain of a slag dragging machine, and the outer surface of the shaft sleeve is welded with a layer of Fe-05, and the thickness of the shaft sleeve is 5mm;
the optimization method of the device for optimizing the anti-twisting chain wheel of the slag dragging machine comprises the following steps: firstly, a shaft sleeve is sleeved at the right end of a shaft and is fixedly connected with the shaft sleeve through flange plates by using flange bolts, a gap of 5mm exists between the shaft and the shaft sleeve, water is introduced from a water inlet of a water inlet joint at the left end of the shaft, and the water is filled in the gap between the shaft and the shaft sleeve through a diversion through hole, so that the effects of friction reduction, lubrication and cooling are achieved;
the shaft sleeve is contacted with the chain of the slag dragging machine, is driven to rotate clockwise under the action of the friction force f' of the chain, and the shaft and the flange are fixed in the process;
After the slag dragging machine chain passes through the driving motor guide wheel, the roughness of the contact surface of the guide wheel and the chain is large due to slag accumulation of the chain, the chain and the guide wheel cannot be separated from contact in time, at the moment, the chain contacts with the anti-twisting chain wheel, the anti-twisting chain wheel gives the supporting force F in the vertical direction to the chain, the chain is separated from contact with the driving motor guide wheel, the chain is prevented from being further engaged with the driving motor guide wheel to rotate, and further, due to movement of the chain, a friction force in the direction of obliquely downward, namely the direction of movement of the chain, is generated on the anti-twisting chain wheel, the friction force F' of the chain on the anti-twisting chain wheel drives the shaft sleeve to rotate, the shaft and the flange plate are fixed, the rolling friction is substantially static friction force, so that the mechanical abrasion of the chain and the anti-twisting chain wheel is reduced, and the service life of equipment is prolonged.
2. The optimization method of the device for optimizing the anti-twisting chain wheel of the slag conveyor according to claim 1, wherein the device is characterized in that: the width and depth of the groove are 5mm, the materials of the shaft, the shaft sleeve and the flange plate are Q235, the roughness of all surfaces is 6.3, and the chamfer angle is 2 multiplied by 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749502.XA CN111928280B (en) | 2020-07-30 | 2020-07-30 | Device and method for optimizing anti-twisting chain wheel of slag dragging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749502.XA CN111928280B (en) | 2020-07-30 | 2020-07-30 | Device and method for optimizing anti-twisting chain wheel of slag dragging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111928280A CN111928280A (en) | 2020-11-13 |
| CN111928280B true CN111928280B (en) | 2024-04-26 |
Family
ID=73315867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010749502.XA Active CN111928280B (en) | 2020-07-30 | 2020-07-30 | Device and method for optimizing anti-twisting chain wheel of slag dragging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111928280B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189910936A (en) * | 1899-05-25 | 1900-03-31 | James Frederick Copley | Improvements in Machines for Mercerising Hanks of Yarn. |
| CN2181626Y (en) * | 1993-07-28 | 1994-11-02 | 青岛四洲锅炉设备有限公司 | Scraper slag fishing machine |
| CN2663825Y (en) * | 2003-12-01 | 2004-12-15 | 洛阳市宝环非标准设备制造有限公司 | Push-pull type bearing external guide wheel assembly for cinder taking-out machine |
| CN201218510Y (en) * | 2008-05-07 | 2009-04-08 | 聂树广 | Novel rolling type scraping plate slag picking apparatus |
| CN203248724U (en) * | 2013-05-24 | 2013-10-23 | 青岛昕冉环保设备有限公司 | Bearing built-in underwater guide wheel |
| CN204084414U (en) * | 2014-09-25 | 2015-01-07 | 大唐信阳发电有限责任公司 | A kind of dragveyer chain gear apparatus of anti-sprocket wheel tape |
| CN105063370A (en) * | 2015-07-15 | 2015-11-18 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Submerged slag conveyor |
| CN205807444U (en) * | 2016-06-29 | 2016-12-14 | 大唐华银电力股份有限公司耒阳分公司 | A kind of submerged slag conveyor |
| KR20170128755A (en) * | 2016-05-13 | 2017-11-23 | 칭다오 다넹 인바이런멘틀 프로텍션 이큅먼트 인코포레이티드 컴퍼니 | Hoper scale dry slag conveyor system |
| CN208058876U (en) * | 2017-12-30 | 2018-11-06 | 青岛萌佳机械制造有限公司 | Submerged slag conveyor |
| CN109838802A (en) * | 2019-02-28 | 2019-06-04 | 北京航化节能环保技术有限公司 | A kind of shield chain dragveyer of formula next time of wide adaptability |
| CN209160660U (en) * | 2018-11-26 | 2019-07-26 | 青岛昕冉环保设备有限公司 | Button type clamper and its scraper plate |
| CN110424350A (en) * | 2019-07-17 | 2019-11-08 | 武汉圣禹排水系统有限公司 | A kind of debris retaining device for dragging dregs |
| WO2020007369A1 (en) * | 2018-07-06 | 2020-01-09 | 刘素华 | Fully rotating frictional chained plate pulley material feeder |
-
2020
- 2020-07-30 CN CN202010749502.XA patent/CN111928280B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189910936A (en) * | 1899-05-25 | 1900-03-31 | James Frederick Copley | Improvements in Machines for Mercerising Hanks of Yarn. |
| CN2181626Y (en) * | 1993-07-28 | 1994-11-02 | 青岛四洲锅炉设备有限公司 | Scraper slag fishing machine |
| CN2663825Y (en) * | 2003-12-01 | 2004-12-15 | 洛阳市宝环非标准设备制造有限公司 | Push-pull type bearing external guide wheel assembly for cinder taking-out machine |
| CN201218510Y (en) * | 2008-05-07 | 2009-04-08 | 聂树广 | Novel rolling type scraping plate slag picking apparatus |
| CN203248724U (en) * | 2013-05-24 | 2013-10-23 | 青岛昕冉环保设备有限公司 | Bearing built-in underwater guide wheel |
| CN204084414U (en) * | 2014-09-25 | 2015-01-07 | 大唐信阳发电有限责任公司 | A kind of dragveyer chain gear apparatus of anti-sprocket wheel tape |
| CN105063370A (en) * | 2015-07-15 | 2015-11-18 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Submerged slag conveyor |
| KR20170128755A (en) * | 2016-05-13 | 2017-11-23 | 칭다오 다넹 인바이런멘틀 프로텍션 이큅먼트 인코포레이티드 컴퍼니 | Hoper scale dry slag conveyor system |
| CN205807444U (en) * | 2016-06-29 | 2016-12-14 | 大唐华银电力股份有限公司耒阳分公司 | A kind of submerged slag conveyor |
| CN208058876U (en) * | 2017-12-30 | 2018-11-06 | 青岛萌佳机械制造有限公司 | Submerged slag conveyor |
| WO2020007369A1 (en) * | 2018-07-06 | 2020-01-09 | 刘素华 | Fully rotating frictional chained plate pulley material feeder |
| CN209160660U (en) * | 2018-11-26 | 2019-07-26 | 青岛昕冉环保设备有限公司 | Button type clamper and its scraper plate |
| CN109838802A (en) * | 2019-02-28 | 2019-06-04 | 北京航化节能环保技术有限公司 | A kind of shield chain dragveyer of formula next time of wide adaptability |
| CN110424350A (en) * | 2019-07-17 | 2019-11-08 | 武汉圣禹排水系统有限公司 | A kind of debris retaining device for dragging dregs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111928280A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210001014U (en) | kinds of chain wheel with changeable teeth | |
| CN202163832U (en) | Chain wheel shaft component of scraper conveyor | |
| CN111928280B (en) | Device and method for optimizing anti-twisting chain wheel of slag dragging machine | |
| CN201981562U (en) | Connection structure of shovel bucket and bucket rod | |
| CN203784236U (en) | Transmission structure of oil residue scraper plate | |
| CN2783005Y (en) | Mechanical seal part for coal slurry pump | |
| CN201545461U (en) | Conveying chain guide mechanism of hoeing machine | |
| CN202828734U (en) | Scraper ash removing machine for fine ash delivery of coal-fired boiler | |
| CN101349265B (en) | Concrete delivery pump adjustable double-layer seal assembly | |
| CN214118779U (en) | Dovetail groove installation type wear-resistant key bar of power head of rotary drilling rig | |
| Chen et al. | Study on wear of scraper conveyor chute | |
| CN202301466U (en) | Bottom bearing sealing device for scraping plate type coal boiler slag discharging machine | |
| CN109578726B (en) | Expansion joint for filling pipeline | |
| CN220578185U (en) | Split type chain wheel and chain wheel shaft assembly of scraper conveyor | |
| CN201561432U (en) | Dry-type deslagging system | |
| CN207015898U (en) | A kind of outer rotation cleaner with lubricating arrangement | |
| CN2748175Y (en) | High strength abrasion-resistant material bucket | |
| CN201412477Y (en) | Power drag chain | |
| CN219473698U (en) | Slag dragging machine with chain pressing device | |
| CN201885243U (en) | Slag extractor with movable bottom shaft | |
| CN217023737U (en) | Novel belt feeder hopper prevent blockking up device | |
| CN101362552A (en) | Support scratch board for conveying equipment of coal mine work area | |
| CN205778893U (en) | Shield machine is with detachable abrasion-resistance screw conveyor blade | |
| CN218993431U (en) | Driving device of scraper slag dragging machine | |
| KR100441918B1 (en) | Jaw crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |