CN101021152A - buffer feeder - Google Patents
buffer feeder Download PDFInfo
- Publication number
- CN101021152A CN101021152A CN 200710013754 CN200710013754A CN101021152A CN 101021152 A CN101021152 A CN 101021152A CN 200710013754 CN200710013754 CN 200710013754 CN 200710013754 A CN200710013754 A CN 200710013754A CN 101021152 A CN101021152 A CN 101021152A
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- Prior art keywords
- scraper chain
- chain
- scraper
- wire rope
- storing box
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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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- 239000000463 material Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000007790 scraping Methods 0.000 description 5
- 238000012384 transportation and delivery Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to a conveying device, and particularly relates to a buffer feeder used in roadway excavation. The buffer feeder is characterized in that the storage box is provided with a feeding mechanism and a feeding mechanism, and the feeding mechanism consists of a scraper chain driving wheel, a scraper chain driven wheel, a scraper chain tensioning wheel, a scraper chain rotating around the storage box and a scraper chain up-and-down driving mechanism. The invention has the advantages of convenient installation, disassembly and maintenance and improves the excavation efficiency of the roadway, and can be widely applied to the field of material conveying in roadway excavation.
Description
Technical field
The invention belongs to conveying device, be specifically related to a kind of as the damping feed machine in the roadway excavation.
Background technology
Feeder is the down-hole that is widely used in the colliery at present, a kind of conveying equipment in the tunnel, generally be located between roadway excavation equipment and the postorder material transport equipment, therefore the conveying capacity of feed is played the effect of key for the excavation efficient of whole tunnel, present widely used feeder generally is a reciprocating feeder, spiral flood dragon formula feeder, oscillating feeder, the scraper feeder type, the feeder of above-mentioned type all exists the too small problem of conveying capacity with respect to roadway excavation equipment, present solution is to use many feeders to solve this problem in the tunnel simultaneously, but be limited to requirement of engineering, cost, the influence of various factors such as geology, height of tunnel and width have certain restriction, the feeder limited amount that can put simultaneously in the tunnel, therefore it is little to develop a kind of floor space, and the feeder that conveying capacity is big is those skilled in the art of the present technique's a research topic always.
Summary of the invention
The purpose of this invention is to provide a kind of raising roadway excavation efficient, reduce transportation system's energy consumption and wearing and tearing, be used to mate the damping feed machine of roadway excavation equipment and postorder material transport equipment.
The present invention is achieved through the following technical solutions:
It is a kind of damping feed machine, comprise the chassis that has supporting leg, be installed in the material-storing box on the chassis, it is characterized in that material-storing box is provided with material loading, feeder, described material loading, feeder are made up of driving mechanism about the scraper chain driving wheel that is installed in the material-storing box end, scraper chain driven pulley, scraper chain regulating wheel, the scraper chain that centers on the material-storing box rotation, the scraper chain.
The scraper chain driving wheel is installed in the top of material-storing box discharge end, one end of scraper chain driven pulley installation chassis, the other end on chassis is equipped with the scraper chain regulating wheel, the scraper chain regulating wheel can move left and right, adjust the rate of tension of chain, the scraper chain driving wheel is installed in the top of material-storing box discharge end, help and following preface conveying equipment such as mine car, cooperations such as conveyer belt, scraper chain is made up of the chain of closure and the scraper plate that is installed between the chain, the scraper limit of scraper plate is dentation and tilts to traffic direction, be beneficial to scraper plate incision material, strengthened mass transport ability of the present invention.
The material-storing box side plate can concentrate on material the middle part of material-storing box base plate to intermediate, inclined, makes things convenient for scraper chain that mass transport is gone out.
For the ease of installing/dismounting of the present invention and carrying, material-storing box and chassis are integral structure, and adopt the mode of segmentation assembling to install.
The supporting leg on chassis is provided with the scraper plate slideway of symmetrical distribution, can prevent that scraper chain is because of vertical the falling to the ground of conducting oneself with dignity, produce wearing and tearing, the scraper chain driving wheel can use hydraulic motor or motor-reductor system control, and the scraper chain regulating wheel can use hydraulic cylinder to control.
Scraper chain among the present invention driving mechanism up and down is made up of scraper chain clamper, haulage cable, wire rope head roll, wire rope driven pulley, the combination of wire rope head roll and haulage cable has multiple mode, as can being that the quantity of wire rope head roll is two, be installed in the middle part on chassis of the bottom of material-storing box discharge end, two wire rope head rolls adopt same drive mechanism; The quantity of wire rope changed course pulley is 6, and 2 both sides that are symmetrically distributed in the top of material-storing box storage end wherein remain on 4 chassis that are symmetrically distributed in two wire rope head roll both sides; The quantity of haulage cable is 1, and haulage cable is connected with the scraper chain clamper, and haulage cable passes the base plate of material-storing box and walks around each wire rope changed course pulley, the more closed continuous rope that forms in positive and negative winding back on two wire rope head rolls; The quantity that also can be the wire rope head roll is 2, and symmetry is installed in the both sides on chassis of the bottom of material-storing box discharge end, and two wire rope head rolls adopt different drive mechanism and keep synchronously; The quantity of wire rope changed course pulley is 2, is symmetrically distributed in the both sides of the top of material-storing box storage end; The quantity of haulage cable is two, is connected with the scraper chain clamper, and the base plate that passes material-storing box is respectively walked around the wire rope changed course pulley of homonymy, and the wire rope head roll forms the closed-loop path.Above-described head roll can use hydraulic motor or motor-reductor to make up and control, and by above setting, can realize that the scraper chain up-down drive device controls the upper-lower position of the scraper chain in the material-storing box.
According to different working environments, the scraper chain clamper can be made up of scraper chain holder chain slide block and scraper chain pressing sprocket, is provided with spring between scraper chain holder chain slide block and the scraper chain pressing sprocket; Also can press the chain slide block to form by scraper chain holder chain slide block and scraper chain, scraper chain holder chain slide block and scraper chain are pressed between the chain slide block and are provided with spring, haulage cable and scraper chain pressing sprocket or be connected and drive the motion of scraper chain clamper, the chain that being provided with of spring can make scraper chain is clamped in the middle of the scraper chain clamper by firm, in order to guarantee application life, scraper chain pressing sprocket, scraper chain holder chain slide block and scraper chain press the chain slide block all to adopt high-abrasive material to make.
The present invention has to be convenient to install, dismantle, and is convenient to safeguard, has improved the advantage of roadway excavation efficient.The chassis makes of structural metallic materials among the present invention, and supporting leg is established in its underpart, and material-storing box etc. is installed on its top, and chassis and material-storing box can be integral structure, but installs for ease of transportation, and chassis and material-storing box segmentation are made, and assemble with bolt at the scene; Material-storing box engineering material had not only been made material container but also had been made the fixed support of other mechanism, and material adds and is given on the postorder conveying equipment from discharge end from the material-storing box storage end; The equipment that adds material can be belt conveyor or drag conveyor etc., and subsequent transportation equipment can be belt conveyor, drag conveyor or mine car etc.; Material loading, feeder collection material loading, two functions of feed, reduced system energy consumption, scraper chain in material loading state material-storing box is in high-order operation, the material scraping delivery that constantly will be added to the material-storing box storage end is to the material-storing box other parts, scraper chain returns from the material-storing box bottom, when being in the feed state, scraper chain in the material-storing box scraper chain under driving mechanism drives up and down constantly by a high position to the low level transition, the material of storing in the material-storing box is constantly exported to discharge end by the scraper plate scraping delivery, finish the feed of downward preface conveying equipment, repeat above process and reach the buffering feed coupling effect of preface conveying equipment up and down, improved roadway excavation efficient, and in whole process, has only scraper plate, haulage cable, material-storing box contacts with material, greatly reduce the wearing and tearing of system, scraper chain among the present invention, the scraper chain driving wheel, the scraper chain driven pulley, the scraper chain regulating wheel, the wire rope head roll, the wire rope bend wheel all uses standard component, is convenient to safeguard that the present invention can be widely used in the mass transport field in the roadway excavation.
Description of drawings
Structural representation when Fig. 1 is in a high position for the scraper chain in the material-storing box among the present invention;
Structural representation when Fig. 2 is in low level for the scraper chain in the material-storing box among the present invention;
Fig. 3 is the A-A sectional view among Fig. 1;
Fig. 4 is the B-B sectional view among Fig. 1;
Structural representation when Fig. 5 adopts scraper chain to press the chain slide block for scraper chain clamper of the present invention;
A-A schematic diagram when Fig. 6 adopts two haulage cables independently head roll is connected with two for the present invention.
As shown in FIG.: 1-material-storing box, 2-chassis, 2.1-supporting leg, 2.1.1-the scraper plate slideway, the 3-material loading, feeder, 3.1-scraper chain driving wheel, 3.2-the scraper chain regulating wheel, 3.3-scraper chain bend wheel, 3.4-scraper chain, the driving mechanism 3.4.1-chain, 3.4.2-scraper plate, 4-scraper chain move up and down, 4.1-the scraper chain pressing sprocket, 4.2-scraper chain holder chain slide block, 4.3-wire rope changed course pulley, 4.4-wire rope changed course pulley, 4.5-wire rope changed course pulley, 4.6-wire rope head roll, 4.7-wire rope head roll, 4.8-wire rope changed course pulley, 4.9-wire rope changed course pulley, 4.10-material-storing box wire rope passes through the hole, 4.11-wire rope changed course pulley, 4.12-haulage cable, 4.13-haulage cable, 5-material, 6-mine car, the 7-feeding belt, the 8-tunnel, the 9-spring, the 10-scraper chain is pressed the chain slide block, 11-wire rope head roll, 12-wire rope head roll.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, damping feed machine is made up of material-storing box 1, chassis 2, material loading, feeder 3;
Material-storing box 1 is used to store material 5, and storage end accepts to go up the material 5 that preface haulage device conveyor 7 is supplied with, and discharge end outputting material 5 is to following preface haulage device mine car 6; Material-storing box 1 is put along roadway direction, and chassis 2 is laid in material-storing box 1 bottom, and material-storing box 1 is structure as a whole with chassis 2, and chassis 2 and material-storing box 1 also are used for other mechanism of support fixation, and chassis 2 is established supporting leg 2.1 and supported, and establishes scraper chain scraper plate slideway 2.1.1 on supporting leg 2.1; Consider transportation, installation, maintenance conveniently, material-storing box 1 and chassis 2 should be designed to the form of segmentation assembling.
The scraper chain driving mechanism 4 that moves up and down is used to control and adjusts the upper-lower position of scraper chain 3.4 in material-storing box 1, by scraper chain pressing sprocket 4.1, scraper chain holder chain slide block 4.2, wire rope changed course pulley 4.3, wire rope changed course pulley 4.4, wire rope changed course pulley 4.5, wire rope head roll 4.6, wire rope head roll 4.7, wire rope changed course pulley 4.8, wire rope changed course pulley 4.9, wire rope changed course pulley 4.11, haulage cable 4.12 are formed; Scraper chain pressing sprocket 4.1 and scraper chain holder chain slide block 4.2 are fixed together, drive by haulage cable 4.12, scraper chain pressing sprocket 4.1 and scraper chain holder chain slide block 4.2 and drive scraper chain 3.4 motions with scraper chain 3.4 clampings therebetween, and scraper chain holder chain slide block 4.2 adopts the high-abrasive material manufacturings; Be the wearing clearance between compensation scraper chain pressing sprocket 4.1 and the chain 3.4.1, mechanisms such as available chute or swing arm make scraper chain pressing sprocket 4.1 move relative to holder chain slide block 4.2, produce thrust with spring 9 on it, guarantee that scraper chain 3.4 reliably is clamped between scraper chain pressing sprocket 4.1 and the scraper chain holder chain slide block 4.2; As shown in Figure 3, haulage cable 4.12 is walked around each wire rope changed course pulley, again at wire rope head roll 4.6, the closed continuous rope that forms in positive and negative winding back on the wire rope head roll 4.7, should establish tensioning apparatus such as positive and negative screw-button etc. in haulage cable 4.12 appropriate locations, wire rope head roll 4.6, wire rope head roll 4.7 can be fixed on the central axis by hydraulic motor or motor deceleration machine driven rotary, wire rope head roll 4.6, wire rope head roll 4.7 rotation drives haulage cables 4.12, and press among Fig. 3 direction shown in the arrow positive and negative mobile, haulage cable 4.12 drives scraper chain pressing sprocket 4.1 again and scraper chain holder chain slide block 4.2 moves, haulage cable 4.12 need pass the bin movement of material 5 and material-storing box 1 at work, so need select for use wear-resisting, anti-lay winding wire ropes.
The course of work of the present invention is as follows:
Material loading process: suppose material 5 emptying in the material-storing box 1 of the present invention, feeding belt 7 is transported to material-storing box 1 storage end with material 5, scraper chain 3.4 in the material-storing box 1 is in high-order operation, material 5 is constantly stored to material-storing box 1 other parts by scraper plate 3.4.2 scraping delivery, be full of the space that is surrounded by scraper chain 3.4 and material-storing box 1 two side and base plate up to material 5, should stop feed this moment earlier, stops scraper chain 3.4 operations again, as all not out of service, material 5 will be from the discharge end output of material-storing box 1.
Feed process: scraper chain 3.4 running under scraper chain driving wheel 3.1 drives, material-storing box 1 inside strake chain 3.4 is under scraper chain moves up and down the traction of driving mechanism 4, move to low level by a high position, in material 5 is constantly packed into following preface conveying equipment mine car 6 by scraper plate 3.4.2 scraping delivery to discharge end in the material-storing box 1, it is out of service to fill the 6 back the present invention of a mine car, open the present invention again after next mine car 6 puts in place and continue feed, run to as shown in Figure 2 lowest order up to scraper chain 3.4, material 5 all provides in the material-storing box 1, this moment scraper chain 3.4 should be under scraper chain moves up and down the traction of driving mechanism 4 a fast return high position, continue or shut down and wait for the feed of going up the preface conveying equipment; Repeat above process and reach the buffering feed coupling effect of preface conveying equipment up and down;
Operation process of the present invention need be formulated according to on-site actual situations, material-storing box 1 biside plate is to intermediate, inclined, be for material 5 can be slipped in the scraper plate 3.4.2 range of operation, with the material 5 in the thorough emptying material-storing box 1, the angle of inclination of material-storing box 1 biside plate bottom should guarantee that material 5 can glide smoothly; According to general tunnel 8 situation is set, integral body of the present invention should be cuboid, and all component arrange on one side along tunnel 8 that as far as possible the outline line in tunnel 8 is signal among the figure, should determine according to field condition when specifically implementing.
As shown in Figure 5: middle scraper chain clamper of the present invention presses chain slide block 10 and scraper chain holder chain slide block 4.2 to form by scraper chain, and scraper chain is pressed between chain slide block 10 and the scraper chain holder chain slide block 4.2 and is provided with spring 9, and other is with embodiment 1.
As shown in Figure 6: middle scraper chain of the present invention moves up and down driving mechanism 4 by scraper chain pressing sprocket 4.1, and scraper chain holder chain slide block 4.2, wire rope changed course pulley 4.3, wire rope changed course pulley 4.11, wire rope head roll 11, wire rope head roll 12, haulage cable 4.12, haulage cable 4.13 are formed; Wire rope head roll 11 is driven by different drive units respectively with wire rope head roll 12, haulage cable 4.12 forms the closed-loop path around wire rope changed course pulley 4.3 and wire rope head roll 12, and haulage cable 4.13 forms the closed-loop path around wire rope changed course pulley 4.11 and wire rope head roll 11.During use, guarantee that two head rolls keep rotating synchronously getting final product, other are with embodiment 1.
As Fig. 5, shown in Figure 6: middle scraper chain clamper of the present invention presses chain slide block 10 and scraper chain holder chain slide block 4.2 to form by scraper chain, is provided with spring 9 between scraper chain pressure chain slide block 10 and the scraper chain holder chain slide block 4.2; Scraper chain moves up and down driving mechanism 4 by scraper chain pressing sprocket 4.1, and scraper chain holder chain slide block 4.2, wire rope changed course pulley 4.3, wire rope changed course pulley 4.11, wire rope head roll 11, wire rope head roll 12, haulage cable 4.12, haulage cable 4.13 are formed; Wire rope head roll 11 is driven by different drive units respectively with wire rope head roll 12, haulage cable 4.12 forms the closed-loop path around wire rope changed course pulley 4.3 and wire rope head roll 12, and haulage cable 4.13 forms the closed-loop path around wire rope changed course pulley 4.11 and wire rope head roll 11.During use, guarantee that two head rolls keep rotating synchronously getting final product, other are with embodiment 1.
The present invention is not limited to above embodiment, replaces as the also available loop chain of haulage cable.
Claims (10)
1, a kind of damping feed machine, comprise the chassis that has supporting leg, be installed in the material-storing box on the chassis, it is characterized in that being provided with in the material-storing box material loading, feeder, described material loading, feeder are made up of driving mechanism about the scraper chain driving wheel that is installed in the material-storing box two ends, scraper chain driven pulley, scraper chain regulating wheel, the scraper chain that centers on the material-storing box rotation and the scraper chain.
2, damping feed machine according to claim 1, it is characterized in that the scraper chain driving wheel is installed in the top of material-storing box discharge end, the scraper chain driven pulley is installed in an end on chassis, the other end on chassis is equipped with the scraper chain regulating wheel, scraper chain is made up of the chain of closure and the scraper plate that is installed between the chain, and the scraper limit of scraper plate is dentation and tilts to traffic direction.
3, damping feed machine according to claim 2, the side plate that it is characterized in that material-storing box is to intermediate, inclined.
4, damping feed machine according to claim 3 is characterized in that material-storing box and chassis are integral structure, the segmentation assembling.
5, damping feed machine according to claim 4 is characterized in that the supporting leg on chassis is provided with the scraper plate slideway of symmetrical distribution.
6, according to claim 1 or 2 or 3 or 4 or 5 described damping feed machines, it is characterized in that scraper chain up and down driving mechanism form by scraper chain clamper, haulage cable, wire rope head roll, wire rope changed course pulley.
7, damping feed machine according to claim 6 is characterized in that the quantity of wire rope head roll is two, is installed in the middle part on chassis of the bottom of material-storing box discharge end, and two wire rope head rolls adopt same drive mechanism; The quantity of wire rope changed course pulley is 6, and 2 both sides that are symmetrically distributed in the top of material-storing box storage end wherein remain on 4 chassis that are symmetrically distributed in two wire rope head roll both sides; The quantity of haulage cable is 1, and haulage cable is connected with the scraper chain clamper, and haulage cable passes the base plate of material-storing box and walks around each wire rope changed course pulley, the more closed continuous rope that forms in positive and negative winding back on two wire rope head rolls.
8, damping feed machine according to claim 6, the quantity that it is characterized in that the wire rope head roll is 2, symmetry is installed in the both sides on chassis of the bottom of material-storing box discharge end, and two wire rope head rolls adopt different drive mechanism and keep synchronously; The quantity of wire rope changed course pulley is 2, is symmetrically distributed in the both sides of the top of material-storing box storage end; The quantity of haulage cable is two, is connected with the scraper chain clamper, and the base plate that passes material-storing box is respectively walked around the wire rope changed course pulley of homonymy, and the wire rope head roll forms the closed-loop path.
9, according to claim 7 or 8 described damping feed machines, it is characterized in that described scraper chain clamper is made up of scraper chain holder chain slide block and scraper chain pressing sprocket, be provided with spring between scraper chain holder chain slide block and the scraper chain pressing sprocket, the scraper chain pressing sprocket is connected with haulage cable.
10, according to claim 7 or 8 described damping feed machines, it is characterized in that described scraper chain clamper presses the chain slide block to form by scraper chain holder chain slide block and scraper chain, scraper chain holder chain slide block and scraper chain are pressed between the chain slide block and are provided with spring, and scraper chain presses the chain slide block to be connected with haulage cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100137540A CN101021152B (en) | 2007-03-07 | 2007-03-07 | Damping feed machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100137540A CN101021152B (en) | 2007-03-07 | 2007-03-07 | Damping feed machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101021152A true CN101021152A (en) | 2007-08-22 |
| CN101021152B CN101021152B (en) | 2011-02-09 |
Family
ID=38709023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100137540A Expired - Fee Related CN101021152B (en) | 2007-03-07 | 2007-03-07 | Damping feed machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101021152B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452558A (en) * | 2010-10-27 | 2012-05-16 | 刘素华 | Buffer anti-smashing feeder |
| CN102501317A (en) * | 2011-11-03 | 2012-06-20 | 山东瑞天工程器材有限公司 | Concrete mixing carrier |
| CN107108135A (en) * | 2014-10-14 | 2017-08-29 | Cj大韩通运 | Utilize the handler on the slope for forming handling pad |
| CN107215621A (en) * | 2017-07-19 | 2017-09-29 | 淮南矿业(集团)有限责任公司 | A kind of drag conveyor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207003U (en) * | 1987-04-29 | 1988-01-20 | 上海起重运输机械厂 | Sealed rubber belt feeder |
| CN2275568Y (en) * | 1996-04-23 | 1998-03-04 | 煤炭工业部邯郸设计研究院 | Large conveying quantity scraper chain conveyer |
| CN2258863Y (en) * | 1996-12-13 | 1997-08-06 | 唐山建材机械有限责任公司 | Heavy-duty plate type feeder |
| DE10145606A1 (en) * | 2001-09-15 | 2003-04-03 | Duerkopp Adler Ag | Method for storing parts to be conveyed in a store and for outputting selected parts for conveyed parts |
| CN2743298Y (en) * | 2004-12-03 | 2005-11-30 | 徐州五洋科技有限公司 | Conveying type feeding machine |
| CN2832757Y (en) * | 2005-05-13 | 2006-11-01 | 王新宽 | Rotor set feeding machine |
-
2007
- 2007-03-07 CN CN2007100137540A patent/CN101021152B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452558A (en) * | 2010-10-27 | 2012-05-16 | 刘素华 | Buffer anti-smashing feeder |
| CN102452558B (en) * | 2010-10-27 | 2015-08-12 | 刘素华 | Buffer anti-smashing feeder |
| CN102501317A (en) * | 2011-11-03 | 2012-06-20 | 山东瑞天工程器材有限公司 | Concrete mixing carrier |
| CN107108135A (en) * | 2014-10-14 | 2017-08-29 | Cj大韩通运 | Utilize the handler on the slope for forming handling pad |
| US10220757B2 (en) | 2014-10-14 | 2019-03-05 | Cj Korea Express Corporation | Loading and unloading device using formation of slope of loading and unloading mat |
| CN107108135B (en) * | 2014-10-14 | 2022-05-03 | Cj大韩通运 | Handling device using a ramp forming a handling liner |
| CN107215621A (en) * | 2017-07-19 | 2017-09-29 | 淮南矿业(集团)有限责任公司 | A kind of drag conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101021152B (en) | 2011-02-09 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 273500 Shandong city of Zoucheng Province East Ring Road No. 3399 Shandong Huazhi Technology Co Ltd Patentee after: Meng Fanying Address before: Xin Yan Zhen Private Economy Park 272100 Shandong province Yanzhou Zhenxing Road No. 1 Patentee before: Meng Fanying |
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Effective date of registration: 20131028 Granted publication date: 20110209 |
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