CN104174461A - Impact hammer crusher - Google Patents
Impact hammer crusher Download PDFInfo
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- CN104174461A CN104174461A CN201410393598.5A CN201410393598A CN104174461A CN 104174461 A CN104174461 A CN 104174461A CN 201410393598 A CN201410393598 A CN 201410393598A CN 104174461 A CN104174461 A CN 104174461A
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- hammer
- hole
- wear
- hammer handle
- projection
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Abstract
The invention discloses an impact hammer crusher and provides an impact hammer crusher which is simple in structure and through which the connection strength and rigidity and reliability of a wear-resistant block and a hammer body are improved, the utilization rate of a wear-resistant material is improved and the service life of the wear-resistant material is prolonged. The impact hammer crusher comprises an enclosure, a rotor shaft and an impact plate, wherein the enclosure comprises an upper body, a lower body and a side body; the rotor shaft is arranged above the lower body; the impact plate is arranged in the side body; the impact hammer crusher also comprises multiple hammer head components; the multiple hammer head components are uniformly distributed on the rotor shaft; each hammer head component comprises a hammer handle, a damping spring and a pair of hammer head groups; and the damping spring is fixedly connected to the tail part of the hammer handle and is positioned between the hammer handle and the rotor shaft. According to the invention, each hammer head component comprises a hammer handle, a damping spring and a pair of hammer head groups, the pair of hammer head groups are respectively arranged at the head of the hammer handle, and the damping spring is arranged at the tail part of the hammer handle. The impact hammer crusher is reliable in connection, high in strength and rigidity and convenient to assemble and disassemble.
Description
Technical field
The present invention relates to equipment for pulverizing material, relate in particular to a kind of counter beating hammer type disintegrator.
Background technology
Counter beating hammer type disintegrator is mainly to utilize the rebound effect of tup to the impact of coal cinder and counterpunch board to the fragmentation of coal, makes material be subject to repeated stock and fragmentation.Yet in real work, as shown in Figure 14-17, often there is initial failure in tup 17; Through field observation and statistical analysis, failure site great majority concentrate on head, and the effective rate of utilization of material is low, the hinged place of tup and hammer handle (the being hammer handle 1) toughness not (hinged be replacing) for the ease of tup that seems again;
Meanwhile, the shoulder 19 of hammer handle afterbody is supported on hammer plate edge, easily forms the hard impact without resilience after chance foreign matter, often causes the initial failure of Hammer head assembly.
Summary of the invention
The present invention is directed to above problem, provide a kind of simple in structure, improve that wear-resistant block is connected with hammer body by force, rigidity and reliability, raising high-abrasive material utilization rate and the counter beating hammer type disintegrator in service life.
Technical scheme of the present invention is: comprise casing, armature spindle and counterpunch board, described casing comprises upper machine body, lower body and side body, and described armature spindle is located at the top of described lower body, and described counterpunch board is located in described side body; Also comprise some Hammer head assemblies, some described Hammer head assemblies are uniform to be arranged on described armature spindle;
Described Hammer head assembly comprises hammer handle, damping spring and a pair of tup group;
The head of described hammer handle has a pair of being connected as a single entity and symmetrically arranged fixing body, the centre of the end face of described fixing body is provided with prism-frustum-shaped projection, the side of described projection comprises two groups of composite bevels and pair of parallel plane, the front, rear, left and right end of described projection is accommodation space, the front end of the top surface of described fixing body on horizontal plane higher than rear end;
The composite bevel of the arranged on left and right sides of described projection is centroclinal towards projection respectively, described fixing body is provided with symmetrical through hole one and through hole two, described projection is positioned in the middle of described through hole one and through hole two, and the opposite face between described through hole one and through hole two is respectively the composite bevel of the arranged on left and right sides of described projection;
Described projection, through hole one and through hole two respectively with the end face of described fixing body towards consistent, the left and right side of described fixing body is provided with the wedge hole of running through, described wedge hole is communicated with described through hole one and through hole two;
Described damping spring is fixedly connected on the afterbody of described hammer handle and between described hammer handle and armature spindle;
Described a pair of tup group is symmetrical being connected on a pair of fixing body of described hammer handle respectively,
Described tup group comprises wear-resistant block, wedge key and a contacting piece, and the bottom surface of described wear-resistant block has storage tank, and the front and rear end of described wear-resistant block is inclined plane,
It is that infolding face and top are facade that the medial surface of a pair of symmetry of described storage tank is respectively bottom, the top of one side of described fastener tilts toward the outer side, bottom is facade, the another side of described fastener is one group of composite bevel, the lower section of described fastener and the through hole of fixing body one adaptation, described fastener is provided with the connecting hole consistent with described wedge hole
A described contacting piece is connected in the storage tank of described wear-resistant block and in the through hole one, two of described fixing body, described projection is positioned at the centre of a described contacting piece, the two sides of described fastener fit respectively the infolding face of described storage tank and the composite bevel of described projection
Described wedge key is connected in described wedge hole and passes the connecting hole of a described contacting piece, for a fixing described contacting piece;
The fit end face of described fixing body of the bottom surface of described wear-resistant block, makes wear-resistant block by a described contacting piece, be located at the accommodation space of the front, rear, left and right end of described projection; The rear end face of the adaptive described fixing body of rear end face of described wear-resistant block;
The one end in described wedge hole is provided with stepped hole, and described wedge key is connected with adjustment screw towards one end of described stepped hole, and the head of described adjustment screw is located in described stepped hole.
Also comprise backplate and a pair of cover plate, the head front end face of described fixing body is provided with the dovetail groove of at least one level, and described backplate is provided with the dovetail slide block with described dovetail groove adaptation, the fit bottom surface of described wear-resistant block of the lateral surface of described backplate;
Described a pair of cover plate is connected on the left and right side of described projection and between the wear-resistant block of described a pair of tup group.
Described armature spindle is provided with spacer, on described spacer, be laid with some hammer dishes, adjacent hammer dish offers corresponding pin shaft hole on circumference, the afterbody of described hammer handle has pin shaft hole, described hammer handle is connected between adjacent hammer dish and is formed some uniform working cells by bearing pin, and described bearing pin is connected in the pin shaft hole of described hammer dish and the pin shaft hole of hammer handle adaptedly.
Described damping spring is located between the afterbody and spacer of described hammer handle;
Described damping spring is circular arc, and described damping spring is coated on the afterbody of described hammer handle, and the two ends of described damping spring and centre are connected on described hammer handle by trip bolt and packing ring respectively.
On hammer dish between adjacent described working cell, in corresponding described working cell, the position of pin shaft hole is provided with U-shaped opening.
The middle part of described hammer handle is provided with strip hole.
Another of described storage tank is respectively inclined-plane to symmetrical medial surface.
Hammer head assembly in the present invention comprises hammer handle, damping spring and a pair of tup group, and a pair of tup group is arranged on respectively the head of hammer handle, and damping spring is arranged on the afterbody of hammer handle;
Wherein, tup group is arranged on the fixing body of hammer handle head by wear-resistant block, wedge key and a contacting piece; Wear-resistant block is working portion, and material is antiwear cast iron alloy, and in production and processing, the part that its consumption is existing tup, has significantly reduced cost of manufacture;
Wear-resistant block is connected to the surrounding of projection by storage tank, wherein a pair of button is located in storage tank, projection is between a pair of button, the two ends of button are inclined-plane and are connected with the infolding face of storage tank, the end face of projection (left and right end face is composite bevel) respectively, and button passes wedge hole by wedge key and is connected on fixing body; Meanwhile, the laminating of the bottom surface of wear-resistant block and the bottom surface of fixing body, be inclined-plane seamless connectivity, connect reliable, strong, rigidity is high, is convenient to dismounting;
The afterbody of hammer handle is removed shoulder, damping spring is arranged on the afterbody of hammer handle and between hammer handle and spacer, Hammer head assembly relies on damping spring energy flexible support on spacer surface, before machine enters steady-state operation, Hammer head assembly is under the effect of its deadweight and inertia force, damping spring can be subject to the extruding on spacer surface and produce distortion, with respect to only producing the swing of damping with the bearing pin of hammer dish hinged place, rather than rock freely, can avoid the collision of Hammer head assembly and the larger speed of other members, be conducive to reduce the noise of equipment.As hard impact resilience voluntarily, can avoid to greatest extent the issuable destruction of Hammer head assembly.Machine enters after steady-state operation, and under the effect of centrifugal force, Hammer head assembly is radial development shape and enters normal operating conditions; In relevant position, (pin shaft hole place) is provided with U-shaped opening to hammer dish between working cell, can guarantee that the Hammer head assembly of optional position can be installed and removed easily.
The present invention has the following advantages:
1, adopt tup, hammer handle integral structure, working portion is wear-resistant block, and the consumption of antiwear cast iron alloy is original 28.4%;
2, wear-resistant block is realized seamless connectivity with utilizing the principle on inclined-plane being connected of hammer handle head, and coupling stiffness is good, and bevel angle is less than angle of friction, therefore energy self-locking;
3, hammer handle head and cross section, middle part are streamlined, and the middle part of hammer handle is provided with strip hole, are conducive to reduce windage, reduce the air output to the agitaion of air in machine, minimizing disintegrating machine, are conducive to reduce the dust pollution of working environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the cutaway view of M-M face in Fig. 1,
Fig. 3 is the structural representation of Hammer head assembly in the present invention,
Fig. 4 is the deployed configuration schematic diagram of A-A face in Fig. 3,
Fig. 5 is the cutaway view of D-D face in Fig. 3,
Fig. 6 be in Fig. 3 K to structural representation,
Fig. 7 is the cutaway view of C-C face in Fig. 6,
Fig. 8 is the structural representation of hammer handle head in the present invention,
Fig. 9 be in Fig. 8 M to structural representation,
Figure 10 is the echelon sectional view of E-E face in Fig. 8,
Figure 11 is the structural representation of wear-resistant block in the present invention,
Figure 12 is the cutaway view of J-J face in Figure 11,
Figure 13 is the cutaway view of K-K face in Figure 11,
Figure 14 is the syndeton schematic diagram of Hammer head assembly and armature spindle in prior art,
Figure 15 is the cutaway view of N-N face in Figure 14,
Figure 16 is tup and hammer handle syndeton schematic diagram in prior art,
Figure 17 is the top view of Figure 16;
In figure, 1 is lower body, the 2nd, and upper machine body, the 3rd, armature spindle, the 4th, counterpunch board, the 5th, Hammer head assembly;
The 6th, hammer handle, the 61st, fixing body, the 611st, through hole one, 612nd, through hole two, 613rd, wedge hole, the 614th, stepped hole, the 615th, dovetail groove, the 62nd, projection, the 63rd, pin shaft hole;
The 7th, damping spring;
The 8th, tup group, the 81st, wear-resistant block, the 810th, storage tank, the 8101st, infolding face, the 8102nd, facade, the 82nd, wedge key, the 83rd, fastener, the 84th, adjustment screw;
The 9th, backplate, the 10th, cover plate, the 11st, spacer, the 12nd, hammer dish, the 13rd, bearing pin, the 14th, strip hole, the 15th, trip bolt, the 16th, packing ring, the 17th, tup, the 18th, hammer handle one, 19th, shoulder, the 20th, skewback, the 21st, side body, the 22nd, U-shaped opening.
The specific embodiment
The present invention, as shown in Fig. 1-13, comprises casing, armature spindle 3 and counterpunch board 4, and described casing comprises upper machine body 1, lower body 2 and side body 21, and described armature spindle 3 is located at the top of described lower body 1, and described counterpunch board 4 is located in described side body 21; Also comprise some Hammer head assemblies 5, some described Hammer head assemblies 5 are uniform to be arranged on described armature spindle 3;
As shown in Fig. 3-10, described Hammer head assembly 5 comprises hammer handle 6, damping spring 7 and a pair of tup group 8;
The head of described hammer handle 6 have a pair of be connected as a single entity and symmetrically arranged fixing body 61(for the matrix of tup group is installed), the centre of the end face of described fixing body 61 is provided with prism-frustum-shaped projection 62, the side of described projection 62 comprises two groups of composite bevels and pair of parallel plane (being Si Ge sides, front, rear, left and right), the front, rear, left and right end of described projection is accommodation space, the front end of the top surface of described installation 61 bodies on horizontal plane higher than rear end; (be that front end of the top surface upwards tilts towards described hammer handle; )
The composite bevel of the arranged on left and right sides of described projection 62 is centroclinal towards projection 62 respectively, described fixing body 61 is provided with symmetrical through hole 1 and through hole 2 612, described projection 62 is positioned in the middle of described through hole 1 and through hole 2 612, and the opposite face between described through hole 1 and through hole 2 612 is respectively the composite bevel of the arranged on left and right sides of described projection 62;
Described projection 62, through hole 1 and through hole 2 612 respectively with the end face of described fixing body 61 towards consistent, the left and right side of described fixing body 61 is provided with the wedge hole 613 of running through, described wedge hole 613 is communicated with described through hole 1 and through hole 2 612, as shown in Figure 5,6, removes wear-resistant block etc. in figure;
Described damping spring 7 is fixedly connected on the afterbody of described hammer handle 6 and between described hammer handle 6 and armature spindle 3;
Described a pair of tup group 8 is symmetrical being connected on a pair of fixing body 61 of described hammer handle 6 respectively;
Described tup group 8 comprises wear-resistant block 81, wedge key 82 and a contacting piece 83, and the bottom surface of described wear-resistant block 81 has storage tank 810, and the front and rear end of described wear-resistant block 81 is inclined plane, as shown in Figure 11-13;
It is that infolding face 8101 and top are facade 8102 that the medial surface of a pair of symmetry of described storage tank 810 is respectively bottom, the top of one side of described fastener 83 tilts toward the outer side, bottom is facade, the another side of described fastener 83 is one group of composite bevel, the lower section of described fastener 83 and the through hole of fixing body one 611 adaptations, described fastener 83 is provided with the connecting hole with described wedge hole 613 consistent (position consistency);
A described contacting piece 83 is connected in the storage tank 810 of described wear-resistant block 81 and in the through hole one, two of described fixing body 61, described projection 62 is positioned at the centre of a described contacting piece 83, the two sides of described fastener 83 fit respectively the infolding face 8101 of described storage tank and the composite bevel of described projection
Described wedge key 82 is connected in described wedge hole and passes the connecting hole of a described contacting piece, for a fixing described contacting piece;
The fit end face of described fixing body 61 of the bottom surface of described wear-resistant block 81, makes wear-resistant block by a described contacting piece, be located at the accommodation space of the front, rear, left and right end of described projection; The fit rear end face (being the front end face that hammer handle does not comprise fixing body) of described fixing body of the rear end face of described wear-resistant block;
The one end in described wedge hole 613 is provided with stepped hole 614, and described wedge key is connected with adjustment screw 84 towards one end of described stepped hole, and the head of described adjustment screw 84 is located in described stepped hole 614, is convenient to regulate wedging power, fixing wedge key.
Also comprise backplate 9 and a pair of cover plate 10, the head front end face of described fixing body 61 is provided with the dovetail groove 615 of a level, described backplate 9 is provided with the dovetail slide block with described dovetail groove adaptation, the bottom surface of the lateral surface of described backplate 9 (being top, the bottom surface of backplate) the described wear-resistant block of fitting; In work, can offer two dovetail grooves;
Described a pair of cover plate 10 is connected on the left and right side of described projection and between the wear-resistant block 81 of described a pair of tup group, and backplate and cover plate are set, and plays protective action.
Described armature spindle 3 is provided with spacer 11, on described spacer 11, be laid with some hammer dish 12(spacers for separating hammer dish), adjacent hammer dish offers corresponding pin shaft hole on circumference, the afterbody of described hammer handle 6 has pin shaft hole 63, described hammer handle is connected between adjacent hammer dish and is formed some uniform working cells by bearing pin 13, and described bearing pin 13 is connected in the pin shaft hole of described hammer dish and the pin shaft hole of hammer handle 63 adaptedly.
Described damping spring 7 is located between the afterbody and spacer 11 of described hammer handle 6;
Described damping spring 7 is circular arc, and described damping spring 7 is coated on the afterbody of described hammer handle 6, and the two ends of described damping spring 7 and centre are connected on described hammer handle by trip bolt 15 and packing ring 16 respectively; The position of damping spring is retrained.
On hammer dish between adjacent described working cell, in corresponding described working cell, the position of pin shaft hole is provided with U-shaped opening 22.To guarantee the Hammer head assembly of optional position, can install and remove easily.
The middle part of described hammer handle is provided with strip hole 14, saves material, reduces windage.
Another of described storage tank is respectively inclined-plane to symmetrical medial surface, is convenient to placement, the installation of fastener, by wedge key 82 and skewback 20, realizes fixing.
Claims (7)
1. a counter beating hammer type disintegrator, comprises casing, armature spindle and counterpunch board, and described casing comprises upper machine body, lower body and side body, and described armature spindle is located at the top of described lower body, and described counterpunch board is located in described side body; It is characterized in that, also comprise some Hammer head assemblies, some described Hammer head assemblies are uniform to be arranged on described armature spindle;
Described Hammer head assembly comprises hammer handle, damping spring and a pair of tup group;
The head of described hammer handle has a pair of being connected as a single entity and symmetrically arranged fixing body, the centre of the end face of described fixing body is provided with prism-frustum-shaped projection, the side of described projection comprises two groups of composite bevels and pair of parallel plane, the front, rear, left and right end of described projection is accommodation space, the front end of the top surface of described fixing body on horizontal plane higher than rear end;
The composite bevel of the arranged on left and right sides of described projection is centroclinal towards projection respectively, described fixing body is provided with symmetrical through hole one and through hole two, described projection is positioned in the middle of described through hole one and through hole two, and the opposite face between described through hole one and through hole two is respectively the composite bevel of the arranged on left and right sides of described projection;
Described projection, through hole one and through hole two respectively with the end face of described fixing body towards consistent, the left and right side of described fixing body is provided with the wedge hole of running through, described wedge hole is communicated with described through hole one and through hole two;
Described damping spring is fixedly connected on the afterbody of described hammer handle and between described hammer handle and armature spindle;
Described a pair of tup group is symmetrical being connected on a pair of fixing body of described hammer handle respectively,
Described tup group comprises wear-resistant block, wedge key and a contacting piece, and the bottom surface of described wear-resistant block has storage tank, and the front and rear end of described wear-resistant block is inclined plane,
It is that infolding face and top are facade that the medial surface of a pair of symmetry of described storage tank is respectively bottom, the top of one side of described fastener tilts toward the outer side, bottom is facade, the another side of described fastener is one group of composite bevel, the lower section of described fastener and the through hole of fixing body one adaptation, described fastener is provided with the connecting hole consistent with described wedge hole
A described contacting piece is connected in the storage tank of described wear-resistant block and in the through hole one, two of described fixing body, described projection is positioned at the centre of a described contacting piece, the two sides of described fastener fit respectively the infolding face of described storage tank and the composite bevel of described projection
Described wedge key is connected in described wedge hole and passes the connecting hole of a described contacting piece, for a fixing described contacting piece;
The fit end face of described fixing body of the bottom surface of described wear-resistant block, makes wear-resistant block by a described contacting piece, be located at the accommodation space of the front, rear, left and right end of described projection; The rear end face of the adaptive described fixing body of rear end face of described wear-resistant block;
The one end in described wedge hole is provided with stepped hole, and described wedge key is connected with adjustment screw towards one end of described stepped hole, and the head of described adjustment screw is located in described stepped hole.
2. a kind of counter beating hammer type disintegrator according to claim 1, it is characterized in that, also comprise backplate and a pair of cover plate, the head front end face of described fixing body is provided with the dovetail groove of at least one level, described backplate is provided with the dovetail slide block with described dovetail groove adaptation, the fit bottom surface of described wear-resistant block of the lateral surface of described backplate;
Described a pair of cover plate is connected on the left and right side of described projection and between the wear-resistant block of described a pair of tup group.
3. a kind of counter beating hammer type disintegrator according to claim 1, it is characterized in that, described armature spindle is provided with spacer, on described spacer, be laid with some hammer dishes, adjacent hammer dish offers corresponding pin shaft hole on circumference, the afterbody of described hammer handle has pin shaft hole, and described hammer handle is connected between adjacent hammer dish and is formed some uniform working cells by bearing pin, and described bearing pin is connected in the pin shaft hole of described hammer dish and the pin shaft hole of hammer handle adaptedly.
4. a kind of counter beating hammer type disintegrator according to claim 3, is characterized in that, described damping spring is located between the afterbody and spacer of described hammer handle;
Described damping spring is circular arc, and described damping spring is coated on the afterbody of described hammer handle, and the two ends of described damping spring and centre are connected on described hammer handle by trip bolt and packing ring respectively.
5. a kind of counter beating hammer type disintegrator according to claim 3, is characterized in that, on the hammer dish between adjacent described working cell, in corresponding described working cell, the position of pin shaft hole is provided with U-shaped opening.
6. a kind of counter beating hammer type disintegrator according to claim 1, is characterized in that, the middle part of described hammer handle is provided with strip hole.
7. a kind of counter beating hammer type disintegrator according to claim 1, is characterized in that, another of described storage tank is respectively inclined-plane to symmetrical medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393598.5A CN104174461B (en) | 2014-08-11 | 2014-08-11 | A kind of counter beating hammer type disintegrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393598.5A CN104174461B (en) | 2014-08-11 | 2014-08-11 | A kind of counter beating hammer type disintegrator |
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| Publication Number | Publication Date |
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| CN104174461A true CN104174461A (en) | 2014-12-03 |
| CN104174461B CN104174461B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410393598.5A Active CN104174461B (en) | 2014-08-11 | 2014-08-11 | A kind of counter beating hammer type disintegrator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964339A (en) * | 2016-06-22 | 2016-09-28 | 湖北第二师范学院 | Hammering type crusher |
| CN112844651A (en) * | 2021-03-15 | 2021-05-28 | 赣州中新矿业有限公司 | Ball mill for crushing tungsten carbide blocks produced by recycling waste hard alloy |
| CN112892742A (en) * | 2021-01-19 | 2021-06-04 | 王美香 | Impact crusher |
| WO2022203625A1 (en) * | 2021-03-23 | 2022-09-29 | İmaş Maki̇na Sanayi̇ Anoni̇m Şi̇rketi̇ | Mill blade allowing ready-made material use in hammer mills |
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| JPH0884937A (en) * | 1994-09-16 | 1996-04-02 | Nippon Spindle Mfg Co Ltd | Glass bottle crusher |
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| CN202377044U (en) * | 2012-01-09 | 2012-08-15 | 嘉兴市一建机械制造有限公司 | Reversible reaction-type fine crusher rotor |
| CN202823496U (en) * | 2012-09-03 | 2013-03-27 | 景凯华 | Detachable and removable combined type hammerhead |
| CN203972017U (en) * | 2014-08-11 | 2014-12-03 | 扬州明泰机械有限公司 | Counter beating hammer type disintegrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2418619A1 (en) * | 1974-04-18 | 1975-11-06 | Peters Ag Claudius | ROTOR FOR HAMMER CRUSHERS |
| JPH0884937A (en) * | 1994-09-16 | 1996-04-02 | Nippon Spindle Mfg Co Ltd | Glass bottle crusher |
| CN2513669Y (en) * | 2001-12-04 | 2002-10-02 | 贡明生 | Reversible hammer-type impact breaker |
| CN2933565Y (en) * | 2006-07-21 | 2007-08-15 | 山东山矿机械有限公司 | Separated type high strength wear-resisting compound hammer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964339A (en) * | 2016-06-22 | 2016-09-28 | 湖北第二师范学院 | Hammering type crusher |
| CN105964339B (en) * | 2016-06-22 | 2019-08-09 | 湖北第二师范学院 | A kind of hammer crusher |
| CN112892742A (en) * | 2021-01-19 | 2021-06-04 | 王美香 | Impact crusher |
| CN112844651A (en) * | 2021-03-15 | 2021-05-28 | 赣州中新矿业有限公司 | Ball mill for crushing tungsten carbide blocks produced by recycling waste hard alloy |
| WO2022203625A1 (en) * | 2021-03-23 | 2022-09-29 | İmaş Maki̇na Sanayi̇ Anoni̇m Şi̇rketi̇ | Mill blade allowing ready-made material use in hammer mills |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104174461B (en) | 2016-09-14 |
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Effective date of registration: 20230824 Address after: 225002 Guangling Industrial Park, Huai'an Economic Development Zone, Jiangsu Province (east side of Shawan Road) Patentee after: Yangzhou Mingdu Environmental engineering Machinery Co.,Ltd. Address before: No. 33 Shawan South Road, Guangling Industrial Park, Qujiang Street, Guangling District, Yangzhou City, Jiangsu Province, 225006 Patentee before: YANGZHOU MINGTAI MACHINERY Co.,Ltd. Patentee before: Jiao Yatong |
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Address after: 225002 Guangling Industrial Park, Yangzhou Economic Development Zone, Jiangsu Province (east side of Shawan Road) Patentee after: Yangzhou Mingdu Environmental engineering Machinery Co.,Ltd. Address before: 225002 Guangling Industrial Park, Huai'an Economic Development Zone, Jiangsu Province (east side of Shawan Road) Patentee before: Yangzhou Mingdu Environmental engineering Machinery Co.,Ltd. |