CN104437756A - Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher - Google Patents

Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher Download PDF

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Publication number
CN104437756A
CN104437756A CN201410657617.0A CN201410657617A CN104437756A CN 104437756 A CN104437756 A CN 104437756A CN 201410657617 A CN201410657617 A CN 201410657617A CN 104437756 A CN104437756 A CN 104437756A
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China
Prior art keywords
stone crusher
reaction type
impact
counterattack
storage tank
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Pending
Application number
CN201410657617.0A
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Chinese (zh)
Inventor
朱小静
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN201410657617.0A priority Critical patent/CN104437756A/en
Publication of CN104437756A publication Critical patent/CN104437756A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • B02C2013/2808Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The wear-resistant impact plate hammer of the impact stone crusher comprises an impeller mounting part and an impact hammer part connected with the impeller mounting part. The impact hammer part is provided with an impact surface and a plurality of accommodating grooves which are separated from each other. The counterattack hammer part also comprises a plurality of alloy reinforcing parts which are respectively embedded in the plurality of accommodating grooves. Each alloy reinforcing part is provided with a reinforcing impact surface, and a plurality of reinforcing impact surfaces of the alloy reinforcing parts are flush and coplanar with the impact surfaces. The abrasion-resistant impact plate hammer of the impact stone crusher can greatly prolong the service life of the impact hammer part, reduce the cost and reduce the resource waste. The invention also relates to a counterattack rock crusher.

Description

Reaction type stone crusher abrasion-resistant counterattack bar and reaction type stone crusher
Technical field
The present invention relates to impact crusher technical field, particularly a kind of reaction type stone crusher abrasion-resistant counterattack bar and reaction type stone crusher.
Background technology
Impact breaker also namely sand machine processed be a kind of crushing mechanism utilizing impact energy to carry out broken sandstone.Building stones directly fall into the impeller of High Rotation Speed by impact breaker top, and utilize the impact hammer that impeller is established to make sandstone in feeding crusher chamber obtain high speed kinetic energy, and the sandstone of high-speed motion collides and broken mutually.Broken sandstone tangentially with the impact hammer of the other end on high fast direction impeller, and obtains high speed kinetic energy again, and the sandstone of high-speed motion again collides and breaks.Repeat said process, sandstone is pulverized in the impact several times process come and gone.
But, in sand process processed, for impact hammer shock resistance, anti-wearly can propose high requirement.Impact hammer works under so harsh condition, generally can only maintain the physical life of 40 hours, extend to make the physical life of impact hammer, existing way welds hard alloy blocks on impact hammer, but due to impact hammer, normally rich chromium cast iron or high violent steel founding materials are made, brazing poor performance, hard alloy blocks cannot effectively be connected with impact hammer, cause alloy block under the large kinetic energy impact of stone and high speed centrifugation power double action, alloy block just starts to come off from impact hammer when comparatively less wear, cannot play alloy block shock resistance, wear-resisting performance.Therefore, the actual physical life that cannot extend impact hammer of existing way, more cannot reach the expected design object of protection impeller.In addition, because the life cycle of existing impact hammer is short, staff need safeguard frequently, change impact hammer, wastes time and energy, consumes resources, and what cause impact breaker is higher with cost, brings difficulty to the extensive use of impact breaker.
Summary of the invention
The object of the invention is to, provide a kind of reaction type stone crusher abrasion-resistant counterattack bar, there is longer service life, be conducive to reducing costs, reduce the wasting of resources.
Another object of the present invention is to, provide a kind of reaction type stone crusher, it uses reaction type stone crusher abrasion-resistant counterattack bar to have longer service life, is conducive to reducing costs, reduces the wasting of resources.
It is adopt following technical scheme to realize that the present invention solves its technical problem.
A kind of reaction type stone crusher abrasion-resistant counterattack bar, it impact hammer portion comprising impeller installation portion and be connected with impeller installation portion.Impact hammer portion has counterattack face, and impact hammer portion has multiple storage tanks separated from one another.Impact hammer portion also comprises multiple alloy rib, and multiple alloy rib is embedded in multiple storage tank respectively.Each alloy rib has strengthens counterattack face, and multiple reinforcement counterattack face of polylith alloy rib is concordant coplanar with counterattack face.
In the preferred embodiment, above-mentioned impact hammer portion has first surface, second surface, the first side surface and the second side surface.First surface and second surface opposing parallel, the first side surface and the second side surface opposing parallel and be connected between first surface and second surface.First surface is counterattack face, and the first side surface is away from impeller installation portion, and the second side surface is connected to impeller installation portion, and multiple storage tank is between the first side surface and the second side surface.
In the preferred embodiment, each storage tank in above-mentioned impact hammer portion also through first side surface and the second side surface.
In the preferred embodiment, above-mentioned each storage tank narrows gradually from the width in the direction to the first side surface of the second side surface, and each storage tank broadens gradually from the width in the direction to second surface of first surface.The cooperation of polylith alloy rib is embedded in multiple storage tank, and each alloy rib narrows gradually from the width in the direction to the first side surface of the second side surface, and each alloy rib broadens gradually from the width in the direction to second surface of first surface.
In the preferred embodiment, each storage tank in above-mentioned impact hammer portion also through second surface.
In the preferred embodiment, above-mentioned each storage tank is borehole structure or conical bore structure.
In the preferred embodiment, above-mentioned each alloy rib is screw-rod structure, and circular hole is Screw hole structure, and the axes normal of this screw axis and screw-rod structure is in the face of counterattack.
In the preferred embodiment, above-mentioned each alloy rib is embedded in multiple storage tank by adhesive-layer.
In the preferred embodiment, above-mentioned each alloy rib is welded in impact hammer portion.
A kind of reaction type stone crusher, comprises above-mentioned reaction type stone crusher abrasion-resistant counterattack bar.
Reaction type stone crusher abrasion-resistant counterattack bar of the present invention and reaction type stone crusher; multiple alloy rib is embedded in multiple storage tanks in impact hammer portion respectively; and the reinforcement of each alloy rib counterattack face is concordant with the counterattack face in impact hammer portion coplanar; when alloy rib is when being subject to large kinetic energy impact and high speed centrifugation power double action; can firmly be fixed in storage tank; and well protect impact hammer portion; to improve the shock resistance of impact hammer portion, wear-resisting performance, thus there is longer service life.Meanwhile, reaction type stone crusher abrasion-resistant counterattack bar of the present invention and reaction type stone crusher effectively prevent impact hammer portion and safeguard frequently and change, and are conducive to cost-saving, reduce the wasting of resources.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.
Fig. 2 is the side-looking structural representation of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.
Fig. 3 be the reaction type stone crusher abrasion-resistant counterattack bar of Fig. 1 along III-III line sectional structure schematic diagram.
Fig. 4 is the fractionation structural representation of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.
Fig. 5 is the plan structure schematic diagram of the reaction type stone crusher abrasion-resistant counterattack bar of second embodiment of the invention.
Fig. 6 is the sectional structure schematic diagram along VI-VI line of the reaction type stone crusher abrasion-resistant counterattack bar of Fig. 5.
Fig. 7 is the fractionation perspective view of the reaction type stone crusher abrasion-resistant counterattack bar of Fig. 5.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the reaction type stone crusher abrasion-resistant counterattack bar propose foundation the present invention and the detailed description of the invention of reaction type stone crusher, structure, feature and effect thereof, be described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Fig. 1 is the plan structure schematic diagram of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.Fig. 2 is the side-looking structural representation of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.Fig. 3 is the sectional structure schematic diagram of reaction type stone crusher abrasion-resistant counterattack bar along III-III line of Fig. 1.Fig. 4 is the fractionation structural representation of the reaction type stone crusher abrasion-resistant counterattack bar of first embodiment of the invention.As Fig. 1,2, shown in 3 and 4, in the present embodiment, reaction type stone crusher abrasion-resistant counterattack bar 100 comprises impeller installation portion 110, impact hammer portion 120 and multiple alloy rib 130.Impeller installation portion 110 is connected with impact hammer portion 120.Impact hammer portion 120 has counterattack face 125, and has multiple storage tanks 101 separated from one another, and multiple alloy rib 130 is arranged in multiple storage tank 101.
The impact hammer portion 120 of reaction type stone crusher abrasion-resistant counterattack bar 100 according to counterattack sandstone number arrange.In the present embodiment, reaction type stone crusher abrasion-resistant counterattack bar 100 has two the impact hammer portions 120 being connected to the relative both sides of impeller installation portion 110, and only multiple storage tank 101 be set in an impact hammer portion 120 and be embedded alloy rib 130, but not as limit, in other embodiments, another impact hammer portion 120 can be selected to establish storage tank 101 and be embedded multiple alloy rib 130 or a storage tank 101 be all set in two impact hammer portions 120 and be embedded alloy rib 130.In addition, multiple storage tank 101 can be arranged according to the operating mode of reality counterattack, and the density of multiple storage tanks 101 that the place of very easily wearing and tearing in impact hammer portion 120 is arranged is comparatively large, to provide preferably impact resistance and anti-wear performance after being embedded alloy rib 130.
Particularly, impact hammer portion 120 has first surface 1222, second surface 1224, first side surface 1225 and the second side surface 1226.First surface 1222 and second surface 1224 opposing parallel, the first side surface 1225 and the second side surface 1226 opposing parallel and be connected between first surface 1222 and second surface 1224.Wherein, first surface 1222 is counterattack face 125, first side surface 1225 is away from impeller installation portion 110, second side surface 1226 is connected to impeller installation portion 110, multiple storage tank 101 between the first side surface 1225 and the second side surface 1226, and is spaced along the direction being parallel to the first side surface 1225.The through first surface 1222 (also namely strikeing back face 125) of each storage tank 101 in the present embodiment, the first side surface 1225 and the second side surface 1226, and each storage tank 101 narrows gradually from the width in the direction to the first side surface 1225 of the second side surface 1226, each storage tank 101 broadens gradually from the width in the direction to second surface 1224 of first surface 1222.
As shown in Figures 3 and 4, the cooperation of polylith alloy rib 130 is embedded in multiple storage tank 101, and each alloy rib 130 narrows gradually from the width in the direction to the first side surface 1225 of the second side surface 1226, each alloy rib 130 broadens gradually from the width in the direction to second surface 1224 of first surface 1222.Each alloy rib 130 has the reinforcement counterattack face 132 for strikeing back sandstone, and the reinforcement of alloy rib 130 counterattack face 132 is concordant coplanar with counterattack face 125, and namely multiple reinforcement counterattack faces 132 of multiple alloy rib 130 are concordant with first surface 1222 coplanar.It is worth mentioning that, each alloy rib 130 can coordinate the mode of the soldering such as copper, tin to be welded in impact hammer portion 120 by Automatic manual transmission or Automatic manual transmission, also can be embedded in multiple storage tank 101 by adhesive-layer at each alloy rib 130.For the set-up mode of alloy rib 130, do not limit herein, can unrestricted choice according to actual conditions.Be embedded in multiple storage tanks 101 in impact hammer portion 120 because polylith alloy rib 130 coordinates, according to the first surface 1222 actual loading size in impact hammer portion 120 and the difference of abrasion condition, storage tank 101 can freely be offered according to actual conditions and arrange alloy rib 130.That is, the distance that arranges of each storage tank 101 can be different, the stressed large and more position of wearing and tearing of the first surface 1222 in impact hammer portion 120, storage tank 101 to offer density large, the stressed little and position that wearing and tearing are relatively few of first surface 1222, storage tank 101 to offer density little, even do not offer storage tank 101, to increase minimum cost, and free setting under greatly improving the prerequisite in the service life in impact hammer portion 120, do not limit herein.
Fig. 5 is the plan structure schematic diagram of the reaction type stone crusher abrasion-resistant counterattack bar of second embodiment of the invention.Fig. 6 is the sectional structure schematic diagram along VI-VI line of the reaction type stone crusher abrasion-resistant counterattack bar of Fig. 5.Fig. 7 is the fractionation perspective view of the reaction type stone crusher abrasion-resistant counterattack bar of Fig. 5.As shown in Fig. 5,6 and 7, roughly the same with the structure of the reaction type stone crusher abrasion-resistant counterattack bar 100 of the first embodiment in the structure of the reaction type stone crusher abrasion-resistant counterattack bar 100 ' of the present embodiment, difference is, the storage tank 101 ' in the present embodiment is different from the shape and structure of the storage tank 101 of the first embodiment and alloy rib 130 with the shape and structure of alloy rib 130 '.
Particularly, as shown in Figures 6 and 7, each storage tank 101 ' in the present embodiment is the borehole structure of through first surface 1222 (also namely strikeing back face 125) and second surface 1224, in the present embodiment, do not limit storage tank 101 ' for borehole structure, storage tank 101 ' also can be conical bore structure, and the inwall of each storage tank 101 ' through hole is provided with the first screw thread 126.Each alloy rib 130 ' is screw-rod structure, and the outer surface of each alloy rib 130 is provided with the second screw thread 133 of cooperation first screw thread 126, and the end face of the alloy rib 130 ' of screw-rod structure is for strengthening counterattack face 1322.When the alloy rib 130 ' of screw-rod structure is arranged in storage tank 101 ', the reinforcement counterattack face 1322 of alloy rib 130 ' is concordant coplanar with the counterattack face 125 in impact hammer portion 120.It is worth mentioning that, the circular hole of storage tank 101 ' is Screw hole structure, and the axes normal of the screw-rod structure of the axis of Screw hole structure and alloy rib 130 ' is in the face of counterattack 125.In the present embodiment, alloy rib 130 ' is bolted in storage tank 101 ', but do not limit the connection set-up mode of alloy rib 130 ' herein.Particularly, alloy rib 130 ' may also be and coordinates the mode of the soldering such as copper, tin to be welded in impact hammer portion 120 ' by Automatic manual transmission or Automatic manual transmission, also can be embedded at multiple storage tank 101 ' at each alloy rib 130 ' by adhesive-layer.For the set-up mode of alloy rib 130 ', do not limit herein, can unrestricted choice according to actual conditions.
Reaction type stone crusher abrasion-resistant counterattack bar 100,100 ' of the present invention is applied to reaction type stone crusher.Reaction type stone crusher abrasion-resistant counterattack bar 100,100 ' is connected to the outer ring of the impeller of reaction type stone crusher by impeller installation portion 110, make reaction type stone crusher operationally protect impeller from the object of shock of stone flying to impeller.
The reaction type stone crusher abrasion-resistant counterattack bar 100 of first embodiment of the invention, because the width of storage tank 101 from the direction to the first side surface 1225 of the second side surface 1226 narrows gradually, and broaden gradually from the width in the direction to second surface 1224 of first surface 1222, and alloy rib 130 coordinates the respective design of storage tank 101, alloy rib 130 ' in second embodiment is screwed onto in storage tank 101 ', all make reaction type stone crusher abrasion-resistant counterattack bar 100, 100 ' along with turbine centrifugal rotate time, alloy rib 130, 130 ' can well be fixed on storage tank 101, in 101 ', solve the unstable problem of impact flat hammer brazing alloy block, avoid alloy rib 130, 130 ' due to stone impact and high speed centrifugation power double action under make alloy rib 130, 130 ' departs from impact hammer portion 120, the possibility of 120 ', improve reaction type stone crusher abrasion-resistant counterattack bar 100, the shock resistance of 100 ', anti-wear-resisting performance.In addition, because the shock resistance of reaction type stone crusher abrasion-resistant counterattack bar 100,100 ', anti-wear-resisting performance improve, the physical life of reaction type stone crusher abrasion-resistant counterattack bar 100 will increase greatly, decrease frequent maintenance, change the number of times of reaction type stone crusher abrasion-resistant counterattack bar 100,100 ', decrease the wasting of resources and maintenance cost, be conducive to reducing costs.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.Each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.

Claims (10)

1. a reaction type stone crusher abrasion-resistant counterattack bar, it impact hammer portion comprising impeller installation portion and be connected with this impeller installation portion, this impact hammer portion has counterattack face, it is characterized in that, this impact hammer portion has multiple storage tanks separated from one another, this impact hammer portion also comprises multiple alloy rib, the plurality of alloy rib is embedded in the plurality of storage tank respectively, respectively this alloy rib has reinforcement counterattack face, and the plurality of reinforcement counterattack face of this polylith alloy rib is concordant with this counterattack face coplanar.
2. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 1, it is characterized in that, this impact hammer portion has first surface, second surface, first side surface and the second side surface, this first surface is opposing parallel with this second surface, this first side surface and this second side surface opposing parallel and be connected between this first surface and this second surface, this first surface is this counterattack face, this first side surface is away from this impeller installation portion, this second side surface is connected to this impeller installation portion, the plurality of storage tank is between this first side surface and this second side surface.
3. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 2, is characterized in that, respectively this storage tank also this first side surface through and this second side surface in this impact hammer portion.
4. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 3, it is characterized in that, respectively this storage tank narrows gradually from the width in the direction to this first side surface of this second side surface, respectively this storage tank broadens gradually from the width in the direction to this second surface of this first surface, the cooperation of this polylith alloy rib is embedded in the plurality of storage tank, and respectively this alloy rib narrows gradually from the width in the direction to this first side surface of this second side surface, respectively this alloy rib broadens gradually from the width in the direction to this second surface of this first surface.
5. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 2, is characterized in that, respectively this storage tank also this second surface through in this impact hammer portion.
6. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 5, it is characterized in that, respectively this storage tank is borehole structure or conical bore structure.
7. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 6, it is characterized in that, respectively this alloy rib is screw-rod structure, and circular hole is Screw hole structure, and the axes normal of this screw axis and this screw-rod structure is in this counterattack face.
8. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 1, it is characterized in that, respectively this alloy rib is embedded in the plurality of storage tank by adhesive-layer.
9. reaction type stone crusher abrasion-resistant counterattack bar as claimed in claim 1, it is characterized in that, respectively this alloy rib is welded in this impact hammer portion.
10. a reaction type stone crusher, is characterized in that, it comprises the reaction type stone crusher abrasion-resistant counterattack bar described in any one of claim 1 ~ 9.
CN201410657617.0A 2014-11-18 2014-11-18 Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher Pending CN104437756A (en)

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Application Number Priority Date Filing Date Title
CN201410657617.0A CN104437756A (en) 2014-11-18 2014-11-18 Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797814A (en) * 2016-05-09 2016-07-27 沙洲职业工学院 Bi-metal composite plate hammer for impact type ore crusher
CN111957393A (en) * 2020-08-17 2020-11-20 郑州大学 Plate hammer with dual functions of striking and extruding

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2123371U (en) * 1991-07-24 1992-12-02 唐山工程技术学院 Bimetallic composite hammer head for hammer-type shredder
CN2220896Y (en) * 1993-11-30 1996-02-28 吴英华 Compound wear-resisting hammer
JPH09313965A (en) * 1996-05-31 1997-12-09 Kawasaki Heavy Ind Ltd Hammer
CN2792613Y (en) * 2005-05-11 2006-07-05 朱广礼 Plate hammer and impacting plate of impcting crusher
CN101850285A (en) * 2010-06-13 2010-10-06 淮阴工学院 Combined position board hammer of reaction crusher capable of rapidly changing wear position and manufacturing method thereof
CN202762480U (en) * 2012-08-07 2013-03-06 上海建设路桥机械设备有限公司 Vertical shaft impact crusher rotor
CN203196686U (en) * 2013-04-11 2013-09-18 嘉兴山通矿山设备有限公司 Sand making machine
CN203540657U (en) * 2013-11-06 2014-04-16 中联重科股份有限公司 Throw stub bar, impeller and impact system sand machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2123371U (en) * 1991-07-24 1992-12-02 唐山工程技术学院 Bimetallic composite hammer head for hammer-type shredder
CN2220896Y (en) * 1993-11-30 1996-02-28 吴英华 Compound wear-resisting hammer
JPH09313965A (en) * 1996-05-31 1997-12-09 Kawasaki Heavy Ind Ltd Hammer
CN2792613Y (en) * 2005-05-11 2006-07-05 朱广礼 Plate hammer and impacting plate of impcting crusher
CN101850285A (en) * 2010-06-13 2010-10-06 淮阴工学院 Combined position board hammer of reaction crusher capable of rapidly changing wear position and manufacturing method thereof
CN202762480U (en) * 2012-08-07 2013-03-06 上海建设路桥机械设备有限公司 Vertical shaft impact crusher rotor
CN203196686U (en) * 2013-04-11 2013-09-18 嘉兴山通矿山设备有限公司 Sand making machine
CN203540657U (en) * 2013-11-06 2014-04-16 中联重科股份有限公司 Throw stub bar, impeller and impact system sand machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797814A (en) * 2016-05-09 2016-07-27 沙洲职业工学院 Bi-metal composite plate hammer for impact type ore crusher
CN111957393A (en) * 2020-08-17 2020-11-20 郑州大学 Plate hammer with dual functions of striking and extruding

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