CN103041893A - Plate hammer of impact crusher - Google Patents
Plate hammer of impact crusher Download PDFInfo
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- CN103041893A CN103041893A CN2013100188497A CN201310018849A CN103041893A CN 103041893 A CN103041893 A CN 103041893A CN 2013100188497 A CN2013100188497 A CN 2013100188497A CN 201310018849 A CN201310018849 A CN 201310018849A CN 103041893 A CN103041893 A CN 103041893A
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- bar
- tup
- alloy
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- impact crusher
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Abstract
The invention discloses a plate hammer of an impact crusher, comprising a plate hammer which is mounted on an impact crusher rotor (1), wherein the plate hammer is composed of a plate hammer mounting body (2) and an alloy hammer (3); and the plate mounting body (2) is connected with the rotor (1). According to the invention, the plate hammer of the impact crusher is divided into the mounting part and the wearable part, the two of which are made of different materials; and the non-wearable part of the hammer is fabricated by adopting common forged steel, while the wearable part of the hammer part is fabricated by adopting alloy material; in the way, the fabrication cost of the plate hammer can be greatly reduced. The plate hammer mounting plate is connected with the alloy hammer in a mechanical fixing way so that the alloy hammers of different materials such as high-manganese material hammer, combined hammer inlaid with highly wearable alloy and the like can be replaced according to different materials to be crushed; and the replacement is very convenient.
Description
Technical field
The present invention relates to a kind of board hammer structure of impact crusher, belong to the impact crusher technical field.
Background technology
Impact breaker is a kind of crushing mechanism that utilizes impact energy to come broken material.Building stones are directly fallen into the rotor of High Rotation Speed by machine top; Utilize the epitrochanterian bar of High Rotation Speed, the material of sending in the crusher chamber is produced high speed impact and fragmentation, and make broken material tangentially with the counterpunch board of throwing at a high speed the crusher chamber other end, again be broken, and then by the counterpunch board bar that rebounds, repeat said process.Material is in coming and going the way, and storeroom also has mutual tampering action; Since material be subject to bar strike, with impact and the material collision each other of counterpunch board, material constantly produces the crack, and is loose and cause pulverizing, when raw meal particle size during less than the slit between counterpunch board and the bar, claps material from the lower end and mouthful discharges.It is large to have production capacity, and the ratio of reduction is large, broken after material be the advantages such as cube grain, granularity are little.Epitrochanterian main broken parts of impact crusher are bar mounted thereto, and there is following shortcoming in existing board hammer structure:
1, existing bar adopts the high chromium of monoblock or high violent material to make, and causes bar to be subjected to the Effect of Materials cost higher, can only utilize 2/5 of bar gross mass at most simultaneously at every turn, exists the bar utilization rate low, the shortcoming that the bar replacement cost is high;
2, the bar of existing structure is that monoblock cast forms, and because bar is heavy, it is very inconvenient to cause dismantling, install, transport during replacing;
3, the existing structure bar is that monoblock cast forms, and relies on bolt or voussoir to be locked on the rotor when bar is installed, and be hit for a long time back wedge and bolt of bar is easily loosening, and the bar after loosening easily drops under HI high impact or ruptures, affects use.
4, existing bar mainly adopts high chromium or high violent material to make, and is subjected to the restriction of the hardness of bar own and wearability when broken harder objuct material and very hard material, and the bar life-span is extremely low;
5, the existing structure bar adopts monoblock cast to form, and because bar casting flaw, non-broken material cause bar to damage and bar weares and teares and need to change monoblock or a whole set of bar when inhomogeneous, replacement cost is high, and the bar waste of material is very large.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of simple in structure, reliably, bar is changed convenient, fast, can improve bar service life, reduce the bar replacement cost, improve the high-abrasive material utilization rate, reduce the bar of the impact crusher of waste of material, increase equipment safety in utilization, can overcome the deficiencies in the prior art.
Technical scheme of the present invention is: the bar of impact crusher, and it comprises the bar that is installed on the impact crushing rotor, and bar is by bar fixing body and alloy tup group and consist of, and the bar fixing body is connected with rotor.
Bar fixing body and alloy tup adopt mechanical means to interconnect.
The contact-making surface of bar fixing body and alloy tup is the inclined-plane that cooperatively interacts, the impact side of inclined-plane tendency bar fixing body, and the contact-making surface at both offers dovetail groove and the dovetail boss that cooperatively interacts, and the end face of the bottom surface of dovetail groove and dovetail boss is horizontal plane.
The side that is hit at the hammer fixing body is connected with baffle plate, and the stage casing of baffle plate is positioned at the contact-making surface of bar fixing body and alloy tup.
Offer spring mounting hole at the alloy tup, be inserted with spring in spring mounting hole, the other end of spring contacts with baffle plate.
The alloy tup is made of amalgamation more than two sections..
The formation of alloy tup comprises the tup parent that is connected with the bar fixing body, has been welded with abrasion-proof manganese steel at the tup parent.
The formation of alloy tup comprises the tup parent that is connected with the bar fixing body, is welded with the welding transition plate in the side that is hit of tup parent, is connected with overlay cladding at the welding transition plate; Be connected with the shock-resistant antifriction alloy of front end at the turning that is hit of tup parent, be connected with the upper end high-wear-resistant alloy at the top of tup parent.
Offer high-abrasive material built-up welding hole at abrasion-proof manganese steel, built-up welding has high-abrasive material in high-abrasive material built-up welding hole.
The formation of alloy tup comprises the tup parent that is connected with the bar fixing body, is connected with abrasion-proof manganese steel at the tup parent, offers high-abrasive material built-up welding hole at abrasion-proof manganese steel, is inlaid with the high-wear-resistant alloy head in high-abrasive material built-up welding hole.
Compared with the prior art, the present invention has the following advantages:
1, the bar that will strike back brokenly of the present invention is divided into the combining structure of mounting portion and wear-resistant hammer head part, two parts adopt different materials, the non-wear-resisting part of bar adopts common forged steel to process, tup partly adopts the wearing and tearing alloy material to process, but like this with regard to the cost of manufacture of decrease bar, the service life of increase tup.Bar fixing body and alloy tup adopt mechanical means to interconnect, so in use just can change the alloy tup of different materials according to the difference of broken material, such as the violent material tup of height, inlay high-wear-resistant alloy combination tup etc., it is very convenient to change.Because it is that high-strength alloy is adopted in the end, so just can adopt the higher high-abrasive material of quality, and the wear-out life of antifriction alloy to be high violent or high chromium material get to know more than 5 times, and the alloy utilization rate can further save cost, improve stock utilization especially up to more than 90%.
2, the present invention comes impact crusher alloy bar pressing board hammer fixing body and wear-resistant hammer head fractionation, only need dismantle tup when installing and dismantling partly gets final product, relatively whole bar, because only changing the tup part, lighter weight, and both install the combination of adopting dovetail groove and inclined-plane, can make like this replacing easier for installation, tup is pushed in the dovetail groove, install spring, tup baffle plate and can realize safety, reliably, connect efficiently.
3, the present invention installs parent and tup with bar and splits and come, and safeguards when changing and only need change the tup part, so just the bar parent can be used bolt locked on rotor (such as the destruction screw thread).Auto lock when the special mounting mode of bar parent and tup is subjected to material to be hit with tup centrifugal force at bar, relatively existing connection has improved the equipment safety in utilization.
4, the present invention connects high-strength alloy at the tup parent of existing high violent material, and the durability of the alloy tup of making like this is existing more than 3 times of high chromium material, and resistance to impact is not less than high chromium plate hammer.And the use of alloy tup can make this equipment can realize the fragmentation of high rigidity or intensity rock, improves bar service life, enlarges the use field of impact breaker.
5, the alloy bar of impact breaker of the present invention adopts combination, the alloy tup that connects the polylith partial installation at an alloy tup, can change separately the corresponding site tup like this when concentrated wear appears in the alloy tup, the tup replacement cost is reduced, stock utilization is higher.
6, the alloy tup is combined by parent and high-strength alloy, can further reduce like this cost of alloy tup, reduces the mechanical processing difficulty of parent fraction, can further cut down finished cost again.
7, adopt different high-strength alloy combinations on the alloy tup parent, can adopt according to the difference of the difference of material, crushing effect so reasonable disposition, the service life of can further increase crushing effect, improving the alloy tup.
8, offer spring mounting hole at the alloy tup, be inserted with spring in spring mounting hole, the other end of spring contacts with baffle plate, can make like this alloy tup that is connected on the bar fixing body have relaxation effect, guarantees the stability after baffle plate is fixed.
9, the bottom surface of dovetail groove and the end face of dovetail boss are made as horizontal plane, can reduce like this difficulty of processing of dovetail groove.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing of rotor of the present invention and bar join domain;
Fig. 3 is perspective view of the present invention;
The amalgamation structural representation of Fig. 4 alloy tup;
Fig. 5 is the fixed structure schematic diagram of alloy tup;
Fig. 6 is the structural representation of the first alloy tup;
Fig. 7 is the structural representation of the second alloy tup;
Fig. 8 is the structural representation of the third alloy tup;
Fig. 9 is the structural representation of the 4th kind of alloy tup.
The specific embodiment
Embodiment 1: shown in shown in Fig. 1-6, at impact crushing rotor 14 bars are installed, bar is by bar fixing body 2 and 3 groups of alloy tups and consist of, and wherein bar fixing body 2 is connected with rotor 1.The group of bar fixing body 2 and alloy tup 3 and mode can be the welding but the preferred mechanical fixed form interconnect.Its concrete mechanical connection can be preferred, the contact-making surface of bar fixing body 2 and alloy tup 3 is processed as the inclined-plane that cooperatively interacts, the impact side of inclined-plane tendency bar fixing body 2, and the contact-making surface at both offers dovetail groove 4 and the dovetail boss 5 that cooperatively interacts, the end face of the bottom surface of dovetail groove 4 and dovetail boss 5 is horizontal plane, this structure is convenient to process dovetail groove and boss, bar fixing body 2 can be connected further tight with the cooperation of alloy tup 3 in the course of the work like this, can not occur breaking away from, for further increasing its security, the side that is hit at bar fixing body 2 is connected with baffle plate 6, the stage casing of baffle plate 6 is positioned at the contact-making surface of bar fixing body 2 and alloy tup 3, and offer spring mounting hole 7 at alloy tup 3, spring mounting hole 7 is opened on the dovetail boss 5, be inserted with spring in spring mounting hole 7, the other end of spring contacts with baffle plate 6.
In impact crusher work engineering, the degree of bar wearing and tearing is different, to be connected to the alloy tup 3 on the bar fixing body 2 be that amalgamation consists of more than two sections by vertical cutting in the present invention for this reason, can change according to abrasion condition segmentation alloy tup 3 like this..
Embodiment 2: shown in shown in Fig. 1-5 and 7, at impact crushing rotor 14 bars are installed, bar is by bar fixing body 2 and 3 groups of alloy tups and consist of, and wherein bar fixing body 2 is connected with rotor 1.The group of bar fixing body 2 and alloy tup 3 and mode can be the welding but the preferred mechanical fixed form interconnect.Its concrete mechanical connection can be preferred, the contact-making surface of bar fixing body 2 and alloy tup 3 is processed as the inclined-plane that cooperatively interacts, the impact side of inclined-plane tendency bar fixing body 2, and the contact-making surface at both offers dovetail groove 4 and the dovetail boss 5 that cooperatively interacts, the end face of the bottom surface of dovetail groove 4 and dovetail boss 5 is horizontal plane, this structure is convenient to process dovetail groove and boss, bar fixing body 2 can be connected further tight with the cooperation of alloy tup 3 in the course of the work like this, can not occur breaking away from, for further increasing its security, the side that is hit at bar fixing body 2 is connected with baffle plate 6, the stage casing of baffle plate 6 is positioned at the contact-making surface of bar fixing body 2 and alloy tup 3, and offer spring mounting hole 7 at alloy tup 3, spring mounting hole 7 is opened on the dovetail boss 5, be inserted with spring in spring mounting hole 7, the other end of spring contacts with baffle plate 6.
In impact crusher work engineering, the degree of bar wearing and tearing is different, to be connected to the alloy tup 3 on the bar fixing body 2 be that amalgamation consists of more than two sections by vertical cutting in the present invention for this reason, can change according to abrasion condition segmentation alloy tup 3 like this..
Embodiment 3: shown in shown in Fig. 1-6 and 8, at impact crushing rotor 14 bars are installed, bar is by bar fixing body 2 and 3 groups of alloy tups and consist of, and wherein bar fixing body 2 is connected with rotor 1.The group of bar fixing body 2 and alloy tup 3 and mode can be the welding but the preferred mechanical fixed form interconnect.Its concrete mechanical connection can be preferred, the contact-making surface of bar fixing body 2 and alloy tup 3 is processed as the inclined-plane that cooperatively interacts, the impact side of inclined-plane tendency bar fixing body 2, and the contact-making surface at both offers dovetail groove 4 and the dovetail boss 5 that cooperatively interacts, the end face of the bottom surface of dovetail groove 4 and dovetail boss 5 is horizontal plane, this structure is convenient to process dovetail groove and boss, bar fixing body 2 can be connected further tight with the cooperation of alloy tup 3 in the course of the work like this, can not occur breaking away from, for further increasing its security, the side that is hit at bar fixing body 2 is connected with baffle plate 6, the stage casing of baffle plate 6 is positioned at the contact-making surface of bar fixing body 2 and alloy tup 3, and offer spring mounting hole 7 at alloy tup 3, spring mounting hole 7 is opened on the dovetail boss 5, be inserted with spring in spring mounting hole 7, the other end of spring contacts with baffle plate 6.
In impact crusher work engineering, the degree of bar wearing and tearing is different, to be connected to the alloy tup 3 on the bar fixing body 2 be that amalgamation consists of more than two sections by vertical cutting in the present invention for this reason, can change according to abrasion condition segmentation alloy tup 3 like this..
Embodiment 4: shown in shown in Fig. 1-6 and 9, at impact crushing rotor 14 bars are installed, bar is by bar fixing body 2 and 3 groups of alloy tups and consist of, and wherein bar fixing body 2 is connected with rotor 1.The group of bar fixing body 2 and alloy tup 3 and mode can be the welding but the preferred mechanical fixed form interconnect.Its concrete mechanical connection can be preferred, the contact-making surface of bar fixing body 2 and alloy tup 3 is processed as the inclined-plane that cooperatively interacts, the impact side of inclined-plane tendency bar fixing body 2, and the contact-making surface at both offers dovetail groove 4 and the dovetail boss 5 that cooperatively interacts, the end face of the bottom surface of dovetail groove 4 and dovetail boss 5 is horizontal plane, this structure is convenient to process dovetail groove and boss, bar fixing body 2 can be connected further tight with the cooperation of alloy tup 3 in the course of the work like this, can not occur breaking away from, for further increasing its security, the side that is hit at bar fixing body 2 is connected with baffle plate 6, the stage casing of baffle plate 6 is positioned at the contact-making surface of bar fixing body 2 and alloy tup 3, and offer spring mounting hole 7 at alloy tup 3, spring mounting hole 7 is opened on the dovetail boss 5, be inserted with spring in spring mounting hole 7, the other end of spring contacts with baffle plate 6.
In impact crusher work engineering, the degree of bar wearing and tearing is different, to be connected to the alloy tup 3 on the bar fixing body 2 be that amalgamation consists of more than two sections by vertical cutting in the present invention for this reason, can change according to abrasion condition segmentation alloy tup 3 like this..
Claims (10)
1. the bar of an impact crusher, it comprises the bar that is installed on the impact crushing rotor (1), it is characterized in that: bar is by bar fixing body (2) and alloy tup (3) group and consist of, and bar fixing body (2) is connected with rotor (1).
2. the bar of impact crusher according to claim 1 is characterized in that: bar fixing body (2) adopts mechanical means to interconnect with alloy tup (3).
3. the bar of impact crusher according to claim 2, it is characterized in that: bar fixing body (2) is the inclined-plane that cooperatively interacts with the contact-making surface of alloy tup (3), the impact side of inclined-plane tendency bar fixing body (2), and the contact-making surface at both offers dovetail groove (4) and the dovetail boss (5) that cooperatively interacts, and the end face of the bottom surface of dovetail groove (4) and dovetail boss (5) is horizontal plane.
4. the bar of impact crusher according to claim 3 is characterized in that: the side that is hit at hammer fixing body (2) is connected with baffle plate (6), and the stage casing of baffle plate (6) is positioned at the contact-making surface of bar fixing body (2) and alloy tup (3).
5. the bar of impact crusher according to claim 4, it is characterized in that: offer spring mounting hole (7) at alloy tup (3), be inserted with spring in spring mounting hole (7), the other end of spring contacts with baffle plate (6).
6. according to claim 2, the bar of 3,4 or 5 described impact crushers, it is characterized in that: alloy tup (3) is made of amalgamation more than two sections.
7. the bar of impact crusher according to claim 6, it is characterized in that: the formation of alloy tup (3) comprises the tup parent (8) that is connected with bar fixing body (2), has been welded with abrasion-proof manganese steel (13) at tup parent (8).
8. the bar of impact crusher according to claim 6, it is characterized in that: the formation of alloy tup (3) comprises the tup parent (8) that is connected with bar fixing body (2), be welded with welding transition plate (9) in the side that is hit of tup parent (8), be connected with overlay cladding (10) at welding transition plate (9); Be connected with the shock-resistant antifriction alloy of front end (11) at the turning that is hit of tup parent (8), be connected with upper end high-wear-resistant alloy (12) at the top of tup parent (8), between the shock-resistant antifriction alloy of front end (11) and upper end high-wear-resistant alloy (12), be provided with the wearing layer (16) of built-up welding.
9. the bar of impact crusher according to claim 7, it is characterized in that: offer high-abrasive material built-up welding hole at abrasion-proof manganese steel (13), built-up welding has high-abrasive material (14) in high-abrasive material built-up welding hole.
10. the bar of impact crusher according to claim 7, it is characterized in that: the formation of alloy tup (3) comprises the tup parent (8) that is connected with bar fixing body (2), be connected with abrasion-proof manganese steel (13) at tup parent (8), offer high-abrasive material built-up welding hole at abrasion-proof manganese steel (13), in high-abrasive material built-up welding hole, be inlaid with high-wear-resistant alloy head (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018849.7A CN103041893B (en) | 2013-01-18 | 2013-01-18 | Plate hammer of impact crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018849.7A CN103041893B (en) | 2013-01-18 | 2013-01-18 | Plate hammer of impact crusher |
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| CN103041893A true CN103041893A (en) | 2013-04-17 |
| CN103041893B CN103041893B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310018849.7A Expired - Fee Related CN103041893B (en) | 2013-01-18 | 2013-01-18 | Plate hammer of impact crusher |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597874A (en) * | 2016-03-16 | 2016-05-25 | 四川江油新川矿山机械有限公司 | Double-cavity crusher for producing sand |
| CN106975544A (en) * | 2017-04-07 | 2017-07-25 | 浙江华莎驰机械有限公司 | A kind of grinder hammerhead |
| CN107486300A (en) * | 2016-09-22 | 2017-12-19 | 重庆市龙建机械制造有限公司 | A kind of non-round rotor of impact breaker |
| CN111408446A (en) * | 2020-04-18 | 2020-07-14 | 台州市久鼎金属贸易有限公司 | Rotor assembly adopting integral hammer body |
| CN111514986A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Inlaid combined plate hammer |
| CN114589192A (en) * | 2022-02-21 | 2022-06-07 | 许昌学院 | Building rubbish resourceful crushing recycling device |
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| CN202087355U (en) * | 2011-04-19 | 2011-12-28 | 贵州成智重工科技有限公司 | Connection structure for rotor and flat hammer of impact crusher |
| CN202377043U (en) * | 2011-12-15 | 2012-08-15 | 于风福 | Comb-tooth type hammer of crusher |
| CN202490645U (en) * | 2012-03-13 | 2012-10-17 | 湖南德尚源耐磨工业有限公司 | Novel high-temperature-resistant wear-resistant single-roller hammer head |
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2013
- 2013-01-18 CN CN201310018849.7A patent/CN103041893B/en not_active Expired - Fee Related
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| US4558826A (en) * | 1982-07-12 | 1985-12-17 | Evans Products Company | Hammer for automobile shredding mills |
| CN2564248Y (en) * | 2002-08-08 | 2003-08-06 | 吴凌艳 | Wear-proof hammer for crusher |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597874A (en) * | 2016-03-16 | 2016-05-25 | 四川江油新川矿山机械有限公司 | Double-cavity crusher for producing sand |
| CN105597874B (en) * | 2016-03-16 | 2018-12-28 | 四川江油新川矿山机械有限公司 | A kind of double-cavity crushing machine for sand processed |
| CN107486300A (en) * | 2016-09-22 | 2017-12-19 | 重庆市龙建机械制造有限公司 | A kind of non-round rotor of impact breaker |
| CN106975544A (en) * | 2017-04-07 | 2017-07-25 | 浙江华莎驰机械有限公司 | A kind of grinder hammerhead |
| CN111408446A (en) * | 2020-04-18 | 2020-07-14 | 台州市久鼎金属贸易有限公司 | Rotor assembly adopting integral hammer body |
| CN111514986A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Inlaid combined plate hammer |
| CN114589192A (en) * | 2022-02-21 | 2022-06-07 | 许昌学院 | Building rubbish resourceful crushing recycling device |
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| CN103041893B (en) | 2015-05-20 |
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