CN209918000U - Hammer head of hammer crusher - Google Patents
Hammer head of hammer crusher Download PDFInfo
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- CN209918000U CN209918000U CN201920641634.3U CN201920641634U CN209918000U CN 209918000 U CN209918000 U CN 209918000U CN 201920641634 U CN201920641634 U CN 201920641634U CN 209918000 U CN209918000 U CN 209918000U
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- hammer
- wear
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- tool bit
- block
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Abstract
The utility model relates to the field of crushing machinery, a hammer head of hammer crusher is provided, including hammer block, side tool bit, top tool bit, side protection piece, wear-resisting locating piece, wear-resisting cover, oil cup and plug to it has oil storage tank and oil seepage hole to open on wear-resisting cover. The utility model discloses novel structure has effectively utilized the top working face and the both sides working face of tup, has all implemented the fixed of 6 directions to 3 tool bits, has implemented effective protection to the side of hammer block, and the wear-resisting cover has protected the hammer spindle of shaft hole on the hammer block and breaker, and oil storage tank and oil leakage hole have guaranteed continuous lubrication, and the plug has ensured the reliability that the oil cup used. The utility model discloses increased the wearability of hammer block working face, improved the work security of tup, improved the frictional wear condition of tup with the material, prolonged the life of tup, be the innovation in the aspect of the breaker tup.
Description
Technical Field
The utility model relates to the field of crushing machinery, especially a hammer crusher tup.
Background
In many fields such as mines, smelting, building materials and the like, a large amount of raw materials and recycled waste materials need to be processed and treated by a crusher every year. The hammer crusher has the characteristics of large crushing ratio, high production rate, uniform product granularity and the like, and becomes main equipment for crushing materials.
The hammer head of the hammer crusher is a key part for directly striking materials, and in order to prolong the service life of the hammer head, the side surface and the top end part of the hammer head are required to have higher hardness so as to ensure that the hammer head has good wear resistance, thereby ensuring that the service life of the hammer head is prolonged; the hammer body part of the hammer head is required to have high toughness, so that the hammer head is prevented from being failed due to accidental breakage in the using process, and the safe use of the hammer head is ensured.
In order to solve the problems, a combined hammer head is provided, a high-chromium cast iron protection block is adopted to protect a hammer body, a tool bit is cast in a working surface in an embedding mode, the tool bit which really plays a crushing role is made of hard alloy, the hammer body plays a supporting and auxiliary crushing role, and the actual service life is prolonged exponentially.
The combined hammer head has the problems that when the ① hammer head rotates, the top end of the hammer head is also a working surface, frictional wear of the working surface is not emphasized by people, an embedded structure between the ② tool bit and the hammer body is easy to cause the tool bit to fall off in the working process, the frictional wear between the ③ shaft hole and the hammer shaft of the crusher can cause the change of the distance between the impact part of the hammer head and the main rotating shaft, the required centripetal force is different when the hammer head rotates, the unbalance of the main rotating shaft can increase the shaking and the friction of the main rotating shaft, the frictional wear between the shaft hole and the hammer shaft can cause the expansion of the matching gap of a friction pair, the hole on the hammer body is oval or even fails, the service life of the crusher is greatly shortened, and in order to improve the wear resistance of the hammer body, the whole hammer body is often required to be quenched, so that the labor intensity is high.
Chinese patent CN202893425U discloses a combined wear-resistant hammer head for double-side use, which adopts the technical scheme that a wear-resistant sleeve in interference fit with a hammer body is arranged in a shaft hole of the hammer body, a tool bit is arranged on a working surface of the hammer body, and a protective block is arranged on the hammer body between the shaft hole and the tool bit, but the scheme has the problems that ① does not protect the top surface of the hammer body and does not effectively utilize the working surface, the hammer head is low in production efficiency and short in service life, ② the tool bit and the hammer body are connected through a dovetail groove and fixed together by a brazing method, the dovetail groove only ensures the positioning in 4 directions, the fixation along two directions of the dovetail groove is connected by brazing, the brazing connection strength is generally low, when the hammer head works, the impact force of materials and the tool bit is huge, the component force in other directions is large except the front impact position, after working for a certain time, the brazing seam fails, the tool bit slides out along the dovetail groove, the hammer head is damaged and endangers the safety of personnel and equipment, ③ is embedded with the wear-resistant sleeve at the shaft hole, although the wear resistance is effectively improved, the wear-resistant sleeve and the hammer shaft does not have the influence on the interference fit between the hammer body and the long service life of the hammer shaft, the hammer head and the hammer shaft, the hammer head.
The Chinese patent CN202942927U discloses a lubricating type combined hammer head, which adopts the technical scheme that an annular oil storage groove is formed in a hammer body along the middle of the inner wall of a shaft hole, a counter bore communicated with the oil storage groove is formed in the circumferential normal direction of the shaft hole, an oil cup is arranged in the counter bore, and an oil outlet of the oil cup is connected with the oil storage groove, so that the lubricating problem of a hammer shaft and a hammer hole can be partially solved.
In conclusion, the hammer head of the hammer crusher is revolutionary and innovative.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hammer head of hammer crusher, the hammer block top wear resistance of having solved current tup is poor, the easy roll-off of inlayed tool bit, shaft hole wear resistance are poor, lubricated difficult scheduling problem between shaft hole and hammer spindle.
The utility model adopts the following technical scheme:
a hammer head of a hammer crusher comprises a hammer body, a side tool bit, a top tool bit, a side protection block I, a side protection block II, a wear-resistant positioning block, an inner hexagonal socket head cap screw, a wear-resistant sleeve, an oil cup and a plug; the top of the hammer body is provided with a side tool bit and a top tool bit, the middle of the hammer body is provided with a side protection block I and a side protection block II, the tail of the hammer body is provided with a shaft hole, the shaft hole is provided with a key groove and a stepped hole IV, and the tail of the hammer body is sequentially provided with a wear-resistant sleeve, an oil cup and a plug.
The hammer block top is opened there are dovetail I and dovetail II, the side tool bit have forked tail bead I, the top tool bit have forked tail bead II, forked tail bead I cooperatees the installation with dovetail I, forked tail bead II cooperatees the installation with dovetail II of dovetail.
The number of the side cutter heads is 2.
The hammer body is provided with a threaded hole, and the wear-resistant positioning block is provided with a stepped hole I; the inner hexagonal socket head cap screw is matched with the threaded hole and the stepped hole I to connect the hammer body and the wear-resistant positioning blocks together, the number of the wear-resistant positioning blocks is 2, and the number of the inner hexagonal socket head cap screw is 4.
The middle part of the hammer body is provided with a through hole, the side surface protection block I is provided with a stepped hole II, the upper part of the stepped hole II is a hexagonal inner hole, the lower part of the stepped hole II is a circular hole, and the side surface protection block II is provided with a circular stepped hole III; and the bolt, the spring washer and the nut are matched with the stepped hole II, the through hole and the stepped hole III to connect the side protection block I, the hammer body and the side protection block II together.
The wear-resistant sleeve is provided with a convex key, and the convex key is matched with the key groove to inlay the wear-resistant sleeve and the hammer body together.
The wear-resisting cover be equipped with oil storage tank and oil leakage hole, 3 oil leakage holes, along circumference evenly distributed, the oil storage tank meet with the oil-out of oil cup.
The oil cup is arranged in a stepped hole IV of the hammer body.
The upper part of the stepped hole IV is provided with threads, and the screwed plug is installed on the hammer body through threaded connection.
The utility model has the advantages of it is following: novel structure, the tool bit that carbide made is all installed to three working face, has implemented the fixed of 6 directions to every tool bit through the cooperation of dovetail and forked tail bead and combine wear-resisting locating piece, has protected the side of hammer block with removable protection piece, and the hammer spindle of shaft hole and breaker has effectively been protected to wear-resisting cover, and the oil storage tank has guaranteed to last the lubrication, and the normal use of oil cup has been ensured to the plug. The utility model discloses increased the wearability of hammer block working face, improved the work security of tup, improved the frictional wear condition of tup with the material, strengthened the hammer eye and deposited the wearability between the breaker hammer spindle and last the lubricity, prolonged the life of tup, be the innovation in the aspect of the breaker tup.
Drawings
Fig. 1 is a front view of a hammer head of a hammer crusher of the present invention;
fig. 2 is a main sectional view of a hammer head of the hammer crusher of the present invention;
fig. 3 is a left side view of the hammer head of the hammer crusher of the present invention;
fig. 4 is a top view of a hammer body of a hammer head of a hammer crusher according to the present invention;
FIG. 5 is a stepped cross-sectional view of the hammer body of the hammer head of the hammer crusher along the A-A track;
fig. 6 is a left side view of the hammer body of the hammer head of the hammer crusher of the present invention;
fig. 7 is a right side view of the hammer body of the hammer head of the hammer crusher of the present invention;
fig. 8 is a front view of a side tool bit of a hammer head of a hammer crusher according to the present invention;
fig. 9 is a left side view of a side tool bit of a hammer head of a hammer crusher of the present invention;
fig. 10 is a front view of a top tool bit of a hammer head of a hammer crusher according to the present invention;
fig. 11 is a top view of a top tool bit of a hammer head of a hammer crusher of the present invention;
fig. 12 is a front view of a wear-resistant positioning block of a hammer head of a hammer crusher of the present invention;
fig. 13 is a left cross-sectional view of a wear-resistant positioning block of a hammer head of a hammer crusher of the present invention;
fig. 14 is a front view of a side protection block i of a hammer head of a hammer crusher according to the present invention;
fig. 15 is a top view of a side protection block i of a hammer head of a hammer crusher according to the present invention;
fig. 16 is a front view of a side protection block ii of a hammer head of a hammer crusher of the present invention;
fig. 17 is a top view of a side protection block ii of a hammer head of a hammer crusher of the present invention;
fig. 18 is a main sectional view of a wear-resistant sleeve of a hammer head of the hammer crusher of the present invention;
fig. 19 is a top view of a wear-resistant sleeve of a hammer head of a hammer crusher according to the present invention;
fig. 20 is a front view of a plug of a hammer head of a hammer crusher according to the present invention;
fig. 21 is a right side view of a plug of a hammer head of a hammer crusher of the present invention;
fig. 22 is an enlarged view of a position a of the hammer head of the hammer crusher of the present invention.
Description of reference numerals: 1. the novel oil-gas seal hammer comprises a hammer body, 2, a side tool bit, 3, a top tool bit, 4, a side protection block I, 5, a side protection block II, 6, a wear-resistant positioning block, 7, an inner hexagonal socket head screw, 8, a wear-resistant sleeve, 9, an oil cup, 10, a screw plug, 11, a dovetail groove I, 12, a dovetail groove II, 13, a dovetail convex edge I, 14, a dovetail convex edge II, 15, a threaded hole, 16, a stepped hole I, 17, a through hole, 18, a stepped hole II, 19, a stepped hole III, 20, a shaft hole, 21, a key groove, 22, a stepped hole IV, 23, a convex key, 24, an oil storage groove, 25 and an oil leakage hole.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 22, a hammer head of a hammer crusher comprises a hammer body 1, a side tool bit 2, a top tool bit 3, a side protection block I4, a side protection block II 5, a wear-resistant positioning block 6, an inner hexagonal socket head screw 7, a wear-resistant sleeve 8, an oil cup 9 and a plug 10, and is characterized in that the side tool bit 2 and the top tool bit 3 are installed at the top of the hammer body 1, the hammer body 1 is respectively positioned with the side tool bit 2 and the top tool bit 3 through the wear-resistant positioning block 6 and the inner hexagonal socket head screw 7, the side protection block I4 and the side protection block II 5 are installed in the middle of the hammer body 1, and the wear-resistant sleeve 8, the oil cup 9 and the plug 10 are sequentially installed at the tail of the hammer body.
The hammer body 1 is made of low alloy steel and has high strength and high toughness.
The top of the hammer body 1 is provided with a dovetail groove I11 and a dovetail groove II 12, the sections of the side tool bit 2 and the top tool bit 3 are in a dovetail shape, and a dovetail convex rib I13 of the side tool bit 2 is matched with the dovetail groove I11 of the hammer body 1; the dovetail rib II 14 of the top end tool bit 3 is matched with the dovetail groove II 12 of the hammer body 1.
The number of the side cutter heads 2 is 2.
The side tool bit 2 and the top tool bit 3 are made of hard alloy, have high hardness and are suitable for crushing materials.
The hammer body 1 is provided with a threaded hole 15, the wear-resistant positioning block 6 is provided with a stepped hole I16, the inner hexagonal socket head cap screws 7 are matched with the threaded hole 15 and the stepped hole I16 to connect the hammer body 1 and the wear-resistant positioning block 6 together, the number of the wear-resistant positioning blocks 6 is 2, and the number of the inner hexagonal socket head cap screws 7 is 4.
1 middle part of hammer block open and to have through-hole 17, side protection piece I4 be equipped with shoulder hole II 18, II 18 upper portions of shoulder hole be the hexagon hole, the lower part is circular through-hole, side protection piece II 5 be equipped with circular shoulder hole III 19, bolt, spring washer and nut and shoulder hole II 18, through-hole 17, shoulder hole III 19 cooperate with side protection piece I4, hammer block 1 and side protection piece II 5 link together.
The side protection block I4 and the side protection block II 5 are made of high-chromium cast iron rich in boron nitride, and are high in hardness, certain in toughness and good in protection effect.
The hammer body 1 is provided with a threaded hole 15, the wear-resistant positioning block 6 is provided with a stepped hole I16, and the inner hexagonal socket head cap screw 7 is matched with the threaded hole 15 and the stepped hole I16 to connect the hammer body 1 and the wear-resistant positioning block 6 together.
2 wear-resisting locating blocks 6 are provided.
The number of the inner hexagonal socket head cap screws 7 is 4.
Wear-resisting locating piece dovetail bead I13 to side tool bit 2 and dovetail bead II 14 to top tool bit 3 have a positioning action along the dovetail direction, guaranteed that side tool bit 2 and top tool bit 3 have guaranteed the fixed of 6 orientations of tool bit along the fore-and-aft location of dovetail with the dovetail cooperation, the phenomenon of tool bit roll-off can not take place in the during operation, has improved the security of operation.
The wear-resistant positioning block 6 is made of high-chromium cast iron rich in boron nitride, and has high hardness, certain toughness and good protection effect.
The tail of the hammer body 1 is provided with a shaft hole 20, the shaft hole 20 is provided with a key groove 21 and a stepped hole IV 22, the wear-resistant sleeve 8 is provided with a convex key 23, the convex key 23 is matched with the key groove 21 to enable the wear-resistant sleeve 8 to be embedded with the hammer body 1, relative motion between the wear-resistant sleeve 8 and the shaft hole 20 can be guaranteed, and the hammer shaft, the wear-resistant sleeve 8 and the hammer body 1 cannot move mutually.
An oil cup 9 is arranged in a stepped hole IV 22 of the hammer body 1.
Wear-resisting cover 8 open and to have an oil storage tank 24 and open 3 oil permeability holes 25 on oil storage tank 24, oil permeability holes 25 along circumference evenly distributed, the oil-out of oil cup 9 link to each other with oil storage tank 24, can pour into lubricating oil into oil storage tank 24 through oil cup 9 in, lubricating oil can permeate between hammer spindle and wear-resisting cover 8 through oil permeability hole 25 in oil storage tank 24, lubricating oil can not ooze completely in the short time like this, guaranteed the continuous lubrication between wear-resisting cover 8 and the hammer spindle, effectively protected hammer spindle, shaft hole 20 and wear-resisting cover 8, prolonged the life of tup and hammer spindle.
The wear-resistant sleeve 8 is made of a quenched 40Cr material, the hardness is HRC45-52, and the wear resistance is good.
The upper portion of the stepped hole IV 22 is provided with threads, the plug 10 is installed on the hammer body 1 through threaded connection, the plug 10 can effectively prevent powder from entering the stepped hole IV 22 during working, cleaning of the oil cup 9 is effectively guaranteed, the oil cup can be in a normal working state, and oil can be normally filled into the oil cup 9.
When the utility model is used, the hammer head is arranged on the hammer shaft of the crusher through the shaft hole 20 on the hammer head, when the hammer head operates, because the key groove positioning and the wear-resistant sleeve 8 with the interference fit of the shaft hole are arranged in the shaft hole 20 of the hammer body 1, the problems of failure of the hammer body 1 caused by long-term abrasion of the hammer shaft of the crusher and the hammer body 1, high labor intensity, high energy consumption and the like caused by quenching the whole hammer body 1 are avoided, lubricating oil is injected into the oil storage groove 24 through the oil cup 9 to continuously and effectively lubricate the hammer shaft of the crusher, the shaft hole 20 and the wear-resistant sleeve 8, the hammer body 1 is protected from being lifted by increasing the side protection block I4 and the side protection block II 5, the side protection block adopts a high-chromium cast iron material rich in boron nitride, the wear resistance of the side protection block is further improved, the side tool bit 2, the top end 3 and the hammer body 1 are matched through the dovetail groove and positioned by the protection block 6, the stability and the safety of the side tool bit 2 and the top tool bit 3 are ensured, and the normal work of the oil cup 9 is ensured by the plug 10, so that the hammer head is effectively protected.
Compared with the prior art, the utility model, outstanding beneficial effect has:
1) the side surface of the hammer body is effectively protected, the protection block can be quickly replaced, and the service life of the hammer head is prolonged;
2) the tool bit is arranged on the working surface at the top end of the hammer body, so that the top end of the hammer body is protected, the working surface at the top end of the hammer head is effectively utilized, and the working efficiency is improved;
3) the tool bit and the hammer body are matched by adopting a dovetail groove and are positioned together by utilizing a wear-resistant positioning block, so that the tool bit is fixed in 6 directions and cannot fall off;
4) the wear-resistant sleeve embedded in the shaft hole and the hammer body are positioned by the key groove and are in interference fit with the shaft hole, so that the relative motion cannot occur while the wear resistance is improved, and the normal use is ensured;
5) the lubricating oil injected through the oil cup can be stored in the oil storage tank and seeps between the hammer shaft and the wear-resistant sleeve through the oil seepage hole, the oil storage tank is positioned between the outer layer of the wear-resistant sleeve and the shaft hole wall of the hammer body, the oil storage tank cannot seep out and run off completely in a short time, and the continuous lubrication between the wear-resistant sleeve and the hammer shaft is ensured;
6) the plug is arranged at the position where the oil cup is installed, so that powder is effectively prevented from entering, and the normal use of the oil cup is ensured.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention are all included in the scope of the present invention.
Claims (9)
1. The utility model provides a hammer head of hammer crusher which characterized in that: the novel hammer comprises a hammer body (1), a side tool bit (2), a top tool bit (3), a side protection block I (4), a side protection block II (5), a wear-resistant positioning block (6), an inner hexagonal socket head cap screw (7), a wear-resistant sleeve (8), an oil cup (9) and a plug (10); side tool bit (2) and top tool bit (3) are installed at hammer block (1) top, and hammer block (1) mid-mounting has side protection piece I (4) and side protection piece II (5), and hammer block (1) afterbody is opened there is shaft hole (20), and it has keyway (21) and shoulder hole IV (22) to open on shaft hole (20), and wear-resisting cover (8), oil cup (9) and plug (10) are installed in proper order to hammer block (1) afterbody.
2. A hammer head for a hammer crusher according to claim 1, wherein: hammer block (1) top is opened there are dovetail I (11) and dovetail II (12), side tool bit (2) have forked tail bead I (13), top tool bit (3) have forked tail bead II (14), forked tail bead I (13) and dovetail I (11) installation of cooperateing, forked tail bead II (14) and dovetail II (12) installation of cooperateing.
3. A hammer head for a hammer crusher according to claim 1, wherein: the number of the side tool bits (2) is 2.
4. The hammer head of a hammer crusher according to claim 1, wherein the hammer body (1) is provided with a threaded hole (15), and the wear-resistant positioning block (6) is provided with a stepped hole I (16); the hammer body (1) is connected with the wear-resistant positioning blocks (6) through the matching of the inner hexagonal socket head cap screws (7) with the threaded holes (15) and the stepped holes I (16), the number of the wear-resistant positioning blocks (6) is 2, and the number of the inner hexagonal socket head cap screws (7) is 4.
5. A hammer head for a hammer crusher according to claim 1, wherein: the middle part of the hammer body (1) is provided with a through hole (17), the side surface protection block I (4) is provided with a stepped hole II (18), the upper part of the stepped hole II (18) is a hexagonal inner hole, the lower part of the stepped hole II (18) is a circular hole, and the side surface protection block II (5) is provided with a circular stepped hole III (19); the bolt, the spring washer and the nut are matched with the stepped hole II (18), the through hole (17) and the stepped hole III (19) to connect the side protection block I (4), the hammer body (1) and the side protection block II (5) together.
6. A hammer head for a hammer crusher according to claim 1, wherein: the wear-resistant sleeve (8) is provided with a convex key (23), and the convex key (23) is matched with the key groove (21) to inlay the wear-resistant sleeve (8) and the hammer body (1) together.
7. A hammer head for a hammer crusher according to claim 1, wherein: the wear-resistant sleeve (8) is provided with an oil storage groove (24) and oil penetration holes (25), the number of the oil penetration holes (25) is 3, the oil storage groove (24) is uniformly distributed along the circumference, and the oil outlet of the oil cup (9) is connected with the oil storage groove (24).
8. A hammer head for a hammer crusher according to claim 1, wherein: the oil cup (9) is arranged in a stepped hole IV (22) of the hammer body (1).
9. A hammer head for a hammer crusher according to claim 1, wherein: the upper part of the stepped hole IV (22) is provided with threads, and the plug (10) is installed on the hammer body (1) through threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641634.3U CN209918000U (en) | 2019-05-07 | 2019-05-07 | Hammer head of hammer crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641634.3U CN209918000U (en) | 2019-05-07 | 2019-05-07 | Hammer head of hammer crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209918000U true CN209918000U (en) | 2020-01-10 |
Family
ID=69089814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920641634.3U Expired - Fee Related CN209918000U (en) | 2019-05-07 | 2019-05-07 | Hammer head of hammer crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209918000U (en) |
-
2019
- 2019-05-07 CN CN201920641634.3U patent/CN209918000U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |