CN209222252U - A kind of bar and impact breaker of impact breaker - Google Patents
A kind of bar and impact breaker of impact breaker Download PDFInfo
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- CN209222252U CN209222252U CN201822112636.1U CN201822112636U CN209222252U CN 209222252 U CN209222252 U CN 209222252U CN 201822112636 U CN201822112636 U CN 201822112636U CN 209222252 U CN209222252 U CN 209222252U
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- bar
- installation
- hole
- mounting portion
- impact breaker
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Abstract
The utility model discloses a kind of bar of impact breaker and impact breakers, wherein the bar is divided into integrated bar top, bar middle part and bar lower part；The setting of thickening is increased on bar top, is extended the use time that bar is installed for the first time, is extended the service life of bar；The left and right sides makes bar postpone the working condition for remaining to be maintained at a relative equilibrium in change bit not along the setting of bar center symmetrical first mounting portion and the second mounting portion in the middle part of the bar；It is additionally provided with identical and symmetrical along the bar center line step installation through-hole of multiple sizes in the middle part of the bar, the setting of internal screw thread on the position of installation through-hole Road, make side backplate is connected and fixed simpler convenience, improves the mounting stability of side backplate；Meanwhile the both ends of the installation through-hole are both provided with installation step, the installation step plays protective effect to the standard bolt for being used as to be connected and fixed.
Description
Technical field
The utility model relates to mining machinery fields, bar and counterattack in particular to a kind of impact breaker
Formula crusher.
Background technique
Bar is the important component in impact breaker, and in impact breaker, bar is mounted on hammer seat, hammers seat into shape
It is arranged on rotor, bar is rotated with the rotation of rotor；Impact breaker mainly utilizes the rotation of bar material impacting
Reach crushing effect on to counterpunch board.
Bar abrasion is one of main failure forms of impact breaker, and the shape of bar is generally cuboid-type,
In the course of work, a quarter of the uneven wear of bar about total height must just exchange another side and use or directly replace；If
It replaces not in time, material can also wear hammer seat, and hammer seat serious wear can cause entire rotor retirement, cause bigger economic damage
It loses.So the problem that the bar generally existing service life is short, consumption is big, under the harder working condition of some materials, a cage plate
The service life of hammer may only have tens hours；And the replacement of bar needs a large amount of manpower and time, so bar makes
The production efficiency and production cost of complete machine operating are directly related to the service life.
Utility model content
In order to overcome the shortcomings of that existing bar service life is shorter, the utility model provides a kind of impact breaker
Bar and impact breaker, the bar have the advantages of easy for installation and long service life.
Correspondingly, the utility model embodiment provides a kind of bar of impact breaker, the bar bar is divided into
Bar top, bar middle part and the bar lower part of one；Wherein, the height on the bar top and thickness are all with respect under bar
Portion is big；The left and right sides is respectively arranged with that size is identical, structure is identical but not along bar center symmetrical the in the middle part of the bar
One mounting portion and the second mounting portion；It is identical and symmetrical along bar center line that multiple sizes are additionally provided in the middle part of the bar
Step installation through-hole, the both ends of the multiple step installation through-hole are provided with installation step, and the multiple step is pacified
Medium position all castingins of dress through-hole have the normal carbon round steel of ring-shaped.
The each edge of optional embodiment, first mounting portion is both configured to round-corner transition side；
The each edge of second mounting portion is both configured to round-corner transition side.
Optional embodiment, the depth of the height of the normal carbon round steel of the ring-shaped and the step installation through-hole
It spends equal.
The medium position of optional embodiment, the step installation through-hole is provided with internal screw thread.
Optional embodiment, the material of the bar are rich chromium cast iron.
In addition, the utility model embodiment additionally provides a kind of impact breaker, the hammer seat of the impact breaker
On be provided with bar described in multiple the utility model embodiments.
Optional embodiment, the quantity of the bar are even numbers and are symmetrically fastened on the hammer seat two-by-two.
Optional embodiment is provided with the installation slot position equal with the bar quantity, the installation on the hammer seat
The cross-sectional area of slot position is greater than the cross-sectional area of first mounting portion, the second mounting portion.
Optional embodiment, described hammer into shape are provided with the hammer seat installation hole location equal with the multiple bar quantity on seat,
The aperture of the hammer seat installation hole location is equal with the aperture of the step installation through-hole.
The utility model provides the bar and impact breaker of a kind of impact breaker, wherein on the bar
The setting of thickening is increased in portion, is extended the use time that bar is installed for the first time, is extended the service life of bar；First peace
Dress portion and the second mounting portion postpone bar in change bit and remain to be maintained at a phase not along the symmetrical setting in bar center
It, can be to avoid occurring the problem of bar is loosened or deflected away from because of imbalance to the working condition of balance；In the middle part of the installation through-hole
Castingin has the normal carbon round steel of ring-shaped on position, and the process for simplifying installation through-hole machining internal thread reduces production plate
The cost of hammer and the production efficiency for improving production bar；In addition, the setting of step installation through-hole, keeps the connection of side backplate solid
Fixed simpler convenience, and the stability installed is improved, and improves the reliability and safety of impact breaker complete machine
Property；The both ends of the installation through-hole are both provided with installation step, the setting of the installation step, to the standard for being used as to be connected and fixed
Bolt plays protective effect, when bar is needed replacing because of excessive wear, can also recycle standard bolt to reuse, drop
The cost of low production, meets the theory of green production.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it is clear that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the three-dimensional structure view of bar in the utility model embodiment；
Fig. 2 is the side view of bar in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is the three-dimensional structure view of bar in the utility model embodiment, and Fig. 2 is bar in the utility model embodiment
Side view.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of board hammer of impact crusher 1, the bar 1
It is divided into integrated bar top 11, bar middle part 12 and bar lower part 13.In crusher operation process, the bar top 11
It is respectively the first work department and the second work department of bar 1 with bar lower part 13, due to the first work that bar top 11 is bar 1
Make portion, in order to extend the use time that bar 1 is installed for the first time, the height and thickness on the bar top 11 are all with respect to bar lower part
13 is big；12 left and right sides are respectively arranged with that size is identical, structure is identical but not symmetrical along bar center in the middle part of the bar
First mounting portion 121 and the second mounting portion 122；In the middle part of the bar 12 also set up it is identical there are four size and along bar center line
Middle position all castingins of symmetrical step installation through-hole 123, four installation through-holes 123 have the common of ring-shaped
Carbon round steel 124.
The bar 1 is made by way of casting in actual production, and casting, which refers to, is molten into liquid for solid metallic
The casting mold for pouring into specific shape, the processing method to its solidification forming；Since the shape and structure of bar 1 is relatively easy, production is special
The casting mold of setting shape is easier, and consumption is big in actual production for bar 1, needs a large amount of spare part, therefore passes through casting
Mode high-volume the bar 1 be made be more conform with economic benefit.Particularly, in the production process of bar 1, it is also necessary to will
124 castingin of normal carbon round steel of ring-shaped is on the inner wall of the installation through-hole 123, the height of the normal carbon round steel 124
It spends identical as the depth of installation through-hole 123；It should be noted that castingin refers to before casting, metal or non-metal workpiece are pacified
It is placed in casting mold, then pours into molten metal, after cooled and solidified, these parts are just closely embedded in be poured metal casting
To become a kind of processing method of an entirety；In the utility model embodiment, the normal carbon round steel of the ring-shaped
124 are used as castingin part, the normal carbon round steel 124 of the ring-shaped are placed in casting mold before casting, institute after the completion of casting
The normal carbon round steel 124 for stating ring-shaped is just integrally formed with bar 1.
In the course of work of bar 1, bar top 11 is the first work department of bar 1, and bar lower part 12 is the of bar 1
Two work departments that is, after bar top 11 is completely worn out, then exchange the position of bar 1, regard bar lower part 12 as work department.For
Extend that bar 1 installs for the first time uses time, in the utility model embodiment, the height and thickness on the bar top 11
It is all big with respect to bar lower part 13；Increase the bar top 11 after thickening and increase its effective work area, extends the head of bar 1
It is secondary to use the time, improve the service life of bar 1.It should be noted that not increasing bar lower part 13 original of thickening simultaneously
Because being, excessively high bar lower part 13 may impact the normal operation of other components of crusher；If bar
Thickening is increased simultaneously in top 11 and bar lower part 13, and the overall weight of bar 1 will increase dramatically, it is possible to can be broken beyond reaction type
The workload of broken machine can bring more huge economic loss if counterattack impact breaker is damaged because overload operates.
The size is identical, identical first mounting portion 121 of structure and the second mounting portion 122 are mainly used for determining for bar 1
Position；Particularly, in the utility model embodiment, the first mounting portion 121 and the second mounting portion 122 of the bar 1 be not along plate
It is symmetrical to hammer center line into shape.In the practical work process of bar 1, when bar top 11, which may wear to, to work, plate is needed replacing
It hammers lower part 13 into shape and is used as work department；Since the entire length on the bar top 11 after abrasion is shorter than the entire length of bar lower part 13,
In order to make entire bar 1 be able to maintain the working condition in a relative equilibrium, the second mounting portion 122 close to bar lower part 13 is inclined
It is relatively large with a distance from bar center line, therefore the bar 1 that change bit postpones still can keep relative equilibrium, it can be to avoid
Occurs the problem of bar is loosened or deflected away from because of imbalance.In addition, first mounting portion 121 and the second mounting portion 122 is every
When being both configured to round-corner transition, the setting on round-corner transition side reduces the installation difficulty of bar 1 to a certain extent.
The setting installation through-hole identical and symmetrical along bar center line there are four size on 12 in the middle part of the bar
123, the installation through-hole 123 is mainly used for the fixation of bar 1.Specifically, the installation through-hole 123 is that step installation is logical
The both ends in hole, the installation through-hole 123 are both provided with installation step；The setting of the installation step makes the mark for being used as to be connected and fixed
Quasi- bolt can be completely embedded into bar 1, avoid and the thing of bolt fracture occur because material causes impact to bolt head
Therefore effectively improve the installation reliability of bar 1.
In addition, after bar 1 is made by way of casting, it is also necessary to pass through in the medium position of the installation through-hole 123
The machining mode of tapping processes internal screw thread.It should be noted that tapping refers to being wanted screw tap screw-in with certain torque
Internal screw thread is processed in the inner hole of brill；In the utility model embodiment, due to needing accurate thread pitch, using rigid
Property tapping mode process internal screw thread, main shaft can must be rotated and be fed synchronization to match specific screw thread section by rigid tapping
Away from needs.Since in the utility model embodiment, the material of bar 1 uses the preferable rich chromium cast iron of wearability, but due to height
The intensity of chrome cast iron is higher, hardness is larger, if directly carrying out rigid tapping relative difficulty and manufactured mach means
Bar yield rate is lower；In the utility model embodiment, castingin has ring-shaped on the medium position of the installation through-hole 123
Normal carbon round steel 124, normal carbon round steel quality is softer, and it is relatively low to be machined out difficulty to normal carbon round steel 124,
The yield rate that bar 1 is made is higher.
In addition, the utility model embodiment additionally provides a kind of impact breaker, it is arranged on the impact breaker
There is bar 1 described in multiple the utility model embodiments；Wherein, the multiple bar 1 is fastened on impact breaker
It hammers into shape on seat, the hammer seat is fastened on the motor output shaft of the impact breaker, drives institute by the rotation of motor
Multiple bars 1 are stated to be rotated so that crushing effect will be reached on material impacting to counterpunch board.
Specifically, being provided with multiple and described first mounting portion 121 and the second peace on the hammer seat of the impact breaker
The corresponding installation slot position in dress portion 122, wherein the cross-sectional area of the installation slot position is than the first mounting portion 121, the second mounting portion
122 cross-sectional area is slightly larger, therefore there are one between the installation slot position and first mounting portion 121, the second mounting portion 122
Fixed installation gap, the installation gap setting make the simpler convenience of the installation of bar 1, reduce required for installation bar
Time；In the specific installation process of bar 1, first mounting portion 121 or the second mounting portion 122 are installed to the installation
In slot position.
In addition, since the impact force that bar 1 is subject in the course of work is larger, also need bar through standard bolt
1 is fixed on hammer seat.Specifically, be provided with multiple hammer seats installation hole locations on the hammer seat, the hammer seat install hole location with it is described
The aperture of installation through-hole 123 is equal, can be by standard bolt through the installation through-hole 123 and hammer seat in specific installation process
Multiple bars 1 are fastened on hammer seat by installation hole location；When motor rotates, rotor drives hammer seat and is fastened on
It hammers the multiple bars rotation on seat into shape, crushing effect will be reached on material impacting to counterpunch board.Particularly, the installation through-hole
123 be step installation through-hole, and the both ends of the installation through-hole 123 are both provided with installation step, the setting of the installation step,
Protective effect is played to the standard bolt for being used as to be connected and fixed, it, can also be by standard when bar is needed replacing because of excessive wear
Bolt is recycled to reuse, and is reduced the cost of production, is met the theory of green production
It should be noted that in order to improve the working efficiency of impact breaker complete machine, the impact breaker includes
Multiple bars, but for the rotary balance of motor, the bar quantity is necessary for even numbers and is symmetrically disposed on hammer seat two-by-two.
The utility model provides the bar and impact breaker of a kind of impact breaker, wherein on the bar
The setting of thickening is increased in portion, is extended the use time that bar is installed for the first time, is extended the service life of bar；First peace
Dress portion and the second mounting portion postpone bar in change bit and remain to be maintained at a phase not along the symmetrical setting in bar center
It, can be to avoid occurring the problem of bar is loosened or deflected away from because of imbalance to the working condition of balance；In the middle part of the installation through-hole
Castingin has the normal carbon round steel of ring-shaped on position, and the process for simplifying installation through-hole machining internal thread reduces production plate
The cost of hammer and the production efficiency for improving production bar；In addition, the setting of step installation through-hole, keeps the connection of side backplate solid
Fixed simpler convenience, and the stability installed is improved, and improves the reliability and safety of impact breaker complete machine
Property；The both ends of the installation through-hole are both provided with installation step, the setting of the installation step, to the standard for being used as to be connected and fixed
Bolt plays protective effect, when bar is needed replacing because of excessive wear, can also recycle standard bolt to reuse, drop
The cost of low production, meets the theory of green production.
In addition, broken to the bar of a kind of impact breaker provided by the utility model embodiment and reaction type above
Machine is described in detail, and should use specific case herein and be explained the principles of the present invention and embodiment
It states, the method and its core concept of the above embodiments are only used to help understand the utility model；Meanwhile for ability
The those skilled in the art in domain have change based on the idea of the present invention in specific embodiments and applications
Place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of bar of impact breaker, which is characterized in that the bar be divided into integrated bar top, in the middle part of bar with
And bar lower part；Wherein, the height on the bar top and thickness are all big with respect to bar lower part；The left and right sides in the middle part of the bar
It is respectively arranged with that size is identical, structure is identical but not along symmetrical first mounting portion in bar center and the second mounting portion；It is described
It is additionally provided with identical and symmetrical along the bar center line step installation through-hole of multiple sizes in the middle part of bar, the multiple
The both ends of stepwise installation through-hole are provided with installation step, and medium position all castingins of the multiple step installation through-hole have ring
The normal carbon round steel of shape.
2. bar according to claim 1, which is characterized in that each edge of first mounting portion is both configured to fillet mistake
Cross side；
The each edge of second mounting portion is both configured to round-corner transition side.
3. bar according to claim 1, which is characterized in that the height of the normal carbon round steel of the ring-shaped with it is described
The deep equality of step installation through-hole.
4. bar according to claim 1, which is characterized in that in the medium position of the step installation through-hole is provided with
Screw thread.
5. bar according to claim 1, which is characterized in that the material of the bar is rich chromium cast iron.
6. a kind of impact breaker, which is characterized in that be provided on the hammer seat of the impact breaker multiple as right is wanted
Seek bar described in 1 to 5 any one.
7. impact breaker according to claim 6, which is characterized in that the quantity of the bar is even numbers and right two-by-two
It is fastened on the hammer seat with claiming.
8. impact breaker according to claim 7, which is characterized in that be provided on the hammer seat and the bar number
Equal installation slot position is measured, the cross-sectional area of the installation slot position is greater than the cross section of first mounting portion, the second mounting portion
Product.
9. impact breaker according to claim 7, which is characterized in that be provided with and the multiple plate on the hammer seat
It hammers the equal hammer seat of quantity into shape and hole location, the aperture of the hammer seat installation hole location and the aperture phase of the step installation through-hole is installed
Deng.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112636.1U CN209222252U (en) | 2018-12-14 | 2018-12-14 | A kind of bar and impact breaker of impact breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112636.1U CN209222252U (en) | 2018-12-14 | 2018-12-14 | A kind of bar and impact breaker of impact breaker |
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| Publication Number | Publication Date |
|---|---|
| CN209222252U true CN209222252U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822112636.1U Active CN209222252U (en) | 2018-12-14 | 2018-12-14 | A kind of bar and impact breaker of impact breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371262A (en) * | 2020-11-27 | 2021-02-19 | 衡阳鸿宇机械制造有限公司 | Novel impact type plate hammer and preparation process thereof |
| CN114887715A (en) * | 2022-03-12 | 2022-08-12 | 武汉华材表面科技有限公司 | Mounting and fastening mode of plate hammer for crushing |
-
2018
- 2018-12-14 CN CN201822112636.1U patent/CN209222252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371262A (en) * | 2020-11-27 | 2021-02-19 | 衡阳鸿宇机械制造有限公司 | Novel impact type plate hammer and preparation process thereof |
| CN114887715A (en) * | 2022-03-12 | 2022-08-12 | 武汉华材表面科技有限公司 | Mounting and fastening mode of plate hammer for crushing |
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