CN106914317A - A kind of high-frequency breaking hammer - Google Patents
A kind of high-frequency breaking hammer Download PDFInfo
- Publication number
- CN106914317A CN106914317A CN201710127190.7A CN201710127190A CN106914317A CN 106914317 A CN106914317 A CN 106914317A CN 201710127190 A CN201710127190 A CN 201710127190A CN 106914317 A CN106914317 A CN 106914317A
- Authority
- CN
- China
- Prior art keywords
- shaft
- locating shaft
- vibrator
- driven
- locating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
- B02C18/04—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of high-frequency breaking hammer, including housing, vibrator, detent mechanism, damper mechanism and vibration blade row are installed, vibrator includes vibrator housing（Vibrator housing is divided into vibrator main casing and vibrator sub-shell）, vibrator housing is installed on, through the driving shaft of the major and minor housing of vibrator, the first driven shaft engaged by gear with driving shaft, second driven shaft, the 3rd driven shaft engaged by gear with second driven shaft；Detent mechanism includes locating shaft and locating slot, and locating shaft is welded on vibrator or vibration blade row, and locating slot is located to be installed on housing, and locating shaft can freely up and down be moved in locating slot.A kind of high-frequency breaking hammer of the invention, vibrational energy utilization rate is high, and strength of gear is small, so as to increased the broken dynamics of quartering hammer, increases the service life.
Description
Technical field
The present invention relates to a kind of high-frequency breaking hammer, more particularly to a kind of high-frequency breaking hammer.
Background technology
Quartering hammer is that physics that collection hydraulic pressure transmission, Mechanics of Machinery and data signal, Digital Control etc. are integrated is broken to be set
Standby, the blade row of quartering hammer can periodically produce impulsive force in the presence of vibrator to object, and then realize broken.General
Quartering hammer is rotated by hydraulic motor band movable eccentric wheel, and then produces centrifugal force, makes its component in vertical direction be the cycle
Property change perturbed force, force axle to produce the pressure of radial direction forced vibration, and then as exciting force, then have the housing of vibrator will
Vibration passes to blade row and is crushed.
At present, the general quartering hammer of in the market, eccentric block and the gear of vibrator are in the same space, due to bias
The perturbation action of block, lubricating oil is heated up rapidly, is unfavorable for the radiating of gear, accelerates gear wear failure, and quadric chain is caused
Exciting force is not fully utilized, so as to seriously reduce the use time of broken dynamics and quartering hammer.
The content of the invention
Present invention aim to address the problems of the prior art, there is provided a kind of crushing efficiency is high, long service life height
Frequency quartering hammer.
The technical scheme is that：High-frequency breaking hammer, including install housing, vibrator, detent mechanism, damper mechanism and
Vibration blade row, the vibrator is arranged on vibration blade row top, and the damper mechanism is located at vibrator top, and is fixed on installation
On housing, the detent mechanism includes locating shaft and locating slot.
Preferably, the vibrator includes vibrator housing, and vibrator housing is divided into vibrator main casing and vibrator pair
Housing, is installed on vibrator housing, through the driving shaft of the major and minor housing of vibrator, engaged by gear with driving shaft
One driven shaft, second driven shaft, the 3rd driven shaft engaged by gear with second driven shaft.The driving shaft, first from
Eccentric block and gear are mounted on moving axis, second driven shaft, the 3rd driven shaft, eccentric block is located in vibrator sub-shell, tooth
Wheel is located in vibrator main casing, and drive motor is provided with one end of driving shaft.The driving shaft axis and first driven shaft
Axis, second driven shaft axis, the 3rd driven shaft axis are located at same level.
Preferably, described gear includes driving gear, the first driven gear, the second driven gear and the 3rd driven tooth
Wheel；Described driving gear, the first driven gear, the second driven gear, the 3rd driven gear are separately mounted to driving shaft, first
On driven shaft, second driven shaft, the 3rd driven shaft.
Preferably, described driving gear is engaged with the first driven gear, the second driven gear, the second described driven tooth
Wheel is engaged with the 3rd driven gear.
Preferably, the first driven shaft is on the left of the vertical plane of the driving shaft；It is the second driven shaft, the 3rd driven
Axle is on the right side of the vertical plane of the driving shaft；3rd driven shaft is on the right side of the vertical plane of the second driven shaft.
Preferably, described locating shaft one end and the vibration blade row or vibrator welding, the other end are located at the mounting shell
In the locating slot of body.
Preferably, the locating shaft includes that the first left locating shaft, the second left locating shaft, the 3rd left locating shaft, the 4th left side are fixed
Position axle, the first right locating shaft, the second right locating shaft, the 3rd right locating shaft, the 4th right locating shaft；The first left locating shaft,
Two left locating shafts, the first right locating shaft, one end of the second right locating shaft are welded with the vibrator, and the other end is located at the installation
In the locating slot of housing；The 3rd left locating shaft, the 4th left locating shaft, the 3rd right locating shaft, one end of the 4th right locating shaft
With the vibration blade row welding, the other end is in the locating slot of the installation housing.
Preferably, the described first left locating shaft, the 3rd left locating shaft are located at the described second left locating shaft, the 4th left locating shaft
Right side；The first right locating shaft, the 3rd right locating shaft are located at the described second right locating shaft, the left side of the 4th right locating shaft.
Preferably, the described first left locating shaft axis and the described second left locating shaft axis, the first right locating shaft axle
Line, the second right locating shaft axis are located at same level；The 3rd left locating shaft axis and the 4th left locating shaft
Axis, the 3rd right locating shaft axis, the 4th right locating shaft axis are located at same level.
Preferably, the described first left locating shaft axis and the described 3rd left locating shaft axis, the first right locating shaft axle
Line, the 3rd right locating shaft axis are located at same perpendicular；The second left locating shaft axis and the 4th left positioning
Axle axis, the second right locating shaft axis, the 4th right locating shaft axis are located at same perpendicular.
Preferably, the locating slot includes that the first left locating slot, the second left locating slot, the first right locating slot and second are right fixed
Position groove；The height of the first left locating slot, the second left locating slot, the first right locating slot and the second right locating slot, width are homogeneous
Together.
Preferably, the described first left following boundary line of locating slot and the described second left locating slot, the first right locating slot and second
The following boundary line of right locating slot is located at same level；The left border of the first left locating slot and the described first right locating slot
Right side boundary is located at same perpendicular；The left border of the second left locating slot and the described second right locating slot right side boundary
Positioned at same perpendicular.
Preferably, the damper mechanism includes the first air spring, the second air spring, helical spring, vibrating mass.
Preferably, first air spring, second air spring one end are installed on the installation housing, and one end hangs
It is empty；Described helical spring one end is installed on the installation housing, one end and the vibration block welding.
Preferably, second air spring, helical spring are located at the first air spring rear side；Second air spring
Positioned at helical spring rear side；The first air spring axis is located at same with second air spring, spiral axis
Perpendicular.
Brief description of the drawings
Fig. 1 is the stereogram of high-frequency breaking hammer of the present invention；
Fig. 2 is the right view of high-frequency breaking hammer of the present invention；
Fig. 3 is the left view of high-frequency breaking hammer of the present invention；
Fig. 4 is the internal structure explosive decomposition schematic diagram that high-frequency breaking hammer of the present invention removes helical spring and vibrating mass；
Fig. 5 is the structural representation of vibrator of the present invention；
Fig. 6 is the top view that vibrator housing of the present invention removes upper cover plate；
Fig. 7 is that high-frequency breaking hammer of the present invention removes the right view for installing housing right plate；
Fig. 8 is the structural representation of damper mechanism of the present invention；
Specific embodiment
As shown in Figure 1, 2, 3：It is a kind of high-frequency breaking hammer of the invention, including housing 1, vibrator 2, detent mechanism is installed
5th, damper mechanism 6 and vibration blade row 3, the vibrator 2 are arranged on vibration blade row 3 top, and the damper mechanism 5 is located at vibrator
2 tops, and be fixed on installation housing.
As shown in Figure 4,5, 6：Vibrator 2 includes：The driving shaft 213 of vibrator housing 200 is installed on, with driving shaft 213
By gear engage first driven shaft 212, second driven shaft 214, with second driven shaft 214 by gear engage the 3rd from
Moving axis 215.Drive motor 4 is installed in one end of driving shaft 213.The axis of driving shaft 213 and the axis of first driven shaft 212,
The axis of two driven shaft 214, the axis of the 3rd driven shaft 215 are located at same level.First driven shaft 212 is in the perpendicular of driving shaft 213
Face left side directly, second driven shaft 214, the 3rd driven shaft 215 are on the right side of the vertical plane of driving shaft 213；3rd driven shaft 215 is
The vertical plane right side of two driven shafts 214.
Vibrator housing 200 of the invention is by front shroud 201, upper cover plate 202, back shroud, 203, lower cover 204, left cover
Plate 205, right cover plate 206 and demarcation strip 207 weld together composition, and vibrator housing 200 is divided into vibrator by demarcation strip 207
Main casing 2001 and vibrator sub-shell 2002, lower cover 204 weld together with vibration blade row 3, make vibrator 2 and vibrating blade
Arrange 3 integral.
Driving gear 209, the first driven gear 208, the second driven gear 210 and the 3rd driven gear 211 are respectively mounted
Driving shaft 213, first driven shaft 212, on second driven shaft 214, the 3rd driven shaft 215；Driving gear 209, first is driven
Gear 208, the second driven gear 210 and the 3rd driven gear 211 are located in vibrator main casing 2001；Driving gear 209 with
First driven gear 208, the second driven gear 210 are engaged, and the second driven gear 210 is engaged with the 3rd driven gear 211.
Active eccentric block 217, the first driven eccentric block 216, the second driven eccentric block 218,219 points of the 3rd driven eccentric block
Not An Zhuan driving shaft 213, first driven shaft 212, on second driven shaft 214, the 3rd driven shaft 215；Active eccentric block 217,
First driven eccentric block 216, the second driven eccentric block 218, the 3rd driven eccentric block 219 are located in vibrator sub-shell 2002,
Eccentric block will not carry out flow-disturbing effect in high-speed rotation to the lubricating oil in vibrator main casing 2001, can significantly reduce
Lubricating oil temperature.
As shown in Fig. 2,3,7：Detent mechanism of the invention 5 includes：First left locating shaft 505, the second left locating shaft 506,
3rd left locating shaft 507, the 4th left locating shaft 508, the first right locating shaft 501, the second right locating shaft 502, the 3rd right locating shaft
503rd, the 4th right locating shaft 504, the first left locating slot 511, the second left locating slot 512, the first right locating slot 509 and second are right fixed
Position groove 510.
The present invention, the first left locating shaft 505, one end of the second left locating shaft 506 and vibrator left cover 205 are welded, separately
One end is located in the first left locating slot 511 and the second left locating slot 512 of installing housing 1 respectively；3rd left locating shaft 507,
One end of four left locating shafts 508 is welded with vibration blade row 3, and the other end is located at the He of the first left locating slot 511 for installing housing 1 respectively
In second left locating slot 512；First right locating shaft 501, one end of the second right locating shaft 502 and vibrator have cover plate 206 to weld,
The other end is located in the first right locating slot 509 and the second right locating slot 510 of installing housing 1 respectively；3rd right locating shaft 503,
One end of 4th right locating shaft 504 is welded with vibration blade row 3, and the other end is located at the first right locating slot 509 for installing housing 1 respectively
In the second right locating slot 510.
To cause the power suffered by locating shaft uniform, the axis of the first left locating shaft 505 of the invention and the second left locating shaft 506
Axis, the axis of the first right locating shaft 501, the axis of the second right locating shaft 502 are located at same level；The axle of 3rd left locating shaft 507
Line and the axis of the 4th left locating shaft 509, the axis of the 3rd right locating shaft 503, the axis of the 4th right locating shaft 504 are located at same level
Face.The axis of first left locating shaft 505 of the invention and the axis of the 3rd left locating shaft 507, the axis of the first right locating shaft 501, the 3rd
The axis of right locating shaft 503 is located at same perpendicular；The axis of second left locating shaft 506 and the axis of the 4th left locating shaft 508, second
The axis of right locating shaft 502, the axis of the 4th right locating shaft 504 are located at same perpendicular.
To make quartering hammer not swung in vibration processes, the first left locating slot 511 of the invention, the second left locating slot
512nd, height, the width all same of the first right locating slot 509 and the second right locating slot 510.The following boundary line of first left locating slot 511
Following boundary line with the second left locating slot 512, the first right locating slot 509 and the second right locating slot 510 is located at same level；The
The left border of one left locating slot 511 is located at same perpendicular with the right side boundary of the first right locating slot 509；Second left locating slot
512 left border is located at same perpendicular with the right side boundary of the second right locating slot 510.
As shown in Figure 7,8：Damper mechanism of the invention 6 includes：First air spring 61, the second air spring 62, spiral
Spring 63, vibrating mass 64.First air spring 61, the one end of the second air spring 62 are installed on installation housing 1, and one end is hanging；
The one end of helical spring 63 is installed on installation housing 1, and one end is welded with vibrating mass 64.
Second air spring 62 of the invention, helical spring 63 are located at the rear side of the first air spring 61；Second air spring position
62 in the rear side of helical spring 63；The axis of first air spring 61 is located at same with the second air spring 62, the axis of helical spring 63
Perpendicular.
The present invention is located in different housings respectively using four eccentric blocks, eccentric block and gear, can be subtracted under dynamics broken on an equal basis
The quality of small eccentricity block, and then mitigate the stress of gear, while the rotation of eccentric block will not be played a role to the lubricating oil of gear,
Gear can be preferably protected, extends the service life of gear；Because the exciting force that vibrator is produced is existed only on numerical value direction,
Detent mechanism may be such that exciting force maximizes the use；Damper mechanism with vibrating mass, can to greatest extent reduce biography
To the vibration of high-frequency breaking hammer fixing equipment, the comfortableness of user is improved.
It is only in sum preferred embodiments of the present invention, not for limiting practical range of the invention.It is i.e. all with this
Equivalence changes and modification that the content of patent application the scope of the claims is made.Technology category of the invention should all be belonged to.
Claims (17)
1. high-frequency breaking hammer, including installation housing, vibrator, detent mechanism, damper mechanism and vibration blade row, the vibrator set
Put on vibration blade row top, the damper mechanism is located at vibrator top, and is fixed on installation housing, the detent mechanism bag
Include locating shaft and locating slot.
2. high-frequency breaking hammer according to claim 1, it is characterised in that：The vibrator includes vibrator housing, exciting
Device housing is divided into vibrator main casing and vibrator sub-shell, is installed on vibrator housing, through the major and minor housing of vibrator
Driving shaft, the first driven shaft engaged by gear with driving shaft, second driven shaft are engaged with second driven shaft by gear
3rd driven shaft.
3. eccentric block and gear are mounted on the driving shaft, first driven shaft, second driven shaft, the 3rd driven shaft, partially
Heart block is located in vibrator sub-shell, and gear is located in vibrator main casing, and drive motor is provided with one end of driving shaft.
4. driving shaft axis described in and first driven shaft axis, second driven shaft axis, the 3rd driven shaft axis are located at same water
Plane.
5. high-frequency breaking hammer according to claim 2, it is characterised in that：Described gear include driving gear, first from
Moving gear, the second driven gear and the 3rd driven gear；Described driving gear, the first driven gear, the second driven gear,
Three driven gears are separately mounted on driving shaft, first driven shaft, second driven shaft, the 3rd driven shaft.
6. high-frequency breaking hammer according to claim 3, it is characterised in that：Described driving gear and the first driven gear,
Second driven gear is engaged, and the second described driven gear is engaged with the 3rd driven gear.
7. the high-frequency breaking hammer according to Claims 2 or 3, it is characterised in that：The first driven shaft is in the driving shaft
Vertical plane left side；The second driven shaft, the 3rd driven shaft are on the right side of the vertical plane of the driving shaft；3rd driven shaft
On the right side of the vertical plane of the second driven shaft.
8. high-frequency breaking hammer according to claim 1, it is characterised in that：Described locating shaft one end with it is described vibration blade row or
Vibrator is welded, and the other end is located in the locating slot of the installation housing.
9. the high-frequency breaking hammer according to claim 1 or 6, it is characterised in that：The locating shaft include the first left locating shaft,
Second left locating shaft, the 3rd left locating shaft, the 4th left locating shaft, the first right locating shaft, the second right locating shaft, the 3rd right positioning
Axle, the 4th right locating shaft；The first left locating shaft, the second left locating shaft, the first right locating shaft, one end of the second right locating shaft
With vibrator welding, the other end is in the locating slot of the installation housing；The 3rd left locating shaft, the 4th left positioning
Axle, the 3rd right locating shaft, one end of the 4th right locating shaft and the vibration blade row welding, the other end are located at the installation housing
In locating slot.
10. the high-frequency breaking hammer according to claim 1 or 6 or 7, it is characterised in that：The first left locating shaft, the 3rd left side
Locating shaft is located at the described second left locating shaft, the right side of the 4th left locating shaft；The first right locating shaft, the 3rd right positioning axle position
In the described second right locating shaft, the left side of the 4th right locating shaft.
11. high-frequency breaking hammer according to claim 1 or 6 or 7 or 8, it is characterised in that：The first left locating shaft axis
Same level is located at the described second left locating shaft axis, the first right locating shaft axis, the second right locating shaft axis
Face；The 3rd left locating shaft axis and the described 4th left locating shaft axis, the 3rd right locating shaft axis, the 4th right side
Locating shaft axis is located at same level.
12. high-frequency breaking hammer according to claim 1 or 6 or 7 or 8 or 9, it is characterised in that：The first left locating shaft
Axis is located at same with the described 3rd left locating shaft axis, the first right locating shaft axis, the 3rd right locating shaft axis
Perpendicular；It is the second left locating shaft axis and the described 4th left locating shaft axis, the second right locating shaft axis, described
4th right locating shaft axis is located at same perpendicular.
13. high-frequency breaking hammer according to claim 1 or 6 or 7, it is characterised in that：The locating slot includes that first is left fixed
Position groove, the second left locating slot, the first right locating slot and the second right locating slot；The first left locating slot, the second left locating slot,
The height of one right locating slot and the second right locating slot, width all same.
14. high-frequency breaking hammers according to claim 11, it is characterised in that：The first left following boundary line of locating slot and institute
The following boundary line for stating the second left locating slot, the first right locating slot and the second right locating slot is located at same level；Described first is left
The left border of locating slot is located at same perpendicular with the described first right locating slot right side boundary；The second left locating slot
Left border is located at same perpendicular with the described second right locating slot right side boundary.
15. high-frequency breaking hammers according to claim 1, it is characterised in that：The damper mechanism include the first air spring,
Second air spring, helical spring, vibrating mass.
16. high-frequency breaking hammers according to claim 13, it is characterised in that：First air spring, the second air bullet
Spring one end is installed on the installation housing, and one end is hanging；Described helical spring one end is installed on the installation housing, one end
With the vibration block welding.
17. high-frequency breaking hammer according to claim 13 or 14, it is characterised in that：Second air spring, spiral bullet
Spring is located at the first air spring rear side；Second air spring is located at helical spring rear side；The first air spring axis
Same perpendicular is located at second air spring, spiral axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127190.7A CN106914317B (en) | 2017-03-06 | 2017-03-06 | A kind of high-frequency breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127190.7A CN106914317B (en) | 2017-03-06 | 2017-03-06 | A kind of high-frequency breaking hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106914317A true CN106914317A (en) | 2017-07-04 |
| CN106914317B CN106914317B (en) | 2019-05-24 |
Family
ID=59460974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710127190.7A Expired - Fee Related CN106914317B (en) | 2017-03-06 | 2017-03-06 | A kind of high-frequency breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106914317B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622118A (en) * | 2019-01-16 | 2019-04-16 | 无锡坤龙工程机械有限公司 | A kind of mining vibration stone crusher |
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| CN87209618U (en) * | 1987-06-27 | 1988-11-09 | 陕西省水利机械厂 | Protective cover for preventing rotary centrifugal body from ramming lubricating-oil |
| JP3154597B2 (en) * | 1993-08-27 | 2001-04-09 | 三菱重工業株式会社 | Active vibration suppression device using unbalanced shaker |
| CN2433293Y (en) * | 2000-07-07 | 2001-06-06 | 三一重工业股份有限公司 | Roller vibration roller with shield |
| CN2855676Y (en) * | 2005-08-24 | 2007-01-10 | 速世昌 | On-line amplitude-modulation vibrator of building-block prodn. machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109622118A (en) * | 2019-01-16 | 2019-04-16 | 无锡坤龙工程机械有限公司 | A kind of mining vibration stone crusher |
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| Publication number | Publication date |
|---|---|
| CN106914317B (en) | 2019-05-24 |
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