CN109577146A - Hammer ram mechanism, ironing panel assembly and paver - Google Patents
Hammer ram mechanism, ironing panel assembly and paver Download PDFInfo
- Publication number
- CN109577146A CN109577146A CN201811482120.4A CN201811482120A CN109577146A CN 109577146 A CN109577146 A CN 109577146A CN 201811482120 A CN201811482120 A CN 201811482120A CN 109577146 A CN109577146 A CN 109577146A
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- China
- Prior art keywords
- hammer ram
- formed punch
- groove
- plane
- ontology
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4866—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to technical field of engineering machinery, more particularly to a kind of hammer ram mechanism, ironing panel assembly and paver.The hammer ram mechanism includes preceding hammer ram ontology, hammer ram ontology afterwards, preceding formed punch and back punching head, preceding hammer ram ontology is connected with rear hammer ram ontology, preceding hammer ram ontology is equipped with preceding formed punch, hammer ram ontology is equipped with back punching head afterwards, preceding formed punch is arranged in parallel with back punching head, the work department of preceding formed punch includes the first plane and the first groove for being provided with the first plane, the work department of back punching head includes the second plane being arranged with the first co-planar and the second groove for being provided with the second plane, first plane and the second plane are set as can be used in tamping material, first groove and the second groove are arranged to the large-size particles being enough in content material and are set as being dislocatedly distributed along the length direction of preceding formed punch.The front and back formed punch of the hammer ram mechanism is respectively equipped with the first groove and the second groove, reduces large-size particles percussion caused by the work department of front and back formed punch, extends service life.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of hammer ram mechanism, ironing panel assembly and paver.
Background technique
Paver is a kind of construction for being mainly used for carrying out base on highway and surface layer a variety of materials paving operation
Equipment.When paver carries out construction operation, the material inside hopper is transported to spiral cloth by the scraper plate feeding device of paver
Glassware, then it is by spiral distributor that material is laterally uniform along hopper, then tamped by the screed of paver
Operation.Wherein, screed carry out tamping operation when, mainly using hammer ram drive formed punch vertical direction move back and forth with
Material is tamped, in order to reach Pavement Design compactness.
In order to improve the compactness of material, frequently with double hammer ram arrangements of front and back arrangement, moreover, existing front and back is rammed
The working face of hammer formed punch is all made of the set-up mode of continuous level, when formed punch moves vertically in stroke range, front and back hammer ram
The work face contact of formed punch is simultaneously pressed down against material, to realize compacting material.
But during tamping material, since the grain diameter of material is of different sizes, the working face of front and back hammer ram formed punch
The upward support reaction applied by each particle also can be different, lead to the working face discontinuity of formed punch, cause unnecessary
Loss, when being especially mixed into big partial size material block in material, load that the working face of formed punch is subject at the contact point contacted with material block
Lotus sharply increases, and formed punch is caused to crack, or even fracture.
Summary of the invention
The purpose of the invention is to overcome hammer ram formed punch in front and back of the existing technology using continuous level as work
Face and cause its working face to there are problems that unbalance stress even cracks because of material particular diameter difference, provide a kind of hammer ram mechanism,
Ironing panel assembly and paver, the hammer ram mechanism are divided into front and back hammer ram structure, wherein the preceding formed punch tool being arranged on preceding hammer ram ontology
There is the first groove, the back punching head being arranged on rear hammer ram ontology has the second groove, is conducive to hammer ram mechanism in compacting material process
In avoid being mixed into large-size particles in material, that is, be conducive to large-size particles into first groove or the second groove,
The probability that the first plane or the second plane directly tamp large-size particles is reduced, it is flat also just to correspondingly reduce first
Face or the second plane are sharply increased by load brought by the large-size particles, reduce large-size particles to the first plane or
Percussion caused by second plane reduces unnecessary loss, extends the service life of front and back formed punch.
To achieve the goals above, one aspect of the present invention provides a kind of hammer ram mechanism, and the hammer ram mechanism includes preceding hammer ram
Connect at the top of ontology, rear hammer ram ontology, preceding formed punch and back punching head, the top of the preceding hammer ram ontology and the rear hammer ram ontology
It connecing, the bottom of the preceding hammer ram ontology is provided with the preceding formed punch, and the bottom of the rear hammer ram ontology is provided with the back punching head,
The preceding formed punch is arranged in parallel with the back punching head, and the work department of the preceding formed punch includes the first plane and is provided with described the
First groove of one plane, the work department of the back punching head include the second plane being arranged with first co-planar and open
It is located at the second groove of second plane, first plane and second plane are arranged to be enough in compacting material,
First groove and second groove are arranged to be enough in the large-size particles accommodated in the material and be set as
Length direction along the preceding formed punch is dislocatedly distributed.
Preferably, first groove is set as running through the work of the preceding formed punch along the width direction of the preceding formed punch
Portion, second groove are set as running through the work department of the back punching head along the width direction of the back punching head.
Preferably, the preceding formed punch includes multiple first grooves, and the back punching head includes multiple second grooves.
Preferably, multiple first grooves are equally spaced along the length direction of the preceding formed punch, and multiple described second is recessed
Slot is equally spaced along the length direction of the back punching head.
Preferably, on the length direction of the preceding formed punch, the first plane between two neighboring first groove
The equal length of length and first groove, the length of the second plane between two neighboring second groove and described the
The equal length of two grooves.
Preferably, on the length direction of the preceding formed punch, the length of the length of first groove and second groove
It spends equal.
Preferably, the hammer ram mechanism includes eccentric shaft, the top of the preceding hammer ram ontology and it is described after hammer ram ontology
Top is separately mounted on the eccentric shaft, and the eccentric shaft is configured to carry out rotation and same around the rotation axis of itself
When drive the preceding hammer ram ontology and it is described after hammer ram ontology around the rotation axis synchronize rotation so that the preshoot
Head and the back punching head synchronize rotation around the rotation axis.
Second aspect of the present invention provides a kind of ironing panel assembly, and the ironing panel assembly includes driving unit and described
Hammer ram mechanism, the driving shaft of the driving unit can transmit torque with the preceding hammer ram ontology and the rear hammer ram ontology respectively
Connection, so that the driving unit can drive the preceding hammer ram ontology and the rear hammer ram ontology to synchronize rotation simultaneously
Turn, and then the preceding formed punch and the back punching head is driven alternately to tamp the material.
Third aspect present invention provides a kind of paver, and the paver includes a kind of ironing panel assembly.
Through the above technical solutions, the present invention provides a kind of hammer ram mechanism, ironing panel assembly and paver, the hammer ram machine
Structure is equipped with the first groove using preceding formed punch and back punching head is equipped with the second groove, and it is recessed into described first to be conducive to large-size particles
Slot or the second groove reduce the probability that the first plane or the second plane directly tamp large-size particles, also with regard to phase
Reduce the first plane with answering or the second plane is sharply increased by load brought by the large-size particles, reduces big partial size
Particle percussion caused by the work department of preceding formed punch or the work department of back punching head, reduces unnecessary loss, extends
The service life of front and back formed punch.
Detailed description of the invention
Fig. 1 is that a kind of preceding formed punch of hammer ram mechanism provided by the invention and back punching head tamp the material for being mixed with large-size particles
When structural schematic diagram；
Fig. 2 is the right view of Fig. 1, wherein preceding formed punch is sectional view；
Fig. 3 is a kind of structural schematic diagram of preceding formed punch provided by the invention；
Fig. 4 is a kind of structural schematic diagram of back punching head provided by the invention.
Description of symbols
1, preceding formed punch；11, the first plane；12, the first groove；13, the work department of preceding formed punch；2, back punching head；21, second is flat
Face；22, the second groove；23, the work department of back punching head；3, material；4, large-size particles.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and can not be used to limit the present invention.
One aspect of the present invention provides a kind of hammer ram mechanism, and as shown in Figs 1-4, the hammer ram mechanism includes preceding hammer ram sheet
Connect at the top of body, rear hammer ram ontology, preceding formed punch 1 and back punching head 2, the top of the preceding hammer ram ontology and the rear hammer ram ontology
It connects, the bottom of the preceding hammer ram ontology is provided with the preceding formed punch 1, and the bottom of the rear hammer ram ontology is provided with the back punching head
2, the preceding formed punch 1 is arranged in parallel with the back punching head 2, and the work department 13 of the preceding formed punch 1 includes the first plane 11 and opens
It is located at the first groove 12 of first plane 11, the work department 23 of the back punching head 2 includes coplanar with first plane 11
The second plane 21 for being arranged and the second groove 22 for being provided with second plane 21, first plane 11 and described second
Plane 21 is arranged to be enough in compacting material 3, and first groove 12 and second groove 22 are arranged to be enough in appearance
It receives and the large-size particles 4 in the material 3 and is set as being dislocatedly distributed along the length direction of the preceding formed punch 1.In use, preceding
Formed punch replaces compacting material with the back punching head under the drive of rear hammer ram ontology under the drive of preceding hammer ram ontology, it is assumed that rushes in front and back
Head carries out having large-size particles 4 to infiltrate material during compacting material, if large-size particles 4 enter before formed punch 1 the
In one groove 12, then the first groove of preceding formed punch can tamp 12 large-size particles 4, so that the large-size particles 4 exist
It is moved down under the suppressing action of first groove a little, then, the second plane 21 of back punching head 2 can be to the large-size particles
4 carry out secondary compacting, so that secondary pushing of the large-size particles 4 partially moved down in the second plane 21 of back punching head 2
It is compacted together with unclassified stores under effect, also allows for the large-size particles 4 and successively tamped by front and back formed punch, to keep away
The load that second plane of the first plane and back punching head of having exempted from preceding formed punch is received at large-size particles sharply increases, and extends
The service life of front and back formed punch；If the second groove that back punching head is arranged in large-size particles 4 carries out the correspondence position of tamping operation
When setting place, then the first plane of preceding formed punch 1 can carry out tamping operation to large-size particles 4, so that the large-size particles 4 are at this
It is moved down under the suppressing action of first plane, even if at this point, the large-size particles 4 are not compacted into together with unclassified stores
Burnishing surface, then, large-size particles 4 will go into the second groove of back punching head, avoid the large-size particles by the of back punching head
Two planes carry out secondary compacting, sharply increase so as to avoid the load received at large-size particles of the second plane of back punching head
Add, extends the service life of back punching head.
Through the above technical solutions, of the invention provide a kind of hammer ram mechanism, ironing panel assembly and paver, the hammer ram machine
Structure is equipped with the first groove 12 using preceding formed punch 1 and back punching head 2 is equipped with the second groove 22, is conducive to described in large-size particles entrance
First groove or the second groove reduce the probability that the first plane or the second plane directly tamp large-size particles,
Also it just correspondingly reduces the first plane or the second plane is sharply increased by load brought by the large-size particles, reduce
Large-size particles percussion caused by the work department of preceding formed punch or the work department of back punching head, reduces unnecessary damage
Consumption, extends the service life of front and back formed punch.
In order to optimize the impact resistance of front and back formed punch, first groove 12 is set as the width along the preceding formed punch 1
The work department 13 of the preceding formed punch 1 is run through in direction, and second groove 22 is set as running through along the width direction of the back punching head 2
The work department 23 of the back punching head 2 runs through the work of preceding formed punch along the width direction of preceding formed punch by setting the first groove 12 to
Make portion, is conducive to maximize the width of the first groove in the width direction of preceding formed punch, formed punch avoids big partial size before improving
The probability of particle 4, certainly, the second groove structure of back punching head is as described above, to reduce the first plane of preceding formed punch with after
Second plane of formed punch is directly tamped the load received at the large-size particles caused by the large-size particles and is sharply increased
Probability, extend the service life of front and back formed punch, structure is simple, simplifies processing technology, reduces cost of manufacture.
Certainly, in order to advanced optimize the impact resistance of front and back formed punch, the first groove can also be from the length of preceding formed punch
It is improved on direction to increase the total length of the first groove, the second groove can also be changed from the width direction of back punching head
Into the total length to increase by the second groove, for example, the preceding formed punch 1 includes multiple first grooves 12, the back punching head 2 is wrapped
Include multiple second grooves 22.
Further, multiple first grooves 12 are equally spaced along the length direction of the preceding formed punch 1, and multiple described
Two grooves 22 are equally spaced along the length direction of the back punching head 2, and design rationally, convenient for the mass production of front and back formed punch, mentions
The high machining accuracy of front and back formed punch, it is beautiful and generous.
The impact resistance of front and back formed punch and compacting efficiency in order to balance, on the length direction of the preceding formed punch 1, phase
The length of the first plane 11 between adjacent two first grooves 12 and the equal length of first groove 12, it is two neighboring
The length of the second plane 21 between second groove 22 and the equal length of second groove 22.
Further, on the length direction of the preceding formed punch 1, the length of first groove 12 and second groove
22 equal length, so that it is in picturesque disorder between the first groove and the second groove of front and back formed punch, also, two neighboring described
The length of the second plane 21 between the length of the first plane 11 between one groove 12 and two neighboring second groove 22
It is equal, for example, on the length direction of front and back formed punch, the phase of preceding formed punch shown in Fig. 3 from two farthest the first grooves it
Between be formed by several first planes with the second groove of back punching head shown in Fig. 4 correspond and equal length,
So that the front and back formed punch in hammer ram mechanism is formed by groove structure and can be realized maximum length, and the first plane and second
Plane is formd in the form being dislocatedly distributed to be staggered but complete working face, realizes on the length direction of front and back formed punch
Covering material comprehensively, ensure that hammer ram mechanism tamps material comprehensively, moreover, can optimize the front and back punching in hammer ram mechanism
The whole impact resistance of head.
Further, the hammer ram mechanism includes eccentric shaft, the top of the preceding hammer ram ontology and the rear hammer ram ontology
Top be separately mounted on the eccentric shaft, the eccentric shaft be configured to carry out around the rotation axis of itself rotation and
The preceding hammer ram ontology and the rear hammer ram ontology is driven to synchronize rotation around the rotation axis simultaneously, so that before described
Formed punch 1 and the back punching head 2 synchronize rotation around the rotation axis, are conducive to that front and back formed punch is driven alternately to tamp object
Material 3, and the set-up mode by rationally designing eccentric shaft are conducive to increase as far as possible when eccentric shaft drives front and back punch synchronous rotation
Add front and back formed punch displacement in the vertical direction and minimize the displacement of front and back formed punch in the horizontal direction, before improving
The compacting dynamics of back punching head optimizes hammer ram mechanism to the compacting compactness and flatness of material.Certainly, it is rushed to optimize front and back
For head to the compacting efficiency of material, the synchronous rotary that front and back hammer ram ontology is carried out under the drive of eccentric shaft is to carry out by a small margin
Swing, and then driving front and back formed punch is only the swing carried out therewith by a small margin, and the amplitude of fluctuation of front and back formed punch is identical.Its
In, the top of the top of preceding hammer ram ontology and rear hammer ram ontology can be mounted on eccentric shaft by axle sleeve, and axle sleeve is set in partially
In mandrel and with eccentric shaft synchronous rotary, be fixedly mounted on the periphery wall of axle sleeve at the top of preceding hammer ram ontology, rear hammer ram ontology
Top be also fixedly mounted on the periphery wall of axle sleeve and be a certain included angle with the length direction of the preceding hammer ram ontology and set
It sets.
A kind of ironing panel assembly is provided according to a second aspect of the present invention, and the ironing panel assembly includes driving unit and institute
The hammer ram mechanism stated, the driving shaft of the driving unit can transmit and turn with the preceding hammer ram ontology and the rear hammer ram ontology respectively
The connection of square, so that the driving unit can drive the preceding hammer ram ontology and the rear hammer ram ontology to synchronize simultaneously
Rotation, and then the preceding formed punch 1 and the back punching head 2 is driven alternately to tamp the material 3.Wherein, which can set
For various reasonable devices, for example, motor, specifically, the driving shaft of motor is connect in which can transmit torque with eccentric shaft, by inclined
The torque transfer of mandrel acts on, and connecting rod drives front and back formed punch to synchronize rotation, carries out tamping operation to material to realize.It uses
When, driving unit drives preceding hammer ram ontology and rear hammer ram ontology synchronous rotary, to drive front and back formed punch that can also carry out therewith together
Step rotation, so that front and back formed punch can alternately be arrived at alternately to tamp material at 3 position of material, with front and back formed punch
Successively to material carry out tamping operation, be mixed into the large-size particles in material can under the alternating tamping operation of front and back formed punch with
Unclassified stores is formed together smooth compacting face；And the dislocation of the second groove of the first groove and back punching head of preceding formed punch is set
It sets, under the premise of the second plane of the first plane and back punching head of formed punch is to the compacting flatness of material before guarantee, so that
Large-size particles are able to enter first groove or the second groove, reduce the first plane or the second plane because directly ramming
The probability that suffered load sharply increases caused by the real large-size particles, reduces work of the large-size particles to preceding formed punch
Percussion caused by the work department of portion or back punching head, reduces unnecessary loss, extends the use of front and back formed punch
Service life.
A kind of paver is provided according to a third aspect of the present invention, and the paver includes a kind of screed dress
It sets.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
It, can be with various simple variants of the technical solution of the present invention are made, in order to avoid unnecessary in the range of the technology design of invention
It repeats, the invention will not be further described in various possible combinations.But these simple variants and combination equally should be considered as
Content disclosed in this invention, all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of hammer ram mechanism, which is characterized in that the hammer ram mechanism includes preceding hammer ram ontology, rear hammer ram ontology, preceding formed punch (1)
With back punching head (2), the top of the preceding hammer ram ontology is connected with the top of the rear hammer ram ontology, the bottom of the preceding hammer ram ontology
Portion is provided with the preceding formed punch (1), it is described after the bottom of hammer ram ontology be provided with the back punching head (2), the preceding formed punch (1) with
The back punching head (2) is arranged in parallel, and the work department (13) of the preceding formed punch (1) includes the first plane (11) and is provided with described
The first groove (12) of first plane (11), the work department (23) of the back punching head (2) include total with first plane (11)
The second plane (21) of face setting and the second groove (22) for being provided with second plane (21), first plane (11)
It is arranged to be enough in compacting material (3), first groove (12) and second groove with second plane (21)
(22) it is arranged to be enough in the large-size particles (4) accommodated in the material (3) and be set as along the preceding formed punch (1)
Length direction is dislocatedly distributed.
2. hammer ram mechanism according to claim 1, which is characterized in that first groove (12) is set as along the preshoot
The width direction of head (1) runs through the work department (13) of the preceding formed punch (1), and second groove (22) is set as along the backlash
The width direction of head (2) runs through the work department (23) of the back punching head (2).
3. hammer ram mechanism according to claim 2, which is characterized in that the preceding formed punch (1) includes multiple described first recessed
Slot (12), the back punching head (2) include multiple second grooves (22).
4. hammer ram mechanism according to claim 3, which is characterized in that multiple first grooves (12) are along the preceding formed punch
(1) length direction is equally spaced, and multiple second grooves (22) are equally spaced along the length direction of the back punching head (2).
5. hammer ram mechanism according to claim 4, which is characterized in that adjacent on the length direction of the preceding formed punch (1)
The length of the first plane (11) between two first grooves (12) and the equal length of first groove (12) are adjacent
The length of the second plane (21) between two second grooves (22) and the equal length of second groove (22).
6. hammer ram mechanism according to claim 5, which is characterized in that described on the length direction of the preceding formed punch (1)
The equal length of the length of first groove (12) and second groove (22).
7. hammer ram mechanism described in any one of -6 according to claim 1, which is characterized in that the hammer ram mechanism includes bias
It is separately mounted on the eccentric shaft at the top of axis, the top of the preceding hammer ram ontology and the rear hammer ram ontology, the bias
Axis is configured to be rotated around the rotation axis of itself and at the same time driving the preceding hammer ram ontology and the rear hammer ram sheet
Body synchronizes rotation around the rotation axis, so that the preceding formed punch (1) and the back punching head (2) are around the rotation axis
Synchronize rotation.
8. a kind of ironing panel assembly, which is characterized in that the ironing panel assembly includes driving unit and according to claim 1 in -7
Hammer ram mechanism described in any one, the driving shaft of the driving unit respectively with the preceding hammer ram ontology and it is described after hammer ram sheet
Body can transmit the connection of torque, so that the driving unit can drive the preceding hammer ram ontology and the rear hammer ram sheet simultaneously
Body synchronizes rotation, and then the preceding formed punch (1) and the back punching head (2) is driven alternately to tamp the material (3).
9. a kind of paver, which is characterized in that the paver includes a kind of ironing panel assembly according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482120.4A CN109577146B (en) | 2018-12-05 | 2018-12-05 | Rammer mechanism, ironing plate device and paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482120.4A CN109577146B (en) | 2018-12-05 | 2018-12-05 | Rammer mechanism, ironing plate device and paver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577146A true CN109577146A (en) | 2019-04-05 |
| CN109577146B CN109577146B (en) | 2019-12-06 |
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ID=65927546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811482120.4A Active CN109577146B (en) | 2018-12-05 | 2018-12-05 | Rammer mechanism, ironing plate device and paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109577146B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203684046U (en) * | 2013-11-28 | 2014-07-02 | 长安大学 | Single-amplitude stepless adjustable dual-vibration device for screed of paver |
| CN204298715U (en) * | 2014-11-07 | 2015-04-29 | 中联重科股份有限公司 | Two hammer ram mechanism of paver and paver |
| CN104894951A (en) * | 2015-06-30 | 2015-09-09 | 戴纳派克（中国）压实摊铺设备有限公司 | Double vibrating mechanism with motor, ironing plate and paver |
| CN104929020A (en) * | 2015-06-30 | 2015-09-23 | 戴纳派克（中国）压实摊铺设备有限公司 | Dual vibrating mechanism provided with belt wheel, ironing plate and paver |
| US20170138001A1 (en) * | 2015-11-18 | 2017-05-18 | Bomag Gmbh | Road finisher, piston rod for a road finisher, and method for manufacturing an assembly of a piston rod and a tamper bar |
-
2018
- 2018-12-05 CN CN201811482120.4A patent/CN109577146B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203684046U (en) * | 2013-11-28 | 2014-07-02 | 长安大学 | Single-amplitude stepless adjustable dual-vibration device for screed of paver |
| CN204298715U (en) * | 2014-11-07 | 2015-04-29 | 中联重科股份有限公司 | Two hammer ram mechanism of paver and paver |
| CN104894951A (en) * | 2015-06-30 | 2015-09-09 | 戴纳派克（中国）压实摊铺设备有限公司 | Double vibrating mechanism with motor, ironing plate and paver |
| CN104929020A (en) * | 2015-06-30 | 2015-09-23 | 戴纳派克（中国）压实摊铺设备有限公司 | Dual vibrating mechanism provided with belt wheel, ironing plate and paver |
| US20170138001A1 (en) * | 2015-11-18 | 2017-05-18 | Bomag Gmbh | Road finisher, piston rod for a road finisher, and method for manufacturing an assembly of a piston rod and a tamper bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109577146B (en) | 2019-12-06 |
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