CN107740330B - A kind of portable tamping unit of urban road - Google Patents
A kind of portable tamping unit of urban road Download PDFInfo
- Publication number
- CN107740330B CN107740330B CN201711092017.4A CN201711092017A CN107740330B CN 107740330 B CN107740330 B CN 107740330B CN 201711092017 A CN201711092017 A CN 201711092017A CN 107740330 B CN107740330 B CN 107740330B
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- compacting
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- 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
- E01C19/22—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 consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of portable tamping units of urban road, including loading car body and being fixedly mounted on the compacting rack of loading car body right-hand end, it is equipped with the sliding groove for upwardly extending setting in compacting rack bottom end face, compacting body is slidably connected in sliding groove, limit sliding chutes are equipped in sliding groove inner left wall, the inclined-plane position limiting slide block being connect with compacting body left side outer wall secure fit is slidably connected in limit sliding chutes, the lift drive mechanism to be connect with compacting body top end surface secure fit is installed in sliding groove inner roof wall, the first cavity for extending downwardly setting is equipped in rammer compacter body, the extended first rotating shaft in left and right is equipped in first cavity；The configuration of the present invention is simple, it is easy to operate, service life and efficiency are improved, is moved easily and transports, meanwhile, improve the safety of Ramming operation.
Description
Technical field
The present invention relates to technical field of road construction, specifically a kind of portable tamping unit of urban road.
Background technology
In road construction, rammer compacter is needed to handle road compacting, to ensure that the stability of roadbed, traditional compacting are adopted
The oscillatory type rammer compacter manually moved either large hydraulic compacting, is not only needed by the oscillatory type rammer compacter manually moved
A large amount of labour, and compacting precision is not high, and cushion performance is poor, causes equipment damage rate high, and speed is slow, and compacting is of poor quality,
The time of work is extended, and acting surface is small, tamps that its energy consumption is huger, and operating flexibility is poor, equipment by large hydraulic
Utilization rate is low, increases the construction cost on road surface, improves economic cost, and complicated, cannot meet existing convenient and efficient
Compacting need.
Invention content
Technical problem to be solved by the invention is to provide a kind of portable tamping units of urban road, can solve
State the problems in present technology.
The present invention is achieved through the following technical solutions：A kind of portable tamping unit of urban road of the present invention,
Including loading car body and being fixedly mounted on the compacting rack for loading car body right-hand end, in the compacting rack bottom end face
Equipped with the sliding groove for upwardly extending setting, be slidably connected with compacting body in the sliding groove, on the left of the sliding groove in
It is equipped with limit sliding chutes in wall, is slidably connected in the limit sliding chutes and outer wall secure fit on the left of the compacting body
The inclined-plane position limiting slide block of connection, be installed in the sliding groove inner roof wall to the compacting body top end surface secure fit
The lift drive mechanism of connection, the rammer compacter body is interior to be equipped with the first cavity for extending downwardly setting, is set in first cavity
The first rotating shaft for having left and right extended, left side outer end face of the first rotating shaft left side extending end through the compacting body
And the connection that is rotatably assorted, be equipped with inner spline groove in the first rotating shaft left end face, on the right side of the first rotating shaft extending end with
Inner wall is rotatably assorted connection on the right side of first cavity, and top pressure is circumferentially installed in the first rotating shaft in first cavity
Cam is slidably connected in first cavity of the top pressure cam bottom part down and extends downwardly the pushing of setting and slide
Block, symmetrical in the left and right sides inner wall of the first cavity bottom extending end to be equipped with guide runner, sliding in the guide runner
Be connected with slider guide, the slider guide inner end of the left and right sides respectively with outside the bottom at left and right sides of the pushing sliding block
Wall secure fit connects, and compacting executing agency, the compacting rack on the left of the limit sliding chutes are equipped in the pushing sliding block
Connection is equipped with the first cunning chamber in inner wall, and being equipped with left and right extension in the compacting rack inner wall on the upside of the first cunning chamber sets
Second set slides chamber, and described second, which slides extending end on the right side of chamber, runs through on the left of the sliding groove on the upside of the limit sliding chutes
Wall, the first cunning intracavitary are equipped with to the sensing pressing mechanism that is connected with the inclined-plane position limiting slide block power, and described the
Two cunning intracavitary are equipped with the compacting power-driven mechanism to be connected with the inner spline groove power.
Preferably technical solution, the limit sliding chutes inner bottom wall are equipped with inclined surface.
Preferably technical solution, the compacting executing agency include the snubber slide chamber being arranged in the pushing sliding block
And the buffer sliding block in the snubber slide intracavitary, the snubber slide chamber at the top of the buffer sliding block is arranged in sliding connection
Interior top pressure is connected with buffer spring, and the buffer sliding block bottom end face is installed with the compacting connecting rod for extending downwardly setting, institute
State bottom end face and the company of being slidably matched that compacting connecting rod bottom extended segment sequentially passes through the pushing sliding block and the compacting body
It connects, compacting connecting rod bottom extending end stretches out outside the bottom end face of the compacting body and end is installed with compaction plate, institute
The first cavity inner bottom wall and the compacting connecting rod outer surface pushed between slider bottom end face are stated around equipped with reset bullet
Spring.
Preferably technical solution, the compacting power-driven mechanism include that sliding connection is arranged described second
Second slide bar of sliding intracavitary, the second slide bar left end face screw-internal thread fit are connected with driving spiral shell extended to the left
Bar, driving screw rod left side extending end be connected by power have first motor, the first motor outer surface to be embedded in described second
In sliding chamber inner left wall, the second motor, the second motor right end power are installed in the second slide bar right end face
It is connected with external splines shaft.
Preferably technical solution, the sensing pressing mechanism include that sliding connection setting slides chamber described first
The first interior slide bar and the elastic top-pressure part being arranged in the first cunning chamber inner left wall, the elasticity top-pressure part upper and lower two
It is equipped with touch sensor in the first cunning chamber inner left wall of side, extending end is equipped with inclined-plane on the right side of first slide bar
Protrusion, the touch sensor are electrically connected with the first motor.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, it is rammed by being slidably connected in sliding groove
Real machine body, sets limit sliding chutes in sliding groove inner left wall, sliding connection and outer wall on the left of compacting body in limit sliding chutes
The inclined-plane position limiting slide block of secure fit connection, it is fixed connecting with compacting body top end surface secure fit in sliding groove inner roof wall
The lift drive mechanism connect sets the first cavity for extending downwardly setting in rammer compacter body, and left and right is set in the first cavity and is extended
First rotating shaft, left side outer end face and be rotatably assorted connection of the extending end through compacting body on the left of first rotating shaft, first turn
Inner spline groove is set in axis left end face, first rotating shaft right side extending end is rotatably assorted with inner wall on the right side of the first cavity to be connect, the
Circumferential fixed top pressure cam in first rotating shaft in one cavity, the interior sliding connection of the first cavity of top pressure cam bottom part down
Extend downwardly the pushing sliding block of setting, it is symmetrical in the left and right sides inner wall of the first cavity bottom extending end to set guide runner, it leads
Be slidably connected slider guide in sliding slot, the slider guide inner end of the left and right sides respectively with push outside bottom at left and right sides of sliding block
Wall secure fit connects, and pushes and sets compacting executing agency in sliding block, is connected to and sets in the compacting rack inner wall on the left of limit sliding chutes
First slides chamber, and setting left and right is extended second in the compacting rack inner wall on the upside of the first cunning chamber slides chamber, and second slides on the right side of chamber
Sliding groove inner left wall of the extending end on the upside of limit sliding chutes, the first cunning intracavitary set to match with inclined-plane position limiting slide block power
The sensing pressing mechanism of connection is closed, the second cunning intracavitary sets the compacting power-driven machine to be connected with inner spline groove power
Structure can realize and automatically control continuous Ramming operation, meanwhile, the impact force generated when tamping operation can be mitigated, improve service life,
It can realize automatic drive control Ramming operation, reduce manual operation, improve Ramming operation efficiency, can realize that automatic deploying and retracting works,
It is moved easily and transports, meanwhile, improve the safety of Ramming operation.
Description of the drawings
The present invention is described in detail by following specific embodiment and attached drawing for ease of explanation,.
Fig. 1 is overall structure diagram outside a kind of portable tamping unit of urban road of the present invention；
Fig. 2 is the compacting rack internal structure schematic diagram of the present invention；
Fig. 3 is the compacting internal body structural schematic diagram of the present invention；
Fig. 4 is the present invention looks up structural representation in Fig. 1 of the present invention.
Specific implementation mode
As Figure 1-Figure 4, the portable tamping unit of a kind of urban road of the invention, including load car body 5 and consolidate
Dingan County is equipped with to upwardly extend and set in the compacting rack 6 for loading 5 right-hand end of car body, 6 bottom end face of compacting rack
The sliding groove 61 set is slidably connected with compacting body 8 in the sliding groove 61, is equipped in 61 inner left wall of the sliding groove
Limit sliding chutes 62, are slidably connected in the limit sliding chutes 62 and 8 left side outer wall secure fit of the compacting body connects
The inclined-plane position limiting slide block 84 connect is installed with to be fixed with 8 top end surface of compacting body in 61 inner roof wall of the sliding groove
The lift drive mechanism 80 of mating connection is equipped in the compacting body 8 and extends downwardly the first cavity 81 of setting, and described first
The extended first rotating shaft 811 in left and right is equipped in cavity 81,811 left side extending end of the first rotating shaft runs through the compacting
The left side outer end face of body 8 and the connection that is rotatably assorted, 811 left end face of the first rotating shaft is interior to be equipped with inner spline groove 8110, institute
It states 811 right side extending end of first rotating shaft and is rotatably assorted with first cavity, 81 right side inner wall and connect, first cavity 81
Circumferentially it is installed with top pressure cam 812 in the interior first rotating shaft 811, described the first of 812 bottom part down of top pressure cam
The pushing sliding block 82 for extending downwardly setting, a left side for first cavity, 81 bottom extending end are slidably connected in cavity 81
It is symmetrical in right both sides inner wall to be equipped with guide runner 83, it is slidably connected with slider guide 831, the left and right sides in the guide runner 83
831 inner end of the slider guide connect respectively with the bottom outer wall secure fit of the pushing sliding block 82 left and right sides, it is described
It pushes interior be equipped with of sliding block 82 and tamps executing agency, be connected to and set in 6 inner wall of compacting rack in 62 left side of the limit sliding chutes
There is the first cunning chamber 63, described first slides second be extended equipped with left and right in 6 inner wall of compacting rack of 63 upside of chamber
Sliding chamber 64, described second slides 64 right side extending end of chamber in 61 left side of the sliding groove of 62 upside of the limit sliding chutes
Wall, the interior sensing pressing mechanism being equipped with to be connected with 84 power of inclined-plane position limiting slide block of the first cunning chamber 63, institute
State the compacting power-driven mechanism being equipped in the second cunning chamber 64 to be connected with 8110 power of the inner spline groove.
Valuably, 62 inner bottom wall of the limit sliding chutes is equipped with inclined surface 621, to realize and the inclined-plane position limiting slide block 84
Top pressure is slidably connected.
Valuably, the compacting executing agency includes the snubber slide chamber 821 being arranged in the pushing sliding block 82 and slides
The dynamic buffer sliding block 825 being arranged in the snubber slide chamber 821 that is connected, the buffering at 825 top of the buffer sliding block
Top pressure is connected with buffer spring 824 in sliding chamber 821, and 825 bottom end face of the buffer sliding block, which is installed with, extends downwardly setting
Compacting connecting rod 823, the 823 bottom extended segment of compacting connecting rod sequentially passes through the pushing sliding block 82 and the compacting body 8
Bottom end face and sliding connection, it is described compacting 823 bottom extending end of connecting rod stretch out it is described compacting body 8 bottom end
Outside face and end is installed with compaction plate 826, between 81 inner bottom wall of the first cavity and 82 bottom end face of pushing sliding block
823 outer surface of compacting connecting rod automatically controls continuous Ramming operation around resetting spring 822 is equipped with, to realize, meanwhile, energy
Mitigate the impact force generated when tamping operation, improves service life.
Valuably, the compacting power-driven mechanism includes that sliding connection is arranged and slides the in chamber 64 described second
Two slide bars 641, second slide bar, 641 left end face screw-internal thread fit are connected with driving screw rod 646 extended to the left,
646 left side extending end be connected by power of the driving screw rod has first motor 645,645 outer surface of the first motor to be embedded in institute
It states in 64 inner left wall of the second cunning chamber, the second motor 642, second electricity is installed in 641 right end face of the second slide bar
642 right end be connected by power of machine has external splines shaft 643, to realize automatic drive control Ramming operation, reduces manpower behaviour
Make, improves Ramming operation efficiency.
Valuably, the sensing pressing mechanism includes the first cunning that sliding connection is arranged in the first cunning chamber 63
Bar 631 and the elastic top-pressure part 632 being arranged in the first cunning 63 inner left wall of chamber, about the 632 elasticity top-pressure part
Touch sensor 634 is equipped in the first cunning 63 inner left wall of chamber of both sides, first slide bar, 631 right side extends end
End is equipped with inclined-plane protrusion 633, and the touch sensor 634 is electrically connected with the first motor 645, is rammed to improve
Positive activity automatically controls accuracy.
When original state, compacting body 8 is located at the top position in sliding groove 61, at this point, making 8 left-hand end of compacting body
The inner spline groove 8110 in first rotating shaft 811 in face utmostly slides chamber 64 far from second, meanwhile, compacting body 8 drives a left side
Inclined-plane position limiting slide block 84 on side end face utmostly slides into the top position in limit sliding chutes 62, at this point, top pressure cam 812
By 82 bottom resetting spring of sliding block, 822 pressure on top surface is pushed, the protrusion on top pressure cam 812 is made utmostly to be slided far from pushing
82 top end surface of block, meanwhile, so that pushing sliding block 82 is driven compacting connecting rod 823 and tamps the compaction plate of 823 bottom end of connecting rod
826 utmostly stretch into sliding groove 61, at this point, the second slide bar 641 utmostly slides into the left lateral position in the second cunning chamber 64
It sets, the external splines shaft 643 in 641 right end of the second slide bar is made to be fully located in the second cunning chamber 64, at this point, the first slide bar
631, utmostly by 632 pressure on top surface of elastic top-pressure part, make the first slide bar 631 drive the inclined-plane protrusion 633 in right end most
Big degree stretches into the limit sliding chutes 62, keeps the inclined-plane on inclined-plane protrusion 633 and the inclined-plane on inclined-plane position limiting slide block 84 complete
Top pressure is connected, meanwhile, make 631 left distal end of the first slide bar utmostly far from touch sensor 634.
When needing Ramming operation, compacting body 8 is controlled gradually along sliding groove 61 by lift drive mechanism 80 first
Bottom direction sliding, meanwhile, the gradual bottom direction in limit sliding chutes 62 of inclined-plane position limiting slide block 84 is driven by compacting body 8
Sliding, at this point, the inner spline groove 8110 in the first rotating shaft 811 in 8 left end face of compacting body is made to slide into the second cunning completely
The relative position of chamber 64, meanwhile, so that inner spline groove 8110 is in external splines shaft 643 and be oppositely arranged, at this point, being limited by inclined-plane
Sliding block 84 drive the first slide bar 631 on inclined-plane protrusion 633 and inclined-plane protrusion 633 overcome 632 pressure on top surface of elastic top-pressure part it
Between along first slide right direction sliding in chamber 63, until inclined-plane position limiting slide block 84 slides into lowest position in limit sliding chutes 62
When, so that the compaction plate 826 that pushing sliding block 82 drives 823 bottom of compacting connecting rod 823 and compacting connecting rod is utmostly stretched out compacting
Outside the bottom end face of rack 6, at this point, inclined-plane protrusion 633 is slidably matched with 84 left side outer wall top pressure of inclined-plane position limiting slide block, meanwhile,
Drive the first slide bar 631 that 632 top pressure of elastic top-pressure part is utmostly overcome to be slid completely into the first cunning chamber 63 by inclined-plane protrusion 633
It is interior, at this point, 631 left distal end of the first slide bar is abutted against with touch sensor 634, meanwhile, it is sent by touch sensor 634
Signal simultaneously controls the drive driving rotation of screw rod 646 of first motor 645, and then drives the second slide bar 641 gradually by driving screw rod 646
The right direction sliding slided along second in chamber 64 controls at this time until external splines shaft 643 is fully inserted into inner spline groove 8110
First motor 645 stops operating, and then drives external splines shaft 643 to rotate by the second motor 642, by external splines shaft 643
It drives the top pressure cam 812 in first rotating shaft 811 and first rotating shaft 811 to rotate, is driven by top pressure cam 812 and push sliding block 82
Realize continuous reciprocal Ramming operation.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, it is rammed by being slidably connected in sliding groove
Real machine body, sets limit sliding chutes in sliding groove inner left wall, sliding connection and outer wall on the left of compacting body in limit sliding chutes
The inclined-plane position limiting slide block of secure fit connection, it is fixed connecting with compacting body top end surface secure fit in sliding groove inner roof wall
The lift drive mechanism connect sets the first cavity for extending downwardly setting in rammer compacter body, and left and right is set in the first cavity and is extended
First rotating shaft, left side outer end face and be rotatably assorted connection of the extending end through compacting body on the left of first rotating shaft, first turn
Inner spline groove is set in axis left end face, first rotating shaft right side extending end is rotatably assorted with inner wall on the right side of the first cavity to be connect, the
Circumferential fixed top pressure cam in first rotating shaft in one cavity, the interior sliding connection of the first cavity of top pressure cam bottom part down
Extend downwardly the pushing sliding block of setting, it is symmetrical in the left and right sides inner wall of the first cavity bottom extending end to set guide runner, it leads
Be slidably connected slider guide in sliding slot, the slider guide inner end of the left and right sides respectively with push outside bottom at left and right sides of sliding block
Wall secure fit connects, and pushes and sets compacting executing agency in sliding block, is connected to and sets in the compacting rack inner wall on the left of limit sliding chutes
First slides chamber, and setting left and right is extended second in the compacting rack inner wall on the upside of the first cunning chamber slides chamber, and second slides on the right side of chamber
Sliding groove inner left wall of the extending end on the upside of limit sliding chutes, the first cunning intracavitary set to match with inclined-plane position limiting slide block power
The sensing pressing mechanism of connection is closed, the second cunning intracavitary sets the compacting power-driven machine to be connected with inner spline groove power
Structure can realize and automatically control continuous Ramming operation, meanwhile, the impact force generated when tamping operation can be mitigated, improve service life,
It can realize automatic drive control Ramming operation, reduce manual operation, improve Ramming operation efficiency, can realize that automatic deploying and retracting works,
It is moved easily and transports, meanwhile, improve the safety of Ramming operation.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of portable tamping unit of urban road, including load car body and be fixedly mounted on the rammer for loading car body right-hand end
Real machine frame, compacting rack bottom end face is interior to be equipped with the sliding groove for upwardly extending setting, and compacting is slidably connected in sliding groove
Body, it is characterised in that：It is equipped with limit sliding chutes in sliding groove inner left wall, is slidably connected in limit sliding chutes and rammer compacter
The inclined-plane position limiting slide block of outer wall secure fit connection on the left of body, be installed in sliding groove inner roof wall to at the top of compacting body
The lift drive mechanism of end face secure fit connection, rammer compacter body is interior to be equipped with the first cavity for extending downwardly setting, the first cavity
Interior to be equipped with the extended first rotating shaft in left and right, extending end runs through the left side outer end face of compacting body and turns on the left of first rotating shaft
It moves and is connected, inner spline groove, first rotating shaft right side extending end and the first cavity right side are equipped in first rotating shaft left end face
Inner wall is rotatably assorted connection, and top pressure cam is circumferentially installed in the first rotating shaft in the first cavity, top pressure cam bottom part down
The pushing sliding block for extending downwardly setting, the left and right sides of the first cavity bottom extending end are slidably connected in first cavity
It is symmetrical in inner wall to be equipped with guide runner, slider guide, the slider guide inner end point of the left and right sides are slidably connected in guide runner
It is not connect with the bottom outer wall secure fit pushed at left and right sides of sliding block, pushes and be equipped with compacting executing agency in sliding block, limit is slided
Connection is equipped with first and slides chamber in compacting rack inner wall on the left of slot, and a left side is equipped in the compacting rack inner wall on the upside of the first cunning chamber
The second cunning chamber that the right side is extended, second slides sliding groove inner left wall of the extending end on the upside of limit sliding chutes on the right side of chamber, the
One cunning intracavitary is equipped with to the sensing pressing mechanism that is connected with inclined-plane position limiting slide block power, second slide intracavitary equipped with to
The compacting power-driven mechanism that inner spline groove power is connected.
2. the portable tamping unit of a kind of urban road according to claim 1, it is characterised in that：In the limit sliding chutes
Bottom wall is equipped with inclined surface.
3. the portable tamping unit of a kind of urban road according to claim 1, it is characterised in that：The compacting execution machine
Structure includes that the snubber slide chamber being arranged in the pushing sliding block and sliding connection are arranged in the slow of the snubber slide intracavitary
Slide block, the snubber slide intracavitary top pressure at the top of the buffer sliding block are connected with buffer spring, the buffer sliding block bottom
End surface is installed with the compacting connecting rod for extending downwardly setting, and the compacting connecting rod bottom extended segment sequentially passes through the pushing sliding block
The rammer compacter is stretched out with the bottom end face and sliding connection, compacting connecting rod bottom extending end of the compacting body
The bottom end face of body is outer and end is installed with compaction plate, between the first cavity inner bottom wall and the pushing slider bottom end face
Compacting connecting rod outer surface around be equipped with resetting spring.
4. the portable tamping unit of a kind of urban road according to claim 1, it is characterised in that：The compacting power drives
Motivation structure includes being slidably connected the second slide bar for being arranged and sliding intracavitary described second, spiral shell in the second slide bar left end face
Line is connected with driving screw rod extended to the left, and extending end be connected by power has the first electricity on the left of the driving screw rod
Machine, the first motor outer surface are slided in chamber inner left wall embedded in described second, are installed in the second slide bar right end face
Second motor, the second motor right end be connected by power have external splines shaft.
5. the portable tamping unit of a kind of urban road according to claim 4, it is characterised in that：The sensing pressing machine
Structure includes in sliding connection is arranged the first slide bar for sliding intracavitary described first and is arranged on the left of the first cunning chamber
Elastic top-pressure part in wall, it is described elasticity top-pressure part up and down both sides it is described first cunning chamber inner left wall in be equipped with contact biography
Sensor, the first slide bar right side extending end are equipped with inclined-plane protrusion, and the touch sensor and the first motor are electrical
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092017.4A CN107740330B (en) | 2017-11-08 | 2017-11-08 | A kind of portable tamping unit of urban road |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092017.4A CN107740330B (en) | 2017-11-08 | 2017-11-08 | A kind of portable tamping unit of urban road |
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| CN107740330A CN107740330A (en) | 2018-02-27 |
| CN107740330B true CN107740330B (en) | 2018-08-28 |
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| CN201711092017.4A Active CN107740330B (en) | 2017-11-08 | 2017-11-08 | A kind of portable tamping unit of urban road |
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| CN108437055A (en) * | 2018-03-14 | 2018-08-24 | 安溪钟泰专利技术转移有限公司 | A kind of printer or copy equipment |
| CN108625378A (en) * | 2018-06-25 | 2018-10-09 | 浦江县飞通电子科技有限公司 | A kind of modified form bridge construction method of deep foundation ditch |
| CN112095577A (en) * | 2020-09-23 | 2020-12-18 | 温州源铭振跃科技有限公司 | A ramming device that vibrates for road construction |
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| US8871263B2 (en) * | 2009-09-24 | 2014-10-28 | Mcneil-Ppc, Inc. | Manufacture of tablet in a die utilizing radiofrequency energy and meltable binder |
| CN206376248U (en) * | 2016-11-22 | 2017-08-04 | 王力 | A kind of Purely mechanical battering ram real machine |
| CN107059561A (en) * | 2017-04-28 | 2017-08-18 | 湖州中辰建设有限公司 | A kind of civil engineering ramming machine |
| CN107130479B (en) * | 2017-06-24 | 2023-03-14 | 淄博洁翔机电科技开发有限公司 | Small automatic hydraulic railway line tamping vehicle |
| CN107288119A (en) * | 2017-07-26 | 2017-10-24 | 王陈伟 | A kind of Self walking tamper with double hammer rams |
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