CN107740330A - A kind of portable tamping unit of urban road - Google Patents
A kind of portable tamping unit of urban road Download PDFInfo
- Publication number
- CN107740330A CN107740330A CN201711092017.4A CN201711092017A CN107740330A CN 107740330 A CN107740330 A CN 107740330A CN 201711092017 A CN201711092017 A CN 201711092017A CN 107740330 A CN107740330 A CN 107740330A
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- compacting
- wall
- face
- sliding
- cavity
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- 238000005056 compaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000032258 transport Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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
- E01C19/22—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
Landscapes
- 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 unit of urban road, including loading car body and being fixedly mounted on the compacting frame of loading car body right-hand end, the sliding groove for upwardly extending setting is provided with compacting frame bottom end face, compacting body is slidably connected with sliding groove, limit sliding chutes are provided with sliding groove inner left wall, the inclined-plane position limiting slide block being connected with compacting body left side outer wall secure fit is slidably connected with limit sliding chutes, the lift drive mechanism to be connected with compacting body top end face secure fit is installed with sliding groove inner roof wall, the first cavity for extending downwardly setting is provided with rammer compacter body, the extended first rotating shaft in left and right is provided with first cavity；The present invention is simple in construction, easy to operate, improves service life and efficiency, is moved easily and transports, meanwhile, improve the security 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
, it is necessary to which rammer compacter is handled road compacting in road construction, to ensure the steadiness of roadbed, traditional compacting is adopted
The oscillatory type rammer compacter manually moved either large hydraulic compacting, is not only needed by the oscillatory type rammer compacter manually moved
Substantial amounts of labour, and compacting precision is not high, and shock-absorbing capacity is poor, causes device damage rate high, and speed is slow, and compacting is of poor quality,
The time of work is extended, and acting surface is small, tamp that its power consumption is huger, and operating flexibility is poor, equipment by large hydraulic
Utilization rate is low, adds the construction cost on road surface, improves financial cost, and complicated, it is impossible to meets existing convenient and efficient
Compacting need.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of portable tamping unit of urban road, and it can solve the problem that
The problem of stating now in the art.
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 frame of the loading car body right-hand end, in the compacting frame bottom end face
Provided 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
Limit sliding chutes are provided with wall, are slidably connected with 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 with the sliding groove inner roof wall to compacting body top end face secure fit
The lift drive mechanism of connection, the rammer compacter body is interior to be provided with the first cavity for extending downwardly setting, is set in first cavity
There is the extended first rotating shaft in left and right, the first rotating shaft left side extending end is through the left side outer face of the compacting body
And the connection that is rotatably assorted, be provided with inner spline groove in the first rotating shaft left end face, on the right side of the first rotating shaft extending end and
Inwall is rotatably assorted connection on the right side of first cavity, and top pressure is circumferentially installed with the first rotating shaft in first cavity
Cam, it is slidably connected with first cavity of the top pressure cam bottom part down and extends downwardly the pushing of setting and slide
Block, it is symmetrical in the left and right sides inwall of the first cavity bottom extending end to be provided with guide runner, slided in the guide runner
Be connected with slider guide, the slider guide medial extremity 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 is provided with the pushing sliding block and tamps executing agency, the compacting frame on the left of the limit sliding chutes
Connected in inner wall and be provided with the first cunning chamber, extended in the compacting frame inner wall on the upside of the first cunning chamber provided with left and right and set
Second put 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 provided with to the sensing pressing mechanism that is connected with the inclined-plane position limiting slide block power, and described the
The compacting power-driven mechanism that two cunning intracavitary are provided with to be connected with the inner spline groove power.
Preferably technical scheme, the limit sliding chutes inner bottom wall are provided with inclined plane.
Preferably technical scheme, the compacting executing agency include the snubber slide chamber being arranged in the pushing sliding block
And the buffer sliding block for being arranged on the snubber slide intracavitary is slidably connected, the snubber slide chamber at the top of the buffer sliding block
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 extension sequentially passes through the pushing sliding block and the compacting body
Connect, 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 provided with reset bullet
Spring.
Preferably technical scheme, the compacting power-driven mechanism are arranged on described second including sliding connection
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, drive screw left side extending end power connector have the first motor, and first outer surface of motor is embedded in described second
In sliding chamber inner left wall, the second motor, the second motor right end power are installed with the second slide bar its right end face
It is connected with external splines rotating shaft.
Preferably technical scheme, the sensing pressing mechanism are arranged on described first including sliding connection and slide chamber
The first interior slide bar and the elastic top-pressure part being arranged in the first cunning chamber inner left wall, the elastic top-pressure part upper and lower two
Touch sensor is equipped with the first cunning chamber inner left wall of side, extending end is provided with inclined-plane on the right side of first slide bar
Convex portion, the touch sensor are electrically connected with first motor.
The beneficial effects of the invention are as follows：The present invention is simple in construction, easy to operate, 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 face secure fit in sliding groove inner roof wall
The lift drive mechanism connect, the first cavity for extending downwardly setting is set in rammer compacter body, left and right is set in the first cavity and is extended
First rotating shaft, extending end is through the left side outer face of compacting body and the connection that is rotatably assorted on the left of first rotating shaft, first turn
Inner spline groove is set in axle left end face, first rotating shaft right side extending end is rotatably assorted with inwall on the right side of the first cavity to be connected, the
Circumferential fixed top pressure cam in first rotating shaft in one cavity, the first cavity of top pressure cam bottom part down is interior to be slidably connected
Extend downwardly the pushing sliding block of setting, it is symmetrical in the left and right sides inwall of the first cavity bottom extending end to set guide runner, lead
Sliding connection slider guide in chute, the slider guide medial extremity of the left and right sides is respectively with pushing outside the bottom at left and right sides of sliding block
Wall secure fit connects, and pushes and compacting executing agency is set in sliding block, connects and sets in the compacting frame inner wall on the left of limit sliding chutes
First slide chamber, first cunning chamber on the upside of compacting frame inner wall in set left and right be extended second slide chamber, second slide chamber right side
Sliding groove inner left wall of the extending end on the upside of limit sliding chutes, the first cunning intracavitary are set to match somebody with somebody with inclined-plane position limiting slide block power
Close the sensing pressing mechanism of connection, the compacting power-driven machine that the second cunning intracavitary sets to be connected with inner spline groove power
Structure, it can realize and automatically control continuous Ramming operation, meanwhile, impact caused by tamping operation can be mitigated, improve service life,
Automatic drive control Ramming operation can be realized, reduces manual operation, improves Ramming operation efficiency, can realize that automatic deploying and retracting works,
It is moved easily and transports, meanwhile, improve the security of Ramming operation.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
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 frame internal structure schematic diagram of the present invention；
Fig. 3 is the compacting internal body structural representation of the present invention；
Fig. 4 is the present invention looks up structural representation in Fig. 1 of the present invention.
Embodiment
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 provided with to upwardly extend and set in the compacting frame 6 for loading the right-hand end of car body 5, the compacting bottom end face of frame 6
The sliding groove 61 put, compacting body 8 is slidably connected with the sliding groove 61, is provided with the inner left wall of sliding groove 61
Limit sliding chutes 62, are slidably connected with the limit sliding chutes 62 and the left side outer wall secure fit of compacting body 8 connects
The inclined-plane position limiting slide block 84 connect, it is installed with the inner roof wall of sliding groove 61 to be fixed with the compacting body 8 top end face
The lift drive mechanism 80 of mating connection, it is provided with the compacting body 8 and extends downwardly the first cavity 81 of setting, described first
The extended first rotating shaft 811 in left and right is provided with cavity 81, the left side extending end of first rotating shaft 811 runs through the compacting
The left side outer face of body 8 and the connection that is rotatably assorted, the left end face of first rotating shaft 811 is interior to be provided with inner spline groove 8110, institute
State the right side extending end of first rotating shaft 811 and be rotatably assorted with the right side inwall of the first cavity 81 and is connected, first cavity 81
Circumferentially it is installed with top pressure cam 812 in the interior first rotating shaft 811, described the first of the bottom part down of top pressure cam 812
The pushing sliding block 82 for extending downwardly setting, a left side for the bottom extending end of the first cavity 81 are slidably connected with cavity 81
It is symmetrical in right both sides inwall to be provided with guide runner 83, it is slidably connected with slider guide 831, the left and right sides in the guide runner 83
Bottom outer wall secure fit of the medial extremity of the slider guide 831 respectively with pushing sliding block 82 left and right sides be connected, it is described
Push interior be provided with of sliding block 82 and tamp executing agency, connect and set in the inner wall of compacting frame 6 in the left side of limit sliding chutes 62
There is the first cunning chamber 63, described first slides second be extended in the inner wall of compacting frame 6 of the upside of chamber 63 provided with left and right
Sliding chamber 64, described second slides the right side extending end of chamber 64 in the left side of the sliding groove 61 of the upside of limit sliding chutes 62
Wall, the interior sensing pressing mechanism for being provided with to be connected with the power of inclined-plane position limiting slide block 84 of the first cunning chamber 63, institute
State the compacting power-driven mechanism being provided with the second cunning chamber 64 to be connected with the power of inner spline groove 8110.
Valuably, the inner bottom wall of limit sliding chutes 62 is provided with inclined plane 621, so as 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 slided
Dynamic mating connection is arranged on the buffer sliding block 825 in the snubber slide chamber 821, the buffering at the top of buffer sliding block 825
Top pressure is connected with buffer spring 824 in sliding chamber 821, and the bottom end face of buffer sliding block 825, which is installed with, extends downwardly setting
Compacting connecting rod 823, the compacting connecting rod 823 bottom extension sequentially passes through the pushing sliding block 82 and the compacting body 8
Bottom end face and sliding connection, the bottom extending end of compacting connecting rod 823 stretch out the bottom end of the compacting body 8
Outside face and end is installed with compaction plate 826, between the inner bottom wall of the first cavity 81 and the pushing bottom end face of sliding block 82
Compacting connecting rod 823 outer surface automatically controls continuous Ramming operation around back-moving spring 822 is provided with so as to realize, meanwhile, energy
Mitigate impact caused by tamping operation, improve service life.
Valuably, the compacting power-driven mechanism include sliding connection be arranged on described second slide in chamber 64 the
Two slide bars 641, the left end face screw-internal thread fit of the second slide bar 641 are connected with drive screw 646 extended to the left,
The left side extending end power connector of drive screw 646 has the first motor 645, and the outer surface of the first motor 645 is embedded in institute
State in the inner left wall of the second cunning chamber 64, the second motor 642, second electricity are installed with its right end face of the second slide bar 641
The right end power connector of machine 642 has external splines rotating shaft 643, so as to realize automatic drive control Ramming operation, reduces manpower behaviour
Make, improve 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 inner left wall of chamber 63, the elastic top-pressure part is about 632
Touch sensor 634, the right side of the first slide bar 631 extension end are equipped with the first cunning inner left wall of chamber 63 of both sides
End is provided with inclined-plane convex portion 633, and the touch sensor 634 is electrically connected with first motor 645, is rammed so as to improve
Positive activity automatically controls accuracy.
During original state, compacting body 8 is located at the top position in sliding groove 61, now, makes the left-hand end of compacting body 8
The inner spline groove 8110 in first rotating shaft 811 in face at utmost slides chamber 64 away from second, meanwhile, compacting body 8 drives a left side
The tip position that inclined-plane position limiting slide block 84 on side end face is at utmost slid into limit sliding chutes 62, now, top pressure cam 812
By the pressure on top surface of 82 bottom back-moving spring of sliding block 822 is pushed, the protuberance on top pressure cam 812 is set at utmost to be slided away from pushing
The top end face of block 82, meanwhile, pushing sliding block 82 is driven compacting connecting rod 823 and tamp the compaction plate of the bottom end of connecting rod 823
826 at utmost stretch into sliding groove 61, now, the left lateral position that the second slide bar 641 is at utmost slid into the second cunning chamber 64
Put, the external splines rotating shaft 643 in the right end of the second slide bar 641 is fully located in the second cunning chamber 64, now, the first slide bar
631, at utmost by the elastic pressure on top surface of top-pressure part 632, make the first slide bar 631 drive the inclined-plane convex portion 633 in right end most
Big degree is stretched into the limit sliding chutes 62, makes the inclined-plane on inclined-plane convex portion 633 and the inclined-plane on inclined-plane position limiting slide block 84 complete
Top pressure is connected, meanwhile, make the left distal end of the first slide bar 631 at utmost away from touch sensor 634.
When needing Ramming operation, control compacting body 8 gradually along sliding groove 61 by lift drive mechanism 80 first
Bottom direction slide, meanwhile, drive inclined-plane position limiting slide block 84 gradually along the bottom direction in limit sliding chutes 62 by compacting body 8
Slide, now, the inner spline groove 8110 in the first rotating shaft 811 in the left end face of compacting body 8 is slid into the second cunning completely
The relative position of chamber 64, meanwhile, inner spline groove 8110 is in external splines rotating shaft 643 and be oppositely arranged, it is now, spacing by inclined-plane
Sliding block 84 drive the first slide bar 631 on inclined-plane convex portion 633 and inclined-plane convex portion 633 overcome the elastic pressure on top surface of top-pressure part 632 it
Between the right direction slided along first in chamber 63 slide, until inclined-plane position limiting slide block 84 slides into lowest position in limit sliding chutes 62
When, make pushing sliding block 82 drive compacting connecting rod 823 and the compaction plate 826 of compacting connecting rod 823 bottom at utmost to stretch out compacting
Outside the bottom end face of frame 6, now, inclined-plane convex portion 633 is slidably matched with the left side outer wall top pressure of inclined-plane position limiting slide block 84, meanwhile,
The first slide bar 631 is driven at utmost to overcome the elastic top pressure of top-pressure part 632 to be slid completely into the first cunning chamber 63 by inclined-plane convex portion 633
Interior, now, the left distal end of the first slide bar 631 abuts against with touch sensor 634, meanwhile, sent by touch sensor 634
Signal simultaneously controls the first motor 645 to drive drive screw 646 to rotate, and then drives the second slide bar 641 gradual by drive screw 646
The right direction slided along second in chamber 64 slides, until external splines rotating shaft 643 is fully inserted into inner spline groove 8110, now controls
First motor 645 stops operating, and then drives external splines rotating shaft 643 to rotate by the second motor 642, by external splines rotating shaft 643
Drive the top pressure cam 812 in first rotating shaft 811 and first rotating shaft 811 to rotate, 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 present invention is simple in construction, easy to operate, 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 face secure fit in sliding groove inner roof wall
The lift drive mechanism connect, the first cavity for extending downwardly setting is set in rammer compacter body, left and right is set in the first cavity and is extended
First rotating shaft, extending end is through the left side outer face of compacting body and the connection that is rotatably assorted on the left of first rotating shaft, first turn
Inner spline groove is set in axle left end face, first rotating shaft right side extending end is rotatably assorted with inwall on the right side of the first cavity to be connected, the
Circumferential fixed top pressure cam in first rotating shaft in one cavity, the first cavity of top pressure cam bottom part down is interior to be slidably connected
Extend downwardly the pushing sliding block of setting, it is symmetrical in the left and right sides inwall of the first cavity bottom extending end to set guide runner, lead
Sliding connection slider guide in chute, the slider guide medial extremity of the left and right sides is respectively with pushing outside the bottom at left and right sides of sliding block
Wall secure fit connects, and pushes and compacting executing agency is set in sliding block, connects and sets in the compacting frame inner wall on the left of limit sliding chutes
First slide chamber, first cunning chamber on the upside of compacting frame inner wall in set left and right be extended second slide chamber, second slide chamber right side
Sliding groove inner left wall of the extending end on the upside of limit sliding chutes, the first cunning intracavitary are set to match somebody with somebody with inclined-plane position limiting slide block power
Close the sensing pressing mechanism of connection, the compacting power-driven machine that the second cunning intracavitary sets to be connected with inner spline groove power
Structure, it can realize and automatically control continuous Ramming operation, meanwhile, impact caused by tamping operation can be mitigated, improve service life,
Automatic drive control Ramming operation can be realized, reduces manual operation, improves Ramming operation efficiency, can realize that automatic deploying and retracting works,
It is moved easily and transports, meanwhile, improve the security of Ramming operation.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, it should all be included within the scope of the present invention.Therefore, it is 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, it is characterised in that：The sliding groove for upwardly extending setting is provided with compacting frame bottom end face, is slidably matched in sliding groove
It is connected with compacting body, limit sliding chutes is provided with sliding groove inner left wall, is slidably connected with 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 with 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 provided with the first cavity for extending downwardly setting, the first cavity
Interior to be provided with the extended first rotating shaft in left and right, extending end through the left side outer face of compacting body and turns on the left of first rotating shaft
It is dynamic to be connected, inner spline groove, first rotating shaft right side extending end and the first cavity right side are provided with first rotating shaft left end face
Inwall is rotatably assorted connection, and top pressure cam is circumferentially installed with 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 with first cavity
It is symmetrical in inwall to be provided with guide runner, slider guide, the slider guide medial extremity point of the left and right sides are slidably connected with guide runner
It is not connected with pushing the bottom outer wall secure fit at left and right sides of sliding block, pushes and compacting executing agency, spacing cunning are provided with sliding block
Connected in compacting frame inner wall on the left of groove and be provided with the first cunning chamber, provided with a left side in the compacting frame 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 provided with to the sensing pressing mechanism that is connected with inclined-plane position limiting slide block power, second slide intracavitary provided with to
The compacting power-driven mechanism that inner spline groove power is connected.
A kind of 2. portable tamping unit of urban road according to claim 1, it is characterised in that：In the limit sliding chutes
Bottom wall is provided with inclined plane.
A kind of 3. portable tamping unit of urban road according to claim 1, it is characterised in that：The compacting execution machine
Structure includes the snubber slide chamber being arranged in the pushing sliding block and sliding connection is arranged on 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 extension sequentially passes through the pushing sliding block
Bottom end face and sliding connection with the compacting body, compacting connecting rod bottom extending end stretch out the rammer compacter
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
The compacting connecting rod outer surface around being provided with back-moving spring.
A kind of 4. portable tamping unit of urban road according to claim 1, it is characterised in that：The compacting power drives
Motivation structure is arranged on the described second the second slide bar for sliding intracavitary including being slidably connected, spiral shell in the second slide bar left end face
Line is connected with drive screw extended to the left, and extending end power connector has the first electricity on the left of the drive screw
Machine, first outer surface of motor are slided in chamber inner left wall embedded in described second, are installed with the second slide bar its right end face
Second motor, the second motor right end power connector have external splines rotating shaft.
A kind of 5. portable tamping unit of urban road according to claim 4, it is characterised in that：The sensing pressing machine
Structure includes sliding connection and is arranged on the first slide bar of the first cunning intracavitary and is arranged in the first cunning chamber left side
Elastic top-pressure part in wall, the elastic top-pressure part are equipped with contact biography in the first cunning chamber inner left wall of both sides up and down
Sensor, the first slide bar right side extending end are provided with inclined-plane convex portion, and the touch sensor and 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN107740330A true CN107740330A (en) | 2018-02-27 |
| CN107740330B CN107740330B (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
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| 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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| 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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| CN107740330B (en) | 2018-08-28 |
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