CN209703249U - Cement concrete synchronizes three-dimensional vibrating apparatus for leveling - Google Patents
Cement concrete synchronizes three-dimensional vibrating apparatus for leveling Download PDFInfo
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- CN209703249U CN209703249U CN201920063283.2U CN201920063283U CN209703249U CN 209703249 U CN209703249 U CN 209703249U CN 201920063283 U CN201920063283 U CN 201920063283U CN 209703249 U CN209703249 U CN 209703249U
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- cement concrete
- leveling
- dimensional vibrating
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Abstract
The utility model discloses the synchronous three-dimensional vibrating apparatus for leveling of cement concrete, belong to technical field of engineering machinery.The first flattening mechanism including first plate including being set gradually between auger and screed by front and back, the synchronization three-dimensional vibrating mechanism including the pipe that vibrates, the elevating mechanism including frame plate for adjusting just flattening mechanism height, suspension crossbeam is fixedly connected in two large arm of asphalt-spreader, the just flattening mechanism is connect with elevating mechanism, and elevating mechanism is hinged on suspension crossbeam by frame plate.The utility model is mounted on multifunction road molding machine, can tentatively be struck off cement concrete by first plate, is vibrated in the pipe that vibrates insertion cement concrete, can be made bubble fragmentation or the discharge in cement concrete, and the compactness to guarantee road surface is qualified；It is flat using the screed essence of asphalt-spreader, so that there is higher flatness on road surface, to obtain high-quality road surface.
Description
Technical field
The utility model relates to a kind of multifunction road molding machines, belong to technical field of engineering machinery.
Background technique
For the equipment acquisition cost for reducing construction of cement concrete road surface unit, the ability of repairing the roads of unit in charge of construction is improved, this
Applicant devises a set of multifunction road molding machine, i.e., a kind of to mix pellet for the pitch that paves, cement stabilized macadam etc.
The attachment device of asphalt-spreader, so that original asphalt-spreader has the function for the cement concrete that paves, this equipment exists
In application process, find warehouse apparatus for leveling complicated integral structure therein of vibrating, moreover, the vibration of vibrating spear also influence for
Input power gear service life, for this purpose, the applicant is whole to the cement concrete of multifunction road molding machine warehouse of vibrating
The structure of leveling device part is improved, i.e., the application is to be fixed in asphalt-spreader large arm, be arranged in auger and ironing
The synchronous three-dimensional vibrating apparatus for leveling of the cement concrete of the multifunction road molding machine between plate.
Utility model content
The problem of purpose of the utility model is to solve background techniques, and the multifunction road molding proposed
The synchronous three-dimensional vibrating apparatus for leveling of the cement concrete of machine.
To achieve the above object, the technical scheme adopted by the utility model is
Cement concrete synchronizes three-dimensional vibrating apparatus for leveling, including what is set gradually between auger and screed by front and back
Flattening mechanism height at the beginning of first flattening mechanism including first plate, the synchronization three-dimensional vibrating mechanism including the pipe that vibrates, adjusting includes rack
The elevating mechanism of plate, suspension crossbeam is fixedly connected in two large arm of asphalt-spreader, and the just flattening mechanism and elevating mechanism connect
It connects, elevating mechanism is hinged on suspension crossbeam by frame plate；
The synchronous three-dimensional vibrating mechanism includes being fixed on vibration gear unit on frame plate and being arranged in vibration gear list
First lower section, the oscillator unit being fixed on first plate, the vibration gear unit includes the support frame A being fixed on frame plate,
Laterally it is arranged in support frame as described above A and provides the transmission shaft of power by gear-box, wears on the transmission shaft and match with transmission shaft clearance
The driving bevel gear I of conjunction, driving bevel gear II, the flange I being fixedly connected with transmission shaft and flange II, the driving bevel gear I
Safety pin is respectively set between flange I and between driving bevel gear II and flange II, the transmission shaft is respectively arranged below
The driven bevel pinion I engaged with driving bevel gear I, the driven bevel pinion II engaged with driving bevel gear II, the active umbrella tooth
Wheel I, driving bevel gear II, driven bevel pinion I and driven bevel pinion II are erected on support frame A by bearing, the transmission shaft
The other end setting shaft coupling connect with adjacent vibration gear unit；The oscillator unit includes the off-centred dipole A being vertically arranged
It is erected on support frame B with off-centred dipole B, the off-centred dipole A and off-centred dipole B by bearing, support frame as described above B is fixed on
On first plate, two fan I and wind to cool down to bearing are respectively set in the two sides up and down of the off-centred dipole A and off-centred dipole B
Fan II, the off-centred dipole A and off-centred dipole B pass through flexible axle A and flexible axle B and driven bevel pinion I and driven bevel pinion II respectively
Connection.
Further improvement of the utility model is: the gear-box includes power input shaft, on the power input shaft
It is coaxially disposed gear E, jackshaft and output shaft are also arranged in parallel in the gear-box, gear A and gear D are set on jackshaft,
Gear B and gear C, gear D and gear E engagement, gear A and gear B engagement are set on output shaft.
Further improvement of the utility model is: the just flattening mechanism includes the L-shaped just plate with dog-ear, described
On the vertical plate of first plate it is provided with several slideways along its length, being provided in the slideway can slide up and down along slideway
Sliding block, the sliding block outside are connected with spring, and the other side of the spring is connected and fixed the support frame being arranged on frame plate；Institute
The lower end for stating the vertical plate of first plate is provided with stripping fork；Several vibrations are vertically fixed along its length on the just dog-ear plate of plate
Smash pipe, pipe and the oscillator unit arranged for interval of vibrating；It is additionally provided on the just transverse slat of plate to extend back and avoids mud
Slurry enters the warehouse protection board of oscillator unit and screed.
Further improvement of the utility model is: the base surface drilling of the warehouse protection board or laser scoring increase
The plum blossom shape pit of roughness.
Further improvement of the utility model is: elevating mechanism includes the double of one end connecting power device of lateral arrangement
To screw rod, the reverse-flighted screw is fixed on frame plate by bearing, and the both ends of reverse-flighted screw screw left-handed nut and the right side respectively
Be respectively articulated with left lever and right pull rod on spin nut, the left-handed nut and right-handed nut, the left lever and right pull rod it is another
One end is hinged on pin shaft, and buffer spring is arranged on the pin shaft, and the other end of buffer spring is connected on pedestal, and pedestal is fixed
On first plate.
Further improvement of the utility model is: being equipped on the frame plate prevents frame plate and screed bonding
Eliminate the slider bar of exciting force.
Further improvement of the utility model is: the slider bar is tetrafluoroethene plate.
Further improvement of the utility model is: the driving bevel gear I, driving bevel gear II, driven bevel pinion I and
Driven bevel pinion II uses spiral bevel gear.
Further improvement of the utility model is: the lower section of the driven bevel pinion I and driven bevel pinion II is set respectively
Set the fan A and fan B to cool down to bearing.
By adopting the above-described technical solution, the technological progress that the utility model obtains is:
The synchronous three-dimensional vibrating apparatus for leveling of cement concrete is mounted on multifunction road molding machine, so that asphalt-spreader
When paving cement concrete pavement, the cement concrete that auger is allocated can tentatively be struck off by first plate, under first plate
The stripping fork in portion plays the role of combing to concrete, and the stone on the surface of cement concrete is sunk, and mud can
It rises to the surface, the flatness of highway pavement not only can be improved in this way, but also can protect screed；The pipe that vibrates is inserted into cement concrete
It inside vibrates, bubble fragmentation or the discharge in cement concrete can be made, the compactness to guarantee road surface is qualified；Using asphalt paving
The screed essence of machine is flat, so that there is higher flatness on road surface, to obtain high-quality road surface.
The synchronous three-dimensional vibrating apparatus for leveling structure of improved cement concrete is simpler, more compact.
The utility model part that will vibrate is divided into vibration gear unit and oscillator unit, and the two, can be with by flexible axle connection
It avoids the high-frequency vibration of oscillator unit from influencing the gear drive of vibration gear unit, extends the service life of gear, driving cog
Wheel can make running at high speed for gear more stable all using spiral bevel gear.
Two fan I and fan II are respectively set in the two sides up and down of off-centred dipole A and off-centred dipole B, for dropping to bearing
Temperature avoids destroying bearing due to the heat of the generation that runs at high speed of off-centred dipole A and off-centred dipole B cannot scatter in time.
Driven bevel pinion I's and driven bevel pinion II is respectively arranged below fan A and fan B, for giving erection driven umbrella
The cooling of the bearing of gear I and driven bevel pinion II, avoids bearing running hot from damaging.
The output shaft of gear-box can both direction output power to the left and right, it is ensured that the vibration gear list of the left and right sides
First synchronous vibration.
The pipe that vibrates is fixed on the first plate with dog-ear, vertical with dog-ear, angled with the vertical plane of first plate,
Both vibrating spear can be made all to generate high-frequency vibration in three-dimensional space, vibrated more sufficiently, and the oblique insertion cement of vibrating spear can be made
Any height of concrete, cement concrete road is all sufficiently vibrated.
The pipe that vibrates is arranged with oscillator unit interval can make entire width of roadway vibrate uniformly, each oscillator unit and vibration
Gear unit is independent mutually, can individually repair.
Warehouse protection board is set on the transverse slat of first plate, can prevent mud from entering in oscillator unit and screed and damaging
Equipment.
The base surface of warehouse protection board processes plum blossom shape pit, and for increasing the roughness of warehouse protection board, reduction is mentioned
The adsorption capacity of protection board and cement slurry is starched, while warehouse protection board can also generate the effect of warehouse because of the vibration of first plate, be
The ironing road surface of screed provides preparation.
Elevating mechanism selects reverse-flighted screw and matched left-handed nut and right-handed nut, can drive reverse-flighted screw again
When, left-handed nut and right-handed nut are mobile simultaneously, while left lever and right pull rod being pulled to rise and fall, and will be attached thereto just plate pull-up
Certain height not only can be used for adjusting the height for building road surface, but also can enable this equipment because improving just plate and the pipe that vibrates
It is enough to move field.
Several slideways are set on first plate, sliding block is set in slideway, sliding block connects support frame by spring, and support frame is solid
It is scheduled on frame plate, when the thickness or equipment for adjusting cement concrete move field, first plate and slideway are moved up and down along sliding block,
Change the height of just plate by elevating mechanism.
One end connecting spring of support frame can effectively buffer impact of the vibration to support frame of first plate.
Buffer spring is set on pedestal, just damage of the vibration of plate to reverse-flighted screw in work can be weakened.
Slider bar is worn on frame plate, slider bar is set as tetrafluoroethene plate, can eliminate exciting force, exciting force is avoided to pass
It is delivered to frame plate and then damages asphalt-spreader；It can also prevent frame plate and screed from bonding.
Detailed description of the invention
Fig. 1 is the side structure schematic diagram of the utility model；
Fig. 2 is the positive structure schematic of the utility model
Fig. 3 is vibration gear cellular construction schematic diagram；
Fig. 4 is oscillator unit structural schematic diagram；
Fig. 5 is gear box structure schematic diagram.
Wherein: 1, hanging crossbeam 2, large arm 3, elevating mechanism 4, first plate 5, synchronous three-dimensional vibrating mechanism 6, slideway
7, sliding block 8, spring 9, flexible axle 10, off-centred dipole 11, auger 12, stripping fork 13, vibrating spear 14, warehouse protection board 15,
Screed 16, support frame 17, frame plate 18, slider bar 19, gear-box 20, reverse-flighted screw 21, left-handed nut 22, a left side
Pull rod 23, buffer spring 24, right pull rod 25, right-handed nut 26, pedestal 27, transmission shaft 28, flange I 29, active umbrella tooth
Take turns I 30, flange II 31, driving bevel gear II 32, driven bevel pinion II 33, driven bevel pinion I 34, fan I 35, bias
Oscillator A 36, flexible axle A 37, flexible axle B 38, off-centred dipole B 39, fan II 40, helical gear A 41, output shaft 42, gear B
43, gear C 44, gear D 45, gear E 46, power input shaft 47, support frame A 48, shaft coupling 49, support frame B 50,
Jackshaft 51,52 fan A of fan B.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings and examples:
The synchronous three-dimensional vibrating apparatus for leveling of cement concrete is included in auger 11 as shown in figure 1, figure 2, figure 3, figure 4 and figure 5
The first flattening mechanism including first plate 4 that sets gradually between screed 15 by front and back synchronizes three-dimensional vibration including the pipe 13 that vibrates
Motivation structure 5 and including 17 elevating mechanism 3 of frame plate, first flattening mechanism is scattered and is tentatively struck off for allocating cement concrete,
Elevating mechanism 3 is connect by elevating mechanism 3 with frame plate 17 for adjusting just flattening mechanism height, first flattening mechanism, and frame plate 17 is cut with scissors
It connects on the suspension crossbeam 1 that the large arm 2 with asphalt-spreader is fixedly connected.
Synchronous three-dimensional vibrating mechanism 5 includes being fixed on vibration gear unit on frame plate 17 and being fixed on first plate 4
Oscillator unit, oscillator unit are arranged below vibration gear unit.Vibration gear unit includes the branch being fixed on frame plate 17
Transmission shaft 27 is laterally set in support A47, support frame A47, and transmission shaft 27 provides power by gear-box 19, wears on transmission shaft 27
Driving bevel gear I29 and driving bevel gear II31, driving bevel gear I29 and driving bevel gear II31 match with 27 gap of transmission shaft
It closes, flange I28 and flange II30 is also worn on transmission shaft 27, flange I28 and flange II30 are fixed with transmission shaft 27 respectively to be connected
It connects, safety pin is respectively set between driving bevel gear I29 and flange I28 and between driving bevel gear II31 and flange II30,
Below transmission shaft 27 be arranged the driven bevel pinion I33 engaged with driving bevel gear I29 and engaged with driving bevel gear II31 from
Dynamic bevel gear II32, driving bevel gear I29, driving bevel gear II31, driven bevel pinion I33 and driven bevel pinion II32 pass through axis
Bolster is located on support frame A47, and driven bevel pinion I33 and driven bevel pinion II32's is respectively arranged below fan A52 and fan
B51, for the bearing cooling for setting up driven bevel pinion I33 and driven bevel pinion II32；Connection is arranged in the other end of transmission shaft 27
Axis device 48 is connect with adjacent vibration gear unit or power device.
Oscillator unit includes the off-centred dipole A35 and off-centred dipole B38 being vertically arranged, off-centred dipole A35 and off-centred dipole
B38 is erected on support frame B49 by bearing, and support frame B49 is fixed on just plate 4, off-centred dipole A35 and off-centred dipole
Fan I34 and fan II39 is respectively set in the two sides up and down of B38, and fan I34 and fan II39 are used to cool down to bearing, eccentric
Oscillator A35 and off-centred dipole B38 passes through flexible axle A36 and flexible axle B37 and driven bevel pinion I33 and driven bevel pinion II32 respectively
Connection, driving bevel gear I, driving bevel gear II, driven bevel pinion I and driven bevel pinion II are all made of spiral bevel gear.
Gear-box 19 includes power input shaft 46, and gear E45 is coaxially disposed on power input shaft 46, is also put down in gear-box 19
Jackshaft 50 and output shaft 41 is arranged in row, and gear A 40 and gear D 44 are arranged on jackshaft 50, gear is arranged on output shaft 41
B42 and gear C 43, gear D 44 and gear E45 engagement, gear A 40 and gear B 42 engage.
First flattening mechanism includes the L-shaped just plate 4 with dog-ear, if being provided with along its length on the vertical plate of first plate 4
A slideway 6 is done, is provided with sliding block 7 in slideway 6, sliding block 7 can be slided up and down along slideway 6, and spring 8, bullet are connected on the outside of sliding block 7
The other side of spring 8 connects support frame 16, and support frame 16 is fixedly connected on frame plate 17.
The lower end of the vertical plate of first plate 4 is provided with stripping fork 12；If vertical fixation along its length on the dog-ear plate of first plate 4
The dry pipe 13 that vibrates so that vibrate pipe 13 and vertical vertical plate it is angled, in oblique insertion cement concrete；Vibrate pipe 13
With oscillator unit arranged for interval.
Warehouse protection board 14 is additionally provided on the transverse slat of first plate 4 to extend back, the base surface of warehouse protection board 14 is bored
Cut or laser scoring increase roughness plum blossom shape pit, warehouse protection board 14 can enter to avoid mud oscillator unit and
Screed 15.
Elevating mechanism 3 includes the reverse-flighted screw 20 of lateral arrangement, one end connecting power device of reverse-flighted screw 20, two-way spiral shell
Bar 20 is fixed on frame plate 17 by bearing, and the both ends of reverse-flighted screw 20 screw left-handed nut 21 and right-handed nut 25 respectively,
Left lever 22 and right pull rod 24, the other end of left lever 22 and right pull rod 24 are respectively articulated on left-handed nut 21 and right-handed nut 25
It is hinged on pin shaft, buffer spring 23 is set on pin shaft, and on base plate 26, pedestal 26 is fixed for the other end connection of buffer spring 23
On first plate 4.
Slider bar 18 is equipped on frame plate 17, slider bar 18 is tetrafluoroethene plate, and slider bar 18 can prevent frame plate
17 bond with screed 15, eliminate exciting force.
Claims (9)
1. cement concrete synchronizes three-dimensional vibrating apparatus for leveling, which is characterized in that be included in auger (11) and screed (15) it
Between set gradually by front and back the first flattening mechanism including first plate (4), including the synchronization three-dimensional vibrating mechanism of the pipe that vibrates (13)
(5), the elevating mechanism (3) including frame plate (17) of just flattening mechanism height is adjusted, is consolidated on two large arm (2) of asphalt-spreader
Fixed connection suspension crossbeam (1), the just flattening mechanism are connect with elevating mechanism (3), and elevating mechanism (3) is hinged by frame plate (17)
In suspension crossbeam (1)；
The synchronous three-dimensional vibrating mechanism (5) includes being fixed on vibration gear unit on frame plate (17) and being arranged in vibration gear
Unit lower section, the oscillator unit being fixed on just plate (4), the vibration gear unit include being fixed on frame plate (17)
Laterally it is arranged in support frame A (47), support frame as described above A (47) and provides the transmission shaft (27) of power, the biography by gear-box (19)
It is worn on moving axis (27) and the driving bevel gear I (29) of transmission shaft (27) clearance fit, driving bevel gear II (31) and transmission shaft
(27) the flange I (28) and flange II (30) being fixedly connected, it is between the driving bevel gear I (29) and flange I (28) and main
Safety pin is respectively set between dynamic bevel gear II (31) and flange II (30), the transmission shaft (27) is respectively arranged below and active
The driven bevel pinion I (33) of bevel gear I (29) engagement, the driven bevel pinion II (32) engaged with driving bevel gear II (31), institute
It states driving bevel gear I (29), driving bevel gear II (31), driven bevel pinion I (33) and driven bevel pinion II (32) and passes through bearing
It is erected on support frame A (47), other end setting shaft coupling (48) of the transmission shaft (27) and adjacent vibration gear unit connect
It connects；The oscillator unit includes the off-centred dipole A (35) and off-centred dipole B (38) being vertically arranged, the off-centred dipole A (35) and
Off-centred dipole B (38) is erected on support frame B (49) by bearing, and support frame as described above B (49) is fixed on just plate (4), institute
Two fan I (34) and wind to cool down to bearing are respectively set in the two sides up and down for stating off-centred dipole A (35) and off-centred dipole B (38)
It fans II (39), the off-centred dipole A (35) and off-centred dipole B (38) pass through flexible axle A (36) and flexible axle B (37) and driven umbrella respectively
Gear I (33) and driven bevel pinion II (32) connection.
2. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: the gear-box
(19) include power input shaft (46), be coaxially disposed gear E (45) on the power input shaft (46), in the gear-box (19)
Jackshaft (50) and output shaft (41) is also arranged in parallel, gear A (40) and gear D (44), output shaft are set on jackshaft (50)
(41) gear B (42) and gear C (43), gear D (44) and gear E (45) engagement, gear A (40) and gear B (42) are set on
Engagement.
3. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: the just flat machine
Structure includes the L-shaped just plate (4) with dog-ear, is provided with several cunnings along its length on the just vertical plate of plate (4)
Road (6), interior be provided with of the slideway (6) can be connected on the outside of the sliding block (7) that slideway (6) slide up and down, the sliding block (7)
Spring (8), the other side of the spring (8) are connected and fixed the support frame (16) being arranged on frame plate (17)；The just plate
(4) lower end of vertical plate is provided with stripping fork (12)；Several are vertically fixed along its length on the just dog-ear plate of plate (4)
It vibrates pipe (13), the pipe that vibrates (13) and oscillator unit arranged for interval；On the just transverse slat of plate (4) to extend back also
It is provided with the warehouse protection board (14) for avoiding mud from entering oscillator unit and screed (15).
4. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 3, it is characterised in that: the warehouse is protected
The base surface drilling of backplate (14) or laser scoring increase the plum blossom shape pit of roughness.
5. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: elevating mechanism
(3) include lateral arrangement one end connecting power device reverse-flighted screw (20), the reverse-flighted screw (20) fixed by bearing
On frame plate (17), the both ends of reverse-flighted screw (20) screw left-handed nut (21) and right-handed nut (25) respectively, described left-handed
Left lever (22) and right pull rod (24), the left lever (22) and right pull rod are respectively articulated on nut (21) and right-handed nut (25)
(24) the other end is hinged on pin shaft, and buffer spring (23) are arranged on the pin shaft, the other end connection of buffer spring (23)
On pedestal (26), pedestal (26) is fixed on just plate (4).
6. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: the frame plate
(17) slider bar (18) for the elimination exciting force for preventing frame plate (17) and screed (15) from bonding is equipped on.
7. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 6, it is characterised in that: the slider bar
It (18) is tetrafluoroethene plate.
8. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: the active umbrella
Gear I (29), driving bevel gear II (31), driven bevel pinion I (33) and driven bevel pinion II (32) use spiral bevel gear.
9. the synchronous three-dimensional vibrating apparatus for leveling of cement concrete according to claim 1, it is characterised in that: the driven umbrella
Gear I's (33) and driven bevel pinion II (32) is respectively arranged below the fan A (52) and fan B (51) to cool down to bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063283.2U CN209703249U (en) | 2019-01-15 | 2019-01-15 | Cement concrete synchronizes three-dimensional vibrating apparatus for leveling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063283.2U CN209703249U (en) | 2019-01-15 | 2019-01-15 | Cement concrete synchronizes three-dimensional vibrating apparatus for leveling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209703249U true CN209703249U (en) | 2019-11-29 |
Family
ID=68639597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920063283.2U Expired - Fee Related CN209703249U (en) | 2019-01-15 | 2019-01-15 | Cement concrete synchronizes three-dimensional vibrating apparatus for leveling |
Country Status (1)
| Country | Link |
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| CN (1) | CN209703249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577148A (en) * | 2019-01-15 | 2019-04-05 | 石家庄辰启科技有限公司 | Cement concrete synchronizes three-dimensional vibrating apparatus for leveling |
| CN112873481A (en) * | 2021-01-11 | 2021-06-01 | 广东博智林机器人有限公司 | Vibrating device and working method thereof |
-
2019
- 2019-01-15 CN CN201920063283.2U patent/CN209703249U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577148A (en) * | 2019-01-15 | 2019-04-05 | 石家庄辰启科技有限公司 | Cement concrete synchronizes three-dimensional vibrating apparatus for leveling |
| CN109577148B (en) * | 2019-01-15 | 2024-05-03 | 台州市泰辉市政工程有限公司 | Synchronous three-dimensional vibration leveling device for cement concrete |
| CN112873481A (en) * | 2021-01-11 | 2021-06-01 | 广东博智林机器人有限公司 | Vibrating device and working method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20210115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |