CN207143661U - The levelling device for the mechanism that paves - Google Patents
The levelling device for the mechanism that paves Download PDFInfo
- Publication number
- CN207143661U CN207143661U CN201721078630.6U CN201721078630U CN207143661U CN 207143661 U CN207143661 U CN 207143661U CN 201721078630 U CN201721078630 U CN 201721078630U CN 207143661 U CN207143661 U CN 207143661U
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- hydraulic cylinder
- fixed plate
- paves
- detection signal
- levelling device
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- 238000001514 detection method Methods 0.000 claims description 51
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- 238000012360 testing method Methods 0.000 claims description 13
- 244000124765 Salsola kali Species 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
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- 238000010295 mobile communication Methods 0.000 claims description 5
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- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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- Road Paving Machines (AREA)
Abstract
The utility model discloses a kind of levelling device for the mechanism that paves, it is intended to solves existing paver and is scabbled road surface by setting basal plane to scabble machine, to ensure the evenness of road surface that paves out, the problem of use cost is high, its drip irrigation device is：A kind of levelling device for the mechanism that paves, it is used for the fixed plate of the fixed mechanism that paves on paver body including being arranged on, hydraulic cylinder group is provided with the fixed plate, the hydraulic cylinder group includes two in the hydraulic cylinder for being arranged at fixed plate straight down, two hydraulic cylinders arrange along paver body width, and fixed plate midpoint both sides are respectively arranged at, the hydraulic cylinder body is articulated with fixed plate, and the mechanism that paves is articulated with hydraulic cylinder piston rod.The levelling device of the mechanism of the present utility model that paves can reduce the use cost of paver, increase economic benefit.
Description
Technical field
Pavement Construction Equipment is the utility model is related to, more specifically, it relates to a kind of levelling device for the mechanism that paves.
Background technology
As highway in China grade tends to diversification, standard highway, County Highway and urban road are with unprecedented
Scale, standard and speed are pushed ahead.The speed of pavement construction is so promoting construction of the highway machine also in raising at full speed simultaneously
Higher and higher requirement also is proposed to construction machinery technical merit, construction technology while tool.
The highway transportation of modernization, to highway pavement intensity, rigidity, density, uniformity, flatness, driving it is comfortable
Property, the requirement such as security improve constantly, bring the rapid development of mechanization of building operation.As the master for undertaking network of highways pavement construction
Equipment is wanted, paver is primarily used for basic unit and the various materials of surface layer on highway（Pitch, concrete etc.）Paving operation
Construction equipment, preliminary jolt ramming and leveling are carried out while on roadbase various materials are uniformly paved.
The construction basis road surface of existing paver is nonstandard, and so-called basic road surface is exactly parallel with preferable road surface puts down
Face, the contact surface or tire and the contact surface on ground of two crawler belts and ground are embodied on paver.When vehicle track or tire
Basic road surface of traveling or so height differs, and the road surface that paver shakeouts jolt ramming will tilt to one side.When vehicle track or wheel
The road surface of tire traveling is uneven in a forward direction, and awave height will be presented not in the road surface that paver shakeouts jolt ramming
It is flat.
A kind of paver is characterized in that disclosed in Publication No. CN206298807U Chinese patent：Including chassis,
Basal plane scabbles machine and spiral distributor；The basal plane scabbles machine and the spiral distributor is positioned apart from successively from front to back
On the chassis；The basal plane scabbles machine and is used to scabble on basic road surface.
Solve basic road surface height in such scheme to differ, the road surface that paver shakeouts jolt ramming will be inclined to one side
Problem, but when scabbling machine road pavement using basal plane and being scabbled, due to the stone of more hard on basic road surface generally be present,
So the wear rate that basal plane scabbles machine is larger, it is necessary to staff, which scabbles machine to basal plane, is repaired and changed corresponding component,
Increase the use cost of paver.
Therefore need to propose a kind of new scheme to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is the leveling dress for providing a kind of mechanism that paves
Put, the use cost of paver can be reduced.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of tune for the mechanism that paves
Leveling device, including the fixed plate for being used for the fixed mechanism that paves on paver body is arranged on, it is provided with hydraulic pressure in the fixed plate
Cylinder group, the hydraulic cylinder group include two in being arranged at the hydraulic cylinder of fixed plate straight down, and two hydraulic cylinders are along paver
Body width arranges, and is respectively arranged at fixed plate midpoint both sides, and the hydraulic cylinder body is articulated with fixed plate, the stand
Paving mechanism is articulated with hydraulic cylinder piston rod.
By using above-mentioned technical proposal, when carrying out paving operation using paver, if paver is because basic road
Face tilts and inclined, and user can control multiple hydraulic cylinders to be extended and shortened according to actual conditions, using more
The individual hydraulic cylinder mechanism that will pave is adjusted to horizontality, to ensure the evenness of road surface for paving out, due in use, being
By the elongation of hydraulic cylinder and shorten the evenness of road surface to pave out, therefore the abrasion for the mechanism that paves is smaller, can subtract
Few maintenance and the number for changing part, so as to reduce use cost.
The utility model is further arranged to：Horizontal assembly is set in the fixed plate, and the horizontal assembly is included in not
The base for the shape of falling father-in-law and the balancing pole being horizontally placed on base, the arc of indent is offered in the fixed plate in point midway
Shape mounting groove, the base are placed in arc mounting groove, and the radian of the arc mounting groove is more than the radian of base bottom, described
Balance bar length is set along two hydraulic cylinder orientations, and balancing pole center of gravity is located at directly over base center of gravity, the balancing pole
On be connected with for judging fixed plate inclined degree and controlling the balance Control Scheme component of hydraulic cylinder.
By using above-mentioned technical proposal, when base is placed in arc mounting groove, in the base of roly-poly shape using not
Dao Weng principles city remains poised state, and now horizontally disposed balancing pole remains balance, therefore can be used as level
Object of reference judges to whether fixed plate tilts；Simultaneously as be provided with balance Control Scheme component control hydraulic cylinder elongation or
It is to shorten, so convenient use person will pave, mechanism regulation will be horizontal, convenient use.
The utility model is further arranged to：The balance Control Scheme component includes, and testing agency, is arranged at balancing pole
On, for detecting balancing pole the distance between to fixed plate upper surface, and export apart from detection signal；Signal transmission mechanism, coupling
The testing agency is connected to, for receiving simultaneously transmission range detection signal；Controlling organization, the signal transmission mechanism is coupled to,
For receiving and responding apart from detection signal, to control hydraulic cylinder extension.
By using above-mentioned technical proposal, the range sensor being arranged on balancing pole can detect balancing pole and fixation
The distance between plate upper surface, and export and give signal transmission mechanism apart from detection signal, receive distance in signal transmission mechanism
After detection signal, it will be sent to apart from detection signal and be arranged at controlling organization, controlling organization is received after detection signal, right
It is responded and controls hydraulic cylinder to be stretched, user-friendly so as to realize to the mechanism automatic leveling that paves.
The utility model is further arranged to：The testing agency is symmetricly set on balancing pole both ends including at least two
Range sensor, the range sensor output end is coupled to signal transmission mechanism, and exports apart from detection signal.
By using above-mentioned technical proposal, it can utilize and utilize two range sensors pair being separately positioned on balancing pole
Detected on balancing pole with the distance between fixed plate, and export and give signal transmission mechanism apart from detection signal, to carry out
Subsequent operation.
The utility model is further arranged to：The signal transmission mechanism includes wireless data transmitter and wireless data connects
Receive device, the wireless data transmitter and the output end for being coupled to testing agency, the wireless data receiver output end coupling
In controlling organization, the wireless data transmitter is connected with wireless data receiver by mobile communication.
By using above-mentioned technical proposal, in testing agency's detection output after detection signal, the detection signal of output
Received by wireless data transmitter, data are sent to wireless data by mobile communication after receiving and received by wireless data transmitter
Device, wireless data receiver are received after detection signal, will be exported apart from detection signal to controlling organization, so as to control machine
Structure can control hydraulic cylinder extension according to apart from detection signal, to realize that automatic leveling paves the purpose of mechanism.
The utility model is further arranged to：The controlling organization controls hydraulic cylinder extension according to apart from detection signal, when
It is more than preset value apart from detection signal, controlling organization control hydraulic cylinder shortens, when apart from detection signal little Yu preset values, control machine
Structure control hydraulic cylinder elongation, the hydraulic cylinder, which is located at, exports this apart from the range sensor side of detection signal.
By using above-mentioned technical proposal, controlling organization receives the distance detection letter that wireless data receiver transmits
After number, it will be compared apart from detection signal and preset value, when being more than preset value apart from detection signal, controlling organization controls hydraulic pressure
Cylinder shortens, when apart from detection signal little Yu preset values, controlling organization control hydraulic cylinder elongation, the hydraulic cylinder is positioned at the output distance
The range sensor side of detection signal.
The utility model is further arranged to：The hydraulic cylinder group has two groups, and two groups of hydraulic cylinder groups are along paver body
Length direction arranges.
By using above-mentioned technical proposal, two groups of hydraulic cylinder groups can be utilized to strengthen the balance for the mechanism that paves, ensure to adjust
Flat effect.
The utility model is further arranged to：The balancing pole is two, and the upright projection of two balancing poles is in cross
Shape, the range sensor are four, are in symmetrically to be arranged at two balancing pole both ends respectively.
By using above-mentioned technical proposal, so as to which when the mechanism that paves is left and right and forward and backward inclination, user can be sharp
Two groups of hydraulic cylinder groups are coordinated to carry out leveling to the mechanism that paves with four range sensors, so as to strengthen of the present utility model be applicable
Property.
The utility model is further arranged to：The protective cover for waterproof and windproof is provided with the fixed plate, it is described
Protective cover covers at horizontal assembly, and the protective cover is detachably connected with fixed plate.
By using above-mentioned technical proposal, the extraneous factors such as rainwater or wind can be avoided to influence the use effect of horizontal assembly
Fruit, so as to the levelling effect for the mechanism that ensures to pave.
The utility model is further arranged to：The arc mounting groove presents hatch frame, is provided with the fixed plate
Depart from the limited part of arc mounting groove for limiting base, the limited part is in the hollow semi-circular structure of upper and lower opening, is covered at
Arc mounting groove overthe openings, the base are placed in limited part, and limited part upper opening diameter is less than in roly-poly shape
The maximum gauge of base, and limited part upper edge is located at below balancing pole.
By using above-mentioned technical proposal, the use of vertical limited part can avoid base from being taken off from arc mounting groove edge
From influenceing using effect；Simultaneously as laterally limit part agrees with base top towards base side, and base is in roly-poly shape,
So base can be avoided to takeoff, ensure using effect.
In summary, the utility model has the advantages that：Fixed plate is set on paver, and the mechanism that paves passes through
Some hydraulic cylinders are articulated with fixed plate, and the mechanism that paves is similarly be hinged with hydraulic cylinder, in paver because basic inclination
And when tilting, that is, paved mechanism tilts, and user be able to will be paved by adjusting the length of each hydraulic cylinder mechanism leveling, to protect
The evenness of road surface that paves out is demonstrate,proved, due to being to realize smooth paving concrete pavement with the length for overregulating hydraulic cylinder so loss is smaller,
User can reduce maintenance and change the number of part, so as to reduce use cost；Set balance Control Scheme component automatic
Hydraulic cylinder extension is controlled, so as to user-friendly.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model, to show that the utility model is arranged on paver body
Structure；
Fig. 2 is structural representation two of the present utility model, to show the structure of horizontal assembly；
Fig. 3 is system block diagram of the present utility model, to show the structure of balance Control Scheme component；
Fig. 4 is structural representation three of the present utility model, to show the structure of limited part.
In figure：1st, paver body；11st, fixed plate；2nd, pave mechanism；4th, hydraulic cylinder group；41st, hydraulic cylinder；5th, horizontal group
Part；50 arc mounting grooves；51st, base；52nd, balancing pole；61st, controlling organization；62nd, range sensor；63rd, wireless data transmission
Device；64th, wireless data receiver；7th, protective cover；8th, limited part.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
The levelling device for the mechanism that paves, reference picture 1, including the fixed plate 11 being fixedly welded on paver body 1, wherein
Paver body 1 is complete structure, has corresponding power set, the mechanism that paves 2, feed device and for manipulating whole machine
The control device of body.
Below fixed plate 11 two hydraulic cylinder groups 4, hydraulic cylinder group are symmetrically arranged with along the length direction of paver body 1
4 are articulated with fixed plate 11 including two along the symmetrically arranged hydraulic cylinder 41 of the width of paver body 1, the cylinder body of hydraulic cylinder 41
Surface, piston rod are articulated with the top of mechanism 2 that paves.
The setting of four hydraulic cylinders 41 evenly and symmetrically, the upright projection of four hydraulic cylinders 41 form rectangular configuration, and four
The center of individual hydraulic cylinder 41 and the center superposition of fixed plate 11；Further, because the upper and lower ends of hydraulic cylinder 41 are hinged, therefore spreading out
The gene basis Uneven road of paving machine body 1 and when tilting, user be able to will be spread out by changing four 41 respective length of hydraulic cylinder
The leveling of mechanism 2 is spread, to ensure the evenness of road surface for paving out.Because the leveling for the mechanism that paves is simply by regulation hydraulic cylinder 41
Length realizes, thus pave mechanism 2 leveling when, loss is smaller, user often this need not be overhauled using new or
It is to change, and then reduces use cost.
Reference picture 2, horizontal assembly 5 is provided with fixed plate 11 and is used to judge whether paver body 1 is crooked, horizontal group
Part includes the base 51 in roly-poly shape；The arc mounting groove 50 of indent, arc peace are offered at the upper surface center of fixed plate 11
Side is in hatch frame to tankage 50 upward, and base 51 is placed in inside arc mounting groove 50, and the radian of arc mounting groove 50 is more than
The radian of the curved bottom of base 51, so as to which base 51 can be incorporated in arc mounting groove 50, it is avoided arbitrarily to move, again
Do not interfere with and remain horizontal equilibrium using tumbler equilibrium principle in the base 51 of roly-poly shape.
It is bolted to connection the balancing pole 52 being horizontal in the upper end of base 51, balancing pole 52 is two, two
The upright projection of individual balancing pole 52 is in cross, and is integrally formed together；Further, the tie point of two balancing poles 52 is
Center of gravity, and the center of gravity of two balancing poles 52 is located at directly over the center of gravity of base 51, i.e., can be with after balancing pole 52 is placed on base 51
Following base 51, together keep level balances；Further, two balancing poles 52 are respectively along paver body 1（It is shown in figure
1）Length direction and width set.
Reference picture 2 and Fig. 3, balance Control Scheme component is connected with fixed plate 11 and is used to judge that paver body 1 is
It is no crooked, and automatically control hydraulic cylinder 41 and stretch, with user-friendly.Balance Control Scheme component includes testing agency,
It is arranged on balancing pole 52, the distance between upper surface of fixed plate 11 is arrived for detecting balancing pole 52, and exports distance detection letter
Number；Signal transmission mechanism, the testing agency is coupled to, for receiving simultaneously transmission range detection signal；Controlling organization 61, coupling
In the signal transmission mechanism, for receiving and responding apart from detection signal, to control hydraulic cylinder 41 flexible.
Testing agency includes four in the range sensor 62 for being symmetrically installed on two 52 each ends of balancing pole, distance
The test side of sensor 62 for detecting the distance between fixed plate 11, and is exported apart from detection signal towards fixed plate 11.
The output end of range sensor 62 is coupled to signal transmission mechanism.
Signal transmission mechanism includes wireless data transmitter 63 and wireless data receiver 64, and wireless data transmitter 63 is pacified
On balancing pole 52, the output end of range sensor 62 is coupled to, to receive apart from detection signal and transmit signals to nothing
Line data sink 64；Wireless data receiver 64 may be mounted in fixed plate 11, pass through mobile communication or WIFI connections
Wireless data transmitter 63, to receive apart from detection signal, and by signal output to controlling organization 61.Why passed using wireless
When defeated mode is in order to avoid using definite transmission, data wire influences the use of balancing pole 52 so that balancing pole 52 is difficult to keep
Horizontal equilibrium.
Controlling organization 61 is coupled to the output end of wireless data receiver 64, can receive apart from detection signal, and according to away from
Control each hydraulic cylinder 41 flexible from detection signal, controlling organization 61 can be MCU.When being more than preset value apart from detection signal,
Controlling organization 61 controls hydraulic cylinder 41 to shorten, and is stretched when apart from detection signal little Yu preset values, the control hydraulic cylinder 41 of controlling organization 61
Long, the hydraulic cylinder 41, which is located at, exports this apart from the side of range sensor 62 of detection signal；When i.e. paver direction tilts,
Range sensor 62 positioned at left and right sides is exported apart from detection signal, and is transferred to controlling organization 61, the control bit of controlling organization 61
Flexible, the leveling of the mechanism that will pave 2 in the corresponding hydraulic cylinder 41 of paver body left and right sides；When paver body 1 tilts forward and back
Shi Tongli, hydraulic cylinder 41 of the control of controlling organization 61 positioned at side before and after fixed plate 11 are flexible.
Reference picture 4, limited part 8 is welded and fixed in the upper surface of fixed plate 11 and is used to avoid base 51 from departing from arc mounting groove
50, limited part 8 is in the hollow semicircle shape structure of upper and lower opening, the base 51 of the upper shed diameter little Yu roly-poly shapes of limited part 8
Maximum gauge, and the upper edge of limit frame 8 is located at the lower section of balancing pole 52, so as to can both avoid base 51 from departing from arc mounting groove
50（It is shown in Fig. 2）, balancing pole 52 is not interfered with again to be used.
Referring to Figures 1 and 2, to avoid the extraneous factors such as wind and rain from impacting the balance of balancing pole 52, in fixed plate 11
On be bolted to connection protective cover 7, the cover of protective cover 7 sets balancing pole 52, and inwall will not contradict balancing pole 52, or shadow
Signal transmission is rung, to ensure the utility model using effect.
If by the utility model be arranged on paver body 1 and in use, paver body 1 towards tilting,
Balancing pole 52 remains horizontal equilibrium due to the effect of the base 51 in roly-poly shape, is now arranged at left and right towards upper
Two range sensors 62 of the end of balancing pole 52 export respectively corresponding to apart from detection signal to wireless data transmitter 63, nothing
Line data source 63 receives is sent to wireless data receiver 64, nothing by signal after detection signal by mobile communication
Line data sink 64 is received signal output after detection signal to controlling organization 61, is received after detection signal
Judged；When being more than preset value apart from detection signal, controlling organization 61 controls hydraulic cylinder 41 to shorten, when small apart from detection signal
Remaining preset value, controlling organization 61 control hydraulic cylinder 41 to extend, and the hydraulic cylinder 41 is located at the distance biography for exporting this apart from detection signal
The side of sensor 62, i.e., when paver body 1 is towards left side, hydraulic cylinder 41 of the control of controlling organization 61 positioned at left side extends；
Pass through same method leveling when paver body is towards right side, front side or rear side.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. levelling device for the mechanism that paves, it is characterised in that：Including being arranged on paver body（1）It is upper to be used for fixed pave Mechanism（2）Fixed plate（11）, the fixed plate（11）On be provided with hydraulic cylinder group（4）, the hydraulic cylinder group（4）Including two In being arranged at fixed plate straight down（11）Hydraulic cylinder（41）, two hydraulic cylinders（41）Along paver body（1）Width Arrangement, and it is respectively arranged at fixed plate（11）Midpoint both sides, the hydraulic cylinder（41）Cylinder body is articulated with fixed plate（11）, the stand Spread mechanism（2）It is articulated with hydraulic cylinder（41）Piston rod.
- 2. the levelling device of the mechanism according to claim 1 that paves, it is characterised in that：The fixed plate（11）Upper setting water Flat component（5）, the horizontal assembly（5）Including the base in roly-poly shape（51）And it is horizontally placed on base（51）On it is flat Weigh bar（52）, the fixed plate（11）On the arc mounting groove of indent is offered in point midway（50）, the base（51）Put In arc mounting groove（50）It is interior, the arc mounting groove（50）Radian be more than base（51）The radian of bottom, the balancing pole （52）Length is along two hydraulic cylinders（41）Orientation is set, and balancing pole（52）Center of gravity is located at base（51）Directly over center of gravity, The balancing pole（52）On be connected with for judging fixed plate（11）Inclined degree simultaneously controls hydraulic cylinder（41）Autobalance control Component processed.
- 3. the levelling device of the mechanism according to claim 2 that paves, it is characterised in that：The balance Control Scheme component bag Include,Testing agency, it is arranged at balancing pole（52）On, for detecting balancing pole（52）To fixed plate（11）Between upper surface away from From, and export apart from detection signal；Signal transmission mechanism, the testing agency is coupled to, for receiving simultaneously transmission range detection signal；Controlling organization（61）, the signal transmission mechanism is coupled to, for receiving and responding apart from detection signal, to control hydraulic pressure Cylinder（41）It is flexible.
- 4. the levelling device of the mechanism according to claim 3 that paves, it is characterised in that：The testing agency includes at least two It is individual to be symmetricly set on balancing pole（52）The range sensor at both ends（62）, the range sensor（62）Output end is coupled to signal Transmission mechanism, and export apart from detection signal.
- 5. the levelling device of the mechanism according to claim 3 that paves, it is characterised in that：The signal transmission mechanism includes nothing Line data source（63）And wireless data receiver（64）, the wireless data transmitter（63）With being coupled to testing agency Output end, the wireless data receiver（64）Output end is coupled to controlling organization（61）, the wireless data transmitter（63） And wireless data receiver（64）Connected by mobile communication.
- 6. the levelling device of the mechanism according to claim 3 that paves, it is characterised in that：The controlling organization（61）According to away from Hydraulic cylinder is controlled from detection signal（41）It is flexible, when being more than preset value, controlling organization apart from detection signal（61）Control hydraulic cylinder （41）Shorten, when apart from detection signal little Yu preset values, controlling organization（61）Control hydraulic cylinder（41）Elongation, the hydraulic cylinder（41） Positioned at export this apart from detection signal range sensor（62）Side.
- 7. the levelling device of the mechanism according to claim 4 that paves, it is characterised in that：The hydraulic cylinder group（4）There are two groups, And two groups of hydraulic cylinder groups（4）Along paver body（1）Length direction arranges.
- 8. the levelling device of the mechanism according to claim 7 that paves, it is characterised in that：The balancing pole（52）For two, And two balancing poles（52）Upright projection be in cross, the range sensor（62）For four, set respectively in symmetrical In two balancing poles（52）Both ends.
- 9. the levelling device of the mechanism according to claim 2 that paves, it is characterised in that：The fixed plate（11）On be provided with Protective cover for waterproof and windproof（7）, the protective cover（7）Cover at horizontal assembly（5）, and the protective cover（7）With consolidating Fixed board（11）It is detachably connected.
- 10. the levelling device of the mechanism according to claim 2 that paves, it is characterised in that：The arc mounting groove（50）It is in Upper shed structure, the fixed plate（11）On be provided with for limiting base（51）Depart from arc mounting groove（50）Limited part （8）, the limited part（8）In the hollow semi-circular structure of upper and lower opening, arc mounting groove is covered at（50）Overthe openings, the bottom Seat（51）It is placed in limited part（8）It is interior, and limited part（8）Upper opening diameter is less than the base in roly-poly shape（51）Maximum it is straight Footpath, and limited part（8）Upper edge is located at balancing pole（52）Lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078630.6U CN207143661U (en) | 2017-08-25 | 2017-08-25 | The levelling device for the mechanism that paves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078630.6U CN207143661U (en) | 2017-08-25 | 2017-08-25 | The levelling device for the mechanism that paves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143661U true CN207143661U (en) | 2018-03-27 |
Family
ID=61670127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078630.6U Expired - Fee Related CN207143661U (en) | 2017-08-25 | 2017-08-25 | The levelling device for the mechanism that paves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207143661U (en) |
-
2017
- 2017-08-25 CN CN201721078630.6U patent/CN207143661U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |