CN202440745U - Wheel type paver lifting device and wheel type paver - Google Patents
Wheel type paver lifting device and wheel type paver Download PDFInfo
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- CN202440745U CN202440745U CN2012200609425U CN201220060942U CN202440745U CN 202440745 U CN202440745 U CN 202440745U CN 2012200609425 U CN2012200609425 U CN 2012200609425U CN 201220060942 U CN201220060942 U CN 201220060942U CN 202440745 U CN202440745 U CN 202440745U
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Abstract
The utility model provides a wheel type paver lifting device which is characterized by comprising a front wheel (1) serving as a fulcrum, a machine frame (2) serving as a beam, a large-arm cylinder (3) arranged at the rear end of the machine frame (2), an ironing plate (4) used for supporting the large-arm cylinder (3) and a lifting oil line for controlling the large-arm cylinder (3). The large-arm cylinder (3) can downward press the ironing plate (4) under the effect of the lifting oil line and simultaneously drives the machine frame (2) to rotate with the front wheel (1) as the fulcrum so as to enable a rear wheel (7) to be suspended in the air. By means of the self characteristics of the wheel type paver, no additional complicate auxiliary tool is needed, the machine frame can be ejected totally by aid of the large-arm cylinder so as to enable people to perform mounting, demounting and maintenance of tires, reducers and motors, working safety is ensured, safety hazard is avoided, and the wheel type paver lifting device is easy to implement and reliable in working and effectively improves mounting and demounting efficiency of the rear wheel of the wheel type paver.
Description
Technical field
The utility model relates to the construction implement field, more specifically, relates to a kind of wheel-type spreading machine lifting gear and comprises the wheel-type spreading machine of this lifting gear.
Background technology
At present, the motor of wheel-type spreading machine mostly is installed on the inboard of frame.When motor was carried out dismounting, just pulled down earlier by tire (mainly being trailing wheel) and reductor for needs.
As shown in Figure 1, need be when the dismounting tire by external world lifting or supporting tool with frame jack-up, as adopting hydraulic jack with frame jack-up, this instrument uses very inconvenient, and has certain potential safety hazard.
In the process that realizes the utility model; The inventor finds to exist at least in the prior art following problem: in the maintenance of traditional wheel-type spreading machine driving system and the maintenance; Need be by the lifting in the external world or supporting tool with frame jack-up; Need special instrument, safeguard and repair inconvenience very, and in disassembly process, have certain potential safety hazard.
The utility model content
In the maintenance and maintenance that solve wheel-type spreading machine driving system in the above-mentioned prior art; Need by the lifting in the external world or supporting tool with frame jack-up, need special instrument, maintenance and maintenance process inconvenience very; And in disassembly process, there are certain problems such as potential safety hazard or one of at least; The utility model provides a kind of wheel-type spreading machine lifting gear, can effectively overcome above-mentioned the problems of the prior art.
In view of this; The utility model provides a kind of wheel-type spreading machine lifting gear; Comprise front-wheel as fulcrum, as the frame of beam, be located at said frame rear end big arm oil cylinder, support the screed of said big arm oil cylinder and control the lifting oil circuit of said big arm oil cylinder; One end of big arm is hinged on the said frame between said front-wheel and the trailing wheel, and the other end of said big arm is walked around said trailing wheel and is connected to said screed, and an end of said big arm oil cylinder is connected to said frame rear end; The other end of said big arm oil cylinder is connected to said screed; Said big arm oil cylinder said screed of roof pressure downwards under the effect of said lifting oil circuit, driving said frame simultaneously is that fulcrum rotates with said front-wheel, makes said trailing wheel unsettled.
In technique scheme; Preferably, said lifting oil circuit comprises that the big arm oil cylinder of the lifting roof pressure power that can control said big arm oil cylinder promotes the roof pressure valve and is arranged at the big arm oil cylinder locking structure between said big arm oil cylinder lifting roof pressure valve and the said big arm oil cylinder.
In traditional wheel-type spreading machine,, need big arm oil cylinder that screed is applied certain pressure in order to satisfy the job requirement of screed; Therefore the road surface that its ironing is paved just has the big arm oil cylinder of control screed action to add feather valve in existing paver, and it can give certain pressure of big arm oil cylinder or unloading; Make the screed operate as normal; In the scheme that the utility model provides, big arm oil cylinder is also wanted the jacking frame except the action that will control screed; Therefore, need very big top lift.Traditional big arm oil cylinder adds the power that feather valve generally gives big arm oil cylinder 30Kg; And big arm oil cylinder jacking frame needs the power about 10t; Traditional big arm oil cylinder adds feather valve and can not satisfy job requirement far away; This just needs big arm oil cylinder to promote the roof pressure valve, supports big arm oil cylinder to accomplish the jacking operation of frame.
In technique scheme, preferably, it is plate valve or cartridge valve that said big arm oil cylinder promotes the roof pressure valve.
In technique scheme, preferably, said big arm oil cylinder locking structure comprises hydraulic lock.Safety when hydraulic lock can guarantee the work of big arm oil cylinder prevents that frame is because of big arm oil cylinder withdrawal generation security incident.
In technique scheme, preferably, said big arm oil cylinder locking structure comprises mechanical locking structure.
In technique scheme, preferably, said big arm is a plow-shape.The big arm of plow-shape can be avoided the dismounting path of trailing wheel well; Can carry out dismounting after making trailing wheel break away from ground; Do not safeguard again after need be as traditional wheel-type spreading machine big arm and screed being unloaded and keep in repair, greatly improved maintenance efficiency, shorten maintenance time; On the other hand, the big arm of plow-shape has very highland tensile property, and the form that can under the pulling force of big arm oil cylinder, be kept perfectly can not occur bending and deformation.
In technique scheme, preferably, also comprise the support member that supports said screed.
In technique scheme, preferably, said support member is a sleeper.
Sleeper can protect screed to avoid the scuffing of ground stone, grit, prolongs the application life of screed, and sleeper can also cushion the roof pressure power of big arm oil cylinder to screed simultaneously, prevents screed distortion under big pressure.
In technique scheme, preferably, the first round and second that said front-wheel is set up in parallel before and after comprising takes turns, and said second takes turns the fulcrum when rotating as frame successively with the said first round.
Because in existing wheel-type spreading machine; The two row's steamboats that are provided with before and after general front-wheel comprises; Because rack chassis has certain height apart from ground, therefore begin to rotate when rising in the rear end of frame, the steamboat nearer apart from the rear end rotates the fulcrum that rises as frame earlier; Along with the continuous rotation of frame raises, be rotated further the fulcrum when rising as frame apart from the nearer steamboat of frame front end; In this process, the fulcrum in the time of also might needing two row's steamboats to rotate as frame simultaneously.
The utility model also provides a kind of wheel-type spreading machine, comprises above-mentioned arbitrary described wheel-type spreading machine lifting gear.
The wheel-type spreading machine lifting gear and the wheel-type spreading machine that provide through the utility model; Utilize wheel-type spreading machine self structure characteristics; Need not the aid of additional complexity, fully by the power of big arm oil cylinder with frame jack-up, carry out the dismounting maintenance of tire, reductor, motor; Big arm adopts " plough " shape structure, when the jack-up frame, be positioned at trailing wheel above, make things convenient for the dismounting of trailing wheel, can not interfere with the withdrawal space of trailing wheel; Utilize hydraulic lock to pin big arm oil cylinder during dismounting, guaranteed work safety, avoid potential safety hazard, the technical scheme that the utility model provides, simple, and reliable operation, improved the dismounting efficient of wheel-type spreading machine trailing wheel effectively.
Description of drawings
Fig. 1 is the structural representation of wheel-type spreading machine in the prior art;
Fig. 2 is the structural representation according to the said wheel-type spreading machine lifting gear of the utility model;
Fig. 3 is the mechanical model sketch map of structure shown in Fig. 2;
Fig. 4 is the hydraulic control schematic diagram of structure shown in Fig. 2.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 4:
11 first round 12 second of 1 front-wheel take turns
The big arm oil cylinder in 2 frames, 3 big arm oil cylinder 31 right big arm oil cylinder 32 left sides
4 screeds, 5 big arm 6 sleepers 7 trailing wheels
8 big arm oil cylinders promote roof pressure valve 9 hydraulic lock 10 levelling oil cylinders
100 hydraulic pumps, 101 overflow valves, 102 oil sources valves, 106 big arms add feather valve
107 reducing valve, 108 right anti-creep valve group 109 left anti-creep valve groups
110 hydraulic valve blocks
The specific embodiment
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
A lot of details have been set forth in the following description so that make much of the utility model; But; The utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following disclosed specific embodiment.
Embodiment one:
Please refer to Fig. 2, Fig. 3 and Fig. 4, wherein, Fig. 2 is the structural representation according to the said wheel-type spreading machine lifting gear of the utility model, and Fig. 3 is the mechanical model sketch map of structure shown in Fig. 2, and Fig. 4 is the hydraulic control schematic diagram of structure shown in Fig. 2.
Extremely shown in Figure 4 like Fig. 2; The utility model provides a kind of wheel-type spreading machine lifting gear; Comprise front-wheel 1 as fulcrum, as the frame 2 of beam, be located at the big arm oil cylinder 3 of said frame 2 rear ends and support the screed 4 of said big arm oil cylinder 3; Said screed 4 is connected to frame 2 through big arm 5; One end of said big arm oil cylinder 3 is connected to said frame 2 rear portions, and the other end is connected to said screed 4, and said big arm oil cylinder 3 promotes said frame 2 and rotates rise around said front-wheel 1 under the support of said screed 4.
The technical scheme that the utility model provides; Utilize wheel-type spreading machine self structure characteristics; Come jacking frame 2 by front-wheel 1, big arm 5, big arm oil cylinder 3, screed 4 and sleeper 6, trailing wheel 7 is lifted and breaks away from ground, carry out removing and installing of tire, reductor, driving motors.In order to ensure dismounting safety, big arm oil cylinder 3 adopts the block of valve to live after the jacking, improved the safety of dismounting operation, and this scheme has simple and reliable characteristics.
As shown in Figure 1, in existing wheel-type spreading machine, because the jack-up of frame is realized by extraneous aid; Like hydraulic jack or other the device of slinging; First arm 51 be shaped as straight-bar, and an end of first arm 51 is hinged on the frame, and by levelling oil cylinder 10 adjusting positions; The other end of first arm 51 connects screed, and screed obtains suitable working depth under the effect of levelling oil cylinder 51 and big arm oil cylinder.
Because first arm 51 is installed in the side of trailing wheel 7, thus even if adopt extraneous aid, also need earlier first arm 51 and screed to be unloaded down with frame jack-up, so that be the dismounting vacating space of trailing wheel 7, otherwise the dismounting of trailing wheel 7 will be inconvenience.So just increased mounting-dismounting programme, big arm and screed are dismantled and installed to the waste great amount of time, and this has brought potential safety hazard also for the dismounting operation simultaneously.
Among Fig. 1, the Roof of vehicle of finger, arrow a place bit representation wheel-type spreading machine can fold to be packed up.
The jack-up that this structure needs extraneous aid to realize frame; Because jack-up instrument and the loose contact of frame or the potential faults of jack-up instrument itself are made troubles to safety in production, the method for this auxiliary jack-up is also more time-consuming simultaneously; It is very inconvenient to operate, and safety is lower.
In order to solve this problem that exists in the prior art; The utility model provides a kind of wheel-type spreading machine lifting gear, and the structure of wheel-type spreading machine is improved, and has realized utilizing the design feature of wheel-type spreading machine self; Carry out the jack-up of frame, make things convenient for the dismounting of trailing wheel 7.
Adopt the big arm 5 of " plough " shape during the utility model design, giving oil cylinder 10 withdrawals for change, when big arm oil cylinder 3 stretches out fully; The big arm 5 of plow-shape is above trailing wheel 7; Big arm oil cylinder 3 jack-up frames 2, the dismounting of trailing wheel 7, reductor, driving motors is carried out on trailing wheel 7 disengaging ground.
Fig. 2 is the sketch map that the scheme using the utility model and provide is carried out the wheel-type spreading machine lifting.
As shown in Figure 2; Present embodiment utilizes wheel-type spreading machine self structure characteristics, comes jacking frame 2 by front-wheel 1, big arm 5, big arm oil cylinder 3, screed 4 and sleeper 6, give oil cylinder 10 withdrawals for change, when big arm oil cylinder 3 stretches out fully; Big arm 5 is positioned at trailing wheel 7 tops; Big arm oil cylinder 3 jack-up frames 2, trailing wheel 7 disengaging ground, this is to carry out removing and installing of tire, reductor, driving motors.Because big arm 5 is a plow-shape, so the dismounting of trailing wheel 7 is easier than the prior art scheme.
Present embodiment is for first place improvement of existing paver: said big arm 5 is plow-shape.
The structure of plow-shape can make big arm 5 walk around trailing wheel 7 on the one hand; Like this; Big arm 5 just can not have influence on the dismounting of trailing wheel 7, makes trailing wheel 7 be exposed to the outside, for the dismounting of trailing wheel 7 has stayed very big working space; Avoid the workload that need big arm 5 and screed 4 be pulled down, improved the dismounting and the maintenance efficiency of wheel-type spreading machine;
On the other hand, the plow-shape structure can also improve the tensile property of big arm 5, and the form that can under the pulling force of big arm oil cylinder 3, be kept perfectly can not occur bending and deformation.
In the wheel-type spreading machine of reality, the first round 11 and second that front-wheel 1 is set up in parallel before and after generally comprising takes turns 12, said second take turns 12 with the said first round 11 fulcrum during successively as frame 2 rotations.
Because in existing wheel-type spreading machine; The two row's steamboats that are provided with before and after general front-wheel 1 comprises; Therefore and there is certain height on the chassis of frame 2 far from ground, begins in the rear end of frame 2 to rotate when rising, and nearer second takes turns 12 and rotate the fulcrum that rises as frame 2 earlier apart from the rear end;
Along with the continuous rotation rising of frame 2, the fulcrum when being rotated further rise as frame 2 apart from the nearer first round 11 of frame 2 front ends; In this process, the fulcrum in the time of also might needing two row's steamboats to rotate as frame 2 simultaneously.
As shown in Figure 3, the mechanical model sketch map of the described wheel-type spreading machine lifting gear of the utility model, front-wheel 1 is as a fulcrum; The frame 2 of wheel-type spreading machine is as crossbeam, and an end of the big arm 5 of plow-shape is hinged to frame 2, and can be by 10 controls of levelling oil cylinder; The adjustment operating position, the other end of the big arm 5 of plow-shape is connected to screed 4, and the rear end of frame 2 also is provided with trailing wheel 7; Crossbeam (being frame 2) rotates around fulcrum (being front-wheel 1) under the castering action of big arm oil cylinder 3, makes trailing wheel 7 unsettled (disengaging ground); The dismounting of trailing wheel 7 be can carry out, reductor and driving motors keeped in repair or safeguard.
Big arm oil cylinder 3 is supported by screed 4; One end of big arm oil cylinder 3 is when promoting crossbeam (being frame 2); The other end is also wanted roof pressure screed 4, and screed 4 is connected to frame 2 through the big arm 5 of plow-shape again, because the plow-shape structure of big arm 5; Make big arm oil cylinder 3 when roof pressure screed 4, what big arm 5 can not interfered trailing wheel 7 mentions and breaks away from ground.
In order to protect screed 4 not receive the scuffing and the crimp on ground, be lined with sleeper 64 times at screed, the thickness of sleeper 6 and area can be adjusted according to the area of screed, and sleeper 6 can be one, also can be that the several piece sleeper is spliced.
Sleeper 6 can protect screed 4 to avoid the scuffing of ground stone, grit, prolongs the application life of screed 4, and sleeper 6 can also cushion the roof pressure power of 3 pairs of screeds 4 of big arm oil cylinder simultaneously, prevents screed 4 distortion under big pressure.
This design use wheel-type spreading machine self structure characteristics; Come the jacking frame by front-wheel 1, big arm 5, big arm oil cylinder 3, screed 4 and sleeper 6; In 10 withdrawals of levelling oil cylinder, when big arm oil cylinder 3 stretches out fully; Make trailing wheel 7 disengaging ground, can carry out the dismounting of trailing wheel 7, reductor, driving motors.
Introduce the hydraulic control system of the described wheel-type spreading machine lifting gear of the utility model below in conjunction with Fig. 4.
As shown in Figure 4, hydraulic pump 100 oil suctions in the fuel tank 300, and hydraulic oil pumped into hydraulic valve block 110, this moment oil sources valve 102 electric, it is electricly the next that big arm oil cylinder promotes roof pressure valve 8, a left side is anti-fall valve group 120 electric, the right anti-valve group 121 of falling.
Hydraulic oil promotes roof pressure valve 8, hydraulic lock 9, screed anti-creep valve group (comprising left anti-creep valve group 109 and right anti-creep valve group 108) through hydraulic valve block 110, big arm oil cylinder; Get into big arm oil cylinder 3 rodless cavity of (comprising big arm oil cylinder 32 in a left side and right big arm oil cylinder 31); The piston rod of big arm oil cylinder 3 all stretches out; By screed 4 jack-up frames 2, and then make trailing wheel 7 disengaging ground.
When trailing wheel 7 disengaging ground to correct positions, all get electric valve dead electricity, and hydraulic lock 9 is pinned big arm oil cylinder 3, prevent that big arm oil cylinder withdrawal from causing danger.
In the process that the piston rod of big arm oil cylinder 3 stretches out, the oil of big arm oil cylinder 3 rodless cavities is through anti-valve group (comprising anti-valve group 120 and the right anti-valve group 121 of falling of falling in a left side) oil sump tank that falls.
In traditional wheel-type spreading machine; In order to satisfy the job requirement of screed 4; Need 3 pairs of screeds 4 of big arm oil cylinder to apply certain pressure, therefore the road surface that its ironing is paved just has the big arm oil cylinder of control screed 4 actions to add feather valve 106 in existing paver; It perhaps unloads for big arm oil cylinder 3 certain pressure through reducing valve 107, make screed 4 operate as normal.
In the scheme that the utility model provides, big arm oil cylinder 3 is also wanted jacking frame 2 except the action that will control screed 4, therefore, needs very big top lift.
Traditional big arm oil cylinder adds the power that feather valve 106 generally gives big arm oil cylinder 30Kg; And big arm oil cylinder 3 jacking frames 2 need the power about 10t; Traditional big arm oil cylinder adds feather valve 106 and can not satisfy job requirement far away; This just needs big arm oil cylinder to promote roof pressure valve 8, supports big arm oil cylinder to accomplish the jacking operation of frame.
Said big arm oil cylinder promotes between roof pressure valve 8 and the said big arm oil cylinder 3 and is provided with hydraulic lock 9.Safety when hydraulic lock 9 can guarantee 3 work of big arm oil cylinder prevents that frame 2 is because of big arm oil cylinder 3 withdrawal generation security incidents.
Certainly, can also adopt mechanical locking structure to come the big arm oil cylinder 3 of locking.Like the cooperation of latch, when big arm oil cylinder 3 extend out to a certain position, adopt the cooperation of latch that big arm oil cylinder 3 is fixed to this position, prevent that the withdrawal of big arm oil cylinder 3 from bring threat for maintenance personal's safety.
Further, said big arm oil cylinder lifting roof pressure valve 8 can also be plate valve or cartridge valve.
Embodiment two:
The utility model also provides a kind of wheel-type spreading machine, comprises the wheel-type spreading machine lifting gear described in the embodiment one.
The wheel-type spreading machine lifting gear and the wheel-type spreading machine that provide through the utility model; Utilize wheel-type spreading machine self structure characteristics; Need not the aid of additional complexity, fully by the power of big arm oil cylinder with frame jack-up, carry out the dismounting maintenance of tire, reductor, motor; Big arm adopts " plough " shape structure, when the jack-up frame, be positioned at trailing wheel above, make things convenient for the dismounting of trailing wheel, can not hinder the lifting of frame; Utilize hydraulic lock to pin big arm oil cylinder during dismounting, guaranteed work safety, avoid potential safety hazard, the technical scheme that the utility model provides, simple, and reliable operation, improved the dismounting efficient of wheel-type spreading machine trailing wheel effectively.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. wheel-type spreading machine lifting gear; It is characterized in that; Comprise front-wheel (1), frame (2), the big arm oil cylinder (3) of being located at said frame (2) rear end, the screed (4) of the said big arm oil cylinder of support (3) and the lifting oil circuit of the said big arm oil cylinder of control (3) as beam as fulcrum
One end of big arm (5) is hinged on the said frame (2) between said front-wheel (1) and the trailing wheel (7), and the other end of said big arm (5) is walked around said trailing wheel (7) and is connected to said screed (4),
One end of said big arm oil cylinder (3) is connected to said frame (2) rear end, and the other end of said big arm oil cylinder (3) is connected to said screed (4),
Said big arm oil cylinder (3) said screed of roof pressure (4) downwards under the effect of said lifting oil circuit, driving said frame (2) simultaneously is that fulcrum rotates with said front-wheel (1), makes said trailing wheel (7) unsettled.
2. paver lifting gear according to claim 1; It is characterized in that said lifting oil circuit comprises that the big arm oil cylinder of the lifting roof pressure power that can control said big arm oil cylinder (3) promotes roof pressure valve (8) and is arranged at the big arm oil cylinder locking structure between said big arm oil cylinder lifting roof pressure valve (8) and the said big arm oil cylinder (3).
3. paver lifting gear according to claim 2 is characterized in that, it is plate valve or cartridge valve that said big arm oil cylinder promotes roof pressure valve (8).
4. paver lifting gear according to claim 2 is characterized in that, said big arm oil cylinder locking structure comprises hydraulic lock (9).
5. paver lifting gear according to claim 2 is characterized in that, said big arm oil cylinder locking structure comprises mechanical locking structure.
6. according to arbitrary described wheel-type spreading machine lifting gear in the claim 1 to 5, it is characterized in that said big arm (5) is a plow-shape.
7. wheel-type spreading machine lifting gear according to claim 6 is characterized in that, also comprises the support member that supports said screed (4).
8. wheel-type spreading machine lifting gear according to claim 7 is characterized in that, said support member is sleeper (6).
9. wheel-type spreading machine lifting gear according to claim 8; It is characterized in that; The first round (11) and second that said front-wheel (1) is set up in parallel before and after comprising is taken turns (12), and said second takes turns (12) and the said first round (11) fulcrum when rotating as frame (2) successively.
10. a wheel-type spreading machine is characterized in that, comprises like arbitrary described wheel-type spreading machine lifting gear in the claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200609425U CN202440745U (en) | 2012-02-23 | 2012-02-23 | Wheel type paver lifting device and wheel type paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200609425U CN202440745U (en) | 2012-02-23 | 2012-02-23 | Wheel type paver lifting device and wheel type paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202440745U true CN202440745U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200609425U Expired - Fee Related CN202440745U (en) | 2012-02-23 | 2012-02-23 | Wheel type paver lifting device and wheel type paver |
Country Status (1)
| Country | Link |
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| CN (1) | CN202440745U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255698A (en) * | 2013-04-17 | 2013-08-21 | 广西柳工机械股份有限公司 | Anti-slipping front wheel driving control system for tire type paver |
| CN103498405A (en) * | 2013-10-17 | 2014-01-08 | 中联重科股份有限公司 | Paver |
| CN108120576A (en) * | 2017-12-27 | 2018-06-05 | 长安大学 | One kind paves machine detecting device |
| CN109914203A (en) * | 2017-12-13 | 2019-06-21 | 约瑟夫福格勒公司 | The adjusting of cylinder setting is leveled in road-finishing machine |
| CN115852781A (en) * | 2022-11-29 | 2023-03-28 | 河海大学 | Screed lifting device of paver |
-
2012
- 2012-02-23 CN CN2012200609425U patent/CN202440745U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255698A (en) * | 2013-04-17 | 2013-08-21 | 广西柳工机械股份有限公司 | Anti-slipping front wheel driving control system for tire type paver |
| CN103255698B (en) * | 2013-04-17 | 2015-10-28 | 广西柳工机械股份有限公司 | For the front-wheel drive control system of rubber-tyred paver anti-slip |
| CN103498405A (en) * | 2013-10-17 | 2014-01-08 | 中联重科股份有限公司 | Paver |
| CN109914203A (en) * | 2017-12-13 | 2019-06-21 | 约瑟夫福格勒公司 | The adjusting of cylinder setting is leveled in road-finishing machine |
| US11060249B2 (en) | 2017-12-13 | 2021-07-13 | Joseph Voegele Ag | Adjustment of the leveling cylinder setting in a road finisher |
| CN108120576A (en) * | 2017-12-27 | 2018-06-05 | 长安大学 | One kind paves machine detecting device |
| CN108120576B (en) * | 2017-12-27 | 2024-04-09 | 西安石油大学 | Paver detection apparatus |
| CN115852781A (en) * | 2022-11-29 | 2023-03-28 | 河海大学 | Screed lifting device of paver |
| CN115852781B (en) * | 2022-11-29 | 2023-12-22 | 河海大学 | Screed lifting device of paver |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20150223 |
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| EXPY | Termination of patent right or utility model |