CN111667732A - Teaching and practical training equipment for paver - Google Patents
Teaching and practical training equipment for paver Download PDFInfo
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- CN111667732A CN111667732A CN202010549913.4A CN202010549913A CN111667732A CN 111667732 A CN111667732 A CN 111667732A CN 202010549913 A CN202010549913 A CN 202010549913A CN 111667732 A CN111667732 A CN 111667732A
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000010409 ironing Methods 0.000 claims description 33
- 230000001360 synchronised effect Effects 0.000 claims description 21
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Road Paving Machines (AREA)
Abstract
The application provides real equipment of instructing of paver teaching includes: fixed platform and setting up scraper conveyor collecting hopper unit, distributing device unit, screed on fixed platform and transfer camber device, hydraulic motor track conveying unit, levelling mechanism is located the screed and transfers the rear of camber device, levelling mechanism transfers the camber device to link together through two paver armlets and screed, conveyer belt collecting hopper unit is located hydraulic motor track conveying unit's rear, the distributing device unit is located levelling mechanism. This application has compensatied paver real standard teaching equipment blank, and convenient to use.
Description
Technical Field
The invention relates to a practical training teaching device, in particular to a practical training teaching device for a paver.
Background
In the course of teaching in colleges and universities, the theory of the teaching process is combined with practice, the participation learning of students is emphasized, specific work tasks are completed by simulating the actual working environment in the practical teaching, the manual operation capability of the students is improved comprehensively, the students are enabled to experience the working process, and the understanding of the operational skills and skills is an important platform for training the students to master scientific methods and improve the manual operation capability. In summary, how to improve the above problems is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a paver teaching practical training device, which solves the problem of blank practical training teaching devices.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a real standard equipment of paver teaching, includes: fixed platform and setting up scraper conveyor collecting hopper unit, distributing device unit, screed on fixed platform and transfer camber device, hydraulic motor track conveying unit, levelling mechanism is located the screed and transfers the rear of camber device, levelling mechanism transfers the camber device to link together through two paver armlets and screed, conveyer belt collecting hopper unit is located hydraulic motor track conveying unit's rear, the distributing device unit is located levelling mechanism.
Furthermore, the scraper conveyor collecting hopper unit comprises a base, two hopper baffles and a conveying belt device, wherein the two hopper baffles are pivoted on the base and controlled to be opened and folded by corresponding rocker arm swing oil cylinders, the conveying belt device is positioned between the two hopper baffles and comprises a driving shaft, a driven roller and an annular conveying belt, the driving shaft, the driven roller and the annular conveying belt are pivoted on the base, the annular conveying belt is wound around and arranged on the driving shaft and the driven roller, a first motor drives the driving shaft to rotate through a synchronizing wheel device, and the annular conveying belt is enabled to generate continuous motion by means of friction force between the annular conveying belt and the driven roller.
Furthermore, the first motor is fixed on the motor base of the base, a first synchronizing wheel is connected to a motor shaft of the first motor, another first synchronizing wheel is installed on the driving shaft, a first synchronizing belt is wound on the two first synchronizing wheels, and two ends of the driving shaft are connected with the tensioning bearing base with the adjustable position, and the base is provided with a first connecting portion and a second connecting portion.
Further, the distributing device unit includes the dabber and sets up epaxial levogyration auger, dextrorotation auger are in the dabber is fixed on fixed platform by two end bearing supporting seats and intermediate bearing supporting seat, and the power of second motor output passes through synchronous pulley mechanism and transmits for the dabber, and the material that paves that annular conveyer belt sent when levogyration auger and dextrorotation auger rotate evenly spreads out.
Furthermore, the ironing plate camber adjusting device comprises a left ironing plate device and a right ironing plate device which are hinged together, and a camber adjusting device is connected between the top of the left ironing plate device and the top of the right ironing plate device.
Furthermore, the camber adjusting device is composed of two first ball head rod end joint bearings, two nuts and a spiral sleeve, the first ball head rod end joint bearings are pivoted with the ironing plate device on the corresponding side, two ends of the spiral sleeve are respectively connected with the thread sections of the corresponding first ball head rod end joint bearings, the nuts are arranged on the corresponding thread sections, and the nuts are abutted against the end face of the spiral sleeve.
Furthermore, the left ironing plate device comprises an ironing frame, a left ironing plate and a vibrating frame which are arranged on the ironing frame in a lifting sliding mode, and a vibrating beam and an eccentric shaft which are pivoted on the ironing frame, wherein a left speed reducing motor fixedly arranged on the ironing frame drives the vibrating beam and the eccentric shaft to rotate simultaneously through a synchronous belt transmission mechanism, a fisheye rod end joint bearing is connected to the middle position of the vibrating beam, a second ball rod end joint bearing is connected to the middle position of the vibrating frame, the fisheye rod end joint bearing is fixedly connected with the second ball rod end joint bearing, the middle position of the eccentric shaft is connected with the left ironing plate through the second ball rod end joint bearing, and the vibrating beam is formed by connecting a plurality of sections of crankshafts.
Further, hydraulic motor track conveying unit includes that mounting bracket, two hydraulic motor, setting are in the track on the chain transport mechanism is established to two sets of chain transport mechanism and the cover of mounting bracket both sides, hydraulic motor passes through chain transport mechanism and drives the track motion that corresponds.
Further, leveling mechanism includes four rocking arm swing hydro-cylinders, rocking arm swing hydro-cylinder is installed through the hydro-cylinder supporting seat that corresponds on the fixed platform, lie in two rocking arm swing hydro-cylinders with one side and be connected with the big arm of paver that corresponds, and two big arms of paver pass through paver leveling crossbeam fixed connection together, the distributing device unit is located between two big arms of paver.
According to the technical scheme, the invention has the following beneficial effects: the camber adjusting device of the screed is combined with the leveling mechanism to realize camber adjustment of the practical training teaching equipment of the paver, the leveling mechanism can control the working elevation angle of the screed, the size of the elevation angle is determined by the stretching of the oil cylinder, and the adjustment of the working elevation angle of the screed is realized. After the scraper conveyor collecting hopper unit is connected with a circuit, the rocker arm swing hydraulic cylinder can do telescopic motion so as to drive the hopper baffle to open and fold, when the scraper conveyor collecting hopper unit is used, each module can be operated independently, the rocker arm swing hydraulic cylinder can also be operated in a combined mode, equipment can be installed and debugged according to different practical training requirements, the targets of simulated operation and learning are achieved, and the scraper conveyor collecting hopper unit is suitable for various teaching targets.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a collecting hopper unit of the flight conveyor according to the present invention.
Fig. 3 is a schematic perspective view of the conveyor belt device of the present invention.
Fig. 4 is a schematic perspective view of the distributor unit of the present invention.
Fig. 5 is a schematic perspective view of the inside of the distributor unit of the present invention.
Fig. 6 is a schematic perspective view of the device for adjusting the camber of the screed according to the present invention.
Fig. 7 is a schematic perspective view of the left screed apparatus according to the present invention.
Fig. 8 is a perspective view of the hydraulic motor track conveyor unit of the present invention.
Fig. 9 is a schematic perspective view of the leveling mechanism of the present invention.
Description of reference numerals: the device comprises a scraper conveyor collecting hopper unit 1, a hopper baffle plate 11, a conveying belt device 12, an annular conveying belt 121, a driven roller 122, a tensioning bearing seat 123, a first synchronous wheel 124, a first synchronous belt 125, a motor seat 126, a first motor 127, a driving shaft 128, a height support plate 13, a cross column 15, a rotating shaft 16, a rocker arm swing oil cylinder connecting seat 17, a rocker arm swing oil cylinder 18, a joint bearing 19, a distributor unit 2, a second motor 21, a left-handed auger 22, a right-handed auger 23, an end bearing supporting seat 24, a middle bearing supporting seat 25, a deep groove ball bearing 26, a second synchronous wheel 27, a second synchronous belt 28, an ironing plate camber adjusting device 3, a left synchronous ironing plate device 31, an eccentric shaft 310, a left ironing plate 311, a square shaft bearing seat 312, a vibrating frame 313, a second ball head rod end joint bearing 314, a fish head rod end joint bearing 315, a vibrating beam 316, a left synchronous wheel 317, a left synchronous, The device comprises a left speed reducing motor 319, a right screed plate device 32, a first ball head rod end joint bearing 34, a nut 35, a spiral sleeve 36, a hydraulic motor track conveying unit 4, a hydraulic motor supporting seat 41, a hydraulic motor 42, a chain conveying mechanism 43, a track 44, an upper cover plate 45, a leveling mechanism 5, an oil cylinder supporting seat 51, a paver large arm 52, a paver leveling beam 53 and a rocker arm swing oil cylinder 54.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As further described with reference to fig. 1 to 9, the teaching training device for a paver shown in fig. 1 includes: fixed platform and set up scraper conveyor collecting hopper unit 1, distributing device unit 2, screed on fixed platform and transfer camber device 3, hydraulic motor track conveying unit 4, levelling mechanism 5 is located the screed and transfers camber device 3's rear, levelling mechanism 5 transfers camber device 3 through two paver booms 52 and screed and links together, conveyer belt collecting hopper unit 1 is located the rear of hydraulic motor track conveying unit 4, distributing device unit 2 is located levelling mechanism 5, and when using, this paver is placed on real standard table.
As shown in fig. 2 and 3, the scraper conveyor collecting hopper unit 1 comprises a base, two hopper baffles 11 pivoted on the base and controlled to open and close by corresponding rocker arm swing cylinders 18, and a conveyor belt device 12 located between the two hopper baffles 11, wherein the conveyor belt device 12 comprises a driving shaft 128 pivoted on the base, a driven roller 122 and an endless conveyor belt 121, the endless conveyor belt 121 is wound around and mounted on the driving shaft 128 and the driven roller 122, a first motor 127 drives the driving shaft 128 to rotate through a synchronizing wheel device, the endless conveyor belt 121 generates continuous motion by virtue of friction between the endless conveyor belt 121 and the driven roller 122, wherein the first motor 127 is fixed on a motor base 126 of the base, a first synchronizing wheel 124 is connected to a motor shaft of the first motor 127, and another first synchronizing wheel 124 is mounted on the driving shaft 128, the first synchronous belt 125 is wound around two first synchronous wheels 124, and both ends of the driving shaft 128 are connected to tensioning bearing seats 123 which are provided on the base and whose positions are adjustable.
The base is composed of a top plate, a bottom plate and four height supporting plates 13 fixedly connected between the top plate and the bottom plate, the conveying belt device 12 and the hopper baffle plate 11 are both arranged on the top plate, one end of the rocker arm swing oil cylinder 18 connected with the base is pivoted on a corresponding rocker arm swing oil cylinder connecting seat 17 on the bottom plate through a rotating shaft 16, and one end of the rocker arm swing oil cylinder 18 connected with the hopper baffle plate 11 is connected with the hopper baffle plate 11 through a joint bearing 19; the conveyor belt device 12 comprises a frame connected with the top plate, the driving shaft 128, the driven roller 122 and the first motor 127 are all arranged on the frame, a T-shaped groove is formed in a cross column 15 of the frame, the tensioning bearing seat 123 can slide along the T-shaped groove to realize position adjustment of the tensioning bearing seat 123 and control the tensioning degree of the annular conveyor belt 121, wherein the first motor 127 is a lapping speed reduction motor.
As shown in fig. 4 and fig. 5, the distributor unit 2 comprises a mandrel and a left-handed auger 22 and a right-handed auger 23 which are arranged on the mandrel, the mandrel is fixed on a fixed platform by two end bearing supporting seats 24 and a middle bearing supporting seat 25, two deep groove ball bearings 26 are arranged on the middle bearing supporting seat 25, the inner ring of the deep groove ball bearings 26 is fixedly connected with the mandrel, the left-handed auger 22 and the right-handed auger 23 are respectively positioned at two sides of the middle bearing supporting seat 25, a second synchronous wheel 27 is respectively arranged on the mandrel and the middle bearing supporting seat 25, a synchronous belt mechanism is formed on the two second synchronous wheels 27 by sleeving the second synchronous belt 28, the power output by a second motor 21 which is fixedly arranged on the middle bearing supporting seat 25 is transmitted to the mandrel through the synchronous belt mechanism, the paving material which is sent by the annular conveying belt 121 when the left-handed auger 22 and the right-handed auger 23 rotate is, the second motor 21 is a fine grinding speed reduction motor, and the synchronous pulley mechanism can be replaced by a gear device.
As shown in fig. 6, the ironing board camber adjusting device 3 includes a left ironing board device 31 and a right ironing board device 32 hinged together, a camber adjusting device is connected between the top of the left ironing board device 31 and the top of the right ironing board device 32, wherein the camber adjusting device is composed of two first ball rod end joint bearings 34, two nuts 35, and a spiral sleeve 36, the first ball rod end joint bearings 34 are pivoted with the ironing board devices on the corresponding sides, two ends of the spiral sleeve 36 are respectively connected with the corresponding thread sections of the first ball rod end joint bearings 34, the nuts 35 are disposed on the corresponding thread sections, and the nuts 35 abut against the end surfaces of the spiral sleeve 36, when the camber of the ironing board camber adjusting device 3 needs to be changed, the ironing board can be adjusted only by rotating the spiral sleeve.
As shown in fig. 7, the left screed device 31 includes a screed frame, a left screed 311 and a vibrating frame 313 which are slidably and vertically disposed on the screed frame, and a vibrating beam 316 and an eccentric shaft 310 which are pivotally connected to the screed frame through four square bearing blocks 312, a left decelerating motor 319 fixedly disposed on the screed frame drives the vibrating beam 316 and the eccentric shaft 310 to rotate simultaneously through a synchronous belt transmission mechanism, a fisheye rod end joint bearing 315 is connected to a middle position of the vibrating beam 316, a second ball rod end joint bearing 314 is connected to a middle position of the vibrating frame 313, the fisheye rod end joint bearing 315 is fixedly connected to the second ball rod end joint bearing 314, a middle position of the eccentric shaft 310 is connected to the left screed 311 through the second ball rod end joint bearing 314, wherein the vibrating beam 316 is formed by connecting a plurality of crank shafts, the synchronous belt transmission mechanism includes three left synchronizing wheels 317, a left synchronizing wheel 317 is arranged on the vibrating beam 316, a left synchronizing wheel 317 is arranged on the eccentric shaft 310, a left synchronizing wheel 317 is arranged on an output shaft of the left speed reducing motor 319, the left synchronizing belt 318 is sleeved on the three left synchronizing wheels 317, and a motor bracket fixedly arranged on the ironing frame is provided with a groove-shaped hole for facilitating the position adjustment of the left speed reducing motor 319, so that the left synchronizing wheel 317 connected to the left speed reducing motor 319 is equivalent to a tensioning wheel to ensure that the tightness degree of the left synchronizing belt 318 reaches the optimal state.
When the device works, the eccentric shaft 310 drives the ironing plate to move up and down to perform preliminary compaction when mixture enters the lower surface of the ironing plate, and the vibrating beam 316 drives the vibrating frame 313 to move up and down to perform impact compaction on the mixture.
As shown in fig. 8, the hydraulic motor crawler belt conveying unit 4 includes an installation frame fixedly connected to the fixed platform, two hydraulic motors 42, two sets of chain conveying mechanisms 43, and a crawler belt 44 sleeved on the chain conveying mechanisms 43, the installation frame includes two side plates and an upper cover plate 45 fixedly connected to tops of the two side plates, the two hydraulic motors 42 are installed between the two side plates through corresponding hydraulic motor supporting seats 41, the chain conveying mechanisms 43 are located at outer sides of the corresponding side plates, and the hydraulic motors 42 drive the corresponding crawler belt 44 to move through the chain conveying mechanisms 43, so as to independently drive the crawler belt 44.
As shown in fig. 9, the leveling mechanism 5 includes four rocker arm swing cylinders 54, the rocker arm swing cylinders 54 are mounted on the fixed platform through corresponding cylinder support seats 51, two rocker arm swing cylinders 54 located on the same side are connected with corresponding large arms 52 of the paver, and the two spreader big arms 52 are fixedly connected together through the spreader leveling beam 53, the spreader unit 2 is positioned between the two spreader big arms 52, when the rocker arm swing oil cylinder 54 is filled with hydraulic oil, the rocker arm swing oil cylinder 54 can stretch and contract to drive the large arm 52 of the paver to move back and forth, the leveling cross beam 53 of the paver is used for ensuring the movement consistency of the large arms 52 of the paver on the left side and the right side, the large arms 52 of the paver are connected with the camber adjusting device 3 of the screed, and the ironing plate camber adjusting device 3 moves, thereby changing the elevation angle of the ironing plate.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a real standard equipment of paver teaching which characterized in that includes: fixed platform and setting up scraper conveyor collecting hopper unit (1), distributing device unit (2), screed on fixed platform transfer camber device (3), hydraulic motor track transport unit (4), levelling mechanism (5) are located the screed and transfer the rear of camber device (3), levelling mechanism (5) are transferred camber device (3) through two paver armlets (52) and screed and are linked together, conveyer belt collecting hopper unit (1) is located the rear of hydraulic motor track transport unit (4), distributing device unit (2) are located levelling mechanism (5).
2. The practical training equipment for paver teaching according to claim 1, wherein the scraper conveyor hopper collection unit (1) comprises a base, two hopper baffles (11) pivoted on the base and controlled to open and close by corresponding rocker arm swing cylinders (18), and a conveyor belt device (12) located between the two hopper baffles (11), wherein the conveyor belt device (12) comprises a driving shaft (128) pivoted on the base, a driven roller (122) and an endless conveyor belt (121), the endless conveyor belt (121) bypasses and is mounted on the driving shaft (128) and the driven roller (122), the first motor (127) drives the driving shaft (128) to rotate through a synchronizing wheel device, and the endless conveyor belt (121) is enabled to generate continuous motion by virtue of friction force between the endless conveyor belt (121) and the driven roller (122).
3. The practical training equipment for paver teaching as claimed in claim 2, wherein the first motor (127) is fixed on a motor base (126) of the base, a first synchronizing wheel (124) is connected to a motor shaft of the first motor (127), another first synchronizing wheel (124) is installed on the driving shaft (128), a first synchronizing belt (125) is wound on the two first synchronizing wheels (124), and two ends of the driving shaft (128) are connected with the tensioning bearing base (123) which is arranged on the base and has an adjustable position.
4. The practical training equipment of paver teaching of claim 1, characterized in that, distributor unit (2) includes the dabber and sets up epaxial levogyration auger (22), dextrorotation auger (23) are in the dabber, the dabber is fixed on fixed platform by two end bearing supporting seats (24) and middle bearing supporting seat (25), and the power of second motor (21) output passes through synchronous pulley mechanism and transmits for the dabber, and the material that paves that annular conveyer belt (121) sent when levogyration auger (22) and dextrorotation auger (23) rotate evenly spreads out.
5. The paver teaching and training apparatus as claimed in claim 1, wherein the screed camber adjusting device (3) comprises a left screed device (31) and a right screed device (32) which are hinged together, and a camber adjusting device is connected between the top of the left screed device (31) and the top of the right screed device (32).
6. The practical training equipment for paver teaching according to claim 5, wherein the camber adjusting device is composed of two first ball head rod end joint bearings (34), two nuts (35) and a spiral sleeve (36), the first ball head rod end joint bearings (34) are pivoted with the screed plate devices on the corresponding sides, two ends of the spiral sleeve (36) are respectively connected with the thread sections of the corresponding first ball head rod end joint bearings (34), the nuts (35) are arranged on the corresponding thread sections, and the nuts (35) are abutted against the end faces of the spiral sleeve (36).
7. The practical training equipment for paver teaching according to claim 5, wherein the left screed device (31) comprises an ironing frame, a left screed (311) and a vibrating frame (313) which are arranged on the ironing frame in a lifting and sliding manner, and a vibrating beam (316) and an eccentric shaft (310) which are pivoted on the ironing frame, a left speed reducing motor (319) fixedly arranged on the ironing frame drives the vibrating beam (316) and the eccentric shaft (310) to rotate simultaneously through a synchronous belt transmission mechanism, a fisheye rod end joint bearing (315) is connected to the middle position of the vibrating beam (316), a second ball rod end joint bearing (314) is connected to the middle position of the vibrating frame (313), the fisheye rod end joint bearing (315) is fixedly connected to the second ball rod end joint bearing (314), and the middle position of the eccentric shaft (310) is connected to the left screed (311) through the second ball rod end joint bearing (314), wherein, the vibrating beam (316) is formed by connecting a plurality of sections of crankshafts.
8. The practical training equipment for paver teaching as claimed in claim 1, wherein the hydraulic motor crawler conveying unit (4) comprises an installation frame, two hydraulic motors (42), two groups of chain conveying mechanisms (43) arranged on two sides of the installation frame, and a crawler (44) sleeved on the chain conveying mechanisms (43), wherein the hydraulic motors (42) drive the corresponding crawler (44) to move through the chain conveying mechanisms (43).
9. The practical training equipment of paver teaching of claim 1, characterized in that leveling mechanism (5) includes four rocking arm swing cylinders (54), install rocking arm swing cylinder (54) through corresponding cylinder supporting seat (51) on the fixed platform, be located two rocking arm swing cylinders (54) of same side and be connected with the big arm of paver (52) that corresponds, and two big arms of paver (52) are in the same place through paver leveling crossbeam (53) fixed connection, cloth ware unit (2) are located between two big arms of paver (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549913.4A CN111667732A (en) | 2020-06-16 | 2020-06-16 | Teaching and practical training equipment for paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549913.4A CN111667732A (en) | 2020-06-16 | 2020-06-16 | Teaching and practical training equipment for paver |
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| Publication Number | Publication Date |
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| CN111667732A true CN111667732A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010549913.4A Pending CN111667732A (en) | 2020-06-16 | 2020-06-16 | Teaching and practical training equipment for paver |
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| CN108589691A (en) * | 2018-05-21 | 2018-09-28 | 四川新筑智能工程装备制造有限公司 | A kind of dam strong rammer paver for the dam bedding material that paves |
| CN110853442A (en) * | 2019-10-30 | 2020-02-28 | 深圳风向标教育资源股份有限公司 | Electro-hydraulic integrated comprehensive simulation training platform for paver |
| CN212570080U (en) * | 2020-06-16 | 2021-02-19 | 亚龙智能装备集团股份有限公司 | Teaching and practical training equipment for paver |
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