CN111395121A

CN111395121A - Telescopic screed plate assembly, screed plate device and paver

Info

Publication number: CN111395121A
Application number: CN202010345315.5A
Authority: CN
Inventors: 刘秋宝; 高贺朋; 黄立新
Original assignee: Hunan Sany Intelligent Control Equipment Co Ltd
Current assignee: Hunan Sany Intelligent Control Equipment Co Ltd; Sany Automobile Manufacturing Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-07-10

Abstract

The invention provides a telescopic screed plate assembly, a screed plate device and a paver. Wherein, flexible screed plate subassembly includes: the telescopic frame is arranged on at least one side of the ironing board device and can extend outwards or contract inwards relative to the ironing board device; the telescopic ironing plate is connected with the telescopic frame and can extend outwards or contract inwards along with the telescopic frame; the compaction mechanism is connected with the telescopic frame and is used for performing pre-compaction operation on the mixture; the driving mechanism comprises a driving motor and a battery assembly, the battery assembly is electrically connected with the driving motor to supply power to the driving motor, and the driving motor is in transmission connection with the compacting mechanism to drive the compacting mechanism to operate. According to the technical scheme, the connection and the internal structure of the telescopic ironing board assembly are simplified, the pulling of pipelines or cables can be prevented when the telescopic ironing board assembly performs telescopic motion, the space arrangement is favorably optimized, and the energy waste in the driving process is reduced.

Description

Telescopic screed plate assembly, screed plate device and paver

Technical Field

The invention relates to the technical field of screed plates, in particular to a telescopic screed plate assembly, a screed plate device and a paver.

Background

At present, a paver is one of common road building devices and is used for paving a mixture, and a screed device is arranged on the paver and is used for performing ironing operation on the mixture. The existing ironing plate device mostly adopts a telescopic ironing plate, and the telescopic ironing plate assemblies are additionally arranged on two sides of a main ironing plate so as to enlarge the coverage area of the ironing plate device. However, in the existing telescopic screed plate, the vibrating mechanism and the vibrating mechanism in the telescopic screed plate assembly are driven by a hydraulic system on the paver, or a generator of the paver supplies power to the motor to drive the vibrating mechanism and the vibrating mechanism to operate. Wherein, in the scheme through hydraulic system drive, need to set up the hydraulic pressure pipeline of a plurality of supply hydraulic oil, the pipe arrangement is comparatively mixed and disorderly, carries out the concertina movement formula at flexible ironing board subassembly, and hydraulic pressure pipeline need make a round trip to drag along with flexible part, causes mutual interference easily, and hydraulic pressure pipeline causes loss of pressure longer easily, and drive efficiency is not high. In the scheme of supplying power to the motor through the generator, the generator still needs to be connected with the motor on the ironing board through a cable, and the problems that the cable arrangement is complex and interference is easy to generate in the stretching process still exist.

Disclosure of Invention

The present invention is directed to improving at least one of the technical problems of the prior art or the related art.

To this end, it is an object of the present invention to provide a telescopic screed plate assembly.

Another object of the present invention is to provide a screed apparatus.

It is a further object of the present invention to provide a paving machine.

In order to achieve the above object, a first aspect of the present invention provides a retractable screed plate assembly for a screed plate apparatus, comprising: the telescopic frame is arranged on at least one side of the ironing board device and can extend outwards or contract inwards relative to the ironing board device; the telescopic ironing plate is connected with the telescopic frame and can extend outwards or contract inwards along with the telescopic frame; the compaction mechanism is connected with the telescopic frame and is used for performing pre-compaction operation on the mixture; the driving mechanism comprises a driving motor and a battery assembly, the battery assembly is electrically connected with the driving motor to supply power to the driving motor, and the driving motor is in transmission connection with the compacting mechanism to drive the compacting mechanism to operate.

According to a first aspect of the present disclosure, a retractable screed assembly for a screed apparatus includes a telescoping frame, a retractable screed, a compacting mechanism, and a drive mechanism. The telescopic frame is used as a supporting structure of the telescopic ironing board assembly and plays a role in supporting and connecting. The telescopic frame is arranged on at least one side of the screed device, and the telescopic frame can extend outwards or contract inwards relative to the screed device, wherein when the screed device is assembled on the paver, the telescopic frame is positioned on one side or two sides of the screed device in the width direction of the paver, so that the telescopic frame can perform telescopic motion in the width direction of the paver. The telescopic screed plate is used for ironing the mixture, is connected with the telescopic frame and can perform telescopic motion along with the telescopic frame, so that when the telescopic screed plate extends outwards relative to the screed plate device, the coverage range of the telescopic screed plate is enlarged, the whole width of the screed plate device is increased, and the improvement of the working efficiency of the paver is facilitated. The compaction mechanism is connected with the telescopic frame and used for performing pre-compaction operation on the mixture so as to improve the compaction degree of a road surface formed by the mixture and facilitate the rolling operation of the road roller in the subsequent construction link. The driving mechanism comprises a driving motor and a battery assembly which are electrically connected, the driving motor is in transmission connection with the compacting mechanism to drive the compacting mechanism to perform pre-compacting operation on the mixture, and the battery assembly is used for supplying power to the driving motor.

Flexible ironing board subassembly in this scheme, supply power to driving motor through setting up battery pack, replace hydraulic system or the generator through the paver to supply power to driving motor, thereby hydraulic pressure pipeline or cable have been reduced, when carrying out concertina movement at flexible ironing board subassembly, can prevent that hydraulic pressure pipeline or cable from dragging or the phenomenon of mutual interference from appearing, be favorable to simplifying arranging of connection relation and inner structure, the assembly and the maintenance of the compacting mechanism of being convenient for, simultaneously compacting mechanism need not to acquire power from the paver, the load of paver has been reduced, be favorable to reducing the energy waste among the power transmission process.

It can be understood that the compaction mechanism of the telescopic screed plate in the existing paver is mostly driven by a hydraulic system or a generator of the paver, the hydraulic system and the generator both need to obtain power through an engine of the paver, the engine with a large power model needs to be adopted, the problem of oil hydraulic pressure loss exists in the driving process of the hydraulic system, the matching requirement is high in the driving process of the generator, and the problems of low electric energy conversion rate and energy waste also exist. The problems can be effectively alleviated through the scheme.

In addition, the telescopic screed plate assembly in the above technical scheme provided by the invention may also have the following additional technical features:

in the above technical solution, a battery pack includes: at least one battery pack is detachably connected with the telescopic frame, and the battery pack is electrically connected with the driving motor to supply power to the driving motor.

In the technical scheme, the battery assembly comprises at least one battery pack, and the battery pack is electrically connected with the driving motor so as to supply power to the driving motor through the battery pack. The battery pack is detachably connected with the telescopic frame, so that the battery pack can be replaced and charged conveniently. For example, when the number of the battery packs is one, and the electric quantity of the battery packs is low, the battery packs with low electric quantity can be replaced by the battery packs with high electric quantity to continuously supply power to the driving motor.

In the above technical scheme, the number of the battery packs is a plurality of, each battery pack is electrically connected with the driving motor, and each battery pack can independently supply power to the driving motor.

In this technical scheme, the quantity of battery package is a plurality of, all is connected with driving motor electricity through setting up every battery package, and every battery package can supply power to driving motor alone for one of them battery package is when supplying power to driving motor, and other battery packages can regard as reserve battery package or charge, thereby through the switching between a plurality of battery packages, and it is long when the whole power supply of extension battery pack, so as to prevent to take place the electric quantity in the work progress and not enough and influence normal construction operation.

In the above technical scheme, the battery pack is provided with a charging interface for connecting a charging device.

In the technical scheme, the charging interface is arranged on the battery pack to be used for connecting the charging device, so that the battery pack can be charged without being disassembled, the charging operation flow is simplified, the workload is reduced, and the charging operation is more convenient and faster. The charging device can be an external charger or a charging pile, and can also be a generator of the paver.

In the above technical scheme, the telescopic frame is provided with the battery mounting structure, and the battery assembly is connected to the telescopic frame through the battery mounting structure.

In this technical scheme, through be equipped with battery mounting structure on telescopic frame for connect battery pack, make battery pack together carry out concertina movement along with telescopic frame, with stretch out or the inside shrink in-process along with telescopic frame at flexible screed, make being connected between battery pack and the driving motor not influenced, thereby reduce the cable length between battery pack and the driving motor, be favorable to further simplifying and connect.

In the above technical solution, the compacting mechanism includes: the vibrating mechanism is connected to the bottom of the telescopic frame and used for vibrating and pre-compacting the mixture; and the vibrating mechanism is connected to the bottom of the telescopic frame and used for vibrating and pre-compacting the mixture, wherein the driving motor is in transmission connection with the vibrating mechanism and the vibrating mechanism.

In the technical scheme, the compaction mechanism comprises a vibrating mechanism and a vibrating mechanism. The vibrating mechanism is connected to the bottom of the telescopic frame so as to vibrate and precompress the mixture through vibrating operation; the vibration mechanism is connected to the telescopic frame to vibrate and pre-compact the mixture through vibration. The mixture is pre-compacted by the vibrating mechanism and the vibrating mechanism, so that the road surface formed by the mixture has certain compaction degree, and the subsequent rolling operation of the road roller is facilitated. Through setting up driving motor and vibrating mechanism and being connected with the vibration mechanism transmission to provide drive power to vibrating mechanism and vibration mechanism, drive vibrating mechanism and vibration mechanism's operation, thereby utilize the form of battery pack to driving motor power supply, the pipeline and the cable of vibrating mechanism and vibration mechanism have been reduced, with outwards stretching out or the in-process that contracts inwards at flexible screed subassembly, prevent the phenomenon that pipeline and cable pulled, be favorable to optimizing the spatial arrangement of flexible screed subassembly.

In the technical scheme, the driving motor is a variable frequency motor; the driving mechanism further comprises a controller, the controller is electrically connected with the variable frequency motor, and the controller adjusts the vibration frequency of the vibration mechanism and the vibration frequency of the vibration mechanism by controlling the running state of the variable frequency motor.

In the technical scheme, the driving motor is limited to be the variable frequency motor, so that the vibration frequency of the vibration mechanism and the vibration frequency of the vibration mechanism can be adjusted through the variable frequency motor. Specifically, the driving mechanism further comprises a controller electrically connected with the variable frequency motor, and the controller can adjust the vibration frequency of the vibration mechanism and the vibration frequency of the vibration mechanism by controlling the running state of the variable frequency motor, for example, by changing the rotating speed of the driving motor, so as to obtain the suitable vibration frequency and vibration frequency according to different mixtures, thereby being suitable for different construction requirements.

The technical scheme of the second aspect of the invention provides a screed plate device for a paver, which comprises: the main body ironing board assembly is connected to the tail part of the paver; the two telescopic ironing board assemblies in any one of the first technical schemes are respectively connected to two sides of the main body ironing board assembly along the width direction of the paver, and each telescopic ironing board assembly can extend outwards or contract inwards along the width direction of the paver; and the heating device is connected with the telescopic ironing plate of the telescopic ironing plate assembly and is used for heating the telescopic ironing plate.

According to a second aspect of the invention, a screed apparatus comprises a main screed assembly, two telescopic screed assemblies according to any one of the first aspect, and a heating apparatus, the screed apparatus being for a paving machine. The main body screed plate assembly is used as a main body structure of the screed plate device and connected to the tail of the paver so as to carry out screed operation on a mixture in the running process of the paver and enable the pavement to be paved. The two telescopic screed plate assemblies are respectively connected to two sides of the main body screed plate assembly along the width direction of the paver, and each telescopic screed plate assembly can extend outwards or contract inwards along the width direction of the paver so as to enlarge the coverage range of the screed plate device when the telescopic screed plate assemblies are in the extending state, thereby improving the construction efficiency of the paver; after the construction is finished, the telescopic ironing plate is retracted inwards, so that the space occupied by the ironing plate device is reduced. The heating device is connected with the telescopic ironing plate of the telescopic ironing plate assembly, so that the telescopic ironing plate is heated, the mixture is heated through the telescopic ironing plate in the ironing operation process, and the mixture is ironed through the telescopic ironing plate. The driving motor of the telescopic ironing board assembly provides electric energy required by operation through the battery assembly, pipelines and cables required by the driving compaction mechanism are reduced, connection is simplified, and reasonable arrangement of space is facilitated. In addition, the screed apparatus in this scheme also has all the beneficial effects of the telescopic screed assembly of any one of the above-mentioned first aspect technical solutions, which are not described herein again.

In a third aspect of the present invention, a paving machine is provided, including: paving a locomotive body; as for the screed device in the second aspect of the present invention, the main screed assembly of the screed device is connected to the tail of the body of the paving machine, and the mixture is ironed by the main screed assembly and the retractable screed assembly of the screed device.

According to a third aspect of the invention, the paver comprises a paver body and the screed apparatus of the second aspect. The paver body is used for bearing the operation mechanism of the paver and driving the operation mechanism to run. The main body screed plate component in the screed plate device is connected to the tail part of the spreading machine body, so that under the driving of the spreading machine body, the mixture conveyed to a target operation area is ironed through the main body screed plate component and the telescopic screed plate component, and the mixture forms a new road surface. In addition, the paver in this scheme also has all the beneficial effects of the screed device in the technical scheme of the second aspect, which are not described herein again.

In the technical scheme, an engine and a generator are arranged in the paving machine body, the engine is in transmission connection with the generator to drive the generator to generate electricity, and a battery assembly in the screed plate device is electrically connected with the generator to charge the battery assembly through the generator; or the ironing board device is provided with an engine and a generator, the engine is in transmission connection with the generator to drive the generator to generate electricity, and the battery assembly is electrically connected with the generator to charge the battery assembly through the generator.

In the technical scheme, the engine and the generator are arranged in the spreading machine body, the engine is used for providing power required by the spreading machine body and the operation mechanism, and the engine is in transmission connection with the generator so as to drive the generator to generate power and provide electric energy required by the spreading machine body. The battery pack is electrically connected with the generator through the arrangement of the screed plate device, so that the battery pack can be charged through the generator, the vehicle-mounted charging of the battery pack is realized, the charging operation to a fixed charging place is not needed, and the construction efficiency of the paver is improved.

In another implementation mode of the scheme, an engine and a generator which are in transmission connection are arranged on the ironing board device, so that the generator is driven by the engine to generate electricity; the battery assembly is electrically connected with the generator so as to charge the battery assembly through the generator, and the vehicle-mounted charging of the battery assembly is realized. Wherein, battery pack need not to follow paver automobile body lead wire, has shortened the distance between battery pack and generator and the engine, can effectively reduce hydraulic pressure pipeline or cable to when flexible screed plate subassembly carries out concertina movement, prevent that hydraulic pressure pipeline or cable from dragging or the phenomenon of mutual interference from appearing. In addition, the engine and the generator arranged on the screed plate device only provide electric energy for the battery assembly, so that the engine and the generator with smaller models can be adopted, and the energy utilization efficiency is improved.

Particularly, under the condition that the battery assembly comprises a plurality of battery packs, the standby battery packs can be charged through the generator in the construction process of the paver, so that the construction preparation time is reduced, the influence of the charging process on the construction operation can be further reduced, and the construction efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a partial schematic view of a screed apparatus according to one embodiment of the present invention;

FIG. 2 shows an enlarged view of portion A of FIG. 1;

FIG. 3 illustrates a partial schematic view of a screed apparatus according to one embodiment of the present invention;

FIG. 4 shows a schematic view of a screed apparatus according to one embodiment of the present invention;

FIG. 5 illustrates a partial schematic view of a screed apparatus according to one embodiment of the present invention;

fig. 6 illustrates a schematic block diagram of a paving machine in accordance with one embodiment of the present disclosure;

fig. 7 illustrates a schematic block diagram of a paving machine in accordance with one embodiment of the present disclosure;

fig. 8 illustrates a schematic block diagram of a paving machine in accordance with one embodiment of the present disclosure.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 8 is as follows:

1 flexible screed plate subassembly, 11 telescopic frame, 12 flexible screed plates, 13 compacting mechanism, 131 vibrating mechanism, 132 vibrating mechanism, 14 actuating mechanism, 141 driving motor, 142 battery pack, 2 screed plate devices, 21 main part screed plate subassembly, 3 paver, 31 paver automobile body, 32 engine, 33 generator.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Referring now to fig. 1-8, a telescoping screed plate assembly, screed apparatus and paver of some embodiments of the present invention are described.

Example one

In the present embodiment there is provided a telescopic screed assembly 1 for a screed apparatus 2, the telescopic screed assembly 1 comprising a telescopic frame 11, a telescopic screed 12, a compacting mechanism 13 and a drive mechanism 14, as shown in figure 1.

The telescopic frame 11 is provided on at least one side of the screed plate assembly 2 to serve as a support structure of the telescopic screed plate assembly 1 for supporting and connecting purposes. When the screed device 2 is assembled on the paver 3, the telescopic frame 11 is connected to one side or both sides of the screed device 2 in the width direction of the paver 3, and may extend outward or contract inward relative to the screed device 2 in the width direction of the paver 3, so that the telescopic frame 11 may perform telescopic movement in the width direction of the paver 3.

The telescopic screed 12 is connected to the telescopic frame 11, and in particular, the telescopic screed 12 is located at the bottom of the telescopic frame 11 to facilitate a screed operation for the mix delivered to the target work area. The telescopic screed 12 can perform telescopic motion along with the telescopic frame 11, so that when the telescopic screed 12 extends outwards relative to the screed device 2, the width of the telescopic screed 12 is increased, the coverage of the telescopic screed 12 is enlarged, the operation area of the screed device 2 is enlarged, and the improvement of the operation efficiency of the paver 3 is facilitated.

The compaction mechanism 13 is connected to the telescopic frame 11 and is used for performing pre-compaction operation on the mixture so as to improve the compaction degree of a road surface formed by the mixture and facilitate rolling operation of the road roller in a subsequent construction link. As shown in fig. 2, a drive mechanism 14 for providing the power required for the operation of the compacting mechanism 13 is provided in the telescopic frame 11. The driving mechanism 14 comprises a driving motor 141 and a battery assembly 142, the driving motor 141 is in transmission connection with the compacting mechanism 13 to drive the compacting mechanism 13 to perform pre-compacting operation on the mixture, and the battery assembly 142 is electrically connected with the driving motor 141 to supply power to the driving motor 141. Through setting up battery pack 142 and supplying power to driving motor 141 and driving compacting mechanism 13, need not to set up hydraulic line, reduced the connecting cable, can prevent to take place pulling of hydraulic line or cable when flexible screed board subassembly 1 carries out concertina movement, simplify flexible screed board subassembly 1's relation of connection and inner structure, the assembly and the maintenance of compacting mechanism 13 of being convenient for. In addition, the compacting mechanism 13 does not need to obtain power from the spreading machine 3, so that the load of the spreading machine 3 is reduced, and the energy waste in the power transmission process is reduced.

It should be noted that the installation positions of the driving motor 141 and the battery assembly 142 are not limited to the positions shown in the drawings in the present embodiment, and may be set at other positions according to the specific structure of the retractable ironing board assembly 1.

Example two

The telescopic screed plate assembly 1 provided in the present embodiment is further improved on the basis of the first embodiment.

The battery assembly 142 includes at least one battery pack electrically connected to the driving motor 141 to supply power to the driving motor 141 through the battery pack. Wherein, battery package detachably connects on telescopic frame 11 for can change when the battery package electric quantity is lower, so that the battery package that the electric quantity is lower charges. For example, when the number of the battery packs is one, when the electric quantity of the battery pack is low, the battery pack with low electric quantity can be replaced by the battery pack with high electric quantity to continuously supply power to the driving motor 141, and the battery pack with low electric quantity is charged.

Further, a battery mounting structure is disposed on the telescopic frame 11, and the battery assembly 142 is connected to the battery mounting structure, so that the battery assembly 142 can perform telescopic movement along with the telescopic frame 11.

EXAMPLE III

The battery assembly 142 includes a plurality of battery packs, each of which is electrically connected to the driving motor 141, and is switchable between the plurality of battery packs such that each of the battery packs can individually supply power to the driving motor 141. For example, when one battery pack in the battery assembly 142 supplies power to the driving motor 141, the other battery packs may be used as backup battery packs, and the backup battery packs may perform charging operation, so that alternate power supply is realized by switching among the plurality of battery packs, so as to prolong the overall power supply duration of the battery assembly 142, and prevent the phenomenon of insufficient electric quantity from affecting normal construction operation in the construction process. The number of the battery packs may be 2 to 4, or other numbers.

Example four

The battery pack is provided with a charging interface for connecting a charging device. The battery pack can be charged without being disassembled, for example, after construction is finished, a charging cable of the charging device is connected to a charging interface of the battery pack to charge the battery pack, so that the charging operation process can be simplified, and the disassembling workload can be reduced; when the quantity of battery package is a plurality of, also can be through the battery charging outfit on paver 3 to the battery including charging to reduce the influence to the construction operation, make the operation of charging more convenient. The charging device may be an external charger or a charging pile, or may be the generator 33 of the paver 3.

EXAMPLE five

As shown in fig. 3, the compacting mechanism 13 specifically includes a vibrating mechanism 131 and a vibrating mechanism 132. The vibrating mechanism 131 is connected to the bottom of the telescopic frame 11 to perform pre-compaction by vibrating the mixture; the vibration mechanism 132 is connected to the telescopic frame 11 to pre-compact the mix by vibrating the telescopic screed 12. The driving motor 141 is drivingly connected to the vibrating mechanism 131 and the vibrating mechanism 132 to provide a driving force to the vibrating mechanism 131 and the vibrating mechanism 132 to drive the vibrating mechanism 131 and the vibrating mechanism 132. The battery assembly 142 supplies power to the driving motor 141 to drive the vibrating mechanism 131 and the vibrating mechanism 132 to run, so that connecting pipelines and cables of the vibrating mechanism 131 and the vibrating mechanism 132 are reduced, the possibility of dragging or mutual interference of the pipelines and the cables is reduced when the telescopic ironing board assembly 1 performs telescopic motion, and the spatial arrangement of the telescopic ironing board assembly 1 is optimized.

Further, the driving motor 141 is a variable frequency motor, and the driving mechanism 14 further includes a controller. The controller is electrically connected with the variable frequency motor to adjust the vibration frequency of the vibration mechanism 131 and the vibration frequency of the vibration mechanism 132 by controlling the operation state of the variable frequency motor, for example, the vibration frequency of the vibration mechanism 131 and the vibration frequency of the vibration mechanism 132 are adjusted by changing the rotation speed of the driving motor 141, so that the vibration frequency and the vibration frequency can be adapted according to different mixed materials.

EXAMPLE six

In the present embodiment there is provided a telescopic screed plate assembly 1 for a screed plate arrangement 2. As shown in fig. 3, the telescopic screed plate assembly 1 comprises a telescopic frame 11, a telescopic screed plate 12, a compacting mechanism 13 and a drive mechanism 14.

The telescopic frame 11 is provided on at least one side of the screed plate assembly 2 to serve as a support structure of the telescopic screed plate assembly 1 for supporting and connecting purposes. When the screed device 2 is assembled on the paver 3, the telescopic frame 11 is connected to one side or two sides of the screed device 2 in the width direction of the paver 3 and can extend outwards or contract inwards relative to the screed device 2 in the width direction of the paver 3, so that the telescopic frame 11 can perform telescopic motion in the width direction of the paver 3.

A telescopic screed 12 is connected to the bottom of the telescopic frame 11 to facilitate a screed operation on the mix delivered to the target work area. The telescopic screed 12 can perform telescopic motion along with the telescopic frame 11, so that when the telescopic screed 12 extends outwards relative to the screed device 2, the width of the telescopic screed 12 is increased, the coverage of the telescopic screed 12 is enlarged, the operation area of the screed device 2 is enlarged, and the improvement of the operation efficiency of the paver 3 is facilitated.

The compacting mechanism 13 includes a vibrating mechanism 131 and a vibrating mechanism 132. The vibrating mechanism 131 is connected to the bottom of the telescopic frame 11 to perform pre-compaction by vibrating the mixture; the vibration mechanism 132 is connected to the telescopic frame 11 to pre-compact the mix by vibrating the telescopic screed 12.

The drive mechanism 14 is used for providing power required for the operation of the compacting mechanism 13 and is arranged in the telescopic frame 11. The driving mechanism 14 includes a driving motor 141, a battery assembly 142 and a controller, the driving motor 141 is in transmission connection with the vibrating mechanism 131 and the vibrating mechanism 132 to drive the vibrating mechanism 131 and the vibrating mechanism 132 to perform pre-compaction operation on the mixture, and the battery assembly 142 is electrically connected with the driving motor 141 to supply power to the driving motor 141. The driving motor 141 is in transmission connection with the vibrating mechanism 131 and the vibrating mechanism 132 to provide driving force for the vibrating mechanism 131 and the vibrating mechanism 132, and drives the vibrating mechanism 131 and the vibrating mechanism 132 to improve the compaction degree of the road surface formed by the mixture, so that the rolling operation of the road roller in the subsequent construction links is facilitated. The controller is electrically connected to the driving motor 141 and the battery assembly 142 to control the operation states of the driving motor 141 and the battery assembly 142.

Specifically, the driving motor 141 is a variable frequency motor, and the controller adjusts the vibration frequency of the vibrating mechanism 131 and the vibration frequency of the vibrating mechanism 132 by controlling the rotation speed of the variable frequency motor. The battery assembly 142 is connected to a battery mounting structure of the telescopic frame 11 and can perform telescopic movement together with the telescopic frame 11. The battery assembly 142 includes a plurality of detachable battery packs, each of which is electrically connected to the driving motor 141, so that each of the battery packs can individually supply power to the driving motor 141, and the controller can control the plurality of battery packs to be switched with respect to each other. For example, when one battery pack in the battery assembly 142 supplies power to the driving motor 141, the other battery packs may be used as backup battery packs, and the backup battery packs may perform a charging operation, so that alternate power supply is realized by switching among a plurality of battery packs, so as to prolong the overall power supply duration of the battery assembly 142. Wherein, all be equipped with the interface that charges on every battery package for connect charging device, the battery package need not to dismantle and can carry out the operation of charging. The number of battery packs may be 2 to 4, but other numbers are also possible.

In this embodiment, the telescopic ironing board assembly 1 supplies power to the driving motor 141 through the battery assembly 142, and drives the compacting mechanism 13, so that a hydraulic pipeline is not required to be arranged, and a connecting cable is reduced, thereby preventing the hydraulic pipeline or the cable from being pulled when the telescopic ironing board assembly 1 performs telescopic motion, simplifying the connection relation and the internal structure of the telescopic ironing board assembly 1, and facilitating the assembly and maintenance of the compacting mechanism 13. In addition, the compacting mechanism 13 does not need to obtain power from the spreading machine 3, so that the load of the spreading machine 3 is reduced, and the energy waste in the power transmission process is reduced.

EXAMPLE seven

In the present embodiment, a screed apparatus 2 is provided for a paving machine 3, and as shown in fig. 4, the screed apparatus 2 includes a main screed plate assembly 21, two telescopic screed plate assemblies 1 in any one of the above embodiments, and a heating device.

As shown in fig. 4 and 5, the main screed plate assembly 21 is used as a main structure of the screed plate device 2, and is connected to a tail portion of the paver 3, so as to perform a screed operation on a mixture during a driving process of the paver 3, so as to flatten a road surface. The two telescopic screed plate assemblies 1 are respectively connected to two sides of the main body screed plate assembly 21 in the width direction of the paver 3, and each telescopic screed plate assembly 1 can extend outwards or contract inwards in the width direction of the paver 3. The heating device is connected with the telescopic ironing plate 12 of the telescopic ironing plate assembly 1 and is used for heating the telescopic ironing plate 12 so as to heat the mixed materials through the telescopic ironing plate 12 and facilitate the ironing operation of the mixed materials.

When the telescopic screed plate assembly 1 is in a stretching state, the coverage of the screed plate device 2 is enlarged by increasing the width of the telescopic screed plate assembly 1 so as to improve the construction efficiency of the paver 3. After the construction is finished, the telescopic ironing board assembly 1 is retracted inwards to reduce the space occupied by the ironing board device 2. The driving motor 141 of the telescopic ironing board assembly 1 supplies electric energy required by operation through the battery assembly 142, so that pipelines and cables required for driving the compacting mechanism 13 are reduced, connection is simplified, and reasonable arrangement of space is facilitated.

In addition, the screed device 2 in this embodiment also has all the benefits of the telescopic screed plate assembly 1 in any of the above embodiments, which are not described herein again.

Example eight

The present embodiment provides a paver 3, as shown in fig. 6, including a paver body 31 and a screed apparatus 2.

The paver 3 comprises a paver body 31 and the screed apparatus 2 of any of the embodiments described above. The paver body 31 is used for carrying the working mechanism of the paver 3 and can drive the working mechanism to run. The main body screed plate assembly 21 of the screed device 2 is connected to the tail of the paver body 31, and the telescopic screed plate assemblies 1 are provided on both sides of the main body screed plate assembly 21 in the width direction of the paver body 31. Under the drive of the paving machine body 31, the mixture conveyed to a target operation area is ironed through the main body ironing board assembly 21 and the telescopic ironing board assembly 1, so that the mixture forms a new road surface.

In addition, the paver 3 in this embodiment has all the advantages of the screed device 2 in any of the above embodiments, and details are not described here.

Example nine

The paver 3 provided in this embodiment is further improved on the basis of the eighth embodiment.

As shown in fig. 7, an engine 32 and a generator 33 are provided in the paver body 31, and the engine 32 is in transmission connection with the generator 33 to drive the generator 33 to generate electricity. The battery assembly 142 in the screed device 2 is electrically connected with the generator 33, so that the battery assembly 142 can be charged through the generator 33, the vehicle-mounted charging of the battery assembly 142 is realized, and the construction efficiency of the paver 3 is improved. The battery assembly 142 supplies power to the driving motor 141 to enable the driving motor 141 to operate, and the driving motor 141 provides power to the compaction mechanism 13 to drive the compaction mechanism 13 to operate, so that pre-compaction operation of the mixture is realized. Particularly, when the battery pack 142 includes a plurality of battery packs, the plurality of battery packs may be switched to each other, so that when some of the battery packs supply power to the driving motor 141, other battery packs are in a standby state, and the battery packs in the standby state may be charged by the generator 33, thereby reducing the construction preparation time and further improving the construction efficiency.

Example ten

As shown in FIG. 8, the screed plate device is provided with an engine 32 and a generator 33, and the engine 32 is in transmission connection with the generator 33 so as to drive the generator 33 to generate electricity through the engine 32. The battery assembly 142 in the screed apparatus 2 is electrically connected to the generator 33, and the battery assembly 142 may be charged by the generator 33 to realize on-board charging of the battery assembly 142. The battery assembly 142 supplies power to the driving motor 141 to enable the driving motor 141 to operate, and the driving motor 141 provides power to the compaction mechanism 13 to drive the compaction mechanism 13 to operate, so that pre-compaction operation of the mixture is realized. The engine 32 and the generator 33 only provide electric energy for the battery assembly 142, so that smaller engines and generators can be adopted according to the power consumption of the battery assembly 142, and the improvement of the energy utilization efficiency is facilitated. In addition, the battery assembly 142 does not need to be led from the paving machine body 31, the distance between the battery assembly 142 and the generator 33 and the distance between the battery assembly 142 and the engine 32 are shortened, and hydraulic pipelines or cables can be effectively reduced, so that the phenomenon that the hydraulic pipelines or cables are dragged or interfered with each other is prevented when the telescopic ironing board assembly 1 performs telescopic motion.

Particularly, when the battery pack 142 includes a plurality of battery packs, the plurality of battery packs may be switched to each other, so that when some of the battery packs supply power to the driving motor 141, other battery packs are in a standby state, and the battery packs in the standby state may be charged by the generator 33, thereby reducing the construction preparation time and further improving the construction efficiency.

The technical scheme of the invention is explained in detail by combining the drawings, realizes the electric drive of the compaction mechanism in the telescopic ironing board assembly, simplifies the connection and the internal structure, can prevent the pipeline or cable from being pulled when the telescopic ironing board assembly performs telescopic motion, is favorable for optimizing the spatial arrangement, can reduce the load of an engine of the paver, and is favorable for reducing the energy waste in the driving process.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

1. A telescopic screed plate assembly (1) for a screed apparatus (2), the telescopic screed plate assembly (1) comprising:

the telescopic frame (11) is arranged on at least one side of the ironing board device (2), and the telescopic frame (11) can extend outwards or contract inwards relative to the ironing board device (2);

the telescopic ironing plate (12) is connected with the telescopic frame (11), and the telescopic ironing plate (12) can extend outwards or contract inwards along with the telescopic frame (11);

the compaction mechanism (13) is connected to the telescopic frame (11) and is used for performing pre-compaction operation on the mixture;

a drive mechanism (14) including a drive motor (141) and a battery assembly (142), the battery assembly (142) being electrically connected with the drive motor (141) to supply power to the drive motor (141),

wherein the driving motor (141) is in transmission connection with the compaction mechanism (13) to drive the compaction mechanism (13) to operate.

2. The telescopic screed assembly (1) according to claim 1, wherein the battery assembly (142) comprises:

at least one battery pack detachably connected with the telescopic frame (11), wherein the battery pack is electrically connected with the driving motor (141) to supply power to the driving motor (141).

3. Telescopic screed plate assembly (1) according to claim 2,

the number of the battery packs is multiple, each battery pack is electrically connected with the driving motor (141), and each battery pack can independently supply power to the driving motor (141).

4. Telescopic screed plate assembly (1) according to claim 2,

the battery pack is provided with a charging interface for connecting a charging device.

5. Telescopic screed plate assembly (1) according to claim 1,

the telescopic frame (11) is provided with a battery mounting structure, and the battery assembly (142) is connected to the telescopic frame (11) through the battery mounting structure.

6. The telescopic screed assembly (1) according to claim 1, characterized in that the compacting mechanism (13) comprises:

the vibrating mechanism (131) is connected to the bottom of the telescopic frame (11) and is used for vibrating and pre-compacting the mixture;

a vibration mechanism (132) connected to the bottom of the telescopic frame (11) for performing vibration pre-compaction on the mixture,

wherein, the driving motor (141) is in transmission connection with the vibrating mechanism (131) and the vibrating mechanism (132).

7. Telescopic screed plate assembly (1) according to claim 6,

the driving motor (141) is a variable frequency motor;

the driving mechanism (14) further comprises a controller, the controller is electrically connected with the variable frequency motor, and the controller adjusts the vibration frequency of the vibration mechanism (131) and the vibration frequency of the vibration mechanism (132) by controlling the running state of the variable frequency motor.

8. Screed device (2) for a paver (3), characterized in that it comprises:

the main body ironing board assembly (21) is connected to the tail part of the paver (3);

two telescopic screed assemblies (1) according to any one of claims 1 to 7, which are respectively connected to both sides of the main screed assembly (21) in the width direction of the paver (3), and each telescopic screed assembly (1) can be extended outwards or retracted inwards in the width direction of the paver (3);

the heating device is connected with the telescopic ironing plate (12) of the telescopic ironing plate assembly (1) and used for heating the telescopic ironing plate (12).

9. A paver (3), characterized in that it comprises:

a paver body (31);

the screed apparatus (2) of claim 8, a main screed assembly (21) of the screed apparatus (2) being connected to a rear portion of the paver body (31), a mix being screeded by the main screed assembly (21) and the telescopic screed assembly (1) in the screed apparatus (2).

10. The paver (3) as claimed in claim 9,

an engine (32) and a generator (33) are arranged in the paver body (31), the engine (32) is in transmission connection with the generator (33) to drive the generator (33) to generate power,

wherein a battery assembly (142) in the screed apparatus (2) is electrically connected with the generator (33) to charge the battery assembly (142) through the generator (33); or

The screed plate device (2) is provided with an engine (32) and a generator (33), the engine (32) is in transmission connection with the generator (33) to drive the generator (33) to generate power,

wherein the battery assembly (142) is electrically connected with the generator (33) to charge the battery assembly (142) through the generator (33).