CN216445741U - Automatic leveling device for balance beam of asphalt paver - Google Patents

Abstract

The utility model discloses an automatic leveling device for a balance beam of an asphalt paver, which comprises a vertical plate, mounting panel and well accuse controller, the pivot is installed through the pivot support in the bottom of mounting panel, install two pneumatic cylinders in the pivot towards down, the top of riser and the piston rod fixed connection of two pneumatic cylinders, the bottom of riser transversely fixes the top at the compensating beam, the bottom of mounting panel is installed one respectively and is monitored along I angle sensor along pivot direction inclination and one and is detected along perpendicular pivot direction inclination's II angle sensor, install a rotary drum through motor drive on the mounting panel of pivot both sides through the rotary drum support respectively, it has a cable wire to roll respectively on two rotary drums, be connected with a engaging lug on two cable wires respectively, two engaging lugs respectively with the compensating beam fixed connection of riser both sides, well accuse controller is connected with the hydraulic system of motor and pneumatic cylinder respectively. The automatic leveling device has the functions of leveling and automatic leveling in the horizontal direction.

Description

Automatic leveling device for balance beam of asphalt paver

Technical Field

The utility model relates to the technical field of asphalt paving equipment, in particular to an automatic leveling device for a balance beam of an asphalt paving machine.

Background

Asphalt pavement is used as main engineering in highway engineering, and the flatness of the asphalt pavement directly influences the driving comfort. The paver is a construction equipment mainly used for paving various materials on a base layer and a surface layer of a highway. Various systems are mutually matched to finish the paving work, and the paving machine mainly comprises a walking system, a hydraulic system, a material conveying and distributing system and the like.

The spreading machine is usually provided with a receiving hopper at the front part for distributing materials, a spiral spreader and a screed at the rear part, and controls an oil cylinder to adjust the angle of the screed through a control system so as to spread and flatten the materials. Traditional asphalt paving makes level is that the reciprocal action of the operating personnel control scraper blade of standing in equipment both sides or screed realizes the purpose of making level to asphalt concrete, simultaneously, equipment the place ahead still need have the workman to hole filler to prevent because of filling uneven hole that produces, perhaps push away some high points with the spade, the relatively extravagant manpower resources of equipment that can see the tradition make level has increased the cost of labor. For this reason, asphalt paving leveling devices have been developed, and some paving leveling devices have been reported in the open literature, such as:

1. chinese patent: a paving leveling device of an asphalt paver applies for the following numbers: 201820249466.9, filing date: 2018.02.11, patentee: jiangsu Hongyuan construction group company Limited, Address 214500 Jiangsu province salt city coast county eight huge town property road No. 12-: baihulian, Wangshuai, abstract: the utility model discloses a paving leveling device of an asphalt paver, which comprises two groups of supporting pieces, wherein each supporting piece comprises a bracket, an inserting nail is connected on each bracket in a sliding manner, and a first fixing bolt for fixing the inserting nail is connected on each bracket in a threaded manner; two groups of support rods are fixedly connected to the bracket, a sliding piece is arranged between the two groups of support rods, and a sliding block is arranged on the sliding piece; install one on one of them a set of support piece's support and wind the winding roll, it has wire rope to wind on the winding roll, a through-hole has been seted up on the sliding block, wire rope passes behind the through-hole fixed connection on another set of support piece's sliding block, two sets of support piece have been set up, through setting up one on one of them a set of support piece and wind the winding roll, it has wire rope to wind on the winding roll, wire rope one end is fixed with the sliding block on another set of support piece after passing around the through-hole, through such setting, pave the during operation, do not need other wire rope that carry to connect two sets of support frames, the work load is reduced, the work efficiency is improved.

2. Chinese patent: a paving leveling device of an asphalt paver applies for the following numbers: 202021779301.6, filing date: 2020.08.24, Jilin, patentee, Engineer, Inc., address: 130000 youth road 2436 of green park of Changchun city, Jilin province, inventor: the formula comprises the following components of mamingqing, trekka, shenhong lingling, Wuting Ting, xulingyu and prunus and is characterized in that: the utility model discloses a paving leveling device of an asphalt paver, relates to the technical field of constructional engineering, and solves the technical problems that in the prior art, leveling equipment wastes manpower resources and increases labor cost. The technical characteristics are that the device comprises a guide device which is fixedly arranged on an external frame; the leveling device is arranged below the guide device and is used for paving and leveling the asphalt concrete; a power device for moving the leveling device along the guide device; wherein, the leveling device is also provided with a height adjusting device. The automatic feeding device has the beneficial effects of saving labor cost and improving working efficiency.

3. Chinese patent: a paving leveling device of an asphalt paver applies for the following numbers: 201620812951.3, filing date: 2016.07.26, patentee: lake, municipal engineering, ltd, address: 314299 No. 99 of Xinhuabei road of Tanhu lake city, Pinghu lake, Zhejiang province, inventor: wanghuren, love on land, abstract: the utility model discloses a paving leveling device of an asphalt paver, which comprises a base, wherein two fixed blocks are arranged on one side of the base along the horizontal direction, the two fixed blocks are connected through a rotating shaft, a telescopic mechanism is fixed on the rotating shaft, an inserting nail is arranged at one end, far away from the rotating shaft, of the telescopic mechanism, a first fixing device used for fixing the rotating shaft is arranged on the outer side of one fixed block, vertical rods are arranged on two sides of the upper end of the base, first sleeves are sleeved on the vertical rods, second fixing devices used for fixing the first sleeves on the vertical rods are arranged on the first sleeves, the two first sleeves are connected through a cross rod, a second sleeve is sleeved on the cross rod, and a third fixing device used for fixing the second sleeves on the cross rod is arranged on the second sleeve. The utility model has simple structure and convenient operation, improves the planeness of the paving surface of the asphalt paver, leads the pavement planeness error to be smaller, improves the work efficiency, and is economical and practical.

4. Chinese patent: an asphalt paver paves and looks for flat frame, application number: 201910536749.0, filing date: 2019.06.20, Applicant: seventeen-metallurgy group ltd of china, address: 243000 Anhui province, Maanshan city, Huashan mountain area, Yushandong road No. 88, inventor: parents of pottery, junior soldiers, chenyuhua, abstract: the utility model belongs to the field of asphalt concrete pavement construction, and particularly relates to a paving and leveling frame of an asphalt paver, which comprises a base, the base is composed of an iron ring, a triangular inclined strut and an inner wire steel pipe, a screw rod is connected with the inner wire steel pipe through threads, the top end of the screw rod is horizontally welded with a top steel plate, the base, the inner screw steel pipe and the top steel plate jointly form a spreading and leveling frame of the asphalt paver, arranging a plurality of paving and leveling frames of the asphalt pavers, horizontally placing an aluminum alloy flat pipe between every two paving and leveling frames of the asphalt pavers on a top steel plate, through the height of adjustment screw pole, make the aluminum alloy flat tube is the horizontality, the aluminum alloy flat tube is the benchmark of making level promptly, simple structure, convenient operation, labour saving and time saving, high-efficient swift, the accuracy is high, can realize bituminous concrete fast and pave.

5. Chinese patent: a paving leveling device of an asphalt paver applies for the following numbers: 201920459799.9, filing date: 2019.04.04, patentee: guangzhou city and Rich municipal engineering, Inc., address: 510000 Xinzhenfu Zhonglu 65 in the Zengcheng district of Guangzhou, Guangdong province, abstract: the utility model discloses a paving and leveling device of an asphalt paver, which belongs to the technical field of asphalt pavers and comprises an asphalt paver body, a driving mechanism and a leveling mechanism, wherein the driving mechanism is arranged at the rear end of the asphalt paver body, the leveling mechanism is sleeved on the driving mechanism, the driving mechanism comprises a supporting component and an adjusting component, the adjusting component is sleeved on the supporting component, the leveling mechanism comprises a positioning component and a translation component, the positioning component and the translation component are both sleeved on the adjusting component, and a leveling rope is arranged between the positioning component and the translation component. According to the utility model, when the leveling operation is required, the asphalt paver body can be moved to drive the positioning assembly and the translation assembly to move, and meanwhile, the positioning assembly and the translation assembly can be used for performing the leveling operation on the asphalt paver body, so that the effect of leveling can be achieved by manually carrying two groups of support frames to be matched with the steel wire rope.

Research shows that the leveling devices with different structures have different practical degrees and effects.

Disclosure of Invention

The utility model aims to provide an automatic leveling device for a balance beam of an asphalt paver, which has the function of leveling and automatically leveling in the horizontal direction and solves the problems that the existing paver lacks the function of automatically correcting the inclination angle in the horizontal direction, and the uneven road surface can cause the uneven operation during the working period, cannot be found in time and influences the final working quality.

In order to realize the purpose of the utility model, the technical scheme is as follows:

an automatic leveling device for a balance beam of an asphalt paver, which comprises a vertical plate, a mounting plate and a central control controller, wherein the bottom of the mounting plate is provided with a rotating shaft through a rotating shaft support, two hydraulic cylinders are arranged downwards on the rotating shaft, the two hydraulic cylinders are preferably arranged vertically and downwards in parallel, the top end of the vertical plate is fixedly connected with piston rods of the two hydraulic cylinders, the bottom end of the vertical plate is transversely fixed at the top of the balance beam of the asphalt paver, the bottom of the mounting plate is respectively provided with a No. I mounting seat and a No. II mounting seat, the No. I mounting seat and the No. II mounting seat are preferably arranged at the bottom of the mounting plate at two sides of the rotating shaft, the No. I mounting seat is provided with a No. I swinging rod capable of swinging along the rotating shaft direction, the No. I swinging rod is provided with an angle sensor, the No. II mounting seat is provided with a No. II swinging rod capable of swinging along the vertical rotating shaft direction, the No. II swinging rod is provided with an angle sensor, install a rotary drum through the rotary drum support respectively on the mounting panel of pivot both sides, the rotary drum is connected and is installed the motor, motor drive rotary drum rotates, it has a cable wire to roll respectively on two rotary drums, be connected with a engaging lug respectively on two cable wires, two engaging lugs respectively with the compensating beam fixed connection of riser both sides, well accuse controller is connected with the hydraulic system of motor and pneumatic cylinder respectively, well accuse controller is according to the work of the signal control motor of I angle sensor and II angle sensor transmissions and pneumatic cylinder.

Further preferred is: the mounting panels on the two sides of the rotating shaft are respectively provided with a fixed pulley used for guiding the steel cable through a pulley seat, the steel cable is wound on the fixed pulleys, the fixed pulleys can reduce the friction between the steel cable and the mounting panels, and the service life of the device is prolonged.

The automatic leveling device for the balance beam of the asphalt paver monitors the level condition of the balance beam by arranging the angle sensor I and the angle sensor II, is fixedly installed with the body of the asphalt paver when in use, the paver moves forwards, at least one of the swinging rod I and the swinging rod II can deflect when the balance beam is not level, when the deflection occurs, the deflection can be detected by the angle sensor I or the angle sensor II, then the central control controller controls the work of a motor and a hydraulic cylinder according to signals transmitted by the angle sensor I and the angle sensor II, the balance beam is adjusted to be in a horizontal state through the support of a piston shaft of the hydraulic cylinder and the tensioning action of a steel cable, the functions of upward leveling and automatic leveling of the balance beam in the horizontal direction are realized, and the problem that the existing paver lacks the automatic inclination angle correction function in the horizontal direction is solved, the problem that the final working quality is influenced because the operation is not horizontal and cannot be found in time due to the fact that the road surface is not flat in the working period is caused.

Drawings

FIG. 1 is a schematic view of a first perspective of an automatic leveling device for a balance beam of an asphalt paving machine;

FIG. 2 is a schematic perspective view of a second view angle of the automatic leveling device for the balance beam of the asphalt paving machine;

FIG. 3 is a schematic front view of the automatic leveling device for the balance beam of the asphalt paving machine;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

the names corresponding to the sequence numbers in the figure are:

1. a balance beam; 2. connecting lugs; 3. a vertical plate; 4. a piston rod; 5. mounting a plate; 6. a motor; 7. a body of the asphalt paver; 8. a rotating drum support; 9. a rotating shaft support; 10. a hydraulic cylinder; 11. an angle sensor I; 12. a swing lever I; 13. a mounting seat I; 14. a mounting base II; 15. a swing lever II; 16. an angle sensor No. II; 17. a steel cord; 18. a rotating shaft; 19. a rotating drum; 20. a fixed pulley; 21. a pulley seat; 22. and a central control controller.

Detailed Description

In order to make the technical solutions and advantages of the present application clearer, the following describes the technical solutions clearly and completely with reference to the embodiments.

Example 1

An automatic leveling device for a balance beam of an asphalt paver, which comprises a vertical plate 3, a mounting plate 5 and a central control controller 22, wherein the bottom of the mounting plate 5 is provided with a rotating shaft 18 through a rotating shaft support 9, two hydraulic cylinders 10 are arranged on the rotating shaft 18 downwards, the two hydraulic cylinders 10 are preferably arranged vertically downwards and in parallel, the top end of the vertical plate 3 is fixedly connected with piston rods 4 of the two hydraulic cylinders 10, the bottom end of the vertical plate 3 is transversely fixed at the top of the balance beam 1 of the asphalt paver, the bottoms of the mounting plates 5 at two sides of the rotating shaft 18 are respectively provided with a No. I mounting seat 13 and a No. II mounting seat 14, the No. I mounting seat 13 is provided with a No. I swinging rod 12 which can swing along the direction of the rotating shaft 18, the No. I swinging rod 12 is provided with a No. I angle sensor 11, the No. II mounting seat 14 is provided with a No. II swinging rod 15 which can swing along the direction of the vertical rotating shaft 18, the No. II swinging rod 15 is provided with a No. II angle sensor 16, install a rotary drum 19 through rotary drum support 8 respectively on the mounting panel 5 of 18 both sides of pivot, rotary drum 19 connects and installs motor 6, motor 6 drive rotary drum 19 rotates, it has a cable wire 17 to roll respectively on two rotary drums 19, be connected with a engaging lug 2 respectively on two cable wires 17, two engaging lugs 2 respectively with the compensating beam 1 fixed connection of riser 3 both sides, well accuse controller 22 is connected with the hydraulic system of motor 6 and pneumatic cylinder 10 respectively, well accuse controller 22 is according to the work of signal control motor 6 and pneumatic cylinder 10 of I angle sensor 11 and II angle sensor 16 transmissions.

Example 2

An automatic leveling device for a balance beam of an asphalt paver, which comprises a vertical plate 3, a mounting plate 5 and a central control controller 22, wherein the bottom of the mounting plate 5 is provided with a rotating shaft 18 through a rotating shaft support 9, two hydraulic cylinders 10 are arranged on the rotating shaft 18 downwards, the two hydraulic cylinders 10 are preferably arranged vertically downwards and in parallel, the top end of the vertical plate 3 is fixedly connected with piston rods 4 of the two hydraulic cylinders 10, the bottom end of the vertical plate 3 is transversely fixed at the top of the balance beam 1 of the asphalt paver, the bottoms of the mounting plates 5 at two sides of the rotating shaft 18 are respectively provided with a No. I mounting seat 13 and a No. II mounting seat 14, the No. I mounting seat 13 is provided with a No. I swinging rod 12 which can swing along the direction of the rotating shaft 18, the No. I swinging rod 12 is provided with a No. I angle sensor 11, the No. II mounting seat 14 is provided with a No. II swinging rod 15 which can swing along the direction of the vertical rotating shaft 18, the No. II swinging rod 15 is provided with a No. II angle sensor 16, install a rotary drum 19 through rotary drum support 8 respectively on the end of the mounting panel 5 of pivot 18 both sides, rotary drum 19 connects and installs motor 6, motor 6 drive rotary drum 19 rotates, it has a cable wire 17 to roll respectively on two rotary drums 19, be connected with a engaging lug 2 on two cable wires 17 respectively, two engaging lugs 2 respectively with 1 fixed connection of compensating beam of riser 3 both sides, install the fixed pulley 20 that is used for direction cable wire 17 through pulley holder 21 respectively on the end of mounting panel 5, cable wire 17 winds on fixed pulley 20, fixed pulley 20 can reduce the friction of cable wire 17 and mounting panel 5, extension fixture's life. The central control controller 22 is connected with the hydraulic systems of the motor 6 and the hydraulic cylinder 10 respectively, and the central control controller 22 controls the operation of the motor 6 and the hydraulic cylinder 10 according to signals transmitted by the angle sensor I11 and the angle sensor II 16.

The working principle of the automatic leveling device for the balance beam of the asphalt paver is as follows: when the device is used, the mounting plate 5 is horizontally fixed on a body 7 of an asphalt paver, the height of the balance beam 1 is adjusted through the extending length of a piston rod 4 of a hydraulic cylinder 10, the asphalt paver moves forwards, when the asphalt paver is not horizontal, the balance beam 1 can also be out of level, at least one of a swinging rod I12 and a swinging rod II 15 can deflect, when the deflection occurs, the deflection can be detected by an angle sensor I11 or an angle sensor II 16, detected signals are transmitted to a central controller, the central controller drives a motor 6 on the corresponding side to move according to a program, the balance beam 1 is adjusted to be in a horizontal state through a steel cable 17, and the extending lengths of piston shafts 4 of the two hydraulic cylinders 10 can be controlled to be different to assist in adjusting the balance beam 1 to be in a horizontal state.

The above description is not intended to limit the present application, and the present application is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions or substitutions within the spirit and scope of the present application.

Claims (2)

1. The utility model provides an asphalt paving machine compensating beam automatic leveling device which characterized in that: the device comprises a vertical plate (3), a mounting plate (5) and a central control controller (22), wherein a rotating shaft (18) is installed at the bottom of the mounting plate (5) through a rotating shaft support (9), two hydraulic cylinders (10) are installed on the rotating shaft (18) downwards, the top end of the vertical plate (3) is fixedly connected with piston rods (4) of the two hydraulic cylinders (10), the bottom end of the vertical plate (3) is transversely fixed at the top of a balance beam (1) of the asphalt paver, a No. I mounting seat (13) and a No. II mounting seat (14) are respectively arranged at the bottom of the mounting plate (5), a No. I swinging rod (12) capable of swinging along the direction of the rotating shaft (18) is installed on the No. I mounting seat (13), a No. I angle sensor (11) is installed on the No. I swinging rod (12), a No. II swinging rod (15) capable of swinging along the direction of the vertical rotating shaft (18) is installed on the No. II mounting seat (14), install angle sensor (16) No. II on No. II swinging arms (15), install one rotary drum (19) through rotary drum support (8) respectively on mounting panel (5) of pivot (18) both sides, rotary drum (19) are connected and are installed motor (6), motor (6) drive rotary drum (19) rotate, it has a cable wire (17) to roll respectively on two rotary drums (19), be connected with one engaging lug (2) respectively on two cable wires (17), two engaging lugs (2) respectively with compensating beam (1) fixed connection of riser (3) both sides, well accuse controller (22) are connected with the hydraulic system of motor (6) and pneumatic cylinder (10) respectively.

2. The automatic leveling device for the balance beam of the asphalt paver of claim 1, which is characterized in that: the mounting plates (5) on two sides of the rotating shaft (18) are respectively provided with a fixed pulley (20) used for guiding the steel cable (17) through a pulley seat (21), and the steel cable (17) is wound on the fixed pulley (20).

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