CN215329192U

CN215329192U - Direct-drive heavy vibrating road roller

Info

Publication number: CN215329192U
Application number: CN202121481193.9U
Authority: CN
Inventors: 沈志龙; 孙超; 吴金林; 裴青青; 恽海涛; 李靖
Original assignee: Sinomach Changlin Co ltd
Current assignee: Sinomach Changlin Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-28
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a direct-drive heavy vibratory roller, which comprises a vibrating wheel and a driving wheel which are arranged on a front frame and a rear frame, wherein a torsional vibration damper of a transmission mechanism is arranged on a flywheel of a diesel engine, the front end part of a direct-drive gearbox is arranged on a flywheel shell of the diesel engine, an input shaft of the direct-drive gearbox is connected with a hub internal spline of the torsional vibration damper, an output shaft of the direct-drive gearbox is connected with a driving axle through a transmission shaft, a parking pull rod is connected with a parking brake drum at the rear end of the direct-drive gearbox through a flexible shaft, an operating mechanism comprises an operating handle and a controller, the controller has CAN communication and data processing functions, and a plurality of input and output interfaces of the controller are respectively connected with buttons on the operating handle, the direct-drive gearbox, the diesel engine and ports on a hydraulic system and are used for sending operation information and communicating and controlling the direct-drive gearbox, the diesel engine and the hydraulic system. The utility model can reduce the driving control intensity and improve the driving operation comfort, convenience and compaction operation efficiency.

Description

Direct-drive heavy vibrating road roller

Technical Field

The utility model relates to a direct-drive heavy vibratory roller, and belongs to the technical field of rollers.

Background

The heavy single steel wheel vibratory roller is generally used for compaction operation of foundations such as highway subgrade, railway embankment, building foundation, airport runway, harbor, dam and the like. In order to meet the requirement of the compactness of the basic paving layer, the road roller generally vibrates and compacts back and forth in a reciprocating way when in operation.

The engine and the gearbox of the heavy mechanical vibratory roller are connected through a clutch, and the power is cut off and connected through a clutch control system. In actual construction, the road roller needs to repeatedly advance and retreat for reciprocating compaction, and the operation mode requires a driver of the road roller to frequently control a clutch pedal, so that variable speed gear shifting, reversing and vibration switching are completed, the labor intensity of driving operation is increased, and unbalanced roadbed compaction and early damage to a gearbox and a clutch are easily caused by misoperation.

Disclosure of Invention

The utility model aims to provide a direct-drive heavy vibratory roller which can reduce driving control strength and improve driving operation comfort, convenience and compaction operation efficiency.

The technical scheme for achieving the aim of the utility model is as follows: the utility model provides a directly drive heavy vibrated roller, includes looks articulated preceding frame and back frame, installs the drive wheel on vibration wheel and the back frame on the frame in the front, and driver's cabin and covering are installed on the frame in the back, driver's cabin and covering in be equipped with drive mechanism, driving brake mechanism, parking brake mechanism and operating device, its characterized in that: a diesel engine for providing power for the road roller is inversely arranged on the rear frame, a cooling system is arranged on the rear frame and is positioned between the diesel engine and the cab, the transmission mechanism comprises a torsional vibration damper for transmitting power, a direct-drive gearbox for outputting a working gear, a transmission shaft and a drive axle, the torsional vibration damper is arranged on a flywheel of the diesel engine, the front end part of the direct-drive gearbox is arranged on a flywheel shell of the diesel engine, an input shaft of the direct-drive gearbox is connected with a hub internal spline of the torsional vibration damper, an output shaft of the direct-drive gearbox is connected with a drive axle through a transmission shaft, the parking brake mechanism comprises a parking brake drum, a parking pull rod and a flexible shaft, the parking brake drum is arranged on the rear end side of an output shaft of the direct-drive gearbox, the parking pull rod is arranged on a support on the cab bottom plate, and the parking pull rod is connected with the parking brake drum through the flexible shaft; the control mechanism comprises a control handle and a controller, the control handle is installed on a control box panel on the right side of a cab seat, the controller is installed on a rear frame below a cab through a damping pad, the controller has CAN communication and data processing functions and is provided with a plurality of input and output interfaces, each button on the control handle is connected with a corresponding port of the controller through a data line and used for sending operation information, and each input and output interface on the controller is connected with a corresponding port on the direct-drive gearbox, the diesel engine and the hydraulic system through a data line and used for communicating and controlling the direct-drive gearbox, the diesel engine and the hydraulic system.

The utility model cancels the clutch on the original heavy mechanical vibratory roller, the clutch control system thereof and the clutch pedal in the cab, adopts the torsional damper with larger transmission torque to replace the clutch, has better functions of torsional damping, overload and impact overload protection, and improves the driving operation comfort and convenience. The direct-drive gearbox is adopted, the sliding mill of the original main clutch is transferred to the directional clutch inside the direct-drive gearbox, and the power gear shifting and the reliable and stable starting of the road roller are realized. According to the utility model, the brake drum of the parking brake is arranged on the rear end side of the output shaft of the direct-drive gearbox, so that the installation, maintenance and repair are convenient, and the working reliability of the parking brake is ensured. The control mechanism adopts the control handle and the controller, and the control handle and the controller are used for communicating and controlling the direct-drive gearbox, the diesel engine and the hydraulic system, so that the operation and the control are simple and convenient, multiple functions of three-gear speed, forward and backward reversing, accelerator size, vibration starting and stopping, ramp starting and the like can be realized, the traditional clutch variable-speed gear shifting mode of the mechanical transmission road roller is thoroughly changed, the driving control intensity is reduced, and the compaction operation efficiency is improved.

Drawings

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a direct-drive heavy vibratory roller of the utility model.

FIG. 2 is a schematic structural view of the torsional vibration damper of the present invention.

Fig. 3 is a schematic structural view of the control handle of the utility model.

Wherein: 1-rear frame, 1-hinged plate support plate, 2-parking brake drum, 3-direct drive gearbox, 3-1-output shaft, 3-2-input shaft, 4-transmission shaft, 5-diesel engine, 5-1-flywheel housing, 6-drive axle, 7-drive wheel, 8-cooling system, 9-controller, 10-front frame, 11-vibrating wheel, 12-torsional damper, 12-1-driving disk, 12-2-driven disk, 12-3-hub, 12-4-damping spring, 12-5-connection ring plate, 12-6-auxiliary damping spring, 13-covering piece, 14-cab, 15-parking pull rod, 16-control handle, 16-1-ramp button 16-2-upshift button 16-3-vibration switch button, 16-4-downshift button 16-4.

Detailed Description

As shown in fig. 1, the direct-drive heavy vibratory roller comprises a front frame 10 and a rear frame 1 which are hinged to each other, a vibratory wheel 11 mounted on the front frame 10 and a driving wheel 7 mounted on the rear frame 1, a driving axle 6 is mounted on the rear frame 1, the driving wheel 7 is mounted on an axle of the driving axle 6, the vibratory wheel 11 is mounted on the front frame 10 through a connecting frame, the vibratory wheel controls the flow direction of high-pressure oil, a hydraulic motor arranged on one side of the vibratory wheel 11 is connected, and the hydraulic motor continuously moves under the action of the hydraulic oil and drives a vibratory mechanism to vibrate. A cab 14 and a covering part 13 are arranged on a rear frame 1, the covering part 13 is arranged on the rear frame 1 through a steel frame, an air spring and a buckle, and a transmission mechanism, a service brake mechanism, a parking brake mechanism and an operating mechanism are arranged in the cab 14 and the covering part 13.

As shown in fig. 1, the diesel engine 5 is used for providing ground power for a road roller, the diesel engine 5 is inversely installed on a rear frame 1, an installation base of the diesel engine 5 is installed on a support of the rear frame 1 through a shock absorber, a cooling system 8 is installed on the rear frame 1 and located between the diesel engine 5 and a cab 14, the cooling system 8 comprises a water tank cooler, an intercooler and two independent hydraulic oil radiators, the two hydraulic oil radiators are installed on one side of the water tank side by side, the intercooler is installed on the back of the water tank, inlets and outlets of the water tank and the intercooler are connected with corresponding inlets and outlets of the diesel engine 5, the two hydraulic oil radiators are respectively connected with respective hydraulic oil pipes, and the cooling system 8 respectively cools the diesel engine 5, a direct-drive gearbox 3 and a hydraulic system.

As shown in fig. 1, the transmission mechanism of the present invention includes a torsional vibration damper 12 for transmitting power, a direct drive transmission 3 for outputting an operating gear, and a propeller shaft 4 and a drive axle 6, wherein the torsional vibration damper 12 is mounted on a flywheel of a diesel engine 5. Referring to fig. 1 and 2, the torsional vibration damper 12 of the present invention includes a driving disk 12-1, driven disks 12-2 located at both sides of the driving disk 12-1, a disk hub 12-3, a plurality of damping springs 12-4 and auxiliary damping springs 12-6, the driving disk 12-1 and the two driven disks 12-2 are provided with a plurality of spring damping windows, the damping springs 12-4 and the auxiliary damping springs 12-6 located in the damping springs 12-4 are disposed at the respective corresponding spring damping windows and are respectively connected with the driving disk 12-1 and the driven disk 12-2, the auxiliary damping springs 12-6 are coaxially disposed with the damping springs 12-4, the disk hub 12-3 having an internal spline is riveted with the driven disk 12-2, the driving disk 12-1 is detachably connected with a connecting ring plate 12-5, the connecting blocks on the driving disc 12-1 are connected with the connecting ring plates 12-5 through fasteners, the connecting ring plates 12-5 are provided with positioning holes and threaded holes, the torsional vibration damper 12 can be installed on a flywheel of the diesel engine 5 through the positioning pins and the bolts, the torsional vibration damper 12 can be conveniently installed on the diesel engines 5 with different powers through the connecting ring plates 12-5, and the functions of torsional vibration damping, overload protection and impact protection are good.

As shown in figure 1, the front end part of a direct-drive gearbox 3 of the utility model is arranged on a flywheel shell 5-13 of a diesel engine 5, an input shaft 3-2 of the direct-drive gearbox 3 is connected with a hub internal spline of a torsional vibration damper 12, an output shaft 3-1 is connected with a drive axle 6 through a transmission shaft 4, the front end part of the direct-drive gearbox 3 is provided with a flange plate with a spigot, mounting holes are evenly distributed on the flange plate, the flange plate is arranged on the flywheel shell 5-13 of the diesel engine 5 through bolts, the direct-drive gearbox 3 is a novel direct-drive power gear shifting gearbox, a direction clutch is arranged in the direct-drive gearbox, the pressure of an electro-hydraulic proportional valve of the gearbox and the engaging time of the direction clutch can be controlled by using a set program, the gear shifting starting impact and the slope slipping of a road roller are avoided, the original clutch, an operation system, a clutch pedal and the like are eliminated, so that the direct-drive gearbox 3 of the diesel engine 5 directly drives the direct-drive gearbox 3 to perform power gear shifting, the road roller is driven to walk through the transmission shaft 4 and the drive axle 6, and the direct-drive gearbox 3 has the functions of three-gear speed and front-back reversing.

As shown in figure 1, the service brake mechanism is a conventional service brake mechanism of a road roller, the parking brake mechanism comprises a parking brake drum 2, a parking pull rod 15 and a flexible shaft, the parking brake drum 2 is arranged on the rear end side of an output shaft 3-1 of a direct-drive gearbox 3, so that the parking brake drum 2 is convenient to install, maintain and debug, the parking pull rod 15 is arranged on a support on a bottom plate of a cab 14, the parking pull rod 15 is connected with the parking brake drum 2 through the flexible shaft, when parking brake is needed, the parking pull rod 15 is operated to control the brake drum to act, the output shaft 3-1 of the direct-drive gearbox 3 stops power output, and the operation of stopping brake is simplified.

As shown in fig. 1 and 3, the operating mechanism of the present invention includes an operating handle 16 and a controller 9, the operating handle 16 is installed on an operating box panel on the right side of a seat in a cab 14, the operating handle 16 is a commercially available product, when the operating handle 16 is pushed forward or pulled backward from a middle position, forward and backward gear states are always maintained, and an accelerator is changed from small to large. The controller 9 of the utility model is installed on the rear frame 1 below the cab 14 through the damping pad, facilitate the wiring and maintenance operation, and have better operating convenience, the controller 9 has sealed outer cover, the outer cover is installed on the hinged plate support plate 1-1 of the rear frame through the damping pad, the controller 9 of the utility model has CAN communication and data processing function and has multiple input/output interface, the controller 9 CAN adopt the existing control processor, each button on the control handle 16 is connected with the corresponding port of the controller 9 through the data money for sending the operation information, each input/output interface on the controller 9 is connected with the corresponding port on the direct-drive gearbox 3 and the diesel engine 5 and the hydraulic system through the data line for communicating and controlling with the direct-drive gearbox 3, the diesel engine 5 and the vibration wheel 11, CAN be according to the position of the control handle 16, through adjusting the relevant procedure, and controlling the pressure of an electro-hydraulic proportional valve of the direct-drive gearbox 3, the gear speed switching speed, the size of an accelerator of the diesel engine 5 and the working state of a hydraulic system, and displaying related parameters on an instrument panel.

Referring to fig. 1 and 3, the control handle 16 of the present invention is provided with an upshift button 16-2, a downshift button 16-4, a hill button 16-1 and a vibration switch button 16-3. When the control handle 16 is in a neutral position and shifts gears, the rotation speed of the diesel engine is limited in an idling state through the program control of the controller 9; the gear shifting and smooth starting can be carried out at any throttle control speed (during traveling), the gear shifting up button 16-2 or the gear shifting down button 16-4 can be selected, and when the gear shifting up and down are completed, the rotating speed of the diesel engine smoothly transits to the speed set by the program of the position of the control handle 16 from high and idle speeds within 1-3 seconds. When hill starting is needed, the foot is needed to be stepped on for braking, the 1 st gear is selected, the hill button 16-1 is pressed, and the foot is released to quickly start. When the road roller starts on a slope, the electro-hydraulic proportional control output pressure of the gearbox is the largest, and the internal clutch is quickly combined, so that the road roller can be prevented from slipping on the slope. When the vibration switch button 16-3 is switched on, a vibration pump of the road roller works according to the amplitude set by the vibration switch, the hydraulic motor continuously moves under the action of hydraulic oil and drives the vibration mechanism to vibrate, and when the vibration switch is switched off, the vibration pump and the vibration mechanism stop working. The utility model adopts single handle operation, greatly reduces the operation intensity of users, improves the operation comfort, greatly improves the efficiency of reciprocating compaction, and effectively reduces the purchase and use cost of users.

Claims

1. The utility model provides a directly drive heavy vibrated roller, includes looks articulated preceding frame and back frame, installs the drive wheel on vibration wheel and the back frame on the frame in the front, and driver's cabin and covering are installed on the frame in the back, driver's cabin and covering in be equipped with drive mechanism, driving brake mechanism, parking brake mechanism and operating device, its characterized in that: a diesel engine for providing power for the road roller is inversely arranged on the rear frame, a cooling system is arranged on the rear frame and is positioned between the diesel engine and the cab, the transmission mechanism comprises a torsional vibration damper for transmitting power, a direct-drive gearbox for outputting a working gear, a transmission shaft and a drive axle, the torsional vibration damper is arranged on a flywheel of the diesel engine, the front end part of the direct-drive gearbox is arranged on a flywheel shell of the diesel engine, an input shaft of the direct-drive gearbox is connected with a hub internal spline of the torsional vibration damper, an output shaft of the direct-drive gearbox is connected with a drive axle through a transmission shaft, the parking brake mechanism comprises a parking brake drum, a parking pull rod and a flexible shaft, the parking brake drum is arranged on the rear end side of an output shaft of the direct-drive gearbox, the parking pull rod is arranged on a support on the cab bottom plate, and the parking pull rod is connected with the parking brake drum through the flexible shaft; the control mechanism comprises a control handle and a controller, the control handle is installed on a control box panel on the right side of a cab seat, the controller is installed on a rear frame below a cab through a damping pad, the controller has CAN communication and data processing functions and is provided with a plurality of input and output interfaces, each button on the control handle is connected with a corresponding port of the controller through a data line and used for sending operation information, and each input and output interface on the controller is connected with a corresponding port on the direct-drive gearbox, the diesel engine and the hydraulic system through a data line and used for communicating and controlling the direct-drive gearbox, the diesel engine and the hydraulic system.

2. The direct-drive heavy vibratory roller of claim 1, wherein: the torsional vibration damper comprises a driving disc, driven discs, a disc hub, a plurality of vibration reduction springs and auxiliary vibration reduction springs, wherein the driven discs are located on two sides of the driving disc, the driving disc and the two driven discs are provided with a plurality of spring vibration reduction windows, the vibration reduction springs and the auxiliary vibration reduction springs located in the vibration reduction springs are arranged at the corresponding spring vibration reduction windows and are respectively connected with the driving disc and the driven discs, the disc hub with an internal spline is fixedly riveted with the driven discs, the driving disc is detachably connected with a connecting ring plate, and the connecting ring plate is provided with a positioning hole and a threaded hole.

3. The direct-drive heavy vibratory roller of claim 1, wherein: the mounting base of the diesel engine is mounted on the rear frame through a shock absorber.

4. The direct-drive heavy vibratory roller of claim 1, wherein: and the control handle is provided with an upshift button, a downshift button, a ramp button and a vibration switch button.

5. The direct-drive heavy vibratory roller of claim 1, wherein: the controller has a sealed housing mounted on a hinged plate support of the rear frame by a damping pad.