Abstract: A ground processing machine includes a rear carriage with an internal combustion engine, respectively at least one drive wheel to both sides of the internal combustion engine, a driver cabin arranged offset relative to the internal combustion engine in the longitudinal direction of the machine, a fuel tank for fuel to be supplied to the internal combustion engine, an additive substance tank, and a hydraulic fluid tank. The additive substance tank is arranged following a drive wheel in the longitudinal machine direction, and next to the drive wheel in a transversal machine direction.
Type:
Grant
Filed:
December 16, 2015
Date of Patent:
February 26, 2019
Assignee:
Hamm AG
Inventors:
Thomas Bletscher, Gerd Koestler, Martin Fischer, Michael Zimmerer, Thomas Bauer
Abstract: A fastening device for hoses including two fastening parts two fastening parts adapted to be joined with each other and each having at least one recess which, in the joined state of the fastening parts, form at least one passage for at least one hose. The fastening parts are each formed by a fastening body with an elastic fastening component, wherein the fastening body has a lower elasticity than the elastic fastening component. The elastic fastening component respectively forms a recess surface in the recess. The elastic fastening component is molded to the fastening body to form a chemical bond with the same.
Abstract: A drive system, in particular for a self-propelled construction machine, in particular a soil compactor, comprising an internal combustion engine comprising a drive unit, at least one hydraulic circuit with a hydraulic pump that can be driven by the drive unit, as well as a hydraulic-drive support unit with a hydraulic pump/motor assembly and at least one pressure fluid reservoir, wherein the hydraulic pump/motor assembly is or can be drivingly coupled with the drive unit or/and at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode by the drive unit or/and at least one hydraulic circuit as a pump to charge at least one pressure fluid reservoir and be operated in an drive support operating mode as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, characterized in that the hydraulic pump/motor assembly can be operated in a recirculation operating mode as a motor to start the drive unit.
Type:
Grant
Filed:
December 18, 2014
Date of Patent:
August 28, 2018
Assignee:
HAMM AG
Inventors:
Andreas Röhr, Thomas Henker, Ronny Pieske
Abstract: A soil compactor, including at least one compactor roller, which is free to rotate about an axis of rotation of the roller, with a plurality of roller segments, which follow one another along the direction of the axis of rotation of the roller, wherein, in each case, at least one electromotive drive for producing an oscillating torque is assigned to each roller segment.
Abstract: In a seat for a construction machine, comprising a seat console, a device for lateral displacement of the seat in a transverse direction relative to the direction of travel of the construction machine, and a seat rotating device, it is provided that a stop limiter device is operative to limit the maximum allowable rotational angle of the seat in a variable manner, each time in dependence on the set position of the lateral displacement of the seat.
Abstract: A soil compactor comprises at least one compacting roller (18, 22) rotatable about an axis of rotation, a temperature detecting device (42) for providing temperature information representing a temperature of a substrate (U1, U2, U3) in the area of the soil compactor (10), a sprinkling device (24, 28) assigned to at least one compacting roller (18, 22) for sprinkling this compacting roller (18, 22) with fluid, and a control device (40) for controlling at least one sprinkling device (24, 28) and/or for generating a sprinkling indicator on the basis of the temperature information.
Abstract: A drive system, in particular for a self-propelled construction machine, in particular a soil compactor, comprises a drive unit, at least one hydraulic circuit with a hydraulic pump driven by the drive unit, a hydraulic drive support unit with a hydraulic pump/motor assembly, and at least one pressure fluid reservoir, wherein the hydraulic pump/motor assembly is, or can be, drivingly coupled with the drive unit and/or at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode by the drive unit and/or at least one hydraulic circuit as a pump to charge at least one pressure fluid reservoir, and be driven in a drive support operating mode as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, characterized in that the hydraulic pump/motor assembly is operated in a recirculation operating mode as a pump to convey fluid out of a fluid reservoir and into a fluid reservoir.
Type:
Grant
Filed:
December 17, 2014
Date of Patent:
June 12, 2018
Assignee:
Hamm AG
Inventors:
Andreas Röhr, Thomas Henker, Ronny Pieske
Abstract: A method for planning and implementation of soil compacting processes using at least one soil compactor resulting in an efficient use of compactors and an improved compacting result. Under the method, a base region (B) to be compacted is defined, the relevant aspects of a soil compacting process are planned, and only then is the process implemented by moving at least compactor in the base region (B), according to the plan. The plan for the soil compacting process may include the quantity and course of compactor passes in the base region.
Abstract: Soil compactor including a compaction drum rotatably supported by a compaction roller frame, wherein the compaction drum frame comprises two longitudinal members arranged in a direction longitudinal to the compactor on both sides of the compaction roller and supporting said compaction roller, and, connecting the two longitudinal members together, two cross members arranged in a direction perpendicular to the compactor and along both sides of the compaction roller, wherein the compaction roller frame is connected to a compactor main frame via one of the two cross members, and wherein at least one sight opening is provided within the other of the two cross members.
Type:
Grant
Filed:
April 18, 2017
Date of Patent:
March 13, 2018
Assignee:
Hamm AG
Inventors:
Thomas Bletscher, Gerd Köstler, Axel Römer
Abstract: A device for detecting the motion of a rotatable compactor roller about a compactor roller axis of rotation includes at least one motion sensor and an energy supply for the at least one motion sensor. The energy supply includes a generator having a stator and a rotor rotatable about a rotor axis of rotation with respect to the stator.
Abstract: A self-propelled construction device, in particular a soil compactor, includes a turbocharged diesel engine with a first radiator arrangement for cooling charge air and a second radiator arrangement for cooling a cooling liquid and/or hydraulic oil, with a first radiator fan being allocated to the first radiator arrangement and a second radiator fan being allocated to the second radiator arrangement and the first radiator fan and the second radiator fan being able to be operated essentially independently from each other.
Type:
Grant
Filed:
March 7, 2012
Date of Patent:
November 21, 2017
Assignee:
HAMM AG
Inventors:
Andreas Roehr, Thomas Bletscher, Michael Zimmerer
Abstract: In a self-propelling road construction machine, particularly a road roller (1), comprising a travel drive, a steering device, a control device (30) for the travel drive and the steering device, and a driver's seat (5) rotatable by at least 180° and including an integrated operating element (8) for the vehicle speed, with the operating element (8) generating the control signals for the travel drive in dependence on the direction of the control movement of the operating element (8) or the direction of force application on the operating element (8), it is provided that, in response to a first switching command, the control device (30) will automatically perform a reversing process comprising deceleration, seat rotation, change of direction of travel, and acceleration to the set vehicle speed in opposite direction to the original direction of travel.
Type:
Grant
Filed:
January 21, 2015
Date of Patent:
October 3, 2017
Assignee:
Hamm AG
Inventors:
Detlef Bornemann, Axel Roemer, Gerhard Mahler, Andreas Baumann
Abstract: A ground preparation machine, in particular a compactor, comprises at least one roller (16) rotatable around an axis of rotation of the roller (A) and, attached to the at least one roller (16), at least one scraper device (36, 38) for scraping off material adhering to the outer peripheral region (26) of the roller (16), wherein the scraper device (36, 38) comprises a scraper bar (40) extending along the roller (16), the scraper bar (40) being designed to provide a first scraper region (58) for scraping off material from a roller having an essentially untextured outer peripheral region (26) and to provide a second scraper region (66) for scraping off material from a roller having a textured outer peripheral region (26).
Abstract: Device to determine a size of contact representing a contact state between a compactor roller and a substrate to be compacted, encompassing a compactor roller rotatable in at least one acquisition circumference area around a compactor roller axis and at least one contact sensor generating a contact signal, wherein the contact signal indicates a contact start and a contact end of an acquisition circumference area upon the substrate to be compacted.
Type:
Grant
Filed:
October 16, 2014
Date of Patent:
May 16, 2017
Assignee:
HAMM AG
Inventors:
Sebastian Villwock, Werner Völkel, Fritz Kopf
Abstract: A method to determine a slip state of the compactor roller of a soil compactor caused by an oscillation motion of a compactor roller, comprising the steps: a) Preparation of an acceleration quantity related to the oscillation motion of the compactor roller b) Based on the acceleration quantity, preparation of an acceleration frequency spectrum, c) Based on the acceleration frequency spectrum, determining the slip state of the compactor roller.
Type:
Grant
Filed:
February 25, 2015
Date of Patent:
May 9, 2017
Assignee:
HAMM AG
Inventors:
Johannes Pistrol, Fritz Kopf, Werner Völkel, Sebastian Villwock