FI12211U1 - Electric crane control system - Google Patents

Abstract

An electric crane control system for use as an electric control device for a hydraulic timber or piece cargo crane, characterized in that the electric crane control system consists of one or more mechanical lever systems (1), which are wired or wirelessly connected to a plurality of (3) the hydraulic valve (2) for actuating the hydraulic valve (2) for moving the hydraulic equipment of the timber or piece crane (3), the lever system (1) consists of electric control levers having movements and functions similar to those of a mechanical lever system. Additionally, protection requirements 2-4.

Description

ELECTRIC CRANE CONTROL SYSTEM

FIELD OF THE INVENTION

The invention relates to an electric crane control system for use as an electric control system for a hydraulic timber or piece cargo crane.

BACKGROUND OF THE INVENTION

In the past, crane steering has provided pre-guided solutions to improve ergonomics and steering capabilities. There are solutions on the market implemented with hydraulic pre-steering with a lever-like lever system or electro-hydraulic pre-steering where the crane is controlled by two electric joysticks with three functions each.

The disadvantage of the present technology is that the hydraulic pre-steering facilitates the ergonomic positioning of the control devices and reduces the forces required to turn the control levers, but the disadvantage of the present technology is that it is not possible to functionally reduce driver-specific adjustments such as travel speeds. It is not possible to reduce driver-specific adjustments such as travel speeds by function. In addition, the hydraulic pre-steering controls are relatively large in size and the associated pre-steering hoses further increase the space requirement and make it difficult to position the control devices in the control position structures. The pre-steering components and oil temperature monitor the hydraulic system temperature and the downside is that they overheat the crane cabin space or that the operator may get burned when touching heated components. Electronically controlled controls have only been available with joystick-based solutions, where all crane operations are controlled by hand-operated levers. These rigid systems typically have ample control system control options for motion and lever resolution and the ability to store driver-specific adjustments. The downside to joystick control is that it is difficult for drivers who are already accustomed to using a mechanically controlled crane to learn the new lever system actuator as an obstacle to the transition to an electronically controlled steering system.

PURPOSE OF THE INVENTION

It is an object of the invention that the crane control system makes the crane control easy. It is a further object that the electronic position of the steering control system be adjustable as desired, thereby improving the ergonomics of the control devices.

DESCRIPTION OF THE INVENTION

The above drawbacks can be overcome and the objects of the invention realized by an electric crane control system according to the invention, which is characterized in what is defined in the characterizing part of the protective claim 1. Preferred embodiments of the invention are the subject of dependent claims 2 to 4.

The main advantage of the invention is that the user, who is accustomed to mechanical control, is easy to learn and to start using an electrically driven crane, when the controls and the lever system are similar to those of the driver. That is, switching to an electrically controlled machine is easier than modern solutions. Compared to hydraulic pre-steering or mechanical steering, electric control provides better ergonomics, easier installation and control of the controls due to the smaller size of the electrical components. Electrically controlled steering system provides better control than other steering systems and driver-specific settings. In addition, installing highly heated components in the vicinity of the driver is avoided. The equipment of the invented electronic crane control system acts as a control device for a hydraulic timber or piece cargo crane, mimicking the lever systems of the mechanical crane control devices. In the case of the invention, the driver uses electric control levers and cams positioned in the same way as in the case of a mechanical control system. Generic versions of mechanical control devices are known as versions in which the boom is controlled by four linear levers and two pedals, two levers in the x-y direction and two pedals, or by five linear levers and one pedal. It is clear that the use of the invented electronic crane control system will result in overall economic savings in crane operation and improve ergonomics in crane operation.

LIST OF FIGURES

In the following, the invention will be described in detail with reference to the accompanying figure, in which Figure 1 shows an electrical crane control system according to the invention mounted on a timber truck with a timber crane, viewed from the side perpendicular.

DETAILED DESCRIPTION OF THE INVENTION

The present invention is not illustrated with reference to the related parts, but is a schematic representation illustrating the basic structure and operation of a preferred embodiment of the invention and its parts.

The following sections and sections are shown.

In the form of a lever guide ester 1 having a manual control lever la and a foot control lever Ib.

Hydraulic valve assembly 2.

Timber crane 3 with cabin 3a.

Vehicle cab 3b. Adjusting bracket 4.

The lever system 1 is secured to the crane control position, to the crane cab 3a or to the vehicle cab 3b by means of one or more adjusting mounting means 4 with positioning support. The adjusting attachment member 4 may be of the articulated arm with a lever system 1 mounted at its end. The pivot arms of the adjusting attachment member 4 are either locked by their frictional force by means of a clamping screw or by using a separate locking device with a few alternative positions or by a separate locking device supporting the pivot arm. The support device may be a telescopic arm with a guide device mounted at its end. The telescopic arm has one or more nested or parallel profiles that are locked together by a frictional clamping screw, or by using a separate locking device with a few alternative positions for position selection. The support device may also be a combination of a hinged and telescopic structure, for example having a telescopic arm at its base.

The figure shows an electric crane control system for use as an electrical control device for a hydraulic timber or piece cargo crane.

It has now been discovered that the electric crane control system consists of one or more mechanical lever systems 1, which are wired or wirelessly connected to one or more hydraulic valves 2, 3 or 3 1 consists of electric control levers having the same movement and functions of the control levers as in the mechanical control system. the vehicle

The lever system 1 has one or more manual control levers la.

The lever system 1 has one or more foot control levers Ib, or pedals.

The lever system 1 is fixed in one or more adjustable mounting means 4 to the cab 3a of the timber or piece cargo crane 3 or to the cab 3b of the vehicle. Joystick controls (joysticks) are familiar from the cab of a vehicle. utility model # FI7189 (U20060139).

The invented electric crane control system is made from cranes using materials known in the art and components.

The invention is not limited to the above example only, but many modifications are possible within the scope of the inventive ideas defined by the claims.

Claims (4)

PROTECTION REQUIREMENTS 1. Electrically operated crane system (1), hydraulic system (1), swivel system (1) and hydraulic system mounted (1) 2) video clamping system (3) clamping system (2), clamping system clamping system (2) clamping system clamping system (3) clamping system (1) clamping system, clamping system functioner business remainder som i et mekaniskt spakstyrsystem. An electric crane control system for use as an electrical control device for a hydraulic timber or piece cargo crane, characterized in that the electric crane control system consists of one or more mechanical lever systems (1), which are wired or wirelessly connected to one or more timber or block timber (1) the hydraulic valve (2) for actuating the hydraulic valve (2) for moving the hydraulic equipment of the timber or piece crane (3), the lever system (1) consists of electric control levers having movements and functions similar to those of a mechanical lever system. 2. The electrical installation system (1), the telescoping system (1) uppvisar en eller flera handstyrspakar (la). Electrical crane control system according to Claim 1, characterized in that the lever system (1) has one or more manual control levers (1a). 3. Electric shear system, shielding mechanism 1, rotating gear (1) uppvisar en eller flera fotstyrspakar (lb), det wool cat pedal. An electric crane steering system according to Claim 1, characterized in that the lever system (1) has one or more foot control levers (Ib) or pedals. Electrical crane control system according to Claim 1, characterized in that the lever system (1) is fixed in one or more adjustable mounting means (4) to the cab (3a) of the timber or luggage crane (3) or the cab (3b) of the vehicle. SKYDDSKRAV 4. Electric shielding system (1), rotating system (1), adjusting the regulator (4), adjusting the regulator (3), rotating (3a), rotating (3).