Abstract: The invention relates to a guide frame for guiding a cutting apparatus within a pipe incorporated into the ground, having a framework body which can be inserted into the pipe and comprises a guide, along which the cutting apparatus can be displaced, a bracing means for tensioning and fixing the framework body in the pipe, and an adjusting means, with which the cutting apparatus can be adjusted within the pipe in a transverse direction relative to the pipe axis. The invention further relates to a method for anchoring a pipe in the ground.

Abstract: The invention relates to a construction machine having a carrier unit, a boom mounted pivotably on the carrier unit, an erection support for erecting and/or holding the boom by means of a guy cable tensioned between the boom and the erection support, and a safety cable which can be tensioned along the boom for securing a user. A cable support with a first attachment point for the safety cable is arranged at a head end of the boom. A second attachment point for the safety cable is provided on the erection support. The safety cable can be tensioned between the first attachment point on the cable support and the second attachment point on the erection support along the boom.

Abstract: The invention relates to a guide frame for guiding a cutting apparatus within a pipe incorporated into the ground, having a framework body which can be inserted into the pipe and comprises a guide, along which the cutting apparatus can be displaced, a bracing means for tensioning and fixing the framework body in the pipe, and an adjusting means, with which the cutting apparatus can be adjusted within the pipe in a transverse direction relative to the pipe axis. The invention further relates to a method for anchoring a pipe in the ground.

Abstract: A cutting device for producing vertically running trenches in the ground includes a trench wall cutter which has a cutting frame, a first cutting wheel arrangement and a second cutting wheel arrangement. The cutting wheel arrangements are arranged adjacent to each other on the underside of the cutting frame in order to remove ground material underneath the cutting frame. The trench wall cutter has an adjusting mechanism, with which the first cutting wheel arrangement is adjustable in a direction lying obliquely underneath the second cutting wheel arrangement.

Abstract: The invention relates to a construction machine having a carrier unit, a boom mounted pivotably on the carrier unit, an erection support for erecting and/or holding the boom by means of a guy cable tensioned between the boom and the erection support, and a safety cable which can be tensioned along the boom for securing a user. A cable support with a first attachment point for the safety cable is arranged at a head end of the boom. A second attachment point for the safety cable is provided on the erection support. The safety cable can be tensioned between the first attachment point on the cable support and the second attachment point on the erection support along the boom.

Abstract: The invention relates to a cutting device for producing vertically running trenches in the ground, comprising a trench wall cutter which has a cutting frame, a first cutting wheel arrangement and a second cutting wheel arrangement, whereby the cutting wheel arrangements are arranged adjacent to each other on the underside of the cutting frame in order to remove ground material underneath the cutting frame. The invention is characterized in that the trench wall cutter has an adjusting means, with which the first cutting wheel arrangement is adjustable in a direction lying obliquely underneath the second cutting wheel arrangement.

Abstract: The invention relates to a vehicle, in particular a construction vehicle, comprising a detachable ballast weight, a lifting means for lifting the ballast weight from a set-down position into a mounting position on the vehicle and a support means having at least one extendable support foot. An especially compact construction is achieved in that for extension of the at least one support foot the support means has at least one positioning cylinder and that the at least one positioning cylinder is designed at the same time for lifting and lowering the ballast weight.

Abstract: The invention relates to a hose band connector for connecting hose band elements, which each comprise a plurality of hoses for lines arranged in a band or strip. The hose connector comprises a flange carrier with two connecting sides as well as fixing devices, with which the hoses are flanged to the connecting sides. According to the invention at least one receiving element for a plug-type connection between a first electric line and a second electric line is formed on the flange carrier.

Abstract: The invention relates to a vehicle, in particular a construction vehicle, comprising a detachable ballast weight, a lifting means for lifting the ballast weight from a set-down position into a mounting position on the vehicle and a support means having at least one extendable support foot. An especially compact construction is achieved in that for extension of the at least one support foot the support means has at least one positioning cylinder and that the at least one positioning cylinder is designed at the same time for lifting and lowering the ballast weight.

Abstract: The invention relates to a supply belt, in particular for the supply of a soil working device. The supply belt has at least one supply line and at least one segmental chain. This segmental chain is formed of a plurality of segments. In addition, holders are fixed to the at least one segmental chain for holding the at least one supply line. Furthermore, a supporting rope is provided, which is guided along the segmental chain in receiving spaces of the segmental chain.

Abstract: The invention relates to a gear unit, in particular for foundation engineering devices, comprising a gear housing and a pressure device for changing an internal pressure present in the gear housing. For a precise pressure balance to the environmental pressure it is intended that an active setting device is arranged which can be controlled by a control device in order to change the internal pressure. The invention further relates to a method for pressure balance related thereto.

Abstract: The invention relates to a winch comprising a drum, a rotary drum bearing, on which the drum is supported in a rotating manner, a supporting device, on which the rotary drum bearing is supported in a pivotable manner by means of at least one pivot joint, and an actuating drive for the active pivoting of the drum. The pivot axis extends inside the drum and the actuating drive is arranged at least partially inside the drum.

Abstract: The invention relates to a hose band connector for connecting hose band elements, which each comprise a plurality of hoses for lines arranged in a band or strip. The hose connector comprises a flange carrier with two connecting sides as well as fixing devices, with which the hoses are flanged to the connecting sides. According to the invention at least one receiving element for a plug-type connection between a first electric line and a second electric line is formed on the flange carrier.

Abstract: The invention relates to a foundation construction device for producing trenches in the soil comprising a frame, at least one soil-removing device arranged on the frame and a control device for controlling the foundation construction device in the trench, wherein the control device has at least one control body which can be adjusted between an inoperative position and a projecting control position in order to rest on a wall of the trench. Provision is made for the control body to be adjusted into a first projecting control position on a first side of the frame or into a second projecting control position on a second side of the frame that lies opposite the first side of the frame.

Abstract: The invention relates to a foundation construction device for making trenches in the soil comprising a frame, on which a soil-removing tool is arranged, and a control device for aligning the foundation construction device in the trench having two control flaps, which are supported pairwise opposite each other on the frame, and having at least one extendable and retractable guide wheel arranged on the frame.

Abstract: The invention relates to a winch comprising a drum, a rotary drum bearing, on which the drum is supported in a rotating manner, a supporting device, on which the rotary drum bearing is supported in a pivotable manner by means of at least one pivot joint, and an actuating drive for the active pivoting of the drum. The pivot axis extends inside the drum and the actuating drive is arranged at least partially inside the drum.

Abstract: The invention relates to a winch device with a first winch having a first winch drum and a second winch having a second winch drum. There is also a synchronizing device through which a rotation of the first winch drum can be synchronized with the rotation of the second winch drum. Further, a differential shaft with a first synchronous wheel and a second synchronous wheel is provided, said first synchronous wheel being connected via a first rotary connection device to a first drive and the second synchronous wheel is connected via a second rotary connection device to the second drive.

Abstract: The invention relates to a trench cutter comprising at least two cutting wheels or pairs of cutting wheels, whose axes of rotation are offset from each other. A forced synchronization is achieved in accordance with the invention in that a single drive motor is provided which jointly drives the at least two cutting wheels or pairs of cutting wheels by means of a gear arrangement.

Abstract: The invention relates to a foundation construction device for producing trenches in the soil comprising a frame, at least one soil-removing device arranged on the frame and a control device for controlling the foundation construction device in the trench, wherein the control device has at least one control body which can be adjusted between an inoperative position and a projecting control position in order to rest on a wall of the trench. Provision is made for the control body to be adjusted into a first projecting control position on a first side of the frame or into a second projecting control position on a second side of the frame that lies opposite the first side of the frame.

Abstract: The invention relates to a winch device with a first winch having a first winch drum and a second winch having a second winch drum. There is also a synchronizing device through which a rotation of the first winch drum can be synchronized with the rotation of the second winch drum. Further, a differential shaft with a first synchronous wheel and a second synchronous wheel is provided, said first synchronous wheel being connected via a first rotary connection device to a first drive and the second synchronous wheel is connected via a second rotary connection device to the second drive.