Torque transfer device for cross-belt sortation vehicle

Abstract

A torque transmission device (1) for a cross-belt sorter (200) comprising a cross-belt (210). The torque transmission device (1) comprises a rotatable drive end (10) configured to be coupled to a drive device (13, 120) to drive the cross-belt (210) of the cross-belt sorter (200). A rotatable cross-belt end (20) is configured to be coupled to the cross-belt (210) of the cross-belt sorter (200). A non-rotatable support (30) is configured to be fixed to the cross-belt sorter (200). A coupling device (40) connects the drive end (10) to the cross-belt end (20) at the support (30). The coupling device (40) allows to transmit a drive torque originating from the rotating drive end (10) to the cross-belt end (20) and to suppress a belt torque originating from the rotating cross-belt end (20).

Description

Technical Field

[0001] The present invention relates to a torque transmission device for a cross-belt sorting cart, a cross-belt sorting cart for a cross-belt sorting machine, and a torque transmission method in a cross-belt sorting cart. Background Technology

[0002] US 6,273,268 B1 discloses a conveyor system for sorting goods. The disclosure is incorporated herein by reference in its entirety. The conveyor system is also known as a cross-belt sorter. A cross-belt sorter comprises multiple vehicles, so-called cross-belt sorting cars, which are connected to each other like freight cars on a train. The cross-belt sorter provides a conveyor path along which the cross-belt sorting cars are driven, and this conveyor path defines the direction of transport along the conveyor path of the cross-belt sorting cars.

[0003] Each cross-belt sorting vehicle includes a cross-belt arranged with its upper surface facing upwards for transporting goods thereon. The upper surface of the cross-belt is arranged in a substantially horizontal plane. The cross-belt can be driven in a direction substantially perpendicular to the conveying direction. Therefore, when facing the conveying direction, any goods arranged on the cross-belt can be unloaded and / or unloaded from the cross-belt to the left and / or right. As the cross-belt sorting vehicle passes a predetermined unloading position, the goods can be unloaded, for example, to a predetermined side.

[0004] Known cross-belt sorting vehicles include an electric motor as a drive device that drives the cross belt when receiving and / or unloading goods. Since providing its own electric motor for each cross-belt sorting vehicle is expensive, US 6,273,268 B1 discloses a method for mechanically driving a cross belt. In this method, a static actuation device, particularly a lever arm, extending along the conveyor path is controlled to mechanically contact a friction wheel arranged at each cross-belt sorting vehicle driving the cross belt. At each unloading station, the lever arm can be positioned outside the path of the friction wheel of the passing cross-belt sorting vehicle. Therefore, the friction wheel is not driven, and the goods are further transported in the idle position of the cross-belt sorting vehicle. The actuation device at the unloading station can be selectively moved into the path of the friction wheel of the passing cross-belt sorting vehicle (drive position). This causes the friction wheel of the cross belt driving the cross-belt sorting vehicle to rotate, thereby unloading the goods to the side and into the unloading station.

[0005] For known cross-belt sorters, problems arise whenever one of the cross-belt sorting trolleys is driven at high speed along a curve. The cross-belt sorting trolleys need to be driven at relatively high speeds because they can quickly sort goods and thus improve performance. However, inertia and / or centrifugal force can cause problems whenever the cross-belt sorting trolley travels along a curve. Especially when conveying heavy items, centrifugal force can cause the goods to accelerate outwards from the curve. The goods can then accelerate the cross-belt, causing them to fall to the side of the cross-belt sorting trolley while being driven at high speed along the curve of the conveyor path.

[0006] The aforementioned problems may occur on cross-belt sorting vehicles that include different types of drive equipment (such as electric motors, engines, and / or mechanical drive equipment).

[0007] US 7,987,963 B2 discloses another cross-belt sorting machine, where the actuation of the cross belts is accomplished by a movable drive belt. The drive belt is driven at a significantly higher speed than the drive speed of the cross belt trolley. The cross belt is driven based on the drive belt speed relative to the drive speed of the cross belt trolley. Therefore, setting up a worm gear drive results in a significant loss of speed in the belt drive, and also a significant loss of drive power. Due to the huge reduction in speed caused by the worm gear drive, this type of drive for the equipment is incompatible with the static actuation devices (particularly lever arms) used in US 6,273,268 B1.

[0008] The purpose of this invention is to improve the performance of cross-belt sorters, and in particular to increase the conveying speed of cross-belt sorters. Summary of the Invention

[0009] One aspect relates to a torque transmission device for a cross-belt sorting cart including a cross-belt. The torque transmission device includes a rotatable drive end configured to couple to a drive device for driving the cross-belt of the cross-belt sorting cart. A rotatable cross-belt end is configured to couple to the cross-belt of the cross-belt sorting cart. A non-rotatable support is configured to be fixed to the cross-belt sorting cart. A coupling device connects the drive end to the cross-belt end at the support. The coupling device allows drive torque originating from the rotatable drive end to be transmitted to the cross-belt end and suppresses belt torque originating from the rotatable cross-belt end. Specifically, the coupling device can suppress the transmission of said belt torque to the drive end.

[0010] The torque transmission device may be set and / or arranged as part of the cross-belt sorting carriage of the cross-belt sorter, such that it moves together with the cross-belt sorting carriage along the conveyor path of the cross-belt sorter.

[0011] A cross-belt sorting vehicle includes a cross belt arranged in an infinite loop, which crosses a reversing roller located on the lateral side of the cross-belt sorting vehicle. The cross belt can be driven to rotate about the reversing roller, thereby accelerating goods arranged on the upper surface of the cross belt in a direction transverse to the conveying direction of the cross-belt sorter. The conveying direction can be defined as the direction in which the cross-belt sorting vehicle travels along a conveying path provided by the cross-belt sorter. Driven movement of the cross belt may be desired when goods are loaded onto and / or unloaded from the cross-belt sorting vehicle.

[0012] The torque transmission device comprises two ends: a drive end and a cross belt end. Both ends are rotatable and can therefore be rotatably arranged on a cross belt sorting cart. The drive end can be coupled to a drive device that drives the cross belt. For example, the drive end can be coupled to a friction wheel of the cross belt sorting cart and / or it can even be configured as a friction wheel. Alternatively, the drive end can be coupled to a motor as a drive device. The cross belt end can be coupled to the cross belt, for example, to a belt driver, such as a belt drive roller that accelerates the cross belt. The cross belt end can even be configured as part of a belt driver, for example, as a cylinder of a belt drive roller.

[0013] The rotation of the drive end is driven by the drive unit of the cross-belt sorting cart (e.g., an electric motor, engine) or by a lever arm of a mechanically contacting friction wheel. The latter is constructed similarly to that disclosed by Axmann in US 6,273,268 B1, mentioned in the introduction. The drive unit generates drive torque. The coupling device is configured to allow the drive torque to be transmitted from the rotating drive end to the cross-belt end. Therefore, whenever the drive end rotates, the cross-belt end also rotates. The cross-belt end can be coupled to the cross-belt, thereby driving the cross-belt of the cross-belt sorting cart.

[0014] A non-rotatable support with a coupling device can be connected to the frame of the cross-belt sorting cart, which at least prevents the support from rotating relative to the cross-belt sorting cart. In practice, the support can be statically fixed to the cross-belt sorting cart, so that it moves only with the cross-belt sorting cart but not relative to it.

[0015] The coupling device can be connected to and / or coupled to both the drive end and the crossover end. The coupling device can be positioned between the drive end and the crossover end, and it can be configured as a connector between them. Therefore, the drive end can be coupled to the crossover end via the coupling device, and vice versa.

[0016] Centrifugal force can act on the cross belt along the curve of the conveyor path, particularly when the load and / or cargo are positioned on the upper surface of the cross belt. The cross belt can then accelerate in a direction away from the curve. This can cause the cross belt ends to rotate, providing belt torque to the coupling device. This belt torque is undesirable, and torque transmission devices are configured to reduce and / or suppress and / or even eliminate it. The coupling device prevents belt torque, such that the belt torque originating from the rotating cross belt ends is suppressed and, for example, not transmitted to the drive end.

[0017] To suppress belt torque, a coupling device is arranged at the support. The coupling device can be connected to and / or fixed relative to the support, thereby reducing and / or suppressing rotation at the cross-belt end and preventing the transmission of belt torque. Furthermore, the coupling device remains substantially fixed to the support, thus substantially reducing the belt torque. In this configuration, the coupling device provides a braking function to the cross-belt, preventing it from moving when driven by centrifugal force and / or inertia. The coupling device of the torque transmission mechanism ensures that the cross-belt is driven only by the drive device coupled to the drive end, and not whenever the cross-belt itself is pulled and / or pushed.

[0018] The coupling device is positioned on a non-rotatable support such that it does not move relative to the support only when torque is applied to it. However, whenever drive torque is applied to the coupling device, it can be at least partially separated from the support, allowing the coupling device to follow the rotation of the rotating drive end and to transmit the drive torque to the crossover end.

[0019] In other words, the coupling device can be arranged in at least two different states and / or attachment positions. In the fixed state and / or attachment position, the coupling device is substantially fixed relative to the support. In this position, the coupling device cannot rotate relative to the support and does not transmit any torque. In fact, suppressing the transmission of belt torque may result in complete suppression of rotation at the cross-belt ends. In the at least partially separated and / or free state and / or attachment position, the coupling device can rotate at least partially relative to the support.

[0020] The coupling device can reversibly move from a fixed state and / or attached position to at least a partially separated and / or free state and / or attached position, and vice versa. The state and / or attached position of the coupling device can be controlled and / or triggered by whether or not a drive torque or a torque is provided to the coupling device.

[0021] Therefore, the coupling device can transmit drive torque to the crossover end. The coupling device can be configured to suppress any undriven rotation at the crossover end and / or rotation caused by any drive torque originating from the rotating drive end.

[0022] In the separated state and / or attached position, the coupling device allows reliable driving of the cross belt and thus allows reliable loading and / or unloading of goods to be sorted.

[0023] In a fixed and / or attached position, the coupling device suppresses rotation at the ends of the crossbelt and thus provides a disconnect function for the crossbelt. This sorting function allows the crossbelt sorting cart to be driven at high speed along the curve of the conveyor path without losing goods due to centrifugal force. This enables faster sorting of goods along more complex, curved conveyor paths and / or improves the performance of the crossbelt sorter.

[0024] According to an embodiment, the torque transmission device is adapted to allow drive torque originating from a rotating drive end to be transmitted to the cross belt end in a manner that causes the drive end to rotate at the same speed as the cross belt end. This facilitates connection between the two ends without significant power loss in the transmission.

[0025] According to an embodiment, the coupling device allows at least 80% of the drive torque originating from the rotating drive end to be transmitted to the cross-belt end, and suppresses at least 80% of the torque originating from the rotating cross-belt end from being transmitted to the drive end. The transmission of at least 80% of the drive torque, rather than 100%, may be caused by a gap required for switching between different states and / or attachment positions of the coupling device relative to the support. However, the coupling device is configured to transmit the majority of the drive torque to the cross-belt end and suppress most of the belt torque to ensure reliable drive and disconnection functionality.

[0026] According to an embodiment, the coupling device includes a force element that is press-fitted to a support. The force element can be press-fitted to the support via friction. The press-fit establishes a fixed state and / or attached position for the coupling device. As long as torque is applied to the force element, the press-fit is strong enough to prevent rotation of the force element relative to the support. Furthermore, it can be press-fitted to the support as long as no torque is applied to the coupling device and / or force element. However, whenever a driving torque is applied to the coupling device and / or force element, the press-fit will be at least weakened, even if it does not completely disengage.

[0027] In a further development of this embodiment, the force element is configured as a spring element, such as a torsion spring. When no torque or only a torque is applied to the spring element, the spring element can be fixed relative to the support, and the spring element can deform whenever a driving torque is applied to the spring element, thereby at least weakening the compression fit.

[0028] According to an embodiment, the drive torque originating from the rotating drive end at least weakens the press-fit upon which the force element is fixed to the support. This weakened press-fit can establish a at least partially separated and / or free state and / or attached position for the coupling device. This allows the force element and / or coupling device to move relative to the support. Therefore, both the drive end and the crossband end can rotate relative to the support along with the coupling device.

[0029] According to a further development of this embodiment, the drive end includes an engagement drive element that engages a force element such that torque originating from the rotating drive end at least weakens the press-fit, wherein the force element is fixed to the support. Here, the engagement drive element may be configured as a protrusion engaging the force element. The engagement drive element may be coupled to the drive end and / or configured as a portion of the drive end that rotates together with the drive end. At least when drive torque is provided, the engagement drive element may be in mechanical contact with the force element. When no drive torque is provided, the engaged drive element does not need to be in mechanical contact with the force element. The weakened press-fit results in at least a partially separated and / or free state and / or attached position and allows the force element to move relative to the support.

[0030] According to an embodiment, the belt torque originating from the rotating belt end enhances the press-fit upon which the force element is fixed to the support. Therefore, whenever the cross belt is pulled and / or pushed, this force causing the belt torque further enhances the press-fit, preventing the force element from moving relative to the support. This strengthens the suppression of belt torque, thereby stopping the movement of the cross belt.

[0031] According to a further development of this embodiment, the cross belt end includes an engaging belt element that engages the force element, such that the belt torque originating from the rotating belt end enhances the press fit, wherein the force element is fixed to the support. The engaging belt element may be configured as a protrusion. It may be in mechanical contact with the force element, at least when providing belt torque. The engaging belt element may be connected to the belt end and / or may be configured as part of the cross belt, such that any rotation of the cross belt end causes rotational movement of the engaging belt element.

[0032] According to an embodiment, the support includes a through-hole and / or a hollow cylindrical element. A rotatable element at the cross-belt end or drive end is rotatably mounted within the through-hole and / or cylindrical element. Furthermore, a rotatable element at the drive end or cross-belt end is rotatably mounted about the through-hole and / or cylindrical element. The through-hole and / or cylindrical element can be statically fixed relative to the cross-belt sorting cart. A first rotatable element at the cross-belt and / or drive end is rotatably mounted within the through-hole and / or cylindrical element, and a second rotatable element at the other of the drive and / or cross-belt ends is rotatably mounted about the through-hole and / or cylindrical element. Coupling devices are adjacent to the through-hole and / or cylindrical element such that they inhibit rotation of the drive end and cross-belt end as long as belt torque is applied to the coupling devices. However, when drive torque is provided to the coupling devices, the coupling devices allow rotation of both the drive end and the cross-belt end.

[0033] According to an embodiment, the support includes a shaft and / or mandrel, particularly a shaft with a drive roller, and the drive end and / or cross belt end are rotatably mounted about said shaft. Here, the coupling device can be fixed and detached relative to both the drive end and the cross belt end about the axis in which they are rotatably mounted. This shaft can particularly be configured as a shaft with a drive roller. The drive roller drives the cross belt and is therefore responsible for its movement. This configuration is advantageous because related elements such as the drive end, the cross belt end, and the coupling device can be arranged precisely where they are most needed. Therefore, this configuration can reduce the required installation space.

[0034] According to an embodiment, the drive end is rotatable about a drive rotation axis, and the rotation of the drive end about the drive rotation axis provides drive torque to the coupling device. Generally, the drive rotation axis of the cross-belt sorting cart can be arbitrarily arranged. However, the drive rotation axis is preferably arranged substantially vertically or horizontally. The rotation of the drive end about the drive rotation axis can be caused by the drive device of the cross-belt sorting cart and / or the cross-belt sorter. The corresponding drive torque is provided to and acts on the coupling device. The coupling device transmits the drive torque to the cross-belt end.

[0035] According to an embodiment, the crossbelt end is rotatable about a belt rotation axis, and the rotation of the crossbelt end about the belt rotation axis provides belt torque to the coupling device. Typically, the belt rotation axis can be arranged arbitrarily. Preferably, the belt rotation axis is arranged substantially horizontally or substantially vertically. Because the crossbelt is capable of conveying goods in a substantially horizontal direction and substantially perpendicular to the conveying direction of the crossbelt sorter, the belt rotation axis can also be arranged substantially horizontally through the crossbelt sorting cart. However, the rotational movement of the crossbelt about any rotating roller can also be converted to another rotational direction, for example, a substantially vertical direction.

[0036] According to an embodiment, the drive rotation axis is substantially aligned with the belt rotation axis that forms a common rotation axis. This arrangement helps to reduce torque loss, for example, through friction caused by the change in torque direction. In effect, this allows the drive torque to be transmitted directly to the cross belt end, thereby reducing potential losses.

[0037] The common axis of rotation can be arranged to pass through the through-hole and / or to be aligned with the axis of the support. Alternatively or additionally, the common axis can be aligned substantially vertically or horizontally.

[0038] According to an embodiment, the drive end includes and / or is coupled to a rotatable friction wheel, wherein rotation of the friction wheel provides drive torque for driving the cross belts of the cross-belt sorting cart. In fact, the drive end can be configured as the friction wheel of the cross-belt sorting cart. Thus, rotation of the friction wheel, for example, caused by the lever arm of the cross-belt sorter, generates drive torque. The drive end includes a friction wheel, or can be coupled to the friction wheel, for example, via a gear such as a bevel gear.

[0039] According to an embodiment, the cross belt end includes and / or couples to a belt drive roller of the cross belt that drives the cross belt sorting vehicle. The belt drive roller may be in mechanical contact with the cross belt. The cross belt end may surround the belt drive roller, particularly its cylinder, or it may be coupled to the belt drive roller, particularly its cylinder. The coupling may be provided by gears, such as bevel gears.

[0040] One aspect relates to a cross-belt sorting vehicle, comprising: a frame; a cross belt movably mounted relative to the frame; a drive device that drives the cross belt to move; and a torque transmission device according to the foregoing aspect.

[0041] The torque transmission device has a rotatable drive end coupled to a drive unit. The rotatable crossbelt end of the torque transmission device is coupled to a crossbelt. A non-rotatable support for the torque transmission device is fixed to the frame of the crossbelt sorting cart. The coupling device connects the drive end to the crossbelt end at the support, allowing drive torque originating from the rotatable drive end to be transmitted to the crossbelt end. Furthermore, the coupling device suppresses belt torque originating from the rotatable crossbelt end. Therefore, the coupling device can suppress belt torque transmission to the drive end.

[0042] The drive unit can be an electric motor and / or engine of a cross-belt sorting vehicle. Alternatively, the drive unit can be a friction wheel, which can be driven by a lever arm of the cross-belt sorter to rotate and generate drive torque. The drive end of the torque transmission device can even be configured as a friction wheel.

[0043] The cross belt end can be coupled to the cross belt directly or through one or more other components. For example, the cross belt end can be coupled to the cross belt through mechanical contact with the cross belt, or it can be coupled to a gear such as a bevel gear, which, for example, converts and / or transmits the drive torque to the belt drive roller that drives the cross belt.

[0044] The coupling devices can be fixed to the support so that they do not move relative to the support when no torque is provided or only torque is provided. However, whenever drive torque is generated, the coupling devices can become at least partially disengaged from the support to enable the transmission of drive torque.

[0045] Since cross-belt sorting vehicles may include torque transmission devices according to the foregoing aspects, the description of torque transmission devices also applies to cross-belt sorting vehicles, and vice versa.

[0046] One aspect relates to a cross-belt sorting machine comprising at least one of the aforementioned cross-belt sorting vehicles.

[0047] On the other hand, a method for transmitting torque in a cross-belt sorting vehicle including a cross-belt is provided, the method comprising the following steps:

[0048] The rotatable drive end of the torque transmission device is coupled to the drive unit for driving the cross belt of the cross belt sorting vehicle;

[0049] The rotatable cross belt end of the torque transmission device is coupled to the cross belt of the cross belt sorting vehicle;

[0050] Secure the non-rotatable support to the cross-belt sorting cart.

[0051] The drive end is connected to the cross belt and support member via a coupling device that transmits torque.

[0052] Allows torque from the rotating drive end to be transmitted to the cross belt end; and

[0053] Suppress belt torque originating from the rotating cross belt ends.

[0054] This method can be implemented in torque transmission devices, cross-belt sorting carts, and / or cross-belt sorters according to any of the foregoing aspects. Therefore, the description of the foregoing aspects also applies to this method, and vice versa.

[0055] Here, the terms up, down, below, and above refer to the Earth's frame of reference in the installation location of the subject.

[0056] The numbers and / or angles given in the claims and specification are not limited to exact numbers and / or angles, but may include measurement errors within limits that still resolve the potential problem.

[0057] The conveying direction is generally horizontal along the conveying path of the cross-belt sorting cart of the cross-belt sorter. It may include curves and / or inclinations along the conveying path.

[0058] Lateral is generally considered to be a direction that is basically perpendicular to the direction of transmission and essentially horizontal. It can refer to the right and left sides of the transmission path.

[0059] The invention will be further described with reference to the embodiments shown in the accompanying drawings. Embodiments of the invention are described with reference to the accompanying drawings. Features of the embodiments shown in the drawings can be combined with alternative embodiments. The same reference numerals can identify the same or similar features of the embodiments. Attached Figure Description

[0060] Figure 1 This is a top view of an embodiment of a cross-belt sorting machine.

[0061] Figure 2 This is an embodiment of a cross-belt sorting vehicle. Figure 1 The sectional view of the lines shown.

[0062] Figure 3A This is a cross-sectional view of an embodiment of a torque transmission device for a cross-belt sorting vehicle, wherein torque is transmitted along a vertical axis.

[0063] Figure 3B yes Figure 3A A perspective view of a portion of the torque transmission device.

[0064] Figure 3C yes Figure 3A and Figure 3B A perspective view of the coupling device of the torque transmission device.

[0065] Figure 4 yes Figures 3A to 3C An exploded perspective view of the torque transmission device.

[0066] Figure 5A is a perspective view of an embodiment of a coupling device configured with a torsion spring including an inner curved end.

[0067] Figure 5B is a perspective view of an embodiment of a coupling device configured with a torsion spring including an outwardly bent end.

[0068] Figure 6 It is a 3D diagram of the gears of a cross-belt sorting vehicle, in which the gears convert the vertical torque provided by the friction wheel into the horizontal torque of the drive roller.

[0069] Figure 7A This is a side view of an embodiment of a torque transmission device for a cross-belt sorting vehicle, wherein torque is transmitted along a horizontal axis.

[0070] Figure 7B yes Figure 7AA side sectional view of the torque transmission device.

[0071] Figure 8 yes Figure 7A and 7B A perspective view of the coupling device of the torque transmission device. Detailed Implementation

[0072] Figure 1 This is a top view of an embodiment of a cross-belt sorter 100. The cross-belt sorter 100 includes a plurality of cross-belt sorting carts 200 that travel in a closed loop as a conveying path in the conveying direction. Figure 1 Compared to the schematically shown form, closed loops can have more complex forms. For example, a closed loop may include a cross-belt sorting vehicle 200 traveling along additional curves and / or ramps.

[0073] Instead of the so-called "horizontal" cross-belt sorter 200 with a closed loop, the cross-belt sorter can be configured as a so-called "vertical" cross-belt sorter, which includes a lower roller conveyor in which the cross-belt sorting cart is transported back and forth inverted, similar to that mentioned in US6,273,268 B1 above.

[0074] Figure 2 A cross-sectional view of an embodiment of a cross-belt sorting cart 200 is shown. This cross-sectional view may, for example, be... Figure 1 The cross-sectional view is indicated by the marker lines. The cross-belt sorting cart 200 includes a plurality of guide rollers 220 that roll along guide rails 130 of the cross-belt sorter 100. The guide rails 130 define the conveying path of the cross-belt sorting cart 200 and can follow... Figure 1 The illustrated closed loop. In the illustrated embodiment, the cross-belt sorting cart 200 includes at least four guide rollers 220, wherein two guide rollers 220 roll from above on guide rail 130, and the other two guide rollers roll from below on guide rail 130 in an inclined direction. Guide rail 130 may be connected to and / or supported by the frame 110 of the cross-belt sorter 100.

[0075] Each cross-belt sorting cart 200 includes a cross belt 210 that spans in a loop around two reversing rollers 211 at its upper end. The upper surface of the cross belt 210 forms a transport surface for goods and / or merchandise that can be transported along the cross-belt sorter 100. The cross belt 210 is tensioned between the reversing rollers 211 such that it can roll around the reversing rollers 211 from left to right and vice versa. Whenever the cross-belt sorting cart 200 passes its desired destination, the cross belt 210 is used to unload goods conveyed along the cross-belt sorter 100 to the left and / or right sides. For example, the cross-belt sorter 100 may include an unloading station as referred to in US 6,273,268 B1 above.

[0076] The cross belt 210 is driven by a belt drive roller 230, which is positioned below the cross belt 200 and presses upward against the lower raceway of the cross belt 210. The axis of rotation of the belt drive roller 230 is substantially parallel to the conveying direction of the cross belt sorter 100 and / or substantially horizontal. The belt drive roller 230 is driven by a bevel gear 23, which transmits a substantially vertically aligned torque derived from the rotation of the friction wheel 13 to the belt drive roller 230.

[0077] Friction wheel 13 is positioned at the lower part of cross-belt sorting cart 200 such that its axis of rotation is substantially vertically aligned. In the illustrated embodiment, friction wheel 13 comprises two discs with different diameters, an upper larger disc and a lower smaller disc. Depending on which of the two discs of friction wheel 13 is driven by lever arm 120 of cross-belt sorter 100, friction wheel 13 accelerates cross-belt 210 in a fast or slow manner.

[0078] At multiple locations along conveyor 100, conveyor 100 may include one or more static actuation devices 120, which may be selectively arranged such that they do not contact or engage with the friction wheel 13 of a passing cross-belt sorting cart 200 (idle position) and actuate the friction wheel (driven position). Static actuation device 120 may be a pivotable lever arm 120. The friction wheel 13 may be actuated when a load is received and loaded onto the cross-belt 210, and / or when the load is unloaded at its predetermined destination along the conveyor path.

[0079] Figure 2 Only a single lever 120 is shown on the right. However, another lever 120 may be arranged on the left. Depending on which lever is actuated and moves into the path of the friction wheel 13, as in... Figure 2 When facing the conveying direction as shown in the view, the cross belt 210 can be driven to the right or to the left. The actuation of the lever arm 120 on the friction wheel 13 is explained in more detail in the aforementioned US 6,273,268 B1.

[0080] Whenever the cross-belt sorting vehicle 200 is driven along a curve, the centrifugal force acting on the load arranged on the cross-belt 210 can accelerate the cross-belt 210, causing the load to move laterally and / or out of the curve. To suppress this undesirable acceleration of the cross-belt 210, the cross-belt sorting vehicle 200 includes a torque transmission device 1 that provides interruption or stop functionality. Figure 2 (Not shown in the image).

[0081] Figure 3AA cross-sectional view is shown through an embodiment of such a torque transmission device 1 for a cross-belt sorting cart 200. In this embodiment, the torque transmission device 1 includes components rotatable about a substantially vertically aligned axis of rotation. Some elements of the torque transmission device 1 are... Figure 3B The three-dimensional sectional view shown is better illustrated here.

[0082] The lower end of the torque transmission device 1 is provided by the friction wheel 13 of the cross-belt sorting vehicle 200. The friction wheel 13... Figure 3A As shown in, and in Figure 3B The details are omitted. It serves as the drive end 10, and specifically as the rotatable element 12 of the drive end 10. The friction wheel 13, and therefore the drive end 10, is capable of rotating about the drive axis R indicated by the dashed line. D Rotation. Driving the axis of rotation R D It is basically aligned vertically.

[0083] The torque transmission device 1 is configured to transmit any drive torque originating from the rotation of the drive end 10 to the cross belt end 20 of the torque transmission device 1. The cross belt end 20 is provided by a bevel gear 23, which can transmit and / or couple the torque to... Figure 2 The belt drive roller 230 is shown. The bevel gear 23 includes teeth at its upper end located on an inclined outer surface; these teeth can engage with corresponding teeth of a similar bevel gear arranged on the mandrel and / or rotating shaft of the belt drive roller 230 (see [reference]). Figure 2 ).

[0084] The bevel gear 23 is configured as the cross belt end 20 and provides a rotatable element 22 for the cross belt end 20. The rotatable element 22 and the cross belt end 20 as a whole are capable of rotating about the belt axis R. B Rotation. With axis of rotation R B Basically vertically aligned and basically with the drive rotation axis R D Alignment. Therefore, drive the rotation axis R. D and with rotation axis R B (Here: basically vertically aligned with the ground) forming a common axis of rotation R C .

[0085] The torque transmission device 1 is arranged at the support member 30 of the cross-belt sorting cart 200. The support member 30 can be a plate. It may include a through hole 31, which is configured to be located on the common axis of rotation R. C The support 30 passes through the cylindrical element 32. In the illustrated embodiment, the support 30 further includes a cylindrical element 32 that surrounds the common axis of rotation R at its cylindrical axis. CThe cylindrical element 32 is statically fixed to the support 30 and moves only with the entire cross-belt sorting cart 200. The entire support 30, including the cylindrical element 32, cannot rotate relative to the cross-belt sorting cart 200 but moves with the entire cross-belt sorting cart 200.

[0086] An outer bearing 43 is arranged on the outside of the cylindrical element 32. The outer bearing 43 couples the support 30 to the drive end 10 and enables the drive end 10 to rotate about the cylindrical element 32. A drive spindle 24 is arranged inside the cylindrical element 32. The drive spindle 24 includes a common rotation axis R. C Aligned axes of rotation. The drive spindle 24 can be fixed to the cross belt end 20, for example, at the bevel gear 23. Therefore, the drive spindle 24 rotates together with the cross belt end 20. The drive spindle 24 can also be considered as a rotatable element 22 of the cross belt end 20.

[0087] The drive spindle 24 is arranged within the through-hole 31 of the cylindrical element 32 and the support 30, such that its axis of rotation is aligned with the centerline of the through-hole 31 and / or the cylindrical axis of the cylindrical element 32. The drive spindle 24 is rotatably held within the cylindrical element 32 by an inner bearing 44. The inner bearing 44 is fixed to the interior of the cylindrical element 32 with its outer side and can be coupled to and / or hold the drive spindle 24 arranged inside.

[0088] Whenever friction wheel 13 is actuated by lever arm 120 (see Figure 2 When ), it rotates around the common axis of rotation R C The friction wheel 13 rotates about the cylindrical element 32 and couples its driving torque to the drive spindle 24 via the coupling device 40. The drive spindle 24 rotates within the cylindrical element 32 and transmits its torque to the bevel gear 23 at the cross belt end 20 of the torque transmission device 1.

[0089] The torque transmission device 1 is configured to at least suppress the belt torque originating from the rotation of the cross belt end 20, and for example, to suppress its transmission to the friction wheel 13. The torque transmission device 1 can be configured to substantially suppress any rotation of the cross belt end 20 and the rotation of the bevel gear 23 caused by the cross belt torque. This achieves the stopping and / or disconnecting function of the cross belt 210. Whenever the rotation of the cross belt end 20 and the bevel gear 23 is prevented, the cross belt 210 also cannot move because it is coupled to the cross belt end 20 without idling.

[0090] like Figure 3B As shown, the coupling device 40 is configured as a press-fit element 41, particularly a spring element 42. The spring element 42 may be configured as a torsion spring including a radially inwardly bent end 42A. The press-fit element 41 is arranged in a press-fit manner within the cylindrical element 32 such that the cylindrical axis of the torsion spring is substantially aligned with the cylindrical axis and / or common axis of rotation R of the cylindrical element 32.C Overlap. In the illustrated embodiment, the press-fit element 41 presses against the inner side of the cylindrical element 32 to induce a frictional press-fit between them. Therefore, the press-fit element 41 can overcome the frictional press-fit only around the common axis of rotation R. C The rotating, press-fitting element is held against the inner side of the cylindrical element 32 by friction press-fitting.

[0091] The crossband end 20 is coupled to the engagement band element 21 via the drive spindle 24. The engagement band element 21 is at least partially disposed within the coupling device 40. In this embodiment, the engagement band element 21 is disposed at the center of the press-fit element 41. The engagement band element 21 is secured to the drive spindle 24 by a retaining element 25 (e.g., a screw). In an embodiment, the engagement band element 21 may be configured as an element of the drive spindle 24, for example, a protrusion of the drive spindle 24.

[0092] Figure 3C A perspective view of the coupling device 40 as viewed diagonally from below is shown. The friction wheel 13 is omitted. Figure 3C The lower end of the cylindrical element 32 is shown. The cylindrical element 32 may be a cylindrical tube statically fixed to the support 30 at the through hole 31, such that the center line of the through hole is substantially arranged on the cylindrical axis of the cylindrical element 32.

[0093] Figure 3C The diagram shows the windings and / or coils of a torsion spring pressed against the inside of the cylindrical element 32 in a friction-press fit. Each of the two ends of the spring element 42 is bent radially inward, thus forming a general orientation toward the common axis of rotation R. C The inner curved end 42A points to the inside of the cylindrical element 32. The inner curved end 42A provides two independent barriers inside the hollow interior of the cylindrical element 32.

[0094] The engagement band element 21 can mechanically contact these obstacles, i.e., when the spring element 42 rotates about the common axis of rotation R. C During rotation, the inner bent end 42A of the spring element 42. The rotation of the coupling belt element 21 may originate from the cross belt 210, which is accelerated by centrifugal force (see...). Figure 2 The coupling element 21 includes components about a common axis of rotation R. C An annular portion is arranged. The annular portion terminates at its opposite ends at two mating side surfaces 21A, each mating side surface 21A facing a corresponding one of the two inner curved ends 42A. The mating side surface 21A is configured as a surface facing its corresponding inner curved end 42A. Figures 3A-3C In the embodiment shown, the two are essentially vertically aligned.

[0095] When torque is provided, the engagement belt element 21 can rotate around the common axis of rotation R. CThe rotation causes one of its mating side surfaces 21A to press against the corresponding inner bend end 42A. Depending on the direction of the torque (clockwise or counterclockwise), the mating band element 21 will press against the corresponding inner bend end 42A arranged in the direction of movement of the mating band element 21.

[0096] Spring element 42 is arranged and oriented within cylindrical element 32 such that the frictional pressure fit within cylindrical element 32 is enhanced when the engagement band element 21 contacts the corresponding inner bend end 42A. The thrust from engagement side 21A to its corresponding inner bend end 42A attempts to expand the torsion spring 42 and increase its outer diameter. Therefore, spring element 42 is pressed more forcefully against the inner side of cylindrical element 32. The provided band torque enhances the frictional pressure fit, preventing the coupling device 40 from rotating about the common axis of rotation R. C Rotation. This prevents and / or inhibits the rotation of the engagement belt element 21, and thus suppresses and / or inhibits the rotation of the belt end 20 and the entire bevel gear 23. This, in turn, inhibits and prevents the transmission of belt torque to the friction wheel 13. Most importantly, the rotation of the bevel gear 23 is inhibited, preventing the cross belt 210 from accelerating on the cross belt sorting cart 200 (see...). Figure 2 The torque transmission device 1 prevents the transmission of belt torque to the drive end 20 and provides a stop and / or disconnect function for the cross belt 210.

[0097] The drive end 10 also includes a coupling element, namely a coupling drive element 11 that engages with the coupling device 40. In this embodiment, the coupling drive element 11 is configured as part of the friction wheel 13, which... Figure 3C The term is omitted. However, the engagement drive element 11 is in... Figure 3A It is shown in the diagram and protrudes from below into the spring element 42. In the assembled state, the engagement drive element 11 will be arranged in... Figure 3C The drive-side space 17 is shown. The drive-side space extends on the opposite side of the engagement band element 21 and between two inwardly bent ends 42A within the spring element 42. The engagement drive element 11 can form a pair with the engagement band element 21.

[0098] As the friction wheel 13 rotates, the drive end 10 rotates around the common axis of rotation R. C Rotation, therefore the engagement drive element 11 also rotates around the common rotation axis R within the drive-side space 17. C Rotation. Similar to the engagement band element 21, the engagement drive element 11 can engage with the side that can mechanically contact the inner bent end 42A of the spring element 42.

[0099] Compared to the engagement band element 41, the engagement drive element 11 will contact the opposite side of the inner bend end 42A. The pressure on the opposite side weakens the frictional fit. This is because the spring element 42 is arranged and oriented within the cylindrical element 32 such that when the engagement drive element 11 contacts the inner bend end 42A, the spring element 42 is tensioned, thus weakening its pressure fit within the cylindrical element 32. Contact with the engagement drive element 11 essentially cancels out the frictional fit within the cylindrical element 32. Therefore, when the engagement drive element 11 collides with the inner bend end 42A, the entire coupling device 40 is able to rotate about the common axis of rotation R. C Rotation. Therefore, the driving torque derived from the rotation of the friction wheel 13 weakens the press fit of the spring element 42, and thus enables it to rotate and transmit the driving torque through the drive spindle 24 to the bevel gear 23 and the belt end 20.

[0100] In other words, the torque transmission device 1 can suppress the rotation of the belt end 20 and the corresponding belt torque, while reliably transmitting the drive torque originating from the rotation of the friction wheel 13 to the bevel gear 23, and thus to the belt drive roller 230 (see...). Figure 2 ).

[0101] Figure 4 Show Figures 3A to 3C An exploded perspective view of the torque transmission device 1 shown. Figure 4 The support member 30 is shown together with the cylindrical element 32 at approximately the center of the support member 30. To the left of the support member 30, corresponding to the upper position in the assembled state, the bevel gear 23 is shown as the cross belt end 20 of the gear transmission device 1. The spindle 24 is fixed to the bevel gear 23 by a slide key 26, which engages in a groove and / or recess within the drive spindle 24 and / or the bevel gear 23. A support ring 50 may also be configured to secure the connection. The first of the inner bearings 44 is shown on the left side of the support plate 30.

[0102] On the other side of the support 30, specifically at the location below the support in the assembled state, an additional internal bearing 44 is shown together with a coupling device 40 configured as a spring element 42. The spring element 42 is arranged so that its two ends face a common axis of rotation R. C Curved inwards.

[0103] Figure 4 The engagement band element 21 and the retaining element 25 are further shown. A retaining ring 52 and / or a retaining ring 51 may be provided to ensure the position of the outer bearing 43 so that the friction wheel 13 can rotate as the drive end 10 about the outer cylinder of the cylindrical element 32.

[0104] All the aforementioned elements, including the torque transmission device 1 in circular and / or cylindrical form, are arranged such that their center lines and / or cylindrical axes are substantially aligned with the common axis of rotation R. C alignment.

[0105] In an alternative embodiment not shown in the figure, the rotation axis R is driven. D It is not necessary to have a rotating axis R B Alignment. These axes can be tilted relative to each other, and the coupling devices are arranged at their intersections.

[0106] Figure 5A shows the results in Figure 3 and Figure 4 The spring element 42 used in the torque transmission device 1 is configured as a torsion spring with two inwardly bent ends 42A, which divides the interior of the torsion spring into two parts: a belt-side space 27 and a drive-side space 17. The belt-side space 27 is a region within the spring element 42 from which the pressure applied to the inwardly bent ends 42A of the spring element 42 increases the diameter 42 of the spring element, thus enhancing the frictional fit within the cylindrical element 32. The drive-side space 17 is a region from which the pressure applied to the inwardly bent ends 42A of the spring element 42 decreases the total diameter of the torsion spring, thus weakening the frictional fit within the cylindrical element 32.

[0107] Figure 5B illustrates an alternative embodiment of the spring element 42 as a coupling device 40 and a press-fit element 41. In this alternative embodiment, the spring element 42 includes a radially outwardly bent end 42B. This embodiment of the spring element 42 can be assembled on an element protruding from the spring element 42 by friction press-fit. As shown in the following figure, in another embodiment of the torque transmission device 1, the spring element 42 shown in Figure 5B can be arranged on a support similar to a spindle and / or a shaft.

[0108] The outer bend 42B of the torsion spring defines the boundary between the drive-side space 17 and the belt-side space 27 outside the spring element 42. Similar to the previous embodiment, the pressure acting on at least one outer bend 42B from the drive-side space 17 can weaken the frictional fit of the spring element 42 by increasing its inner diameter. This can thus release the frictional fit on a support member similar to a mandrel. The pressure acting on the outer bend 42B from the belt-side space 27 will enhance the frictional fit by decreasing the inner diameter of the spring element 42.

[0109] Figure 6 A perspective view of the gears of the cross-belt sorting vehicle 200 is shown. Figure 6 The lower friction wheel 13 is shown, which drives the bevel gear 23 by a substantially vertically aligned torque. The rotation of the bevel gear 23 is transmitted via diagonally aligned teeth to the belt drive roller bevel gear 232 mounted on the belt drive roller shaft and / or spindle 231. The belt drive roller shaft 231 is arranged substantially horizontally and substantially parallel to the conveying direction of the cross-belt sorter 100 (see [reference]). Figure 1Therefore, the torque provided by the rotation of the friction wheel 13 can be used to drive the belt drive roller 230 to rotate about the roller axis 231 and / or rotate together with the roller axis 231. This is consistent with... Figure 2 The situation shown is similar.

[0110] Rotation of the drive roller 230 can cause the pressure roller 212 to rotate in the opposite direction due to their cylinders being pressed together and / or biased. The cylinders of the pressure roller 212 and the drive roller 230 may be in mechanical contact with each other (at least indirectly). The pressure roller 212 and the drive roller 230 may rotate together in opposite directions about axes that are substantially parallel to each other.

[0111] Between the pressure roller 212 and the drive roller 230, a lower raceway of the cross belt 210 is arranged (therefore, they are in indirect mechanical contact). The cross belt 210 is in... Figure 6 The cross belt 210 is represented by only two lines. Otherwise, the surface of the cross belt 210 would obstruct the view of the components of the cross belt sorting cart 200. The upper raceway of the cross belt 210 can pass over the upper side of the pressure roller 212, while the lower raceway is arranged below the pressure roller 212 and above the belt drive roller 230. Therefore, the rotation of the belt drive roller 230 causes the cross belt 210 to move between the belt drive roller 230 and the pressure roller 212.

[0112] Similarly, the acceleration of the cross belt 210 will also cause the belt drive roller 230 to rotate. Without the torque transmission device 1, its rotation would be transmitted to the friction wheel 13 via gears 232, 23. By suppressing the rotation of the bevel gears 23 and / or the belt drive roller 230, this acceleration of the cross belt 210 caused by, for example, centrifugal force can be suppressed by the torque transmission device 1.

[0113] Figure 7A A side view of an embodiment of the torque transmission device 1 for a cross-belt sorting vehicle is shown.

[0114] The torque is transmitted along a substantially horizontally aligned axis. Figure 7A An embodiment is shown positioned near a gear that converts vertical torque into horizontal torque, similar to... Figure 6 Gears 23 and 232 are shown in the diagram.

[0115] At the bottom, friction wheel 13 is also like... Figure 2 and Figure 6 The arrangement is shown. Friction wheel 13 can be similar to... Figure 2As shown, it is driven by lever arm 120. Upon actuation, friction wheel 13 rotates about a substantially vertically aligned axis of rotation, and bevel gear 23 also rotates about this axis. In the illustrated embodiment, bevel gear 23, unlike the previous embodiments, does not have diagonally aligned teeth, but instead has diagonal friction surfaces that also allow its torque to be transmitted to the drive roller bevel gear 232. Here, the torque is not transmitted through form-fit as in the previous embodiments, but through the friction of the diagonally aligned friction surfaces of the two bevel gears 23, 232. Otherwise, the gears would operate similarly to, for example, as... Figure 6 As shown and / or at least in part Figure 3A , Figure 3B and Figure 4 The illustrated gear mechanism with diagonal teeth operates such that the bevel gear 232 with drive roller can rotate about the drive roller axis 231 about a substantially horizontally aligned axis of rotation. The cylinder with drive roller 230 can be driven to rotate by the rotation of the bevel gear 232 with drive roller. Similar to... Figure 2 and Figure 6 The rotation drive of the cylinder with drive roller 230 is arranged between drive roller 230 and pressure roller 212 arranged above it. Figure 7A The cross band 210 between (omitted in the text)

[0116] Figure 7B Show Figure 7A A side sectional view of the torque transmission device 1 is shown. This sectional view shows the interior of the drive roller 230. In this embodiment, the torque transmission device 1 is not arranged at the friction wheel 13; therefore, the friction wheel 13 can directly transmit its torque to the bevel gear 23 via the drive spindle 24. The drive spindle 24 is rotatably connected to the cylindrical element 32 via an internal bearing 44, and the cylindrical element 32 is connected to the first frame element 33. The diagonally outer sides of the bevel gear 23 can be covered by friction elements to increase friction between the substantially vertical element bevel gear 23 and the substantially horizontally aligned drive roller bevel gear 232.

[0117] Whenever the friction wheel 13 is driven, its torque is transmitted to the drive roller bevel gear 232, causing the drive roller bevel gear 232 to rotate around the drive axis R. D Rotation, driving the axis of rotation R DArranged substantially horizontally, substantially along the conveying direction, and / or substantially in the extending direction of the belt drive roller shaft 231. The belt drive roller bevel gear 232 is rotatably mounted about the belt drive roller shaft 231 via at least one inner bearing 240 arranged on the belt drive roller shaft 231. The belt drive roller shaft 231 is arranged in a fixed position relative to the cross-belt sorting cart 200. It can be connected to the first frame element 32 and / or the second frame element 34. The two opposing shaft ends of the belt drive roller shaft 231 can be arranged between the first frame element 33 and the second frame element 34. In this fixed position, the belt drive roller shaft 231 provides a support 30 for the torque transmission device 1. The belt drive roller bevel gear 232 provides the drive end 10 of the torque transmission device 1 and a rotatable element 12 of the drive end 10. It rotates about a axis R defining the drive rotation. D The support member 30, in the form of a drive roller 231, is rotatably mounted.

[0118] At the end of the drive roller bevel gear 232 facing the bevel gear 23 connected to the friction wheel 13, the drive roller bevel gear 232 protrudes outside the cylinder of the drive roller 230. The drive roller bevel gear 232 may include a cylindrical element arranged within the drive roller 230, extending substantially along the entire cylinder of the drive roller 230. At the end facing the bevel gear 23, it includes an inclined surface for receiving torque from the bevel gear 23. At its opposite end, i.e., the end facing away from the bevel gear 23, the drive element 11 (see...) engages. Figure 8 The drive element 11 is configured as an extension of the drive end 10. The engagement drive element 11 is arranged such that it can interact with the coupling device 40, which is configured as a press-fit element 41 in the form of a spring element 42.

[0119] Spring element 42 may be a torsion spring as shown in FIG. 5B, which includes an outer bent end 42B. Spring element 42 is arranged around drive belt roller shaft 231 in a press-fit, i.e., friction press-fit manner. Thus, its winding / coil is wound around drive belt roller shaft 231. Therefore, spring element 42 is tightly positioned around drive belt roller shaft 231 such that its outer bent end 42B extends substantially radially outward from drive belt roller shaft 231. Coupling device 40 is arranged at the end of drive belt roller shaft 231 away from bevel gear 23.

[0120] At least one, preferably two, outer bearings 241 are arranged around the outer cylinder of the drive end 10. The cylinder with the drive roller 230 is mounted on these outer bearings 241, allowing it to rotate about the drive roller shaft 231 arranged on its cylindrical axis and about the drive end 10 and / or the rotatable element 12 of the drive end 10. The cylinder with the drive roller 230 is capable of rotating about the axis of rotation R. B Rotation, that is, in the illustrated embodiment, substantially relative to the driving rotation axis R D Alignment, thus forming a common axis of rotation R C .

[0121] The rotatable element 12 of the drive end 10 driven by the friction wheel 13 rotates around a common axis of rotation R. C The rotation provides the driving torque for the coupling device 40. The drum with drive roller 230, and therefore the cross belt end 20 of the torque transmission device 1 (e.g., caused by the acceleration of the cross belt 210), rotates about the common axis of rotation R. C The rotation of the belt provides torque to the coupling device 40. The torque transmission device 1 is configured exactly as in the embodiment shown in the previous figure to allow the drive torque to be transmitted from the rotatable element 12 of the drive end 10 to the rotatable element 22 of the cross belt end 20. Furthermore, the torque transmission device 1 suppresses the rotation of the rotatable element 22 of the belt end 20 and suppresses the transmission of its torque to the rotatable element 12 of the drive end 10. This transmission and suppression are achieved by the coupling device 40 and the support member 30.

[0122] Figure 8 This is a perspective view of the end of the belt drive roller 231, where the coupling device 40 is arranged in a press-fit manner. In this perspective view, the first frame element 33 is omitted to better observe the coupling device 40. In the axial direction, the coupling device 40 can be held in place by one or more retaining rings 51 mounted on the outer diameter of the belt drive roller 231. The outer curved end 42B of the spring element 42 defines a drive-side space 17 and a belt-side space 27. In the illustrated embodiment, these spaces 17, 27 are arranged within the region inside the cross belt end 20 (provided by the belt drive roller 230) and radially outward from the coil of the spring element 42.

[0123] The engagement belt element 21 is fixed inside the drum of the belt drive roller 230. The engagement belt element 21 is configured to rotate about a common axis of rotation R. C The annular portion. The annular portion can be relative to the common axis of rotation R. C The angle cross-section spans at least 60°, preferably at least 120°, and more preferably at least 170°. Therefore, the end of the joining strip 21 can fill most and / or substantially the entire angle cross-section of the strip-side space 27, for example, at least 80% or preferably at least 90%. This leaves only a small gap between the joining side 21A and the outer bend 42B of the spring element 42.

[0124] The rotation of the belt end 20 caused by the acceleration of the cross belt 210 will cause the joining belt element 21 to rotate around the common axis of rotation R. C Rotate until one of its engagement sides 21A abuts the corresponding outwardly bent end 42B of the spring element 42. This abutment enhances the frictional pressure engagement between the spring element 42 and the support 30 in the form of a belt drive roller shaft 231. Thus, rotation of the belt end 20 and the belt drive roller 230 is suppressed and stopped.

[0125] Similarly, the drive end 10 provided by the drive roller bevel gear 232 is also connected to and / or includes a protrusion in the form of an engagement drive element 11. This engagement drive element 11 is arranged within the drive-side space 17, i.e., at a radial position between the spring element 42 and the inner side of the drive roller 230. The engagement drive element 11 may be configured as a ring portion about a common axis of rotation R within the drive-side space 17. C It spans about 60°, preferably about 120°, and more preferably about 170°.

[0126] Two engagement sides 11A at the opposite annular ends of the engagement drive element 11 are arranged near the two outer curved ends 42B of the spring element 42. Any rotation of the friction wheel 13 that causes the corresponding rotation of the drive end 10 will cause the engagement drive element 11 to rotate about the common axis of rotation R. C The corresponding rotation continues until one of its engaging sides 11A presses against the corresponding outer bend 42B. This pressure is directed to weaken the press fit of the spring element 42 on the support mandrel and / or shaft 30. This allows the coupling device 40 to rotate about the support 30 in the form of a drive belt roller axis 231 and to transmit the torque of the drive end 10 to the engaging belt element 21 of the cross belt end 20. Thus, the drive torque is transmitted to the cross belt end 20 and can drive the belt drive roller 230.

[0127] The torque transmission device 1 shown in the figure operates similarly. The engagement drive element 11 and engagement belt element 21 can rotate about a common axis of rotation R. C Spanning most of the 360° angular cross-section. In the remaining gap, the ends 42A, 42B of the corresponding spring elements 42 can be arranged within the small gap. The engagement drive element 11 and the engagement band element 21 can be arranged near the spring element 42 such that one of the engagement sides 11A of the engagement drive element 11 is separated from the corresponding engagement element 21A of the engagement band element 21 by one of the ends 42A, 42B, respectively. Each engagement side 11A of the engagement drive element 11 substantially faces the corresponding engagement element 21A of the engagement band element 21.

[0128] The mating surfaces 11A, 21A may be configured as flat surfaces and / or may include at least one groove for receiving the respective ends 42A, 42B of the spring element 42. This groove receives the respective ends 42A, 42B and thus reduces strain on the spring element 42. Furthermore, it allows for substantially complete, corresponding mating surfaces 11A, 21A abutment for the safe transmission of drive torque.

[0129] The drive device that generates the driving torque can be provided by friction wheel 13 and / or lever arm 120. Therefore, the drive device can be part of the cross-belt sorting cart 200 itself and / or can be statically arranged at the cross-belt sorter 100.

[0130] List of reference numerals

[0131] 1. Torque transmission device 44 inner bearing

[0132] 10 drive end 50 support ring

[0133] 11 Engaging drive element 51 retaining ring

[0134] 11A engagement side 52 retaining ring

[0135] 12 rotatable elements at the drive end of the 100 cross-belt sorting machine

[0136] 13 Friction wheel 110 frame

[0137] 17 Drive Side Space 120 Lever Arm

[0138] 20 cross belt end 130 guide rail

[0139] 21 Connecting Belt Components 200 Cross Belt Sorting Cart

[0140] 21A joint side 210 cross belt

[0141] 22 Rotatable element at the cross belt end 211 Reversing roller

[0142] 23 Bevel gear 212 pressure roller

[0143] 24 drive spindles and 220 guide rollers

[0144] 25 Fixed element 230 with drive roller

[0145] 26 sliding key 231 with drive roller shaft

[0146] 27 with side space 232 with drive roller bevel gear

[0147] 30 support components 240 inner bearing

[0148] 31 Through-hole 241 outer bearing

[0149] 32 cylindrical element R B With rotating axis

[0150] 33 First frame element R C Common axis of rotation

[0151] 34 Second frame element R D Drive rotating axis

[0152] 40 Coupling device

[0153] 41 Press-fit components

[0154] 42 Spring elements

[0155] 42A Inner Bend End

[0156] 42B Outer Bend End

[0157] 43 External bearing

Claims

1. A cross-belt sorting machine (100) having at least one cross-belt sorting cart (200), the cross-belt sorting cart (200) comprising: -Frame (110); - Cross strap (210), which is movably mounted relative to the frame (110); - A drive device for driving the cross belt (210) to move; and - Torque transmission device (1), the torque transmission device (1) includes: - A rotatable drive end (10) that is at least temporarily coupled to the drive device for driving the cross belt (210) of the cross belt sorting vehicle (200); - A rotatable crossband end (20) coupled to the crossband (210); - A non-rotatable support (30) connected to the cross-belt sorting cart (200); and -Coupled device (40) which connects the drive end (10) to the cross belt end (20) at the support (30); The coupling device (40) allows the drive torque originating from the rotating drive end (10) to be transmitted to the cross belt end (20), and suppresses the belt torque originating from the rotating cross belt end (20). Its features are, The coupling device (40) is adapted to provide a braking function for the cross belt (210) to prevent the cross belt (210) from moving when driven by centrifugal force and / or inertia; The coupling device (40) includes force elements (41, 42) that are press-fitted to the support (30). The driving torque originating from the rotating drive end (10) at least weakens the press fit on which the force elements (41, 42) are fixed to the support (30); The belt torque-enhancing force element (41, 42) derived from the rotating cross belt end (20) is fixed to the support (30) by a press fit.

2. The cross-belt sorting machine (100) according to claim 1. wherein The support member (30) is fixed to the cross-belt sorting vehicle (200).

3. The cross-belt sorting machine (100) according to claim 1 or 2. wherein The torque transmission device (1) is adapted to allow the drive torque originating from the rotating drive end (10) to be transmitted to the cross belt end (20) in such a way that the drive end (10) rotates at the same speed as the cross belt end (20).

4. The cross-belt sorter (100) according to claim 1 or 2, wherein, The coupling device (40) allows at least 80% of the drive torque originating from the rotating drive end (10) to be transmitted to the cross belt end (20), and suppresses at least 80% of the belt torque originating from the rotating cross belt end (20) from being transmitted to the drive end (10).

5. The cross-belt sorter (100) according to claim 1 or 2, wherein, The force elements (41, 42) are fixed to the support (30) by friction press fit.

6. The cross-belt sorter (100) according to claim 1 or 2, wherein, The force elements (41, 42) are fixed to the support (30) in the form of spring elements.

7. The cross-belt sorting machine (100) according to claim 1 or 2, wherein: - The support (30) includes a through hole (31) and / or a hollow cylindrical element (32); - The rotatable element of the cross belt end (20) or the drive end (10) is rotatably mounted in the through hole (31) and / or the cylindrical element (32); and - The rotatable element of the drive end (10) or the cross belt end (20) is rotatably mounted around the through hole (31) and / or the cylindrical element (32).

8. The cross-belt sorting machine (100) according to claim 1 or 2. wherein The drive end (10) is rotatable about a drive rotation axis, and the rotation of the drive end (10) about the drive rotation axis provides the drive torque to the coupling device (40). The cross belt end (20) is rotatable about the belt rotation axis, and the rotation of the cross belt end (20) about the belt rotation axis provides the belt torque to the coupling device (40). The drive rotation axis is substantially aligned with the belt rotation axis to form a common rotation axis.

9. The cross-belt sorting machine (100) according to claim 8. wherein, The common axis of rotation is arranged such that it passes through the through hole (31) and / or is aligned with the axis of the support (30).

10. The cross-belt sorter (100) according to claim 1 or 2, wherein, The drive end (10) includes and / or is coupled to a rotatable wheel (13), wherein rotation of the wheel (13) provides the drive torque for driving the cross belt (210) of the cross belt sorting vehicle (200).

11. The cross-belt sorting machine (100) according to claim 10. The wheel (13) is a friction wheel.

12. The cross-belt sorting machine (100) according to claim 10. Includes one or more static actuators (120) selectively arranged between an idle position and a drive position. wherein The actuation device is statically located on the cross-belt sorter (100). In the idle position, the actuation device does not contact the wheel (13) of the passing cross-belt sorting vehicle (200). In the driving position, the actuation device contacts the wheel (13) of the passing cross-belt sorting vehicle (200), thereby causing driving power to be supplied to the driving end (10) through the wheel (13).

13. The cross-belt sorter (100) of claim 12, wherein, The actuation device (120) is a pivotable lever arm.

14. The cross-belt sorting machine (100) according to claim 12, wherein, The driving position is a static position.

15. The cross-belt sorter (100) according to claim 1 or 2, wherein, The cross belt end (20) includes and / or is coupled to a belt drive roller (230) of the cross belt (210) that drives the cross belt sorting vehicle (200).

16. A method of transmitting torque in a cross-belt sorter (100), wherein, The cross-belt sorter (100) includes a cross-belt sorting cart (200). The method includes the following steps: - The rotatable drive end (10) of the torque transmission device (1) is coupled to a drive device for driving the cross belt (210) of the cross belt sorting vehicle (200); - The rotatable cross belt end (20) of the torque transmission device (1) is coupled to the cross belt (210) of the cross belt sorting vehicle (200). - Secure the non-rotatable support (30) to the cross-belt sorting vehicle (200); -The drive end (10) is connected to the cross belt end (20) at the support (30) via the coupling device (40) of the torque transmission device (1). - Allows the drive torque originating from the rotating drive end (10) to be transmitted to the cross belt end (20); and - The coupling device (40) suppresses the belt torque originating from the rotating cross belt end (20). Its features are, The coupling device (40) provides a braking function to the cross belt (210) to prevent the cross belt (210) from moving when driven by centrifugal force and / or inertia; wherein The coupling device (40) includes force elements (41, 42) that are press-fitted to the support (30). The driving torque originating from the rotating drive end (10) at least weakens the press fit on which the force elements (41, 42) are fixed to the support (30); The belt torque-enhancing force element (41, 42) derived from the rotating cross belt end (20) is fixed to the support (30) by a press fit.

Images