EP3947224A1 - Dispositif de blocage pour un camion - Google Patents

Dispositif de blocage pour un camion

Info

Publication number
EP3947224A1
EP3947224A1 EP20705935.3A EP20705935A EP3947224A1 EP 3947224 A1 EP3947224 A1 EP 3947224A1 EP 20705935 A EP20705935 A EP 20705935A EP 3947224 A1 EP3947224 A1 EP 3947224A1
Authority
EP
European Patent Office
Prior art keywords
truck
blocking
ramp
blocking device
underrun protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20705935.3A
Other languages
German (de)
English (en)
Inventor
Niclas Grunewald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GRUNEWALD, HANS-JOACHIM
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3947224A1 publication Critical patent/EP3947224A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/003—Restraining movement of a vehicle at a loading station using means not being part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/40—Safety features of loads, equipment or persons

Definitions

  • the invention relates to a blocking device for a truck.
  • Loading and unloading stations are used to load or unload trucks.
  • a loading and unloading station has several ramps that a truck can approach.
  • a blocking device for a truck is known from US Pat. No. 7,249,926 B1, in which a blocking arm is fixedly arranged in a shaft in the floor in front of a loading and unloading station. The blocking arm is only partially sunk in the shaft and arranged vertically and cannot be moved. A ram is telescopically arranged in the blocking arm and can be extended in the vertical direction from the shaft until its upper end lies next to an underrun protection device of a truck that is approaching the loading and unloading device.
  • This known blocking device has the disadvantage that, due to the design, a distance always remains between the underrun protection device and the stamp. The distance must ensure on the one hand that the punch does not hit the underrun protection device from below when it is being extended, and on the other hand that the
  • the blocking device also works if the underrun protection device is attached further to the front or to the rear of the truck. In any case, the mentioned distance has the effect that the stamp only rests against the underrun protection and prevents the truck from rolling away further when the truck has already moved a little forward (in the direction of travel). But then there is a gap between the rear of the truck and the ramp, which can lead to accidents.
  • Another disadvantage of the known blocking device is that the blocking arm cannot be completely lowered into the shaft of the floor.
  • the object of the present invention is to provide a device with which it is possible to mount a truck on a ramp of a loading and unloading
  • the invention thus relates to a blocking device for a truck that has approached a ramp of a loading and unloading station.
  • the blocking device is arranged in such a way that the underrun protection device attached to the rear of the truck is moved over the blocking protection device when the truck is backing up to the ramp.
  • This blocking device comprises at least one height-adjustable
  • Blocking arm the at least one blocking arm having a telescopic ram, the ram being displaceable from below the truck against a truck underrun protection device, which prevents the truck from rolling or driving away.
  • the telescopic ram can be arranged inside the blocking arm so that this ram can move out of the blocking arm. It is also possible, however, for the stamp to be attached to the side of the blocking arm, for example.
  • the invention relates to a blocking device for a truck comprising at least one height-adjustable device that is accommodated in a shaft in the floor in front of a ramp of a loading and unloading station Blocking arm, wherein the at least one blocking arm can be moved out of the shaft and has a telescopic ram, the ram being movable from below the truck against a truck underrun protection device so that the truck underrun protection device is fixed between the stamp of the at least one blocking arm and the ramp is what prevents the truck from rolling or driving away.
  • this blocking device is installed in a floor directly in front of a ramp of a loading and unloading station.
  • the blocking device is thus sunk in a shaft in the ground in front of the ramp and provided with a cover that is level with the ground.
  • this blocking device can be used to position a truck that has driven up to a ramp of a loading and unloading station. To do this, the cover is first removed and then the at least one blocking arm is moved out, whereby a section of the blocking arm provided with the stamp can be pivoted upwards out of the shaft until it is oriented obliquely upwards and against the direction of travel of the truck in the direction of the underrun protection device .
  • the blocking arm can be swiveled upwards out of the shaft until it is inclined upwards and against the direction of travel of the truck towards the
  • Underrun protection device is aligned.
  • Underrun protection device is applied and this with a counter to the
  • the force component acting on the ramp presses until the truck is fixed between the stamp and the ramp.
  • the stamp of the at least one blocking arm is attached to a
  • the truck underrun protection device of the truck is moved so that the truck underrun protection device is fixed between the stamp of the at least one blocking arm and the ramp. The fixation prevents the truck from rolling away or being driven away without problems.
  • the ram which extends obliquely upwards, but also at the same time backwards against the direction of travel of the truck, has an initially approximately existing distance between its stop surface and the
  • the blocking device according to the invention is able to eliminate a gap or gap between the truck or its underrun protection device on the one hand and the ramp or a buffer device attached to the ramp on the other side by pressing the stamp on the underrun protection device , pushes the entire truck in the direction of the ramp until this or its underrun protection device rests against the ramp with its rear side lying opposite to the direction of travel. In this way, a risk of injury can be eliminated with advantage, which exists due to a gap between the ramp and the truck, into which a person could get his foot or trip.
  • the blocking device is accommodated in a housing which is part of the blocking device.
  • the advantage of this arrangement is that the entire blocking device can be removed very easily from the shaft in the floor, for example if the blocking device has to be serviced.
  • An advantageous embodiment of the invention provides that the blocking device sunk into the ground in the shaft in front of the ramp Has cover that is level with the ground and with which the shaft can be closed.
  • the cover is arranged on the top of the housing.
  • the blocking device has a pressure switch via which the stamp of the at least one
  • Blocking arm is readjustable. Since the ram is actuated hydraulically or pneumatically, it can happen that the pressure decreases over time and the ram of the at least one blocking arm no longer rests firmly on the truck underrun protection device. This can cause the truck to roll slightly off the ramp, creating a gap between the ramp and a loading area of the truck. Not only can goods be damaged through this gap, but there is also a risk of injury to people because they can trip over, for example.
  • the blocking device preferably has two blocking arms, each of the blocking arms having a telescopic ram.
  • Such a blocking device is particularly stable because two stamps guarantee that the truck cannot roll away or be driven away. It goes without saying that a blocking device with more than two blocking arms, for example with three or four blocking arms, can be provided, with each blocking arm in turn carrying a stamp which is on or in the
  • the invention also relates to an arrangement comprising the blocking device and the loading and unloading station, the blocking device being arranged in front of the ramp of the loading and unloading station.
  • the blocking device is located in a shaft in front of the ramp.
  • the loading and unloading station can comprise several ramps and that such a blocking device is arranged in front of each ramp.
  • the blocking device has a cover which is optionally opened and can be locked. If the cover closes the shaft, the cover is arranged in the same plane as the floor, so that the floor and the cover form one plane. This prevents a person from tripping over the cover.
  • the blocking device of the arrangement preferably has a sensor with which it can be determined whether a truck has approached the ramp of the loading and unloading station. Only when the truck has approached the ramp and is therefore above the blocking device is the cover removed and the shaft opened. An early opening of the shaft is thus prevented and thus also the risk of a person being injured by stumbling over the shaft.
  • a method for blocking a truck with the arrangement or the blocking device is also described, the method comprising the following successive steps:
  • the truck drives to the loading and unloading ramp
  • the sensor registers as soon as the truck has approached the ramp of the loading and unloading station and sends a signal to a control unit of the blocking device.
  • the at least one blocking arm is extended.
  • the stamp of the at least one blocking arm is moved to the truck underrun protection device of the truck so that the truck underrun protection device is fixed between the stamp of the at least one blocking arm and the ramp, whereby the truck is also held in this position.
  • the cover of the blocking device is preferably removed between the second and the third step, and the shaft is thus opened. Since the truck is already above the shaft at this point, it prevents a person from stepping into the shaft and injuring themselves.
  • a pressure switch registers the Stamp when the stamp is no longer in contact with the truck's underrun protection device. In this case the
  • FIG. 1 shows a side view of a loading and unloading station to which a truck drives
  • FIG. 2 shows a second side view of the loading and unloading station according to FIG.
  • FIG. 3 shows a perspective top view of the blocking device according to FIG.
  • FIG. 2 with a blocking arm
  • FIG. 4 shows a third side view of the loading and unloading station with the
  • FIG. 5 shows a fourth side view of the loading and unloading station with the
  • FIG. 6 shows a fifth side view of the loading and unloading station with the
  • FIG. 7 shows a perspective top view of a variant of the blocking device shown in FIG.
  • FIG. 1 shows a side view of a loading and unloading station 1 to which a truck 2 is just moving backwards, which is indicated by the arrow 3. On a rear 4 the truck has a truck
  • the loading and unloading station 1 has a ramp 6, where the truck 2 can be loaded or unloaded.
  • the unloading station 1 also has a buffer device 7, which serves to avoid damage to the truck 2 when it is backing up to the ramp 6. Loading and unloading stations for trucks are one
  • the truck 2 has already moved up to the ramp 6, so that the truck 2 with the truck underrun protection device 5 is in contact with the buffer device 7.
  • the fact that the truck 2 is in contact with the buffer device 7 is recognized by a sensor 8.
  • This sensor 8 can be, for example, a camera that is attached to the loading and unloading station 1.
  • this sensor 8 embodied as a camera can be attached below the buffer device 7 (not shown).
  • the sensor 8 can, however, as is the case in FIG. 2, be designed as a pressure sensor 8 which is provided in the buffer device 7. As soon as the truck 2 with its truck underrun protection device 5 touches the buffer device 7, this is registered by the sensor 8.
  • the sensor 8 is connected to a control unit 10 via a line 9, which is shown schematically in FIG.
  • the control unit 10 is connected to a control unit 10 via a line 9, which is shown schematically in FIG.
  • the control unit 10 is connected to a control unit 10 via a line 9, which is shown schematically in FIG.
  • the sensor 8 and the line 9 are part of the blocking device
  • This blocking device 11 is accommodated in a shaft 12 which is let into a floor 13, the shaft 12 and thus the blocking device 11 arranged therein being arranged in front of the ramp 6.
  • the shaft 12 is closed by a cover 14.
  • Cover 14 arranged in the same plane as the bottom 13. This prevents a person (not shown) from tripping over the cover 14.
  • the cover 14 is part of a housing 15, with three side walls 16, 17, 19 and the bottom 18 of the housing 15 can be seen.
  • the control unit 10 In the housing 15 not only the control unit 10 is seated, but also a blocking arm 24 which is movably arranged on a holder 25.
  • the blocking arm 24 can at least partially be moved out of the housing 15 by a piston rod 26 as soon as the housing 15 is opened.
  • the blocking arm 24 can be moved hydraulically, electrically or mechanically via the piston rod 26.
  • a telescopic ram 28 is provided, of which only a first front section 29 can be seen.
  • the first front section 29 is arranged on a second rear section.
  • the second section cannot be seen in FIG. 1 because this second section has not yet been moved out of the blocking arm 24.
  • the blocking device 11 can also be installed in the shaft 12 without this blocking device 11 being seated in a housing. In this case, a cover is still provided that can close the shaft. However, if the blocking device 11 has a housing 15, this has the advantage that the blocking device 11 can easily be removed from the shaft 12, for example if the
  • Locking device 11 needs to be serviced or replaced.
  • the blocking device 11 and the loading and unloading station 1 can be seen, which together form an arrangement 20.
  • the truck is not shown for the sake of clarity.
  • the cover 14 of the housing 15 has already been removed, three side walls 16, 19 and 27 of the housing 15 being visible. So that the housing 15 can be opened, the housing 15 has two parallel rails 21, 22 in the area of the base 13, along which, after these rails 21, 22 have been driven by a drive, for example an electric or a pneumatic drive (not visible) , have been raised slightly, the cover 14 is moved in the direction of arrow 23 so that the cover 14 finally lies next to the shaft 12 on the floor 13, as can be seen in FIG.
  • the Housing 15 is thus opened, with which the blocking arm 24 can be moved out of the housing 15.
  • the blocking arm 24 can be moved out of the housing 15.
  • Blocking device 11 only via a blocking arm 24.
  • the cover 14 is permanently installed and that the housing cannot be opened completely.
  • the rails 21, 22 are not required. Instead, an opening can be provided (not shown) from which the blocking arm 24 can be moved out.
  • the blocking arm 24 lies in the rest position of the opening so that it forms a plane with the cover 14 and the base 13. This prevents a person from tripping over the blocking device 11.
  • the ram 28 is then moved out in the direction of the truck underrun protection device 5 until the first section 29 is in contact with the truck underrun protection device 5 (FIG. 5).
  • the second section 30 of the ram 28 is also at least partially moved out of the blocking arm 24.
  • the first section 29 is preferably designed as a pressure switch 29, with which it is registered whether the stamp 28 is still in contact with the truck underrun protection device 5 of the truck 2. If the stamp 28 is no longer in contact with the truck underrun protection device 5, a signal is sent to the control unit 10, which causes the stamp 28 to be moved in the direction of the truck underrun protection device 5 until the stamp 28 again with the Truck underrun protection device 5 is in contact.
  • the pressure switch 29 thus ensures that the truck 2 always remains positioned on the ramp 6. It is not possible to move the truck 2 away.
  • FIG. 6 essentially corresponds to FIG. 5, with FIG.
  • the blocking device 11 has a housing 15 and has a holder 25 on which the blocking arm 24 is arranged in a height-adjustable manner, which is indicated by the double arrow 31.
  • the blocking arm 24 is a
  • telescopic punch 28 is arranged, which consists of a first front section 29 and a second rear section 30.
  • the first section 29 is in contact with the truck underrun protection device 5 of the truck 2, whereas the second section 30 is still partially in contact
  • Blocking arm 24 is arranged.
  • the blocking arm 24 is by means of
  • Piston rod 26 can be moved hydraulically, electrically or mechanically. This piston rod 26 is connected to an inner piston rod 32 by means of which the ram 28 can be moved in the direction of the truck underrun protection device 5 or the ram 28 with its second section 30 can be moved back into the blocking arm 24.
  • the movement of the inner piston rod 32 is the same as that of the piston rod 26, i. also hydraulic, electrical or mechanical.
  • FIG. 7 shows a perspective top view of a variant of the blocking device 40 shown in FIG. A truck that has approached the ramp 6 is not shown in FIG. 7 so that the
  • Blocking device 40 can be seen clearly.
  • the blocking device 40 according to FIG. 7 has two height-adjustable blocking arms 41, 42, between which a control unit 43 is arranged.
  • the control unit 43 is - like the control unit 10 - connected via a line to a sensor, which is in the buffer 7 of the loading and
  • Unloading station 1 is provided. Line and sensor are not shown in FIG.
  • the blocking arms 41, 42 can be moved hydraulically, electrically or mechanically via piston rods, with only the
  • Piston rod 43 of the blocking arm 41 can be seen.
  • the blocking device 40 has a housing 44 which is accommodated in a shaft 45. There are only three side walls of the housing 44 51, 52, 53 can be seen.
  • the cover 46 has been removed so that the housing 44 is open. So that the cover 46 can be removed, the blocking device 40 has two rails 49, 50 arranged parallel to one another, on which the cover 46 can be moved in the direction of the arrows 47, 48. To open the housing 44, the cover 46 is moved along the rails 49, 50 in the direction of the arrow 48 and to close the
  • Housing 44 moved in the direction of arrow 47.
  • each blocking arm 41, 42 a telescopic ram is provided which can be moved out of the corresponding blocking arm 41, 42.
  • the stamp 54 can be seen.
  • the punch 54 consists of two sections, namely a first front section and a second rear section, the front section 55 preferably being designed as a pressure switch 55 or having one. If a truck 2 has approached the loading and unloading station 1, the housing 44 is opened and then both blocking arms 41, 42 are extended simultaneously. Then the stamp 54 from the
  • the blocking device 40 therefore also forms an arrangement 56 together with the loading and unloading station 1.
  • the cover 46 can also be permanently installed, so that the housing 44 cannot be opened completely and the rails 49, 50 can be dispensed with. Instead, two openings are provided (not shown), and the corresponding blocking arm 41, 42 can be moved out of one of these openings.
  • the blocking arms 41, 42 lie in the corresponding opening during the rest position, so that the blocking arms 41, 42 form a plane with the cover 46 and the base 13. This will
  • the blocking devices 11, 40 can be designed in such a way that de-springing is possible or the structure is fixed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)

Abstract

L'objet de la présente invention est un dispositif de blocage (11) pour un camion (2) comprenant au moins un bras de blocage (24) réglable en hauteur, ledit bras de blocage (24) possédant un vérin télescopique (29). Le vérin (29) peut être déplacé depuis le dessous du camion (2) contre un dispositif de protection anti-encastrement de camion (5), ce qui empêche le camion de rouler ou de s'éloigner.
EP20705935.3A 2019-03-27 2020-02-14 Dispositif de blocage pour un camion Pending EP3947224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019107912.8A DE102019107912A1 (de) 2019-03-27 2019-03-27 Blockiervorrichtung für einen Lkw
PCT/EP2020/053965 WO2020193007A1 (fr) 2019-03-27 2020-02-14 Dispositif de blocage pour un camion

Publications (1)

Publication Number Publication Date
EP3947224A1 true EP3947224A1 (fr) 2022-02-09

Family

ID=69630300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20705935.3A Pending EP3947224A1 (fr) 2019-03-27 2020-02-14 Dispositif de blocage pour un camion

Country Status (4)

Country Link
US (1) US11919731B2 (fr)
EP (1) EP3947224A1 (fr)
DE (1) DE102019107912A1 (fr)
WO (1) WO2020193007A1 (fr)

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EP2390207A1 (fr) * 2010-05-25 2011-11-30 Deutsche Post AG Véhicules de transport fixés à des quais de chargement
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Also Published As

Publication number Publication date
US11919731B2 (en) 2024-03-05
DE102019107912A1 (de) 2020-10-01
WO2020193007A1 (fr) 2020-10-01
US20220144565A1 (en) 2022-05-12

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