Motor mounting device

Abstract

Engine mounting device (16) for a vehicle (10) suitable for connecting an engine (14) to a vehicle frame (12), wherein the engine mounting device (16) is a one-piece casting and comprises the following: - at least one contact plate (24), comprising: - a contact side (28) suitable for coming into contact with the vehicle frame (12), - one of the sides (30) opposite the contact page (28), and - at least one through hole (32) extending from the contact side (28) to the opposite side (30), wherein the hole (32) is suitable for receiving a fastening screw (18) for fastening the motor mounting device (16) to the vehicle frame (12), - at least two retaining plates (26) extending around the hole (32) on the side (30), characterized in that the retaining plates (26) extend perpendicular to the contact side (28) and are connected to each other by curved, partially hollow cylindrical connecting surfaces (44), and in that the retaining plates (26) define a receiving volume (34) which is adapted in its shape and dimensions to the shape and dimensions of a hydraulic fastening screw tightening tool (22) in order to receive it, and in that each retaining plate (26) comprises a machined surface (33), wherein at least one machined surface (33) defines the receiving volume, wherein the clamping volume (36) forms a partial hollow cylinder (38), wherein the diameter (DZ) of the hollow cylinder (38) is at least 1.5 times the diameter (DK) of the clamping hole (32), wherein the height (HZ) of the hollow cylinder (38) is at least 3 times the diameter (DK) of the clamping hole (32), and wherein a semicircular cylindrical surface (44) runs concentrically to the longitudinal center axis of the hole (32) between a side plate (40) and one of the reinforcement plates (42).

Description

[0001] The present invention relates to an engine mounting device for a vehicle, preferably for a rail vehicle, wherein the engine mounting device is suitable for connecting an engine to a vehicle frame, wherein the engine mounting device is one-piece and comprises the following: - at least one contact plate, comprising: - a contact surface suitable for contacting the vehicle frame, - a page opposite the contact page, and - at least one through hole extending from the contact side to the opposite side, the hole being suitable for receiving a fastening screw for attaching the engine mounting device to the vehicle frame, - at least two retaining plates extending around the hole on the opposite side.

[0002] Engine mounting devices are used in vehicles to hold engines, especially railway vehicle engines, on a vehicle frame.

[0003] Engines, especially the diesel engines used in some rail vehicles, are relatively heavy and generate strong vibrations. Engine mounting devices used to hold the engines in relation to the vehicle frame must withstand these vibrations.

[0004] Engine mounting brackets are attached to the vehicle frame using mounting bolts, and the torque required to tighten the mounting bolt on the vehicle frame is estimated by a fitter.

[0005] Such engine mounting devices are not entirely satisfactory, as they do not allow for the use of a hydraulic fastening bolt tightening tool, which not only makes the installation of the engine mounting devices more difficult, but also does not ensure the correct fastening of the engine mounting devices to the vehicle frame.

[0006] Accordingly, it is an object of the present invention to create an engine mounting device which facilitates mounting on the vehicle frame and enables reliable fixing of the fastening screw.

[0007] According to the invention, this problem is solved by a motor holding device with the features of claim 1.

[0008] Dependent claims are directed to features of preferred embodiments.

[0009] An engine holding device comprising retaining plates extending perpendicular to the contact side, wherein the retaining plates define a receiving volume for a hydraulic fastening screw tightening tool, is advantageous because such an engine holding device is structurally simple and can be easily and properly mounted on the vehicle frame.

[0010] Preferred embodiments of the invention are described in detail with reference to the drawing, wherein: - Fig. 1 a schematic perspective view of an engine holding device according to a first embodiment of the invention, - Fig. 2 a schematic perspective view of the motor holding device according to a second embodiment of the invention, and - Fig. Figure 3 is a schematic perspective view of a detail of the motor holding device according to the invention.

[0011] As in Fig. As shown in Figure 1, a vehicle 10 comprises a vehicle frame 12, an engine 14, an engine mounting device 16 and a fastening screw 18.

[0012] The vehicle 10 preferably comprises at least two engine mounting devices 16 for each engine 14 and at least one fastening screw 18 for each engine mounting device 16.

[0013] Vehicle 10 is preferably a rail vehicle. Alternatively, the vehicle is a motor vehicle such as a bus.

[0014] The vehicle frame 12, for example, forms a structure that supports a passenger cell (not shown). Alternatively, the vehicle frame 12 forms a structure that encloses the passenger cell.

[0015] Motor 14 is preferably a drive motor. For example, motor 14 is coupled to wheels and is suitable for driving the wheels to move the vehicle. Alternatively, motor 14 is coupled to a three-phase machine to generate electricity for the vehicle.

[0016] For example, engine 14 is an internal combustion engine, preferably a diesel engine. Alternatively, engine 14 is an electric motor.

[0017] The engine mounting device 16 is designed to connect the engine 14 to the vehicle frame 12. The engine mounting device 16 includes, for example, a clamping area 17 to hold the engine 14.

[0018] The motor holding device 16 comprises at least one contact plate 24 and at least two retaining plates 26.

[0019] In the examples of Fig. 1 and Fig. In these examples, the contact plate 24 comprises two contact sections 25. The contact plate 24 includes a transition section 27 that lies between the two contact sections 25 and connects the two contact sections 25.

[0020] The contact plate 24 comprises a contact side 28, a side 30 opposite and away from the contact side 28 and at least one through hole 32.

[0021] The contact surface 28, in particular the contact sections 25, are suitable for contact with the vehicle frame 12. In the examples of Fig. 1 and Fig. In the first case, the contact sections 25 are planar in order to come into contact with a planar region of the vehicle frame 12. In a variant not shown, the contact sections 25 are not planar and are at least partially complementary to a non-planar region of the vehicle frame 12.

[0022] In the examples of Fig. 1 and Fig. 2. Page 30 runs parallel to the contact page, especially in contact sections 25.

[0023] The contact side 28 and the side 30 together define a thickness TK of the contact plate 24.

[0024] The thickness TK of the contact plate 24 is the distance between the contact side 28 and the side 30 in the contact section 25.

[0025] The thickness of the TK contact plate, for example, is between 30 mm and 70 mm.

[0026] The through hole 32 extends from the contact side 28 to the side 30. The through hole 32 extends through the contact section 25.

[0027] The through hole 32 extends along a hole axis A-A', where the hole axis AA' runs, for example, perpendicular to side 30.

[0028] The through hole 32 is suitable for receiving the fastening screw 18. The diameter DK of the hole is, for example, between 12 mm and 40 mm, and preferably 26 mm.

[0029] The retaining plates 26 extend perpendicular to the contact side 28. The retaining plate 26 extends around the through hole 32.

[0030] Each retaining plate 26 comprises a machined surface 33. The machined surface 33 is preferably machined by chip removal and in particular milled.

[0031] The retaining plates 26 define a receiving volume 34, in particular together with the side 30. Preferably, at least one machined surface 33 defines the receiving volume 34.

[0032] One base of the hollow cylinder 36 lies above the side 30 and the hollow cylinder preferably extends perpendicularly to the side 30. The hollow cylinder extends from the side 30 to the opposite side, the contact side 28.

[0033] The hollow cylinder 36 preferably extends concentrically to the hole axis A-A'.

[0034] The diameter DZ of the hollow cylinder 36 is at least 1.5 times the diameter DM of the hole. The diameter of the hole 32 is between 12 mm and 40 mm, and preferably 26 mm.

[0035] The height HZ of the hollow cylinder 36 is at least 3 times the diameter DK of the hole. The height HZ of the hole 32 is between 80 mm and 240 mm, and preferably between 160 mm and 170 mm.

[0036] The retaining plates 26 comprise at least one side plate 40 and at least one reinforcement plate 42. The side plate 40 and the reinforcement plate 42 are preferably perpendicular to each other.

[0037] The side plate 40 extends, for example, along one edge of the contact plate 24. The side plate 40 extends, for example, along the longest edge of the contact plate 24.

[0038] In a preferred variant, as in Fig. 1 and Fig. As shown in Figure 2, the motor mounting device 16 defines a curved connecting surface 44 between the side plate 40 and the reinforcement plate 42. In particular, the curved connecting surface 44 is a circular cylindrical or a partial circular cylindrical surface. For example, the hollow cylinder 36 defines the connecting surface 44.

[0039] In the Fig. In the embodiment shown in 2, the retaining plates 26 comprise an additional side plate 40. Put another way, in the example of Fig. 2. The retaining plates 26 and two side plates 40. For example, both side plates 40 extend parallel to each other. Both side plates 40 can be arranged diametrically opposite each other with respect to the hole 32. The reinforcing plate 42 extends between the two side plates 40 and connects the two side plates 40.

[0040] In the Fig. In the embodiment shown in 1, the motor mounting device does not have an additional side plate 40. In other words, in the example of Fig. 1. The retaining plates 26 support only a single side plate 40. The reinforcement plate 42 extends between the side plate 40 and an edge of the contact plate.

[0041] The fastening screw 18 fastens the motor mounting device 16 to the vehicle frame 12.

[0042] The fastening screw 18, for example, is suitable to extend through the hole 32 to fasten the motor mounting device 16 to the vehicle frame 12.

[0043] The fastening screw 18, for example, is screwed into the vehicle frame 12 and includes a screw head 46 that holds the contact plate 24 to the vehicle frame 12. The screw head 46 is designed to extend into the receiving volume 34 when the fastening screw 18 holds the contact plate 24 to the vehicle frame 12.

[0044] The fastening screw 18, for example, is a screw with a nominal diameter between M10 and M40, for example M24.

[0045] In a preferred embodiment, the vehicle 10 comprises an engine mounting device 16 having two side plates 40 (as in Fig. 2 shown) and an additional motor mounting device 16 which does not have an additional side plate 40 (as shown in Fig.1 shown). In this embodiment, the engine mounting device 16, which has two side plates, and the additional engine mounting device 16, which does not have an additional side plate, fasten the engine 14 to the vehicle frame 12.

[0046] A hydraulic fastening screw tightening tool 22 is suitable for tightening the fastening screw 18. In particular, the hydraulic fastening screw tightening tool is suitable for tightening the fastening screw 18 through the hole 32 into the vehicle frame 12 with a limited, defined torque.

[0047] The limited torque is between 500 Nm and 1000 Nm. Preferably, the limited torque is approximately 800 Nm.

[0048] The provision of a receiving volume 34 and the dimensions and shapes of the receiving volume 34 are particularly advantageous in order to use a fastening screw tightening tool 22 and therefore to facilitate the assembly of the motor holding device 16.

Claims

[1] Engine mounting device (16) for a vehicle (10) suitable for connecting an engine (14) to a vehicle frame (12), wherein the engine mounting device (16) is a one-piece casting and comprises the following: - at least one contact plate (24), comprising: - a contact side (28) suitable for coming into contact with the vehicle frame (12), - one of the sides (30) opposite the contact page (28), and - at least one through hole (32) extending from the contact side (28) to the opposite side (30), wherein the hole (32) is suitable for receiving a fastening screw (18) for fastening the motor mounting device (16) to the vehicle frame (12), - at least two retaining plates (26) extending around the hole (32) on the side (30), characterized by, that the retaining plates (26) extend perpendicular to the contact side (28) and are connected to each other by curved, partially hollow cylindrical connecting surfaces (44), and that the retaining plates (26) define a receiving volume (34) which is adapted in its shape and dimensions to the shape and dimensions of a hydraulic fastening bolt tightening tool (22) in order to receive it, and that each retaining plate (26) comprises a machined surface (33), wherein at least one machined surface (33) defines the receiving volume, wherein the clamping volume (36) forms a partial hollow cylinder (38), wherein the diameter (DZ) of the hollow cylinder (38) is at least 1.5 times the diameter (DK) of the clamping hole (32), wherein the height (HZ) of the hollow cylinder (38) is at least 3 times the diameter (DK) of the clamping hole (32), and wherein a semicircular cylindrical surface (44) runs concentrically to the longitudinal center axis of the hole (32) between a side plate (40) and one of the reinforcement plates (42). [2] Motor holding device (16) according to claim 1, wherein the machined surface (33) is machined by machining. [3] Motor holding device (16) according to claim 2, wherein the machined surface (33) is milled. [4] Motor mounting device (16) according to one of claims 1 to 3, wherein the mounting plates (26) comprise a side plate (40) and a reinforcement plate (42), wherein the side plate (40) and the reinforcement plate (42) are perpendicular to each other, wherein - either the retaining plates (26) include an additional side plate (40) and the two side plates (40) are parallel to each other and arranged diametrically opposite each other with reference to the clamping hole (32), - or the motor mounting device (16) does not have an additional side plate (40) and the mounting plates (26) comprise only a single side plate (40). [5] Vehicle (10) comprising: - an engine (14), - a vehicle frame (12), - at least one motor holding device (16) according to one of claims 1 to 4. [6] Vehicle (10) according to claim 5, wherein the vehicle is a rail vehicle.

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