Mounting frame of internal combustion power pack

Abstract

The utility model discloses a mounting frame of an internal combustion power pack, which comprises side longitudinal beams, middle longitudinal beams, side cross beams, middle cross beams, first-stage shock absorbers, second-stage shock absorbers and stop structures, and adopts the design of two-stage shock absorbers, so that the mounting frame has good vibration isolation and noise reduction effects, and improves the running stability of a diesel generating set; the diesel engine vibrates in the running process, a corresponding stop structure is arranged between the mounting frame and the vehicle body except for connection of the shock absorber, and the situation that the internal combustion engine power pack and the vehicle body are loosened due to connection failure of the shock absorber caused by long-time vibration of the diesel engine in the running process can be prevented; the transition plates are arranged on the lower portions of the side longitudinal beams, so that the side longitudinal beams of different structures can be connected with the stop structures and the shock absorbers, and the structural adaptability is high.

Description

Technical Field

[0001] The utility model relates to the field of internal combustion power pack installation, in particular to a mounting frame of the internal combustion power pack. Background Art

[0002] The internal combustion power pack is a small, highly integrated diesel generator set system developed in recent years. It is installed on railway locomotives or EMUs to provide traction power. The main components of the internal combustion power pack include diesel generator sets, cooling systems, diesel engine auxiliary systems, electronic control systems and installation frames. The installation frame serves as the skeleton of the internal combustion power pack, carrying and integrating all components of the various systems of the internal combustion power pack. The installation frame is one of the important components of the internal combustion power pack. The existing internal combustion power pack installation frame mainly includes structures such as crossbeams, longitudinal beams, and connectors. The diesel engine will vibrate during operation. Long-term vibration of the diesel engine may cause the connection of the connectors to fail, resulting in the loosening of the power pack and the car body. Utility Model Content

[0003] The utility model aims to provide a mounting frame for an internal combustion engine power pack to address the deficiencies of the prior art, and can prevent the internal combustion power pack from loosening from the vehicle body due to failure of the connection of the connecting parts caused by long-term vibration of the diesel engine during operation.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A mounting frame for an internal combustion engine power pack, comprising side longitudinal beams, middle longitudinal beams, side cross beams, and middle cross beams, wherein the side longitudinal beams comprise a first side longitudinal beam and a second side longitudinal beam, the middle longitudinal beams comprise a first middle longitudinal beam and a second middle longitudinal beam, and the side cross beams comprise a first side cross beam and a second side cross beam;

[0006] The middle cross beam and the middle longitudinal beam divide the installation frame into four areas, wherein a plurality of mounting seats are respectively arranged on the side longitudinal beams and the middle longitudinal beams in two diagonal areas, and the diesel generator sets are installed in these two diagonal areas; a primary shock absorber is installed on the mounting seat, and the diesel generator set is installed on the mounting seat through the primary shock absorber;

[0007] The other two obliquely symmetrical regions are respectively provided with frames, which are composed of a plurality of vertical beams connected to the side longitudinal beams and the middle longitudinal beams. A primary shock absorber is installed on the frame, and the cooling system is installed on the frame through the primary shock absorber.

[0008] A plurality of secondary shock absorbers are arranged at the lower part of the side longitudinal beam; the side longitudinal beam is connected to the vehicle body chassis through the secondary shock absorbers;

[0009] A plurality of stop structures are respectively arranged on both sides of the secondary shock absorber;

[0010] The upper end of the stop structure is connected to the side longitudinal beam, and the lower end of the stop structure is connected to the vehicle body underframe.

[0011] The utility model adopts a two-stage shock absorber design, which has good vibration isolation and noise reduction effects and improves the stability of the diesel generator set. Vibration will be generated during the operation of the diesel engine. In addition to the shock absorber connection, a corresponding stop structure is provided between the mounting frame and the vehicle body to prevent the internal combustion engine power pack from loosening from the vehicle body due to failure of the shock absorber connection caused by long-term vibration of the diesel engine during operation.

[0012] Furthermore, the stop structure includes a positioning stop block, an adjustment pad, and a longitudinal stop plate. The longitudinal stop plates are respectively arranged on both sides of the positioning stop block, the adjustment pad is connected to the longitudinal stop plate, the lower end of the positioning stop block is connected to the vehicle body frame, and the upper end of the longitudinal stop plate is connected to the side longitudinal beam.

[0013] Preferably, a transition plate is installed at the bottom of the side longitudinal beam.

[0014] Preferably, the secondary shock absorber is connected to the side longitudinal beam via a transition plate.

[0015] Preferably, the stop structure is connected to the side longitudinal beam via a transition plate.

[0016] Preferably, the side longitudinal beams, the middle longitudinal beams, the side cross beams, the middle cross beams and the vertical beams are C-shaped channel steels or hollow box-shaped steel structures.

[0017] Preferably, the transition plate is a square solid steel plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model adopts a two-stage shock absorber design, which has good vibration isolation and noise reduction effects and improves the stability of diesel generator set operation;

[0020] 2. The diesel engine will generate vibration during operation. In addition to the shock absorber connection, a corresponding stop structure is set between the mounting frame and the vehicle body to prevent the internal combustion engine power pack from loosening from the vehicle body due to failure of the shock absorber connection caused by long-term vibration of the diesel engine during operation;

[0021] 3. The utility model arranges a transition plate at the lower part of the side longitudinal beam, so that the side longitudinal beams of different structures can be connected with the stop structure and the shock absorber, and the structure has high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a top view of the installation frame of the utility model;

[0023] Figure 2 It is an axonometric drawing of the installation frame of the utility model;

[0024] Figure 3 It is a schematic diagram of the installation frame and vehicle body of the utility model.

[0025] In the figure: 10-body frame; 11-secondary shock absorber; 12-transition plate; 13-bolt; 31-first side longitudinal beam; 32-second side longitudinal beam; 33-first middle longitudinal beam; 34-second middle longitudinal beam; 35-first side cross beam; 36-second side cross beam; 37-mounting seat; 38-middle cross beam; 39-vertical beam; 40-frame; 121-positioning stop block; 122-adjusting pad; 123-longitudinal stop plate. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following text, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0027] Example

[0028] This embodiment provides a mounting frame for an internal combustion power pack, such as Figure 1-3 As shown, it includes side longitudinal beams, middle longitudinal beams, side cross beams, and middle cross beams 38. The side longitudinal beams include a first side longitudinal beam 31 and a second side longitudinal beam 32. The middle longitudinal beams include a first middle longitudinal beam 33 and a second middle longitudinal beam 34. The side cross beams include a first side cross beam 35 and a second side cross beam 36.

[0029] The middle cross beam and the middle longitudinal beam divide the installation frame into four areas, and multiple mounting seats 37 are respectively arranged on the side longitudinal beams and the middle longitudinal beams in the two diagonal areas, and the diesel generator sets are installed in these two diagonal areas; a primary shock absorber is installed on the mounting seat 37, and the diesel generator set is installed on the mounting seat 37 through the primary shock absorber.

[0030] The other two diagonal regions are provided with frames 40, which are composed of a plurality of vertical beams 39 connected to the side longitudinal beams and the middle longitudinal beams. The vertical beams 39 are used to support the installation of the cooling system. The frame formed by the vertical beams 39 protruding upward in the middle of the installation frame is the frame 40. The frame 40 is a cube, and the two frames 40 are arranged obliquely symmetrically. The two frames 40 share a vertical beam in the middle, and the other three sides have three vertical beams. A small cross beam and a small longitudinal beam are also provided above the vertical beams 39. The cooling system is installed on the frame 40 through a primary shock absorber.

[0031] Other systems such as the diesel engine auxiliary system are fixed on the beams of the installation frame that are convenient for arrangement.

[0032] A plurality of secondary shock absorbers 11 are arranged at the lower part of the side longitudinal beam, and the side longitudinal beam is installed on the vehicle body underframe 10 through the secondary shock absorbers 11 .

[0033] A plurality of stop structures are respectively arranged on both sides of the secondary shock absorber.

[0034] The upper end of the stop structure is connected to the side longitudinal beam, and the lower end is connected to the vehicle body underframe 10.

[0035] The diesel engine vibrates significantly during operation. In addition to the shock absorber connection, a corresponding stop structure is set between the mounting frame and the vehicle body to prevent the power pack from loosening from the vehicle body due to failure of the shock absorber connection caused by long-term vibration of the diesel engine during vehicle operation.

[0036] The stop structure includes a positioning stop block 121, an adjustment pad 122, and a longitudinal stop plate 123. The lower end of the positioning stop block 121 is connected to the vehicle body frame 10, and the longitudinal stop plates 123 are respectively arranged on both sides of the positioning stop block 121. The upper end of the longitudinal stop plate 123 is connected to the side longitudinal beam, and the adjustment pad 122 is connected to the longitudinal stop plate 123.

[0037] The stopper has a simple structure and is easy to process and can be connected to a vehicle body.

[0038] In some embodiments, a transition plate 12 is installed at the bottom of the side longitudinal beam, and the secondary shock absorber 11 is connected to the side longitudinal beam through the transition plate 12. Figure 3 As shown, the first side longitudinal beam 31 is installed on the vehicle body chassis 10 through the transition plate 12 and the secondary shock absorber 11, the transition plate 12 is connected to the vehicle body chassis 10 through the secondary shock absorber 11, and the transition plate 12 is connected to the first side longitudinal beam 31 through bolts 13.

[0039] In some embodiments, the stop structure is connected to the side longitudinal beam through a transition plate 12 .

[0040] The side longitudinal beams, middle longitudinal beams, side cross beams, middle cross beams and vertical beams are usually C-shaped channel steels or hollow box-shaped steel structures.

[0041] The transition plate 12 is a square solid steel plate structure.

[0042] The contents explained in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the embodiments by those skilled in the art fall within the scope defined by the claims attached to the present invention.

Claims

1. A mounting frame for an internal combustion power pack, comprising side longitudinal beams, middle longitudinal beams, side cross beams, and middle cross beams (38), wherein the side longitudinal beams comprise a first side longitudinal beam (31) and a second side longitudinal beam (32), the middle longitudinal beams comprise a first middle longitudinal beam (33) and a second middle longitudinal beam (34), and the side cross beams comprise a first side cross beam (35) and a second side cross beam (36), characterized in that: The middle cross beam and the middle longitudinal beam divide the installation frame into four areas, wherein the side longitudinal beams and the middle longitudinal beams in two diagonally opposite areas are respectively provided with a plurality of mounting seats (37), and the mounting seats (37) are installed with primary shock absorbers; The other two diagonally opposite regions are respectively provided with frames (40), the frames (40) being composed of a plurality of vertical beams (39) connected to the side longitudinal beams and the middle longitudinal beams, and the primary shock absorber is installed on the frames (40); A plurality of secondary shock absorbers are arranged at the lower part of the side longitudinal beam; a plurality of stopper structures are arranged on both sides of the secondary shock absorber (11); The upper end of the stop structure is connected to the side longitudinal beam.

2. The mounting frame of the internal combustion power pack according to claim 1, characterized in that: The stop structure comprises a positioning stop block (121), an adjustment pad (122), and a longitudinal stop plate (123); the longitudinal stop plates (123) are respectively arranged on both sides of the positioning stop block (121); the adjustment pad (122) is connected to the longitudinal stop plate (123); and the upper end of the longitudinal stop plate (123) is connected to the side longitudinal beam.

3. The mounting frame of the internal combustion power pack according to claim 2, characterized in that: A transition plate (12) is installed at the bottom of the side longitudinal beam.

4. The mounting frame of the internal combustion power pack according to claim 3, characterized in that: The secondary shock absorber (11) is connected to the side longitudinal beam via a transition plate (12).

5. The mounting frame of the internal combustion power pack according to claim 4, characterized in that: The stop structure is connected to the side longitudinal beam via a transition plate (12).

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