Mounting device for diesel engine

Abstract

The utility model relates to the technical field of diesel engines, and discloses an installation device for a diesel engine, which comprises a fuel pump shell and an arranged timing gear end housing, and a mechanical flight protection shell is additionally arranged on one side of the fuel pump shell; the fuel pump mounting support is connected with the timing gear end housing, and a coupler is additionally arranged in an inner cavity of the fuel pump mounting support; the mechanical flight protection mounting support is connected with the timing gear end housing, a shaft hole key is additionally arranged in an inner cavity of the mechanical flight protection mounting support, and a screw is mounted on the outer side of the shaft hole key; the transmission shaft is in key connection with the coupler and the shaft hole. According to the installation device for the diesel engine, the fuel pump shell and the mechanical flight protection shell are installed on the timing gear end housing through the fuel pump installation support and the mechanical flight protection installation support, and then shaft transmission is achieved in the mode that the coupler and the shaft hole are in key connection. A fuel pump shell and a mechanical flight protection shell are arranged on the same side of a diesel engine and can be driven at the same time through a transmission shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to diesel engine technical field, concretely is a kind of installation device for diesel engine. BACKGROUND

[0002] Diesel engine is a kind of internal combustion engine, with diesel as fuel, works by compression ignition. The working principle of diesel engine is mainly divided into four steps, namely "intake, compression stroke", "expansion, exhaust stroke", "start" and "complete vehicle". Because of its high efficiency, durable characteristics, diesel engine is widely used in various fields. In the power generation field, diesel generator set provides power for remote areas or temporary demand;In the field of transportation, diesel vehicle is an indispensable transport tool;In the agricultural field, diesel engine provides power for various agricultural machinery. To ensure the stability of diesel engine use, diesel engine needs to be installed.

[0003] Common installation device for diesel engine is usually composed of support plate, threaded hole, bolt and support leg structure. First, diesel engine is placed on the top of support plate, then the threaded hole on diesel engine is aligned with the threaded hole opened on support plate, bolt is installed into threaded hole, and diesel engine is installed on support plate by cooperating with nut, and support leg provides support for support plate.

[0004] Traditional installation device for diesel engine, since diesel engine needs to cooperate with fuel pump and mechanical flight protection equipment for use, fuel pump is an important part in diesel engine fuel supply system, its main function is to extract fuel from fuel tank and supply it to fuel injector with certain pressure and flow, mechanical flight protection equipment includes various support, protection or monitoring equipment related to flight machinery, such as flight data recorder, mechanical state monitoring system, emergency landing device, etc. Since fuel pump and mechanical flight protection equipment are usually connected with diesel engine by bolt and nut, it is inconvenient to provide stable installation and transmission operation for fuel pump and mechanical flight protection equipment. Therefore, an installation device for diesel engine is proposed. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides an installation device for diesel engine to solve the technical problem of inconvenient installation and transmission operation of fuel pump and mechanical flight protection equipment.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: an installation device for diesel engine, comprising:

[0009] The fuel pump shell and the timing gear end cover arranged on one side of the fuel pump shell, and the mechanical fly shield shell arranged on one side of the timing gear end cover;

[0010] The fuel pump mounting support arranged in the center of one side of the fuel pump shell and connected with the timing gear end cover, and the inner cavity of the fuel pump mounting support is provided with a shaft coupling;

[0011] The mechanical fly shield mounting support arranged in the center of one side of the timing gear end cover and connected with the timing gear end cover, the inner cavity of the mechanical fly shield mounting support is provided with a shaft hole key, and the outer side of the shaft hole key is provided with a screw connected with the mechanical fly shield shell;

[0012] The transmission shaft arranged in the center of the inner cavity of the timing gear end cover, and the two ends of the transmission shaft are connected with the shaft coupling and the shaft hole key respectively, and the transmission shaft is provided with a first sliding bearing and a second sliding bearing between the shaft coupling and the shaft hole key respectively. By arranging the fuel pump shell and the mechanical fly shield shell on the same side of the diesel engine, using an original transmission shaft, the fuel pump shell and the mechanical fly shield shell can be driven at the same time. The fuel pump shell and the mechanical fly shield shell are mounted on the timing gear end cover of the diesel engine through the fuel pump mounting support and the mechanical fly shield mounting support, and the shaft transmission is realized through the shaft coupling and the shaft hole key connection. The oil inlet hole and the oil return hole arranged on the fuel pump mounting support and the mechanical fly shield mounting support ensure the normal work of the first sliding bearing and the second sliding bearing, and the transmission shaft is mounted on the fuel pump mounting support and the mechanical fly shield mounting support through the first sliding bearing and the second sliding bearing.

[0013] Preferably, the outer side of the fuel pump shell is provided with a first bolt, and the first bolt is arranged in a ring shape on the outer side of the fuel pump shell, and the inner end of the first bolt is connected with the fuel pump mounting support. The fuel pump shell is connected with the fuel pump shell through the first bolt.

[0014] Preferably, the outer side of the mechanical fly shield shell is provided with a second bolt, and the second bolt is arranged in a ring shape on the outer side of the mechanical fly shield shell, and the inner end of the second bolt is connected with the mechanical fly shield mounting support. The mechanical fly shield shell is connected with the mechanical fly shield mounting support through the second bolt.

[0015] Preferably, the timing gear end cover is provided with an adjusting washer between the timing gear end cover and the fuel pump mounting support, a sealing ring between the transmission shaft and the fuel pump mounting support, and a first fastener and a second fastener between the fuel pump mounting support, the mechanical flywheel mounting support and the timing gear end cover. The sealing ring prevents the bearing lubricating oil from damaging the oil-proof coupling. The fuel pump mounting support and the mechanical flywheel mounting support are mounted on the timing gear end cover through the first fastener and the second fastener. The adjusting washer between the timing gear end cover and the fuel pump mounting support is used for adjusting the end face gap of the first sliding bearing and the second sliding bearing, so as to ensure the smooth return of the lubricating oil.

[0016] Preferably, the fuel pump mounting support and the mechanical flywheel mounting support are respectively provided with a first screw plug and a second screw plug at the center position of the inner side surface. The fuel pump mounting support comprises an oil hole for supplying oil to the first sliding bearing, an oil return hole for returning oil to the gear box, and the first screw plug is used for plugging the oil hole. The bottom observation and process hole is used for observing and discharging the lubricating oil leaked from the sealing ring, and the coupling fastening screw is installed and tightened. Meanwhile, a reinforcing rib can be additionally arranged to enhance the strength. The mechanical flywheel mounting support comprises an oil hole for supplying oil to the second sliding bearing, an oil return hole for returning oil to the gear box, and the second screw plug is used for plugging the oil hole.

[0017] Preferably, the timing gear end cover is provided with a front cover plate on the front surface, and the upper and lower sides of the timing gear end cover are provided with positioning blocks. The upper and lower sides of the front surface of the timing gear end cover are provided with positioning grooves, and the top center front end of the timing gear end cover is provided with fixed insertion rods. When the parts inside the timing gear end cover are maintained, the fixed insertion rods are first pulled out from the top of the timing gear end cover, and then the front cover plate and the positioning blocks are moved outward along the positioning grooves. Not only the disassembly and assembly operation during maintenance is facilitated, but also the stability of the connection between the timing gear end cover and the front cover plate is ensured.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the installation device for the diesel engine has the following advantages

[0020] Beneficial effects:

[0021] The mounting device for diesel engine is installed on the timing gear end cover of the diesel engine through the fuel pump shell and the mechanical fuel pump shell through the fuel pump mounting support and the mechanical fuel pump mounting support, realizes the transmission of the shaft through the shaft coupling and the shaft hole key connection, guarantees the normal work of the first sliding bearing and the second sliding bearing through the oil inlet hole and the oil return hole arranged on the fuel pump mounting support and the mechanical fuel pump mounting support, and installs the transmission shaft on the fuel pump mounting support and the mechanical fuel pump mounting support through the first sliding bearing and the second sliding bearing. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the right side view structure schematic diagram of the utility model that timing gear end cover and front cover plate separate;

[0024] Figure 3 It is the fuel pump, mechanical fuel pump and rotating shaft connection transmission structure schematic diagram of the utility model;

[0025] Figure 4 It is the installation structure schematic diagram of the utility model transmission shaft;

[0026] Figure 5 It is the fuel pump mounting support structure schematic diagram of the utility model;

[0027] Figure 6 It is the mechanical fuel pump mounting support structure schematic diagram of the utility model.

[0028] In the drawing: 1, fuel pump shell;2, mechanical fuel pump shell;3, timing gear end cover;4, transmission shaft;5, shaft coupling;6, shaft hole key;7, screw;8, first bolt;9, fuel pump mounting support;10, second bolt;11, mechanical fuel pump mounting support;12, first sliding bearing;13, adjusting gasket;14, first fastener;15, sealing ring;16, second sliding bearing;17, second fastener;18, first screw plug;19, second screw plug;20, front cover plate;21, positioning block;22, positioning groove;23, fixed insertion rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present utility model.

[0030] The utility model provides a kind of technical scheme, a kind of installation device for diesel engine, comprising: please refer to Figure 1 Fuel pump housing 1, and the timing gear end cover shell 3 being arranged at one side of fuel pump housing 1, and the timing gear end cover shell 3 side is additionally provided with mechanical fly safe shell 2;

[0031] Fuel pump mounting support 9 is arranged at the center of one side of fuel pump housing 1, and is connected with timing gear end cover shell 3, and the inner cavity of fuel pump mounting support 9 is additionally provided with shaft coupling 5;

[0032] Please refer to Figure 2 Mechanical fly safe mounting support 11 is arranged at the center of one side of timing gear end cover shell 3, and is connected with timing gear end cover shell 3, and the inner cavity of mechanical fly safe mounting support 11 is additionally provided with shaft hole key 6, and the outside of shaft hole key 6 is equipped with screw 7, and screw 7 is connected with mechanical fly safe shell 2;

[0033] Please refer to Figure 3 Transmission shaft 4 is arranged at the inner cavity center of timing gear end cover shell 3, and the two ends of transmission shaft 4 are connected with shaft coupling 5 and shaft hole key 6 respectively, and first sliding bearing 12 and second sliding bearing 16 are additionally provided between transmission shaft 4 and shaft coupling 5 and shaft hole key 6 respectively. By arranging fuel pump housing 1 and mechanical fly safe shell 2 on the same side of diesel engine, using a original transmission shaft 4, fuel pump housing 1 and mechanical fly safe shell 2 can be driven simultaneously. Fuel pump housing 1 and mechanical fly safe shell 2 are installed on timing gear end cover shell 3 of diesel engine through fuel pump mounting support 9 and mechanical fly safe mounting support 11, and then the transmission of shaft is realized by the connection mode of shaft coupling 5 and shaft hole key 6, and the normal work of first sliding bearing 12 and second sliding bearing 16 is ensured by setting oil inlet hole and oil return hole on fuel pump mounting support 9 and mechanical fly safe mounting support 11, and transmission shaft 4 is installed on fuel pump mounting support 9 and mechanical fly safe mounting support 11 through first sliding bearing 12 and second sliding bearing 16.

[0034] Please refer to Figure 1 First bolt 8 is additionally provided on the outside of fuel pump housing 1, and first bolt 8 is annularly distributed on the outside of fuel pump housing 1, and the inner end of first bolt 8 is connected with fuel pump mounting support 9. Fuel pump housing 1 is connected with fuel pump housing 1 through first bolt 8.

[0035] Please refer to Figure 2 , the outer side of the mechanical fly protection shell 2 is additionally provided with a second bolt 10, and the second bolt 10 is annularly distributed on the outer side of the mechanical fly protection shell 2, and the inner end of the second bolt 10 is connected with the mechanical fly protection mounting support 11. The mechanical fly protection shell 2 is connected between the second bolt 10 and the mechanical fly protection mounting support 11.

[0036] Please refer to Figure 4 , the timing gear end cover 3 and the fuel pump mounting support 9 are additionally provided with an adjusting gasket 13, the transmission shaft 4 and the fuel pump mounting support 9 are additionally provided with a sealing ring 15, and the fuel pump mounting support 9, the mechanical fly protection mounting support 11 and the timing gear end cover 3 are additionally provided with a first fastener 14 and a second fastener 17 respectively. The sealing ring 15 is used to prevent the bearing lubricating oil from damaging the oil-proof coupling 5, the fuel pump mounting support 9 and the mechanical fly protection mounting support 11 are mounted on the timing gear end cover 3 through the first fastener 14 and the second fastener 17, and the adjusting gasket 13 installed between the timing gear end cover 3 and the fuel pump mounting support 9 is used to adjust the end face gap of the first sliding bearing 12 and the second sliding bearing 16, so as to ensure the smooth return of the oil.

[0037] Please refer to Figure 5 , Figure 6 , the inner side of the fuel pump mounting support 9 and the mechanical fly protection mounting support 11 is additionally provided with a first screw plug 18 and a second screw plug 19 respectively. The fuel pump mounting support 9 contains an oil hole for supplying oil to the first sliding bearing 12, an oil return hole for returning oil to the gear box, the first screw plug 18 is used to block the oil hole, and the observation and process hole at the bottom is used to observe and discharge the oil leakage from the sealing ring 15, and install and tighten the coupling 5 fixing screw, and a reinforcing rib can be additionally provided to enhance the strength. The mechanical fly protection mounting support 11 contains an oil hole for supplying oil to the second sliding bearing 16, an oil return hole for returning oil to the gear box, and the second screw plug 19 is used to block the oil hole.

[0038] Please refer to Figure 2 , the front cover plate 20 is additionally provided on the front face of the timing gear end cover 3, the positioning blocks 21 are mounted on the upper and lower parts of the two sides of the timing gear end cover 3, the positioning grooves 22 are formed on the upper and lower parts of the two sides of the front face of the timing gear end cover 3, and the fixed insertion rods 23 are inserted and connected on both sides of the top center front end of the timing gear end cover 3. When the parts inside the timing gear end cover 3 are maintained, the fixed insertion rods 23 can be pulled out from the top of the timing gear end cover 3, and the front cover plate 20 and the positioning blocks 21 can be moved outward along the positioning grooves 22. Not only is it convenient for disassembly and assembly during maintenance, but also the stability of the connection between the timing gear end cover 3 and the front cover plate 20 can be ensured.

[0039] The scheme: the fuel pump shell 1 and the mechanical fly shell 2 are installed on the timing gear end cover 3 of the diesel engine through the fuel pump mounting support 9 and the mechanical fly mounting support 11, and the shaft transmission is realized through the connecting mode of the shaft coupling 5 and the shaft hole key 6, the oil inlet hole and the oil return hole are arranged on the fuel pump mounting support 9 and the mechanical fly mounting support 11 to ensure the normal work of the first sliding bearing 12 and the second sliding bearing 16. The fuel pump shell 1 is connected between the first bolt 8 and the fuel pump shell 1, and the mechanical fly shell 2 is connected between the second bolt 10 and the mechanical fly mounting support 11. The sealing ring 15 is used to prevent the bearing lubricating oil from damaging the oil-proof shaft coupling 5, the fuel pump mounting support 9 and the mechanical fly mounting support 11 are installed on the timing gear end cover 3 through the first fastener 14 and the second fastener 17, and the adjusting washer 13 installed between the timing gear end cover 3 and the fuel pump mounting support 9 is used to adjust the end face gap of the first sliding bearing 12 and the second sliding bearing 16, so as to ensure the smooth oil return. When the parts inside the timing gear end cover 3 are overhauled, the fixed insertion rod 23 can be pulled out from the top of the timing gear end cover 3, and then the front cover plate 20 and the positioning block 21 are moved outward along the positioning groove 22.

[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mounting device for a diesel engine, characterized by The utility model relates to a fuel pump shell (1) and the timing gear end cover (3) of setting to the one side of fuel pump shell (1), and the one side of timing gear end cover (3) is added with mechanical fly safe shell (2); Fuel pump mounting support (9) is arranged in the center of one side of fuel pump shell (1) and is connected with timing gear end cover (3), and the inner cavity of fuel pump mounting support (9) is added with shaft coupling (5); Mechanical fly safe mounting support (11) is arranged in the center of one side of timing gear end cover (3), and mechanical fly safe mounting support (11) is connected with timing gear end cover (3), the inner cavity of mechanical fly safe mounting support (11) is added with shaft hole key (6), and the outer side of shaft hole key (6) is provided with screw (7), and screw (7) is connected with mechanical fly safe shell (2); Transmission shaft (4) is arranged in the inner cavity center of timing gear end cover (3), and the both ends of transmission shaft (4) are connected with shaft coupling (5) and shaft hole key (6) respectively, and first sliding bearing (12) and second sliding bearing (16) are added between transmission shaft (4) and shaft coupling (5) and shaft hole key (6) respectively. The outer side of fuel pump shell (1) is added with first bolt (8), and first bolt (8) is annularly distributed on the outer side of fuel pump shell (1), and the inner end of first bolt (8) is connected with fuel pump mounting support (9).

2. The mounting device for a diesel engine according to claim 1, characterized by: The outer side of mechanical fly safe shell (2) is added with second bolt (10), and second bolt (10) is annularly distributed on the outer side of mechanical fly safe shell (2), and the inner end of second bolt (10) is connected with mechanical fly safe mounting support (11).

3. The mounting device for a diesel engine according to claim 1, characterized by: Adjusting washer (13) is added between timing gear end cover (3) and fuel pump mounting support (9), sealing ring (15) is added between transmission shaft (4) and fuel pump mounting support (9), and first fastener (14) and second fastener (17) are added between fuel pump mounting support (9), mechanical fly safe mounting support (11) and timing gear end cover (3) respectively.

4. The mounting device for a diesel engine according to claim 1, characterized by: First screw plug (18) and second screw plug (19) are respectively added on the inner side surface center position of fuel pump mounting support (9) and mechanical fly safe mounting support (11).

5. The mounting device for a diesel engine according to claim 1, characterized by: Front cover plate (20) is added on the front of timing gear end cover (3), and positioning block (21) is mounted on the upper part and lower part of both sides of timing gear end cover (3), positioning groove (22) is formed on the upper part and lower part of both sides of the front of timing gear end cover (3), and fixed insertion rod (23) is inserted and connected on both sides of the top center front end of timing gear end cover (3).

6. The mounting arrangement of claim 1, wherein: ​

Images