Engine power output assembly

Abstract

The utility model discloses an engine power output assembly, belongs to the technical field of engines, and solves the problem that the existing power output assembly has a poor lubricating effect on a power takeoff. The power takeoff device comprises a power box, a crankshaft gear, a hydraulic pump idle gear, a hydraulic pump gear and a power takeoff device gear are sequentially arranged in the power box from bottom to top, the crankshaft gear, the hydraulic pump idle gear, the hydraulic pump gear and the power takeoff device gear are sequentially connected in a meshed mode, and an oil inlet pipe is arranged on the power box. One end of the oil inlet pipe is communicated with an oil duct of an engine body through an oil passing bolt, the other end of the oil inlet pipe is communicated with the power box corresponding to a hydraulic pump gear through an oil passing bolt, and the middle of the oil inlet pipe is communicated with the power box corresponding to a power takeoff gear through an oil passing bolt. According to the engine power output assembly, the power takeoff at a farther position is lubricated, the abnormal sound of the power output assembly is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, and more specifically, to an engine power output assembly. Background Art

[0002] The power output assembly refers to a series of components on the vehicle that generate power and transmit it to the road. The power is transmitted to the powertrain through the engine, and then the powertrain is connected to the gearbox to transmit power and the powertrain outputs power to the directly connected device through the power take-off.

[0003] In a conventional power output assembly, such as a diesel engine power output assembly system disclosed in patent number CN 218062457 U, the corresponding power take-off is usually located at the outer edge of the power box, which is relatively close. However, for some power output assemblies whose power take-offs are relatively far away from the crankshaft, the lubricating oil at the bottom of the power box is difficult to lubricate due to the remote location of the power take-off, which leads to increased abnormal noise of the power output assembly and reduced service life.

[0004] Therefore, it is urgent to design a new type of engine power output assembly to solve the above-mentioned problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an engine power output assembly in view of the above-mentioned deficiencies in the prior art, so as to achieve lubrication of a power take-off at a remote location, reduce abnormal noise of the power output assembly, and extend the service life.

[0006] The technical solution of the utility model is as follows: an engine power output assembly comprises a power box, wherein a crankshaft gear, a hydraulic pump idler gear, a hydraulic pump gear and a power take-off gear are arranged in sequence from bottom to top in the power box, and the crankshaft gear, the hydraulic pump idler gear, the hydraulic pump gear and the power take-off gear are meshed and connected in sequence, an oil inlet pipe is arranged on the power box, one end of the oil inlet pipe is connected with the oil passage of the engine body through an oil bolt, the other end of the oil inlet pipe is connected with the power box at a position corresponding to the position of the hydraulic pump gear through an oil bolt, the middle part of the oil inlet pipe is connected with the power box at a position corresponding to the position of the power take-off gear through an oil bolt, a refueling port is also arranged in the middle part of the power box, a spline is arranged on the gear shaft corresponding to the power take-off gear, a power output port is arranged on the power box corresponding to the spline, and a sealing plate covering the power output port is detachably installed on the power box.

[0007] As a further improvement, the sealing plate is made of plastic material, and the sealing plate is connected to the power box via fastening bolts.

[0008] Furthermore, a sealing cover is threadedly connected to the refueling port.

[0009] Furthermore, the power box includes a transfer box front shell and a transfer box rear shell, and the transfer box front shell and the transfer box rear shell are connected by fastening bolts.

[0010] Furthermore, a flywheel housing is provided at a position on the transfer case rear housing corresponding to the crankshaft gear, and the flywheel housing and the transfer case rear housing are an integrally formed structure.

[0011] Furthermore, a mounting seat is provided on the transfer case front shell at a position corresponding to the crankshaft gear, and the mounting seat and the transfer case front shell are an integrally formed structure.

[0012] Furthermore, the mounting seat is provided with a plurality of fastening bolts, and the mounting seat is also provided with at least two positioning pins.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The engine power output assembly of the utility model is provided with an oil inlet pipe on the power box, and the lubricating oil is taken from the engine body by the oil inlet pipe. The lubricating oil is transported to the power take-off gear through the oil inlet pipe to lubricate the power take-off gear, and then is diverted to the hydraulic pump gear through the oil inlet pipe to lubricate the hydraulic pump gear, and finally flows back to the bottom of the power box, so as to lubricate the power take-off gear and the hydraulic pump gear which are located far away, reduce the abnormal noise of the power output assembly, and extend the service life.

[0016] 2. The power take-off of the engine power output assembly of the utility model realizes power output by means of a spline connection, which is convenient for connection, and the power output port is sealed with a sealing plate to prevent debris from entering the power output assembly during transportation, which facilitates transportation while effectively ensuring the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a front structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the back structure of the utility model;

[0020] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure of EE.

[0021] Among them: 1-power box, 2-crankshaft gear, 3-hydraulic pump idler gear, 4-hydraulic pump gear, 5-power take-off gear, 6-oil inlet pipe, 7-oil bolt, 8-fuel filling port, 9-spline, 10-power output port, 11-sealing plate, 12-fastening bolt, 13-sealing cover, 14-flywheel housing, 15-mounting seat, 16-locating pin, 1a-transfer case front housing, 1b-transfer case rear housing. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0023] See also Figure 1-4 The utility model is an engine power output assembly, including a power box 1, wherein a crankshaft gear 2, a hydraulic pump idler gear 3, a hydraulic pump gear 4 and a power take-off gear 5 are arranged in sequence from bottom to top in the power box 1, the crankshaft gear 2, the hydraulic pump idler gear 3, the hydraulic pump gear 4 and the power take-off gear 5 are meshed and connected in sequence, and the crankshaft gear 2 drives the hydraulic pump and the power take-off to rotate respectively through gear transmission to achieve power output, and an oil inlet pipe 6 is arranged on the power box 1, one end of the oil inlet pipe 6 is connected to the oil passage of the engine body through an oil bolt 7, and the other end of the oil inlet pipe 6 is connected to the hydraulic pump gear 4 through an oil bolt 7 The power box 1 at the corresponding position is connected, and the middle part of the oil inlet pipe 6 is connected with the power box 1 at the corresponding position of the power take-off gear 5 through the oil bolt 7, so that the lubricating oil in the machine body is pumped into the corresponding positions of the hydraulic pump gear 4 and the power take-off gear 5. A refueling port 8 is also provided in the middle of the power box 1 to facilitate the addition of lubricating oil to the power box 1. A spline 9 is provided on the gear shaft corresponding to the power take-off gear 5 to facilitate connection with the actuator. A power output port 10 is provided on the power box 1 corresponding to the spline 9 to facilitate the connection of the actuator. A sealing plate 11 covering the power output port 10 is detachably installed on the power box 1.

[0024] The engine power output assembly of the utility model is provided with an oil inlet pipe 6 on the power box 1, and the lubricating oil is taken from the engine body by using the oil inlet pipe 6. The lubricating oil is transported to the power take-off gear 5 through the oil inlet pipe 6 to lubricate the power take-off gear 5, and then is diverted to the hydraulic pump gear 4 through the oil inlet pipe 6 to lubricate the hydraulic pump gear 4, and finally flows back to the bottom of the power box, so as to lubricate the power take-off gear 5 and the hydraulic pump gear 4 which are located far away, reduce abnormal noise of the power output assembly, and extend the service life.

[0025] At the same time, the power take-off adopts a spline connection to achieve power output, which is convenient for connection, and the power output port is sealed with a sealing plate 11 to prevent debris from entering the power output assembly during transportation, which is convenient for transportation and effectively ensures the quality of the product. When the engine is provided to the user for assembly, the sealing plate 11 can be removed to install the actuator.

[0026] Preferably, the sealing plate 11 is made of plastic material, which effectively reduces the weight of the entire power output assembly, and the sealing plate 11 is connected to the power box 1 by fastening bolts 12 to achieve detachable installation of the sealing plate 11.

[0027] Preferably, a sealing cap 13 is threadedly connected to the fuel filling port 8 to prevent impurities from entering.

[0028] Preferably, the power box 1 includes a transfer box front shell 1a and a transfer box rear shell 1b, wherein the transfer box front shell 1a and the transfer box rear shell 1b are connected by fastening bolts 12. The split power box 1 is convenient for installing the gear transmission system.

[0029] Preferably, a flywheel housing 14 is provided at a position corresponding to the crankshaft gear 2 on the transfer case rear housing 1b, which is convenient for connection with the engine body. The flywheel housing 14 and the transfer case rear housing 1b are an integrally formed structure, which effectively improves the structural strength of the power output assembly and is convenient for casting. Furthermore, a mounting seat 15 is provided at a position corresponding to the crankshaft gear 2 on the transfer case front housing 1a, which is convenient for installing other accessories. The mounting seat 15 and the transfer case front housing 1a are an integrally formed structure, which further improves the structural strength of the power output assembly. Furthermore, a plurality of fastening bolts 12 are provided on the mounting seat 15, and at least two positioning pins 16 are also provided on the mounting seat 15, so as to realize the rapid installation of other accessories.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An engine power output assembly, comprising a power box (1), wherein the power box (1) is provided with a crankshaft gear (2), a hydraulic pump idler gear (3), a hydraulic pump gear (4) and a power take-off gear (5) in sequence from bottom to top, wherein the crankshaft gear (2), the hydraulic pump idler gear (3), the hydraulic pump gear (4) and the power take-off gear (5) are meshed and connected in sequence, and characterized in that: The power box (1) is provided with an oil inlet pipe (6), one end of which is connected to the oil passage of the engine body through an oil bolt (7), the other end of which is connected to the power box (1) at a position corresponding to the hydraulic pump gear (4) through the oil bolt (7), the middle of which is connected to the power box (1) at a position corresponding to the power take-off gear (5) through the oil bolt (7), the middle of which is also provided with a refueling port (8), a spline (9) is provided on the gear shaft corresponding to the power take-off gear (5), a power output port (10) is provided on the power box (1) corresponding to the spline (9), and a cover plate (11) for covering the power output port (10) is detachably installed on the power box (1).

2. An engine power output assembly according to claim 1, characterized in that: The sealing plate (11) is made of plastic material, and the sealing plate (11) is connected to the power box (1) via fastening bolts (12).

3. The engine power output assembly according to claim 1, characterized in that: A sealing cover (13) is threadedly connected to the refueling port (8).

4. An engine power output assembly according to claim 1, 2 or 3, characterized in that: The power box (1) comprises a transfer box front shell (1a) and a transfer box rear shell (1b), and the transfer box front shell (1a) and the transfer box rear shell (1b) are connected by fastening bolts (12).

5. The engine power output assembly according to claim 4, characterized in that: A flywheel housing (14) is provided at a position on the transfer case rear housing (1b) corresponding to the crankshaft gear (2), and the flywheel housing (14) and the transfer case rear housing (1b) are an integrally formed structure.

6. The engine power output assembly according to claim 4, characterized in that: A mounting seat (15) is also provided at a position on the transfer case front shell (1a) corresponding to the crankshaft gear (2); the mounting seat (15) and the transfer case front shell (1a) are an integrally formed structure.

7. An engine power output assembly according to claim 6, characterized in that: The mounting seat (15) is provided with a plurality of fastening bolts (12), and the mounting seat (15) is also provided with at least two positioning pins (16).

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