Electro-hydraulic drive speed reducer

Abstract

An electro-hydraulic driving speed reducer relates to the technical field of speed reducers and comprises a box body, a box cover is fixedly connected to one side wall of the box body, driving mounting ports are formed in the other three side walls, in the same circumferential direction as the box cover, of the box body respectively, a driving source is mounted in one of the three driving mounting ports, and a multi-stage speed reduction structure connected with the driving source is arranged in the box cover. The output tail end of the multi-stage speed reduction structure is connected with an output shaft. The speed reducer solves the problems that in the prior art, a speed reducer is narrow in matching range, can only be provided with a low-speed motor and a low-speed motor, is small in reduction ratio, cannot meet the proper design requirements of the working speed and the walking speed, is only suitable for miniature vehicles and is limited in use range.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to an electro-hydraulic driven reducer. Background Art

[0002] Traditional loader reducers are used in engineering machinery equipment used in coal mines, mining machinery, ports, agriculture, wood industry or other occasions. They usually use hydraulic drive as the power source, and the device has problems such as low integration, loose sealing, large size, etc., and the overall effect is not good.

[0003] As the existing devices are used, the shortcomings of the technology are gradually exposed, mainly in the following aspects:

[0004] The existing reducers have a narrow matching range and can only be matched with low-speed motors and low-speed motors. The small reduction ratio cannot achieve the appropriate design requirements for working speed and walking speed. They are only suitable for micro vehicles and have a limited scope of use.

[0005] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0006] In view of the defects in the prior art, the utility model provides an electro-hydraulic driven reducer to solve the problems that the reducer in traditional technology has a narrow matching range and can only be matched with low-speed motors and low-speed motors, the reduction ratio is small and cannot achieve the appropriate design requirements of working speed and walking speed, and it is only suitable for micro vehicles and has a limited scope of use.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The electro-hydraulic driven reducer comprises a box body, a box cover is fixedly connected to one side wall of the box body, and the other three side walls of the box body in the same circumferential direction as the box cover are respectively provided with drive mounting openings, one of the three drive mounting openings is selected to install a drive source, a multi-stage reduction structure connected to the drive source is provided in the box cover, and an output shaft is connected to the output end of the multi-stage reduction structure.

[0009] As an optimized solution, the driving end of the driving source is connected to an input bevel gear 1, and the multi-stage reduction structure includes a rotatably arranged input shaft 1, on which an output bevel gear 2 meshing with the input bevel gear 1 is fixedly arranged.

[0010] As an optimized solution, the multi-stage reduction structure also includes a rotatably arranged intermediate shaft 2, on which an intermediate gear 3 is fixedly arranged, and the input shaft 1 is provided with a tooth pattern 1, which meshes with the intermediate gear 3 through the tooth pattern 1.

[0011] As an optimized solution, the multi-stage reduction structure also includes a rotatably arranged intermediate shaft three, on which an intermediate gear four is fixedly arranged, and on which a tooth pattern two is arranged, and which meshes with the intermediate gear four through the tooth pattern two.

[0012] As an optimized solution, an output gear five is fixedly provided on the output shaft, and a tooth pattern three is provided on the intermediate shaft three, and meshes with the output gear five through the tooth pattern three.

[0013] As an optimized solution, the driving source includes a driving motor or a hydraulic motor.

[0014] As an optimized solution, the drive mounting port in a non-use state is fixedly connected with a blocking cover by bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The reducer has a simple and compact structure, small size, soft transmission, and three drive installation ports are reserved. The transmission angle can be changed by a set of bevel gears, which can meet the needs of various vehicle models for easy installation. Through four-stage reduction, various reduction ratios of 1-100 can be achieved, and various speed and high-speed drive motors and hydraulic motors can be matched, with a wide matching range;

[0017] It is suitable for driving the driving wheels of skid loaders and various small electric and hydraulic driven agricultural harvesters, livestock machinery and other chassis to achieve stepless speed change travel function. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the structure in the left viewing direction;

[0021] Figure 3 for Figure 1 Middle AA section view;

[0022] Figure 4 for Figure 2 Middle BB section view;

[0023] Figure 5 It is a structural schematic diagram of the drive installation port of the utility model.

[0024] In the figure: 1-box body; 2-box cover; 3-input bevel gear one; 4-output bevel gear two; 5-input shaft one; 6-intermediate gear three; 7-intermediate shaft two; 8-intermediate gear four; 9-intermediate shaft three; 10-output gear five; 11-output shaft; 12-drive source; 13-drive installation port. DETAILED DESCRIPTION

[0025] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0026] like Figures 1 to 5 As shown, the electro-hydraulic driven reducer includes a box body 1, a box cover 2 is fixedly connected to one side wall of the box body 1, and the other three side walls of the box body 1 in the same circumferential direction as the box cover 2 are respectively provided with drive installation openings 13, and one of the three drive installation openings 13 is selected to install a drive source 12, and a multi-stage reduction structure connected to the drive source 12 is provided in the box cover 2, and an output shaft 11 is connected to the output end of the multi-stage reduction structure.

[0027] The driving end of the driving source 12 is connected to an input bevel gear 1 3 , and the multi-stage reduction structure includes a rotatably arranged input shaft 1 5 , on which an output bevel gear 2 4 meshing with the input bevel gear 1 3 is fixedly arranged.

[0028] The multi-stage reduction structure also includes a rotatably arranged intermediate shaft 2 7 , on which an intermediate gear 3 6 is fixedly arranged, and an input shaft 1 5 is provided with a tooth pattern 1 and meshes with the intermediate gear 3 6 through the tooth pattern 1.

[0029] The multi-stage reduction structure also includes a rotatably arranged intermediate shaft three 9, on which an intermediate gear four 8 is fixedly arranged, and an intermediate shaft two 7 is provided with a tooth pattern two, which meshes with the intermediate gear four 8 through the tooth pattern two.

[0030] An output gear 5 10 is fixedly mounted on the output shaft 11 , and a tooth pattern 3 is disposed on the intermediate shaft 3 9 , and meshes with the output gear 5 10 via the tooth pattern 3 .

[0031] The driving source 12 includes a driving motor or a hydraulic motor.

[0032] The drive installation opening 13 in a non-use state is fixed with a blocking cover by means of bolts.

[0033] The transmission has a simple and compact structure, small size, soft transmission, and three drive installation ports are reserved. The transmission angle can be changed by a set of bevel gears, which can meet the needs of various models for easy installation. The four-stage reduction can achieve various reduction ratios of 1-100, and can match various speeds and high-speed drive motors and hydraulic motors, with a wide matching range.

[0034] It is suitable for driving the driving wheels of skid loaders and various small electric and hydraulic driven agricultural harvesters, livestock machinery and other chassis to achieve stepless speed change travel function.

[0035] The transmission route of this device is:

[0036] The output shaft of the driving device drives the input bevel gear 1 3 to mesh with the output bevel gear 2 4 through the spline to realize the reversing drive; the output bevel gear 2 4 drives the input shaft 1 5 through the spline; the input shaft 1 5 is processed with teeth to drive the intermediate gear 3 6; the intermediate gear 3 6 drives the intermediate shaft 2 7 through the key;

[0037] Intermediate shaft two 7 is machined with teeth to drive intermediate gear four 8; intermediate gear four 8 drives intermediate shaft three 9 through a key, intermediate shaft three 9 is machined with teeth to drive output gear five 10; output gear five 10 drives output shaft 11 through a key; finally, output shaft 11 drives the driving wheel to realize power transmission.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. Electro-hydraulic driven reducer, characterized by: The invention comprises a box body (1), a box cover (2) is fixedly connected to one side wall of the box body (1), the other three side walls of the box body (1) in the same circumferential direction as the box cover (2) are respectively provided with drive installation openings (13), one of the three drive installation openings (13) is selected to install a drive source (12), a multi-stage reduction structure connected to the drive source (12) is provided inside the box cover (2), and an output end of the multi-stage reduction structure is connected to an output shaft (11), The driving end of the driving source (12) is connected to an input bevel gear (3), the multi-stage reduction structure comprises an input shaft (5) which is rotatably arranged, an output bevel gear (4) which meshes with the input bevel gear (3) is fixedly arranged on the input shaft (5), The multi-stage reduction structure further comprises a rotatably arranged intermediate shaft 2 (7), on which an intermediate gear 3 (6) is fixedly arranged, and the input shaft 1 (5) is provided with a tooth pattern 1, and meshes with the intermediate gear 3 (6) through the tooth pattern 1. The multi-stage reduction structure further comprises a rotatably arranged intermediate shaft three (9), on which an intermediate gear four (8) is fixedly arranged, and the intermediate shaft two (7) is provided with a tooth pattern two, and meshes with the intermediate gear four (8) through the tooth pattern two. An output gear five (10) is fixedly arranged on the output shaft (11), and a tooth pattern three is arranged on the intermediate shaft three (9), and meshes with the output gear five (10) through the tooth pattern three.

2. The electro-hydraulic drive reducer according to claim 1, characterized in that: The driving source (12) includes a driving motor or a hydraulic motor.

3. The electro-hydraulic drive reducer according to claim 1, characterized in that: The drive installation port (13) in a non-use state is fixedly connected with a blocking cover by means of bolts.

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