Electric drive device integrating braking and torque increasing

Abstract

The invention discloses an electric driving device integrating braking and torque increasing, and belongs to the technical field of electric driving. The electric driving device comprises a driving motor, the driving motor is fixedly connected with a gear reducer, and the output end of the driving motor is fixedly connected with the input end of the gear reducer; the output end of the gear reducer is connected with a brake used for braking the gear reducer and an adjustable connecting shaft assembly used for adapting to different installation widths. The adjusting type connecting shaft assembly is connected with a follow-up type cooling assembly used for cooling lubricating oil. The follow-up cooling assembly is connected with a planetary reducer, and the planetary reducer is in transmission connection with the input end of an external crawler belt. By means of the mode, large-range transmission ratio adjustment is achieved, equipment can obtain the optimal speed and torque matching under different working conditions, the adaptability and efficiency of the system are improved, and by means of the independent design of the planetary reducer, the universality of the planetary reducer can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric drive, and in particular to an electric drive device integrating braking and torque increase. Background Art

[0002] With the continuous development of electric technology, electric drive is gradually running in crawler transmission systems.

[0003] However, the existing electric drive crawler transmission solutions still have some shortcomings in practical applications. The transmission efficiency of some electric drive systems is not high, resulting in a waste of electric energy. Some designs have complex structures, which increase the weight and volume of the equipment and reduce the maneuverability of the equipment. Some have poor reliability and stability under complex working conditions, affecting the normal use of the equipment. Moreover, the existing transmission devices have certain limitations in meeting different speed and torque requirements.

[0004] Based on this, the present invention designs an electric drive device integrating braking and torque increase to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides an electric drive device integrating braking and torque increase.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] An electric drive device integrating braking and torque increase, comprising a drive motor:

[0008] The drive motor is fixedly connected to the gear reducer, and the output end of the drive motor is fixedly connected to the input end of the gear reducer;

[0009] The output end of the gear reducer is respectively connected with a brake for braking the gear reducer and an adjustable coupling assembly for adapting to different installation widths;

[0010] The adjusting coupling assembly is connected with a follow-up cooling assembly for cooling the lubricating oil;

[0011] The follow-up cooling component is connected with a planetary reducer, and the planetary reducer is drivingly connected with an external crawler input end.

[0012] Furthermore, the adjustable coupling assembly includes a transverse shaft, a gear sleeve and a gear rod. The transverse shaft is fixedly connected to the output end of the gear reducer, and the end of the transverse shaft away from the gear reducer is fixedly connected to the gear sleeve. The gear sleeve is plugged into the gear rod through a tooth groove, and the gear rod is fixedly connected to the follow-up cooling assembly.

[0013] Furthermore, the follow-up cooling component includes a reciprocating liquid pumping component, an air flow component, a filter component and a cooling component. The filter component is fixedly connected to the planetary reducer, the filter component is fixedly connected to the reciprocating liquid pumping component, and the reciprocating liquid pumping component is fixedly connected to the gear rod and the output end of the planetary reducer. The reciprocating liquid pumping component is connected to the cooling component, and the cooling component is fixedly connected to the planetary reducer, and the air flow component is fixedly connected to the gear rod.

[0014] Furthermore, the filter assembly includes a second pipe, a filter cartridge, a cover body, a filter cartridge and a retaining ring. The second pipe is fixedly connected to the planetary reducer, a retaining ring is fixedly connected to the inner wall of the filter cartridge, an end of the retaining ring is in close contact with the open end of the filter cartridge, and an end of the filter cartridge close to the retaining ring is in close contact and sliding connection with the inner wall of the filter cartridge, an end of the filter cartridge away from the retaining ring is fixedly connected to the cover body, and the cover body is threadedly connected to the filter cartridge, the second pipe is fixedly connected to the filter cartridge, and the connection position of the second pipe and the filter cartridge is located at the end of the retaining ring close to the cover body, the filter cartridge is connected to a reciprocating liquid pumping assembly, and the connection position of the reciprocating liquid pumping assembly and the filter cartridge is located at the end of the retaining ring away from the cover body.

[0015] Furthermore, the reciprocating liquid pumping assembly includes a mounting frame, a crankshaft, a third pipeline, a first one-way valve, a piston cylinder, a second one-way valve, a fourth pipeline, a movable plate, a piston and a piston rod. The third pipeline is connected to the filter cylinder, and the connection position of the third pipeline and the filter cylinder is located at the end of the retaining ring away from the cover body. The third pipeline is fixedly connected to the first one-way valve. The two ends of the crankshaft are respectively fixedly connected to the planetary reducer and the gear rod. The convex shaft part of the crankshaft is rotatably connected to the movable plate, and the end of the movable plate away from the crankshaft is rotatably connected to the piston rod. The piston rod is fixedly connected to the piston, and the outer wall of the piston is slidably connected to the inner wall of the piston cylinder. The end of the piston cylinder away from the crankshaft is connected to the third pipeline and the fourth pipeline. The fourth pipeline is fixedly connected to the second one-way valve, and the opening directions of the second one-way valve and the first one-way valve are opposite. The fourth pipeline is connected to the cooling assembly, and the outer wall of the piston cylinder is fixedly connected to the mounting frame.

[0016] Furthermore, the air flow component uses fan blades, and the fan blades are fixedly mounted on the gear rod.

[0017] Furthermore, the cooling component includes a capillary, a straight tube and a first pipe, one end of the first pipe and the end of the fourth pipe away from the planetary reducer are fixedly connected with the straight tube, capillaries are fixedly connected at equal intervals between the straight tubes, and the other end of the first pipe is fixedly connected to the planetary reducer.

[0018] Furthermore, the connection position between the first pipeline and the planetary reducer and the connection position between the second pipeline and the planetary reducer are symmetrically arranged on the front and rear sides of the crankshaft.

[0019] Beneficial effects: The gear reducer and the planetary reducer of the present invention are designed independently. The gear reducer is used to achieve a wide range of transmission ratio adjustment, so that the equipment can obtain the best speed and torque matching under different working conditions, and the adaptability and efficiency of the system are improved. The independent design of the planetary reducer can not only increase the versatility of the planetary reducer, but also amplify the braking torque from the brake through the planetary reducer; the integrated design of the drive motor, gear reducer and planetary reducer optimizes the structural layout, reduces the loss in the energy transfer process, and improves the efficiency of the entire transmission system. At the same time, the structure is more compact, saving installation space and improving the overall performance of the equipment; the adjustable shaft coupling assembly helps to adjust the spacing between the gear reducer and the planetary reducer, which is conducive to adjusting the installation position of the planetary reducer according to the installation requirements; in addition, the follow-up cooling assembly filters and cools the flowing lubricating oil due to the flow of lubricating oil in the planetary reducer, and the filtered lubricating oil is conducive to lubrication treatment, with higher lubrication efficiency and better lubrication effect. The cooled lubricating oil helps to cool the planetary reducer and extend the service life of the planetary reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The present invention is a three-dimensional electric drive device integrating braking and torque increase Figure 1 ;

[0022] Figure 2 It is a front view of an electric drive device integrating braking and torque increase of the present invention;

[0023] Figure 3 The present invention is a three-dimensional electric drive device integrating braking and torque increase Figure 2 ;

[0024] Figure 4 The present invention is a three-dimensional electric drive device integrating braking and torque increase Figure 3 ;

[0025] Figure 5 The present invention is a three-dimensional electric drive device integrating braking and torque increase Figure 4 ;

[0026] Figure 6 For along Figure 2 AA direction cross-sectional view;

[0027] Figure 7 for Figure 6 A magnified view of the structure at B;

[0028] Figure 8 for Figure 6 Enlarged view of the structure at location C.

[0029] The numbers in the figure represent:

[0030] 1. Driving motor; 2. Brake; 3. Gear reducer; 4. Adjustable coupling assembly; 41. Horizontal axis; 42. Gear sleeve; 43. Gear rod; 5. Planetary reducer; 6. Follow-up cooling assembly; 61. Capillary tube; 62. Straight tube; 63. First pipeline; 64. Mounting frame; 65. Crankshaft; 66. Fan blade; 67. Second pipeline; 68. Filter cartridge; 69. Third pipeline; 610. First one-way valve; 611. Piston cylinder; 612. Second one-way valve; 613. Fourth pipeline; 614. Movable plate; 615. Cover; 616. Piston; 617. Piston rod; 618. Filter cartridge; 619. Retaining ring. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The present invention will be further described below in conjunction with the embodiments.

[0033] For example, see Figure 1-Figure 8 , an electric drive device integrating braking and torque increase, comprising a drive motor 1:

[0034] The drive motor 1 is fixedly connected to the gear reducer 3, and the output end of the drive motor 1 is fixedly connected to the input end of the gear reducer 3;

[0035] The output end of the gear reducer 3 is respectively connected with a brake 2 for braking the gear reducer 3 and an adjustable coupling assembly 4 for adapting to different installation widths;

[0036] The adjusting coupling assembly 4 is connected with a follow-up cooling assembly 6 for cooling the lubricating oil;

[0037] The follow-up cooling assembly 6 is connected to a planetary reducer 5, and the planetary reducer 5 is drivingly connected to the external crawler input end;

[0038] The gear reducer 3 and the planetary reducer 5 are designed independently. The gear reducer 3 is used to achieve a wide range of transmission ratio adjustment, so that the equipment can obtain the best speed and torque matching under different working conditions, and improve the adaptability and efficiency of the system. The independent design of the planetary reducer 5 can not only increase the versatility of the planetary reducer 5, but also amplify the braking torque from the brake 2 through the planetary reducer 5; the integrated design of the drive motor 1, the gear reducer 3 and the planetary reducer 5 optimizes the structural layout, reduces the loss in the energy transfer process, and improves the efficiency of the entire transmission system. At the same time, the structure is more compact, saves installation space, and improves the overall performance of the equipment; the adjustable shaft coupling assembly 4 helps to adjust the spacing between the gear reducer 3 and the planetary reducer 5, which is conducive to adjusting the installation position of the planetary reducer 5 according to the installation requirements; in addition, the follow-up cooling assembly 6 filters and cools the flowing lubricating oil due to the flow of lubricating oil in the planetary reducer 5. The filtered lubricating oil is conducive to lubrication treatment, with higher lubrication efficiency and better lubrication effect. The cooled lubricating oil helps to cool the planetary reducer 5 and extend the service life of the planetary reducer 5.

[0039] The adjustment type coupling assembly 4 includes a transverse shaft 41, a gear sleeve 42 and a gear rod 43. The transverse shaft 41 is fixedly connected to the output end of the gear reducer 3. The end of the transverse shaft 41 away from the gear reducer 3 is fixedly connected to the gear sleeve 42. The gear sleeve 42 is plugged into the gear rod 43 through a tooth groove. The gear rod 43 is fixedly connected to the follow-up cooling assembly 6.

[0040] The installation position of the planetary reducer 5 is adjusted according to the installation requirements. The planetary reducer 5 drives the gear rod 43 to move along the gear sleeve 42 through the follow-up cooling assembly 6. The gear reducer 3 drives the horizontal shaft 41 to rotate. The horizontal shaft 41 drives the gear sleeve 42 to rotate. The gear sleeve 42 drives the gear rod 43 to rotate. The gear rod 43 transfers kinetic energy to the planetary reducer 5 through the follow-up cooling assembly 6. The adjustable coupling assembly 4 helps to adjust the distance between the gear reducer 3 and the planetary reducer 5, which is conducive to adjusting the installation position of the planetary reducer 5 according to the installation requirements.

[0041] The follow-up cooling assembly 6 includes a reciprocating pumping assembly, an air flow assembly, a filter assembly and a cooling assembly. The filter assembly is connected and fixedly connected to the planetary reducer 5. The filter assembly is connected to the reciprocating pumping assembly, and the reciprocating pumping assembly is connected and fixedly connected to the gear rod 43 and the output end of the planetary reducer 5. The reciprocating pumping assembly is connected to the cooling assembly, and the cooling assembly is connected and fixedly connected to the planetary reducer 5, and the air flow assembly is connected and fixedly connected to the gear rod 43.

[0042] The reciprocating pumping assembly is fixedly connected to the planetary reducer 5;

[0043] The filter assembly includes a second pipe 67, a filter cartridge 68, a cover 615, a filter cartridge 618 and a retaining ring 619. The second pipe 67 is connected and fixedly connected to the planetary reducer 5. The inner wall of the filter cartridge 68 is fixedly connected with a retaining ring 619. The end of the retaining ring 619 is in close contact with the open end of the filter cartridge 618, and the end of the filter cartridge 618 close to the retaining ring 619 is in close contact with the inner wall of the filter cartridge 68. The end of the filter cartridge 618 away from the retaining ring 619 is fixedly connected with the cover 615, and the cover 615 is threadedly connected to the filter cartridge 68. The second pipe 67 is connected and fixedly connected to the filter cartridge 68, and the connection position of the second pipe 67 and the filter cartridge 68 is located at the end of the retaining ring 619 close to the cover 615. The filter cartridge 68 is connected to the reciprocating liquid pumping assembly, and the connection position of the reciprocating liquid pumping assembly and the filter cartridge 68 is located at the end of the retaining ring 619 away from the cover 615.

[0044] The reciprocating pumping assembly includes a mounting frame 64, a crankshaft 65, a third pipeline 69, a first one-way valve 610, a piston cylinder 611, a second one-way valve 612, a fourth pipeline 613, a movable plate 614, a piston 616 and a piston rod 617. The third pipeline 69 is connected to the filter cartridge 68, and the connection position of the third pipeline 69 and the filter cartridge 68 is located at the end of the retaining ring 619 away from the cover body 615. The third pipeline 69 is fixedly connected to the first one-way valve 610. The two ends of the crankshaft 65 are respectively fixedly connected to the planetary reducer 5 and the gear rod 43. The convex shaft part of the crankshaft 65 is rotatably connected to the movable Plate 614, the end of the movable plate 614 away from the crankshaft 65 is rotatably connected to the piston rod 617, the piston rod 617 is fixedly connected to the piston 616, and the outer wall of the piston 616 is slidably connected to the inner wall of the piston cylinder 611, the end of the piston cylinder 611 away from the crankshaft 65 is connected to the third pipe 69 and the fourth pipe 613, the fourth pipe 613 is fixedly connected to the second one-way valve 612, and the opening directions of the second one-way valve 612 and the first one-way valve 610 are opposite, the fourth pipe 613 is connected to the cooling component, and the outer wall of the piston cylinder 611 is fixedly connected to the mounting bracket 64.

[0045] The mounting bracket 64 is fixedly connected to the side wall of the planetary reducer 5 .

[0046] The air flow component uses a fan blade 66, and the fan blade 66 is fixedly mounted on the gear rod 43;

[0047] The cooling component includes a capillary 61, a straight tube 62 and a first pipe 63. One end of the first pipe 63 and the end of the fourth pipe 613 away from the planetary reducer 5 are fixedly connected with the straight tube 62. Capillaries 61 are fixedly connected at equal intervals between the straight tubes 62. The other end of the first pipe 63 is connected and fixedly connected to the planetary reducer 5.

[0048] The connection position between the first pipe 63 and the planetary reducer 5 and the connection position between the second pipe 67 and the planetary reducer 5 are symmetrically arranged at the front and rear sides of the crankshaft 65 .

[0049] The gear rod 43 drives the crankshaft 65 and the fan blade 66 of the reciprocating pumping assembly of the follow-up cooling assembly 6 to rotate, the fan blade 66 drives the gas to circulate, the crankshaft 65 drives the planetary reducer 5 to rotate for transmission, the crankshaft 65 drives the movable plate 614 to reciprocate, the movable plate 614 drives the piston rod 617 to reciprocate in the piston cylinder 611, the piston rod 617 drives the piston 616 to reciprocate in the piston cylinder 611, the piston 616 moves toward the crankshaft 65, the first one-way valve 610 is opened, and the second one-way valve 612 is closed, and negative pressure is generated in the piston cylinder 611, and the lubricant in the planetary reducer 5 is pumped into the filter cylinder 68 through the third pipeline 69 and the second pipeline 67. When the lubricating oil passes through the filter cylinder 68, the filter cylinder 618 is filtered, and the filtered lubricating oil enters the piston cylinder 611 through the third pipeline 69, and the piston 616 moves away from the crankshaft 65. When moving in the direction, the second one-way valve 612 opens and the first one-way valve 610 closes, the piston 616 pushes the lubricating oil in the piston cylinder 611 into the fourth pipe 613, and then into the straight pipe 62 connected to the fourth pipe 613 of the cooling component, and then enters the first pipe 63 connected to the planetary reducer 5 through the capillary 61, the fan blade 66 drives the circulating gas to contact the outer wall of the capillary 61, the flowing gas takes away the heat of the outer wall of the capillary 61, cools the capillary 61, cools the lubricating oil in the capillary 61, and finally enters the planetary reducer 5 after cooling. The follow-up cooling component 6 filters and cools the flowing lubricating oil due to the flow of the lubricating oil in the planetary reducer 5, and the filtered lubricating oil is conducive to lubrication, with higher lubrication efficiency and better lubrication effect. The cooled lubricating oil helps to cool the planetary reducer 5 and prolong the service life of the planetary reducer 5.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric drive device integrating braking and torque increase, comprising a drive motor (1), characterized in that: The drive motor (1) is fixedly connected to the gear reducer (3), and the output end of the drive motor (1) is fixedly connected to the input end of the gear reducer (3); The output end of the gear reducer (3) is respectively connected with a brake (2) for braking the gear reducer (3) and an adjustable shaft coupling assembly (4) for adapting to different installation widths; The adjustable shaft coupling assembly (4) is connected to a follow-up cooling assembly (6) for cooling the lubricating oil; The follow-up cooling assembly (6) is connected to a planetary reducer (5), and the planetary reducer (5) is drivingly connected to an external crawler input end.

2. The electric drive device integrating braking and torque increase according to claim 1, characterized in that: The adjustable shaft coupling assembly (4) comprises a transverse shaft (41), a gear sleeve (42) and a gear rod (43); the transverse shaft (41) is fixedly connected to the output end of the gear reducer (3); the end of the transverse shaft (41) away from the gear reducer (3) is fixedly connected to the gear sleeve (42); the gear sleeve (42) is plugged into the gear rod (43) via a tooth groove; and the gear rod (43) is fixedly connected to the follower cooling assembly (6).

3. The electric drive device integrating braking and torque increase according to claim 2, characterized in that: The follow-up cooling component (6) comprises a reciprocating pumping component, an air flow component, a filter component and a cooling component. The filter component is fixedly connected to the planetary reducer (5). The filter component is fixedly connected to the reciprocating pumping component, and the reciprocating pumping component is fixedly connected to the gear rod (43) and the output end of the planetary reducer (5). The reciprocating pumping component is connected to the cooling component, and the cooling component is fixedly connected to the planetary reducer (5), and the air flow component is fixedly connected to the gear rod (43).

4. The electric drive device integrating braking and torque increase according to claim 3, characterized in that: The filter assembly comprises a second pipe (67), a filter cartridge (68), a cover body (615), a filter cartridge (618) and a retaining ring (619); the second pipe (67) is connected to the planetary reducer (5) and fixedly connected; the inner wall of the filter cartridge (68) is fixedly connected with a retaining ring (619); the end of the retaining ring (619) is in close contact with the open end of the filter cartridge (618); the end of the filter cartridge (618) close to the retaining ring (619) is in close contact with the inner wall of the filter cartridge (68) and is slidably connected; the filter cartridge (618) is away from the retaining ring. The end of (619) is fixedly connected to a cover body (615), and the cover body (615) is threadedly connected to the filter cartridge (68), the second pipe (67) is in communication and fixedly connected to the filter cartridge (68), and the connection position of the second pipe (67) and the filter cartridge (68) is located at the end of the retaining ring (619) close to the cover body (615), the filter cartridge (68) is connected to a reciprocating liquid pumping assembly, and the connection position of the reciprocating liquid pumping assembly and the filter cartridge (68) is located at the end of the retaining ring (619) away from the cover body (615).

5. The electric drive device integrating braking and torque increase according to claim 4, characterized in that: The reciprocating liquid pumping assembly comprises a mounting frame (64), a crankshaft (65), a third pipeline (69), a first one-way valve (610), a piston cylinder (611), a second one-way valve (612), a fourth pipeline (613), a movable plate (614), a piston (616) and a piston rod (617). The third pipeline (69) is connected to the filter cylinder (68), and the connection position of the third pipeline (69) and the filter cylinder (68) is located at the end of the retaining ring (619) away from the cover body (615). The third pipeline (69) is fixedly connected to the first one-way valve (610). The two ends of the crankshaft (65) are respectively fixedly connected to the planetary reducer (5) and the gear rod (43). The convex shaft part of the crankshaft (65) is rotatably connected to the planetary reducer (5) and the gear rod (43). A movable plate (614) is provided, and the end of the movable plate (614) away from the crankshaft (65) is rotatably connected to a piston rod (617), the piston rod (617) is fixedly connected to a piston (616), and the outer wall of the piston (616) is slidably connected to the inner wall of the piston cylinder (611), the end of the piston cylinder (611) away from the crankshaft (65) is connected to the third pipeline (69) and the fourth pipeline (613), the fourth pipeline (613) is fixedly connected to a second one-way valve (612), and the second one-way valve (612) and the first one-way valve (610) are opened in opposite directions, the fourth pipeline (613) is connected to a cooling component, and the outer wall of the piston cylinder (611) is fixedly connected to a mounting frame (64).

6. The electric drive device integrating braking and torque increase according to claim 5, characterized in that: The air flow component is a fan blade (66), which is fixedly mounted on the gear rod (43).

7. The electric drive device integrating braking and torque increase according to any one of claims 5-6, characterized in that: The cooling component comprises a capillary tube (61), a straight tube (62) and a first pipe (63); one end of the first pipe (63) and an end of the fourth pipe (613) away from the planetary reducer (5) are both fixedly connected to the straight tube (62); the capillary tubes (61) are fixedly connected at equal intervals between the straight tubes (62); and the other end of the first pipe (63) is in communication and fixedly connected to the planetary reducer (5).

8. The electric drive device integrating braking and torque increase according to claim 7, characterized in that: The connection position between the first pipe (63) and the planetary reducer (5) and the connection position between the second pipe (67) and the planetary reducer (5) are symmetrically arranged on the front and rear sides of the crankshaft (65).

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