CN217401627U - Double-lead screw transmission device - Google Patents
Double-lead screw transmission device Download PDFInfo
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- CN217401627U CN217401627U CN202123394211.2U CN202123394211U CN217401627U CN 217401627 U CN217401627 U CN 217401627U CN 202123394211 U CN202123394211 U CN 202123394211U CN 217401627 U CN217401627 U CN 217401627U
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Abstract
The utility model relates to a double lead screw transmission device which is applied to an excavator and comprises a shell, a motor, a transmission mechanism and a lead screw mechanism; the output shaft of the motor is connected with the transmission mechanism, the transmission mechanism is connected with the lead screw mechanism, the motor drives the transmission mechanism, the transmission mechanism drives the lead screw mechanism to rotate, and the lead screw mechanism is meshed with a large arm gear of the excavator. The utility model discloses can balance the dynamics of the big arm of excavator, effectively reduce the requirement of production material, reduce cost of maintenance.
Description
Technical Field
The utility model relates to an excavator technical field especially relates to a double lead screw transmission.
Background
In the prior art, the excavator basically adopts a single lead screw, when the weight is slightly larger, other parts are easily damaged by lifting the large arm, the requirement on production materials is higher, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a can balance the dynamics of the big arm of excavator, effectively reduces the parallel feed screw transmission of the requirement of production material.
The utility model provides a technical scheme that its technical problem adopted is: a double-screw transmission device is constructed and applied to an excavator, and comprises a shell, a motor, a transmission mechanism and a screw mechanism;
the output shaft of the motor is connected with the transmission mechanism, the transmission mechanism is connected with the lead screw mechanism, the motor drives the transmission mechanism, the transmission mechanism drives the lead screw mechanism to rotate, and the lead screw mechanism is meshed with a large arm gear of the excavator.
Furthermore, an output shaft of the motor is connected with the transmission mechanism through a first gear, the first gear is sleeved on the output shaft of the motor, and the first gear is in meshed connection with the transmission mechanism.
Further, the transmission mechanism comprises a driving assembly, a transmission assembly and a driven assembly, the driving assembly is respectively meshed with the output shaft of the motor and the transmission assembly, the transmission assembly is meshed with the driven assembly, and the driven assembly is meshed with the screw rod mechanism.
Furthermore, the driving assembly comprises a driving shaft, a second gear and a third gear, and the second gear and the third gear are respectively sleeved on the driving shaft in sequence; the second gear is in meshed connection with the first gear, and the third gear is in meshed connection with the transmission assembly.
Further, the transmission assembly comprises a first transmission part and a second transmission part; the first transmission part is meshed with the second transmission part;
the first transmission part comprises a first transmission shaft, a fourth gear, a fifth gear, a sixth gear and a seventh gear, and the fourth gear, the fifth gear, the sixth gear and the seventh gear are respectively sleeved on the first transmission shaft in sequence;
the second transmission part comprises a second transmission shaft, an eighth gear, a ninth gear, a tenth gear and an eleventh gear, and the eighth gear, the ninth gear, the tenth gear and the eleventh gear are respectively sleeved on the second transmission shaft in sequence.
Further, the fourth gear is in meshed connection with the third gear, the fifth gear is in meshed connection with the eighth gear, the sixth gear is in meshed connection with the ninth gear, and the seventh gear is in meshed connection with the tenth gear.
Further, the driven assembly comprises a driven shaft, a twelfth gear and a thirteenth gear, and the twelfth gear and the thirteenth gear are respectively sleeved on the driven shaft in sequence;
the twelfth gear is in meshed connection with the eleventh gear, and the thirteenth gear is meshed with the lead screw mechanism.
Further, the screw mechanism comprises a first screw, a second screw, a fourteenth gear, a fifteenth gear and a sixteenth gear;
the first lead screw and the second lead screw are respectively in meshed connection with a large arm gear of the excavator, the fourteenth gear is sleeved on the first lead screw, and the sixteenth gear is sleeved on the second lead screw.
Further, the shell includes upper cover and drain pan, the upper cover with the drain pan is dismantled and is connected.
Furthermore, the upper cover and the bottom shell are respectively provided with a connecting piece for fixing in the tooth box of the large arm.
Implement the utility model discloses following beneficial effect has: the utility model discloses utilize the mariages thick stick structure, the dynamics of the big arm of excavator can be balanced, the requirement of effective reduction production material reduces cost of maintenance.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic cross-sectional view of a double screw transmission of the present invention;
fig. 2 is a schematic structural view of the double screw transmission device of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Referring to fig. 1-2, the double lead screw transmission device of the present invention can be applied to an excavator, and includes a housing 1, a motor 2, a transmission mechanism 3 and a lead screw mechanism 4;
the output shaft of the motor 2 is connected with the transmission mechanism 3, the transmission mechanism 3 is connected with the screw rod mechanism 4, the transmission mechanism 3 is driven by the power provided by the motor 2, the screw rod mechanism 4 is driven by the transmission mechanism 3 to rotate, and the screw rod mechanism 4 is meshed with a large arm gear of the excavator.
Further, the housing 1 includes an upper cover and a bottom case, and the upper cover is detachably connected to the bottom case. The motor 2 is connected with the transmission mechanism 3 through installing in the drain pan, can also set up motor 2 shell 1 outside motor 2, the equal holding of partial part of transmission mechanism 3 and screw mechanism 4 is in shell 1, upper cover and drain pan can be according to the shape size setting of transmission mechanism 3 and screw mechanism 4 to save whole installation space, the upper cover can correspond with the drain pan and set up the mounting hole, both fix through the screw, the quantity of mounting hole can set up a plurality ofly according to actual conditions. Understandably, the upper cover and the bottom shell can be fixed in other modes, and can be conveniently disassembled and assembled, so that the parts are convenient to overhaul.
The upper cover and the bottom shell are respectively provided with a connecting piece for fixing in the tooth box of the big arm, the double-screw transmission device is installed in the tooth box of the big arm of the excavator, the connecting piece is connected with the tooth box of the big arm, and the number of the connecting pieces can be adjusted according to actual conditions.
Further, an output shaft of the motor 2 is connected with the transmission mechanism 3 through a first gear 21, the first gear 21 is sleeved on the output shaft of the motor 2, the first gear 21 is meshed with the transmission mechanism 3, and the transmission mechanism 3 is driven by the motor 2, so that the screw rod mechanism 4 is driven to rotate.
Further, the transmission mechanism 3 comprises a driving assembly 31, a transmission assembly 32 and a driven assembly 33, the driving assembly 31 is respectively engaged with the output shaft of the motor 2 and the transmission assembly 32, the transmission assembly 32 is engaged with the driven assembly 33, and the driven assembly 33 is engaged with the lead screw mechanism 4.
Further, the driving assembly 31 includes a driving shaft, a second gear and a third gear, the second gear and the third gear are respectively sleeved on the driving shaft in sequence, and the third gear is sleeved on the second gear; specifically, the second gear and the third gear may be an integral structure;
the second gear is meshed with the first gear 21, the third gear is meshed with the transmission assembly 32, and the output shaft of the motor 2 drives the first gear 21, so that the second gear and the third gear are driven to rotate.
Further, the transmission assembly 32 includes a first transmission portion and a second transmission portion; the first transmission part is meshed with the second transmission part;
specifically, the first transmission part comprises a first transmission shaft, a fourth gear, a fifth gear, a sixth gear and a seventh gear, and the fourth gear, the fifth gear, the sixth gear and the seventh gear are respectively sleeved on the first transmission shaft in sequence; the fifth gear is sleeved on the fourth gear, the seventh gear is sleeved on the sixth gear, the fourth gear and the fifth gear can be of an integral structure, and the sixth gear and the seventh gear can be of an integral structure;
the second transmission part comprises a second transmission shaft, an eighth gear, a ninth gear, a tenth gear and an eleventh gear, and the eighth gear, the ninth gear, the tenth gear and the eleventh gear are respectively sleeved on the second transmission shaft in sequence; the ninth gear is sleeved on the eighth gear, the eleventh gear is sleeved on the tenth gear, the eighth gear and the ninth gear can be of an integral structure, and the tenth gear and the eleventh gear can be of an integral structure.
Furthermore, the fourth gear is in meshed connection with the third gear, the fifth gear is in meshed connection with the eighth gear, the sixth gear is in meshed connection with the ninth gear, and the seventh gear is in meshed connection with the tenth gear.
Further, the driven assembly 33 includes a driven shaft, a twelfth gear and a thirteenth gear, and the twelfth gear and the thirteenth gear are respectively sleeved on the driven shaft in sequence; the thirteenth gear is sleeved on the twelfth gear, and specifically, the twelfth gear and the thirteenth gear can be of an integrated structure; the twelfth gear is meshed with the eleventh gear, and the thirteenth gear is meshed with the screw mechanism 4.
Further, the screw mechanism 4 includes a first screw 41, a second screw 42, a fourteenth gear, a fifteenth gear, and a sixteenth gear; the first lead screw and the second lead screw respectively protrude out of the upper cover, and the fourteenth gear, the fifteenth gear and the sixteenth gear are accommodated in the shell 1.
The first lead screw and the second lead screw are respectively meshed with a large arm gear of the excavator, the fourteenth gear is sleeved on the first lead screw, and the sixteenth gear is sleeved on the second lead screw. Specifically, a first end of the first lead screw and a first end of the second lead screw are respectively engaged with the large arm gear, the fourteenth gear sleeve is arranged in a connecting shaft extending from a second end of the first lead screw, the sixteenth gear sleeve is arranged in a connecting shaft extending from a second end of the second lead screw, and the fifteenth gear is respectively engaged with the fourteenth gear and the fifteenth gear.
The utility model can balance the force of the large arm of the excavator and effectively reduce the requirement of production materials; in the prior art, a single lead screw is basically adopted, and when the weight is slightly larger, other parts are easily damaged by lifting the large arm, so that the maintenance cost is reduced.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A double lead screw transmission device is applied to an excavator and is characterized by comprising a shell, a motor, a transmission mechanism and a lead screw mechanism;
the output shaft of the motor is connected with the transmission mechanism, the transmission mechanism is connected with the lead screw mechanism, the motor drives the transmission mechanism, the transmission mechanism drives the lead screw mechanism to rotate, and the lead screw mechanism is meshed with a large arm gear of the excavator.
2. The parallel lead screw transmission device of claim 1, wherein the output shaft of the motor is connected to the transmission mechanism through a first gear, the first gear is sleeved on the output shaft of the motor, and the first gear is meshed with the transmission mechanism.
3. The parallel lead screw transmission device of claim 2, wherein the transmission mechanism comprises a driving assembly, a transmission assembly and a driven assembly, the driving assembly is respectively engaged with the output shaft of the motor and the transmission assembly, the transmission assembly is engaged with the driven assembly, and the driven assembly is engaged with the lead screw mechanism.
4. The parallel lead screw transmission device of claim 3, wherein the driving assembly comprises a driving shaft, a second gear and a third gear, and the second gear and the third gear are respectively sleeved on the driving shaft in sequence; the second gear is in meshed connection with the first gear, and the third gear is in meshed connection with the transmission assembly.
5. The parallel lead screw transmission of claim 4, wherein the transmission assembly comprises a first transmission portion and a second transmission portion; the first transmission part is meshed with the second transmission part;
the first transmission part comprises a first transmission shaft, a fourth gear, a fifth gear, a sixth gear and a seventh gear, and the fourth gear, the fifth gear, the sixth gear and the seventh gear are respectively sleeved on the first transmission shaft in sequence;
the second transmission part comprises a second transmission shaft, an eighth gear, a ninth gear, a tenth gear and an eleventh gear, and the eighth gear, the ninth gear, the tenth gear and the eleventh gear are respectively sleeved on the second transmission shaft in sequence.
6. The twin screw drive of claim 5, wherein the fourth gear is in meshing engagement with the third gear, the fifth gear is in meshing engagement with the eighth gear, the sixth gear is in meshing engagement with the ninth gear, and the seventh gear is in meshing engagement with the tenth gear.
7. The twin screw drive of claim 5, wherein the driven assembly comprises a driven shaft, a twelfth gear and a thirteenth gear, the twelfth gear and the thirteenth gear are respectively sleeved on the driven shaft in sequence;
the twelfth gear is in meshed connection with the eleventh gear, and the thirteenth gear is meshed with the lead screw mechanism.
8. The twin screw drive of claim 3, wherein the screw mechanism comprises a first screw, a second screw, a fourteenth gear, a fifteenth gear, and a sixteenth gear;
the first lead screw and the second lead screw are respectively in meshed connection with a large arm gear of the excavator, the fourteenth gear is sleeved on the first lead screw, and the sixteenth gear is sleeved on the second lead screw.
9. The twin screw drive of claim 1, wherein the housing comprises an upper cover and a bottom shell, the upper cover being removably connected to the bottom shell.
10. The twin screw drive of claim 9, wherein the upper cover and the bottom shell are each provided with a connector for securing in a gearbox of the boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394211.2U CN217401627U (en) | 2021-12-30 | 2021-12-30 | Double-lead screw transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394211.2U CN217401627U (en) | 2021-12-30 | 2021-12-30 | Double-lead screw transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401627U true CN217401627U (en) | 2022-09-09 |
Family
ID=83134569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123394211.2U Active CN217401627U (en) | 2021-12-30 | 2021-12-30 | Double-lead screw transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401627U (en) |
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2021
- 2021-12-30 CN CN202123394211.2U patent/CN217401627U/en active Active
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