CN211082601U - Transmission shaft for speed change device and main shaft speed change device - Google Patents
Transmission shaft for speed change device and main shaft speed change device Download PDFInfo
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- CN211082601U CN211082601U CN201921720290.1U CN201921720290U CN211082601U CN 211082601 U CN211082601 U CN 211082601U CN 201921720290 U CN201921720290 U CN 201921720290U CN 211082601 U CN211082601 U CN 211082601U
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- locking section
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- speed change
- propeller shaft
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Abstract
The utility model belongs to the technical field of speed change devices, in particular to a transmission shaft for a speed change device and a main shaft speed change device, wherein the transmission shaft for the speed change device comprises a locking section and a connecting section; the locking section is fixedly connected with the connecting section, and the axes of the connecting section and the locking section are on the same straight line; the locking section is provided with mounting holes penetrating through two ends of the axis of the locking section, and the peripheral side wall of the locking section is provided with a threaded hole and a first through hole corresponding to the threaded hole; the connecting section is provided with exhaust holes penetrating through two ends of the axis of the connecting section, the exhaust holes are communicated with the mounting holes, so that the phenomenon that the input shaft slips relative to the locking section in a long-time working state is avoided, power input by the power device can be better transmitted to the input shaft, the connection precision is improved, the power transmission is better realized, and the power is greatly enhanced.
Description
Technical Field
The utility model belongs to the technical field of the speed change gear, especially, relate to a transmission shaft and main shaft speed change gear for speed change gear.
Background
According to the traditional continuous speed change device, when the traditional continuous speed change device needs to work under the condition of a large load, a large moment is often needed to be input into the speed change device through the input shaft, then power is output from the output shaft, but the input shaft is easy to wear and scrap under the influence of a long-time high load, so that the input shaft needs to be connected with the input shaft, although the existing input shaft can reduce the abrasion of one part of the input shaft, another problem also exists at the position where the input shaft is connected with the input shaft, and because the input shaft is not connected with the input shaft in place, the rotation axes of the input shaft and the input shaft are often not on the same straight line during work, the input power is greatly reduced, and even serious accidents can occur.
Therefore, a new input shaft is needed to be designed, which can be precisely connected with the input shaft, and can reduce the loss of power as much as possible and prevent accidents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission shaft and main shaft speed change gear for speed change gear, the not high technical problem who leads to the power decay of the input shaft who aims at solving among the prior art and the connection precision between the input shaft.
In order to achieve the above object, an embodiment of the present invention provides a transmission shaft for a transmission, including a locking section and a connecting section; the locking section is fixedly connected with the connecting section, and the axes of the connecting section and the locking section are on the same straight line; the locking section is provided with mounting holes penetrating through two ends of the axis of the locking section, and the peripheral side wall of the locking section is provided with a threaded hole and a first through hole corresponding to the threaded hole; the connecting section is provided with exhaust holes penetrating through two ends of the axis of the connecting section, and the exhaust holes are communicated with the mounting holes.
Optionally, the bottom of the locking section is further provided with a first elastic avoiding groove located between the threaded hole and the first via hole, and two second elastic avoiding grooves arranged in parallel are further provided on two opposite sides of the first elastic avoiding groove.
Optionally, the first elastic avoiding groove and the two second elastic avoiding grooves are arranged in a vertical shape and form an "H" shape.
Optionally, the bottom surface of the locking section is further provided with two positioning holes, and the two positioning holes are adjacently arranged along the circumferential direction of the bottom surface.
Optionally, a groove is annularly arranged on the outer peripheral side wall of the top of the locking section, and the circle center of the groove and the circle center of the top end face of the locking section are on the same straight line.
Optionally, the locking section has a diameter greater than the diameter of the connecting section.
Optionally, a second via hole penetrating through two ends of the side wall of the connecting section is formed in the outer peripheral side wall of the connecting section.
Optionally, the projection of the center of the second via hole is just on the central extension line of the first elastic avoiding groove.
Optionally, the transmission shaft for the transmission is made of carbon steel or alloy steel.
The embodiment of the utility model provides an above-mentioned one or more technical scheme for among transmission shaft of speed change gear has one of following technological effect at least: the utility model discloses a transmission shaft for speed change device, when using, firstly, cover the locking section cover of this device on the input shaft that needs to cooperate to use, can realize quick installation through the mounting hole that sets up, then, when the input shaft inserts to suitable position, use the fastener to insert in screw hole and the via hole that sets up on the peripheral lateral wall of locking section, can realize the locking of locking section to the input shaft through the fastener, the fastener of this scheme can adopt screw or bolt, after locking, connect the connecting portion of this device with power device, because take the mode of setting the axle center of connecting section and locking section on same straight line, and the locking section increases the locking intensity to the input shaft through the fastener, guaranteed that the input shaft can not take place the phenomenon of skidding for the locking section under long-time working state, make the power that power device input can well pass to the input shaft, the method is favorable for improving the connection precision, and better realizes the transmission of power, so that the power is greatly enhanced.
Another embodiment of the present invention provides a spindle transmission device, which includes the above-mentioned transmission shaft for a transmission device.
The embodiment of the utility model provides an among the main shaft speed change gear above-mentioned one or more technical scheme have one of following technological effect at least: the utility model discloses a main shaft speed change gear, owing to use there is foretell transmission shaft for speed change gear, owing to take the axle center setting mode on same straight line with linkage segment and locking section, and the locking section increases the locking intensity to the input shaft through the fastener, guaranteed that the phenomenon that the input shaft can not take place to skid for the locking section under the state of long-time work, make the power that power device input can pass the input shaft betterly, be favorable to the promotion of connection precision, realize the transmission of power betterly, make power strengthen by a wide margin.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a transmission shaft for a transmission according to an embodiment of the present invention.
Fig. 2 is another schematic structural diagram of a transmission shaft for a transmission according to an embodiment of the present invention.
Fig. 3 is a schematic plan view of a transmission shaft for a transmission according to an embodiment of the present invention.
Fig. 4 is another schematic plan view of a transmission shaft for a transmission according to an embodiment of the present invention.
Fig. 5 is a sectional view of a transmission shaft for a transmission according to an embodiment of the present invention.
Fig. 6 is a bottom view of a transmission shaft for a transmission according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-locking section 11-mounting hole 12-threaded hole
13-first via hole 14-first elastic avoiding groove 15-second elastic avoiding groove
16-positioning hole 17-groove 20-connecting section
21-vent hole 22-second via hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 2, there is provided a transmission shaft for a transmission, including a locking section 10 and a connecting section 20; the locking section 10 is fixedly connected with the connecting section 20, and the axes of the connecting section 20 and the locking section 10 are on the same straight line; the locking section 10 is provided with mounting holes 11 penetrating through two ends of the axis of the locking section, and the peripheral side wall of the locking section 10 is provided with a threaded hole 12 and a first through hole 13 corresponding to the threaded hole 12; the connecting section 20 is provided with exhaust holes 21 penetrating through two ends of the axis of the connecting section, and the exhaust holes 21 are communicated with the mounting hole 11.
The utility model discloses a transmission shaft for speed change device, when using, firstly, cover the locking section 10 cover of this device on the input shaft that needs to cooperate to use, can realize quick installation through the mounting hole 11 that sets up, then, when the input shaft inserts to suitable position, use the fastener to insert screw hole 12 and the via hole that sets up on the peripheral lateral wall of locking section 10, can realize the locking of locking section 10 to the input shaft through the fastener, the fastener of this scheme can adopt screw or bolt, after locking, connect the connecting portion and the power device of this device, because take the mode of setting the axle center of linkage segment 20 and locking section 10 on the same straight line, and locking section 10 increases the locking intensity to the input shaft through the fastener, guaranteed under the state of working for a long time the input shaft can not take place the phenomenon of skidding for locking section 10, the power input by the power device can be better transmitted to the input shaft, the connection precision is favorably improved, the power transmission is better realized, and the power is greatly enhanced.
In another embodiment of the present invention, as shown in fig. 1 and 3, a first elastic avoiding groove 14 located between the threaded hole 12 and the first via hole 13 is further opened at the bottom of the locking section 10, and two second elastic avoiding grooves 15 arranged in parallel are further opened at two opposite sides of the first elastic avoiding groove 14. Specifically, a first elastic avoiding groove 14 provided between the screw hole 12 and the first via hole 13, the locking section 10 can be made to generate larger elastic deformation when locking the input shaft so as to make the locking section 10 contract towards the inside of the mounting hole 11, so that the locking section 10 has a larger clamping force on the input shaft, the input shaft is not easy to slip during the rotation process, the two second elastic avoiding grooves 15 which are arranged in parallel and are arranged at the two opposite sides of the first elastic avoiding groove 14 provide a larger elastic deformation range for the locking section 10, because two second elastic avoiding grooves 15 are arranged, the locking section 10 can keep the axes of the mounting hole 11 and the input shaft on the same straight line when the input shaft is locked, namely, the input shaft cannot deviate relative to the device when rotating to cause accidents, and the safety of the whole process is improved.
In another embodiment of the present invention, as shown in fig. 1 and 3, the first elastic avoiding groove 14 and the two second elastic avoiding grooves 15 are arranged in a vertical shape and form an "H" shape. Specifically, first elasticity keeps away a groove 14 and just sets up on the position of the mid point in two second elasticity keep away groove 15, two second elasticity keep away a groove 15 has been cut apart perpendicularly for locking section 10 can produce higher cooperation precision with the input shaft after locking the input shaft through the fastener and taking place elastic deformation, and the locking section 10 of having guaranteed first elasticity and kept away a groove 14 side can carry out elastic deformation well and press from both sides tightly the input shaft, and be difficult to take place the skew, be favorable to whole process accuracy control.
In another embodiment of the present invention, as shown in fig. 2, 5 and 6, two positioning holes 16 are further formed on the bottom surface of the locking section 10, and two of the positioning holes 16 are adjacently arranged along the circumferential direction of the bottom surface. Specifically, the mode that two locating holes 16 that set up arrange along the circumferencial direction is adjacent is favorable to the simplicity of processing man-hour, and two locating holes 16 that set up can be used to insert the pin that sets up on the input shaft, through the cooperation between locating hole 16 and the pin, can realize the quick location installation between this device and the input shaft, have also injectd the erection joint position of other parts through the mode of location installation, are favorable to promoting the cooperation precision between this device and the input shaft.
In another embodiment of the present invention, as shown in fig. 1 to 5, a groove 17 is annularly disposed on the peripheral side wall of the top of the locking section 10, and the center of the groove 17 is on the same straight line with the center of the top end surface of the locking section 10. Specifically, the circumferential side wall at the top of the locking section 10 is provided with the groove 17 in a surrounding manner, so that the clamping assembly can be clamped, such as a clamp spring, the mode that the clamp spring is clamped on the groove 17 can limit the device from moving axially in rotation, that is, the device is ensured not to deviate in an accidental state in a working state, the circle center of the groove 17 and the circle center of the top end face of the locking section 10 are arranged on the same straight line, so that the clamping spring is clamped on the groove 17 and kept on the same straight line with the circle center of the top end face of the locking section 10, and when the device is placed horizontally or vertically, the phenomenon of relative deviation cannot occur, and the operation stability of the device is facilitated.
In another embodiment of the present invention, as shown in fig. 1 to 5, the diameter of the locking section 10 is larger than the diameter of the connecting section 20. Specifically, the diameter of the locking section 10 is larger than that of the connecting section 20, because the locking section 10 is connected with the input shaft and the connecting section 20 is connected with the power mechanism, the connecting mode can cause the input shaft and the power mechanism to be subjected to stress, the stress is usually hoop stress, the input shaft connected with the locking section 10 is extruded by the hoop stress, and the input shaft may be worn in a long-time working state, so that a larger wall thickness is needed to ensure that the input shaft is not easily extruded by the hoop stress to reduce the service life, and because the material hardness of the power mechanism connected with the connecting section 20 is higher, the deformation of the power mechanism after being extruded by the hoop stress is not so serious relative to the input shaft, the diameter of the connecting section 20 corresponding to the power mechanism is relatively smaller, and the arrangement of the scheme is favorable for protecting the service life of the input shaft, the maintenance of the working state is facilitated, and the improvement of the working efficiency is facilitated.
In another embodiment of the present invention, as shown in fig. 1, 3 and 5, the peripheral sidewall of the connecting section 20 is provided with a second via hole 22 penetrating through two ends of the sidewall. Specifically, set up a second via hole 22 on linkage segment 20's the periphery lateral wall, when power device and connecting portion cooperation were connected and are accomplished, can pass the mode of second via hole 22 with the fastener and fasten power device, the fastener of this scheme can be screw or bolt, through fastening back power device and connecting portion cooperation more firm, the phenomenon of skidding can not take place at during operation power device and connecting portion, be favorable to the life of this device, also be favorable to the stability of this device operation.
In another embodiment of the present invention, as shown in fig. 1 and 3, the projection of the center of the second via hole 22 just falls on the central extension line of the first elastic avoiding groove 14. Specifically, because the projection of the centre of a circle of second via hole 22 just falls on the central extension line of first elasticity clearance groove 14, when needs are connected, when this device is connected with input shaft and power device respectively promptly, the installation is carried out to the accessible arbitrary order, can be earlier with locking section 10 and input shaft connected or be connected linkage segment 20 and power device earlier, install the back according to arbitrary order, can directly connect next mechanism, need not rotate this device and look for the hookup location of next mechanism, be favorable to work efficiency's promotion.
In another embodiment of the present invention, as shown in fig. 1 to 5, the transmission shaft for the transmission is made of carbon steel or alloy steel. Specifically, the device of this scheme is made with carbon steel or alloy steel, has higher comprehensive mechanical properties, has higher hardness, under long-time operating condition, thereby is difficult to lead to deformation to influence work efficiency because of receiving hoop stress, and the life of favourable extension device improves economic benefits.
In another embodiment of the utility model, a main shaft speed change gear is provided, it includes foretell transmission shaft that is used for speed change gear, specifically, the utility model discloses a main shaft speed change gear, owing to use foretell transmission shaft that is used for speed change gear, owing to take the axle center setting mode on same straight line with linkage segment 20 and locking section 10, and locking section 10 strengthens the locking intensity to the input shaft through the fastener, guaranteed that the input shaft can not take place the phenomenon of skidding for locking section 10 under the state of long-time work, make the power that power device input can pass the input shaft betterly, be favorable to the promotion of connection accuracy, realize the transmission of power betterly, make power strengthen by a wide margin.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A propeller shaft for a transmission, characterized by: comprises a locking section and a connecting section; the locking section is fixedly connected with the connecting section, and the axes of the connecting section and the locking section are on the same straight line; the locking section is provided with mounting holes penetrating through two ends of the axis of the locking section, and the peripheral side wall of the locking section is provided with a threaded hole and a first through hole corresponding to the threaded hole; the connecting section is provided with exhaust holes penetrating through two ends of the axis of the connecting section, and the exhaust holes are communicated with the mounting holes.
2. The propeller shaft for a transmission according to claim 1, wherein: the bottom of the locking section is further provided with a first elastic avoiding groove between the threaded hole and the first via hole, and two second elastic avoiding grooves which are arranged in parallel are further formed in two opposite sides of the first elastic avoiding groove.
3. The propeller shaft for a transmission according to claim 2, wherein: the first elastic avoiding groove and the two second elastic avoiding grooves are arranged in a vertical shape and form an H shape.
4. The propeller shaft for a transmission according to claim 1, wherein: the bottom surface of the locking section is also provided with two positioning holes which are adjacently arranged along the circumferential direction of the bottom surface.
5. The propeller shaft for a transmission according to claim 1, wherein: the locking section is characterized in that a groove is annularly arranged on the wall of the outer periphery of the top of the locking section, and the circle center of the groove and the circle center of the top end face of the locking section are on the same straight line.
6. The propeller shaft for a transmission according to claim 1, wherein: the diameter of the locking section is larger than that of the connecting section.
7. The propeller shaft for a transmission according to claim 2, wherein: and a second through hole penetrating through two ends of the side wall is formed in the peripheral side wall of the connecting section.
8. The propeller shaft for a transmission according to claim 7, wherein: the projection of the circle center of the second via hole is just on the central extension line of the first elastic avoiding groove.
9. A propeller shaft for a speed change device according to any one of claims 1 to 8, wherein: the transmission shaft for the speed change device is made of carbon steel or alloy steel.
10. A spindle speed change device characterized in that: a propeller shaft for a transmission including a propeller shaft according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720290.1U CN211082601U (en) | 2019-10-14 | 2019-10-14 | Transmission shaft for speed change device and main shaft speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720290.1U CN211082601U (en) | 2019-10-14 | 2019-10-14 | Transmission shaft for speed change device and main shaft speed change device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082601U true CN211082601U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921720290.1U Active CN211082601U (en) | 2019-10-14 | 2019-10-14 | Transmission shaft for speed change device and main shaft speed change device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713701A (en) * | 2020-12-23 | 2021-04-27 | 珠海格力电器股份有限公司 | Coupling sleeve assembly, double-shaft servo motor and automation equipment |
-
2019
- 2019-10-14 CN CN201921720290.1U patent/CN211082601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713701A (en) * | 2020-12-23 | 2021-04-27 | 珠海格力电器股份有限公司 | Coupling sleeve assembly, double-shaft servo motor and automation equipment |
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