CN117469391A - Interlocking locking mechanism of power taking vehicle - Google Patents
Interlocking locking mechanism of power taking vehicle Download PDFInfo
- Publication number
- CN117469391A CN117469391A CN202311593774.5A CN202311593774A CN117469391A CN 117469391 A CN117469391 A CN 117469391A CN 202311593774 A CN202311593774 A CN 202311593774A CN 117469391 A CN117469391 A CN 117469391A
- Authority
- CN
- China
- Prior art keywords
- locking
- shifting fork
- seat
- fork shaft
- locking pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses an interlocking locking mechanism of a power taking vehicle, which comprises a fixed seat, a shifting fork shaft, a pull arm, a locking assembly and a sliding sleeve, wherein the shifting fork shaft is rotatably arranged in one side of the fixed seat in a penetrating way, and the top and the bottom of the shifting fork shaft respectively extend to the outer side of the fixed seat; one end of the pull arm is fixedly arranged at the top of the shifting fork shaft; the locking assembly comprises a locking seat, a locking pin and an elastic piece, wherein the locking seat is arranged inside the other side of the fixed seat in a penetrating mode, the elastic piece is arranged inside the locking seat, the bottom of the locking pin penetrates through the top of the locking seat in a sliding mode and is connected to the elastic piece, and the shifting fork shaft can drive the sliding sleeve to move linearly through the transmission piece. The interlocking locking mechanism of the power taking vehicle drives the top of the locking pin to slide onto the rotating track of the pulling arm by utilizing the elastic force of the elastic piece, so that the top of the locking pin is propped against the side surface of the pulling arm to prevent the pulling arm from rotating, and the pulling arm is locked at the moment and cannot drive the sliding sleeve to move.
Description
Technical Field
The invention relates to the technical field of transmission devices, in particular to a power taking traveling crane interlocking locking mechanism.
Background
In the power taking process of the gearbox or the transfer case, the output power is required to be interrupted through a gear shifting device, a plurality of gearboxes and transfer cases are not provided with locking components, if the air source is interrupted or violently vibrated in the power taking process, the sliding sleeve can be moved, the gear is removed, the power is communicated, and the product is damaged.
When the power take-off process is carried out, if the driver fails to operate, under the condition that the locking mechanism is not provided, the power of the output shaft is promoted to be communicated, the vehicle can be suddenly started, and personnel injury is easily caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an interlocking locking mechanism of a power take-off vehicle, which solves the problems that if a plurality of gearboxes and transfer cases are not provided with locking components, if an air source is interrupted or violently vibrated in the power take-off process, a sliding sleeve can be caused to move, power is communicated due to gear disengagement, and products are damaged.
In order to solve the technical problems, the invention adopts the following technical scheme:
a power take-off vehicle interlock locking mechanism comprising:
the fixing seat is used for being fixed in the box body through a screw;
the shifting fork shaft is rotatably arranged in one side of the fixed seat in a penetrating manner, and the top and the bottom of the shifting fork shaft extend to the outer side of the fixed seat respectively;
one end of the pull arm is fixedly arranged at the top of the shifting fork shaft;
the locking assembly comprises a locking seat, a locking pin and an elastic piece, wherein the locking seat is arranged in the other side of the fixed seat in a penetrating manner, the elastic piece is arranged in the locking seat, the bottom of the locking pin penetrates through the top of the locking seat in a sliding manner and is connected to the elastic piece, the top of the locking pin is jacked up by utilizing the elasticity of the elastic piece, and the side face of the top of the locking pin is propped against the side face of the other end of the pull arm to prevent the rotation of the pull arm; and
And the shifting fork shaft can drive the sliding sleeve to linearly move through the transmission piece.
According to the interlocking locking mechanism of the power taking vehicle, the top of the locking pin is driven to slide onto the rotating track of the pull arm by utilizing the elastic force of the elastic piece, so that the top of the locking pin is propped against the side face of the pull arm to prevent the rotation of the pull arm, and at the moment, the pull arm is locked and cannot drive the sliding sleeve to move.
Further, the inside cavity that is equipped with of locking seat, the fixed setting in bottom of elastic component is on the interior diapire of cavity, and the fixed baffle that is equipped with of the other end, the outer wall of baffle and the inner wall slip laminating of cavity, the bottom fixed mounting of locking pin is on the top surface of baffle, the top of locking pin can slide to the top outside of locking seat.
Further, a cylinder cover air inlet is formed in the top of the other side face of the fixing seat, the cylinder cover air inlet penetrates through the side wall of the locking seat and is communicated with the cavity of the locking seat, and the cylinder cover air inlet is located above the baffle plate.
Further, the elastic piece is a spring.
Further, the driving medium includes shift fork and two sliders, and the top fixed mounting of shift fork is in the bottom of shift fork axle, and two sliders are installed respectively in the top side and the bottom side of sliding sleeve, and the top side and the bottom side of shift fork are connected with two sliders rotation through the connecting rod respectively.
Further, the bottom of the shifting fork is rotatably provided with a support, and the support is installed in the box body through a screw.
Further, one end of the pull arm far away from the shifting fork shaft is connected with a cylinder.
The invention has the beneficial effects that: the interlocking locking mechanism of the power take-off vehicle drives the top of the locking pin to slide onto the rotating track of the pull arm by utilizing the elasticity of the spring, so that the top of the locking pin is propped against the side surface of the pull arm to prevent the rotation of the pull arm, at the moment, the pull arm is locked, the shifting fork shaft cannot be driven to shift the shifting fork, and the sliding sleeve cannot move; and even if the air source is interrupted, the locking pin is in a locking state under the action of the spring, the gear of the gearbox or the transfer case is kept, and even if the gearbox or the transfer case is vibrated violently, the gear cannot be disengaged, so that the device has the advantages of simple structure and reliable locking.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
reference numerals:
10-cylinder;
20-fixing seats;
30-pulling arms;
40-shifting fork shaft;
50-locking components, 51-locking pins, 52-springs, 53-baffles, 54-cylinder head air inlets, 55-locking seats and 56-cavities;
60-shifting fork, 61-connecting rod;
70-sliding sleeve and 71-annular groove;
80-slide block and 90-support.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations and positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the indicated positions or elements must have a specific orientation, be constructed and operated in a specific manner, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Referring to fig. 1 to 3, the interlocking locking mechanism of a power take-off vehicle provided by the invention comprises an air cylinder 10, a fixed seat 20, a shifting fork shaft 40, a pull arm 30, a locking assembly 50, a sliding sleeve 70 and a support 90, wherein the shifting fork shaft 40 is rotatably arranged in one side of the fixed seat 20 in a penetrating manner, the top and the bottom of the shifting fork shaft 40 respectively extend to the outer side of the fixed seat 20, one end of the pull arm 30 is fixedly arranged at the top of the shifting fork shaft 40, one end of the pull arm 30, which is far away from the shifting fork shaft 40, is connected with the air cylinder 10, one end of the locking assembly 50 is arranged in the other side of the fixed seat 20, the other end of the locking assembly 50 can be slidably extended to abut against the side surface of the other end of the pull arm 30 so as to prevent the rotation of the pull arm 30, and the shifting fork shaft 40 can drive the sliding sleeve 70 to do linear motion through a transmission piece. The fixing base 20 and the support 90 are fixed inside the box body (the box body is a gearbox or a transfer case) through screws, the air cylinder 10 is driven by external power, and the air cylinder 10 can only drive the pull arm 30 to rotate circumferentially in the anticlockwise direction.
When the gearbox or the transfer case is communicated with power, the cylinder 10 is started, the pull arm 30 is driven to circumferentially rotate in the anticlockwise direction, so that the pull arm 30 drives the shifting fork shaft 40 to rotate, and further the shifting fork shaft 40 drives the sliding sleeve 70 to linearly move to the output shaft through the transmission piece, and gear engaging action is completed; when the gearbox or the transfer case is powered, the sliding sleeve 70 is in the neutral position, no power is output, the end part of the locking assembly 50 is slidingly extended to the rotating track of the end part of the pull arm 30, so that the end part of the locking assembly 50 is propped against the side surface of the end part of the pull arm 30 to prevent the pull arm 30 from rotating, the pull arm 30 is locked at the moment, the cylinder 10 cannot rotate through the shifting fork shaft 40, the sliding sleeve 70 cannot move, and the pull arm 30 can be in a locked state due to the arrangement of the locking assembly 50, so that the gearbox or the transfer case is kept in a gear position, and no gear release occurs even under severe vibration.
The locking assembly 50 comprises a locking seat 55, a locking pin 51 and an elastic piece, wherein the locking seat 55 is fixedly arranged inside the other side of the fixed seat 55 in a penetrating mode, the elastic piece can be compressed, the elastic piece is arranged inside the locking seat 55, the bottom of the locking pin 51 penetrates through the top of the locking seat 55 in a sliding mode and is connected to the elastic piece, the top of the locking pin 51 is jacked up by the aid of the elastic force of the elastic piece, and the side face of the top of the locking pin 51 abuts against the side face of the other end of the pulling arm 30 to prevent the pulling arm 30 from rotating. Wherein, locking seat 55 inside is equipped with cavity 56, and the fixed setting in bottom of elastic component is on the interior diapire of cavity 56, and the fixed baffle 53 that is equipped with of the other end, the outer wall of baffle 53 and the inner wall slip laminating of cavity 56, and the bottom fixed mounting of locking pin 51 is on the top surface of baffle 53, and the top of locking pin 51 can slide to the top outside of locking seat 55. The spring 52 is selected as the elastic member.
When the top side of the lock pin 51 abuts against the other end side of the pull arm 30, the lock pin 51 can be kept in the lock position by utilizing the elastic force of the spring 52, so that the pull arm 30 is kept in the lock state all the time, and the gear box or transfer case shift position is maintained, and even under severe vibration, the gear-off does not occur.
Preferably, the top of the other side surface of the fixed seat 20 is provided with a cylinder head air inlet 54, the cylinder head air inlet 54 penetrates through the side wall of the locking seat 55 and is communicated with the cavity 56 of the locking seat 55, and the cylinder head air inlet 54 is located above the baffle 53. Wherein the sliding between the locking pin 51 and the locking seat 55 is sealed by a sealing ring. When the locking of the locking pin 51 needs to be released, the cylinder head air inlet 54 is inflated, so that the air is compressed in the space above the baffle plate 53, the compressed air presses and pushes the baffle plate 53 to move, at the moment, the spring 52 is compressed, so that the baffle plate 53 drives the top of the locking pin 51 to retract, and finally, the top of the locking pin 51 does not prevent the rotation of the pull arm 30.
In this embodiment, the transmission member includes a shifting fork 60 and two sliding blocks 80, the shifting fork 60 is arc-shaped, the top of the shifting fork 60 is fixedly installed at the bottom of the shifting fork shaft 40, the two sliding blocks 80 are respectively installed at the top side and the bottom side of the sliding sleeve 70, the top side and the bottom side of the shifting fork 60 are respectively connected with the two sliding blocks 80 in a rotating manner through a connecting rod 61, and the bottom of the shifting fork 60 is rotatably installed on a support 90. The outer circumferential surface of the sliding sleeve 70 is provided with an annular groove 71, the sliding block 80 is clamped in the annular groove 71, one end of the connecting rod 61 is fixedly connected with the side surface of the end part of the shifting fork 60, and the other end of the connecting rod is rotatably connected with the end part of the sliding block 80 extending to the outer side of the annular groove 71.
When the gearbox or the transfer case is communicated with power, the air cylinder 10 drives the pull arm 30 to drive the shifting fork shaft 40 to rotate, so that the shifting fork shaft 40 drives the shifting fork 60 to swing, and then the shifting fork 60 drives the sliding sleeve 70 to do linear motion; when the gearbox or transfer case is powered, the locking pin 51 is in a locking position under the action of the elastic force of the spring 52, the pull arm 30 is locked at the moment, the cylinder 10 cannot stir the shifting fork 60 through the shifting fork shaft 40, and the shifting fork 60 cannot swing, so that the sliding sleeve 70 cannot move.
The working principle of the invention is as follows: when the gearbox or transfer case is powered, the output shaft sliding sleeve 70 is in a neutral position, no power is output, the top of the locking pin 51 is propped against the side surface of the end part of the pull arm 30 under the action of the elastic force of the spring 52 to prevent the pull arm 30 from rotating, at the moment, the locking pin 51 is in a locking position, the pull arm 30 is locked, the cylinder 10 cannot stir the shifting fork 60 through the shifting fork shaft 40, the shifting fork 60 cannot swing, and the sliding sleeve 70 cannot move; in this case, even if the air supply is interrupted, the lock pin 51 can be in a locked state by the spring 52, and the gear of the transmission or transfer case is maintained, and even under severe vibration, the gear is not disengaged.
When the power taking is completed and the power needs to be communicated, air is filled from the air inlet 54 of the air cylinder cover, the air is compressed, so that the compressed air pushes the baffle plate 53 to move to compress the spring 52, the locking pin 51 is retracted, the locking is released, at the moment, the air cylinder 10 can drive the pull arm 30 to rotate to drive the shifting fork shaft 40, the shifting fork 60 can swing under the action of the shifting fork shaft 40, and then the sliding block 80 is driven to enable the sliding sleeve 70 to linearly move, the sliding sleeve 70 moves to the output shaft, and the gear engaging action is completed.
The invention has the beneficial effects that: the interlocking locking mechanism of the power take-off crane drives the top of the locking pin 51 to slide onto the rotating track of the pull arm 30 by utilizing the elastic force of the spring 52, so that the top of the locking pin 51 is propped against the side surface of the pull arm 30 to prevent the rotation of the pull arm 30, at the moment, the pull arm 30 is locked, and the shifting fork shaft 40 cannot be driven to shift the shifting fork 60, so that the sliding sleeve 70 cannot move; and even if the air source is interrupted, the locking pin 51 is in a locking state under the action of the spring 52, the gear of the gearbox or the transfer case is kept, and even under severe vibration, the gear cannot be out of gear, so that the device has the advantages of simple structure and reliable locking.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. An interlocking locking mechanism for a power take-off vehicle, comprising:
the fixing seat is used for being fixed in the box body through a screw;
the shifting fork shaft is rotatably arranged in one side of the fixed seat in a penetrating manner, and the top and the bottom of the shifting fork shaft extend to the outer side of the fixed seat respectively;
one end of the pull arm is fixedly arranged at the top of the shifting fork shaft;
the locking assembly comprises a locking seat, a locking pin and an elastic piece, wherein the locking seat is arranged in the other side of the fixed seat in a penetrating manner, the elastic piece is arranged in the locking seat in a penetrating manner, the bottom of the locking pin penetrates through the top of the locking seat in a sliding manner and is connected to the elastic piece, the top of the locking pin is jacked up by utilizing the elasticity of the elastic piece, and the side face of the top of the locking pin is propped against the side face of the other end of the pull arm to prevent the rotation of the pull arm; and
And the shifting fork shaft can drive the sliding sleeve to linearly move through the transmission piece.
2. The power take-off interlock locking mechanism of claim 1, wherein: the inside cavity that is equipped with of locking seat, the fixed setting in bottom of elastic component is on the interior diapire of cavity, and the other end is fixed to be equipped with the baffle, the outer wall of baffle and the inner wall slip laminating of cavity, the bottom fixed mounting of locking pin is on the top surface of baffle, the top of locking pin can slide to the top outside of locking seat.
3. The power take-off interlock locking mechanism of claim 2, wherein: the cylinder head air inlet is formed in the top of the other side face of the fixed seat, penetrates through the side wall of the locking seat and is communicated with the cavity of the locking seat, and the cylinder head air inlet is located above the baffle plate.
4. A power train interlock locking mechanism according to claim 2 or 3, wherein: the elastic piece is a spring.
5. The power take-off interlock locking mechanism of claim 1, wherein: the transmission piece comprises a shifting fork and two sliding blocks, wherein the top of the shifting fork is fixedly arranged at the bottom of a shifting fork shaft, the two sliding blocks are respectively arranged at the top side and the bottom side of the sliding sleeve, and the top side surface and the bottom side surface of the shifting fork are respectively connected with the two sliding blocks in a rotating mode through connecting rods.
6. The power take-off interlock locking mechanism of claim 5, wherein: the bottom of shift fork rotates and is equipped with the support, the support passes through the screw and installs in the box.
7. The power take-off interlock locking mechanism of claim 1, wherein: one end of the pull arm, which is far away from the shifting fork shaft, is connected with an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593774.5A CN117469391A (en) | 2023-11-27 | 2023-11-27 | Interlocking locking mechanism of power taking vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593774.5A CN117469391A (en) | 2023-11-27 | 2023-11-27 | Interlocking locking mechanism of power taking vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117469391A true CN117469391A (en) | 2024-01-30 |
Family
ID=89623950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311593774.5A Pending CN117469391A (en) | 2023-11-27 | 2023-11-27 | Interlocking locking mechanism of power taking vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117469391A (en) |
-
2023
- 2023-11-27 CN CN202311593774.5A patent/CN117469391A/en active Pending
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