CN210566197U - Transmission main and auxiliary box interlocking mechanism - Google Patents
Transmission main and auxiliary box interlocking mechanism Download PDFInfo
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- CN210566197U CN210566197U CN201920261031.0U CN201920261031U CN210566197U CN 210566197 U CN210566197 U CN 210566197U CN 201920261031 U CN201920261031 U CN 201920261031U CN 210566197 U CN210566197 U CN 210566197U
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Abstract
The utility model discloses a main and auxiliary box interlocking mechanism of a transmission, which comprises a range gear shifting fork universal driving shaft, a sliding pin bracket, a return spring and an interlocking piece; the range gear shifting fork linkage shaft is positioned in a shell of the transmission, one end of the range gear shifting fork linkage shaft is fixedly connected with the range gear shifting fork, and the other end of the range gear shifting fork linkage shaft is provided with two sliding pin grooves; the sliding pin bracket is fixedly connected with the transmission upper cover and is provided with a sliding pin mounting hole and an interlocking piece mounting hole; the sliding pin is positioned in the sliding pin mounting hole, one end of the sliding pin is connected with a return spring, the other end of the sliding pin is connected with a range gear shifting fork linkage shaft, and the other end of the return spring is connected with a transmission upper cover; an interlocking part groove is formed on the sliding column pin; the interlocking piece is located interlocking piece mounting hole one end and connects the slip pin, and the derailleur main tank interlocking device is connected to the other end. The main box can not be put into gear when the rear auxiliary box is not put into gear; the auxiliary box synchronizer can not switch high and low gears when the main box is in a gear engaging state; thereby effectively protecting the synchronizer of the rear auxiliary box and prolonging the service life of the transmission.
Description
Technical Field
The utility model belongs to the derailleur field relates to a derailleur major-minor case interlocking mechanism.
Background
The auxiliary box synchronizer is a part which is easy to damage in the gearbox assembly, and the damage is more serious under the condition of irregular operation. Meanwhile, the failure of the synchronizer of the auxiliary box of the transmission is a common failure mode of the transmission of the heavy-duty automobile.
The abnormal damage of the synchronizer of the auxiliary box is easily caused by the abnormal operation of the rear auxiliary box of the transmission, and the common abnormal operation comprises the following steps: the synchronizer of the auxiliary box is not switched in place (the high gear and the low gear are not in place), the main box starts to be in gear, so that the synchronous inertia is rapidly increased, and the synchronizer is damaged by gear beating; the main box is in a gear engaging state, and the synchronizer of the auxiliary box switches high and low gears, so that the synchronizer is abraded too fast to cause failure. To increase the service life of the slave synchronizer, the above two non-standard operations must be limited.
The existing air-operated main and auxiliary box blocking mechanism is controlled through an air path, but the reliability of the air path is not high, and the failure of the main and auxiliary box blocking mechanism is caused by frequent failure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a derailleur major-minor case interlocking mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a main box and auxiliary box interlocking mechanism of a transmission comprises a range gear shifting fork linkage shaft, a sliding pin support, a return spring and an interlocking piece;
the range gear shifting fork linkage shaft is positioned in the shell of the transmission, one end of the range gear shifting fork linkage shaft is fixedly connected with the range gear shifting fork, and the other end of the range gear shifting fork linkage shaft is provided with two sliding pin grooves; the sliding pin support is fixedly connected with the transmission upper cover, and a sliding pin mounting hole and an interlocking piece mounting hole which are perpendicular to each other and are communicated are formed in the sliding pin support; the sliding pin is positioned in the sliding pin mounting hole and can axially move along the sliding pin mounting hole; one end of the sliding pin is connected with a return spring, and the other end of the return spring is connected with an upper cover of the transmission; the other end of the sliding pin is connected with a range gear shifting fork linkage shaft; an interlocking part groove is formed on the sliding column pin; the interlocking piece is positioned in the interlocking piece mounting hole and can axially move along the interlocking piece mounting hole, one end of the interlocking piece is connected with the sliding pin, and the other end of the interlocking piece is connected with the transmission main box interlocking mechanism;
when the range shift cylinder is in a low shift or a high shift, one end of the sliding pin is positioned in the sliding pin groove, the interlocking piece groove is opposite to the interlocking piece mounting hole, one end of the interlocking piece can extend into the interlocking piece groove, and each shifting fork shaft of the transmission main box is unlocked and can be shifted; when the range keeps off the cylinder and is not low to keep off and not for high when keeping off, slip pin one end keeps off shift fork universal driving shaft outer wall with the range and is connected, interlocking piece recess connection slip pin mounting hole inner wall, and the tight interlocking piece in slip pin outer wall top, the tight derailleur main tank interlocking mechanism in interlocking piece top, each shift fork axle locking of derailleur main tank can not put into gear.
The utility model discloses further improvement lies in:
the range gear shifting fork linkage shaft is connected with a range gear shifting fork of the transmission auxiliary box through welding, bolting, pin connection, rivet connection or key connection.
The sliding pin support and the transmission upper cover are integrally formed.
The spring pressing cover is also included; the spring gland is fixedly connected with the transmission upper cover, and the inner wall of the spring gland is connected with a return spring.
The interlocking piece comprises a first interlocking steel ball, a second interlocking steel ball and a main and auxiliary box interlocking pin;
the first interlocking steel ball and the second interlocking steel ball are positioned in the interlocking part mounting hole, one end of the first interlocking steel ball is connected with the sliding pin, the other end of the first interlocking steel ball is sequentially connected with the second interlocking steel ball and the main box shifting fork shaft, and the main box shifting fork shaft is provided with a main and auxiliary box interlocking pin mounting hole and a second interlocking steel ball groove capable of accommodating one end of the second interlocking steel ball; the main and auxiliary box interlocking pin is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with the second interlocking steel ball, and the other end of the main and auxiliary box interlocking pin is connected with the main box interlocking steel ball of the transmission main box interlocking mechanism.
The interlocking piece comprises a main box interlocking block and an auxiliary box interlocking pin;
the main and auxiliary box interlocking block is positioned in the interlocking piece mounting hole, one end of the main and auxiliary box interlocking block is connected with the sliding pin, the other end of the main and auxiliary box interlocking block is connected with the main box shifting fork shaft, and the main box shifting fork shaft is provided with a main and auxiliary box interlocking pin mounting hole and a main and auxiliary box interlocking block groove; the main and auxiliary box interlocking pin is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with a main and auxiliary box interlocking block (18), and the other end of the main and auxiliary box interlocking pin is connected with a main box interlocking steel ball of the transmission main box interlocking mechanism.
The interlock recess is an annular recess.
Compared with the prior art, the utility model discloses following beneficial effect has:
the range gear shifting fork linkage shaft is used for connecting the auxiliary box cylinder shifting fork shaft with the main box interlocking mechanism, and meanwhile, under the action of the sliding pin and the interlocking piece, the main box can not be shifted when the rear auxiliary box is shifted to a position where the rear auxiliary box is not shifted; meanwhile, when the main box is in a gear engaging state, the auxiliary box synchronizer is not allowed to switch high and low gears; thereby effectively protecting the synchronizer of the rear auxiliary box and prolonging the service life of the transmission. Simultaneously, this major-minor case interlocking mechanism is pure mechanical type structure, and the locking is reliable, compares in traditional gas circuit control, and reliability and stability are higher, can effectual reduction auxiliary tank synchronous ware fault rate. The utility model discloses simple structure is convenient for make the installation, can compatible the present derailleur structure of the overwhelming majority, and application scope is wide.
Furthermore, the pin support and the transmission upper cover are integrally formed, so that the assembly operation is reduced, and the time is saved; meanwhile, the pin support and the transmission upper cover are connected more stably and reliably, and the failure rate is reduced.
Furthermore, a spring gland is arranged and fixedly connected with the transmission upper cover, and a return spring is arranged between the spring gland and the sliding pin, so that the installation of the return spring is facilitated, and the production efficiency is improved.
Furthermore, the groove of the interlocking piece is set to be an annular groove which is withdrawn along the sliding direction in the circumferential direction, so that the assembly difficulty is reduced, and the assembly error is prevented.
Drawings
FIG. 1 is a structural diagram of the transmission auxiliary box low gear in-place main box unlocking of the present invention;
FIG. 2 is a structural diagram of the main box lock-up during the process of the transmission auxiliary box in high-low gear shifting;
FIG. 3 is a structural diagram of the transmission auxiliary box high gear in-place main box unlocking of the present invention;
fig. 4 is a schematic structural view of the sliding pin support of the present invention integrally formed with the transmission upper cover and the interlocking member being an interlocking block;
FIG. 5 is a schematic diagram of a prior art transmission main case interlock mechanism;
fig. 6 is a schematic diagram of a structure of an auxiliary box cylinder and an auxiliary box fork of a conventional transmission.
Wherein: 1-auxiliary box cylinder piston; 2-range gear cylinder; 3-a fork shaft of an auxiliary box cylinder; 4-range shift fork; 5-range shift fork linkage shaft; 6-1-a first main and auxiliary box interlocking steel ball; 6-2-second main and auxiliary box interlocking steel balls; 7-main and auxiliary box interlocking pins; 8-four-five gear shifting fork shaft; 9-second and third gear shifting fork shafts; 10-a reverse gear shift fork shaft; 11-a spring gland; 12-a return spring; 13-sliding pin; 14-transmission upper cover; 15-sliding pin support; 16-1-first main box interlocking steel balls; 16-2-second main box interlocking steel balls; 17-main tank interlocking pins; 18-primary and secondary case interlocking blocks.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1-3, the utility model relates to a derailleur major-minor case interlocking mechanism, major-minor case interlocking mechanism one end is connected the minor case scope and is kept off the cylinder shift fork, and the major-minor case interlocking mechanism in one end and the upper cover is related, keeps off the locking or the unblock of cylinder to the major-minor case declutch shift shaft through the minor case scope and controls this interlocking mechanism, reaches the purpose of major-minor case interlocking. The main box and auxiliary box interlocking mechanism comprises a range gear shifting fork linkage shaft 5, a sliding pin 13, a sliding pin support 15, a spring gland 11, a return spring 12 and an interlocking piece;
the range gear shifting fork linkage shaft 5 is located in a support hole of a shell of the transmission and can axially move along the support hole, or the range gear shifting fork linkage shaft 5 is installed in the shell of the transmission through a linkage shaft support, and the range gear shifting fork linkage shaft 5 can axially move along the range gear shifting fork linkage shaft 5 on the support. One end of the range shift fork linkage shaft 5 is fixedly connected with a range shift fork 4 of the auxiliary transmission box, and generally, welding connection, bolt connection, pin connection, rivet connection, key connection and other fixed connection forms can be selected; the other end is provided with two sliding pin grooves; the sliding pin support 15 is fixedly connected with the transmission upper cover 14, and the sliding pin support 15 is provided with a sliding pin mounting hole and an interlocking piece mounting hole which are perpendicular to each other and are communicated with each other; the sliding pin 13 is arranged in the sliding pin mounting hole and can axially move along the sliding pin mounting hole; one end of a sliding pin 13 is connected with a return spring 12, and the other end of the sliding pin is connected with a range shift fork linkage shaft 5; an interlocking piece groove is formed in one side, corresponding to the interlocking piece mounting hole, of the sliding pin 13, and the interlocking piece groove can also be a ring groove in the circumferential direction, so that assembly errors can be prevented; interlocking piece sets up inside interlocking piece mounting hole and can follow interlocking piece mounting hole axial displacement, and sliding pin 13 is connected to interlocking piece one end, and the derailleur main tank interlocking device is connected to the other end. The spring gland 11 is fixedly connected with the transmission upper cover 14, and the inner wall of the spring gland 11 is connected with a return spring 12.
Wherein: the interlocking piece can be composed of a first interlocking steel ball 6-1, a second interlocking steel ball 6-2 and a main and auxiliary box interlocking pin 7, the first interlocking steel ball 6-1 and the second interlocking steel ball 6-2 are positioned in an interlocking piece mounting hole, one end of the first interlocking steel ball 6-1 is connected with a sliding pin 13, the other end of the first interlocking steel ball is sequentially connected with the second interlocking steel ball 6-2 and a main box shifting fork shaft, and the main box shifting fork shaft is provided with a main and auxiliary box interlocking pin mounting hole and a second interlocking steel ball groove capable of accommodating one end of the second interlocking steel ball 6-2; the main and auxiliary box interlocking pin 7 is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with the second interlocking steel ball 6-2, and the other end of the main and auxiliary box interlocking pin is connected with the main box interlocking steel ball of the transmission main box interlocking mechanism. Referring to fig. 4, the interlocking member may also be composed of a main and auxiliary box interlocking block 18 and a main and auxiliary box interlocking pin 7, the main and auxiliary box interlocking block 18 is located in the interlocking member mounting hole, one end is connected with the sliding pin 13, the other end is connected with a main box declutching shaft, and the main box declutching shaft is provided with a main and auxiliary box interlocking pin mounting hole and a main and auxiliary box interlocking block groove; the main and auxiliary box interlocking pin 7 is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with the main and auxiliary box interlocking block 18, and the other end of the main and auxiliary box interlocking pin is connected with a main box interlocking steel ball of the transmission main box interlocking mechanism. The sliding pin bracket 15 and the transmission upper cover 14 can also be integrally formed, so that the installation time is saved.
In this embodiment, the main box shift fork shaft includes a fourth-fifth gear shift fork shaft 8, a second-third gear shift fork shaft 9 and a reverse gear shift fork shaft 10; the first reverse shift fork shaft 10 is closest to the transmission sub-box, and the fourth fifth shift fork shaft 8 is farthest from the transmission sub-box. The main box interlocking mechanism comprises a main box interlocking pin 17 and a main box interlocking steel ball; the main box interlocking steel balls comprise a first main box interlocking steel ball 16-1 and a second main box interlocking steel ball 16-2; the first main box interlocking steel ball 16-1 is positioned between the second-third gear shifting fork shaft 9 and the first reverse gear shifting fork shaft 10, and the second main box interlocking steel ball 16-2 is positioned between the fourth-fifth gear shifting fork shaft 8 and the second-third gear shifting fork shaft 9; a main box interlocking pin mounting hole is formed in the second-gear shifting fork shaft 9, and the main box interlocking pin 17 is located in the main box interlocking pin mounting hole. Two symmetrical main box interlocking steel ball grooves are formed in the second-third gear shifting fork shaft 9, a main box interlocking steel ball groove is formed in each of the first reverse gear shifting fork shaft 10 and the fourth-fifth gear shifting fork shaft 8, and a second interlocking steel ball groove or a main and auxiliary box interlocking block groove is formed in one side, connected with the second interlocking steel ball 6-2 or the main and auxiliary box interlocking block 18, of the first reverse gear shifting fork shaft 10 and used for accommodating one end of the second interlocking steel ball 6-2 or one end of the main and auxiliary box interlocking block 18.
Under the action of the main box interlocking steel ball groove, the main box interlocking pin 17 and the main and auxiliary box interlocking steel balls, when one main box shifting fork shaft is in a gear engaging state, the other main box shifting fork shafts are in a locking state, and gear engaging cannot be carried out. A reverse gear shifting fork shaft 10 is provided with a main box interlocking pin and auxiliary box interlocking pin mounting hole, the main box interlocking pin and auxiliary box interlocking pin 7 is positioned in the main box interlocking pin and auxiliary box interlocking pin mounting hole, and two ends of the main box interlocking pin and auxiliary box interlocking pin are respectively connected with an interlocking piece and a first main box interlocking steel ball 16-1. The position arrangement of the fork shafts of the main boxes can be changed according to the structure of the original speed changer.
When the range shift cylinder 2 is in a low shift or a high shift, one end of the sliding pin 13 is positioned in the sliding pin groove, the interlocking piece groove is opposite to the interlocking piece mounting hole, one end of the interlocking piece can extend into the interlocking piece groove, and each shifting fork shaft of the transmission main box is unlocked and can be shifted; when the range keeps off cylinder 2 and is not for low gear and not for high gear, the range that slides between pin 13 one end and two slip pin recesses keeps off shift fork universal driving shaft 5 and is connected, and interlocking piece recess is located the slip pin mounting hole, and slip pin 13 top tightly interlocking piece, interlocking piece top tightly derailleur main tank interlocking mechanism, each declutch shift shaft locking of derailleur main tank can not put into gear.
Referring to fig. 5 and 6, the interlocking mechanism of the main box of the transmission before being improved and the cylinder of the auxiliary box of the transmission and the shifting fork structure of the auxiliary box of the transmission before being improved have no direct mechanical connection relationship between the interlocking mechanism of the main box of the transmission and the cylinder of the auxiliary box of the transmission and the shifting fork structure of the auxiliary box of the transmission.
The following describes a specific embodiment of the present item by taking an example of the shift from low gear to high gear of a 9-gear transmission auxiliary box cylinder, and the embodiment when the auxiliary box cylinder is shifted from high gear to low gear is similar, and is not described again.
Referring to fig. 1, the range gate cylinder 2 is at the far left of the range gate piston 1, and the range gate cylinder 2 is in the low range position. The sliding pin 13 is clamped in a sliding pin groove on the right side of the range shift fork linkage shaft 5 under the spring force action of the return spring 12, and an interlocking piece groove on the outer cylindrical surface of the sliding pin 13 is aligned with the centers of the first main and auxiliary box interlocking steel ball 6-1, the second main and auxiliary box interlocking steel ball 6-2 and the main and auxiliary box interlocking pin 7. At the moment, any gear of the main box can be shifted, taking the four-fifth gear shifting fork shaft 8 as an example, the four-fifth gear shifting fork shaft 8 moves, the second main box interlocking steel ball 16-2 on the shaft side is extruded out of the side groove of the shaft, and the second main box interlocking steel ball 16-2 pushes the main box interlocking pin 7, the first main box interlocking steel ball 16-1, the main and auxiliary box interlocking pin 7, the second main and auxiliary box interlocking steel ball 6-2 and the first main and auxiliary box interlocking steel ball 6-1 on the left side of the second main box interlocking steel ball until the first main box interlocking steel ball 6-1 is embedded into the interlocking part groove. Namely, the auxiliary box is in a low gear position, and the main box is unlocked and can be put into gear.
Referring to fig. 2, the auxiliary box cylinder piston 1 moves from the leftmost position of the range shift cylinder 2 to the middle position under the action of the left air pressure, and then drives the auxiliary box cylinder shift shaft 3, the range shift fork 4 and the range shift fork linkage shaft 5 to move rightwards. The inclined plane of the sliding pin groove arranged on the range gear shifting fork linkage shaft 5 pushes the sliding pin 13 to move upwards until the head of the sliding pin 13 is ejected out of the sliding pin groove and clings to the outer cylindrical surface of the range gear shifting fork linkage shaft 5. The sliding pin 13 moves upwards to extrude the first main and auxiliary box interlocking steel ball 6-1, and the first main and auxiliary box interlocking steel ball 6-1 pushes the second main and auxiliary box interlocking steel ball 6-2, the main and auxiliary box interlocking pin 7, the first main box interlocking steel ball 16-1, the main box interlocking pin 7 and the second main box interlocking steel ball 16-2 on the right side until the second main box interlocking steel ball 16-2 is embedded into a main box interlocking groove arranged on the fourth-fifth gear shifting fork shaft 8. At the moment, the interlocking steel balls of each gear of the main box are clamped in the interlocking grooves of the main box of each gear shifting fork shaft, so that each gear of the main box is locked at a neutral position. Namely, the main box can not be engaged in the process of switching the high gear and the low gear of the auxiliary box.
Referring to fig. 3, the auxiliary casing cylinder piston 1 continues to move rightward from the neutral position by the left side air pressure until the auxiliary casing cylinder piston 1 is at the rightmost side of the range block cylinder 2 and the range block cylinder 2 is at the high shift position. And further drives the auxiliary box cylinder shifting fork shaft 3, the range gear shifting fork 4 and the range gear shifting fork linkage shaft 5 to move rightwards. The head of the sliding pin 13 falls into a sliding pin groove on the left side of the range shift fork linkage shaft 5 from the outer cylindrical surface of the range shift fork linkage shaft 5. The sliding pin 13 moves downwards, and the interlocking piece groove is aligned with the centers of the first main and auxiliary box interlocking steel ball 6-1, the second main and auxiliary box interlocking steel ball 6-2 and the main and auxiliary box interlocking pin 7 again. At the moment, any gear of the main box can be shifted, taking the four-fifth gear shifting fork shaft 8 as an example, the four-fifth gear shifting fork shaft 8 moves, the second main box interlocking steel ball 16-2 on the shaft side is extruded out of the side groove of the shaft, and the second main box interlocking steel ball 16-2 pushes the main box interlocking pin 7, the first main box interlocking steel ball 16-1, the main and auxiliary box interlocking pin 7, the second main and auxiliary box interlocking steel ball 6-2 and the first main and auxiliary box interlocking steel ball 6-1 on the left side of the second main box interlocking steel ball until the first main box interlocking steel ball 6-1 is embedded into the interlocking part groove. Namely, the auxiliary box is in a low gear position, and the main box is unlocked and can be put into gear.
The interlocking mechanism of the main box and the auxiliary box of the transmission can ensure that the main box can not be put into gear when the auxiliary box is not put into gear; and meanwhile, when the main box is in a gear engaging state, the auxiliary box synchronizer is not allowed to switch high and low gears. The rear auxiliary box synchronizer can be effectively protected, the failure rate of the auxiliary box synchronizer is reduced, and the service life of the transmission is prolonged. And this major-minor case interlocking mechanism is pure mechanical type structure, and the locking is reliable.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (6)
1. A transmission main and auxiliary box interlocking mechanism is characterized by comprising a range gear shifting fork universal driving shaft (5), a sliding pin (13), a sliding pin support (15), a return spring (12) and an interlocking piece;
the range shift fork linkage shaft (5) is positioned in the shell of the transmission, one end of the range shift fork linkage shaft is fixedly connected with the range shift fork (4), and the other end of the range shift fork linkage shaft is provided with two sliding pin grooves; the sliding pin support (15) is fixedly connected with the transmission upper cover (14), and the sliding pin support (15) is provided with a sliding pin mounting hole and an interlocking piece mounting hole which are perpendicular to each other and are communicated with each other; the sliding pin (13) is positioned in the sliding pin mounting hole and can axially move along the sliding pin mounting hole; one end of the sliding pin (13) is connected with a return spring (12), and the other end of the return spring (12) is connected with an upper transmission cover (14); the other end of the sliding pin (13) is connected with a range gear shifting fork linkage shaft (5); the sliding pin (13) is provided with an interlocking piece groove; the interlocking piece is positioned in the interlocking piece mounting hole and can axially move along the interlocking piece mounting hole, one end of the interlocking piece is connected with the sliding pin (13), and the other end of the interlocking piece is connected with the transmission main box interlocking mechanism;
when the range shift cylinder (2) is in a low shift or a high shift, one end of the sliding pin (13) is positioned in the sliding pin groove, the interlocking piece groove is opposite to the interlocking piece mounting hole, one end of the interlocking piece can extend into the interlocking piece groove, and each shifting fork shaft of the transmission main box is unlocked and can be shifted; when the range gear cylinder (2) is not in a low gear and is not in a high gear, one end of a sliding pin (13) is connected with the outer wall of a range gear shifting fork linkage shaft (5), an interlocking piece groove is connected with the inner wall of a sliding pin mounting hole, the outer wall of the sliding pin (13) tightly pushes an interlocking piece, the interlocking piece tightly pushes a transmission main box interlocking mechanism, and each shifting fork shaft of the transmission main box is locked and can not be in gear engagement;
the interlock recess is an annular recess.
2. Transmission master and slave case interlocking mechanism according to claim 1, characterized in that the range shift fork linkage shaft (5) is welded, bolted, pinned, riveted or keyed to the range shift fork (4) of the transmission slave case.
3. A transmission master-slave-box interlock mechanism according to claim 1, characterized in that the sliding pin bracket (15) is integrally formed with the transmission upper cover (14).
4. The transmission master-slave cage interlock mechanism of claim 1, further comprising a spring gland (11);
the spring gland (11) is fixedly connected with the transmission upper cover (14), and the inner wall of the spring gland (11) is connected with a return spring (12).
5. A transmission main and auxiliary case interlock mechanism as claimed in claim 1, wherein said interlock comprises a first interlock steel ball (6-1), a second interlock steel ball (6-2) and a main and auxiliary case interlock pin (7);
a first interlocking steel ball (6-1) and a second interlocking steel ball (6-2) are positioned in the interlocking piece mounting hole, one end of the first interlocking steel ball (6-1) is connected with a sliding pin (13), the other end of the first interlocking steel ball is sequentially connected with the second interlocking steel ball (6-2) and a main box shifting fork shaft, and the main box shifting fork shaft is provided with a main and auxiliary box interlocking pin mounting hole and a second interlocking steel ball groove capable of accommodating one end of the second interlocking steel ball (6-2); the main and auxiliary box interlocking pin (7) is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with the second interlocking steel ball (6-2), and the other end of the main and auxiliary box interlocking pin is connected with the main box interlocking steel ball of the transmission main box interlocking mechanism.
6. A transmission main and auxiliary case interlock mechanism as claimed in claim 1, characterized by said interlock comprising a main and auxiliary case interlock block (18) and a main and auxiliary case interlock pin (7);
the main and auxiliary box interlocking block (18) is positioned in the interlocking piece mounting hole, one end of the main and auxiliary box interlocking block is connected with the sliding pin (13), the other end of the main and auxiliary box interlocking block is connected with the main box shifting fork shaft, and the main box shifting fork shaft is provided with a main and auxiliary box interlocking pin mounting hole and a main and auxiliary box interlocking block groove;
the main and auxiliary box interlocking pin (7) is positioned in the main and auxiliary box interlocking pin mounting hole, one end of the main and auxiliary box interlocking pin is connected with the main and auxiliary box interlocking block (18), and the other end of the main and auxiliary box interlocking pin is connected with a main box interlocking steel ball of the transmission main box interlocking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261031.0U CN210566197U (en) | 2019-02-28 | 2019-02-28 | Transmission main and auxiliary box interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261031.0U CN210566197U (en) | 2019-02-28 | 2019-02-28 | Transmission main and auxiliary box interlocking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210566197U true CN210566197U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261031.0U Active CN210566197U (en) | 2019-02-28 | 2019-02-28 | Transmission main and auxiliary box interlocking mechanism |
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| CN (1) | CN210566197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882591A (en) * | 2019-02-28 | 2019-06-14 | 陕西法士特齿轮有限责任公司 | A kind of speed changer major-minor case mutual interlocking gear |
-
2019
- 2019-02-28 CN CN201920261031.0U patent/CN210566197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882591A (en) * | 2019-02-28 | 2019-06-14 | 陕西法士特齿轮有限责任公司 | A kind of speed changer major-minor case mutual interlocking gear |
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