CN208951268U - A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear - Google Patents
A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear Download PDFInfo
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- CN208951268U CN208951268U CN201821720796.8U CN201821720796U CN208951268U CN 208951268 U CN208951268 U CN 208951268U CN 201821720796 U CN201821720796 U CN 201821720796U CN 208951268 U CN208951268 U CN 208951268U
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- gear
- idle pulley
- reverses gear
- fixing device
- idler shaft
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Abstract
It reverses gear idle pulley shaft fixing device this application discloses one kind, including main box and it is mounted on that the intracorporal low gear cone-plate of the main tank, reverse gear idler shaft and the idle pulley that reverses gear, reverse gear idle pulley and the idler shaft socket of reversing gear, it further include for the spacer pin to the idler shaft axial limiting that reverses gear, one end of the spacer pin is abutted with the idler shaft that reverses gear, the other end is abutted with the low gear cone-plate, also, the extending direction of the spacer pin is parallel to the extending direction of the idler shaft that reverses gear.The idle pulley shaft fixing device that reverses gear provided herein, the idler shaft that reverses gear is limited and fixed using the spacer pin, it solves when being fixed by bolts in the prior art, the problem of being easy to fall off in gearbox use process, the service life of gearbox is effectively increased, while simplifying the assembly of gearbox.Disclosed herein as well is a kind of heavy trucks and gearbox including the above-mentioned idle pulley shaft fixing device that reverses gear.
Description
Technical field
This application involves gearbox apparatus field, reverse gear idle pulley shaft fixing device more particularly to one kind.In addition, the application
Further relate to a kind of heavy truck and gearbox including the above-mentioned idle pulley shaft fixing device that reverses gear.
Background technique
In heavy type lorry transmission-gear box, the idler shaft that reverses gear generally uses bolt to come axial limiting, the fixed idler shaft that reverses gear.
In the prior art, by the bolt hole on main box, axial limiting is carried out to the idler shaft that reverses gear with bolt, is consolidated
Fixed, in gearbox long-time use process, which is easy to loosen, even fall off.Gear box reverse gear function is influenced, is fallen off
Bolt and lose fixed reverse gear idle pulley and the idler shaft that reverses gear, can and the gear of internal rotating collide, cause gear to damage
It is bad, influence the normal operation of gearbox.
The fixed form of idler shaft of reversing gear in existing gearbox not only will affect gear box reverse gear if bolt falling
Function will lead to gear failure if the bolt fallen sinks into meshed gears, influences the torque output of gearbox, influences
The normal operation of gearbox.Moreover, the fixed form of the existing idler shaft that reverses gear, assembly is complicated, low efficiency.
Therefore, the reliability for how improving the idle pulley shaft fixing device that reverses gear is that those skilled in the art need to solve at present
The technical issues of.
Utility model content
The purpose of the application is to provide one kind and reverses gear idle pulley shaft fixing device, idler shaft fixture structure letter of reversing gear
It is single, it can effectively solve the problems, such as that bolt is caducous in use for gearbox.The another object of the application is to provide a kind of packet
Include the heavy truck and gearbox of the above-mentioned idle pulley shaft fixing device that reverses gear.
To achieve the above object, the application provides the following technical solutions:
One kind is reversed gear idle pulley shaft fixing device, including main box and is mounted on the intracorporal low gear cone-plate of the main tank, is fallen
Gear idler shaft and the idle pulley that reverses gear, reverse gear idle pulley and the idler shaft socket of reversing gear, further include for the idle pulley that reverses gear
The spacer pin of axis axial limiting, one end of the spacer pin are abutted with the idler shaft that reverses gear, the other end and the low gear cone-plate
It abuts, also, the extending direction of the spacer pin is parallel to the extending direction of the idler shaft that reverses gear.
Preferably, the end of the idler shaft that reverses gear is equipped with the limiting slot for spacer pin insertion.
Preferably, the limiting slot is located at the end center position of the idler shaft that reverses gear, and the limiting slot prolongs
Stretch the extending direction for being oriented parallel to the idler shaft that reverses gear.
Preferably, the length of the limiting slot is 18-22mm.
Preferably, described reverse gear is rotatablely connected between idler shaft and the idle pulley that reverses gear by needle bearing.
Preferably, the spacer pin is elastic cylindrical pin, and the length of the spacer pin is 95-105mm.
The application also provides a kind of heavy truck and gearbox, fixes including the idler shaft that reverses gear described in above-mentioned any one
Device.
The idle pulley shaft fixing device that reverses gear provided herein, including main box and to be mounted on the main tank intracorporal low
Gear cone-plate, reverse gear idler shaft and the idle pulley that reverses gear, and reverse gear idle pulley and the idler shaft socket of reversing gear, further include for described
Reverse gear the spacer pin of idler shaft axial limiting, and one end of the spacer pin is abutted with the idler shaft that reverses gear, the other end with it is described
Low gear cone-plate abuts, also, the extending direction of the spacer pin is parallel to the extending direction of the idler shaft that reverses gear.This reverses gear lazy
Axle fixing device is limited and is fixed to the idler shaft that reverses gear using the spacer pin, solved in the prior art
When being fixed by bolts, the problem of being easy to fall off in gearbox use process, the service life of gearbox is effectively increased, together
When simplify the assembly of gearbox.
Heavy truck and gearbox provided herein is equipped with the above-mentioned idle pulley shaft fixing device that reverses gear, and is reversed gear due to described
Idle pulley shaft fixing device has above-mentioned technique effect, therefore, heavy truck and speed change equipped with the idle pulley shaft fixing device that reverses gear
Case should also be as having corresponding technical effect.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the idle pulley shaft fixing device that reverses gear provided herein；
Wherein: reverse gear idle pulley, 4- needle bearing, 5- of 1- low gear cone-plate, 2- elastic cylindrical pin, 3- reverses gear idler shaft, 6- master
Cabinet.
Specific embodiment
The core of the application is to provide one kind and reverses gear idle pulley shaft fixing device, which can significantly mention
The service life of high gearbox, assembly are simple.It includes that the above-mentioned idler shaft that reverses gear is fixed that another core of the application, which is to provide a kind of,
The heavy truck and gearbox of device.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Referring to FIG. 1, Fig. 1 is a kind of structure of specific embodiment of the idle pulley shaft fixing device that reverses gear provided herein
Schematic diagram.
In this embodiment, the idle pulley shaft fixing device that reverses gear includes main box 6, low gear cone-plate 1, reverse gear 5 and of idler shaft
Reverse gear idle pulley 3 and spacer pin.
Specifically, low gear cone-plate 1, reverse gear idler shaft 5 and the idle pulley 3 that reverses gear is installed in main box 6, reverse gear idle pulley 3 with
The idler shaft 5 that reverses gear socket, the idle pulley 3 that reverses gear are different from the revolving speed of idler shaft 5 that reverses gear；Spacer pin is used for axial to the idler shaft 5 that reverses gear
Limit, one end of spacer pin are abutted with the idler shaft 5 that reverses gear, and the other end is abutted with low gear cone-plate 1, also, the extension side of spacer pin
To the extending direction for being parallel to the idler shaft 5 that reverses gear.
More specifically, the end abutment of one end of spacer pin and the idler shaft 5 that reverses gear, the other end and low gear cone-plate 1 are close to
The surface for keeping off 5 side of idler shaft abuts.
The idle pulley shaft fixing device that reverses gear is limited and is fixed to the idler shaft 5 that reverses gear using spacer pin, is solved existing
Have when being fixed by bolts in technology, the problem of being easy to fall off in gearbox use process, effectively increases making for gearbox
With the service life, while simplifying the assembly of gearbox.
On the basis of the respective embodiments described above, the end for the idler shaft 5 that reverses gear is equipped with the limiting slot being inserted into for spacer pin.Tool
Body, limiting slot is provided with the end center position for the idler shaft 5 that reverses gear, and limiting slot is preferably cylindrical.
On the basis of the respective embodiments described above, limiting slot is located at the end center position for the idler shaft 5 that reverses gear, and limits
The extending direction of slot is parallel to the extending direction for the idler shaft 5 that reverses gear, to realize that the extending direction of spacer pin is parallel to the idle pulley that reverses gear
The extending direction of axis 5.
On the basis of the respective embodiments described above, the length of limiting slot is 18-22mm, i.e., spacer pin is deeply to the idle pulley that reverses gear
Length in axis 5 is 18-22mm, preferably 20mm.
On the basis of the respective embodiments described above, reverses gear and rotated between idler shaft 5 and the idle pulley 3 that reverses gear by needle bearing 4
Connection is reversed gear between idler shaft 5 and the idle pulley 3 that reverses gear or clearance fit connection certainly, with improve reverse gear idler shaft 5 with
Reverse gear the bonding strength of idle pulley 3.
On the basis of the respective embodiments described above, spacer pin is elastic cylindrical pin 2, and the length of spacer pin is 95-105mm,
Preferably 100mm.
The present embodiment provides the idle pulley shaft fixing device that reverses gear, and is installed with elastic cylindrical pin 2 on the idler shaft 5 that reverses gear, is becoming
In the assembling process of fast case, will first reverse gear idle pulley 3, needle bearing 4 are installed in main box 6, then will reverse gear idler shaft 5 together with
Elastic cylindrical pin 2 is fitted into the hole of main box 6, and finally low gear cone-plate 1 is installed on main box 6, passes through low gear cone-plate 1 and bullet
Property straight pin 2 realizes axial limiting and the fixation to the idler shaft 5 that reverses gear, and elastic cylindrical pin 2 is not easily to fall off, not only using effect
Stablize, also, easy for installation, assembly is simple, is conveniently replaceable, can effectively reduce time cost and the labor intensity of staff.
It include that the above-mentioned idler shaft that reverses gear is solid present invention also provides one kind other than the above-mentioned idle pulley shaft fixing device that reverses gear
Determine the heavy truck and gearbox of device, refer to the prior art for other Each parts of the heavy truck and gearbox, this
Text repeats no more.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The idle pulley shaft fixing device that reverses gear provided herein is described in detail above.It is used herein specifically
The principle and implementation of this application are described for a example, the application that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the application original
Under the premise of reason, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the application right and want
In the protection scope asked.
Claims (8)
- The idle pulley shaft fixing device 1. one kind is reversed gear, including main box (6) and the low gear cone-plate being mounted in the main box (6) (1), reverse gear idler shaft (5) and the idle pulley that reverses gear (3), and the idle pulley that reverses gear (3) and the idler shaft that reverses gear (5) are socketed, feature It is, further includes for the spacer pin to the idler shaft that reverses gear (5) axial limiting, one end of the spacer pin is reversed gear with described Idler shaft (5) abuts, and the other end abuts with the low gear cone-plate (1), also, described in the extending direction of the spacer pin is parallel to Reverse gear the extending directions of idler shaft (5).
- 2. the idle pulley shaft fixing device according to claim 1 that reverses gear, which is characterized in that the end of the idler shaft that reverses gear (5) Portion is equipped with the limiting slot for spacer pin insertion.
- 3. the idle pulley shaft fixing device according to claim 2 that reverses gear, which is characterized in that the limiting slot is located at described reverse gear The end center position of idler shaft (5), and the extending direction of the limiting slot is parallel to the extension of idler shaft (5) of reversing gear Direction.
- 4. the idle pulley shaft fixing device according to claim 3 that reverses gear, which is characterized in that the length of the limiting slot is 18- 22mm。
- 5. the idle pulley shaft fixing device according to claim 1 that reverses gear, which is characterized in that the idler shaft that reverses gear (5) and institute It states and is rotatablely connected between the idle pulley that reverses gear (3) by needle bearing (4).
- 6. according to claim 1 to the idle pulley shaft fixing device that reverses gear described in 5 any one, which is characterized in that the spacer pin For elastic cylindrical pin (2), the length of the spacer pin is 95-105mm.
- 7. a kind of gearbox, including the idle pulley shaft fixing device that reverses gear, which is characterized in that the idle pulley shaft fixing device that reverses gear is power Benefit requires the idle pulley shaft fixing device that reverses gear described in 1 to 6 any one.
- 8. a kind of heavy truck, including gearbox, which is characterized in that the gearbox is gearbox as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821720796.8U CN208951268U (en) | 2018-10-23 | 2018-10-23 | A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821720796.8U CN208951268U (en) | 2018-10-23 | 2018-10-23 | A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951268U true CN208951268U (en) | 2019-06-07 |
Family
ID=66742516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821720796.8U Active CN208951268U (en) | 2018-10-23 | 2018-10-23 | A kind of heavy truck and its gearbox and the idle pulley shaft fixing device that reverses gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951268U (en) |
-
2018
- 2018-10-23 CN CN201821720796.8U patent/CN208951268U/en active Active
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