CN209430721U - A kind of heavy load truck and its gear box - Google Patents
A kind of heavy load truck and its gear box Download PDFInfo
- Publication number
- CN209430721U CN209430721U CN201822099769.XU CN201822099769U CN209430721U CN 209430721 U CN209430721 U CN 209430721U CN 201822099769 U CN201822099769 U CN 201822099769U CN 209430721 U CN209430721 U CN 209430721U
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- Prior art keywords
- cabinet
- spacer pin
- hole
- gear box
- spacer
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Abstract
The utility model discloses a kind of gear boxes; including to guarantee the sealing of transmission internal environment to protect the first cabinet, the second cabinet of inner components; first cabinet is fixedly connected by several spacer pins with the second cabinet; whole spacer pins be equipped with the axial direction along spacer pin open up, the through-hole to prevent air pressure resistance when spacer pin is packed into the second cabinet and positioned at spacer pin one end, with the connecting hole for splitting out the second cabinet for spacer pin, and through-hole and connecting hole are coaxially disposed.The invention also discloses a kind of heavy load trucks including above-mentioned gear box.Above-mentioned gear box can solve spacer pin and dismount difficult problem in the second cabinet of gearbox, and then can simplify the assembling process of gear box, improve production efficiency.
Description
Technical field
The utility model relates to gearbox mounting technology field, in particular to a kind of gear box.The utility model is also
It is related to a kind of heavy load truck with the gear box.
Background technique
In gearbox operational process, if generating relative motion between cabinet will have a direct impact on the normal operation of gearbox.
The relative motion between cabinet is in order to prevent to avoid the normal operation for influencing gearbox, in existing market, commonly uses
Cylinder pin connection shell guarantees that gearbox operates normally to prevent between cabinet relative motion.Please refer to figs. 1 to 4, and Fig. 1 is
The explosive view of left side cabinet, cylinder spacer pin and right side cabinet in the prior art；Fig. 2 be in the prior art cylinder spacer pin with
The structural schematic diagram of right side cabinet assembly；Fig. 3 is A in Fig. 21-A1The schematic diagram of the section structure；Fig. 4 is left side case in the prior art
Body, cylinder spacer pin and right side cabinet overall structure diagram.Left side cabinet 01 passes through cylinder spacer pin 03 and right side cabinet
02 connection, in gearbox installation process, firstly, cylinder spacer pin 03 is mounted on the cabinet 02 of right side, then left side cabinet
01 is linked together by cylinder spacer pin 03 with right side cabinet 02.The installation that cylinder spacer pin 03 is turned right in 02 pin hole of side box body
In the process, due to the limitation of cylinder spacer pin 03 and 02 connection structure of right side cabinet, it is difficult to install to will lead to cylinder spacer pin 03；
In addition, the disassembly of cylinder spacer pin 03 is also extremely difficult during maintenance more renews part.
Therefore, how to avoid cylinder spacer pin from dismounting difficulty in gear box, be that those skilled in the art need at present
Technical problems to be solved.
Utility model content
The purpose of the utility model is to provide a kind of gear box, which can solve cylinder spacer pin and exists
Difficult problem is dismounted in gear box, so as to be convenient for installation and removal of the cylinder spacer pin in cabinet, Jin Erke
To simplify the assembling process of gearbox, production efficiency is improved.It includes above-mentioned change that the another object of the utility model, which is to provide a kind of,
The heavy load truck of fast box body.
To achieve the above object, the utility model provides a kind of gear box, including to guarantee transmission internal ring
Border sealing to protect the first cabinet, the second cabinet of inner components, first cabinet by several spacer pins with it is described
Second cabinet is fixedly connected, and all the spacer pins are equipped with the axial direction along the spacer pin and open up, to when the spacer pin
The through-hole of air pressure resistance is prevented when being packed into second cabinet and is located at described spacer pin one end, with for the limit
Pin splits out the connecting hole of second cabinet, and the through-hole and the connecting hole are coaxially disposed.
Preferably, second cabinet is equipped with several and opens up along the interior direction of second cabinet, with for described
One end of spacer pin is packed into realize the second affixed mounting hole；First cabinet is equipped with several along first cabinet
Interior direction is opened up, is packed into the other end for the spacer pin to realize the first affixed mounting hole, whole described first
Mounting hole is arranged in a one-to-one correspondence with all second mounting holes.
Preferably, the spacer pin and second mounting hole pass through interference fit connection.
Preferably, the spacer pin is connect with first mounting hole by clearance fit.
Preferably, the inner sidewall of the connecting hole is equipped with connects to cooperate with the auxiliary mould for dismantling the spacer pin
The screw thread connect.
The utility model also provides a kind of heavy load truck, including gear box described in any of the above embodiments.
Relative to above-mentioned background technique, the relative motion between cabinet is in order to prevent to avoid the normal fortune for influencing gearbox
Row, by limit the first cabinet of pin connection and the second cabinet, however, due to can be with the second cabinet when spacer pin is packed into the second cabinet
Pin hole form a closing chamber, the air inside the closing chamber will form air pressure in compression process, to hinder spacer pin
It is fitted into the second cabinet, meanwhile, when dismantling spacer pin, solid spacer pin does not have forced position to be dismantled for tooling, and
And by effects of air pressure in closing chamber, disassembly is extremely difficult, therefore, uses a kind of gearbox case for being easily installed, dismantling spacer pin
Body is necessary.
Specifically, gear box provided by the utility model includes the first cabinet, the second cabinet and spacer pin,
In, the first cabinet and the second cabinet are used to guarantee that transmission internal environment seals, and are located at transmission internal so as to protect
Components；First cabinet is fixedly connected by several spacer pins with the second cabinet, and further, whole spacer pins are equipped with logical
Hole and connecting hole, wherein through-hole is opened up along the axial direction of spacer pin, and when spacer pin is packed into the second cabinet, through-hole can be for second
The air in closing chamber that cabinet and spacer pin are constituted flows out, so as to prevent that air pressure resistance hinders spacer pin to be packed into the
Two cabinets；Connecting hole be set to spacer pin one end, when spacer pin splits out the second cabinet, connecting hole can tooling easy to disassemble find
Forced position, consequently facilitating splitting out spacer pin, and through-hole and connecting hole are coaxially disposed.So, which can
To solve the problems, such as that spacer pin dismounts difficulty in the second cabinet of gearbox, and then it can simplify the assembly of gear box
Journey improves production efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the explosive view of left side cabinet, cylinder spacer pin and right side cabinet in the prior art；
Fig. 2 is the structural schematic diagram of cylinder spacer pin and the assembly of right side cabinet in the prior art；
Fig. 3 is A in Fig. 21-A1The schematic diagram of the section structure；
Fig. 4 is left side cabinet, cylinder spacer pin and right side cabinet overall structure diagram in the prior art；
Fig. 5 is the first cabinet, spacer pin and the second cabinet in gear box provided by the utility model embodiment
Assembling structure schematic diagram；
Fig. 6 is B in Fig. 51-B1The schematic diagram of the section structure；
Fig. 7 is the auxiliary mould structural schematic diagram for dismantling spacer pin；
C in Fig. 8 Fig. 71-C1The schematic diagram of the section structure.
Wherein:
Pull pin connecting rod, 5- of the first cabinet of 1-, the second cabinet of 2-, 3- spacer pin, 31- through-hole, 32- connecting hole, 4- pulls pin
Stick.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of gear box, which can solve cylinder spacer pin and exist
Difficult problem is dismounted in gear box, so as to be convenient for installation and removal of the cylinder spacer pin in cabinet, Jin Erke
To simplify the assembling process of gearbox, production efficiency is improved.It includes above-mentioned change that another core of the utility model, which is to provide a kind of,
The heavy load truck of fast box body.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
It should be noted that the nouns of locality such as " left side, right side " described below are all based on defined in Figure of description.
Fig. 5 to Fig. 8 is please referred to, Fig. 5 is the first cabinet in gear box provided by the utility model embodiment, limit
Position pin and the second box body assembling structure schematic diagram；Fig. 6 is B in Fig. 51-B1The schematic diagram of the section structure；Fig. 7 is to limit for dismantling
The auxiliary mould structural schematic diagram of pin；C in Fig. 8 Fig. 71-C1The schematic diagram of the section structure.
Gear box provided by the utility model embodiment, including the first cabinet 1, the second cabinet 2 and spacer pin
3, wherein in gearbox operational process, on the one hand, for the operation of the components such as the gear, the transmission shaft that guarantee transmission internal
The leakproofness of environment, to prevent transmission internal components not by the pollution of external environment and corrosion, on the other hand, it is contemplated that
The operational process of transmission internal components needs to guarantee lubricant environment by addition lubricating oil, to guarantee each components
To improve their service life, gearbox is equipped with positioned at external the first cabinet 1 and the second cabinet 2 stability of operation, this
Sample can realize above-mentioned function by being fixedly connected with the first cabinet 1 and the second cabinet 2.
First cabinet 1 is fixedly connected by several spacer pins 3 with the second cabinet 2, further, in order to realize spacer pin
3 easy-to-mount functions, whole spacer pins 3 are equipped with through-hole 31 and connecting hole 32, wherein axial direction of the through-hole 31 along spacer pin 3
It opens up, so, when spacer pin 3 is packed into the second cabinet 2, through-hole 31 can be for the envelope of the second cabinet 2 and the composition of spacer pin 3
Air outflow in closed chamber, so as to prevent that air pressure resistance hinders spacer pin 3 to be packed into the second cabinet 2.
In addition, the internal diameter of through-hole 31 can be adjusted according to actual matching requirements, under usual condition, the through-hole 31
Internal diameter is preferably arranged to 3mm~5mm；In assembling process, by the through-hole 31 of the predetermined inner diameter, the end of spacer pin 3 and the
Two cabinets 2 not will form closing chamber, so that air pressure resistance will not be formed.
Connecting hole 32 is set to one end of spacer pin 3, and the other end of spacer pin 3 is packed into the second cabinet 2, when spacer pin 3 is torn open
Out when the second cabinet 2, connecting hole 32 can tooling easy to disassemble find forced position, consequently facilitating splitting out spacer pin 3, and lead to
Hole 31 and connecting hole 32 are coaxially disposed, that is to say, that the axis of spacer pin 3 is the axis of through-hole 31 Yu connecting hole 32, that is, can
Connecting hole 32 in the through-hole 31 of one end for being located at spacer pin 3, is further arranged, the internal diameter of the connecting hole 32 is greater than through-hole 31
Internal diameter, axial direction of the through-hole 31 with connecting hole 32 each along spacer pin 3 open up.
It is difficult that such set-up mode can solve installation and removal of the spacer pin 3 in the second cabinet 2 of gearbox
The problem of, and then can simplify the assembling process of gear box, improve production efficiency.
In the utility model embodiment, the second cabinet 2 is equipped with several second mounting holes, and the first cabinet 1 is equipped with several
A first mounting hole, wherein the second mounting hole is opened up along the interior direction of the second cabinet 2, and one end of spacer pin 3 can be packed into
In two mounting holes, so as to realize being fixedly connected for spacer pin 3 and the second cabinet 2；First mounting hole is along the first cabinet 1
Side direction opens up, and after installing spacer pin 3 and the second cabinet 2, further consolidates the other end of the first cabinet 1 and spacer pin 3
The other end of spacer pin 3 is packed into the installation that the first cabinet 1 and spacer pin 3 can be completed in the first mounting hole, in turn by fixed connection
Complete being fixedly connected for the first cabinet 1 and the second cabinet 2.
Herein it should be noted that the quantity of the second mounting hole of the second cabinet 2 setting and the first of the setting of the first cabinet 1
The quantity of mounting hole and the quantity of spacer pin used 3 are all identical, and the size of the first mounting hole and the second mounting hole can basis
The model of spacer pin 3 adjusts；Herein, all the first mounting hole and whole second mounting holes are closed in one-to-one position
System, and when the first cabinet 1 and the second cabinet 2 fix as one, the first mounting hole for being connected on the same spacer pin 3 and
Second mounting hole is coaxial with the spacer pin 3.
Specifically, spacer pin 3 and the second mounting hole can be set to connect by interference fit, at this point, spacer pin 3
The inner sidewall of lateral wall and the second mounting hole should cooperate fastening, and not easily to fall off, and the tolerance range of the second mounting hole is answered
Under the tolerance range in spacer pin 3, it is necessary to spacer pin 3 be squeezed into the second mounting hole by special tool(s) (for example, "painted-face" character in opera)
It is interior.
Spacer pin 3 can be set to connect by clearance fit with the first mounting hole, at this point, the tolerance range of the first mounting hole
Relative motion should can be generated after can permit spacer pin 3 and the cooperation of the first mounting hole on the tolerance range of spacer pin 3.
Certainly, according to actual needs, spacer pin 3 and the second mounting hole and spacer pin 3 and the first mounting hole can also be with
There are other different set-up modes, premise is that facilitating the installation between spacer pin 3 and the first cabinet 1 and the second cabinet 2
With disassembly；In addition, interference fit connection and spacer pin 3 and the gap of first mounting hole of the spacer pin 3 with the second mounting hole are matched
The other technologies for closing connection require the associated specifications for being referred to existing part, herein will not be reinflated.
In order to optimize above-described embodiment, the connecting hole 32 of spacer pin 3 specifically can be set to threaded hole, that is to say, that can
The screw thread of default model to be arranged in the inner sidewall of connecting hole 32, in the disassembly process of spacer pin 3, threaded hole can be used for
The mating connection of connecting rod 4 of pulling pin of the auxiliary mould of spacer pin 3 is dismantled, and the model of screw thread can be according to connecting rod 4 of pulling pin
The screw thread on top determines.
On the basis of the above, by auxiliary mould by spacer pin 3 from splitting out in the second mounting hole of the second cabinet 2, example
Such as, which can be set to include that stick 5 of pulling pin is pulled pin 5 sets of stick in disassembly process with the tooling of connecting rod 4 of pulling pin
Enter to pull pin in connecting rod 4, then the threaded portion on 4 top of connecting rod of pulling pin is screwed into the threaded hole of spacer pin 3, hand, which is held, pulls pin
Stick 5 pulls outward repeatedly, and hits the outer end for connecting rod 4 of pulling pin, and spacer pin 3 can be pulled out from the second cabinet 2 in this way.
A kind of heavy load truck provided by the utility model, including gear box described in above-mentioned specific embodiment；
The other parts of heavy load truck are referred to the prior art, not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Heavy load truck provided by the utility model and its gear box are described in detail above.It answers herein
The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection scope of the utility model claims with modification.
Claims (6)
1. a kind of gear box, which is characterized in that including to guarantee that the sealing of transmission internal environment is zero internal to protect
The first cabinet (1), the second cabinet (2) of part, first cabinet (1) pass through several spacer pins (3) and second cabinet
(2) it is fixedly connected, all the spacer pins (3) are equipped with the axial direction along the spacer pin (3) and open up, to when the spacer pin
(3) be packed into the second cabinet (2) when prevent air pressure resistance through-hole (31) and be located at the spacer pin (3) one end,
With the connecting hole (32) for splitting out second cabinet (2) for the spacer pin (3), and the through-hole (31) and the connecting hole
(32) it is coaxially disposed.
2. gear box according to claim 1, which is characterized in that second cabinet (2) is equipped with several along institute
The interior direction for stating the second cabinet (2) is opened up, is packed into one end for the spacer pin (3) to realize the second affixed installation
Hole；First cabinet (1) is equipped with several and opens up along the interior direction of first cabinet (1), with for the spacer pin
(3) the other end is packed into realize the first affixed mounting hole, all first mounting hole and all second mounting hole
It is arranged in a one-to-one correspondence.
3. gear box according to claim 2, which is characterized in that the spacer pin (3) and second mounting hole
It is connected by interference fit.
4. gear box according to claim 3, which is characterized in that the spacer pin (3) and first mounting hole
It is connected by clearance fit.
5. gear box according to any one of claims 1 to 4, which is characterized in that the inside of the connecting hole (32)
Wall is equipped with the screw thread to be cooperatively connected with the auxiliary mould for dismantling the spacer pin (3).
6. a kind of heavy load truck, which is characterized in that including gear box such as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099769.XU CN209430721U (en) | 2018-12-13 | 2018-12-13 | A kind of heavy load truck and its gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099769.XU CN209430721U (en) | 2018-12-13 | 2018-12-13 | A kind of heavy load truck and its gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209430721U true CN209430721U (en) | 2019-09-24 |
Family
ID=67971791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822099769.XU Active CN209430721U (en) | 2018-12-13 | 2018-12-13 | A kind of heavy load truck and its gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209430721U (en) |
-
2018
- 2018-12-13 CN CN201822099769.XU patent/CN209430721U/en active Active
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