CN216833218U - Electric fork truck drive axle assembly and electric fork truck - Google Patents
Electric fork truck drive axle assembly and electric fork truck Download PDFInfo
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- CN216833218U CN216833218U CN202220272174.3U CN202220272174U CN216833218U CN 216833218 U CN216833218 U CN 216833218U CN 202220272174 U CN202220272174 U CN 202220272174U CN 216833218 U CN216833218 U CN 216833218U
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- wheel edge
- reduction gearbox
- axle housing
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Abstract
The embodiment of the utility model provides an electric fork truck transaxle assembly and electric fork truck are provided to drive vehicle technical field, and electric fork truck transaxle assembly includes: the axle housing, drive mechanism and reduction box, the first wheel edge assembly and second wheel edge assembly are installed on both sides of the axle housing; the driving mechanism is connected with the axle housing through a connecting piece; the reduction gearbox is connected with the axle housing, the input end of the reduction gearbox is connected with the output end of the driving mechanism, and two sides of the output end of the reduction gearbox are respectively in rotating connection with the first wheel edge assembly and the second wheel edge assembly through rotating shafts. In this way, set up actuating mechanism and reducing gear box on the axle housing, also actuating mechanism and reducing gear box are all installed in the axle housing, so install inseparabler between driving motor and reducing gear box and the axle housing, are favorable to saving the space of the relative whole car of transaxle and account for the ratio, support actuating mechanism and reducing gear box through the axle housing moreover, can further improve the installation stability of actuating mechanism and reducing gear box, and then improve the rotational stability of wheel limit assembly.
Description
Technical Field
The utility model relates to a drive vehicle technical field, especially relate to an electric fork truck transaxle assembly and electric fork truck.
Background
In driving vehicles, particularly main parts of a drive axle assembly of an electric forklift comprise a driving mechanism, a main reduction gearbox and a drive axle, a driving motor is generally adopted in the existing drive axle to be connected with the main reduction gearbox, then the wheel edge assembly connected with the two sides is driven through the main reduction gearbox, so that the driving mechanism needs to be additionally provided with a supporting mechanism, and further the drive axle assembly is large in overall size and low in operation stability.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electric fork truck transaxle assembly and electric fork truck for solve among the prior art transaxle mounting means and cause the great and technical problem that dismouting is inefficient of whole size.
On the one hand, the embodiment of the utility model provides an electric fork-lift drive axle assembly, include: the axle housing is provided with a first wheel edge assembly and a second wheel edge assembly on two sides;
the driving mechanism is connected with the axle housing through a connecting piece;
the reduction gearbox is connected with the axle housing, the input end of the reduction gearbox is connected with the output end of the driving mechanism, and two sides of the output end of the reduction gearbox are respectively in rotating connection with the first wheel edge assembly and the second wheel edge assembly through rotating shafts.
According to the electric forklift drive axle assembly provided by the embodiment of the utility model, a baffle is arranged in the axle housing, and a positioning flange is arranged on the baffle;
the reduction gearbox is connected with the positioning flange.
According to the electric forklift drive axle assembly provided by one embodiment of the utility model, a central hole is formed in the baffle, the baffle is provided with the positioning flange at the central hole, the positioning flange is provided with a mounting hole concentric with the central hole, and the positioning flange and the baffle form a limiting space;
the output end of the reduction gearbox is embedded in the limiting space and connected with the positioning flange (120).
According to the electric forklift drive axle assembly provided by the embodiment of the utility model, the number of the rotating shafts is two;
one of the rotating shafts penetrates through the mounting hole and is rotatably connected with one end of the output end of the reduction gearbox, and the other rotating shaft is rotatably connected with the other end of the output end of the reduction gearbox.
According to the electric forklift drive axle assembly provided by one embodiment of the utility model, one side of the positioning flange facing the second wheel edge assembly is provided with the first plate body and the second plate body which are arranged in a stacked manner, the first plate body and the second plate body are arranged around the mounting hole, and the circumferential dimension of the second plate body is smaller than that of the first plate body;
the positioning flange with under the baffle installation state, first plate body be close to a terminal surface of second plate body with the laminating of baffle side, the second plate body with first plate body with the baffle forms spacing space.
According to the electric forklift drive axle assembly provided by the embodiment of the utility model, the positioning flange is provided with the limiting inclined plane, and the baffle is provided with at least two bolt holes;
and under the installation state of the positioning flange and the baffle, a positioning bolt is installed in the bolt hole and is abutted against the limiting inclined plane so as to limit the position of the positioning flange.
According to the utility model discloses an electric fork-lift drive axle assembly, flange with can dismantle the connection through construction bolt between the baffle.
According to the utility model discloses an electric fork-lift drive axle assembly of an embodiment, the connecting piece includes first connecting piece and second connecting piece;
the first connecting piece is connected with the axle housing, the length extending direction of the first connecting piece corresponds to the direction of the first wheel edge assembly towards the second wheel edge assembly, and the driving mechanism and the reduction gearbox are connected with the first connecting piece;
the second connecting piece is hinged with the first connecting piece and is connected with the driving mechanism through a screw.
According to the electric forklift drive axle assembly provided by one embodiment of the utility model, a first matching hole and a second matching hole are formed on two opposite sides of the axle housing, and the central connecting line of the first matching hole and the second matching hole is collinear with the output end rotating axis of the reduction gearbox;
the first wheel edge assembly is arranged in the first matching hole, the second wheel edge assembly is arranged in the second matching hole, one of the rotating shafts penetrates through the first matching hole to be rotatably connected with the first wheel edge assembly, and the other of the rotating shafts penetrates through the second matching hole to be rotatably connected with the second wheel edge assembly.
On the other hand, the embodiment of the utility model provides an electric fork-lift truck, including automobile body and foretell electric fork-lift truck transaxle assembly, electric fork-lift truck transaxle assembly locates on the automobile body.
The embodiment of the utility model provides an electric fork-lift drive axle assembly sets up actuating mechanism and reducing gear box on the axle housing, also promptly actuating mechanism and reducing gear box all install in the axle housing, so install between driving motor and reducing gear box and the axle housing inseparabler, be favorable to saving the space of the relative whole car of transaxle and account for than, support actuating mechanism and reducing gear box through the axle housing moreover, can further improve the installation stability of actuating mechanism and reducing gear box, and then improve the rotational stability of wheel limit assembly.
To electric fork truck, including foretell electric fork truck transaxle assembly, possess all beneficial effects that electric fork truck transaxle assembly has, do not do the repeated description here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a drive axle assembly of an electric forklift according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of the exploded structure shown in FIG. 1;
fig. 3 is a schematic structural diagram of a positioning flange according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the axle housing shown in FIG. 1;
FIG. 5 is a structural schematic view of another angle of the axle housing shown in FIG. 4;
reference numerals:
10. an axle housing; 110. a baffle plate; 1110. a central bore; 1120. bolt holes; 120. positioning the flange; 1210. mounting holes; 1220. a first plate body; 1230. a second plate body; 1240. a limit inclined plane; 130. a limiting space; 140. a connecting member; 1410. a first connecting member; 1420. a second connecting member; 150. a first matching hole; 160. a second matching hole; 170. a rotating shaft;
20. a first wheel edge assembly; 210. a limiting step;
30. a second wheel side assembly; 310. a planetary gear structure;
40. a drive mechanism; 410. a spline;
50. a reduction gearbox.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Referring to fig. 1 to 5, an embodiment of the present invention provides an electric forklift drive axle assembly, including: the axle housing 10, the driving mechanism 40 and the reduction gearbox 50, wherein a first wheel edge assembly 20 and a second wheel edge assembly 30 are arranged on two sides of the axle housing 10; the drive mechanism 40 is connected to the axle housing 10 by a connecting member 140; the reduction gearbox 50 is connected with the axle housing 10, the input end of the reduction gearbox 50 is connected with the output end of the driving mechanism 40, and two sides of the output end of the reduction gearbox 50 are respectively in rotating connection with the first wheel edge assembly 20 and the second wheel edge assembly 30 through the rotating shaft 170.
It should be noted that the axle housing 10 can connect the driving mechanism 40 and the reduction gearbox 50 together, so that the drive axle assembly has stronger integrity, which is beneficial to improving the space utilization rate of the whole vehicle. And first wheel limit assembly 20 and second wheel limit assembly 30 are connected with axle housing 10, and first wheel limit assembly 20 and second wheel limit assembly 30 set up separately with axle housing 10 promptly, and it is more convenient to install and overhaul. That is, the first wheel side assembly 20 and the second wheel side assembly 30 are respectively convenient to disassemble and repair.
The drive mechanism 40 may include a drive motor and a controller, i.e., the drive motor and the controller are integrated and mounted to the axle housing 10, which facilitates reducing the footprint of the drive motor and the controller. The reduction gearbox 50 can further select an independent reduction gearbox assembly, the structure size of the output end differential mechanism of the reduction gearbox assembly is small, the requirement of a small axle packet of the axle assembly can be met, and therefore the purpose that the front overhang of the whole vehicle is reduced by small tires is achieved, the independent reduction gearbox assembly is small in whole size and light in weight, the normal arrangement space utilization rate is favorably further improved, and the energy consumption of the vehicle is reduced.
Further, the first wheel edge assembly 20 and the second wheel edge assembly 30 are of a central plane symmetric structure, and the coaxiality is higher, so that the reduction gearbox 50 can drive the first wheel edge assembly 20 and the second wheel edge assembly 30 synchronously.
Referring to fig. 3 to 5, in some embodiments of the present invention, a baffle 110 is disposed in the axle housing 10, and a positioning flange 120 is mounted on the baffle 110. The reduction gearbox 50 is connected to a positioning flange 120. The baffle 110 is provided to divide the interior space of the axle housing 10 into a first chamber in which the drive mechanism 40 is located and a second chamber in which the reduction gearbox 50 is located. The reduction gearbox 50 is connected with the positioning flange 120, that is, the position of the reduction gearbox 50 is limited, and further, the position of the rotation axis of the output end of the reduction gearbox 50 is determined, that is, the rotation axis of the output end of the reduction gearbox 50 can be controlled to be collinear with the rotation axes of the rotating shaft 170, the first wheel side assembly 20 and the second wheel side assembly 30, so that the first wheel side assembly 20 and the second wheel side assembly 30 have stronger rotation stability under the driving of the driving mechanism 40.
The baffle 110 is provided with a central hole 1110, the baffle 110 is provided with the positioning flange 120 at the central hole 1110, the positioning flange 120 is provided with an installation hole 1210 concentric with the central hole 1110, and the positioning flange 120 and the baffle 110 form a limit space 130; the output end of the reduction box 50 is embedded in the limit space 130.
That is, the positioning flange 120 is provided to facilitate mounting and positioning of the output end of the reduction gearbox 50 such that the rotational axis of the output end of the reduction gearbox 50 is concentric with the central aperture 1110 and the mounting aperture 1210. For the rotating shafts 170, the number of the rotating shafts 170 is two, one of the rotating shafts 170 penetrates through the mounting hole 1210 and is rotatably connected with one end of the output end of the reduction gearbox 50, and the other rotating shaft 170 is rotatably connected with the other end of the output end of the reduction gearbox 50. After the reduction gearbox 50 is installed, the output end of the reduction gearbox 50 drives the rotating shaft 170 to rotate, and further drives the first wheel edge assembly 20 and the second wheel edge assembly 30 to rotate. And the center of the rotating shaft 170, the mounting hole 1210 and the rotating axis of the reduction gearbox 50 are collinear, so that the reduction gearbox 50 drives the first wheel edge assembly 20 and the second wheel edge assembly 30 to have higher rotating stability.
With continued reference to fig. 3, in some embodiments of the present invention, a first plate 1220 and a second plate 1230 are disposed in a stacked manner on a side of the positioning flange 120 facing the second wheel rim assembly 30, the first plate 1220 and the second plate 1230 are both disposed around the mounting hole 1210, and a circumferential dimension of the second plate 1230 is smaller than a circumferential dimension of the first plate 1220; when the positioning flange 120 and the baffle plate 110 are installed, one end surface of the first plate body 1220 close to the second plate body 1230 is attached to the side surface of the baffle plate 110, and the second plate body 1230, the first plate body 1220 and the baffle plate 110 form a limiting space 130.
The second plate body 1230 of the positioning flange 120 is embedded in the mounting hole 1210, one end surface of the first plate body 1220 facing the second plate body 1230 abuts against the side surface of the baffle plate 110, and the circumferential dimension of the second plate body 1230 is smaller than the diameter of the mounting hole 1210, so that the second plate body 1230, the first plate body 1220 and the baffle plate 110 form a limiting space 130. The output end of the reduction gearbox 50 is embedded into the limiting space 130 to limit the position of the output end of the reduction gearbox 50.
Furthermore, the positioning flange 120 is provided with a limiting inclined plane 1240, and the baffle plate 110 is provided with at least two bolt holes 1120; in the installation state of the positioning flange 120 and the baffle 110, the bolt holes 1120 are used for installing positioning bolts, and the positioning bolts abut against the limit inclined surfaces 1240 to limit the position of the positioning flange 120. Be equipped with the breach on the flange 120, breach department forms spacing inclined plane 1240, sets up two at least bolt holes 1120 along the orientation on the baffle 110, when flange 120 installs to baffle 110, sets up positioning bolt in bolt hole 1120 department, and positioning bolt can prevent that flange 120 from taking place to rotate to improve flange 120's installation stability. That is, during the rotation of the output end of the reduction gearbox 50, the positioning bolts can further reduce the impact of the vibration on the positioning flange 120.
In some embodiments of the present invention, the positioning flange 120 and the baffle 110 are detachably connected by mounting bolts. That is, a plurality of mounting holes 1210 may be formed in the baffle 110, and then the positioning flange 120 may be mounted by mounting bolts.
As for the connection member 140, the connection member 140 includes a first connection member 1410 and a second connection member 1420; the first connecting piece 1410 is connected with the axle housing 10, the length extending direction of the first connecting piece 1410 corresponds to the direction of the first wheel edge assembly 20 towards the second wheel edge assembly 30, and the driving mechanism 40 and the reduction gearbox 50 are connected with the first connecting piece 1410; the second connecting piece 1420 is hinged to the first connecting piece 1410, the second connecting piece 1420 is circular, the second connecting piece 1420 is connected to the driving mechanism 40 through a screw, and the output end of the driving mechanism 40 is provided with a spline 410 to be connected with the input end of the reduction gearbox 50.
That is, the first connecting member 1410 is mounted to the axle housing 10 for mounting and supporting the drive mechanism 40 and the reduction gear case 50. The second link 1420 extends outward toward the side away from the axle housing 10 and has a circular arc shape for further improving the mounting stability of the drive mechanism 40.
For the first wheel edge assembly 20 and the second wheel edge assembly 30, a first matching hole 150 and a second matching hole 160 are formed in two opposite sides of the axle housing 10, and the central connecting line of the first matching hole 150 and the second matching hole 160 is collinear with the output end rotation axis of the reduction gearbox 50; the first wheel edge assembly 20 is installed in the first matching hole 150, the second wheel edge assembly 30 is installed in the second matching hole 160, one of the rotating shafts 170 passes through the first matching hole 150 to be rotatably connected with the first wheel edge assembly 20, and the other of the rotating shafts 170 passes through the second matching hole 160 to be rotatably connected with the second wheel edge assembly 30.
That is, the centers of the first matching hole 150, the second matching hole 160 and the mounting hole 1210 are collinear, and thus the output end of the reduction box 50 is collinear with the rotation axes of the first wheel edge assembly 20 and the second wheel edge assembly 30, so that the coaxiality of the output ends of the first wheel edge assembly 20, the second wheel edge assembly 30 and the reduction box 50 is higher.
Further, the first wheel edge assembly 20 and the second wheel edge assembly 30 are detachably connected with the axle housing 10, and each wheel edge assembly includes a planetary gear structure 310 inside; a limiting step 210 is formed on one side of the first wheel edge assembly 20 and the second wheel edge assembly 30 far away from each other, and the circumferential size of the limiting step 210 is smaller than the circumferential size of one side of the first wheel edge assembly 20 and the second wheel edge assembly 30 near each other. Therefore, the wheel hub with smaller mounting size can be adapted, and the purpose of reducing the front overhang of the whole vehicle by adopting a small tire is achieved. It should be noted that, here, the limiting step 210 provided on the first wheel edge assembly 20 is taken as an example, the limiting step 210 is also provided on the second wheel edge assembly 30, and the first wheel edge assembly 20 and the second wheel edge assembly 30 are identical in structure and are symmetrically arranged.
The first wheel edge assembly 20 and the second wheel edge assembly 30 both comprise a planetary gear structure 310 and a parking integrated braking structure, the speed reduction and the braking of the assemblies are realized, and the speed ratio of the whole axle can reach 38.287. And first wheel limit assembly 20 and second wheel limit assembly 30 all pass through bolt or screw detachable connection with axle housing 10, when needs overhaul it, can quick assembly disassembly and overhaul, need not to demolish the whole bridge, have improved the maintainability of whole bridge. Here, the planetary gear structure 310 is provided on the second wheel side assembly 30 side for explanation, and the planetary gear structure 310 and the brake structure integrated with the traveling and parking are similarly provided on the first wheel side assembly 20 side, which is only an example and is not limited thereto.
An embodiment of the utility model provides an electric fork-lift truck, including automobile body (not shown) and foretell electric fork-lift truck transaxle assembly, electric fork-lift truck transaxle assembly locates on the automobile body.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An electric forklift drive axle assembly, comprising:
the axle housing is provided with a first wheel edge assembly and a second wheel edge assembly on two sides;
the driving mechanism is connected with the axle housing through a connecting piece;
the reduction gearbox is connected with the axle housing, the input end of the reduction gearbox is connected with the output end of the driving mechanism, and two sides of the output end of the reduction gearbox are respectively in rotating connection with the first wheel edge assembly and the second wheel edge assembly through rotating shafts.
2. The electric forklift drive axle assembly as defined in claim 1, wherein a baffle is arranged in the axle housing, and a positioning flange is mounted on the baffle;
the reduction gearbox is connected with the positioning flange.
3. The electric forklift drive axle assembly as recited in claim 2, wherein said baffle plate is provided with a central hole, said baffle plate is provided with said positioning flange at said central hole, said positioning flange is provided with a mounting hole concentric with said central hole, and said positioning flange and said baffle plate form a limit space;
the output end of the reduction gearbox is embedded in the limiting space and connected with the positioning flange.
4. The electric forklift drive axle assembly of claim 3, wherein the number of the rotating shafts is two;
one of the rotating shafts penetrates through the mounting hole and is rotatably connected with one end of the output end of the reduction gearbox, and the other rotating shaft is rotatably connected with the other end of the output end of the reduction gearbox.
5. The electric forklift drive axle assembly according to claim 3, wherein a side of the positioning flange facing the second wheel side assembly is provided with a first plate body and a second plate body which are arranged in a stacked manner, the first plate body and the second plate body are both arranged around the mounting hole, and the circumferential dimension of the second plate body is smaller than that of the first plate body;
the positioning flange with under the baffle installation state, first plate body be close to a terminal surface of second plate body with the laminating of baffle side, the second plate body with first plate body with the baffle forms spacing space.
6. The electric forklift drive axle assembly of claim 3, wherein the positioning flange is provided with a limiting inclined surface, and the baffle plate is provided with at least two bolt holes;
and under the installation state of the positioning flange and the baffle, a positioning bolt is installed in the bolt hole and is abutted against the limiting inclined plane so as to limit the position of the positioning flange.
7. The electric lift truck transaxle assembly of claim 3 wherein the retaining flange is removably coupled to the baffle by mounting bolts.
8. The electric lift truck transaxle assembly of claim 1 wherein the connector comprises a first connector and a second connector;
the first connecting piece is connected with the axle housing, the length extending direction of the first connecting piece corresponds to the direction of the first wheel edge assembly towards the second wheel edge assembly, and the driving mechanism and the reduction gearbox are connected with the first connecting piece;
the second connecting piece is hinged with the first connecting piece and is connected with the driving mechanism through a screw.
9. The electric forklift drive axle assembly as defined in claim 1, wherein the axle housing has a first matching hole and a second matching hole formed on opposite sides thereof, and a central connecting line of the first matching hole and the second matching hole is collinear with the rotational axis of the output end of the reduction gearbox;
the first wheel edge assembly is arranged in the first matching hole, the second wheel edge assembly is arranged in the second matching hole, one of the rotating shafts penetrates through the first matching hole to be rotatably connected with the first wheel edge assembly, and the other of the rotating shafts penetrates through the second matching hole to be rotatably connected with the second wheel edge assembly.
10. An electric forklift, comprising: a vehicle body;
an electric fork lift drive axle assembly as claimed in any one of claims 1 to 9, which is provided on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220272174.3U CN216833218U (en) | 2022-02-10 | 2022-02-10 | Electric fork truck drive axle assembly and electric fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220272174.3U CN216833218U (en) | 2022-02-10 | 2022-02-10 | Electric fork truck drive axle assembly and electric fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833218U true CN216833218U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220272174.3U Active CN216833218U (en) | 2022-02-10 | 2022-02-10 | Electric fork truck drive axle assembly and electric fork truck |
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| Country | Link |
|---|---|
| CN (1) | CN216833218U (en) |
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2022
- 2022-02-10 CN CN202220272174.3U patent/CN216833218U/en active Active
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