CN221067680U

CN221067680U - Electric forklift drive axle and electric forklift

Info

Publication number: CN221067680U
Application number: CN202322936945.1U
Authority: CN
Inventors: 刘旭东; 陈余; 武阳阳
Original assignee: Sany Robot Technology Co Ltd
Current assignee: Sany Robot Technology Co Ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-04
Anticipated expiration: 2033-10-31

Abstract

The utility model relates to the technical field of operation machinery, in particular to an electric forklift drive axle and an electric forklift, wherein the electric forklift drive axle comprises an axle housing, a drive assembly, a hub and a brake assembly, the axle housing comprises a housing body and an ear plate, and the ear plate and the housing body are integrally formed; the driving component is arranged on the shell body; the hub is sleeved outside the shell body, and one end of the hub is connected with the driving component; the brake assembly comprises a brake and a brake hub which are sleeved outside the shell body, the brake is connected with the shell body, one end of the brake hub is rotationally connected with the brake, and the other end of the brake hub is connected with the other end of the hub. According to the utility model, the lug plate is arranged on the shell body and is connected with the frame, so that the axle housing is more stable and firm to install, and the integral installation stability of the drive axle is improved. And with otic placode and shell body integrated into one piece, simplified the part assembly, reduced the cost, simultaneously in the design of components of a whole that can function independently can make the axle housing guarantee holistic structural strength.

Description

Electric forklift drive axle and electric forklift

Technical Field

The utility model relates to the technical field of working machinery, in particular to an electric forklift drive axle and an electric forklift.

Background

Electric fork-lift is a trend of current fork-lift development, and electric fork-lift compares traditional fuel fork-lift structure compacter. In terms of the assembly process of the drive axle, the forklift drive axle and the frame of the traditional structure are connected in a clamp type, and the drive axle and the door frame are installed to be equivalent to a cantilever structure, so that the stability of the whole drive axle is reduced.

Disclosure of utility model

The utility model provides an electric forklift drive axle and an electric forklift, which are used for solving one of the defects in the prior art, improving the overall installation stability of the drive axle, simplifying the assembly of parts, reducing the cost and simultaneously ensuring the overall structural strength of an axle housing by virtue of split design.

The utility model provides an electric forklift drive axle, comprising:

The axle housing comprises a housing body and an ear plate, and the ear plate and the housing body are integrally formed;

the driving assembly is arranged on the shell body;

The hub is sleeved outside the shell body, and one end of the hub is connected with the driving assembly;

The brake assembly comprises a brake and a brake hub, wherein the brake and the brake hub are sleeved outside the shell body, the brake is connected with the shell body, one end of the brake hub is rotationally connected with the brake, and the other end of the brake hub is connected with the other end of the hub.

According to the electric forklift drive axle provided by the utility model, the shell body comprises the first shell part and the second shell part, the first shell part and the second shell part are sequentially arranged along the direction from the hub to the brake assembly, the outer side surface of the first shell part is connected to the outer side surface of the second shell part through the first shaft shoulder extending outwards in the radial direction, the first shell part is positioned at the inner side of the hub, a limiting part and a bearing part are arranged between the hub and the first shell part, the limiting part and the bearing part are sequentially arranged along the direction from the hub to the brake assembly, the limiting part is abutted to the first shaft sleeve, and the bearing part is abutted to the second shaft sleeve.

According to the electric forklift drive axle provided by the utility model, the first oil seal component is filled between the hub and the second shaft sleeve, the second shaft shoulder extending radially inwards is arranged on the inner side of the hub, and the first oil seal component is abutted against the second shaft shoulder.

According to the electric forklift drive axle provided by the utility model, the drive assembly comprises the half shaft, the first shell part is surrounded with the first mounting opening, one end of the half shaft is connected with the hub, the other end of the half shaft sequentially passes through the first shell part and the second shell part through the first mounting opening, and the second oil seal part is filled between the first shell part and the half shaft at the first mounting opening.

According to the electric forklift drive axle provided by the utility model, the second oil seal component is a double-lip oil seal component.

According to the electric forklift drive axle provided by the utility model, the limiting part comprises the first nut, the second nut and the gasket, the outer side face of the first shell part is provided with the threaded part, the first nut and the second nut are both connected with the threaded part, the outer side face of the first shell part is further provided with at least one groove at the threaded part, and the gasket is embedded in the groove and is respectively contacted with the first nut and the second nut.

According to the electric forklift drive axle provided by the utility model, a plurality of grooves are formed, and the grooves are uniformly distributed around the circumference of the first mounting opening.

According to the electric forklift drive axle provided by the utility model, the shell body further comprises a third shell part, the outer side surface of the second shell part is connected to the outer side surface of the third shell part through the third shaft shoulder extending outwards in the radial direction, the brake is abutted against the third shaft shoulder, the third shell part is surrounded with a second mounting opening, the driving assembly further comprises a driver, the driver is arranged at the second mounting opening, and the driver is connected with the part of the half shaft positioned in the shell body so as to drive the half shaft to rotate.

According to the electric forklift drive axle provided by the utility model, the lug plate is fan-shaped, the lug plate is provided with the first mounting hole and the second mounting hole, and the length of the first mounting hole is larger than that of the second mounting hole.

The utility model also provides an electric forklift, which comprises the electric forklift drive axle.

According to the electric forklift drive axle provided by the utility model, the shell body and the lug plate are integrally formed to form the axle housing, and the lug plate is connected with the frame of the electric forklift, so that the whole drive axle is fixed on the frame. And with otic placode and shell body integrated into one piece, simplified the part assembly, reduced the cost, simultaneously in the design of components of a whole that can function independently can make the axle housing guarantee holistic structural strength.

The driving component is arranged on the shell and is connected with the hub sleeved outside the shell, the hub can be connected with the tire of the electric forklift, namely, the driving component can drive the hub to rotate so as to drive the tire to rotate, the whole brake component is sleeved outside the shell, the brake is fixedly connected with the shell, the large-circle flap of the brake hub is fixedly connected with the shell and is fixedly arranged outside the brake, the small-circle opening of the brake hub is connected with the hub, the brake hub can be driven to synchronously rotate while the hub rotates, and when braking is needed, braking is realized through friction between the brake and the brake hub, namely, friction is generated between the brake and the brake hub, the hub and the tire are all decelerated or stopped to rotate.

In the embodiment, the brake assembly and the hub are sleeved on the shell body, so that the drive axle structure is more compact, the brake hub and the hub are arranged in a split mode, adjustment and replacement of the brake assemblies of different types are more convenient, meanwhile, for each of the brake hub and the hub, only damaged parts are required to be replaced when any part is damaged, the other part is not affected, and compared with the design of an integral structure of the brake hub and the hub, the brake hub and the hub are more convenient to assemble, disassemble, maintain and replace, can save cost to the greatest extent, and meet actual application requirements.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an electric forklift drive axle according to an embodiment of the present utility model;

FIG. 2 is a second schematic diagram of a driving axle of an electric forklift according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic structural diagram of a second axle sleeve of an electric forklift drive axle according to an embodiment of the present utility model.

Reference numerals:

100. A bridge housing; 110. a housing body; 111. a first shell portion; 1111. a first shoulder; 1112. a first mounting port; 1113. a groove; 112. a second shell portion; 1121. a third shoulder; 113. a third shell portion; 1131. a second mounting port; 1132. a ventilation plug; 1133. an oil filling plug; 120. ear plates; 121. a first mounting hole; 122. a second mounting hole;

200. a drive assembly; 210. a half shaft; 220. a second oil seal member; 230. a driver; 231. a speed reducer with a large reduction ratio; 232. a permanent magnet synchronous motor;

300. A hub; 310. a limiting member; 311. a first nut; 312. a second nut; 313. a gasket; 320. a bearing member; 330. a first sleeve; 340. a second sleeve; 350. a first oil seal member; 360. a second shoulder;

400. a brake assembly; 410. a brake; 420. a brake hub;

510. A first bolt; 520. a second bolt; 530. a third bolt; 540. and a fourth bolt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 3, the electric forklift drive axle provided by the embodiment of the utility model comprises an axle housing 100, a drive assembly 200, a hub 300 and a brake assembly 400, wherein the axle housing 100 comprises a housing body 110 and an ear plate 120, and the ear plate 120 is integrally formed with the housing body 110; the driving assembly 200 is disposed at the case body 110; hub 300 is sleeved outside shell body 110, and one end of hub 300 is connected with driving assembly 200; brake assembly 400 includes a brake 410 and a brake hub 420 that are sleeved outside of housing body 110, brake 410 is connected with housing body 110, one end of brake hub 420 is rotatably connected with brake 410, and the other end of brake hub 420 is connected with the other end of hub 300.

In the electric forklift drive axle provided by the embodiment of the utility model, the shell body 110 and the lug plate 120 are integrally formed to form the axle housing 100, and the lug plate 120 is connected with the frame of the electric forklift, so that the whole drive axle is fixed on the frame. And the lug plate 120 and the shell body 110 are integrally formed, so that the assembly of parts is simplified, the cost is reduced, and meanwhile, the integral structural strength of the axle housing 100 can be ensured compared with a split design.

The driving assembly 200 is arranged on the shell and is connected with the hub 300 sleeved outside the shell body 110, the hub 300 can be connected with a tire of an electric forklift, namely, the driving assembly 200 can drive the hub 300 to rotate so as to drive the tire to rotate, the whole brake assembly 400 is sleeved outside the shell body 110, the brake 410 is fixedly connected with the shell body 110 and keeps static relative to the shell body 110, a large ring cover of the brake hub 420 is arranged on the outer side of the brake 410, a small ring opening of the brake hub 420 is connected with the hub 300, the brake hub 420 can be driven to synchronously rotate while the hub 300 rotates, and when braking is needed, braking is realized through friction between the brake 410 and the brake hub 420, namely, friction is generated between the brake 410 and the interior of the brake hub 420, and the brake hub 420, the hub 300 and the tire are all decelerated or stopped to rotate.

In this embodiment, the brake assembly 400 and the hub 300 are both sleeved on the shell body 110, so that the driving axle structure is more compact, and the brake hub 420 and the hub 300 are separately arranged, so that the adjustment and replacement of the brake assemblies 400 of different types are more convenient, meanwhile, for each of the brake hub 420 and the hub 300, only the damaged part needs to be replaced when any part is damaged, and the other part is not affected.

In this embodiment, the ear plate 120 and the housing body 110 may be integrally formed by casting, or may be integrally connected by welding or the like. Hub 300 and brake hub 420 are fastened together by first bolts 510, and hub 300 and the tire are fastened together by second bolts 520.

According to an embodiment of the present utility model, the housing body 110 includes a first housing part 111 and a second housing part 112, the first housing part 111 and the second housing part 112 are sequentially disposed along a direction from the hub 300 to the brake assembly 400, an outer side surface of the first housing part 111 is connected to an outer side surface of the second housing part 112 through a first shoulder 1111 extending radially outwards, the first housing part 111 is located at an inner side of the hub 300, a limiting member 310 and a bearing member 320 are disposed between the hub 300 and the first housing part 111, the limiting member 310 and the bearing member 320 are sequentially disposed along a direction from the hub 300 to the brake assembly 400, a first shaft sleeve 330 is abutted between the limiting member 310 and the bearing member 320, and a second shaft sleeve 340 is abutted between the bearing member 320 and the first shoulder 1111.

In this embodiment, a cavity is disposed inside the shell body 110, the shell body 110 forms a tubular structure with gradually decreasing inner diameters from the middle to the two ends in the axial direction, the shell body 110 is of a symmetrical structure, i.e. the first shell portion 111 and the second shell portion 112 are disposed opposite to each other, and the second shell portion 112 is closer to the middle of the shell body 110 than the first shell portion 111, so that the first shell portion 111 is in transitional connection with the second shell portion 112 through an enlarged first shaft shoulder 1111. The hub 300 is sleeved outside the first shell 111, and since the hub 300 is driven by the driving assembly 200 to rotate around the first shell 111, a bearing member 320 is disposed between the outer side surface of the first shell 111 and the inner side surface of the hub 300, so as to limit the range of movement of the bearing member 320 along the axial direction of the first shell 111, a limiting member 310 is sleeved outside the first shell 111, the limiting member 310 is fixedly connected with the first shell 111, and the bearing member 320 is disposed between the first shoulder 1111 and the limiting member 310.

As shown in fig. 4, to ensure the suitability of the installation of the bearing member 320, the first shaft sleeve 330 and the second shaft sleeve 340 are respectively disposed at two ends of the bearing member 320, one end surface of the first shaft sleeve 330 abuts against the bearing member 320, the other end surface abuts against the limiting member 310, one end surface of the second shaft sleeve 340 abuts against the bearing member 320, the other end surface abuts against the first shaft shoulder 1111, and besides the friction generated by the direct contact of the second shaft shoulder 360, the bearing member 320 and the limiting member 310, the limit installation between the first shell portion 111, the limiting member 310 and the bearing member 320 with different lengths or types can be further adapted by changing the length types of the first shaft sleeve 330 and the second shaft sleeve 340.

In this embodiment, the bearing member 320 may be two tapered roller bearings, and in other embodiments, the bearing member 320 may be selectively replaced according to actual working requirements.

It is to be understood that in the present embodiment, the radial direction refers to the radial direction as the cross section of the first tube portion in the shape of a circular tube.

According to one embodiment of the present utility model, a first oil seal member 350 is filled between the hub 300 and the second sleeve 340, and a second shoulder 360 extending radially inwards is provided on the inner side of the hub 300, and the first oil seal member 350 abuts against the second shoulder 360. In this embodiment, an annular gap with a certain width and length is formed between the second sleeve 340 and the hub 300, the annular gap is filled with the first oil seal member 350, and meanwhile, the inner side surface of the hub 300 extends radially inwards to form the second shoulder 360, and the second shoulder 360 serves as a limiting structure of the first oil seal member 350 to prevent the first oil seal member 350 from moving in the axial direction along the first shell portion 111.

The first oil seal member 350 serves as an oil seal of the hub 300 to divide an outer space corresponding to the first shell portion 111 and the second shell portion 112, that is, to separate an inner space corresponding to the brake assembly 400 and the hub 300, so as to ensure that parts and environments of the two spaces are isolated from each other, and to prevent a lubricant, such as grease, etc., for the operation of the bearing member 320 in the hub 300 from entering the brake assembly 400.

In this embodiment, the roughness of the surface of the second sleeve 340 contacting the first oil seal member 350 is 0.8, so that the second sleeve can cooperate with the first oil seal member 350 to achieve a better sealing effect.

It is understood that in the present embodiment, the hub 300 has a circular ring shape, and the radial direction refers to the radial direction of the cross section of the hub 300.

According to one embodiment of the present utility model, the driving assembly 200 includes a half shaft 210, a first mounting opening 1112 is defined by the first housing portion 111, one end of the half shaft 210 is connected to the hub 300, and the other end sequentially passes through the first housing portion 111 and the second housing portion 112 through the first mounting opening 1112, and a second oil seal member 220 is filled between the first housing portion 111 and the half shaft 210 at the first mounting opening 1112.

In this embodiment, the first shell portion 111 is formed as an end portion of the shell body 110, a first mounting opening 1112 is formed at an end surface in an axial direction thereof, the half shaft 210 is inserted into the shell body 110 through the first mounting opening 1112, one end of the half shaft 210 is connected to the hub 300 outside the shell body 110 through the first shell portion 111 and the second shell portion 112, and the other end is located inside the shell body 110. A gap is formed between the outer side surface of the first shell portion 111 adjacent to the first mounting opening 1112 and the outer side surface of the half shaft 210, and the second oil seal member 220 is filled in the gap, and the second oil seal member 220 serves as an oil seal for the half shaft 210, so that the lubricant, such as lubricating oil, injected into the cavity of the shell body 110 can be sealed inside the shell body 110 to prevent the lubricant from flowing out.

Moreover, in the present embodiment, the first shell 111, the second oil seal member 220, the half shaft 210, the hub 300 and the first oil seal member 350 together enclose a space where the bearing member 320 and the limiting member 310 are located, so that the second oil seal member 220 can also ensure that the lubricant in the space does not enter the shell body 110, that is, the first oil seal member 350 and the second oil seal member 220 cooperate to ensure that the lubricant in the space does not flow out.

In this embodiment, half shaft 210 is fastened to hub 300 by a third bolt 530.

According to one embodiment of the present utility model, the second oil seal member 220 is a double lip oil seal member. In this embodiment, the second oil seal component 220 may be a double lip oil seal component, which may not affect the rotation of the half shaft 210, and may also provide reliable seal protection, prolong the service life of the device, reduce maintenance cost, and improve working efficiency.

According to an embodiment of the present utility model, the limiting member 310 includes a first nut 311, a second nut 312 and a spacer 313, the outer side surface of the first shell portion 111 is provided with a threaded portion, the first nut 311 and the second nut 312 are both connected with the threaded portion, the outer side surface of the first shell portion 111 is further provided with at least one groove 1113 at the threaded portion, and the spacer 313 is embedded in the groove 1113 and is respectively contacted with the first nut 311 and the second nut 312.

In this embodiment, the first nut 311 and the second nut 312 are screwed on the threaded portion on the outer side of the first shell portion 111 in parallel, meanwhile, at the position corresponding to the first nut 311 and the second nut 312, the first shell portion 111 is further provided with a groove 1113, the gasket 313 is embedded into the groove 1113, and the surfaces of the gasket 313 are in contact with the inner sides of the first nut 311 and the second nut 312, so that the first nut 311 and the second nut 312 can be effectively prevented from loosening and falling off due to loose screwing on the first shell portion 111.

In this embodiment, the first nut 311 and the second nut 312 are round nuts, so as to avoid affecting the rotation of the bearing member 320. In other embodiments, the limiting member 310 may take other arrangements, such as a single nut structure or a structure that is snapped with the first housing portion 111.

According to one embodiment of the present utility model, the plurality of grooves 1113 is provided, and the plurality of grooves 1113 are uniformly distributed around the circumference of the first mounting port 1112. In this embodiment, the plurality of grooves 1113 are uniformly distributed in the circumferential direction of the threaded portion, further increasing the degree of firmness of the connection of the first nut 311 and the second nut 312 with the first shell portion 111.

According to an embodiment of the present utility model, the housing body 110 further includes a third housing portion 113, an outer side surface of the second housing portion 112 is connected to an outer side surface of the third housing portion 113 through a third axial shoulder 1121 extending radially outward, the brake 410 abuts against the third axial shoulder 1121, the third housing portion 113 encloses a second mounting opening 1131, the driving assembly 200 further includes a driver 230, the driver 230 is disposed in the second mounting opening 1131, and the driver 230 is connected to a portion of the axle shaft 210 located inside the housing body 110 to drive the axle shaft 210 to rotate.

In this embodiment, the middle portion of the shell body 110 is the third shell portion 113, so that the second shell portion 112 is also in transitional connection with the third shell portion 113 through the radially enlarged third axial shoulder 1121. Brake 410 is then abutted against third shoulder 1121 and fixed to third shoulder 1121, whereby brake assembly 400 and hub 300 are integrally mounted on the side of third shoulder 1121 remote from the middle of case body 110. The third shell portion 113 is provided with a first mounting opening 1112, the driver 230 of the driving assembly 200 is arranged at the first mounting opening 1112, the driver enters the shell body 110 through the first mounting opening 1112, the end portion of the half shaft 210 passes through the first shell portion 111 and the second shell portion 112 and then enters the third shell portion 113, the driver 230 is connected with the driver 230 in the third shell portion 113, and the driver 230 drives the half shaft 210 to rotate so as to transmit torque to the hub 300 to drive the hub 300 to rotate.

In this embodiment, the driver 230 may adopt a large speed reducer and a permanent magnet synchronous motor 232, and the housing of the speed reducer is fixedly installed at the second installation port 1131, the half shaft 210 is connected with the large speed reducer through a spline, and the power of the permanent magnet synchronous motor 232 is transmitted to the half shaft 210 through the large speed reducer 231. The third housing portion 113 is further provided with a ventilation plug 1132 and an oil filling plug 1133, the ventilation plug 1132 being for releasing the pressure in the cavity of the housing body 110, and the oil filling plug 1133 being for filling the lubricant into the cavity of the housing body 110. The brake 410 is fastened to the third housing portion 113 by a fourth bolt 540.

It is to be understood that in the present embodiment, the radial direction refers to the radial direction of the cross section of the second tube portion as a circular tube shape.

According to an embodiment of the present utility model, the ear plate 120 is in a fan shape, and the ear plate 120 is provided with a first mounting hole 121 and a second mounting hole 122, and the length of the first mounting hole 121 is greater than the length of the second mounting hole 122. In this embodiment, the ear plate 120 is designed as a fan-shaped plate, which can reduce the cost and reduce the manufacturing procedure, and the fan-shaped ear plate 120 is designed with a mounting hole, so that the fan-shaped ear plate 120 can be assembled with a vehicle frame conveniently, the weight of the fan-shaped ear plate 120 can balance the whole axle housing 100, the first mounting hole 121 is suitable for connecting bolts to connect the axle housing 100 with the vehicle frame, thereby fixing the whole drive axle on the vehicle frame, the second mounting hole 122 is a brake wire passing hole, and mainly a cable of a brake is passed through the second mounting hole 122 and can serve as a hanging point of the axle housing 100.

The electric forklift provided by the utility model is described below, and the electric forklift described below and the electric forklift drive axle described above can be correspondingly referred to each other.

The embodiment of the utility model also provides an electric forklift, which comprises the electric forklift drive axle of the embodiment.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An electric forklift drive axle, comprising:

the driving assembly is arranged on the shell body;

2. The electric forklift drive axle according to claim 1, wherein the shell body comprises a first shell portion and a second shell portion, the first shell portion and the second shell portion are sequentially arranged along the direction from the hub to the brake assembly, the outer side surface of the first shell portion is connected to the outer side surface of the second shell portion through a first shaft shoulder extending radially outwards, the first shell portion is located on the inner side of the hub, a limiting component and a bearing component are arranged between the hub and the first shell portion, the limiting component and the bearing component are sequentially arranged along the direction from the hub to the brake assembly, the limiting component is in butt joint with a first shaft sleeve between the bearing component, and the bearing component is in butt joint with a second shaft sleeve between the first shaft shoulder.

3. The electric fork truck transaxle of claim 2, wherein a first oil seal member is filled between the hub and the second bushing, and a second shoulder extending radially inward is provided on an inner side of the hub, the first oil seal member abutting the second shoulder.

4. The electric fork truck transaxle of claim 2, wherein the drive assembly includes a half shaft, the first shell portion encloses a first mounting opening, one end of the half shaft is connected to the hub, the other end of the half shaft sequentially passes through the first shell portion and the second shell portion through the first mounting opening, and a second oil seal member is filled between the first shell portion and the half shaft at the first mounting opening.

5. The electric fork truck transaxle of claim 4 wherein the second oil seal member is a double lip oil seal member.

6. The electric forklift drive axle of claim 4, wherein said limiting member comprises a first nut, a second nut and a spacer, the outer side surface of said first shell portion is provided with a threaded portion, said first nut and said second nut are both connected with said threaded portion, the outer side surface of said first shell portion is further provided with at least one groove at said threaded portion, and said spacer is embedded in said groove and contacts said first nut and said second nut, respectively.

7. The electric fork truck transaxle of claim 6 wherein the plurality of grooves is evenly distributed around the circumference of the first mounting port.

8. The electric fork truck transaxle of claim 4 wherein the housing body further comprises a third housing portion, an outer side of the second housing portion is connected to an outer side of the third housing portion by a third shoulder extending radially outwardly, the brake is in abutment with the third shoulder, the third housing portion encloses a second mounting opening, and the drive assembly further comprises a driver disposed in the second mounting opening, the driver being connected to a portion of the axle shaft located inside the housing body for driving the axle shaft to rotate.

9. The electric fork truck transaxle of claim 1 wherein the ear plate is fan shaped in shape and is provided with a first mounting hole and a second mounting hole, the first mounting hole having a length greater than the second mounting hole.

10. An electric forklift truck comprising an electric forklift truck drive axle as claimed in any one of claims 1 to 9.