CN205395768U - Hydraulic 4 wheel driven forklift - Google Patents
Hydraulic 4 wheel driven forklift Download PDFInfo
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- CN205395768U CN205395768U CN201620164756.4U CN201620164756U CN205395768U CN 205395768 U CN205395768 U CN 205395768U CN 201620164756 U CN201620164756 U CN 201620164756U CN 205395768 U CN205395768 U CN 205395768U
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Abstract
The utility model relates to a forklift discloses a hydraulic 4 wheel driven forklift, and it includes pontic assembly (1), and the pontic assembly includes front axle body assembly and back pontic assembly, all installs on front axle body assembly, the back pontic assembly main reducer (2), and main reducer (2) subtract including preceding owner and subtract with the back is main, and pontic assembly both sides are equipped with left and right semi -axis assembly (41, 42) be connected with left and right wheel hub (31, 32) respectively, its characterized in that: still including before the area, rear output shaft's the power gearbox of shifting, power shift the gearbox through preceding, rear output shaft subtracts with preceding owner respectively and main the subtracting in back is connected, preceding owner subtracts and all installs differential lock (5) with the back is main in subtracting, differential lock (5) is connected with left and right semi -axis assembly (41, 42) through the spline. The utility model discloses traction force during low -speed is big, and is fast with higher speed to the transmission moment of torsion is big, the ability of getting rid of poverty reinforce, can realize moment of torsion, rotational speed independent assortment simultaneously, and the transmission moment of torsion is big, the locking stable performance.
Description
Technical field
This utility model relates to a kind of All-terrain Forklift, has particularly related to a kind of fluid power 4 wheel driven All-terrain Forklift.
Background technology
The overall structure of current domestic cross-country type fork truck and performance are all retrofit to form on the basis of common counterbalanced lift truck, front-wheel drive, rear-axle steering, the speed relatively end, climbable gradient is little, and rigid suspension, cross-country ability are poor, it is difficult to meet operation under the cross-country condition of bad environments.
Utility model content
This utility model is difficult to meet under the cross-country condition of bad environments the problem of operation for All-terrain Forklift of the prior art, it is provided that a kind of fluid power 4 wheel driven All-terrain Forklift.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
Fluid power 4 wheel driven All-terrain Forklift, including pontic assembly, pontic assembly includes front pontic assembly and rear pontic assembly, lead before front pontic assembly, rear pontic assembly are separately installed with to subtract and lead afterwards and subtract, pontic assembly is respectively provided on two sides with the left and right half assembly being connected with left and right wheel hub, also including the dynamic power shift gear box with forward and backward output shaft, dynamic power shift gear box is subtracted with front master respectively by forward and backward output shaft and rear master subtracts and is connected.Pull strength during low speed is big, accelerates fast, can automatic speed regulation, do not need study of Confucian classics gear shift, easy to operate, electromotor not easily to stop working, thus being substantially reduced the labor intensity of driver.
Front master subtract subtract with rear master in be mounted on differential lock, differential lock is connected with left and right half assembly by spline.By being provided with differential lock in main reducing gear, realizing moment of torsion, rotating speed independent assortment, transmission moment of torsion is big, and Locking property is stable.
As preferably, left and right half assembly end is connected to wheel hem retarding mechanism each through spline, and wheel hem retarding mechanism and wheel hub are bolted, and are provided with tire outside wheel hub.Rim decelerating mechanism can reduce dynamic power shift gear box speed ratio, make the torque that dynamic power shift gear box transmits little, reduce centre-to-centre spacing and volume, complete machine is facilitated to arrange, increased by hub reduction reduction of speed simultaneously and turn round, to make wheel under the retroaction of traction, produce bigger driving force, thus decreasing the stress of above each part.
As preferably, also including the door frame being hinged on front pontic assembly, the outer width of door frame is 800mm-1000mm.
As preferably, differential lock includes left differential lock housing, right differential lock housing and the cross axle being fixed between left differential lock housing and right differential lock housing, cross axle is provided with planetary gear, cross axle be respectively provided on two sides with the left and right half gear being connected with left and right half assembly and engaging with planetary gear, left differential lock housing is provided with the spiral bevel gear engaged with output shaft in main reducing gear, between left half axle gear and left differential lock housing and between right axle shaft gear and right differential lock housing, is equipped with friction plate group.
As preferably, friction plate group includes spring steel plate, static friction sheet and movable friction plate, and static friction sheet outline is evenly distributed with four external ears, is equipped with the external ear groove for coordinating with external ear on static friction sheet in left differential lock housing, right differential lock housing；The spring steel plate of left and right half gear both sides, movable friction plate are connected with the external splines on left and right half gear respectively.
As preferably, the quantity of the spring steel plate of cross axle both sides, static friction sheet and movable friction plate is equal respectively, and the quantity of static friction sheet and movable friction plate is all higher than one.
As preferably, spiral bevel gear is arranged in left differential lock housing with difference shell locking plate by differing from shell bolt, and is fixed by difference shell bolt, difference shell locking plate between left differential lock housing and right differential lock housing.
This utility model, owing to have employed above technical scheme, has significant technique effect:
This utility model adopts the dynamic power shift gear box with front and back output shaft, make pull strength during low speed big, accelerate fast, and adopt reinforced forward and backward pontic assembly, moment of torsion is big, the ability of getting rid of poverty is greatly reinforced to make it transmit, and interior arranges differential lock main subtracting simultaneously, can realize moment of torsion, rotating speed independent assortment, transmission moment of torsion is big, and Locking property is stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of rear pontic assembly in this utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of differential lock in Fig. 1.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1 pontic assembly, 2 main reducing gears, 5 differential locks, 6 wheel hem retarding mechanisms, 31 left wheel hubs, 32 right wheel hubs, 41 left half axle assemblies, 42 right axle shaft assemblies, 50 left differential lock housings, 51 right differential lock housings, 52 cross axles, 53 planetary gears, 54 left half axle gears, 55 right axle shaft gears, 56 spiral bevel gears, 57 spring steel plates, 58 static friction sheets, 59 movable friction plates, 501 difference shell bolts, 502 difference shell locking plates.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, this utility model is described in further detail.
Embodiment 1
Fluid power 4 wheel driven All-terrain Forklift, such as Fig. 1, shown in Fig. 2, including pontic assembly 1, pontic assembly includes front pontic assembly and rear pontic assembly, front pontic assembly, rear pontic assembly is separately installed with front main subtracting subtract with rear master, pontic assembly 1 is respectively provided on two sides with and a left side, right wheel hub 31, 32 left sides connected, right axle shaft assembly 41, 42, before also including band, the dynamic power shift gear box of rear output shaft, dynamic power shift gear box is by front, rear output shaft subtracts with front master respectively and rear master subtracts and is connected, front master subtract subtract with rear master in be mounted on differential lock 5, differential lock 5 is by spline and a left side, right axle shaft assembly 41, 42 connect.
Wherein, as shown in Figure 3, differential lock 5 includes left differential lock housing 50, right differential lock housing 51 and the cross axle 52 being fixed between left differential lock housing 50 and right differential lock housing 51, four axles up and down of cross axle 52 are equipped with planetary gear 53, planetary gear 53 is provided with spheric washer, the inner surface at the back side of planetary gear 53 and differential lock housing relevant position is all made sphere by the present embodiment, so can increase planetary gear 53 axis hole length, be conducive to being properly engaged with two axle shaft gears.Cross axle 52 be respectively provided on two sides with the left and right half gear 54,55 being connected with left and right half assembly 41,42 and engaging with planetary gear 53, left differential lock housing 50 is provided with the spiral bevel gear 56 engaged with output shaft in main reducing gear 2.Spiral bevel gear 56 is arranged in left differential lock housing 50 with difference shell locking plate 502 by difference shell bolt 501, and is fixed by difference shell bolt 501, difference shell locking plate 502 between left differential lock housing 50 and right differential lock housing 51.
It is equipped with friction plate group between left half axle gear 54 and left differential lock housing 50 and between right axle shaft gear 55 and right differential lock housing 51.Friction plate group includes spring steel plate 57, static friction sheet 58 and movable friction plate 59, and static friction sheet 58 outline is evenly distributed with four external ears, is equipped with the external ear groove for coordinating with external ear on static friction sheet 58 in left differential lock housing 50, right differential lock housing 51；The spring steel plate 57 of left and right half gear 54,55 both sides, movable friction plate 59 are connected with the external splines on left and right half gear 54,55 respectively.
The quantity of the spring steel plate 57 of cross axle 52 both sides, static friction sheet 58 and movable friction plate 59 is equal respectively, the total quantity of static friction sheet 58 and movable friction plate 59 respectively 8 and 6, spring steel plate 57 is two, and spring steel plate 57, static friction sheet 58 and the equal equivalent of movable friction plate 59 are distributed in left and right half gear 54,55 back side.
On the one hand, configuring the forward and backward output shaft of dynamic power shift gear box band in the present embodiment, dynamic power shift gear box has one backward gear of two drive shifts；The overlapping interval of 1 grade and 2 grades of advancing is big, can automatic speed regulation, do not need frequent gear shift, easy to operate, electromotor not easily to stop working, thus being substantially reduced the labor intensity of driver；Export before and after dynamic power shift gear box band, it may be achieved four, two drive handoff functionality, stable performance, and cross-country ability is excellent；For different operating modes, user can drive pattern from main separation four, two；On smooth road is flat, switch to two patterns of driving can Energy Saving, in the wild or may be switched to 4 wheel driven during road operation, improve grade climbing performance.
Before being connected on the forward and backward output shaft of dynamic power shift gear box, main subtracting subtracts with rear master simultaneously, so that the torque of dynamic power shift gear box transmission is little, reduces centre-to-centre spacing and volume, facilitates complete machine to arrange.Meanwhile, subtracting front master and subtract built-in slide limiting differential lock 5 with rear master, can realize moment of torsion, rotating speed independent assortment, transmission moment of torsion is big, and Locking property is stable.
On the other hand, the present embodiment middle left and right half axle assembly 41,42 end is connected to wheel hem retarding mechanism 6 each through spline, and wheel hem retarding mechanism 6 is bolted with left and right wheel hub 31,32 respectively, is provided with tire outside wheel hub.Wheel hem retarding mechanism 6 is hub reduction gear, and its speed ratio is: 6.0000, can reduce dynamic power shift gear box speed ratio, makes the torque that dynamic power shift gear box transmits little, reduces centre-to-centre spacing and volume, facilitates complete machine to arrange.
Also including the door frame being hinged on front pontic assembly, the outer width of door frame is 800mm-1000mm, not only visual field width, and intensity, rigidity are also very reliable.
Detailed process is: before dynamic power shift gear box, output flange is main before rotating speed and torque being delivered to by front output shaft subtracts, after dynamic power shift gear box, output flange is main after rotating speed and torque being delivered to by rear output shaft subtracts, respectively forwardly main subtracting subtracts transmission rotating speed and moment of torsion with rear master, two dynamic power shift gear boxes when driving are main before rotating speed and torque being all delivered to be subtracted, after front master subtracts reduction of speed increasing torsion, before being delivered to, master subtracts interior differential lock 5, when plane is kept straight on by spline with identical rotating speed, the moment of torsion of 1/2nd times passes to a left side for rear steering drive axle, right axle shaft assembly 41, 42；When turning or skidding when single wheel, differential lock 5 is opened, and transfers power to, on non-slip wheel, make fork truck extricate oneself from a predicament with 100% efficiency.Left and right half assembly 41,42 transfers power to wheel hem retarding mechanism 6, and front master is subtracted after the rotating speed of transmission and moment of torsion increase with 6 multiplying factor reductions of speed and turn round by wheel hem retarding mechanism 6, passes to wheel.To make wheel under the retroaction of traction, produce bigger driving force, thus decreasing the stress of above each part.
During 4 wheel driven, dynamic power shift gear box is main before 46.4% rotating speed and torque being delivered to subtracts, before when keeping straight on level road, the main reduction of speed that subtracts increases to turn round equal rotating speed and torque is delivered to left and right half assembly 41,42, it is delivered to left and right front-wheel through wheel hem retarding mechanism 6, dynamic power shift gear box subtracts main after power transmission shaft transfer case is delivered to 53.6% rotating speed and torque, after when keeping straight on level road, the main reduction of speed that subtracts increases to turn round equal rotating speed and torque is delivered to left and right half assembly 41,42, is delivered to left and right trailing wheel through wheel hem retarding mechanism 6.
This utility model is imparting power to two and half axle assemblies at the normal time difference speed lock 5 that travels, and make it possible to rotate at different rates, ensure to do pure rolling in a circumferential direction between wheel and ground, friction plate is compressed by the axle shaft gear that rotating speed is fast when single wheel skids, it is made to produce bigger stiction, make its side of skidding produce locking, input torque is applied on non-slip wheel, makes fork truck extricate oneself from a predicament.
In the present embodiment, main subtracting is provided with differential lock 5 in device 1, before when keeping straight in normal conditions, main subtracting subtracts interior output shaft with rear master by meshing transmission, torque and rotating speed is delivered to spiral bevel gear 56, spiral bevel gear 56 drives differential lock 5 to rotate, so that cross axle 52 rotates together with left differential lock housing 50 planetary gear 53 stir both sides axle shaft gear rotate, the axle shaft gear at two ends is promoted to both sides, and with spring steel plate 57, static friction sheet 78, movable friction plate 59 compresses, two-semiaxle assembly is without speed discrepancy, the torque passing to left differential lock housing 50 and right differential lock housing 51 is made to be evenly distributed to a left side, right axle shaft gear 54, on 55.
A left side when fork truck is turned or single wheel skids, right axle shaft gear 54, 55 produce speed discrepancy, now the rotating speed n of left differential lock housing and right differential lock housing is with left, right axle shaft tooth 54, the rotating speed n1 of 55, n2 is different, as n1 > n2, the i.e. rotation speed relation of n1 > n > n2, at this moment right axle shaft gear 55 moves right, by spring steel plate 57, static friction sheet 58, movable friction plate 59 compresses to the right right differential lock housing 51, now the driving moment of right wheel is more than the fast driving moment turned, which enhance the anti-skidding ability of getting rid of poverty.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations made according to this utility model claim change and modify, and all should belong to the covering scope of this utility model patent.
Claims (6)
1. fluid power 4 wheel driven All-terrain Forklift, including pontic assembly (1), pontic assembly includes front pontic assembly and rear pontic assembly, front pontic assembly, rear pontic assembly is mounted on main reducing gear (2), main reducing gear (2) includes front main subtracting and subtracts with rear master, pontic assembly is respectively provided on two sides with and a left side, right wheel hub (31, 32) left side connected, right axle shaft assembly (41, 42), it is characterized in that: before also including band, the dynamic power shift gear box of rear output shaft, dynamic power shift gear box is by front, rear output shaft subtracts with front master respectively and rear master subtracts and is connected, front master subtract subtract with rear master in be mounted on differential lock (5), differential lock (5) is by spline and a left side, right axle shaft assembly (41, 42) connect.
2. fluid power 4 wheel driven All-terrain Forklift according to claim 1, it is characterized in that: left and right half assembly (41,42) end is connected to wheel hem retarding mechanism (6) each through spline, wheel hem retarding mechanism (6) and wheel hub are bolted, and are provided with tire outside wheel hub.
3. fluid power 4 wheel driven All-terrain Forklift according to claim 1, it is characterized in that: differential lock (5) includes left differential lock housing (50), right differential lock housing (51) and the cross axle (52) being fixed between left differential lock housing (50) and right differential lock housing (51), cross axle (52) is provided with planetary gear (53), being respectively provided on two sides with and a left side of cross axle (52), right axle shaft assembly (41, 42) connect and the left side engaged with planetary gear (53), right axle shaft gear (54, 55), left differential lock housing (50) is provided with the spiral bevel gear (56) engaged with main reducing gear (2) interior output shaft, it is equipped with friction plate group between left half axle gear (54) and left differential lock housing (50) and between right axle shaft gear (55) and right differential lock housing (51).
4. fluid power 4 wheel driven All-terrain Forklift according to claim 3, it is characterized in that: friction plate group includes spring steel plate (57), static friction sheet (58) and movable friction plate (59), static friction sheet (58) outline is evenly distributed with four external ears, in left differential lock housing (50), right differential lock housing (51), is equipped with the external ear groove for coordinating with the upper external ear of static friction sheet (58)；The spring steel plate (57) of left and right half gear (54,55) both sides, movable friction plate (59) are connected with the external splines on left and right half gear (54,55) respectively.
5. fluid power 4 wheel driven All-terrain Forklift according to claim 4, it is characterized in that: the quantity of the spring steel plate (57) of cross axle (52) both sides, static friction sheet (58) and movable friction plate (59) is equal respectively, and the quantity of static friction sheet (58) and movable friction plate (59) is all higher than one.
6. fluid power 4 wheel driven All-terrain Forklift according to claim 3, it is characterized in that: spiral bevel gear (56) is arranged on left differential lock housing (50) with difference shell locking plate (502) by difference shell bolt (501), and fixed by difference shell bolt (501), difference shell locking plate (502) between left differential lock housing (50) and right differential lock housing (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164756.4U CN205395768U (en) | 2016-03-03 | 2016-03-03 | Hydraulic 4 wheel driven forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164756.4U CN205395768U (en) | 2016-03-03 | 2016-03-03 | Hydraulic 4 wheel driven forklift |
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| Publication Number | Publication Date |
|---|---|
| CN205395768U true CN205395768U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620164756.4U Active CN205395768U (en) | 2016-03-03 | 2016-03-03 | Hydraulic 4 wheel driven forklift |
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| Country | Link |
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| CN (1) | CN205395768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584960A (en) * | 2016-03-03 | 2016-05-18 | 浙江美科斯叉车有限公司 | Hydraulic four-wheel-drive cross-country forklift |
| CN109795317A (en) * | 2019-02-15 | 2019-05-24 | 徐州徐工矿业机械有限公司 | A kind of driving force distribution device and control method |
-
2016
- 2016-03-03 CN CN201620164756.4U patent/CN205395768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584960A (en) * | 2016-03-03 | 2016-05-18 | 浙江美科斯叉车有限公司 | Hydraulic four-wheel-drive cross-country forklift |
| CN109795317A (en) * | 2019-02-15 | 2019-05-24 | 徐州徐工矿业机械有限公司 | A kind of driving force distribution device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311407 Chiang Ka village, Lushan street, Fuyang District, Hangzhou, Zhejiang Patentee after: Haist Mei Kos forklift truck (Zhejiang) Co., Ltd. Address before: 311407 Chiang Ka village, Lushan street, Fuyang District, Hangzhou, Zhejiang Patentee before: Zhejiang Maximal Forklift Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |