CN201825697U - Forklift fluid power gearshift gearbox - Google Patents

Forklift fluid power gearshift gearbox Download PDF

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Publication number
CN201825697U
CN201825697U CN2010202779775U CN201020277977U CN201825697U CN 201825697 U CN201825697 U CN 201825697U CN 2010202779775 U CN2010202779775 U CN 2010202779775U CN 201020277977 U CN201020277977 U CN 201020277977U CN 201825697 U CN201825697 U CN 201825697U
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CN
China
Prior art keywords
gear
assembly
oil pump
fluid power
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010202779775U
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Chinese (zh)
Inventor
林溪文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tailift Machinery and Equipment Qingdao Co Ltd
Original Assignee
Tailift Machinery and Equipment Qingdao Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tailift Machinery and Equipment Qingdao Co Ltd filed Critical Tailift Machinery and Equipment Qingdao Co Ltd
Priority to CN2010202779775U priority Critical patent/CN201825697U/en
Application granted granted Critical
Publication of CN201825697U publication Critical patent/CN201825697U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a gearbox, especially a forklift gearbox. A forklift fluid power gearshift transmission provided in the utility model comprises a torque-converter component (1), an oil pump component (2), a control valve component (4), a transmission component (3), and a main speed reducer component (5). The torque-converter component (1), the oil pump component (2), the control valve component (4) and the main speed reducer component (5) are respectively connected with the transmission component (3). The utility model adopts the fluid power to control the gear shift, thereby the stepless speed variation can be realized. By setting the proper transmission ratio, the main speed reducer uses the first stage speed reduction and the gear box body with large structural strength, thereby the forklift has large tractive force at low speed, and relatively high driving speed at high speed. The gear shift adopts the independent fluid power control valve, thereby the control is more easy, convenient, and comfortable, the labor intensity of workers can be reduced, the performance and the working efficiency of the forklift can be improved.

Description

Fork truck fluid power manual transmission
Technical field
The utility model relates to a kind of change speed gear box, relates in particular to a kind of fork truck change speed gear box.
Background technology
In the prior art, most clutch operations adopts the drag link mechanism of machinery, and clutch pedal power is big, fatiguability during driver's operation.The used change speed gear box of present domestic fork truck has two kinds of mechanical changeover and fluid power gearshifts, and fluid power most main reduction gears of shifting gears are that double reduction and structure are complicated, and axial dimension is relatively large, is unfavorable for maintenance and car load layout.The mechanical changeover change speed gear box, handling comfort is poor, and with mechanical vibration and shift impact, has influence on the handling of fork truck.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of fork truck fluid power manual transmission is provided, and it can realize the alerting ability that fork truck is controlled.
For achieving the above object, the utility model adopts following technical scheme: it comprises tor-con assembly, oil pump assembly, control cock assembly, transmission assembly, also comprise the main reduction gear assembly, tor-con assembly, oil pump assembly, control cock assembly, main reduction gear assembly are connected with transmission assembly respectively.
Change speed gear box of the present utility model has the stepless change of moving forward and backward, and variable block is handled control cock can be divided into electromagnetic control and mechanical control realization fluid power variable block, and main reduction gear adopts one-level to slow down, and is intended to improve handling comfort, alleviates labor intensity of operating personnel; Suitably dwindle the axial dimension of change speed gear box, be beneficial to car load and arrange, so realize fork truck control light, flexible, the purpose that starts and operate steadily.Turbine transformer makes this hydraulic transmission gearbox have the automatic comformability of hydraulic transmission output, its output torque and rotating speed can be changed along with the variation of outer load accordingly, and the impact shock of outer load can be absorbed and eliminate bringing in the driving system from driving engine.
The main reduction gear assembly comprises initiatively spiral bevel, and initiatively spiral bevel connects center cross, and center cross, differential gear, axle side gear is coaxial and all be arranged in the differential gear box, and differential gear connects driven spiral bevel.
Transmission assembly comprises input shaft, the input shaft end is provided with the input shaft end cover, be provided with rotating seal ring between input shaft and the input shaft end cover, the input shaft outside sets gradually gear I, internal friction sheet, outside friction disc, clutch plunger, gear II, and the clutch plunger ring is set on the clutch plunger; Gear II and output gear engagement, output gear and idler shaft engagement, idler shaft and idle gear are coupling; Idle gear, idler shaft, output gear all are arranged in the gearbox body.The clutch plunger ring is an alloy iron castings.
The tor-con assembly comprises interconnective turbine transformer, flex plate, and turbine transformer, flex plate all are arranged in the tor-con casing.The oil pump assembly comprises oil pump body, and self lubricating bearing, oil pump inner gear, oil pump external gear, oil pump wheel are set respectively on the oil pump body, and oil pump body, self lubricating bearing, oil pump inner gear, oil pump external gear, oil pump wheel all are arranged in the tor-con casing.
The control cock assembly comprises control valve assembly, gear shift cover, and control valve assembly is arranged on the upper end of gear shift cover, and gear shift cover is connected with gearbox body by packing seal.Control valve assembly adopts mechanical control and electromagnetic control dual mode.The gearshift mode that adopts is the solenoid control power shifting, adopts automatic speed changing, starts steadily, has alleviated operator's labour intensity greatly.
Principle of work: engine drive turbine transformer, turbine transformer is passed to transmission assembly by turbo-shaft with a part of moment of torsion, transmission assembly drives the work of main reduction gear assembly through gearshift, speed change, and connects outputting power by axle side gear in the main reduction gear assembly and center cross.Turbine transformer and input shaft fuse, and turbine transformer passes to idler shaft with another part moment of torsion through output gear, and idler shaft drives idle gear work again.
Useful technique effect of the present utility model is: adopt fluid control gearshift stepless change, suitable transmitting ratio is set, main reduction gear adopts one-level to slow down and the bigger gearbox body of structural strength, makes fork truck have the big tractive force of low speed, has higher moving velocity at a high speed; Shift gears and adopt independently fluid-controlled valve, control is handled more easily, facility, comfortable, the person's of lightening one's labor working strength, the performance and the work efficiency of raising fork truck.The employing of tor-con, change-speed box and one-level deceleration main reduction gear one-piece construction makes the change speed gear box longitudinal size compacter, helps the fork lift truck structure layout.The gearshift of employing fluid power, stepless change reduces the infringement of shift impact to engine and drive system, has prolonged the service life of car load and zero (portion) part.
Description of drawings
Fig. 1 is a contour structures scheme drawing of the present utility model;
Fig. 2 is a cutaway view of the present utility model.
Among the figure: 1. tor-con assembly, 2. oil pump assembly, 3. transmission assembly, 4. control cock assembly, 5. main reduction gear assembly, 101. tor-con casing, 102. flex plate, 103. turbine transformer, 201. oil pump body, 202. self lubricating bearing, 203. oil pump inner gear, 204. oil pump external gear, 205. oil pump wheel, 301. input shaft, 302. gear I, 303. internal friction sheet, 304. outside friction disc, 305. clutch plunger, 306. gear II, 307. idler shaft, 308. output gear, 309. gearbox body, 310. input shaft end cover, 311. idle gear, 312. clutch plunger ring, 313. rotating seal ring, 401. control valve assembly, 402. gear shift cover, 403. packing seal, 501. active spiral bevel, 502. axle side gear, 504. center cross, 503. differential gear, 505. differential gear box, 506. driven spiral bevel.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done detailed description:
The utility model comprises tor-con assembly 1, oil pump assembly 2, control cock assembly 4, transmission assembly 3, also comprises main reduction gear assembly 5, and tor-con assembly 1, oil pump assembly 2, control cock assembly 4, main reduction gear assembly 5 are connected with transmission assembly 3 respectively.
Main reduction gear assembly 5 comprises initiatively spiral bevel 501, initiatively spiral bevel 501 connects, center cross 504, center cross 504, differential gear 503, axle side gear 502 are coaxial and all be arranged in the differential gear box 505, and differential gear 503 connects driven spiral bevel 506.Transmission assembly 3 comprises input shaft 301, input shaft 301 ends are provided with input shaft end cover 310, be provided with rotating seal ring 313 between input shaft 301 and the input shaft end cover 310, input shaft 301 outsides set gradually gear I 302, internal friction sheet 303, outside friction disc 304, clutch plunger 305, gear II 306, and clutch plunger ring 312 is set on the clutch plunger 305; Gear II 306 and output gear 308 engagements, output gear 308 and idler shaft 307 engagements, idler shaft 307 is coupling with idle gear 311; Idle gear 311, idler shaft 307, output gear 308 all are arranged in the gearbox body 309.Clutch plunger ring 312 is an alloy iron castings.Tor-con assembly 1 comprises interconnective turbine transformer 103, flex plate 102, and turbine transformer 103, flex plate 102 all are arranged in the tor-con casing 101.Oil pump assembly 2 comprises oil pump body 201, self lubricating bearing 202, oil pump inner gear 203, oil pump external gear 204, oil pump wheel 205 are set respectively on the oil pump body 201, and oil pump body 201, self lubricating bearing 202, oil pump inner gear 203, oil pump external gear 204, oil pump wheel 205 all are arranged in the tor-con casing 101.Control cock assembly 4 comprises control valve assembly 401, gear shift cover 402, and control valve assembly 401 is arranged on the upper end of gear shift cover 402, and gear shift cover 402 is connected with gearbox body 309 by packing seal 403.Control valve assembly 401 adopts mechanical control and electromagnetic control dual mode.

Claims (8)

1. fork truck fluid power manual transmission, comprise tor-con assembly (1), oil pump assembly (2), control cock assembly (4), transmission assembly (3), it is characterized in that, also comprise main reduction gear assembly (5), tor-con assembly (1), oil pump assembly (2), control cock assembly (4), main reduction gear assembly (5) are connected with transmission assembly (3) respectively.
2. fork truck fluid power manual transmission according to claim 1, it is characterized in that, main reduction gear assembly (5) comprises initiatively spiral bevel (501), initiatively spiral bevel (501) connects center cross (504), center cross (504), differential gear (503), axle side gear (502) is coaxial and all be arranged in the differential gear box (505), and differential gear (503) connects driven spiral bevel (506).
3. fork truck fluid power manual transmission according to claim 2, it is characterized in that, transmission assembly (3) comprises input shaft (301), input shaft (301) end is provided with input shaft end cover (310), be provided with rotating seal ring (313) between input shaft (301) and the input shaft end cover (310), input shaft (301) outside sets gradually gear I (302), internal friction sheet (303), outside friction disc (304), clutch plunger (305), gear II (306), and clutch plunger ring (312) is set on the clutch plunger (305); Gear II (306) and output gear (308) engagement, output gear (308) and idler shaft (307) engagement, idler shaft (307) is coupling with idle gear (311); Idle gear (311), idler shaft (307), output gear (308) all are arranged in the gearbox body (309).
4. fork truck fluid power manual transmission according to claim 3 is characterized in that clutch plunger ring (312) is an alloy iron castings.
5. fork truck fluid power manual transmission according to claim 3, it is characterized in that, tor-con assembly (1) comprises interconnective turbine transformer (103), flex plate (102), and turbine transformer (103), flex plate (102) all are arranged in the tor-con casing (101).
6. fork truck fluid power manual transmission according to claim 5, it is characterized in that, oil pump assembly (2) comprises oil pump body (201), self lubricating bearing (202), oil pump inner gear (203), oil pump external gear (204), oil pump wheel (205) are set respectively on the oil pump body (201), and oil pump body (201), self lubricating bearing (202), oil pump inner gear (203), oil pump external gear (204), oil pump wheel (205) all are arranged in the tor-con casing (101).
7. fork truck fluid power manual transmission according to claim 5, it is characterized in that, control cock assembly (4) comprises control valve assembly (401), gear shift cover (402), control valve assembly (401) is arranged on the upper end of gear shift cover (402), and gear shift cover (402) is connected with gearbox body (309) by packing seal (403).
8. fork truck fluid power manual transmission according to claim 7 is characterized in that, control valve assembly (401) adopts mechanical control and electromagnetic control dual mode.
CN2010202779775U 2010-07-30 2010-07-30 Forklift fluid power gearshift gearbox Expired - Lifetime CN201825697U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202779775U CN201825697U (en) 2010-07-30 2010-07-30 Forklift fluid power gearshift gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202779775U CN201825697U (en) 2010-07-30 2010-07-30 Forklift fluid power gearshift gearbox

Publications (1)

Publication Number Publication Date
CN201825697U true CN201825697U (en) 2011-05-11

Family

ID=43964247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202779775U Expired - Lifetime CN201825697U (en) 2010-07-30 2010-07-30 Forklift fluid power gearshift gearbox

Country Status (1)

Country Link
CN (1) CN201825697U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103511582A (en) * 2013-10-14 2014-01-15 浙江中柴机器有限公司 Hydrodynamic transmission speed changer with novel hydraulic control system
CN105202146A (en) * 2015-10-22 2015-12-30 吉首市宗南重工制造有限公司 Mechanical hydraulic direct acting intelligent drive type gearbox

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103511582A (en) * 2013-10-14 2014-01-15 浙江中柴机器有限公司 Hydrodynamic transmission speed changer with novel hydraulic control system
CN103511582B (en) * 2013-10-14 2016-03-02 浙江中柴机器有限公司 A kind of hydrodynamic drive speed changer with hydraulic control system
CN105202146A (en) * 2015-10-22 2015-12-30 吉首市宗南重工制造有限公司 Mechanical hydraulic direct acting intelligent drive type gearbox
CN105202146B (en) * 2015-10-22 2016-05-18 吉首市宗南重工制造有限公司 Machine liquid direct-connected driven gearbox

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Granted publication date: 20110511