CN2590780Y - Bidirectional shifting gears accelerator mechanism - Google Patents
Bidirectional shifting gears accelerator mechanism Download PDFInfo
- Publication number
- CN2590780Y CN2590780Y CN 02292039 CN02292039U CN2590780Y CN 2590780 Y CN2590780 Y CN 2590780Y CN 02292039 CN02292039 CN 02292039 CN 02292039 U CN02292039 U CN 02292039U CN 2590780 Y CN2590780 Y CN 2590780Y
- Authority
- CN
- China
- Prior art keywords
- switch
- top plate
- retreat
- bidirectional
- bearing seat
- 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 - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
- Control Of Transmission Device (AREA)
Abstract
The utility model relates to a bidirectional gear shifting accelerating mechanism. A manual switch is connected with a battery, and another contact is connected with an advancing switch and a retreat switch in parallel. Two switches are respectively connected with an advancing coil and a retreat coil of a bidirectional electromagnetic valve. A movable iron core of the bidirectional electromagnetic valve and an oil distributing valve of an automatic speed changer of a fork truck form an integral body. An accelerator pedal is composed of an upper layer plate and two lower layer plates which are hinged by the same bearing seat. The two lower layer plates are respectively connected with a rock arm by transmission rods. The rock arm is connected with an engine accelerograph by a draw rod. A power supply is switched on, the upper layer plate is forwards pedalled, the advancing switch on the front end of the lower layer plate is switched on, the oil distributing valve is driven by the movable iron core to work, and the fork truck enters an advancing gear. The upper layer plate is continuously and forwards pedaled, the lower layer plates are driven to rotate, and the engine accelerograph can be increased. The upper layer plate is reversely pedaled, the fork truck enters a retreat gear, and the engine accelerograph still can be increased. The fore and aft gear shifting of the fork truck and the oil supply work to an engine can be connected to be carried out by the bidirectional gear shifting accelerating mechanism. The work intensity of a driver is weakened by the bidirectional gear shifting accelerating mechanism, and the work efficiency of the driver is enhanced.
Description
Technical field
A kind of two-way gear shift acceleration mechanism of gear shift acceleration mechanism, particularly a kind of forklift of special vehicle.
Technical background
The declutch shift lever of forklift places below the bearing circle on instrument carrier panel top.Forklift needs frequent advance in short range, retreat and lifting repeatedly, flexible scraper bowl in operation process.The hand that this job specification of forklift needs chaufeur constantly action between the joystick of the declutch shift lever of forklift and scraper bowl causes chaufeur energy to disperse fatiguability.The particularly lifting of the gear-change operation of forklift and scraper bowl, flexible operation are difficult for carrying out simultaneously, have influenced work efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of two-way gear shift acceleration mechanism.Can be when this two-way gear shift acceleration mechanism carries out speed change to forklift without manual manipulation.Chaufeur is trampled this two-way gear shift acceleration mechanism forward or backward with pin, and two-way gear shift acceleration mechanism can make before forklift quickens finishing open the throttle wide, at first finishes the gear shift work that forklift advances or retreats.
The purpose of this utility model is realized by following technical scheme: a kind ofly contain two-way gear shift acceleration mechanism accelerator rod, hand shift rocking arm and automatic transmission with hydraulic torque converter, electromechanical integrated structure in engine oil-valve operation system and shifting transmission system, it is characterized in that in the electric part, pass through lead, contact of hand switch links to each other with storage battery is anodal, and advance switch and one of another of contact parallel connection retreats switch.Advance another contact of switch links to each other with the forward solenoid of bidirectional electromagnetic valve and the indicator lamp that advances.Retreating magnet coil and retreating indicator lamp of another contact that retreats switch and bidirectional electromagnetic valve links to each other.The movable core of bidirectional electromagnetic valve and the distributing valve of automatic transmission with hydraulic torque converter are integral.Mechanics is made up of double-deck pedal, bearing seat and drive link.Double-deck pedal is by a top plate, and two lower plywoods are formed.Top plate hinged below by hinge and bearing seat.Two lower plywoods are hinged with bearing seat respectively by hinge at the middle part.The relative bearing seat in the two ends of top plate and lower plywood all has a movement in a curve track.Every lower plywood respectively is connected with same rocking arm by a drive link, and rocking arm is connected with engine throttle by accelerator rod.Switch and retreat the below that switch places the lower plywood termination, is positioned at top plate advances.
Two-way gear shift acceleration mechanism of the present utility model advances forklift or the gear shift work that retreats is changed into by manual task and uses the pin operation, also forklift is advanced simultaneously or the gear shift work that retreats and the fuel feeding work of driving engine is connected is carried out.Two-way gear shift acceleration mechanism of the present utility model has reduced the frequency of operation of hand of driver, has reduced chaufeur labour intensity, has improved work efficiency.
Description of drawings
The structural representation of Fig. 1, two-way gear shift acceleration mechanism.
Fig. 2, double-deck pedal work scheme drawing.
Among the figure, 1 storage battery; 2 wire fuses; 3 switches; 4 switches that advance; 5 retreat switch; 6 top plates; 7,8 lower plywoods; 9,10 drive links; 11 bearing seats; 12 rocking arms; 13 accelerator rods; 14 indicator lamps, 15 that advance retreat indicator lamp; 16 forward solenoids; 17 retreat magnet coil; 18 movable cores; 19 distributing valves; 20 hand shift rocking arms; 21 automatic transmission with hydraulic torque converters; 22 bidirectional electromagnetic valves.
The specific embodiment
Referring to Fig. 1.On the forklift, in containing the engine oil-valve operation system of accelerator rod 13 and containing in the shifting transmission system of hand shift rocking arm 20, automatic transmission with hydraulic torque converter 21, the two-way gear shift acceleration mechanism of the electromechanical integrated structure of having set up by wire fuse 2, switch 3, the switch 4 that advances, retreat switch 5, top plate 6, lower plywood 7,8, drive link 9,10, bearing seat 11, rocking arm 12, the indicator lamp 14 that advances, retreat indicator lamp 15, forward solenoid 16, retreat magnet coil 17, movable core 18, automatic transmission with hydraulic torque converter 21, bidirectional electromagnetic valve 22 being formed.Switch 3, indicator lamp 14 and retreating on the instrument carrier panel that indicator lamp 15 all places forklift advances.Bidirectional electromagnetic valve 22 places the original automatic transmission with hydraulic torque converter of forklift 21 places, and the distributing valve 19 of the movable core 18 of bidirectional electromagnetic valve 22 and automatic transmission with hydraulic torque converter 21 is welded into one.A contact of switch 3 links to each other with the positive pole of storage battery 1 by lead and wire fuse 2, and advance switch 4 and one of another of contact parallel connection retreats switch 5.Advance another contact of switch 4 links to each other with the forward solenoid 16 of bidirectional electromagnetic valve 22 and the indicator lamp 14 that advances.Retreating magnet coil 17 and retreating indicator lamp 15 of another contact that retreats switch 5 and bidirectional electromagnetic valve 22 links to each other.Two magnet coils all link to each other with power cathode with the other end of two indicator lamps.The movable core 18 of bidirectional electromagnetic valve 22 is welded as a whole with the distributing valve 19 of automatic transmission with hydraulic torque converter 21.Double-deck pedal is the improvement of the original Das Gaspedal of forklift, is made of a top plate 6 and two fast lower plywoods 7,8.The following center of top plate 6 is hinged by hinge and bearing seat 11.Two lower plywoods 7,8 are hinged with bearing seat 11 respectively by hinge at the middle part.Every lower plywood respectively is connected with same rocking arm 12 by a drive link 9,10 again.Rocking arm 12 is connected with engine throttle by accelerator rod 13.End between lower plywood 7,8 and the top plate respectively is equipped with a switch 4 and retreat switch 5 of advancing.Top plate 6 and lower plywood 7,8 can be around bearing seat 11 two-way rotations.
Forklift places control position with switch 3 earlier when carrying out the shoveling operation, make system enter the dead work state.Chaufeur is placed on pin on the top plate 6, and the center of gravity of pin is at bearing seat 11 places.Change forklift into D Drive if need, as long as trample top plate 6 forward, make top plate 6 rotate a smaller angle forward around bearing seat 11, the spring force that the front end of top plate 6 overcomes the switch 4 that advances on the lower plywood 7 makes it to be in on-state, make coil 16 energisings of advancing of bidirectional electromagnetic valve 22, movable core 18 is attracted to the left side, and movable core 18 drives the hydraulic circuit of the distributing valve 19 communication forklift D Drives of automatic transmission with hydraulic torque converter 21, and forklift changes D Drive automatically into.
Forklift changed into retreat shelves, chaufeur need be trampled top plate 6 backward, make top plate 6 around bearing seat 11 smaller angle that rotates backward, the spring force that retreats switch 5 that the rear end of top plate 6 overcomes on the lower plywood 8 makes it to be in on-state, the coil 17 that retreats of bidirectional electromagnetic valve 22 is switched on, movable core 18 is attracted to the right, and movable core 18 drives the distributing valve 19 of automatic transmission with hydraulic torque converter 21 and links up the hydraulic circuit that forklift retreats shelves, and forklift changes into automatically and retreats shelves.
Referring to Fig. 2.If continue to trample forward top plate 6, top plate 6 will force lower plywood 7 also to rotate forward, the engine throttle when lower plywood 7 is driven big forklift and advanced by drive link 9, rocking arm 12 and accelerator rod 13.Otherwise if continue to trample top plate 6 backward, top plate 6 will force lower plywood 8 also to be rotated further backward, the engine throttle when lower plywood 8 is driven big forklift and retreated by drive link 10, rocking arm 12 and accelerator rod 13.
When forklift was normally exercised, cut-off switch 3 made it power cut-off.This moment, chaufeur still can operate declutch shift lever with hand, made declutch shift lever carry out the shift control of forklift by the distributing valve 19 of hand shift rocking arm 20 control automatic transmission with hydraulic torque converters 21.
Claims (2)
1, a kind ofly in engine oil-valve operation system and shifting transmission system, contain accelerator rod, hand shift rocking arm and automatic transmission with hydraulic torque converter, the two-way gear shift acceleration mechanism of electromechanical integrated structure, it is characterized in that in the electric part, pass through lead, a contact of hand switch links to each other with storage battery is anodal, advance switch and one in parallel retreat switch for another contact, advance another contact of switch links to each other with the forward solenoid of bidirectional electromagnetic valve and the indicator lamp that advances, retreating magnet coil and retreating indicator lamp of another contact that retreats switch and bidirectional electromagnetic valve links to each other, the movable core of bidirectional electromagnetic valve and the distributing valve of automatic transmission with hydraulic torque converter are integral, mechanics is by double-deck pedal, bearing seat and drive link are formed, double-deck pedal is by a top plate, two lower plywoods are formed, top plate is hinged by hinge and bearing seat below, two lower plywoods are hinged with bearing seat respectively by hinge in the middle part, the relative bearing seat in the two ends of top plate and lower plywood all has a movement in a curve track, every lower plywood respectively is connected with same rocking arm by a drive link, and rocking arm is connected with engine throttle by accelerator rod.
2, two-way gear shift acceleration mechanism according to claim 1, switch and retreat the below that switch places the lower plywood termination, is positioned at top plate is characterized in that advancing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292039 CN2590780Y (en) | 2002-12-20 | 2002-12-20 | Bidirectional shifting gears accelerator mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292039 CN2590780Y (en) | 2002-12-20 | 2002-12-20 | Bidirectional shifting gears accelerator mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2590780Y true CN2590780Y (en) | 2003-12-10 |
Family
ID=33750588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02292039 Expired - Fee Related CN2590780Y (en) | 2002-12-20 | 2002-12-20 | Bidirectional shifting gears accelerator mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2590780Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487594A (en) * | 2016-01-22 | 2016-04-13 | 吉林大学 | Pedal feel simulator adjusted through electromagnetic control |
-
2002
- 2002-12-20 CN CN 02292039 patent/CN2590780Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487594A (en) * | 2016-01-22 | 2016-04-13 | 吉林大学 | Pedal feel simulator adjusted through electromagnetic control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |