CN102322084A - Operating device for foot valve - Google Patents
Operating device for foot valve Download PDFInfo
- Publication number
- CN102322084A CN102322084A CN201110183884A CN201110183884A CN102322084A CN 102322084 A CN102322084 A CN 102322084A CN 201110183884 A CN201110183884 A CN 201110183884A CN 201110183884 A CN201110183884 A CN 201110183884A CN 102322084 A CN102322084 A CN 102322084A
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- China
- Prior art keywords
- bearing pin
- excavator
- ratchet
- support plate
- foot valve
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- 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.)
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Abstract
The invention relates to an operating device for a foot valve of an excavator. The operating device comprises a foot pedal which is positioned on the foot valve of the excavator; the foot pedal is connected with the foot valve of the excavator; and one side of the foot pedal is provided with a concave cavity. The operating device further comprises a block tongue which can adaptively insert into/withdraw from the concave cavity; and the block tongue is arranged on a locking mechanism which can enable the block tongue to be in two states, i.e. inserting into the concave cavity or staying outside the concave cavity. Through controlling the action of the locking mechanism, the block tongue can insert into or withdraw from the concave cavity so as to switch the foot pedal to be in two states, i.e. a locking state and a free state, thus the switching among different use demands of the equipment is reached; according to the scheme, the cover plate for the foot pedal of the excavator is cancelled, thus the faulty operation of the foot valve is avoided, and the integrity and the attractiveness of pedal are enhanced.
Description
Technical field
The present invention relates to be used for the manipulation device of excavator, specifically, the present invention relates to be used for the manipulation device of excavator foot valve.
Background technology
Foot valve is the main operating mechanism that is used for controlling quartering hammer or swing arm deflection in the excavator, generally handles through the foot rest that is installed in above the foot valve, and direction difference during installation is stepped on about having or multiple manner of execution is stepped in front and back.
When needs are controlled quartering hammer or swing arm deflection with foot valve; As long as operator tramps with one's feet down the foot valve upper footboard about or the front and back end; Need not use quartering hammer or swing arm deflection then need foot valve be locked at ordinary times, prevent that it from producing unnecessary action and influencing the performance of excavator.
What generally adopt is on the pedal of foot valve, to install a cover plate that can rotate around bearing pin additional; When cover plate puts down when covering on pedal, pin steps down on the cover plate, and pedal is failure to actuate; Then start cover plate like need operation foot valve, cover plate rotates around bearing pin and is locked in certain position by self gravitation.This manipulation device is not because of locking the position of cover plate, and cover plate is easy to turn over and covers on foot valve, in operating process, makes troubles or maloperation.
Summary of the invention
[0005] technical problem to be solved by this invention provides a kind of simple to operately, safe, and good stability can improve the foot valve manipulation device of operating efficiency.
For solving the problems of the technologies described above, foot valve manipulation device of the present invention has a foot rest on the foot valve that is positioned at excavator, and foot rest connects with the foot valve of excavator, and a side of foot rest is provided with a depression; It also has adaptive insertion, withdraws from the block tongue of depression, and said block tongue is located at and block tongue is in insert depression or rests on the lockable mechanism of two states outside the depression.
According to an embodiment, said foot valve manipulation device has a foot rest on the foot valve that is positioned at excavator, and foot rest connects with the foot valve of excavator, and a side of foot rest is provided with a depression; Said lockable mechanism has one and is inverted U-shaped support plate; Side at support plate is provided with adaptive insertion, withdraws from the block tongue of depression; At the bottom of support plate is near inverted U-channel, be provided with first bearing pin; Be provided with axial hole in the inverted U-shaped notch of support plate both sides, second bearing pin passes axial hole and is fixed on the excavator base plate platform, and support plate is hinged on the base plate of excavator; It also has a ratchet mechanism and can make ratchet break away from ratchet and can make its friction pulley that resets, and it also has little pedal, the 3rd bearing pin, first torsion spring, second torsion spring; The ratchet of ratchet mechanism is hinged through first bearing pin and support plate, and second torsion spring set is contained on first bearing pin, and it is turned round arm and acts on ratchet; Make ratchet be close to ratchet or friction pulley wheel face, ratchet is axially fixed on second bearing pin, and friction pulley is installed on second bearing pin and can rotates around second bearing pin; The 3rd bearing pin is hinged on the base plate of excavator, and the 3rd bearing pin is provided with boss near an end of support plate, and support plate is provided with the boss of coupling near an end of the 3rd bearing pin; Removable connection between two boss, first torsion spring is contained on the 3rd bearing pin, turns round bearing and boss that arm acts on the 3rd bearing pin respectively; Little pedal is fixed in the end of the 3rd bearing pin away from support plate; Left rotation and right rotation through little pedal drives the 3rd bearing pin and rotates, and the 3rd bearing pin rotates and drives support plate and rotate, thereby realizes that block tongue inserts, withdraws from the action of depression.
Further, said friction pulley is the fan-shaped friction pulley of diameter greater than ratchet, is provided with spacing cylinder at ratchet and fan-shaped friction pulley contact surface, and corresponding spacing cylinder part is provided with mobile spacing hole on fan-shaped friction pulley.
Further, said friction pulley is a cam, and its projection diameter is provided with spacing cylinder greater than the diameter of ratchet at ratchet and cam contact surface, and corresponding spacing cylinder part is provided with mobile spacing hole on cam.
According to an embodiment; Said lockable mechanism is hinged on the excavator base plate platform through bearing pin and can rotates around bearing pin; Realize block tongue turnover depression through rotation; Also be provided with gag lever post on the base plate platform, said lockable mechanism also comprises tensioning spring, block tongue is in inserts depression or rest on the state that withdraws from depression.
Further, also be provided with the boss that supplies to stir lockable mechanism on the said lockable mechanism.
Beneficial effect of the present invention: through the action of control lock locking mechanism; Can realize that block tongue inserts, withdraws from the action of depression, be in locking and free two kinds of states thereby switch foot valve, the switching between the different user demands of the equipment that reaches; This scheme has been cancelled the cover plate of excavator foot rest; Avoid the maloperation of foot valve, and improved the globality of pedal, aesthetic property.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain:
Fig. 1 is the manipulation device structural representation of embodiment 1 foot valve;
Fig. 2 is in the lockup state sketch map for the manipulation device of embodiment 1 foot valve;
Fig. 3 is that the A-A of Fig. 2 is to figure;
Fig. 4 is in the free state sketch map for the manipulation device of embodiment 1 foot valve;
Fig. 5 is the manipulation device structural representation of embodiment 2 foot valves;
Fig. 6 is the manipulation device structural representation of embodiment 3 foot valves;
Fig. 7 is in the free state sketch map for the manipulation device of embodiment 3 foot valves.
The specific embodiment
Embodiment 1: with reference to Fig. 1-Fig. 4, and a kind of foot valve manipulation device, it has a foot rest 1 on the foot valve 12 that is positioned at excavator, and foot rest 1 connects with the foot valve 12 of excavator, and a side of foot rest 1 is provided with a depression 2; It also has one and is inverted U-shaped support plate 4; Side at support plate 4 is provided with adaptive insertion, withdraws from the block tongue 3 of depression 2; At the bottom of support plate 4 is near inverted U-channel, be provided with first bearing pin 13; Be provided with axial hole in support plate 4 inverted U-shaped notch both sides, second bearing pin 16 passes axial hole and is fixed on the excavator base plate platform 15, and support plate 4 is hinged on the base plate 15 of excavator; It also has a ratchet mechanism and the diameter fan-shaped friction pulley 9 greater than ratchet 10, is provided with spacing cylinder 14 at ratchet 10 and fan-shaped friction pulley 9 contact surfaces, and corresponding spacing cylinder 14 parts are provided with mobile spacing hole on fan-shaped friction pulley 9; It also has little pedal 5, the 3rd bearing pin 6, first torsion spring 7, second torsion spring 11; Ratchet 8 is hinged with support plate 4 through first bearing pin 13, and second torsion spring 11 is sleeved on first bearing pin 13, and it is turned round arm and acts on ratchet 8; Make ratchet 8 be close to the wheel face of ratchet 10 or friction pulley 9, ratchet 10 is axially fixed on second bearing pin 16, and fan-shaped friction pulley 9 is installed on second bearing pin 16 and can rotates around second bearing pin 16; The 3rd bearing pin 6 is hinged on the base plate 15 of excavator; The 3rd bearing pin 6 is provided with boss near an end of support plate 4, and support plate 4 is provided with the boss of coupling near an end of the 3rd bearing pin 6, between two boss through the removable connection of bolt; Torsion spring 7 is contained on the 3rd bearing pin 6; Turn round arm and act on the bearing of the 3rd bearing pin 6 and the boss of support plate 4 one ends respectively, little pedal 5 is fixed in the end of the 3rd bearing pin 6 away from support plate 4, and the left rotation and right rotation through little pedal 5 drives the 3rd bearing pin 6 and rotates; The 3rd bearing pin 6 rotates and drives support plate 4 rotations, thereby realizes that block tongue 3 inserts, withdraws from the action of depression 2.
When block tongue 3 inserted in the depressions 2, foot rest 1 was by locking, thereby made foot valve 12 akinesias, moved like need; Then step on little pedal 5, rotate through the 3rd bearing pin 6, drive support plate 4 and rotate, ratchet 8 receives torsion spring 11 effects; Be pressed in ratchet 10 wheel faces and slide,, after foot rest 1 is unlocked, discharge little pedal 5 when block tongue 3 withdraws from depression 2; First torsion spring 7 acts on support plate 4, and ratchet 10 rollbacks are also spacing with ratchet 8 entering engagements, are in state as shown in Figure 4, and foot valve 12 is in can mode of operation.
When needs with foot valve 12 when being in mode of operation and transferring lockup state to, step on little pedal 5 once more, bearing pin 6 drives support plates 4 actions; Ratchet 8 slides at ratchet 10 wheel faces, when fan-shaped friction pulley 9 can't be rotated by 14 restrictions of ratchet 10 end face cylinders, because fan-shaped friction pulley 9 external diameters are higher than ratchet 10 external diameters; Ratchet 8 is just climbed up fan-shaped friction pulley 9 wheel faces by fan-shaped friction pulley 9 jack-up, breaks away from and the contacting of ratchet 10, when discharging little pedal 5; The torsion of torsion spring 7 resets support plate 4, rotates thereby drive support plate 4, and the torsion of torsion spring 11 makes ratchet 8 be pressed on fan-shaped friction pulley 9 wheel faces; Insert depression 2 once more with foot rest 1 locking up to block tongue 3; Because ratchet 10 end face cylinders 14 is spacing, fan-shaped friction pulley 9 stops operating, and the fan-shaped friction pulley 9 of ratchet 8 disengagings contacts with ratchet 10 once more gets back to location status as shown in Figure 3.
Embodiment 2: referring to Fig. 5, on the basis of embodiment 1, substitute fan-shaped friction pulley 9 with cam friction pulley 9, its structural principle is identical with embodiment 1 with the course of work, is not described in detail.
Embodiment 3: with reference to Fig. 6-Fig. 7, and a kind of foot valve manipulation device, it has a foot rest 1 on the foot valve 12 that is positioned at excavator, and foot rest 1 connects with the foot valve 12 of excavator, and a side of foot rest 1 is provided with a depression 2; Lockable mechanism is provided with the block tongue 3 with depression 2 adaptive insertions; Said lockable mechanism is hinged on the excavator base plate platform 15 through bearing pin 17 and can rotates around bearing pin 17, and the rotation realization block tongue 3 turnover depressions 2 through lockable mechanism also are provided with on the base plate platform 15 and also are provided with tensioning spring 19 on gag lever post 18, the lockable mechanism; Gag lever post 18 is fixed on the base plate platform 15; One end of tensioning spring 19 is hinged on the lockable mechanism, and the other end is hinged on the bottom or base plate platform 15 of pedal 1, and tensioning spring 19 is in block tongue 3 and inserts depression 2 or rest on the position two states that depression 2 outer gag lever posts 18 limit; On the lockable mechanism, also be provided with the boss of Gong stirring 20.
Stir boss 20 toward pedal 1 direction, under the tension force effect of lockable mechanism tensioning spring 19, lockable mechanism will be in bearing pin 17 rotations and the depression 2 that block tongue 3 is inserted on the pedals 1, this moment pedal 1 be limited can not knee-action, thereby foot valve 12 is also by locking.
Referring to Fig. 7; Stir boss 20 behind certain position toward pedal 1 rightabout, lockable mechanism will and make the block tongue 3 of lockable mechanism break away from depression 2 around bearing pin 17 rotations under the tension force effect of tensioning spring 19; Lockable mechanism receives the active force of tensioning spring 19 and gag lever post 18 simultaneously; Be fixed on the position of gag lever post 18 restrictions, this moment, pedal 1 can move by easy on and off, thereby can handle foot valve 12.
The above is merely the preferred embodiments of the present invention, and does not limit the present invention in any way, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. excavator foot valve manipulation device is characterized in that:
It has a foot rest (1) on the foot valve (12) that is positioned at excavator, and foot rest (1) connects with the foot valve (12) of excavator, and a side of foot rest (1) is provided with a depression (2);
It also has adaptive insertion, the withdraw from depression block tongue (3) of (2), and said block tongue (3) is located at and block tongue is in insert depression (2) or rests on the lockable mechanism of two states outside the depression (2).
2. excavator foot valve manipulation device according to claim 1 is characterized in that:
Said lockable mechanism has one and is inverted U-shaped support plate (4); Side at support plate (4) is provided with block tongue (3); At the bottom of support plate (4) is near inverted U-channel, be provided with first bearing pin (13); Be provided with axial hole in the inverted U-shaped notch of support plate (4) both sides, second bearing pin (16) passes axial hole and is fixed on the excavator base plate platform (15), and support plate (4) is hinged on the base plate (15) of excavator;
Said lockable mechanism also has a ratchet mechanism and can make ratchet (8) break away from ratchet (10) and can make its friction pulley that resets (9);
Said lockable mechanism also has little pedal (5), the 3rd bearing pin (6), first torsion spring (7), second torsion spring (11);
Ratchet (8) is hinged through first bearing pin (13) and support plate (4); Second torsion spring (11) is sleeved on first bearing pin (13), and it is turned round arm and acts on ratchet (8), and ratchet (10) is axially fixed on second bearing pin (16); Friction pulley (9) is installed in second bearing pin (16) and goes up and can rotate around second bearing pin (16); The 3rd bearing pin (6) is hinged on the base plate (15) of excavator, and the 3rd bearing pin (6) is provided with boss near an end of support plate (4), and support plate (4) is provided with the boss of coupling near an end of the 3rd bearing pin (6); Removable connection between two boss; First torsion spring (7) is contained on the 3rd bearing pin (6), turns round arm and acts on the bearing of the 3rd bearing pin (6) and the boss of support plate (4) respectively, and little pedal (5) is fixed in the end of the 3rd bearing pin (6) away from support plate (4).
3. excavator foot valve manipulation device according to claim 2; It is characterized in that: said friction pulley (9) is the fan-shaped friction pulley of diameter greater than ratchet (10); Be provided with spacing cylinder (14) at ratchet (10) and fan-shaped friction pulley contact surface, corresponding spacing cylinder (14) part is provided with mobile spacing hole on fan-shaped friction pulley.
4. excavator foot valve manipulation device according to claim 2; It is characterized in that: said friction pulley (9) is a cam; Its projection diameter is greater than the diameter of ratchet (10); Be provided with spacing cylinder (14) at ratchet (10) and cam contact surface, corresponding spacing cylinder (14) part is provided with mobile spacing hole on cam.
5. excavator foot valve manipulation device according to claim 1; It is characterized in that: said lockable mechanism is hinged on excavator base plate platform (15) through bearing pin (17) and goes up also and can realize block tongue (3) turnover depression (2) through rotation around bearing pin (17) rotation; Said lockable mechanism also comprises on tensioning spring (19), the base plate platform (15) and also is provided with gag lever post (18), block tongue (3) is in inserts depression (2) or rest on the state that withdraws from depression (2).
6. excavator foot valve manipulation device according to claim 5 is characterized in that: also be provided with the boss of Gong stirring (20) on the said lockable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183884A CN102322084A (en) | 2011-07-02 | 2011-07-02 | Operating device for foot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183884A CN102322084A (en) | 2011-07-02 | 2011-07-02 | Operating device for foot valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322084A true CN102322084A (en) | 2012-01-18 |
Family
ID=45449908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110183884A Pending CN102322084A (en) | 2011-07-02 | 2011-07-02 | Operating device for foot valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322084A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703109A (en) * | 2016-12-29 | 2017-05-24 | 徐工集团工程机械股份有限公司科技分公司 | Control device for retractable valve of loader-digger |
| CN112460090A (en) * | 2020-11-11 | 2021-03-09 | 上海三一重机股份有限公司 | Pedal valve component and engineering machinery |
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| WO2011011812A1 (en) * | 2009-07-30 | 2011-02-03 | Geoffrey Allan Davis | Pedal assembly for steering systems |
| CN201764082U (en) * | 2010-09-07 | 2011-03-16 | 赵子洪 | Special pedal valve of crushing hammer |
| CN202175984U (en) * | 2011-07-02 | 2012-03-28 | 山河智能装备股份有限公司 | Control device of foot valve |
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2011
- 2011-07-02 CN CN201110183884A patent/CN102322084A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203527A (en) * | 1988-02-09 | 1989-08-16 | Toyota Autom Loom Works Ltd | Loading pedal of industrial vehicle |
| JPH0325463A (en) * | 1989-06-22 | 1991-02-04 | Nec Corp | Laser printer |
| JPH09125463A (en) * | 1995-11-06 | 1997-05-13 | Kobelco Kenki Eng Kk | Operation lever and pedal lock device of working vehicle |
| CN1285903A (en) * | 1997-12-02 | 2001-02-28 | Smc株式会社 | Rotation stop device and electric actuator having rotation stopping function |
| CN2338438Y (en) * | 1998-07-16 | 1999-09-15 | 孙士武 | Theft-proof lock for automobile throttle |
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| CN201687304U (en) * | 2010-05-19 | 2010-12-29 | 广西柳电电气股份有限公司 | Outdoor lock for high and low voltage switch cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703109A (en) * | 2016-12-29 | 2017-05-24 | 徐工集团工程机械股份有限公司科技分公司 | Control device for retractable valve of loader-digger |
| CN112460090A (en) * | 2020-11-11 | 2021-03-09 | 上海三一重机股份有限公司 | Pedal valve component and engineering machinery |
| CN112460090B (en) * | 2020-11-11 | 2022-08-02 | 上海三一重机股份有限公司 | Pedal valve component and engineering machinery |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120118 |