CN201479564U - External feedback mechanism of high-powered elevator - Google Patents
External feedback mechanism of high-powered elevator Download PDFInfo
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- CN201479564U CN201479564U CN2009202253038U CN200920225303U CN201479564U CN 201479564 U CN201479564 U CN 201479564U CN 2009202253038 U CN2009202253038 U CN 2009202253038U CN 200920225303 U CN200920225303 U CN 200920225303U CN 201479564 U CN201479564 U CN 201479564U
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Abstract
The utility model discloses an external feedback mechanism of a high-powered elevator, which comprises a connecting rod assembly, a middle arm, a regulating lever assembly and a feedback arm in a distributor, wherein a front regulating lever in the regulating lever assembly is hinged with the feedback arm in the distributor assembly; the inner end of a connecting rod in the connecting rod assembly is a U-shaped jaw with a through hole and is hinged with the lower end of the middle arm, and the upper end of the middle arm is hinged with an opening groove with a through hole on an external lift arm; and the inner end of a rear regulating lever in the regulating lever assembly is a U-shaped jaw with a through hole, and is hinged with the middle part of the middle arm. The utility model has reasonable structure, can eliminate lateral component generated in the working process, has higher sensitivity, can feed back information 100 percent to the distributor, greatly increases the control accuracy, prolongs the service life, simplifies part matching, enhances the production precision and assembly precision of the parts, greatly reduces the abrasion of the parts, and simultaneously significantly reduces the manufacturing cost and maintenance cost.
Description
Technical field
The utility model relates to the hydraulic pressure elevator of tractor field, more particularly is a kind of external high-power lifter feedback mechanism.
Background technology
In existing hydraulic pressure elevator of tractor, with the matching used feedback mechanism of external high-power lifter mainly by connecting rod, rise right pressing plate soldering member on the lift arm, intermediate arm soldering member, adjusting rod assembly etc. outward and constitute.It is hinged by bearing pin that one end of this connecting rod and power are regulated rocking arm, and it is hinged that its other end and an end are welded on the other end of bearing pin of intermediate arm lower end; It is hinged that the upper end hole of this intermediate arm and an end are welded on the other end of the bearing pin on the right pressing plate, and it is hinged that an end is welded on the other end and the back adjusting rod in the adjusting rod assembly of the bearing pin in the middle of the intermediate arm.
The intermediate link of above-mentioned feedback mechanism has all adopted Type of Welding, because right pressing plate and intermediate arm are all thinner, the bad assurance of precision of welding, the rigidity of part is all smaller in addition, after the assembling, everywhere because all adopt the bearing pin articulated manner, cooperation all belongs to matched in clearance and the gap is bigger, this is that fit clearance is little can be taken place to kill phenomenon mutually between rod member, makes feedback function lose efficacy because be subjected to structural limitations; Feedback force all acts on three bearing pins that a side is extended in addition, forms unnecessary moment, causes the loss of feedback quantity; After having used of a specified duration, because the wearing and tearing and the distortion of part, the sensitivity of feedback is sharply descended, performance is seriously unstable.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of cross component force that produces in the course of work of can eliminating at above-mentioned the deficiencies in the prior art, make mechanical property more stable, sensitivity is higher, the feedack amount can 100% feeds back in the distributor, increase substantially the external high-power lifter feedback mechanism in control accuracy and service life, the utility model has been simplified the part cooperation, the making precision and the assembly precision of part have been improved, make that the structure of feedback mechanism is more reasonable, make the wearing and tearing of part reduce greatly, greatly reduce manufacturing cost and maintenance cost simultaneously.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of external high-power lifter feedback mechanism, comprise the feedback arm in connecting rod assembly, intermediate arm, adjusting rod assembly and the distributor, preceding adjusting rod in this adjusting rod assembly and the feedback arm in the dispenser assembly are hinged by bearing pin, the inner of connecting rod is the U type jaw that has through hole in the described connecting rod assembly, intermediate arm has the lower end of through hole and stretches in the above-mentioned U type jaw, and hinged by bearing pin; The upper end that this intermediate arm is provided with through hole is stretched in the open trough that outer lift arm is provided with through hole, and hinged by bearing pin; Back adjusting rod in this adjusting rod assembly is provided with the U type jaw that has through hole, and intermediate arm has the middle part of through hole and stretches in the above-mentioned U type jaw, and hinged by bearing pin.
Described connecting rod assembly is made of connecting rod, adapter sleeve and nut, and the outer end of this connecting rod is provided with external screw thread, and it forms with the center screw that adapter sleeve is provided with and is threaded, and by nut check, it is hinged by bearing pin that this adapter sleeve and power are regulated rocking arm.
Described adjusting rod assembly comprises back adjusting rod, back nut, Adjusting bolt Adjusting screw, preceding nut and preceding adjusting rod, and this back adjusting rod forms with the two ends of Adjusting bolt Adjusting screw respectively with preceding adjusting rod and is threaded, and respectively by back nut and preceding nut check.
The utility model compared with prior art has the following advantages:
The utility model adopts comprehensively feedback of power, position, by architecture advances, has simplified the part cooperation, has improved the making precision and the assembly precision of part, makes that the structure of feedback mechanism is more reasonable; Eliminated the cross component force that produces in the course of work, made mechanical property more stable, sensitivity is higher, and the feedack amount can 100% feeds back in the distributor, makes control accuracy also increase substantially; Because optimized the stress of part, thereby made the wearing and tearing of part reduce greatly, improve service life greatly, greatly reduces manufacturing cost and maintenance cost simultaneously.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model.
Fig. 2 is the A-A cutaway view among Fig. 1.
Among the figure: 1, connecting rod assembly; 1-1, adapter sleeve; 1-2, nut; 1-3, connecting rod; 2, outer lift arm; 2-1, open trough; 3, intermediate arm; 3-1, bearing pin; 3-2, bearing pin; 4, adjusting rod assembly; 4-1, back adjusting rod; 4-2, back nut 4-3, Adjusting bolt Adjusting screw; 4-4, preceding nut; 4-5, preceding adjusting rod; 5, dispenser assembly; 5-1, feedback arm; 5-2, handle; 6, power is regulated rocking arm.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
As shown in Figure 1 and Figure 2, the supporting use of external distributor in the main and high-power lifter of the utility model external high-power lifter feedback mechanism.It comprises the feedback arm 5-1 in connecting rod assembly 1, intermediate arm 3, adjusting rod assembly 4, the dispenser assembly 5 and is used for hinged bearing pin everywhere.Wherein:
Described connecting rod assembly 1 is made of connecting rod 1-3, adapter sleeve 1-1 and nut 1-2.The inner of this connecting rod 1-3 is provided with U type jaw and the vertical through hole that passes above-mentioned U type jaw, and the lower end that intermediate arm 3 is provided with through hole is stretched in the above-mentioned U type jaw and be hinged by bearing pin 3-2; The outer end of this connecting rod 1-3 is provided with external screw thread, and it forms with the center screw that adapter sleeve 1-1 is provided with and is threaded, and by nut 1-2 locking, it is hinged by bearing pin that this adapter sleeve 1-1 and power are regulated rocking arm 6.This connecting rod assembly 1 has the length adjustment function, and it can regulate the length of connecting rod according to actual needs.
Described adjusting rod assembly 4 comprises back adjusting rod 4-1, back nut 4-2, the Adjusting bolt Adjusting screw 4-3 that is provided with center screw, preceding nut 4-4 and preceding adjusting rod 4-5.Wherein: the inner of described back adjusting rod 4-1 is provided with U type jaw and the vertical through hole that passes above-mentioned U type jaw, and the middle part that intermediate arm is provided with through hole is stretched in the above-mentioned U type jaw and be hinged by bearing pin 3-1; The outer end of this back adjusting rod 4-1 forms with the inside and outside two ends of Adjusting bolt Adjusting screw 4-3 respectively with the inner of preceding adjusting rod 4-5 and is threaded, and respectively by back nut and preceding nut check; The outer end of adjusting rod 4-5 and the feedback arm 5-1 in the dispenser assembly 5 are hinged by bearing pin before being somebody's turn to do.
Described outer lift arm 2 is provided with open trough 2-1 and the vertical through hole that passes above-mentioned open trough 2-1, and intermediate arm 3 is provided with the upper end of through hole and stretches among the above-mentioned open trough 2-1, and hinged by bearing pin 2-2.
Operation principle of the present utility model is:
In the lifter course of work, the effect of this feedback mechanism is exactly the setting value according to the user, it feeds back to feedback arm 5-1 in the dispenser assembly 5 by corner amount, the farm implements of outer lift arm 2 being subjected to behind the soil resistance decrement to the power regulating spring, and then the control dispenser main valve goes back to the neutral position, so that farm implements remain in the position and duty of setting.In immediately, because of distributor not to the oil cylinder fuel feeding, the lifter attonity is so feedback mechanism is inoperative.
When promoting farm implements, 5-2 upwards pulls with the distributor handle, and the hydraulic oil that oil pump is come flows to hydraulic cylinder by distributor, thereby promotes piston advances forward, and under the drive of hoisting mechanism, outer lift arm begins to rotate up.At this moment, the connecting rod right-hand member can be seen a fulcrum as.When outer lift arm rotates up, it drives intermediate arm and also rotates forward, thereby amount of spin is delivered on the distributor feedback arm by the feedback rod member, the main valve that feedback arm 5-1 promotes in the distributor is again got back to the neutral position, distributor just stops fuel feeding in oil cylinder like this, thereby reaches the purpose of automatic control lift arm position of rotation.The amount of movement of handle is big more, and the process that feedback mechanism control main valve goes back to the neutral position is long more, and the corner of outer lift arm is just big more; In other words, the size of the displacement of handle is directly proportional with the amount of spin of outer lift arm, and this relation realizes by feedback mechanism.
During the decline farm implements, 5-2 pulls downwards with the distributor handle, and the oil in the oil cylinder flows back in the fuel tank by distributor 5 under the effect of farm implements deadweight, drives outer lift arm 2 simultaneously and is rotated down.At this moment, the connecting rod right-hand member can be seen a fulcrum as.When outer lift arm is rotated down, it drives intermediate arm 3 and also rotates backward, thereby amount of spin is delivered on the distributor feedback arm by the feedback rod member, the main valve that feedback arm 5-1 promotes in the distributor is again got back to the neutral position, distributor just cuts off the oil that returns fuel tank from oil cylinder like this, thereby reaches the circle round purpose of position of automatic control lift arm.The handle amount of movement is big more, and the process that feedback mechanism control main valve goes back to the neutral position is long more, and the corner of outer lift arm is just big more.
When carrying out farmland operation, the farm implements operation of burying, power was regulated and was worked this moment.When soil hardness changed or meet with obstruction thing, farm implements were just by upper connecting rod compression stress regulating spring, and rocking arm moves thereupon backward; feedback mechanism just promotes feedback arm main valve is controlled; lifter is produced promote action, farm implements are mentioned, farm implements are protected.Resistance was after the past, and the power regulating spring resets, the reach of pulling rocking arm, and feedback mechanism just spurs feedback arm main valve is controlled, and makes lifter produce down maneuver, makes farm implements get back to original operating position.
Claims (3)
1. external high-power lifter feedback mechanism, comprise the feedback arm (5-1) in connecting rod assembly (1), intermediate arm (3), adjusting rod assembly (4) and the distributor (5), preceding adjusting rod (4-5) in this adjusting rod assembly (4) is hinged by bearing pin with the feedback arm (5-1) in the dispenser assembly (5), it is characterized in that:
The inner of connecting rod (1-3) is the U type jaw that has through hole in a, the described connecting rod assembly (1), and intermediate arm (3) has the lower end of through hole and stretches in the above-mentioned U type jaw, and hinged by bearing pin (3-2);
The upper end that b, this intermediate arm (3) are provided with through hole is stretched in the open trough (2-1) that outer lift arm (2) is provided with through hole, and hinged by bearing pin (2-2);
Back adjusting rod (4-1) in c, this adjusting rod assembly (4) is provided with the U type jaw that has through hole, and intermediate arm (3) has the middle part of through hole and stretches in the above-mentioned U type jaw, and hinged by bearing pin (3-1).
2. external high-power lifter feedback mechanism according to claim 1, it is characterized in that: described connecting rod assembly (1) is made of connecting rod (1-3), adapter sleeve (1-1) and nut (1-2), the outer end of this connecting rod (1-3) is provided with external screw thread, it forms with the center screw that adapter sleeve is provided with and is threaded, and by nut (1-2) locking, this adapter sleeve (1-1) is hinged by bearing pin with power adjusting rocking arm (6).
3. external high-power lifter feedback mechanism according to claim 1 and 2, it is characterized in that: described adjusting rod assembly (4) comprises back adjusting rod (4-1), back nut (4-2), Adjusting bolt Adjusting screw (4-3), preceding nut (4-4) and preceding adjusting rod (4-5), this back adjusting rod (4-1) forms with the two ends of Adjusting bolt Adjusting screw (4-3) respectively with preceding adjusting rod (4-5) and is threaded, and respectively by back nut and preceding nut check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202253038U CN201479564U (en) | 2009-08-27 | 2009-08-27 | External feedback mechanism of high-powered elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202253038U CN201479564U (en) | 2009-08-27 | 2009-08-27 | External feedback mechanism of high-powered elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479564U true CN201479564U (en) | 2010-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202253038U Expired - Lifetime CN201479564U (en) | 2009-08-27 | 2009-08-27 | External feedback mechanism of high-powered elevator |
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| Country | Link |
|---|---|
| CN (1) | CN201479564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777934A (en) * | 2016-02-26 | 2018-11-09 | 库恩股份有限公司 | The operation element of farming machine with the system for adjusting lower pressure |
-
2009
- 2009-08-27 CN CN2009202253038U patent/CN201479564U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777934A (en) * | 2016-02-26 | 2018-11-09 | 库恩股份有限公司 | The operation element of farming machine with the system for adjusting lower pressure |
| CN108777934B (en) * | 2016-02-26 | 2021-10-15 | 库恩股份有限公司 | Working element of an agricultural machine with a system for adjusting the downforce |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG HONGYU AGRICULTURAL MACHINERY CO., LTD. Free format text: FORMER NAME: SHANDONG HONGYU MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 264006 No. 3, Hongyu Road, tiger cliff economic and Technological Industrial Park, Shandong, Laizhou Patentee after: SHANDONG HONGYU MACHINERY CO., LTD. Address before: 261400 No. 99 Wen Quan Dong Road, Laizhou, Shandong Patentee before: Shandong Hongyu Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |