CN202669945U - Double-shaft double-floating supporting dolly of caterpillar tractor - Google Patents
Double-shaft double-floating supporting dolly of caterpillar tractor Download PDFInfo
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- CN202669945U CN202669945U CN 201220191278 CN201220191278U CN202669945U CN 202669945 U CN202669945 U CN 202669945U CN 201220191278 CN201220191278 CN 201220191278 CN 201220191278 U CN201220191278 U CN 201220191278U CN 202669945 U CN202669945 U CN 202669945U
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Abstract
The utility model relates to a double-shaft double-floating supporting dolly of a caterpillar tractor, and belongs to the technical field of the caterpillar tractor. The double-shaft double-floating supporting dolly of the caterpillar tractor comprises balance arm mechanisms and supporting wheel mechanisms, wherein the two supporting wheel mechanisms are arranged on the two balance arm mechanisms. The double-shaft double-floating supporting dolly of the caterpillar tractor is characterized in that the balance arm mechanisms comprise balance arms, big springs, small springs, sealed spring components, dolly shaft seats, balance arm inner shaft sleeves, balance arm outer shaft sleeves and dolly end covers. Two swing shafts are fixed on the dolly shaft seat through swing shaft fixing disks and bolts, and the dolly shaft seats are fixed on a caterpillar band support of the caterpillar tractor through locating pins and the fixing bolts. Compared to the prior art, the double-shaft double-floating supporting dolly of the caterpillar tractor is characterized in that structure design is reasonable, rigidity of structure of the supporting dolly is increased, shock resistant capacity of the dolly is improved, and stability and service life of the supporting dolly are improved. The supporting dolly has good carrying capacity, and is reliable in working.
Description
Technical field
The utility model relates to the two unsteady bogies of a kind of crawler-tread tractor twin shaft, belongs to the crawler-tread tractor technical field.
Background technology
Traditional crawler-tread tractor bogie is single pendulum moving axis elastic construction at present, and its structural rigidity and load-carrying capacity thereof are lower, easily causes the equilibrium arm fracture, thereby affects service life and the stability of complete machine.
Summary of the invention
The purpose of this utility model is to overcome existing above-mentioned deficiency in the prior art, and provides a kind of crawler-tread tractor twin shaft two unsteady bogies, can adapt to well the uneven situation in ground, has again good load-carrying capacity, reliable operation, long service life.
The utility model solves the problems of the technologies described above the technical scheme that adopts: the two unsteady bogies of this crawler-tread tractor twin shaft, comprise equilibrium arm mechanism and caterpillar wheel mechanism, described two caterpillar wheel mechanisms are installed in two equilibrium arm mechanisms, it is characterized in that: described equilibrium arm mechanism comprises equilibrium arm, big spring, little spring, the Packing spring assembly, the chassis axle bed, the equilibrium arm internal axle sleeve, the equilibrium arm outer shaft, oscillating axle and chassis end cap, described two oscillating axles are packed on the chassis axle bed with oscillating axle reaction plate and bolt, and the chassis axle bed is fixed on the crawler rack of crawler-tread tractor with locating dowel pin and bolt of rear end plate, be set with Packing spring on the oscillating axle, the equilibrium arm internal axle sleeve, equilibrium arm outer shaft and equilibrium arm, big spring, little spring is fitted in the spring perch on the equilibrium arm, and use the oscillating axle platen, lock pin, lock washer and chassis shaft locking bolt, swing axis hole on the equilibrium arm and oscillating axle normal-running fit are made axial location, lubricating cup is equipped with in chassis shaft locking bolt end, is fixed with the chassis end cap at the oscillating axle hole end surface of equilibrium arm by bolt and shaft-cup pad.
Caterpillar wheel described in the utility model mechanism comprises caterpillar wheel, supporting wheel shaft, capsul, tapered roller bearing and floating sealing base, described two caterpillar wheels are installed with the two ends of supporting wheel shaft by key and are connected, caterpillar wheel and supporting wheel shaft are by the chassis pad, No. three O type circles and caterpillar wheel lock bolt 29 are connected and fixed, two tapered roller bearings are installed on two ends, the middle part diameter of axle of supporting wheel shaft, two capsuls are installed on the inner ring external diameter of two caterpillar wheels, between capsul and tapered roller bearing face of joint adjusting pad is housed, the V-seal ring is housed in the capsul successively, floating sealing base, an O type circle, fluctuate hermetical ring and No. two O type circles are equipped with the capsul rubber ring and also are connected and fixed with the capsul bolt of rear end plate between capsul and equilibrium arm face of joint.
Be pressed with a pair of face-to-face tapered roller bearing supporting supporting wheel shaft in the caterpillar wheel axis hole of equilibrium arm of the present utility model, the tapered roller bearing outer end is set with capsul, fluctuate hermetical ring and O type circle, floating sealing base successively, with the caterpillar wheel lock bolt caterpillar wheel is packed on the supporting wheel shaft, one group of adjustment pad by increase and decrease capsul and tapered roller bearing face of joint, the play that guarantees a pair of tapered roller bearing reaches operating needs, equilibrium arm swings the axis hole two ends and is pressed with respectively the inside and outside axle sleeve of equilibrium arm, makes caterpillar wheel rotary balance on equilibrium arm; Two oscillating axles are packed on the chassis axle bed with bolt and platen, consist of double pendulum moving axis structure, and on oscillating axle, be set with successively Packing spring assembly and two balance arm components, and with locating dowel pin, oscillating axle platen, lock washer and chassis shaft locking bolt equilibrium arm is positioned at its axial movement value of limit rotation on the oscillating axle; Lubricating cup is equipped with in chassis shaft locking bolt end, with grease up; Be fixed with the chassis end cap at equilibrium arm oscillating axle outer end of hole by bolt, to reach protection, dustproof purpose; In the spring perch of large and small pressure mounting of the spring on equilibrium arm, make it consist of one semi-rigid, increased like this rigidity of bogie, and the chassis mean forced is assigned on two oscillating axles, make the bogie structural rigidity increase, promote the impact resistance of chassis, thereby improved stability and the service life of bogie; The utility model is being designed to symmetrical structure, and all antimere parts are interchangeable, reduced productive costs, made things convenient for again production control.
The utility model is compared the effect that has with background technology: reasonable in design, the bogie structural rigidity increases, and has promoted the impact resistance of chassis, has good load-carrying capacity, reliable operation, stability and the service life of having improved bogie.
Description of drawings
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure birds-eye view of the present utility model.
Fig. 3 is structure caterpillar wheel of the present utility model mechanism cutaway view.
Among the figure: 1 equilibrium arm, 2 caterpillar wheels, 3 big springs, 4 little springs, 5 chassis axle beds, 6 equilibrium arm internal axle sleeves, 7 equilibrium arm outer shafts, 8 oscillating axles, 9 oscillating axle platens, 10 lock pins, 11 chassis end caps, 12 chassis shaft locking bolts, 13 lubricating cups, 14 lock washers, 15 shaft-cup pads, 16 Packing spring assemblies, 17 bolts, 18 oscillating axle reaction plates, 19 locating dowel pins, 20 bolt of rear end plates, 21 plug screws, 22 tapered roller bearings, 23 capsuls, 24 V-seal rings, 25 floating sealing bases, No. 26 O type circles, 27 chassis pads, 28 No. two O type circles, 29 caterpillar wheel lock bolts, 30 keys, 31 supporting wheel shafts, 32 No. three O type circles, 33 fluctuate hermetical rings, 34 capsul bolt of rear end plates, 35 capsul rubber rings, 36 adjusting pads, I caterpillar wheel mechanism, II equilibrium arm mechanism.
The specific embodiment
The specific embodiment of the present utility model is as follows:
Embodiment, with reference to figure 1～Fig. 3, the utility model comprises equilibrium arm mechanism II and caterpillar wheel mechanism I, two caterpillar wheel mechanism I are installed on two equilibrium arm mechanism II, equilibrium arm mechanism II comprises equilibrium arm 1, big spring 3, little spring 4, Packing spring assembly 16, chassis axle bed 5, equilibrium arm internal axle sleeve 6, equilibrium arm outer shaft 7, oscillating axle 8 and chassis end cap 11, two oscillating axle 8 usefulness oscillating axle reaction plates 18 and bolt 17 are packed on the chassis axle bed 5, and chassis axle bed 5 usefulness locating dowel pins 19 and bolt of rear end plate 20 are fixed on the crawler rack of crawler-tread tractor, be set with Packing spring assembly 16 on the oscillating axle 8, equilibrium arm internal axle sleeve 6, equilibrium arm outer shaft 7 and equilibrium arm 1, big spring 3, little spring 4 is fitted in the spring perch on the equilibrium arm 1, and with oscillating axle platen 9, lock pin 10, lock washer 14 and chassis shaft locking bolt 12, swing axis hole on the equilibrium arm 1 and oscillating axle 8 normal-running fiies are made axial location, lubricating cup 13 is equipped with in chassis shaft locking bolt 12 ends, is fixed with chassis end cap 11 at the oscillating axle hole end surface of equilibrium arm 1 by bolt and shaft-cup pad 15; Caterpillar wheel mechanism I comprises caterpillar wheel 2, supporting wheel shaft 31, capsul 23, tapered roller bearing 22 and floating sealing base 25, two caterpillar wheels 2 are installed with the two ends of supporting wheel shaft 31 by key 30 and are connected, caterpillar wheel 2 passes through chassis pad 27 with supporting wheel shaft 31, No. three O type circles 32 and caterpillar wheel lock bolt 29 are connected and fixed, two tapered roller bearings 22 are installed on two ends, the middle part diameter of axle of supporting wheel shaft 31, two capsuls 23 are installed on the inner ring external diameter of two caterpillar wheels 31, between capsul 23 and tapered roller bearing 22 face of joints adjusting pad 36 is housed, V-seal ring 24 is housed in the capsul 23 successively, floating sealing base 25, an O type circle 26, fluctuate hermetical ring 33 and No. two O type circles 28 are equipped with capsul rubber ring 35 and also are connected and fixed with capsul bolt of rear end plate 34 between capsul 23 and equilibrium arm 1 face of joint.
The working process of the two unsteady bogies of a kind of crawler-tread tractor twin shaft that the utility model provides is described below.
Be pressed with a pair of face-to-face tapered roller bearing 22, supporting supporting wheel shaft 31 in the caterpillar wheel axis hole of equilibrium arm 1 of the present utility model, tapered roller bearing 22 outer ends are set with adjusting pad 36, capsul rubber ring 35, capsul 23, fluctuate hermetical ring 33 and No. three O type circles 32, V-seal ring 24, O type circle 26, floating sealing base 25, caterpillar wheel 2, No. two O type circles 28 successively, and caterpillar wheel 2 is packed on the supporting wheel shaft 31 by key 30, chassis pad 27 and caterpillar wheel lock bolt 29; Adjust the play that guarantees a pair of tapered roller bearing 22 by increase and decrease adjusting pad 36, caterpillar wheel 2 is rotated on equilibrium arm 1 evenly; Under the sealing function of capsul rubber ring 35, fluctuate hermetical ring 33 and No. three O type circles 32, an O type circle 26, No. two O type circles 28, form airtight lubricant reservoir, lubricating oil storage volume is provided, carry out the oiling of chassis and drain the oil by plug screw 21; Capsul 23, V-seal ring 24, floating sealing base 25 interact, and form the sealing of first protection against dust, stop dust and muddy water to enter into the floating sealing ring position; Each Assembly of the parts puts in place, realizes fluctuate hermetical ring 33 needed seal pressures by the accessory size chain, stops the immersion of outside muddy water and leaking of internal lubrication oil; Two oscillating axle 8 usefulness bolts 17 and oscillating axle reaction plate 18 are packed on the chassis axle bed 5, consist of double pendulum moving axis structure; Be pressed with equilibrium arm internal axle sleeve 6, equilibrium arm outer shaft 7 in the swing axis hole of equilibrium arm 1, on oscillating axle, be set with successively Packing spring assembly 16 and equilibrium arm 1, with lock pin 10, oscillating axle platen 9, lock washer 14, chassis shaft locking bolt 12 equilibrium arm 1 is sleeved on rotation on the oscillating axle 8, the axial movement value of limiting balance arm 1; Lubricating cup 13 is equipped with in chassis shaft locking bolt 12 ends, with grease up; Swing the axis hole outside at equilibrium arm 1 and be fixed with shaft-cup pad 15, chassis end cap 11 by bolt, to reach protection, dustproof purpose; Big spring 3, little spring 4 are fitted in the spring perch on the equilibrium arm 1, make it consist of one semi-rigid, and the chassis mean forced is assigned on two oscillating axles 8, the bogie structural rigidity is increased, promoted the impact resistance of chassis, thereby improved stability and the service life of bogie.
The utility model is symmetrical structure, and all antimere parts are interchangeable, both reduced productive costs, made things convenient for again production control.
According to above disclosed content, those skilled in the art can implement.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (2)
1. two unsteady bogies of a crawler-tread tractor twin shaft, comprise equilibrium arm mechanism and caterpillar wheel mechanism, described two caterpillar wheel mechanisms are installed in two equilibrium arm mechanisms, it is characterized in that: described equilibrium arm mechanism comprises equilibrium arm, big spring, little spring, the Packing spring assembly, the chassis axle bed, the equilibrium arm internal axle sleeve, the equilibrium arm outer shaft, oscillating axle and chassis end cap, described two oscillating axles are packed on the chassis axle bed with oscillating axle reaction plate and bolt, and the chassis axle bed is fixed on the crawler rack of crawler-tread tractor with locating dowel pin and bolt of rear end plate, be set with the Packing spring assembly on the oscillating axle, the equilibrium arm internal axle sleeve, equilibrium arm outer shaft and equilibrium arm, big spring, little spring is fitted in the spring perch on the equilibrium arm, and use the oscillating axle platen, lock pin, lock washer and chassis shaft locking bolt, swing axis hole on the equilibrium arm and oscillating axle normal-running fit are made axial location, lubricating cup is equipped with in chassis shaft locking bolt end, is fixed with the chassis end cap at the oscillating axle hole end surface of equilibrium arm by bolt and shaft-cup pad.
2. two unsteady bogies of crawler-tread tractor twin shaft according to claim 1, it is characterized in that: described caterpillar wheel mechanism comprises caterpillar wheel, supporting wheel shaft, capsul, tapered roller bearing and floating sealing base, described two caterpillar wheels are installed with the two ends of supporting wheel shaft by key and are connected, caterpillar wheel and supporting wheel shaft are by the chassis pad, No. three O type circles and caterpillar wheel lock bolt are connected and fixed, two tapered roller bearings are installed on two ends, the middle part diameter of axle of supporting wheel shaft, two capsuls are installed on the inner ring external diameter of two caterpillar wheels, between capsul and tapered roller bearing face of joint adjusting pad is housed, the V-seal ring is housed in the capsul successively, floating sealing base, an O type circle, fluctuate hermetical ring and No. two O type circles are equipped with the capsul rubber ring and also are connected and fixed with the capsul bolt of rear end plate between capsul and equilibrium arm face of joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191278 CN202669945U (en) | 2012-05-02 | 2012-05-02 | Double-shaft double-floating supporting dolly of caterpillar tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191278 CN202669945U (en) | 2012-05-02 | 2012-05-02 | Double-shaft double-floating supporting dolly of caterpillar tractor |
Publications (1)
| Publication Number | Publication Date |
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| CN202669945U true CN202669945U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220191278 Expired - Fee Related CN202669945U (en) | 2012-05-02 | 2012-05-02 | Double-shaft double-floating supporting dolly of caterpillar tractor |
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| CN (1) | CN202669945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620198A (en) * | 2016-01-12 | 2016-06-01 | 中山市德斯邦电子科技有限公司 | Vibration-preventing sliding wheel |
| CN105035195B (en) * | 2015-07-14 | 2017-07-07 | 河南科技大学 | A kind of bogie frame BOGEY WHEEL buffer unit for encapsulating |
| CN109383653A (en) * | 2017-08-10 | 2019-02-26 | 益阳天华两栖车艇有限公司 | A kind of damping device of supporting wheel systems |
| CN109562800A (en) * | 2016-08-02 | 2019-04-02 | 凯斯纽荷兰(中国)管理有限公司 | Caterpillar system for working truck |
-
2012
- 2012-05-02 CN CN 201220191278 patent/CN202669945U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035195B (en) * | 2015-07-14 | 2017-07-07 | 河南科技大学 | A kind of bogie frame BOGEY WHEEL buffer unit for encapsulating |
| CN105620198A (en) * | 2016-01-12 | 2016-06-01 | 中山市德斯邦电子科技有限公司 | Vibration-preventing sliding wheel |
| CN109562800A (en) * | 2016-08-02 | 2019-04-02 | 凯斯纽荷兰(中国)管理有限公司 | Caterpillar system for working truck |
| CN109562800B (en) * | 2016-08-02 | 2022-02-11 | 凯斯纽荷兰(中国)管理有限公司 | Track system for work vehicle |
| CN109383653A (en) * | 2017-08-10 | 2019-02-26 | 益阳天华两栖车艇有限公司 | A kind of damping device of supporting wheel systems |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, the new 311228 Bay Street Xiaoshan District No. 1 Linglu Sheng Patentee after: HANGZHOU GEGAO MACHINE CO., LTD. Address before: Hangzhou City, Zhejiang Province, the new 311228 Bay Street Xiaoshan District No. 1 Linglu Sheng Patentee before: Hangzhou Gegao Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150502 |
|
| EXPY | Termination of patent right or utility model |