CN202124033U - Novel bulldozer braking device - Google Patents
Novel bulldozer braking device Download PDFInfo
- Publication number
- CN202124033U CN202124033U CN2011201915230U CN201120191523U CN202124033U CN 202124033 U CN202124033 U CN 202124033U CN 2011201915230 U CN2011201915230 U CN 2011201915230U CN 201120191523 U CN201120191523 U CN 201120191523U CN 202124033 U CN202124033 U CN 202124033U
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- braking
- hub
- brake
- connecting rod
- pedal
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Abstract
A novel bulldozer braking device comprises a braking pedal, a connecting rod, a rocker arm, a braking valve, pistons, spline housings, output shafts, bearing blocks, large braking springs, small braking springs, friction plates, outer casings, outer tooth plates, outer braking hubs and inner braking hubs. The pedal is connected with the connecting rod; the connecting rod is connected with the braking valve through the rocker arm; the braking valve controls two ways of hydraulic oil flowing to a central transmission case; each outer braking hub is combined with the corresponding outer tooth plate; each inner braking hub is connected with the corresponding friction plate through a gear and connected with the corresponding spline housing through a bolt; each spline housing is connected with the corresponding output shaft through a spline; each large braking spring and each small braking spring are mounted between the corresponding outer casing and the corresponding piston; the braking pedal is connected with the braking valve through the connecting rod and the rocker arm; the pistons are capable of moving axially; and each friction plate of a clutch is meshed with the corresponding inner braking hub. The novel bulldozer braking device is operated by the single pedal, operating comfortableness is improved, abrasion and energy consumption are reduced, and safety is enhanced.
Description
Technical field
The utility model relates to the construction machinery and equipment auxiliary device, relates in particular to a kind of earth mover brake equipment.
Background technology
Traditional bulldozer brake system generally is to come left and right sides drg is controlled respectively through control left and right sides brake pedal, thereby accomplishes the braking maneuver of bulldozer, and drg is generally brake collar.This kind mode needs the operator to step on down left and right sides brake pedal respectively with left and right sides pin simultaneously; In braking procedure; Coordination property difference has deficiencies such as left and right sides brake pedal close look at the swing property is poor, operation comfort difference, owing to also can cause bulldozer problem to occur slightly turning at glancing impact.Adopt the brake collar braking to have shortcomings such as easy to wear, that energy consumption is big, efficient is low.
Summary of the invention
The purpose of the utility model is, overcomes the weak point of prior art, and a kind of earth mover brake equipment is provided, and adopts single pedal to handle, and drg adopts brake coupling, has avoided above-mentioned deficiency.
The described a kind of earth mover brake equipment of the utility model includes hub composition in brake pedal, connecting rod, rocking arm, brake activation valve, piston, spline housing, output shaft, bearing seat, braking big spring, braking little spring, friction lining, body skin, outer gear piece, the outer hub of braking and the braking.Pedal is connected with connecting rod; Connecting rod is connected with brake valve by rocking arm; Brake valve control flows to the two-way hydraulic oil of central transmission case; Braking outer hub combines with outer gear piece; Hub is connected by gear with friction plate in the braking; And be connected by bolt with spline housing, spline housing is connected by spline with output shaft, and braking big spring and braking little spring are installed between shell body and the piston.Brake pedal is connected with brake valve by connecting rod and rocking arm; Braking big spring and braking little spring are installed between piston and the shell body; Piston can move vertically; Clutch friction plate and the interior hub engagement of braking; Outer gear piece of clutch and the outer hub engagement of braking; Hub is connected with the spline housing bolt in the braking, and spline housing is connected by spline with output shaft.After stepping on brake pedal; Oil circuit breaks off in the brake valve; Oil pressure disappears between piston and bearing block; Braking big spring and braking little spring compression piston; Make clutch friction plate and outer gear piece combination, two ends brake coupling locking under the frictional force effect makes the outer hub of both sides braking; The stall simultaneously of hub, spline housing and output shaft realizes braking in the braking.Native system is normal open system, and behind the engine off, the oil circuit automatic cutout in the brake activation valve makes bulldozer be in braking mode, starts the logical automatically oil of rear oil duct, brake off.During brake, step on brake pedal, under connecting rod and rocking arm drive; The brake activation valve oil circuit breaks off, and the oil pressure between piston and bearing seat disappears, braking big spring and braking little spring compression piston; Friction lining and outer gear piece in the power-transfer clutch are combined, under the friction force effect, make with outer hub of the braking of clutches engaged and the interior hub of braking to stop operating; Stop operating thereby make and brake the interior bolted spline housing of hub, and then output shaft is stopped operating, realize braking.
Native system is normal open system, and promptly behind the engine off, the oil circuit automatic cutout of brake activation valve makes bulldozer be in braking mode.After the startup, the brake valve oil circuit is opened, and is oil-filled between piston and bearing block; Under the oil pressure effect; Compression brake big spring and braking little spring make and are outwards moved by the piston of spring compression, unclamp friction plate; Frictional force between friction plate and outer gear piece disappears; Brake outer hub, hub in the braking, spline housing; Output shaft recovers action, makes the bull-dozer brake off.After stepping on brake pedal, the oil circuit of main gear case both sides breaks off simultaneously, the retarding spring compression piston; Friction lining in the power-transfer clutch is combined with outer gear piece, and under function of friction, friction lining stops operating with outer gear piece; Interior hub of the braking that is engaged with and the outer hub of braking are stopped operating; Thereby make and brake in the bolted spline housing of hub stop operating, and then make with spline housing spline bonded assembly output shaft and stop operating, realize braking.
The utility model adopts single pedal to handle; Improved operation comfort; Avoided adopting left and right sides pedal respectively glancing impact since conformability bad cause slightly turn to problem, adopt brake coupling to replace traditional brake collar to improve work efficiency, reduced wearing and tearing and energy consumption.Native system adopts system open in usual simultaneously, and flame-out back bulldozer is in braking mode, has improved safety.The utility model integral structure is simple, and is easy for operation, good stability, and reliability is high.
Description of drawings
Accompanying drawing 1 is the structural representation of the said a kind of earth mover brake equipment of the utility model.Hub in 1-brake pedal, 2-connecting rod, the 3-Rocker arm 4-brake activation valve 5-piston 6-spline housing 7-output shaft 8-bearing seat 9-braking big spring 10-outer hub 15 of braking little spring 11-friction lining 12-body skin 13-outer gear piece 14-braking-braking.
The specific embodiment
With reference to accompanying drawing 1; Explain as follows in conjunction with embodiment: the described a kind of earth mover brake equipment of the utility model includes the interior hub 15 of brake pedal 1, connecting rod 2, rocking arm 3, brake activation valve 4, piston 5, spline housing 6, output shaft 7, bearing seat 8, braking big spring 9, braking little spring 10, friction lining 11, body skin 12, outer gear piece 13, the outer hub 14 of braking and braking and forms.Pedal 1 is connected with connecting rod 2; Connecting rod 2 is connected with brake activation valve 4 through rocking arm 3, and brake activation valve 4 control flows are braked outer hub 14 and combined with outer gear piece 13 to the two-way hydraulic oil of main gear case; Hub 15 and friction lining 11 are connected through gear in the braking; And with spline housing 6 through bolted connection, spline housing 6 and output shaft 7 are connected through spline, brake big spring 9 and brake little spring 10 to be installed between body skin 12 and the piston 5.Brake pedal 1 is connected with brake activation valve 4 through connecting rod 2 and rocking arm 3; Braking big spring 9 and braking little spring 10 are installed between piston 5 and the body skin 12; Piston 5 can move vertically, and clutch-lining 11 meshes with the outer hub 14 of braking with interior hub 15 engagements of braking, the outer gear piece 13 of power-transfer clutch; Hub 15 and spline housing 6 bolted connections in the braking, spline housing 6 and output shaft 7 are connected through spline.After stepping on brake pedal 1, oil circuit breaks off in the brake activation valve 4, and 8 oil pressure of piston 5 and bearing seat disappear; Braking big spring 9 and braking little spring 10 compression pistons 5 make clutch-lining 11 and outer gear piece 13 combine two ends brake coupling locking under the friction force effect; Make the outer hub 14 of both sides braking, hub 15 in the braking, spline housing 6; Output shaft 7 stalls simultaneously realize braking.Native system is normal open system, and behind the engine off, the oil circuit automatic cutout in the brake activation valve 4 makes bulldozer be in braking mode, starts the logical automatically oil of rear oil duct, brake off.During brake, step on brake pedal 1, under connecting rod 2 and rocking arm 3 drives; Brake activation valve 4 oil circuits break off, and the oil pressure that piston 5 and bearing seat are 8 disappears, braking big spring 9 and braking little spring 10 compression pistons 5; Friction lining 11 and outer gear piece 12 in the power-transfer clutch are combined, under the friction force effect, make with outer hub 14 of the braking of clutches engaged and the interior hub 15 of braking to stop operating; Stop operating thereby make and brake interior hub 15 bolted spline housings 6, and then output shaft 7 is stopped operating, realize braking.
Native system is normal open system, and promptly behind the engine off, the oil circuit automatic cutout of brake activation valve 4 makes bulldozer be in braking mode.After the startup, brake activation valve 4 oil circuits are opened, and 8 of piston 5 and bearing seats are oil-filled, under the oil pressure effect; Compression brake big spring 9 and braking little spring 10 make and are outwards moved by the piston 5 of spring application, unclamp friction lining 11; The friction force that friction lining 11 and outer gear piece are 13 disappears, and brakes outer hub 14, hub 15 in the braking; Spline housing 6, output shaft 7 recovers action, makes the bulldozer brake off.After stepping on brake pedal, the oil circuit of main gear case both sides breaks off simultaneously, the retarding spring compression piston; Friction lining in the power-transfer clutch is combined with outer gear piece, and under function of friction, friction lining stops operating with outer gear piece; Interior hub of the braking that is engaged with and the outer hub of braking are stopped operating; Thereby make and brake in the bolted spline housing of hub stop operating, and then make with spline housing spline bonded assembly output shaft and stop operating, realize braking.Glancing impact is stepped on brake pedal 1, under the drive of connecting rod 2 and rocking arm 3; Oil circuit breaks off in the brake activation valve 4, and the oil pressure that piston 5 and bearing seat are 8 disappears, braking big spring 9 and braking little spring 10 compression pistons 5; Make the friction lining 11 in the power-transfer clutch combine with outer gear piece 13; Friction lining 11 and outer gear piece 13 stalls under the friction force effect make hub 15 stalls in the outer hub 14 of the braking that is engaged with and the braking, thereby make and brake interior hub 15 bolted spline housing 6 stalls; Finally make output shaft 7 stalls, realize braking.Loosen the brake, the logical oil of brake activation valve oil circuit, 8 of piston 5 and bearing seats are oil-filled, under the oil pressure effect; Compression brake big spring 9 and braking little spring 10 make and are outwards moved by the piston 5 of spring application, unclamp friction lining 11; Thereby the friction force that friction lining 11 and outer gear piece are 13 disappears, and brakes outer hub 14, hub 15 in the braking; Spline housing 6, output shaft 7 recovers action, brake off.The utility model adopts single pedal to handle; Improved operation comfort; Avoided adopting left and right sides pedal respectively glancing impact since conformability bad cause slightly turn to problem, adopt brake coupling to replace traditional brake collar to improve work efficiency, reduced wearing and tearing and energy consumption.Native system adopts system open in usual simultaneously, and flame-out back bulldozer is in braking mode, has improved safety.
Claims (2)
1. earth mover brake equipment; It is characterized in that pedal (1) is connected with connecting rod (2); Connecting rod (2) is connected with brake activation valve (4) through rocking arm (3), and brake activation valve (4) control flows is braked outer hub (14) and combined with outer gear piece (13) to the two-way hydraulic oil of main gear case; Hub (15) is connected through gear with friction lining (11) in the braking; And pass through bolted connection with spline housing (6), spline housing (6) is connected through spline with output shaft (7), and braking big spring (9) and braking little spring (10) are installed between body skin (12) and the piston (5).
2. a kind of earth mover brake equipment according to claim 1; It is characterized in that brake pedal (1) is connected with brake activation valve (4) through connecting rod (2) and rocking arm (3); Braking big spring (9) and braking little spring (10) are installed between piston (5) and the body skin (12); Piston (5) can move vertically, clutch-lining (11) and interior hub (15) engagement of braking, and the outer gear piece (13) of power-transfer clutch meshes with the outer hub of braking (14); Hub (15) and spline housing (6) bolted connection in the braking, spline housing (6) is connected through spline with output shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201915230U CN202124033U (en) | 2011-06-09 | 2011-06-09 | Novel bulldozer braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201915230U CN202124033U (en) | 2011-06-09 | 2011-06-09 | Novel bulldozer braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202124033U true CN202124033U (en) | 2012-01-25 |
Family
ID=45487102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201915230U Expired - Fee Related CN202124033U (en) | 2011-06-09 | 2011-06-09 | Novel bulldozer braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202124033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837694A (en) * | 2012-09-17 | 2012-12-26 | 三一重通机械有限公司 | Electrical control brake system of bulldozer and bulldozer |
-
2011
- 2011-06-09 CN CN2011201915230U patent/CN202124033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837694A (en) * | 2012-09-17 | 2012-12-26 | 三一重通机械有限公司 | Electrical control brake system of bulldozer and bulldozer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20120609 |