CN87212807U - Hydraulic brake jointer for agricultural trailer - Google Patents
Hydraulic brake jointer for agricultural trailer Download PDFInfo
- Publication number
- CN87212807U CN87212807U CN 87212807 CN87212807U CN87212807U CN 87212807 U CN87212807 U CN 87212807U CN 87212807 CN87212807 CN 87212807 CN 87212807 U CN87212807 U CN 87212807U CN 87212807 U CN87212807 U CN 87212807U
- Authority
- CN
- China
- Prior art keywords
- brake
- brake cylinder
- small
- master brake
- wheel tractor
- 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.)
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Abstract
The utility model discloses a hydraulic brake jointer for agricultural trailer, which is suitable for the small four wheel tractor hung on the agricultural trailer. The hydraulic check unit comprises two important parts of a sealing hydraulic system and a mechanical connection system. The sealing hydraulic system comprises a brake master cylinder, a brake and a connecting line. The mechanical connection system comprises an eccentric clamping mechanism, a link span of the brake master cylinder, a push rod, a brake rocker arm, and a semiaxis sleeve pipe of the small four wheel tractor, and a brake pedal. The utility model adopts the eccentric clamping mechanism, the brake master cylinder can be easily fixed on the small four wheel tractor achieving the braking to the agricultural trailer, and the brake master cylinder can be easily taken off without breaking the oil circuit making the small four wheel tractor work separately. The utility model improves the braking safety and the reliability for the agricultural trailer.
Description
The utility model belongs to the liquid resistance drg, is applicable to the small four-wheel tractor of hanging farm trailer.
Hang the braking problem that farm trailer transports, the configuration brake device that has in order to solve small four-wheel tractor.The configuration oil brake that has.Brake device complex structure, cost height; The braking quality of oil brake is unreliable, because small four-wheel tractor often separates with farm trailer, in order to guarantee the strict seal of hydraulic system pipeline, usually adopt the attaching parts of quick coupling as sealing pipeline, because of often disconnecting, the time one is long in use for this attaching parts, have a spot of gas and enter sealing pipeline, also can lose a part of braking liquid simultaneously, the time one is long, can cause deceleration and stopping performance to reduce or brake failure.
The purpose of this utility model is a kind of new hydraulic braking connecting device of design, and the parts of this hydraulic brake system are installed on small four-wheel tractor and the farm trailer, by stepping on the brake pedal on the small four-wheel tractor, realizes the reliable braking to farm trailer.
The utility model includes sealed hydraulic system and mechanical connection system two large divisions, and the sealed hydraulic system comprises master brake cylinder, drg and connecting line, and drg is placed on the axletree of farm trailer, becomes to be tightly connected with master brake cylinder by connecting line; Master brake cylinder (12) is placed on the farm trailer frame; Mechanical connection system is on comprising small four-wheel tractor axle tube and the brake pedal, also comprise eccentric clamping mechanism, master brake cylinder link span, push rod and brake rocker arm, eccentric clamping mechanism is connected with the master brake cylinder link span, the master brake cylinder link span is installed on the axle tube of small four-wheel tractor, one end of push rod is plugged on the piston of master brake cylinder, the other end of push rod is connected with brake rocker arm, and brake rocker arm is installed on the brake pedal.
The utility model is owing to adopted eccentric clamping mechanism, not only can be fixed on master brake cylinder on the small four-wheel tractor very easily farm trailer is realized braking, can take off from small four-wheel tractor very easily again and make the small four-wheel tractor separate operaton.This bindiny mechanism has solved the line seal problem of hydraulic efficiency pressure system between small four-wheel tractor and the farm trailer, thereby has realized safe, the reliable braking to farm trailer.
Below, describe concrete structure of the present utility model and working process in detail by drawings and Examples.
Accompanying drawing has provided constructional drawing of the present utility model, and wherein, Fig. 1 is a front view, and Fig. 2 is a birds-eye view, and Fig. 3 is a left view.Among the figure, (1) is brake rocker arm, (2) be push rod, (3) be clevis bolt, (4) be the master brake cylinder link span, (5) for clamping clamp, (6) be the cam lock mandrel, (7) be clamping body, (8) be drg, (9) be threeway, (10) be metal tube, (11) be high pressure hose, (12) be master brake cylinder, (13) be piston, (14) be dustproof figure, (15) be axle tube, (16) be brake pedal, (17) be adaptor union, (18) be connecting line, (19) be eccentric clamping mechanism, connecting line (18) is by threeway (9), metal tube (10), high pressure hose (11) and adaptor union (17) are formed, and eccentric clamping mechanism (19) is by clamping clamp (5), cam lock mandrel (6) and clamping body (7) are formed.
Embodiment:
Parts selection of the present utility model and processing request are as follows:
Brake rocker arm (1) can be selected magnesium iron or ductile castiron for use, makes as QT42-10; Push rod (2) and clevis bolt can select for use the 45# steel to do; Brake total # link span (4) and master brake cylinder (12) and can select cast iron for use, make as HT20-40, wherein will to reach Ra be 0.2 to master brake cylinder (12) endoporus processing roughness; Clamping clamp (5) selects for use dead-soft steel to make; Cam lock mandrel (6) and clamping body (7) select for use the 45# steel to do, and wherein the processing roughness Ra of cam lock mandrel (6) is 6.3; Drg (8) is selected Beijing 130 back brake disc assemblies for use; Threeway (9) and metal tube (10) select for use copper material to make, and be withstand voltage greater than 100Kg/Cm
2Adaptor union (17) is done with steel, and is withstand voltage greater than 100Kg/Cm
2High pressure hose (11) is selected for use withstand voltage greater than 100Kg/Cm
2India rubber tube; Dust ring (14) selects for use rubber to make.
After above-mentioned parts are processed on request and are ready to, its assembling sequence is: the axis hole of cam lock mandrel (6) being put into master brake cylinder link span (4), again clamping body (7) is installed in the eccentric orfice of cam lock mandrel (6), by clamping clamp (5) chucking, then master brake cylinder link span (4) is connected on the small four-wheel tractor axle tube (15) by clevis bolt (3), one end of push rod (2) puts the hole that dust ring (14) passes master brake cylinder link span (4), be plugged on the piston (13) of master brake cylinder (12), the other end of push rod (2) links together with the brake rocker arm (1) that is connected on the brake pedal (16), so far, finish the installation of mechanical connecting part.Drg (8) is installed on the axletree of farm trailer, is connected with the oil outlet of master brake cylinder (12) on being placed on the farm trailer frame by metal tube (10), threeway (9), adaptor union (17) and high pressure hose (11), forms the leak free hydraulic efficiency pressure system.When farm trailer and small four-wheel tractor fuse operation, master brake cylinder (12) is taken off from the farm trailer frame, put into master brake cylinder link span (4) hole, rotate cam lock mandrel (6), by clamping clamp (5) master brake cylinder (12) is fixed on the clamping body (7), is connected as a single entity with small four-wheel tractor.When farm trailer separates with small four-wheel tractor, decontrol and clamp clamp (5), backward rotation cam lock mandrel (6), just can take off master brake cylinder (12) from master brake cylinder link span (4), be placed on the farm trailer frame.The combination of mechanical connection system and sealed hydraulic system with separate, simple, need not disconnect hydraulic tubing.
The principle of work of this hydraulic braking connecting device is: step on brake pedal (16), by brake rocker arm (1), push rod (2) piston (13) of master brake cylinder (12) is moved, braking liquid in the compression brake master cylinder (12), braking liquid is passed to drg (8) to pressure by connecting line (18), realizes braking.
Claims (3)
1, a kind of hydraulic braking connecting device of farm trailer, be applicable to the small four-wheel tractor of hanging farm trailer, this hydraulic brake system includes sealed hydraulic system and mechanical connection system two large divisions, mechanical connection system comprises axle tube (15) and the brake pedal (16) on the small four-wheel tractor, it is characterized in that: the sealed hydraulic system comprises master brake cylinder (12), drg (8) and connecting line (18), drg (8) is placed on the axletree of farm trailer, become to be tightly connected with master brake cylinder (12) by connecting line (18), master brake cylinder (12) is placed on the farm trailer frame; Mechanical connection system also comprises eccentric clamping mechanism (19), master brake cylinder link span (4), push rod (2) and brake rocker arm (1), eccentric clamping mechanism (19) is connected with master brake cylinder link span (4), master brake cylinder link span (4) is installed on the axle tube (15), one end of push rod (2) is plugged on the piston (13) of master brake cylinder (12), the other end of push rod (2) is connected with brake rocker arm (1), and brake rocker arm (1) is installed on the brake pedal (16).
2,, it is characterized in that described eccentric clamping mechanism (19) forms by clamping clamp (5), cam lock mandrel (6) and clamping body (7) according to the hydraulic braking connecting device of the said farm trailer of claim 1.
3,, it is characterized in that described connecting line (18) is made up of threeway (9), metal tube (10), high pressure hose (11) and adaptor union (17) according to the hydraulic braking connecting device of the said farm trailer of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212807 CN87212807U (en) | 1987-11-26 | 1987-11-26 | Hydraulic brake jointer for agricultural trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212807 CN87212807U (en) | 1987-11-26 | 1987-11-26 | Hydraulic brake jointer for agricultural trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87212807U true CN87212807U (en) | 1988-08-24 |
Family
ID=4827409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87212807 Withdrawn CN87212807U (en) | 1987-11-26 | 1987-11-26 | Hydraulic brake jointer for agricultural trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87212807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232466A (en) * | 2021-05-21 | 2021-08-10 | 福建盛海智能科技有限公司 | Trailer collision brake |
-
1987
- 1987-11-26 CN CN 87212807 patent/CN87212807U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232466A (en) * | 2021-05-21 | 2021-08-10 | 福建盛海智能科技有限公司 | Trailer collision brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |