CN104477156A - Hydraulic braking device special for heavy-duty truck - Google Patents
Hydraulic braking device special for heavy-duty truck Download PDFInfo
- Publication number
- CN104477156A CN104477156A CN201410823528.9A CN201410823528A CN104477156A CN 104477156 A CN104477156 A CN 104477156A CN 201410823528 A CN201410823528 A CN 201410823528A CN 104477156 A CN104477156 A CN 104477156A
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- China
- Prior art keywords
- hydraulic pump
- hinged
- driving axle
- motor vehicle
- braking
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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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/102—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic in combination with mechanical elements
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention discloses a hydraulic braking device special for a heavy-duty truck. The hydraulic braking device comprises a fixed plate, a hydraulic pump, a gear transmission mechanism, a hydraulic pump engaging and disengaging device and a control device which are arranged on a truck chassis, wherein the hydraulic pump is hinged to the upper surface of the fixed plate, and the axis of the hydraulic pump is parallel to the axis of a truck driving axle; a gear transmission mechanism is arranged between a hydraulic pump driving axle and the truck driving axle; the hydraulic pump engaging and disengaging device for driving the hydraulic pump to rotate about the hinge point of the the hydraulic pump and fixed plate is arranged between the hydraulic pump and the fixed plate; a controllable one-way valve is arranged on an oil inlet pipe of the hydraulic pump. The rotation of the truck driving axle is retarded by taking the hydraulic pump as a resistance device, and resistance opposite to the rotating direction of the truck driving axle is provided for the truck driving axle; moreover, the oil inlet resistance of the hydraulic pump is adjusted through a controllable one-way valve, the magnitude of the braking force is adjusted, and flexible braking is performed without mechanical friction in a braking process, so that braking failures caused by aging of friction parts are avoided, and the driving safety is ensured.
Description
Technical field
The present invention relates to heavy-duty automobile brake auxiliary device technical field, particularly relate to a kind of heavy motor vehicle dedicated hydraulic brake equipment.
Background technology
Brake system is in order to make the external world (mainly road surface) apply certain power in some part of automobile (mainly wheel) on automobile, thus carries out a series of special arrangements of forced brake to a certain degree to it.Brake system effect is: make the automobile in traveling carry out forced deceleration according to the requirement of chaufeur and even stop; The automobile of stagnation of movement is made (to be included on ramp) steadily halt under different kinds of roads condition; The car speed of descent run is made to keep stable.What play brake action to automobile can only be act on automobile and the direction external force contrary with vehicle traveling direction, and the size of these external force is all random, uncontrollable, therefore automobile must be installed a series of special arrangement to realize the function of braking.
Existing brake system of car can be divided into following several according to drive energy:
1) muscular energy brake system---the brake system using the human body of chaufeur as unique braking energy source.
2) dynamic brake system---the brake system completely by being undertaken braking by the air pressure of the power-conversion of driving engine or the potential energy of hydraulic type.
3) servo brake system---dual-purpose manpower and engine power carry out the brake system braked.
Along with the demand for development of automotive automation degree and traveling comfort, existing dilly and heavy-duty vehicle adopt power brake system substantially, especially heavy-duty automobile brake system, substantially be rely on Pneumatic braking system, but, no matter adopt muscular energy braking sytem, power brake system or servo braking system, all rely on friction between brake facing and brake drum or braking clamp to realize wheel braking in braking procedure, brake facing Long-Time Service easily generates heat later, cause brake failure, especially for heavy motor vehicle, need that when long-term descent run instant cooling is carried out to brake drum and ensure braking quality, although can brake sensitivity be ensured to a certain extent, but, brake facing is easily aging, cause brake failure, there is larger potential safety hazard.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of heavy motor vehicle dedicated hydraulic brake equipment, by using Hydraulic Pump as drag devices, in braking procedure, by spragging gear and ring gear engagement, Hydraulic Pump operates under the effect of automobile driving axle, the resistance produced in Hydraulic Pump operation process is driven to slow down the rotation of automobile driving axle, reach the object of brake, installation controllable check valve supporting with Hydraulic Pump oil inlet simultaneously, by controllable check valve adjustment Hydraulic Pump oil-feed resistance, in brake process except gears meshing, wipe without hard grind between brake gear and heavy motor vehicle car body, avoid because the problem causing friction member to lose efficacy is wiped in hard grind, guarantee heavy motor vehicle safe in operation.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of heavy motor vehicle dedicated hydraulic brake equipment, comprise the adapter plate be arranged on car chassis, Hydraulic Pump, gear drive, Hydraulic Pump arrangement of clutch and control setup, described Hydraulic Pump and adapter plate upper surface hinged, and the axis being parallel of its axis and automobile driving axle, between described hydraulic pump driveshaft and automobile driving axle, gear drive is set, the Hydraulic Pump arrangement of clutch for driving Hydraulic Pump to rotate around itself and adapter plate hinged place is provided with between described Hydraulic Pump and adapter plate, described Hydraulic Pump oil inlet is provided with controllable check valve.
Described adapter plate upper surface is provided with bearing, described Hydraulic Pump shell by bearing pin and bearing hinged.
Described Hydraulic Pump arrangement of clutch is cylinder, and the hinged ear that the piston rod end of described cylinder and Hydraulic Pump shell are arranged is hinged, described cylinder tail end by means of bearing pin and hinged-support hinged.
Described hydraulic pump drive end is provided with ring gear, and described automobile driving axle is provided with driving gear, and described driving gear engages with ring gear.
Described controllable check valve is electromagnetic valve, and described solenoid control end is all connected with control setup with cylinder control end.
Described control setup is PLC module.
The beneficial effect adopting technique scheme to produce is: the rotation being slowed down automobile driving axle by use Hydraulic Pump as drag devices, for automobile driving axle provides the resistance contrary with its hand of rotation, and the oil-feed resistance of Hydraulic Pump is adjusted by controllable check valve, the size of adjustment brake weight, mechanical friction in brake process, belongs to flexible brake, cancels existing mechanical friction mode, avoid causing brake failure because friction member is aging, guarantee traffic safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of other direction of the present invention;
In the accompanying drawings: 1, adapter plate; 2, automobile driving axle; 3, driving gear; 4, ring gear; 5, Hydraulic Pump; 6, oil inlet; 7, cylinder; 8, hinged-support; 9, hydraulic pump driveshaft; 10, bearing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
For solving the problem of the brake drum of existing heavy motor vehicle or brake facing easy ageing failure after long-term use, the invention provides a kind of heavy motor vehicle dedicated hydraulic brake equipment as shown in Figure 1-2, comprise the adapter plate 1 be arranged on car chassis, Hydraulic Pump 5, gear transmission motivation structure, Hydraulic Pump arrangement of clutch and control setup, described Hydraulic Pump 5 is hinged with adapter plate 1 upper surface, and the axis being parallel of its axis and automobile driving axle 2, between described hydraulic pump driveshaft 9 and automobile driving axle 2, gear drive is set, the Hydraulic Pump arrangement of clutch for driving Hydraulic Pump 5 to rotate around itself and adapter plate 1 hinged place is provided with between described Hydraulic Pump 5 and adapter plate 1, described Hydraulic Pump oil inlet 6 is provided with controllable check valve, described adapter plate 1 upper surface is provided with bearing 10, described Hydraulic Pump 5 shell by bearing pin and bearing 10 hinged, described Hydraulic Pump arrangement of clutch is cylinder 7, and the hinged ear that the piston rod end of described cylinder 7 and Hydraulic Pump 5 shell are arranged is hinged, described cylinder 7 tail end by means of bearing pin and hinged-support 8 hinged, the axle head end of described hydraulic pump driveshaft 9 is provided with ring gear 4, and described automobile driving axle 2 is provided with driving gear 3, and described driving gear 3 engages with ring gear 4, described controllable check valve is electromagnetic valve, and described solenoid control end is all connected with control setup with cylinder 7 control end, described control setup is PLC module.
In concrete use procedure, first mounting plate and hydraulic reservoir on existing chassis of heavy-duty vehicle, and Hydraulic Pump and cylinder are installed on adapter plate, between the end of hydraulic pump driveshaft and automobile driving axle, gear drive is installed, the oil inlet of Hydraulic Pump is all communicated with hydraulic reservoir with petrol storage tank, on Hydraulic Pump oil inlet, Unidirectional solenoid valve is installed simultaneously, control setup in the present invention can be integrated with existing automobile control module, also control setup can be set separately, control setup selects PLC module, stagger angle displacement pickup supporting with the S. A. of braking automobile plate simultaneously, angular-motion transducer signal output part is connected with PLC module signal input part, the signal output part of described PLC module is connected with cylinder control end and Unidirectional solenoid valve control end, when chaufeur steps on braking vane, angular-motion transducer by the signal transmission of the braking vane rotating shaft anglec of rotation that detects to PLC module, PLC module is control cylinder pushing tow Hydraulic Pump first, driving gear is engaged with ring gear (when normal traveling, driving gear and ring gear are in released state), automobile driving axle drives Hydraulic Pump running by pinion rotation mechanism, utilize Hydraulic Pump running resistance to slow down the rotating speed of automobile driving axle, realize slowing down, in addition on the one hand, Unidirectional solenoid valve opening degree can also be controlled by PLC, adjustment Hydraulic Pump oil-feed resistance, deceleration speed is adjusted with this.
In a word, the present invention slows down the rotation of automobile driving axle as drag devices by use Hydraulic Pump, for automobile driving axle provides the resistance contrary with its hand of rotation, and adjusted the oil-feed resistance of Hydraulic Pump by controllable check valve, the size of adjustment brake weight, mechanical friction in brake process, belong to flexible brake, cancel existing mechanical friction mode, avoid causing brake failure because friction member is aging, guarantee traffic safety.
Claims (6)
1. a heavy motor vehicle dedicated hydraulic brake equipment, it is characterized in that: comprise the adapter plate (1) be arranged on car chassis, Hydraulic Pump (5), gear transmission motivation structure, Hydraulic Pump arrangement of clutch and control setup, described Hydraulic Pump (5) is hinged with adapter plate (1) upper surface, and the axis being parallel of its axis and automobile driving axle (2), between described hydraulic pump driveshaft (9) and automobile driving axle (2), gear drive is set, the Hydraulic Pump arrangement of clutch for driving Hydraulic Pump (5) to rotate around itself and adapter plate (1) hinged place is provided with between described Hydraulic Pump (5) and adapter plate (1), described Hydraulic Pump oil inlet (6) is provided with controllable check valve.
2. heavy motor vehicle dedicated hydraulic brake equipment according to claim 1, is characterized in that: described adapter plate (1) upper surface is provided with bearing (10), described Hydraulic Pump (5) shell by bearing pin and bearing (10) hinged.
3. heavy motor vehicle dedicated hydraulic brake equipment according to claim 1 and 2, it is characterized in that: described Hydraulic Pump arrangement of clutch is cylinder (7), the hinged ear that the piston rod end of described cylinder (7) and Hydraulic Pump (5) shell are arranged is hinged, described cylinder (7) tail end by means of bearing pin and hinged-support (8) hinged.
4. heavy motor vehicle dedicated hydraulic brake equipment according to claim 3, it is characterized in that: the axle head end of described hydraulic pump driveshaft (9) is provided with ring gear (4), described automobile driving axle (2) is provided with driving gear (3), and described driving gear (3) engages with ring gear (4).
5. heavy motor vehicle dedicated hydraulic brake equipment according to claim 1, it is characterized in that: described controllable check valve is electromagnetic valve, described solenoid control end is all connected with control setup with cylinder (7) control end.
6. heavy motor vehicle dedicated hydraulic brake equipment according to claim 5, is characterized in that: described control setup is PLC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823528.9A CN104477156B (en) | 2014-12-26 | 2014-12-26 | Hydraulic braking device special for heavy-duty truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823528.9A CN104477156B (en) | 2014-12-26 | 2014-12-26 | Hydraulic braking device special for heavy-duty truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104477156A true CN104477156A (en) | 2015-04-01 |
| CN104477156B CN104477156B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823528.9A Active CN104477156B (en) | 2014-12-26 | 2014-12-26 | Hydraulic braking device special for heavy-duty truck |
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| Country | Link |
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| CN (1) | CN104477156B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203179A (en) * | 2019-05-28 | 2019-09-06 | 武汉理工大学 | Brake for electric vehicle based on hydraulic energy braking |
| CN115247430A (en) * | 2022-08-29 | 2022-10-28 | 三一海洋重工有限公司 | Speed reduction device and speed reduction method of gripping apparatus and material gripping machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3908234C2 (en) * | 1989-02-27 | 1994-01-13 | Hans Heinrich Holm Eggers | Additional braking device for vehicles |
| WO2002020317A1 (en) * | 2000-09-06 | 2002-03-14 | Ha Tae Hwan | Brake system for automobile |
| CN201376564Y (en) * | 2009-04-17 | 2010-01-06 | 崔澄宇 | Motor vehicle brake system assist device |
| CN102700535A (en) * | 2012-02-28 | 2012-10-03 | 吴光友 | Automobile pump retarder |
| CN202531689U (en) * | 2011-12-01 | 2012-11-14 | 李守勇 | Hydraulic retarder |
| CN203294086U (en) * | 2013-05-21 | 2013-11-20 | 梁坤 | Semi-trailer with auxiliary braking function |
| CN204368127U (en) * | 2014-12-26 | 2015-06-03 | 田立树 | Heavy motor vehicle dedicated hydraulic brake equipment |
-
2014
- 2014-12-26 CN CN201410823528.9A patent/CN104477156B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3908234C2 (en) * | 1989-02-27 | 1994-01-13 | Hans Heinrich Holm Eggers | Additional braking device for vehicles |
| WO2002020317A1 (en) * | 2000-09-06 | 2002-03-14 | Ha Tae Hwan | Brake system for automobile |
| CN201376564Y (en) * | 2009-04-17 | 2010-01-06 | 崔澄宇 | Motor vehicle brake system assist device |
| CN202531689U (en) * | 2011-12-01 | 2012-11-14 | 李守勇 | Hydraulic retarder |
| CN102700535A (en) * | 2012-02-28 | 2012-10-03 | 吴光友 | Automobile pump retarder |
| CN203294086U (en) * | 2013-05-21 | 2013-11-20 | 梁坤 | Semi-trailer with auxiliary braking function |
| CN204368127U (en) * | 2014-12-26 | 2015-06-03 | 田立树 | Heavy motor vehicle dedicated hydraulic brake equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203179A (en) * | 2019-05-28 | 2019-09-06 | 武汉理工大学 | Brake for electric vehicle based on hydraulic energy braking |
| CN115247430A (en) * | 2022-08-29 | 2022-10-28 | 三一海洋重工有限公司 | Speed reduction device and speed reduction method of gripping apparatus and material gripping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104477156B (en) | 2017-02-08 |
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