CN203255168U - Side forklift brake fluid hydraulic control inching valve device - Google Patents
Side forklift brake fluid hydraulic control inching valve device Download PDFInfo
- Publication number
- CN203255168U CN203255168U CN 201320152182 CN201320152182U CN203255168U CN 203255168 U CN203255168 U CN 203255168U CN 201320152182 CN201320152182 CN 201320152182 CN 201320152182 U CN201320152182 U CN 201320152182U CN 203255168 U CN203255168 U CN 203255168U
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- CN
- China
- Prior art keywords
- brake
- depression bar
- inching valve
- braking
- pump
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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.)
- Expired - Fee Related
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model relates to a side forklift brake hydraulic control inching valve device which comprises a brake pressing rod, a valve rod of an inching valve, a revolving shaft, an automatic reset device, a clutch branch pump piston rod, a pump body of a clutch branch pump, a brake pump, a pedal brake mechanism and an oil cup. One end of the brake pressing rod is connected to the valve rod of the inching valve in a pressing mode, and the other end of the brake pressing rod is connected with the revolving shaft. The automatic reset device is connected to the middle of the brake pressing rod. One end of the clutch branch pump piston rod is hinged to the brake pressing rod, and the other end of the clutch branch pump piston rod is connected with the pump body of the clutch branch pump. The other end of the pump body of the clutch branch pump is connected with the pedal brake mechanism through the brake pump, and the oil cup is connected with the middle of the brake pump through an oil pipe. The side forklift brake hydraulic control inching valve device has the advantages that the clutch branch pump and the brake pressing rod are used for controlling the hydraulic transmission box inching valve, and the side forklift brake hydraulic control inching valve device is simple in structure, easy to install, accurate in control and can finish braking when a pedal is fully stepped downwards.
Description
Technical field
The utility model relates to a kind of fork truck, relates in particular to a kind of side fork lift truck braking liquid hydraulic control inching valve device.
Background technology
At present, because side fork lift truck is different because of the mounting means of the mounting means of its driving engine and hydraulic transmission box and common counterbalanced lift truck, if side fork lift truck hydraulic transmission box inching valve control setup still adopts traditional machine parts, the adjustment of its mechanical mechanism will be very loaded down with trivial details, and be difficult for installing, can not guarantee accurately to control inching valve.
The utility model content
Technical problem to be solved in the utility model is: a kind of side fork lift truck braking liquid hydraulic control inching valve device is provided, and it can control the hydraulic transmission box inching valve accurately, easily, thereby realizes hydraulic transmission box oil pressure unloading function.
The utility model is that the technical scheme that the problem of the above-mentioned proposition of solution adopts is:
A kind of side fork lift truck braking liquid hydraulic control inching valve device, comprise braking depression bar 1, inching valve valve rod 2, S. A. 3, automatic reset device 4, clutch slave cylinder piston rod 5, the clutch slave cylinder pump housing 6, brake pump 7, pedal brake mechanism 8 and lubricating cup 9, braking depression bar 1 one side pressures are connected on the inching valve valve rod 2, and braking depression bar 1 other end is connected with S. A. 3, and braking depression bar 1 middle part connects automatic reset device 4, clutch slave cylinder piston rod 5 one ends are hinged with braking depression bar 1, clutch slave cylinder piston rod 5 other ends are connected with the clutch slave cylinder pump housing 6, and the clutch slave cylinder pump housing 6 other ends are connected with pedal brake mechanism 8 by brake pump 7, and lubricating cup 9 links to each other with brake pump 7 middle parts by oil pipe.
Described braking depression bar 1 one ends arrange elastic buffering mechanism, and braking depression bar 1 one ends are crimped on the inching valve valve rod 2 by elastic buffering mechanism, play the effect of buffer protection.
Described elastically damping device is set to the rubber coating 10 that is enclosed within braking depression bar 1 one ends, withstanding corrosion, long service life.
Described automatic reset device 4 is cylindrically coiled spring.
Principle of work of the present utility model: braking depression bar one side pressure is connected on the inching valve valve rod, the braking depression bar other end is connected with S. A., braking depression bar middle part connects automatic reset device, clutch slave cylinder piston rod one end is hinged with the braking depression bar, the clutch slave cylinder piston rod other end is connected with the clutch slave cylinder pump housing, the clutch slave cylinder pump housing other end is connected with pedal brake mechanism by brake pump, and lubricating cup links to each other with the brake pump middle part by oil pipe; When stepping on brake pedal, the clutch slave cylinder conducting, fluid is pressed into brake pipe by lubricating cup, fluid is pressed into clutch slave cylinder through T-pipe joint again stretches out piston rod, piston rod makes the deflection of braking depression bar, and the inching valve valve rod stretches out, and finishes hydraulic transmission box oil pressure unloading function.When unclamping the pedal brake pedal, there is the cylindrically coiled spring of resetting that it is resetted, connect power.
The beneficial effects of the utility model are: adopt clutch slave cylinder and braking depression bar control hydraulic transmission box inching valve, and simple in structure, be easy to precise control is installed; And when pedal is operated fully, can finish brake function.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1-brakes depression bar, 2-inching valve valve rod, 3-S. A., 4-automatic reset device, 5-clutch slave cylinder piston rod, the 6-clutch slave cylinder pump housing, 7-brake pump, 8-pedal brake mechanism, 9-lubricating cup, 10-rubber coating.
The specific embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
With reference to Fig. 1, the described a kind of side fork lift truck braking liquid hydraulic control inching valve device of this specific embodiment, comprise braking depression bar 1, inching valve valve rod 2, S. A. 3, automatic reset device 4, clutch slave cylinder piston rod 5, the clutch slave cylinder pump housing 6, brake pump 7, pedal brake mechanism 8 and lubricating cup 9, braking depression bar 1 one side pressures are connected on the inching valve valve rod 2, braking depression bar 1 other end is connected with S. A. 3, braking depression bar 1 middle part connects automatic reset device 4, and clutch slave cylinder piston rod 5 one ends are hinged with braking depression bar 1, and clutch slave cylinder piston rod 5 other ends are connected with the clutch slave cylinder pump housing 6, the clutch slave cylinder pump housing 6 other ends are connected with pedal brake mechanism 8 by brake pump 7, and lubricating cup 9 links to each other with brake pump 7 middle parts by oil pipe.
Described braking depression bar 1 one ends arrange elastic buffering mechanism, and braking depression bar 1 one ends are crimped on the inching valve valve rod 2 by elastic buffering mechanism, play the effect of buffer protection.
Described elastically damping device is set to the rubber coating 10 that is enclosed within braking depression bar 1 one ends, withstanding corrosion, long service life.
Described automatic reset device 4 is cylindrically coiled spring.
The principle of work of this specific embodiment: braking depression bar one side pressure is connected on the inching valve valve rod, the braking depression bar other end is connected with S. A., braking depression bar middle part connects automatic reset device, clutch slave cylinder piston rod one end is hinged with the braking depression bar, the clutch slave cylinder piston rod other end is connected with the clutch slave cylinder pump housing, the clutch slave cylinder pump housing other end is connected with pedal brake mechanism by brake pump, and lubricating cup links to each other with the brake pump middle part by oil pipe; When stepping on brake pedal, the clutch slave cylinder conducting, fluid is pressed into brake pipe by lubricating cup, fluid is pressed into clutch slave cylinder through T-pipe joint again stretches out piston rod, piston rod makes the deflection of braking depression bar, and the inching valve valve rod stretches out, and finishes hydraulic transmission box oil pressure unloading function.When unclamping the pedal brake pedal, there is the cylindrically coiled spring of resetting that it is resetted, connect power.
The beneficial effect of this specific embodiment is: adopt clutch slave cylinder and braking depression bar control hydraulic transmission box inching valve, and simple in structure, be easy to precise control is installed; And when pedal is operated fully, can finish brake function.
Specific embodiment of the utility model does not consist of restriction of the present utility model, and every employing analog structure of the present utility model and variation are all in protection domain of the present utility model.
Claims (4)
1. side fork lift truck braking liquid hydraulic control inching valve device, it is characterized in that: comprise braking depression bar (1), inching valve valve rod (2), S. A. (3), automatic reset device (4), clutch slave cylinder piston rod (5), the clutch slave cylinder pump housing (6), brake pump (7), pedal brake mechanism (8) and lubricating cup (9), braking depression bar (1) one side pressure is connected on the inching valve valve rod (2), braking depression bar (1) other end is connected with S. A. (3), braking depression bar (1) middle part connects automatic reset device (4), clutch slave cylinder piston rod (5) one ends are hinged with braking depression bar (1), clutch slave cylinder piston rod (5) other end is connected with the clutch slave cylinder pump housing (6), and the clutch slave cylinder pump housing (6) other end is connected with pedal brake mechanism (8) by brake pump (7), and lubricating cup (9) links to each other with brake pump (7) middle part by oil pipe.
2. a kind of side fork lift truck braking liquid hydraulic control inching valve device as claimed in claim 1, it is characterized in that: described braking depression bar (1) one end arranges elastic buffering mechanism, and braking depression bar (1) one end is crimped on the inching valve valve rod (2) by elastic buffering mechanism.
3. a kind of side fork lift truck braking liquid hydraulic control inching valve device as claimed in claim 2 is characterized in that: described elastically damping device is set to the rubber coating (10) that is enclosed within braking depression bar (1) one end.
4. a kind of side fork lift truck braking liquid hydraulic control inching valve device as claimed in claim 1, it is characterized in that: described automatic reset device (4) is cylindrically coiled spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320152182 CN203255168U (en) | 2013-03-30 | 2013-03-30 | Side forklift brake fluid hydraulic control inching valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320152182 CN203255168U (en) | 2013-03-30 | 2013-03-30 | Side forklift brake fluid hydraulic control inching valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203255168U true CN203255168U (en) | 2013-10-30 |
Family
ID=49467764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320152182 Expired - Fee Related CN203255168U (en) | 2013-03-30 | 2013-03-30 | Side forklift brake fluid hydraulic control inching valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203255168U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884381A (en) * | 2013-12-27 | 2015-09-02 | 株式会社小松制作所 | Forklift and forklift control method |
| CN105508456A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Hydraulic engaging and disengaging gear |
| CN112455225A (en) * | 2020-12-04 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Hydraulic control gas valve and automobile brake control system |
-
2013
- 2013-03-30 CN CN 201320152182 patent/CN203255168U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884381A (en) * | 2013-12-27 | 2015-09-02 | 株式会社小松制作所 | Forklift and forklift control method |
| US9624079B2 (en) | 2013-12-27 | 2017-04-18 | Komatsu Ltd. | Forklift and control method of forklift |
| CN105508456A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Hydraulic engaging and disengaging gear |
| CN112455225A (en) * | 2020-12-04 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Hydraulic control gas valve and automobile brake control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |