CN201513394U - Mechanical energy accumulator used for emergency braking - Google Patents
Mechanical energy accumulator used for emergency braking Download PDFInfo
- Publication number
- CN201513394U CN201513394U CN 200920187564 CN200920187564U CN201513394U CN 201513394 U CN201513394 U CN 201513394U CN 200920187564 CN200920187564 CN 200920187564 CN 200920187564 U CN200920187564 U CN 200920187564U CN 201513394 U CN201513394 U CN 201513394U
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- China
- Prior art keywords
- energy accumulator
- main body
- pressure alarm
- accumulator
- alarm interface
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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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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model provides a mechanical energy accumulator used for emergency braking. An oil inlet port with a check valve, an oil return port, an oil braking port and a safety valve are respectively arranged on the main body of the energy accumulator; the energy accumulator is characterized in that a pressure alarm interface is arranged alongside the oil inlet port on the main body of the energy accumulator; the pressure alarm interface is communicated with the oil braking port through an oil duct arranged in the main body of the energy accumulator; and a low pressure alarm is connected to the pressure alarm interface. A travel switch rod and a switch assembly component in the prior structure on the side part of the main body of the energy accumulator replaced by the pressure alarm interface; and through arranging the low pressure alarm, the energy accumulator can realize reliable low pressure alarming.
Description
Technical field
The utility model relates to the mechanical type accumulator, a kind of mechanical type accumulator that is applied in 5～10T fork truck non-muscular energy braking system of more specifically saying so.
Background technique
At present, 5～10T fork truck major part of domestic production has adopted non-muscular energy braking system, has been equipped with a mechanical type accumulator and uses for emergency braking in this system.As shown in Figure 1, be furnished with a filler opening 8, a return opening 6, a braking hydraulic fluid port 7, a safety valve 5 on the main body of this mechanical type accumulator, and the position limit switch bar 9 and the switch assembly assembly 11 that are positioned at the main body sidepiece.In structural type shown in Figure 1, when the accumulator topping up, pressure oil is entered by the filler opening 8 of band one-way valve, promotes piston 4 to left movement, and piston 4 drives spring block 3 compression outer spring 1 and inner springs 2 simultaneously.In the time of spring force and fluid pressure balance, piston 4 stop motions.Spring block 3 behind left movement, position limit switch bar 9 under the effect of Returnning spring 10, also to left movement, the position in Fig. 2, accumulator full of liquid at this moment, fluid is discharged from return opening 6 by safety valve 5 off-loads when surpassing minimum setting pressure of relief valve.At this moment to reach pressure maximum be 7.7MPa to accumulator, and volume is 70ml.Accumulator is when each work, all to discharge a certain amount of fluid from braking hydraulic fluid port 7, after fluid release is a certain amount of, spring block 3 compresses position limit switch bar 9 under the effect of outer spring 1 and inner spring 2, as shown in Figure 3, pressure at this moment is minimum retardation pressure, just alarm pressure, position limit switch bar 9 touch switch assembly assemblies 11 send alarm signal.This structural type urgent braking effect on level road is fine, but on greater than 10 ° ramp, because its design pressure is lower, volume is less, often can't brake; Simultaneously, since very high to the required precision of position limit switch, cause position limit switch malfunctioning easily, cause pressure alarm work unreliable, bring bigger potential safety hazard.
The model utility content
The utility model is for avoiding above-mentioned existing in prior technology deficiency, provide a kind of pressure height, volume big, on the ramp, can reliably brake equally, can realize the mechanical type accumulator that is used for emergency braking of reliable low pressure alarming simultaneously, to ensure operator's safety.
The utility model technical solution problem adopts following technological scheme:
The structural type that the utility model is used for the mechanical type accumulator of emergency braking is to arrange the filler opening of a band one-way valve, a return opening, a braking hydraulic fluid port and a safety valve on the main body of described accumulator respectively;
Structural feature of the present utility model is on described accumulator main body, be in described filler opening position side by side on, the pressure alarm interface is set, described pressure alarm interface is communicated with the braking hydraulic fluid port by the oil duct that is arranged in the accumulator main body, can insert low perssure alarm device in described pressure alarm interface.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model has been cancelled position limit switch bar and the switch assembly assembly that is positioned at accumulator main body sidepiece in the original structure, the substitute is and be in and the locational side by side pressure alarm interface of filler opening, by in the pressure alarm interface, low perssure alarm device being set, can realize reliable low pressure alarming.
2, the improvement of the utility model alarm structure makes that the accumulator agent structure is simplified, thereby can suitably increase the effect that piston stroke reaches the increase volume; Meanwhile, can corresponding suitable increase outer spring 1 and inner spring 2 rigidity, increasing pressure, thereby guarantee reliable braking.
3, the accumulator agent structure simplified of the utility model makes process such as its whole I﹠ M all be simplified.
Description of drawings
Fig. 1 is the accumulator structure schematic representation in the prior art.
Fig. 2 is the accumulator topping up view in the prior art.
Fig. 3 is the accumulator low pressure alarming view in the prior art.
Label among Fig. 1, Fig. 2 and Fig. 3: 1 outer spring, 2 inner springs, 3 spring blocks, 4 pistons, 5 safety valves, 6 return openings, 7 braking hydraulic fluid ports, 8 filler openings, 9 position limit switch bars, 10 Returnning springs, 11 touch switch assembly assemblies.
Fig. 4 is the utility model structural representation.
Label among Fig. 4: 1 outer spring, 2 inner springs, 3 spring blocks, 4 pistons, 5 safety valves, 6 return openings, 7 braking hydraulic fluid ports, 8 filler openings, 9 pressure alarm interfaces.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 4, identical with prior art is, arranges filler opening 8, a return opening 6, a braking hydraulic fluid port 7 and a safety valve 5 of a band one-way valve on the main body of accumulator respectively, and the outer spring 1 of relative set, inner spring 2, spring block 3 and piston 4.
Improved structure is on the accumulator main body in the present embodiment, be in filler opening 8 position side by side on, pressure alarm interface 9 is set, and pressure alarm interface 9 is communicated with braking hydraulic fluid port 7 by the oil duct that is arranged in the accumulator main body, inserts low perssure alarm device in pressure alarm interface 9.
In concrete the enforcement, the corresponding structure setting also comprises: on the basis of prior art, suitably improve the rigidity of outer spring 1 and inner spring 2, to increase pressure; The stroke that suitably increases piston 4 reaches the effect that increases volume.
Test shows that the improved structure of the utility model can make supercharging pressure bring up to 9MPa; Volume increases to 100ml; Simultaneously, low pressure alarming is directly sent by low perssure alarm device.
Claims (1)
1. the mechanical type accumulator that is used for emergency braking arranges respectively that on the main body of described accumulator one is with filler opening (8), a return opening (6), a braking hydraulic fluid port (7) and a safety valve (5) of one-way valve; It is characterized in that on described accumulator main body, be in described filler opening (8) position side by side on, pressure alarm interface (9) is set, described pressure alarm interface (9) is communicated with braking hydraulic fluid port (7) by the oil duct that is arranged in the accumulator main body, can insert low perssure alarm device in described pressure alarm interface (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920187564 CN201513394U (en) | 2009-09-16 | 2009-09-16 | Mechanical energy accumulator used for emergency braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920187564 CN201513394U (en) | 2009-09-16 | 2009-09-16 | Mechanical energy accumulator used for emergency braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513394U true CN201513394U (en) | 2010-06-23 |
Family
ID=42484802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920187564 Expired - Fee Related CN201513394U (en) | 2009-09-16 | 2009-09-16 | Mechanical energy accumulator used for emergency braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297167A (en) * | 2011-07-29 | 2011-12-28 | 安徽合力股份有限公司 | Bladder accumulator for full-hydraulic power brake system of forklift |
| CN104154066A (en) * | 2014-08-19 | 2014-11-19 | 合肥长源液压股份有限公司 | Pile-up valve for recovering energy of excavator |
-
2009
- 2009-09-16 CN CN 200920187564 patent/CN201513394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297167A (en) * | 2011-07-29 | 2011-12-28 | 安徽合力股份有限公司 | Bladder accumulator for full-hydraulic power brake system of forklift |
| CN104154066A (en) * | 2014-08-19 | 2014-11-19 | 合肥长源液压股份有限公司 | Pile-up valve for recovering energy of excavator |
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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 | ||
| CP03 | Change of name, title or address |
Address after: Dangtu Road, Yaohai Industrial Park, latitude D 230031 Hefei Road, Anhui Province Patentee after: Hefei Changyuan Hydraulics Co., Ltd. Address before: Dangtu Road, Yaohai Industrial Park, Yaohai District of Hefei city Wei D road 230011 in Anhui Province Patentee before: Hefei Changyuan Hydraulics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20170916 |