CN203793323U - Air booster pump assembly and loader - Google Patents
Air booster pump assembly and loader Download PDFInfo
- Publication number
- CN203793323U CN203793323U CN201420228561.2U CN201420228561U CN203793323U CN 203793323 U CN203793323 U CN 203793323U CN 201420228561 U CN201420228561 U CN 201420228561U CN 203793323 U CN203793323 U CN 203793323U
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- CN
- China
- Prior art keywords
- air
- pump assembly
- boosting pump
- respiration channel
- protective casing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an air booster pump assembly and a loader. The air booster pump assembly comprises a thrust augmentation cylinder and a breather device arranged outside the thrust augmentation cylinder, the breather device comprises a protective shell and a body arranged inside the protective shell, the body is internally provided with a breathing passage used for air circulation, the breathing passage is communicated with the interior of the thrust augmentation cylinder, and the protective shell is provided with vent holes used for communicating the interior and the exterior of the protective shell. The loader comprises the air booster pump assembly. According to the technical scheme, the protective shell can effectively prevent unclean air from being sucked into the thrust augmentation cylinder and a brake pump, the working environment of the thrust augmentation cylinder and the brake pump is improved effectively, the reject ratio of the thrust augmentation cylinder and the brake pump is reduced, and the durability is improved at the same time.
Description
Technical field
The utility model relates to a kind of construction machinery and equipment, particularly relates to a kind of air boosting pump assembly and loader.
Background technology
Loader is the one of construction machinery and equipment, is widely used in the engineering fields such as building, road, mine, harbour.The Main Function of loader is to carry out loading operation, loading operation is by things such as sandy soil, rock, ores, pour the operation of truck, lorry or freight container into, certainly, loader also can be realized digging operation, unloading operation, tillage operation, fill and lead up other operation of operation etc.
Booster pump is the vitals on loader, and booster pump is mainly made up of servo cylinder and brake pump two parts, and it mainly utilizes the pressurized air that brake activation valve transmits that the braking liquid in brake pump is pressurizeed, and promotes brake clamp work.As shown in Figure 1, booster pump working process is as follows:
(1) when mechanical loader braking, pressurized air enters afterburning cylinder body 1 and promotes the application force that piston 3 overcomes pull back spring 4 and moves right, because piston 3 and push rod 15 connect together, move to right so ram seat assembly 7 just promotes the hydraulic piston 8 of master brake cylinder, the braking liquid in the brake pump pump housing 9 is sealed and make the braking liquid of the brake pump pump housing 9 produce high pressure.High hydraulic brake fluid enters drg by pipeline, makes wheel braking;
(2), in the time of loosen the brake pedal, under the effect of pull back spring 4, piston 3 moves to left, pressurized air is discharged to atmosphere, and meanwhile, push rod 15 drives ram seat assembly 7 to move to left, hydraulic piston 8 moves to left thereupon, and the braking liquid in drg returns in the brake pump pump housing 9, and braking mode is removed;
(3) when brake pedal loosens when very fast, because lagging behind, the braking liquid in brake pump fails to return with hydraulic piston 8 in time, make the interior generation low pressure of the brake pump pump housing 9, under atmospheric action, braking liquid in the oil storage cup 6 just gap in the middle of ram seat assembly 7 and hydraulic piston 8 adds in the brake pump pump housing 9, now, again step on rapidly brake pedal, braking effect can be better.
The type that above-mentioned booster pump lost efficacy comprises: gas leakage, inner gas blowby, leakage of oil and spring damage.The reason major part that causes booster pump to lose efficacy is to have sucked uncleanly air.Because of the external environment condition of loader work very severe; in air, be full of tiny particle and dust; when these particles or dust are inhaled into booster pump when inner, easily cause damage, the piston clamping stagnation of sealing member, cause inner gas blowby, gas leakage or oil leakage phenomenon to occur.Generally the uncleanly air of the overwhelming majority is sucked by respirator 14, and respirator on booster pump on loader is because of space constraint small volume, and filtering effect is poor, is extremely necessary to improve.
Utility model content
The purpose of this utility model is to provide a kind of air boosting pump assembly and loader of effectively avoiding uncleanly air intake.
Air boosting pump assembly of the present utility model, comprise afterburning cylinder body and be arranged at the respirator apparatus outside described afterburning cylinder body, described respirator apparatus comprises protective casing and is arranged at the body of the inside of described protective casing, the inside of described body is provided with the respiration channel for circulation of air, the internal communication of described respiration channel and described afterburning cylinder body, is provided with inside for linking up protective casing and outside air extractor vent on described protective casing.
Air boosting pump assembly of the present utility model, wherein, soft pipe connection is passed through in the inside of described respiration channel and described afterburning cylinder body.
Air boosting pump assembly of the present utility model, wherein, described protective casing comprises multiple vertical settings the sidewall paneling that head and the tail connect successively and upper plate, the lower shoe being connected with each sidewall paneling respectively, multiple described sidewall panelinies and upper plate, lower shoe enclose and form the protection chamber that holds described body, and described air extractor vent is arranged on described lower shoe.
Air boosting pump assembly of the present utility model, wherein, is pasted with filtering membrane on the inwall in described protection chamber.
Air boosting pump assembly of the present utility model, wherein, the first end of described body is fixed on described lower shoe by nut, and described air extractor vent is multiple, and multiple described air extractor vents arrange around the center of described lower shoe.
Air boosting pump assembly of the present utility model, wherein, described respiration channel is extended to the inside of described body by the first end of described body, described flexible pipe is connected with the first end of described body, on the sidewall of described respiration channel, be provided with and the through hole of the exterior of described body, the axis of described through hole is vertical with the axis of described respiration channel.
Loader of the present utility model, comprises air boosting pump assembly of the present utility model.
The technical solution of the utility model is effectively avoided uncleanly air intake servo cylinder and brake pump by protective casing is set, and has effectively improved the working environment of servo cylinder and brake pump, and the fraction defective that has reduced servo cylinder and brake pump has improved its durability simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the booster pump of prior art;
Fig. 2 is the structural representation of the afterburning cylinder body of air boosting pump assembly of the present utility model;
Fig. 3 is the schematic diagram of the respirator apparatus of air boosting pump assembly of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figures 2 and 3, air boosting pump assembly of the present utility model, comprise afterburning cylinder body 10 and be arranged at the respirator apparatus 20 outside afterburning cylinder body 10, respirator apparatus 20 comprises protective casing 21 and is arranged at the body 22 of the inside of protective casing 21, the inside of body 22 is provided with the respiration channel 23 for circulation of air, the internal communication of respiration channel 23 and afterburning cylinder body 10, is provided with inside for linking up protective casing 21 and outside air extractor vent 24 on protective casing 21.
Air boosting pump assembly of the present utility model, wherein, respiration channel 23 is communicated with by flexible pipe 30 with the inside of afterburning cylinder body 10.
Air boosting pump assembly of the present utility model, wherein, respirator apparatus 20 splits with afterburning cylinder body 10, respirator apparatus 20 is fixed on the support in dust less vehicle frame or engine casing conventionally, so further prevents that uncleanly air from being sucked the inside of afterburning cylinder body 10 by respirator apparatus 20.
Air boosting pump assembly of the present utility model, wherein, is provided with joint for respiratory device 40 on the lateral surface of afterburning cylinder body 10, one end of flexible pipe 30 is fixed on joint for respiratory device 40.
Air boosting pump assembly of the present utility model, wherein, protective casing 21 comprises multiple vertical settings the sidewall paneling 25 that head and the tail connect successively and upper plate 26, the lower shoe 27 being connected with each sidewall paneling 25 respectively, multiple sidewall panelinies 25 enclose and form the protection chamber 90 that holds body 22 with upper plate 26, lower shoe 27, and air extractor vent 24 is arranged on lower shoe 27.
Air boosting pump assembly of the present utility model, wherein, is pasted with filtering membrane 80 on the inwall in protection chamber 90, and the material of filtering membrane 80 is dustproof sponge.
Air boosting pump assembly of the present utility model, wherein, the first end of body 22 is fixed on lower shoe 27 by nut 31, and air extractor vent 24 is multiple, and multiple air extractor vents 24 arrange around lower shoe 27 center.
Air boosting pump assembly of the present utility model, wherein, respiration channel is extended to the inside of body 22 by the first end of body 22, flexible pipe 30 is connected by clip (not shown) with the first end of body 22, on the sidewall of respiration channel 23, be provided with and the through hole 28 of the exterior of body 22, the axis of through hole 28 is vertical with the axis of respiration channel 23.
Air boosting pump assembly of the present utility model, wherein, is provided with the filtering net 29 that covers through hole 28 on the lateral wall of body 22.On the lateral wall of body 22, be connected with outwardly boss 35, boss 35 is between through hole 28 and the first end of body 22, the second end of body 22 is connected with cover of dust 50, the edge of cover of dust 50 extends and fits tightly with the upper surface of boss 35 to boss 35, the lateral wall of the edge of cover of dust 50 and body 22 encloses and forms chamber 60, chamber 60 communicates with respiration channel 23 by through hole 28, on boss 35, be provided with ditch through hole 70, ditch through hole 70 is positioned at the inner side at the edge of cover of dust 50, and chamber 60 is by ditch through hole 70 and external communication.
Loader of the present utility model, comprises air boosting pump assembly of the present utility model.
Loader of the present utility model, wherein, respirator apparatus is fixed on the support in vehicle frame or engine casing.
The technical solution of the utility model is effectively avoided uncleanly air intake servo cylinder and brake pump by protective casing is set, and has effectively improved the working environment of servo cylinder and brake pump, and the fraction defective that has reduced servo cylinder and brake pump has improved its durability simultaneously.
Loader of the present utility model has been owing to having installed air boosting pump assembly of the present utility model, significantly reduced because of the booster pump economic loss causing that lost efficacy.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an air boosting pump assembly, comprise afterburning cylinder body and be arranged at the respirator apparatus outside described afterburning cylinder body, it is characterized in that, described respirator apparatus comprises protective casing and is arranged at the body of the inside of described protective casing, the inside of described body is provided with the respiration channel for circulation of air, the internal communication of described respiration channel and described afterburning cylinder body, is provided with inside for linking up protective casing and outside air extractor vent on described protective casing.
2. air boosting pump assembly according to claim 1, is characterized in that, soft pipe connection is passed through in the inside of described respiration channel and described afterburning cylinder body.
3. air boosting pump assembly according to claim 2, it is characterized in that, described protective casing comprises multiple vertical settings the sidewall paneling that head and the tail connect successively and upper plate, the lower shoe being connected with each sidewall paneling respectively, multiple described sidewall panelinies and upper plate, lower shoe enclose and form the protection chamber that holds described body, and described air extractor vent is arranged on described lower shoe.
4. air boosting pump assembly according to claim 3, is characterized in that, on the inwall in described protection chamber, is pasted with filtering membrane.
5. air boosting pump assembly according to claim 4, is characterized in that, the first end of described body is fixed on described lower shoe by nut, and described air extractor vent is multiple, and multiple described air extractor vents arrange around the center of described lower shoe.
6. air boosting pump assembly according to claim 5, it is characterized in that, described respiration channel is extended to the inside of described body by the first end of described body, described flexible pipe is connected with the first end of described body, on the sidewall of described respiration channel, be provided with and the through hole of the exterior of described body, the axis of described through hole is vertical with the axis of described respiration channel.
7. a loader, is characterized in that, comprises the air boosting pump assembly as described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228561.2U CN203793323U (en) | 2014-05-05 | 2014-05-05 | Air booster pump assembly and loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228561.2U CN203793323U (en) | 2014-05-05 | 2014-05-05 | Air booster pump assembly and loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793323U true CN203793323U (en) | 2014-08-27 |
Family
ID=51375568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228561.2U Expired - Fee Related CN203793323U (en) | 2014-05-05 | 2014-05-05 | Air booster pump assembly and loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203793323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589988A (en) * | 2014-11-17 | 2016-05-18 | 斗山工程机械（山东）有限公司 | Power matching calculation method and device for loader |
| CN107901902A (en) * | 2017-12-12 | 2018-04-13 | 韦红兰 | A kind of split type assistor |
-
2014
- 2014-05-05 CN CN201420228561.2U patent/CN203793323U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589988A (en) * | 2014-11-17 | 2016-05-18 | 斗山工程机械（山东）有限公司 | Power matching calculation method and device for loader |
| CN105589988B (en) * | 2014-11-17 | 2019-01-22 | 斗山工程机械（山东）有限公司 | A kind of loading machine power matching calculation method and device |
| CN107901902A (en) * | 2017-12-12 | 2018-04-13 | 韦红兰 | A kind of split type assistor |
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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: 20140827 Termination date: 20150505 |
|
| EXPY | Termination of patent right or utility model |