CN207889694U - Braking system of engineering machinery air boosting pump internal respiration structure - Google Patents
Braking system of engineering machinery air boosting pump internal respiration structure Download PDFInfo
- Publication number
- CN207889694U CN207889694U CN201721835595.8U CN201721835595U CN207889694U CN 207889694 U CN207889694 U CN 207889694U CN 201721835595 U CN201721835595 U CN 201721835595U CN 207889694 U CN207889694 U CN 207889694U
- Authority
- CN
- China
- Prior art keywords
- assembly
- hydraulic
- cylinder
- cavity
- braking system
- 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.)
- Active
Links
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of braking system of engineering machinery air boosting pump internal respiration structure, braking system of engineering machinery includes cylinder assembly and hydraulic assembly, cylinder block one end of the cylinder assembly, and hydraulic cylinder one end of hydraulic assembly is separately fixed at the both ends of end cap, push-rod piston assembly is equipped in the cylinder block, push rod on the push-rod piston assembly is fixed on across end cap in the ram seat on the hydraulic piston in hydraulic cylinder, the hydraulic assembly is equipped with oil storage tank assembly, the oil storage tank assembly is divided into epicoele and cavity of resorption by diaphragm, the epicoele is connected to cylinder block by proximal cover side cavity, it is stored with hydraulic oil in the cavity of resorption, cavity of the cavity of resorption with hydraulic cylinder by proximal cover side is connected to.The utility model is connect by joint for respiratory device, oil storage tank joint for respiratory device with rubber hose, ensure that the air being discharged when reinforcing pump work enters the epicoele of oil storage tank diaphragm, the internal respiration being isolated from the outside world is formed, ensures the cleaning of air chamber, the reliability and service life of product is improved with this.
Description
Technical field
The utility model is related to engineering machinery braking member fields.
Background technology
Traditional air boosting pump respirator is fit directly on booster pump, and when reinforcing pump work, push-rod piston is total
At moving right, the air in cylinder goes out for A mouthfuls into B mouthfuls from respirator at this time, is expelled directly out, when booster pump pressure release does not work,
Push-rod piston assembly starts to reset under spring force, and external air enters A mouthfuls for B mouthfuls by respirator at this time, so
Cycle is referred to as external respiration.If the working method of external respiration works long hours and exhales in the case where maintenance is not good at severe with operating mode
Haustorium also blocks dust and foreign matter can not enter cylinder interior completely, be influenced on the durability of booster pump very big.
Utility model content
Technical problem to be solved in the utility model is to realize that one kind helping to improve air boosting pump reliability and resistance to
The internal respiration structure of long property.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of braking system of engineering machinery is empty
Gas booster pump internal respiration structure, braking system of engineering machinery include cylinder assembly and hydraulic assembly, the cylinder of the cylinder assembly
Cylinder body one end and hydraulic cylinder one end of hydraulic assembly are separately fixed at the both ends of end cap, are equipped with and push away in the cylinder block
Bar piston assembly, the push rod on the push-rod piston assembly are fixed on the push rod on the hydraulic piston in hydraulic cylinder across end cap
On seat, the hydraulic assembly is equipped with oil storage tank assembly, and the oil storage tank assembly is divided into the epicoele for storing air by diaphragm
With the cavity of resorption for storing hydraulic oil, the epicoele is connected to cylinder block by proximal cover side cavity, storage in the cavity of resorption
There are hydraulic oil, cavity of the cavity of resorption with hydraulic cylinder by proximal cover side to be connected to.
The cylinder block other end is the air inlet being connected with air brake valve gas outlet, and the hydraulic cylinder other end is
The oil outlet being connected with brake oil inlet.
The oil storage tank assembly is fixed on end cap.
The gas circuit being connected to cylinder block in the end cap, the gas circuit outer end is equipped with end and is equipped with joint for respiratory device, described
Joint for respiratory device is connected to epicoele by rubber hose.
The oil circuit being connected to hydraulic cylinder in the end cap, the oil communication to cavity of resorption.
The push-rod piston assembly is equipped with return spring, and push-rod piston assembly one end is supported on push-rod piston assembly
On, the other end is supported on cylinder cap.
The cylinder cap bottom is equipped with mounting bracket.
The diaphragm is the membrane structure that area is more than oil storage tank assembly inner wall section product, and the diaphragm is convex to epicoele or cavity of resorption
Act the volume for changing epicoele and cavity of resorption.
The utility model is connect by joint for respiratory device, oil storage tank joint for respiratory device with rubber hose, when ensureing reinforcing pump work
The air of discharge enters the epicoele of oil storage tank diaphragm, forms the internal respiration being isolated from the outside world, and ensures the cleaning of air chamber, is carried with this
The reliability and service life of high product.
Description of the drawings
The content of every width attached drawing expression in the utility model specification and the label in figure are briefly described below：
Fig. 1,2 are air boosting pump internal respiration structural schematic diagram；
Label in above-mentioned figure is：1, cylinder assembly；2, push-rod piston assembly；3, return spring 4, end cap；5, hydraulic pressure
Assembly；6, ram seat；7, mounting bracket；8, joint for respiratory device；9, rubber hose；10, oil storage tank assembly；11, diaphragm；12, hydraulic pressure
Piston.
Specific implementation mode
In order to improve the reliability and durability of product, we carry out innovative design to existing air boosting pump breathing structure
And update, previous external respirator structure is substituted using internal respiration structure, increases joint for respiratory device on end cap 4 and oil storage tank
8, and connect the hoop of joint for respiratory device 8 and being close to by rubber hose 9, it reinforces the air breathed out when pump work and leads directly to oil storage
The epicoele (11 epicoele air-breathing of diaphragm at this time) of tank diaphragm 11, when reinforcing air pump inoperative (return), 11 epicoele of oil storage tank diaphragm
Air (11 epicoele of diaphragm is exhaled at this time) is returned to air boosting pump air chamber (air chamber air-breathing at this time), and so move in circles shape
At internal respiration (breathing air is isolated from the outside world), avoids dust and silt enters booster pump air chamber, to improve production
The service life of product.
Specifically, braking system of engineering machinery air boosting pump air inlet and air brake valve are (original one in system
Kind of valve) gas outlet is connected, and oil outlet is connected with brake oil inlet.Ram seat 6 is limited by push rod and is connected, push rod and gas piston
Pass through thread belt glue connection.Sealing, oil storage tank assembly 10 and hydraulic pressure are ensured by center and dustband between push rod and connection cover
Cylinder body is connected through a screw thread, and is sealed with O-ring seals between end cap 4 and hydraulic cylinder.Hex nut and washer are by joint for respiratory device 8
Be fixed on end cap 4, rubber hose on end cap 4 joint for respiratory device 8 and 10 top connection of oil storage tank assembly tightened by hose clamp,
Under the action of return spring 3, push rod disengages ram seat 6 and 12 sealing surface of hydraulic piston, ensures 3 apertures of φ in hydraulic piston 12
Unimpeded, brake fluid enters fluid cylinder inner cavity by 3 apertures of φ.
When braking, the air pressure from air brake valve gas outlet enters 1 inner cavity of cylinder assembly by air inlet, pushes push rod
Assembly Forward is filled in, epicoele (11 epicoele of the diaphragm suction at this time that the air breathed out when pump work leads directly to oil storage tank diaphragm 11 is reinforced
Gas), when reinforcing air pump inoperative (return), the air (11 epicoele of diaphragm is exhaled at this time) of 11 epicoele of oil storage tank diaphragm is returned to sky
Gas booster pump air chamber (air chamber air-breathing at this time) so moves in circles and forms internal respiration (breathing air is isolated from the outside world),
Push rod heads on ram seat 6 and seals 12 sealing surface of hydraulic piston, and high pressure oil is formed in hydraulic cylinder inner cavity.When releasing braking, returning
Under the action of the spring 3 of position, 3 apertures of φ open wide, and brake fluid returns to lubricating cup by 3 apertures of φ, and push-rod piston assembly 2 resets.
Operation principle：To inlet charge when braking, push-rod piston assembly 2 is pushed to move forward, is exhaled when reinforcing pump work
The air gone out leads directly to the epicoele (11 epicoele air-breathing of diaphragm at this time) of oil storage tank diaphragm 11, push rod push ram seat 6 seal into
Oily valve sealing face, generates pressure in hydraulic cylinder, and the air of cylinder interior enters the epicoele of oil storage tank diaphragm 11, works as air pressure
When release, under the action of return spring 3, the air (11 epicoele of diaphragm is exhaled at this time) of 11 epicoele of oil storage tank diaphragm is returned to sky
Gas booster pump air chamber (air chamber air-breathing at this time), push-rod piston assembly 2 pull ram seat 6 to reset, and repairing hole is opened wide, hydraulic oil
Oil storage tank is returned to by repairing hole.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the methodology of the utility model and various unsubstantialities that technical solution carries out change
Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.
Claims (8)
1. braking system of engineering machinery air boosting pump internal respiration structure, braking system of engineering machinery includes cylinder assembly and liquid
Assembly is pressed, cylinder block one end of the cylinder assembly and hydraulic cylinder one end of hydraulic assembly are separately fixed at end cap
Both ends, the cylinder block is interior to be equipped with push-rod piston assembly, and the push rod on the push-rod piston assembly is fixed on liquid across end cap
In the ram seat on hydraulic piston in cylinder pressure body, the hydraulic assembly is equipped with oil storage tank assembly, it is characterised in that：The oil storage
Tank assembly is divided into the epicoele for storing air and the cavity of resorption for storing hydraulic oil, the epicoele and cylinder block by diaphragm
It is connected to by proximal cover side cavity, hydraulic oil is stored in the cavity of resorption, the cavity of resorption is with hydraulic cylinder by proximal cover side
Cavity is connected to.
2. braking system of engineering machinery according to claim 1 air boosting pump internal respiration structure, it is characterised in that：Institute
It is the air inlet being connected with air brake valve gas outlet to state the cylinder block other end, the hydraulic cylinder other end be with brake into
The connected oil outlet of hydraulic fluid port.
3. braking system of engineering machinery according to claim 1 or 2 air boosting pump internal respiration structure, feature exist
In：The oil storage tank assembly is fixed on end cap.
4. braking system of engineering machinery according to claim 3 air boosting pump internal respiration structure, it is characterised in that：Institute
The gas circuit for being equipped in end cap and being connected to cylinder block is stated, the gas circuit outer end is equipped with end and is equipped with joint for respiratory device, and the breathing connects
Head is connected to epicoele by rubber hose.
5. braking system of engineering machinery according to claim 4 air boosting pump internal respiration structure, it is characterised in that：Institute
State the oil circuit for being equipped in end cap and being connected to hydraulic cylinder, the oil communication to cavity of resorption.
6. the braking system of engineering machinery air boosting pump internal respiration structure according to claim or 1 or 5, feature exist
In：The push-rod piston assembly is equipped with return spring, and push-rod piston assembly one end is supported on push-rod piston assembly, separately
One end is supported on cylinder cap.
7. braking system of engineering machinery according to claim 6 air boosting pump internal respiration structure, it is characterised in that：Institute
It states cylinder cap bottom and is equipped with mounting bracket.
8. braking system of engineering machinery according to claim 1 or claim 7 air boosting pump internal respiration structure, feature exist
In：The diaphragm is the membrane structure that area is more than oil storage tank assembly inner wall section product, and the diaphragm changes to epicoele or cavity of resorption protrusion
Become the volume of epicoele and cavity of resorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835595.8U CN207889694U (en) | 2017-12-25 | 2017-12-25 | Braking system of engineering machinery air boosting pump internal respiration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835595.8U CN207889694U (en) | 2017-12-25 | 2017-12-25 | Braking system of engineering machinery air boosting pump internal respiration structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207889694U true CN207889694U (en) | 2018-09-21 |
Family
ID=63549983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721835595.8U Active CN207889694U (en) | 2017-12-25 | 2017-12-25 | Braking system of engineering machinery air boosting pump internal respiration structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207889694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972652A (en) * | 2017-12-25 | 2018-05-01 | 芜湖盛力科技股份有限公司 | A kind of braking system of engineering machinery air boosting pump internal respiration structure |
-
2017
- 2017-12-25 CN CN201721835595.8U patent/CN207889694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972652A (en) * | 2017-12-25 | 2018-05-01 | 芜湖盛力科技股份有限公司 | A kind of braking system of engineering machinery air boosting pump internal respiration structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070095945A1 (en) | Device for conveying coating powder and method for conveying powder with the conveying device | |
| WO2008101368A1 (en) | Emulsion and check valve used in it | |
| CN209348965U (en) | A kind of auxiliary glue-supplying equipment | |
| CN207889694U (en) | Braking system of engineering machinery air boosting pump internal respiration structure | |
| CN103693281B (en) | A kind of emulsion vacuum pump device | |
| CN102079302B (en) | Air booster pump of engineering machinery brake system | |
| CN202690555U (en) | Booster cylinder | |
| CN110185593B (en) | Novel pressure of well of combined type device | |
| CN107972652A (en) | A kind of braking system of engineering machinery air boosting pump internal respiration structure | |
| CN115163467B (en) | Reciprocating pump capable of timely supplementing oil | |
| CN209502385U (en) | A kind of washer that can be sprayed water with automatic air blowing | |
| CN213928942U (en) | Inner oil tank for underwater robot | |
| CN207609706U (en) | Internal breathing spring braking air chamber | |
| CN211737424U (en) | Diaphragm pump capable of being used for conveying liquid sulfur | |
| CN202485552U (en) | Toy gun with pneumatic to hydraulic pressure amplifier | |
| CN205677891U (en) | A kind of high efficiency energy storage booster | |
| CN207716059U (en) | A kind of vacuum type hydraulic control tree-dozer lubricating oil injection apparatus | |
| CN210423238U (en) | Underwater air cylinder | |
| CN106795873B (en) | Positive displacement pump with fluid reservoir | |
| CN205714998U (en) | A kind of accumulation of energy cylinder of high efficiency energy storage supercharger | |
| CN214465728U (en) | Oil pressure balance braking brake pump | |
| CN218204708U (en) | Pressure equipment for fire hydrant | |
| CN117358522B (en) | High-efficiency low-consumption glue gun | |
| CN213016726U (en) | Extrusion type corrugated hose liquid pump | |
| CN221222383U (en) | Fluid infusion device of hydraulic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |