CN206129966U - Nitrogen explodes device - Google Patents

Abstract

The utility model discloses a nitrogen explodes device, plunger or piston rod in including the cylinder body and arranging the cylinder body in, form the cylinder body chamber that has certain space in the cylinder body the cylinder body intracavity is full of the nitrogen gas that has certain pressure plunger or piston rod bottom are connected with the installation limiting plate, the installation limiting plate is used for advancing the line control to the upper pole restricted driving journey of plunger or piston rod, plunger or piston rod move the spacing stroke of putting of upper pole by lower limit position and are lighter than plunger or piston rod in the cylinder body clear height degree an of cavity when the lower limit position. The utility model discloses a nitrogen explodes device has carried out accurate control to the upper and lower stroke of plunger or piston rod, moves upper pole at plunger or piston rod and when spacing, still leave in the cylinder body and satisfy the safe stroke space that requires, and is applicable in complicated operational environment, plays effective protection nitrogen explodes device's purpose.

Description

A kind of quick-fried device of nitrogen

Technical field

This utility model belongs to flexible member technical field, the quick-fried dress of the more particularly to a kind of nitrogen suitable for large-scale disintegrating apparatus Put.

Background technology

Nitrogen is a kind of noble gases, with ins and outs：When being acted on by external force, nitrogen is compressible, and will can compress Energy storage is got up, and when unloading external force stopping compression, nitrogen occurs rapid expansion, the quick-fried phenomenon of generation nitrogen.Nitrogen compression and it is swollen During swollen, when control is in certain pressure scope, nitrogen is substantially at adiabatci condition, and its heat stability is good, is difficult to change into Heat, meanwhile, nitrogen can obtain certain elastic force pressure in the quick-fried expansion process of nitrogen, therefore wide with nitrogen spring made by nitrogen It is general to be applied to the fields such as mould, automobile, electronics, instrument.This nitrogen spring compares traditional flexible member, small volume, pressure Greatly, life-span length, can reach more than 1,000,000 times, while in the course of the work, can keep more constant elastic force pressure.

It is smaller that the structure of existing nitrogen spring is primarily adapted for use in volume, it is desirable to the less big engineering equipment of the quick-fried power of nitrogen In, and large-scale engineering equipment, the especially requirement in engineering disintegrating apparatus field cannot be applied to, and existing nitrogen spring pair Can not adapt to very well in complicated working environment, such as due to caused by misoperation equipment land suddenly, or due to engineering bar Part complexity causes device to cross stroke and makes it bear excessive pressure effect.

Utility model content

Goal of the invention of the present utility model is：For above-mentioned problem, there is provided one kind can be applied to large-scale broken Broken equipment, and upper and lower stroke precise control is capable of achieving, structure safety and stability is reliable, install the easily manufactured quick-fried device of nitrogen.

The technical scheme implementation of this utility model technology：A kind of quick-fried device of nitrogen, including cylinder body and be placed in cylinder body Plunger or piston rod, the cylinder chamber with certain space is formed in the cylinder body, it is certain full of having in the cylinder body intracavity The nitrogen of pressure, it is characterised in that：Installation limiting plate is connected with the plunger or piston rod bottom, the installation limiting plate is used It is controlled in the limit superior stroke to plunger or piston rod, the plunger or piston rod move to limit superior by lower limit position Free height a of the stroke of position less than the plunger or piston rod inner chamber of cylinder block body in lower limit position.

The quick-fried device of nitrogen described in the utility model, its described external diameter or the length of side for installing limiting plate is more than plunger or piston rod External diameter, when the plunger or piston rod are in lower limit position, the installation limiting plate upper surface is between cylinder body lower surface Distance be plunger or piston rod high-low limit motion amplitude b, i.e. plunger or piston rod move to upper pole by lower limit position Extreme position moves to the stroke of lower limit position by upper extreme position.

The quick-fried device of nitrogen described in the utility model, its described cylinder body for up/down perforation opening structure, on the cylinder body top Portion is fixedly connected with top cover, and the cylinder body is made up of cylinder body coupling part, cylinder body targeting part and cylinder body chamber portion, described Top cover is tightly connected by the second sealing ring with cylinder body coupling part, between the cylinder body targeting part and plunger or piston rod It is provided with the first sealing ring.

The quick-fried device of nitrogen described in the utility model, its described cylinder body targeting part is the boss knot extended to cylinder body inner side Structure, radially side forms lobe to the plunger head or the piston rod part is socketed with piston, the plunger top The boss top cooperation of the lobe in portion or the piston of piston rod part and cylinder body targeting part, formation plunger or piston rod Lower limit position.

The quick-fried device of nitrogen described in the utility model, its described cylinder body coupling part radially forms to cylinder body outside and installs convex Platform, second sealing ring is arranged between top cover and cylinder body coupling part, and second sealing ring is nested in top cover or cylinder body In annular groove on coupling part.

The quick-fried device of nitrogen described in the utility model, it is provided with multiple annular grooves, institute on the cylinder body targeting part State the first sealing ring to be nested in the annular groove of the medial wall on cylinder body targeting part top.

The quick-fried device of nitrogen described in the utility model, it is provided between the cylinder body targeting part and plunger or piston rod Dust ring, the dust ring is nested in the annular groove of the medial wall of cylinder body targeting part bottom.

The quick-fried device of nitrogen described in the utility model, it is provided between the cylinder body targeting part and plunger or piston rod At least one guide ring, the guide ring is arranged between the first sealing ring and dust ring, and is nested in cylinder body targeting part In the annular groove of medial wall.

The quick-fried device of nitrogen described in the utility model, it is provided with pore on the top cover, and the pore is connected with air valve Composition, the air valve composition includes relief valve and charge valve, arranges anti-between the cylinder base and plunger or piston rod bottom Dust hood, the tensile elongation of the dust cover is not less than plunger or the high-low limit motion amplitude of piston rod.

The quick-fried device of nitrogen described in the utility model, its described top cover inwall is provided with downward extension, the extension Portion bottom surface is not more than cylinder body bottom surface and installs the distance between limiting plate b, institute with the distance between plunger or piston rod top surface d Extension is stated for being controlled to the limit superior stroke of plunger or piston rod, bottom surface and the top cover inwall of the extension The distance between c meet safety travel requirement, when plunger or piston rod movement are to upper extreme position, the plunger or piston rod Top contacts with extension.

Based on above-mentioned technical proposal, the beneficial effects of the utility model are：

1st, the quick-fried device of nitrogen of the present utility model is accurately controlled to the stroke up and down of plunger or piston rod, applicable In complex work environment, the purpose of the quick-fried device of effective protection nitrogen is played.

2nd, the quick-fried device of nitrogen of the present utility model is spacing by the guiding and limit inferior that cylinder body provides plunger or piston rod so that knot Structure is compacter, and parts are reduced, Stability Analysis of Structures reliability.

3rd, the quick-fried device of nitrogen of the present utility model can make full use of the quick-fried property of the nitrogen of nitrogen, for disintegrating apparatus in, can be notable Improve the performance of disintegrating apparatus, comprising reduction noise, strengthen the one of impulsive force, raising crushing efficiency and raising capacity usage ratio Plant or various features.

Description of the drawings

Fig. 1 is the section of structure of the quick-fried device of plunger type nitrogen in this utility model.

Fig. 2 is the section of structure of cylinder body in this utility model.

Fig. 3 is the section of structure of the quick-fried device of piston type nitrogen in this utility model.

Fig. 4 is a kind of upper limit embodiment of the quick-fried device of nitrogen in this utility model.

Fig. 5 is another kind of upper limit embodiment of the quick-fried device of nitrogen in this utility model.

Fig. 6 is a kind of embodiment of the quick-fried device of nitrogen containing dust cover in this utility model.

Labelling in figure：1 is the quick-fried device of nitrogen, and 2 is cylinder body, and 211 is cylinder body coupling part, and 212 is cylinder body targeting part, 213 For cylinder body chamber portion, 22 is cylinder chamber, and 221 is upper cylinder half chamber, and 222 is lower cylinder chamber, and 3 is top cover, and 31 is pore, and 32 are connection dress Put, 33 is extension, and 4 is plunger or piston rod, and 41 is lobe, and 42 is piston, and 44 to install limiting plate, and 51 is first close Seal, 52 is the second sealing ring, and 53 is dust ring, and 6 is guide ring, and 7 are air valve composition, and 8 is dust cover.

Specific embodiment

Below in conjunction with the accompanying drawings, this utility model is described in detail.

Although this utility model admits of the embodiment of multi-form, the specification and drawings disclose only such as this reality With some particular forms of new example.But this utility model is not intended to be limited to described embodiment.This utility model Scope be given in the appended claims.

Describe for convenience, embodiment of the present utility model is illustrated with being typically oriented, the orientation causes to work as the quick-fried dress of nitrogen Put when vertically standing with plunger or piston rod as bottom, air valve is top, " longitudinal direction ", " horizontal " used in description " on ", D score, The term such as "front", "rear", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is both referred to this position and uses, only It is to describe for the ease of describing this utility model and simplifying, rather than indicates or imply that the device or element of indication there must be spy Fixed orientation and specific azimuth configuration and operation, it should be understood that this utility model can be differently configured from described position Orientation is manufactured, is deposited, is transported, used and sold.

The quick-fried device of nitrogen of the present utility model is applied to various external carriers, is particularly suited for a kind of Rock And Soil and coagulating cement The disintegrating apparatus of soil and armored concrete.Although although the disintegrating apparatus its details is not shown or described, disintegrating apparatus sheet Body does not form any part of main aspect of the present utility model, therefore is not intended to be limited.People in the art Member is it will also be understood that novel and non-obvious creative aspect is had only in the quick-fried device of nitrogen described in the utility model Specifically embodied.

As shown in figure 1, a kind of cross-section structure of the quick-fried device 1 of plunger type nitrogen, for ease of description, in shown preferred embodiment In, the quick-fried device unit of nitrogen in preferred embodiment is referred to reference 1.

The quick-fried device 1 of the nitrogen includes cylinder body 2 and the plunger 4 being placed in cylinder body 2, and the cylinder body 2 is up/down perforation opening Structure, be fixedly connected with top cover 3 at the top of the cylinder body 2, the mode that it is fixedly connected is including but not limited to bolt connection, institute State and formed in cylinder body 2 cylinder chamber 22 with certain space, full of the nitrogen with certain pressure, institute in the cylinder chamber 22 Plunger is stated for compressed nitrogen and receives nitrogen expansion power, the cylinder chamber has enough spaces to provide plunger in pole up and down The space of limit motion.

Wherein, pore 31 is provided with the top cover 3, the pore 31 is connected with air valve composition 7, the air valve composition can For being filled with nitrogen or discharging nitrogen, distinguishingly, air valve can also be used for the situation for needing to adjust gas pressure, such as when extraneous ring Border（The factors such as power, temperature）Change, causes nitrogen pressure force value in cylinder chamber 22 to exceed the reasonable working range of regulation or exceed During secure setting, need to carry out release, or after being worked for a period of time due to disintegrating apparatus, nitrogen partial leakage causes pressure Decline, when needs are supplemented, or the work condition environment more complicated in order to adapt to disintegrating apparatus, need dynamic adjustment nitrogen pressure During power, can realize adjusting by air valve composition.The top cover 3 is additionally provided with the attachment means 32 for external equipment, described Attachment means 32 can be the extension laterally of top cover 3, or the connecting hole arranged on top cover 3.

In the present embodiment, the air valve composition 7 includes relief valve and charge valve, and relief valve and charge valve can independently set Put.In the quick-fried device course of work of nitrogen, by external high temperature environment or other reasonses, nitrogen pressure in cylinder chamber 22 is caused to exceed During the pressure of normal work setting, the automatic exhaust pressure relief of relief valve keeps nitrogen pressure to stablize.Alternatively, the air valve group Relief valve and charge valve in may also set up integral structure.

As shown in Fig. 2 the cylinder body 2 is by cylinder body coupling part 211, cylinder body targeting part 212 and cylinder body chamber portion 213 compositions, the cylinder chamber 22 is made up of upper cylinder half chamber 221 and lower cylinder chamber 222, the upper cylinder half chamber 221 with diameter greater than lower cylinder chamber 222 diameter.It is a kind of preferred in order to strengthen the bonding strength of cylinder body and top cover due to the finite thickness of cylinder body chamber portion 213 Ground embodiment is radially to form installation base to the outside of cylinder body 2 in the cylinder body coupling part 211；The cylinder body targeting part 212 is the boss structure extended to the inner side of cylinder body 2, and the cylinder body targeting part 212 is used to keep plunger 4 up and down reciprocatingly to transport Dynamic, and keep dynamic matching relationship with it, radially side forms lobe 41 to the plunger head, the plunger head it is convex Play portion 41 to coordinate with the boss top of cylinder body targeting part 212, form the lower limit position of plunger.

Alternatively, as shown in figure 3, showing the cross-section structure of another kind of embodiment of the quick-fried device 1 of nitrogen, the quick-fried device of the nitrogen is The quick-fried device of piston type nitrogen, in this embodiment, with piston rod plunger is replaced, meanwhile, arrange at the position near the top of piston rod 4 There is piston 42, on the piston 42 guidance tape is nested with（It is not shown）, the piston 42 and cylinder body 2 keep dynamic fit relation, The piston 42 coordinates with the boss top of cylinder body targeting part 212, forms the lower limit position of piston rod.

For ensure the nitrogen safe and stable work of quick-fried device 1, the quick-fried device 1 of nitrogen be provided with it is various offer plungers or piston rod 4 it is upper Limit travel control mode, this limit superior Stroke Control causes the quick-fried device of nitrogen suitable for using under complex work environment, for example, Because misoperation causes disintegrating apparatus to land suddenly, or due to engineering specifications complexity（Such as surface irregularity）, cause The quick-fried device of nitrogen crosses stroke so as to bear excessive pressure condition.

A kind of embodiment for preferably controlling plunger or the limit superior stroke of piston rod 4, as shown in figure 4, in the plunger or The bottom of piston rod 4 is connected with installation limiting plate 44, and the limiting plate 44 of installing is for the limit superior stroke to plunger or piston rod 4 It is controlled, the external diameter or the length of side for installing limiting plate 44 is more than the external diameter of plunger or piston rod 4, when the plunger or piston In lower limit position, the distance between described upper surface of installation limiting plate 44 to the lower surface of cylinder body 2 is plunger or piston rod to bar 4 4 high-low limit motion amplitude b, i.e. plunger or piston rod 4 move to upper extreme position or by limit superior by lower limit position Position moves to the stroke of lower limit position, and the plunger or the high-low limit motion amplitude b of piston rod 4 are less than plunger or piston rod 4 in lower limit position the inner chamber body of cylinder body 2 free height a, and both difference c meets safety travel requirement, wherein, free height a Refer to when plunger or piston rod 4 move to lower limit position, the surface at the inwall of top cover 3 and plunger or the top of piston rod 4 it Between distance, when plunger or piston rod 4 move to upper extreme position, the installation limiting plate 44 of plunger or piston rod bottom and cylinder The bottom contact of body 2.

Wherein, be provided with sealing device in the quick-fried device 1 of the nitrogen, the sealing device be used to preventing helium leak and External dust is entered, and it includes the first sealing ring 51, the second sealing ring 52 and dust ring 53, and the top cover 3 is by the second sealing Circle 52 is tightly connected with cylinder body coupling part 211, second sealing ring 52 be arranged on top cover 3 and cylinder body coupling part 211 it Between, second sealing ring 52 be nested in top cover 3 or cylinder body coupling part 211 on annular groove in.

Multiple annular grooves are provided with the cylinder body targeting part 212, first sealing ring 51 is arranged on cylinder body Between targeting part 212 and plunger 4, first sealing ring 51 is nested in the medial wall near the top of cylinder body targeting part 212 Annular groove in；The dust ring 53 is arranged between cylinder body targeting part 212 and plunger or piston rod 4, the dust ring 53 are nested in the annular groove of the medial wall of the bottom of cylinder body targeting part 212；In the cylinder body targeting part 212 and post The guide ring 6 at least together with high-wearing feature is provided between plug or piston rod 4, twice, the guide ring are preferentially set Preferentially select polytetrafluoroethylmaterial material, but be also not excluded for other suitable materials, the guide ring 6 be arranged on the first sealing ring 51 with Between dust ring 53, and it is nested in the annular groove of the medial wall of cylinder body targeting part 212.It is contemplated to, in order to improve Sealing effectiveness and reduction friction, can lubricate in the injection of the fit-up gap between sealing device and guide ring and plunger or piston rod 4 Oil.

Another kind preferably controls the embodiment of plunger or the limit superior stroke of piston rod 4, as shown in figure 5, when plunger or work When stopper rod 4 is longer, the inwall of the top cover 3 is provided with downward extension 33, the bottom surface of the extension 33 and plunger or work The distance between the top surface of stopper rod 4 d is not more than the bottom surface of cylinder body 2 and installs the distance between limiting plate 44 b, and the extension 33 is used Be controlled in the limit superior stroke to plunger or piston rod 4, between the bottom surface of the extension 33 and the inwall of top cover 3 away from Meet safety travel requirement from c, when plunger or piston rod 4 move to upper extreme position, the plunger or the top of piston rod 4 with Extension 33 contacts.

As shown in fig. 6, the dust in the dust or external environment in order to prevent the course of work enters the cylinder of the quick-fried device 1 of nitrogen In body cavity 22, dust cover 8 is set between the bottom of the cylinder body 2 and plunger or the bottom of piston rod 4, the stretching of the dust cover is long Degree is moved with ensureing that the quick-fried device of nitrogen has not less than plunger or the high-low limit motion amplitude of piston rod 4 in high-low limit position Space.

Erection sequence of the present utility model is：First plunger or piston rod are inserted in from the upper shed of cylinder body, then again will top Lid be fixed on cylinder body, finally again by the bottom of plunger or piston rod with installation limiting plate be connected.It is suitable when parts are changed in maintenance Sequence is just contrary.

Above content is to combine specific optimal technical scheme further detailed description of the utility model, it is impossible to Identification is of the present utility model to be embodied as only limitation and these explanations.For the ordinary skill of this utility model art For personnel, on the premise of this utility model design has not been taken off, some simple deduction or replace can also be made, and all are not Depart from spirit and scope of the present utility model technical scheme and and its improve, its all should cover right of the present utility model will In seeking scope.

Claims (10)

1. a kind of quick-fried device of nitrogen, including cylinder body（2）And it is placed in cylinder body（2）Interior plunger or piston rod（4）, the cylinder body（2） It is interior to form the cylinder chamber with certain space（22）, in the cylinder chamber（22）It is interior full of the nitrogen with certain pressure, it is special Levy and be：In the plunger or piston rod（4）Bottom is connected with installation limiting plate（44）, the installation limiting plate（44）For right Plunger or piston rod（4）Limit superior stroke be controlled, the plunger or piston rod（4）Upper pole is moved to by lower limit position The stroke of extreme position is less than plunger or piston rod（4）The cylinder body in lower limit position（2）The free height a of inner chamber body.

2. the quick-fried device of nitrogen according to claim 1, it is characterised in that：The installation limiting plate（44）External diameter or the length of side it is big In plunger or piston rod（4）External diameter, when the plunger or piston rod（4）In lower limit position, the installation limiting plate （44）Upper surface is to cylinder body（2）The distance between lower surface is plunger or piston rod（4）High-low limit motion amplitude b, i.e. post Plug or piston rod（4）Upper extreme position is moved to by lower limit position or the row of lower limit position is moved to by upper extreme position Journey.

3. the quick-fried device of nitrogen according to claim 1, it is characterised in that：The cylinder body（2）For the structure of up/down perforation opening, In the cylinder body（2）Top is fixedly connected with top cover（3）, the cylinder body（2）By cylinder body coupling part（211）, cylinder body guide part Point（212）And cylinder body chamber portion（213）Composition, the top cover（3）By the second sealing ring（52）With cylinder body coupling part （211）It is tightly connected, in the cylinder body targeting part（212）With plunger or piston rod（4）Between be provided with the first sealing ring （51）.

4. the quick-fried device of nitrogen according to claim 3, it is characterised in that：The cylinder body targeting part（212）It is to cylinder body（2） The boss structure that inner side extends, radially side forms lobe to the plunger head（41）Or the piston rod part set It is connected to piston（42）, the lobe of the plunger head（41）Or the piston of piston rod part（42）With cylinder body targeting part （212）Boss top coordinate, form plunger or piston rod（4）Lower limit position.

5. the quick-fried device of nitrogen according to claim 3, it is characterised in that：The cylinder body coupling part（211）Radially to cylinder Body（2）Outside forms installation base, second sealing ring（52）It is arranged on top cover（3）With cylinder body coupling part（211）Between, Second sealing ring（52）It is nested in top cover（3）Or cylinder body coupling part（211）On annular groove in.

6. the quick-fried device of nitrogen according to claim 3, it is characterised in that：In the cylinder body targeting part（212）On be provided with Multiple annular grooves, first sealing ring（51）It is nested near cylinder body targeting part（212）The annular of the medial wall on top In groove.

7. the quick-fried device of nitrogen according to claim 6, it is characterised in that：In the cylinder body targeting part（212）With plunger or Piston rod（4）Between be provided with dust ring（53）, the dust ring（53）It is nested near cylinder body targeting part（212）Bottom In the annular groove of medial wall.

8. the quick-fried device of nitrogen according to claim 7, it is characterised in that：In the cylinder body targeting part（212）With plunger or Piston rod（4）Between be provided with least one guide ring（6）, the guide ring（6）It is arranged on the first sealing ring（51）With it is dust-proof Circle（53）Between, and it is nested in cylinder body targeting part（212）Medial wall annular groove in.

9. the quick-fried device of nitrogen according to claim 3, it is characterised in that：In the top cover（3）On be provided with pore（31）, institute State pore（31）It is connected with air valve composition（7）, the air valve composition（7）Including relief valve and charge valve, the cylinder body（2）Bottom With plunger or piston rod（4）Dust cover is set between bottom（8）, the tensile elongation of the dust cover is not less than plunger or piston rod （4）High-low limit motion amplitude.

10. the quick-fried device of nitrogen according to any one in claim 3 to 9, it is characterised in that：The top cover（3）Inwall sets It is equipped with downward extension（33）, the extension（33）Bottom surface and plunger or piston rod（4）The distance between top surface d is not More than cylinder body（2）Bottom surface and installation limiting plate（44）The distance between b, the extension（33）For to plunger or piston rod （4）Limit superior stroke be controlled, the extension（33）Bottom surface and top cover（3）The distance between inwall c meets peace Total travel is required, when plunger or piston rod（4）When moving to upper extreme position, the plunger or piston rod（4）Top and extension Part（33）Contact.