CN202468218U - Rapid disassembly and assembly piston for reciprocating compressor - Google Patents
Rapid disassembly and assembly piston for reciprocating compressor Download PDFInfo
- Publication number
- CN202468218U CN202468218U CN2012200239061U CN201220023906U CN202468218U CN 202468218 U CN202468218 U CN 202468218U CN 2012200239061 U CN2012200239061 U CN 2012200239061U CN 201220023906 U CN201220023906 U CN 201220023906U CN 202468218 U CN202468218 U CN 202468218U
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- piston
- piston body
- piston rod
- convex shoulder
- reciprocating compressor
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Abstract
The utility model discloses a rapid disassembly and assembly piston for a reciprocating compressor, which belongs to the technical field of compressors. The rapid disassembly and assembly piston for the reciprocating compressor comprises a piston rod and a piston body, wherein the top end of the piston rod is provided with a convex shoulder which is jointed with the bottom end of the piston body; the top end of the piston rod and/or the piston body is provided with a guide conical surface for guiding and positioning the piston body during assembling; and the piston body is connected with the top end of the piston rod through at least two bolts. According to the rapid disassembly and assembly piston for the reciprocating compressor, a user is allowed to directly replace wearing parts such as piston rings, support rings, and piston bodies under the condition of not disassembling the piston rod, the shutdown time is shortened greatly, the economic benefit of the compressor is increased, and the labor intensity of workers is lowered remarkably; and the rapid disassembly and assembly piston is suitable for popularizing and applying.
Description
Technical field
The utility model relates to a kind of piston, to a kind of piston that uses on the reciprocating compressor.
Background technique
At present, the reciprocating compressor pot type piston that in oil and chemical industry, uses, structure mainly is made up of piston rod, piston body, piston ring, supporting ring, nut etc. shown in figure six.When piston ring, supporting ring or piston body need be changed, the interior way of present stage industry was must piston rod be broken off from crosshead, take cylinder cap apart; Pull down whole piston again; More renew behind the part whole installing piston into cylinder, again piston rod is connected with crosshead, refill upper cylinder cover; And take two groups of air valves apart, regulate inside and outside stop gap then again in the reasonable scope.
Existing piston, its shortcoming is:
1. piston rod is huge with the workload that is connected with the disconnection of crosshead joint, and the compressor shutdown time is long;
2. must take two groups of air valves apart, and readjust inside and outside stop gap, prolong dead time once more.
The model utility content
The goal of the invention of the utility model is: to the problems referred to above, provide a kind of reciprocating compressor safe and reliable, easy to use quickly dismantled piston.This piston structure; Allow user's direct easily damaged partss such as rering, supporting ring and piston body more under the situation of not dismantling piston rod, shortened dead time greatly, improved the economic benefit of compressor; And obviously reduce installer's labor intensity, be fit to apply.
The technological scheme that the utility model adopts is following:
The quickly dismantled piston of the reciprocating compressor of the utility model; Comprise piston rod and piston body; The top of said piston rod is provided with the convex shoulder of fitting with the bottom of piston body; On the top and/or piston body of piston rod, the piston body when being provided with assembling carries out the guiding conical surface of guide-localization, and piston body is connected with the top of piston rod through at least two bolts.
Owing to adopted said structure, when needs are dismantled piston, only need be with disassembling bolts, and then piston body extracted get final product, its dismounting is very simple; During assembling, the guiding conical surface guarantees that the piston physical efficiency is in place smoothly, all closely cooperates radial and axial with piston rod, installs bolt again and gets final product.The quickly dismantled piston of the reciprocating compressor of the utility model, easy and simple to handle, easy to use, safe and reliable.Direct easily worn parts such as rering, supporting ring and piston body more under the situation of not dismantling piston rod; Shorten dead time greatly, improved the economic benefit of compressor, and obviously reduced installer's labor intensity; Reduced maintenance cost, be fit to apply.
The quickly dismantled piston of the reciprocating compressor of the utility model, the convex shoulder on piston rod top are matched with in the bottom of piston body, and on the bottom and/or convex shoulder of said piston body, the piston body when being provided with assembling carries out the guiding conical surface of guide-localization.
Owing to adopted said structure; Piston rod convex shoulder on the piston rod can cooperate with the hole of piston body bottom; And the top of piston rod convex shoulder is set to the conical surface that leads, and perhaps the bore edges of piston body bottom is set to the conical surface that leads, and perhaps all is provided with the guiding conical surface on the two; This guiding conical surface can be when piston assembles; The convex shoulder of piston rod can promptly slide in the hole of piston base with this conical surface that leads, and the piston rod convex shoulder is fitted in the piston body, thereby make it assemble very simple and fast; In the time of need dismantling simultaneously, only need be with disassembling bolts, piston body to be pulled out get final product then, it dismantles same simple and fast.The quickly dismantled piston of the reciprocating compressor of the utility model; Direct easily worn parts such as rering, supporting ring and piston body more under the situation of not dismantling piston rod; Shorten dead time greatly, improved the economic benefit of compressor, and obviously reduced installer's labor intensity; Reduced maintenance cost, be fit to apply.
The quickly dismantled piston of the reciprocating compressor of the utility model; The convex shoulder on said piston rod top is provided with the radial location section; Said radial location section and convex shoulder are matched with in the bottom of piston body; On the bottom of said piston body, convex shoulder and/or the radial location section, the piston body when being provided with assembling carries out the guiding conical surface of guide-localization.
Owing to adopted said structure; The bore edges of the bottom of piston body is provided with the guiding conical surface, perhaps at the edge of convex shoulder the guiding conical surface is set, perhaps the top at guide section is set to the conical surface that leads; Perhaps on the two in the bottom of piston body, convex shoulder, radial location section or the three guiding conical surface is set; When need be assemble the time to the piston of dismounting, piston body pushed cylinder after, the hole of piston body bottom contacts with guide section; Because guide section is provided with the guiding conical surface; The power that contacts between piston body and the guide section changes into the power of inclination, thereby guide section is slided in the hole of piston body bottom, so make piston rod convex shoulder and guide section can import with piston body in be mated.Therefore the piston of this structure makes it in the process of assembling, can assemble quickly and easily, thereby shorten the compressor shutdown time, and reduce the maintenance difficulty of piston, and economic benefit is obvious, is fit to apply.
The quickly dismantled piston of the reciprocating compressor of the utility model; The convex shoulder on said piston rod top is consistent with the piston body external diameter; And the bottom end of said convex shoulder and piston body is fitted, and on convex shoulder, is provided with the radial location section, and said radial location section is matched with in the bottom of piston body; The bottom of said piston body and/or radial location section are provided with, and the piston body during to assembling carries out the guiding conical surface of guide-localization.
Owing to adopted said structure, the edge of radial location section is set to the conical surface that leads, and perhaps the bottom bore edges of piston body is set to the conical surface that leads; The guiding conical surface perhaps all is set on the said two devices, and the applying of the bottom end of convex shoulder and piston body, when piston need be changed or change component; Bolt is taken down, piston body is pulled out get final product then, its dismounting is simple; And need not piston rod is removed, reduced the maintenance difficulty of piston widely; When the piston after changing need be ressembled, piston body pushed cylinder after, piston body is under the ramp effect of the guiding conical surface; Make piston body to be assembled together apace with piston rod, the applying of the bottom end of convex shoulder and piston body has limited being moved further of piston body; Also promptly be assembled to the position; Refill bolt, its whole dismounting and assembly process are simple, have reduced the difficulty of piston replacing widely and have shortened the compressor shutdown time; Economic benefit is obvious, makes this structure of piston to apply.
The quickly dismantled piston of the reciprocating compressor of the utility model, the top of said piston body are provided with at least one and pull out and draw screw, and said bolt passes piston body and is connected with the piston rod convex shoulder from the top of piston body.
Be connected with the piston rod convex shoulder owing to adopted said structure, bolt to pass piston body from the top of piston body, make can piston body and piston rod be linked together through bolt, structural stability, safe and reliable, guarantee that piston uses normally in compressor.Be provided with to pull out at the top of piston body and draw screw, when needs carry out disassembly-type to piston body, can be equipped with bolt in the screw pulling out to draw; Through to the bolt application of force; Piston body pulled out pull out, make that dismounting is very easy, thereby reduced maintenance difficulty and intensity; Reduced maintenance cost, be fit to apply.This pulls out and draws screw can be set at least one, and concrete number can confirm according to actual conditions, and is stressed evenly to satisfy it, can avoid piston body to cause damage pulling out when pulling out, and guarantees that its life-span is permanent, reduces maintenance cost.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
1, the quickly dismantled piston of the reciprocating compressor of the utility model allows the user not dismantling piston
Direct easily damaged partss such as rering, supporting ring and piston body more under the situation of bar have shortened dead time greatly, have improved the economic benefit of compressor;
2, the quickly dismantled piston of the reciprocating compressor of the utility model is easy and simple to handle, safety on the structure
Reliably;
3, the quickly dismantled piston of the reciprocating compressor of the utility model has reduced maintenance difficulty significantly
And intensity, reduced maintenance cost, be fit to apply.
Description of drawings
Fig. 1 is embodiment's 1 in the utility model a structural representation;
Fig. 2 is embodiment's 2 in the utility model a structural representation;
Fig. 3 is embodiment's 3 in the utility model a structural representation;
Fig. 4 is embodiment's 4 in the utility model a structural representation;
Fig. 5 is embodiment's 5 in the utility model a structural representation;
Fig. 6 is the structural representation of existing piston;
Fig. 7 is the structural representation of compressor;
Mark among the figure: 1-piston rod, 2-piston rod convex shoulder, 3-piston body, the 4-guiding conical surface, 5-supporting ring, 6-piston ring, 7-bolt, 8-pull out and draw on screw, the 9-piston convex shoulder body, 16-oil wiper, 17-filler, 18-cylinder, 19-piston, 20-cylinder cap, 21-piston rod and crosshead joint among radial location section, 10-piston unt, 11-fuselage, 12-bent axle, 13-connecting rod, 14-crosshead assembly, the 15-.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 7, be the structural representation of compressor, this compressor comprises fuselage 11, bent axle 12, connecting rod 13, crosshead assembly 14, middle body 15, oil wiper 16, filler 17, cylinder 18, piston 19, cylinder cap 20 and piston rod and crosshead joint 21; In this compressor, when piston ring 6, supporting ring or piston body 3 need to change, must piston rod be broken off from crosshead 21; Take cylinder cap apart, pull down whole piston again, more renew behind the part whole installing piston into cylinder; Again piston rod is connected with crosshead then; Refill upper cylinder cover, and pull down two groups of air valves, regulate inside and outside stop gap again in the reasonable scope.
Therefore to above-mentioned compressor, the utility model has designed a simple in structure, dismounting and the quickly dismantled piston of reciprocating compressor efficiently easy to assembly; As shown in Figure 1, this piston comprises piston rod 1 and piston body 3, and supporting ring 5 and piston ring 6 are housed on the said piston body 3; Fit in the bottom of the top of this piston rod 1 and piston body 3; And piston body 3 passes piston body 3 through four bolts 7 and is connected with the top of piston rod 1, and is provided with 1 at the top of piston body 3 and pulls out and draw screw 8, is provided with convex shoulder 2 alive on the top of piston rod 1; The top of said convex shoulder 2 conical surface 4 that is set to lead; And the piston body 3 during 4 pairs of assemblings of this guiding conical surface plays the effect of radially-directed location, imports the piston rod convex shoulder 2 in the piston body 3 when making assembling, fits in the piston body 3.
Among this embodiment, when needing more easily damaged parts such as rering, supporting ring and piston body when compressor, disassembly process is following:
1. pull down cylinder cap;
2. utilize compressor jiggering device to make piston motion arrive outer dead point;
3. adopt special tools such as lengthening spanner or transit joint, pull down all bolts 7 on the piston;
4. utilize piston handle or stay bolt to extract piston body 3, comprise piston ring 6 and supporting ring 5 on the piston body 3;
5. after more renewing part, piston body 3 is packed in the cylinder, utilize the guiding conical surface 4 at piston rod convex shoulder 2 tops on the piston rod 1 to let piston body 3 locate automatically;
6. utilize special tool to tighten all bolts 7, refill upper cylinder cover.
So quickly dismantled piston of reciprocating compressor of the utility model; Direct easily worn parts such as rering, supporting ring and piston body more under the situation of not dismantling piston rod; Reduce its workload widely, shortened dead time, improved the economic benefit of compressor; Reduced maintenance difficulty and intensity significantly, reduced maintenance cost, be fit to apply.
Embodiment 4 is similar with embodiment 2, and is as shown in Figure 4, and its difference is: the convex shoulder 2 of piston rod 1 is consistent with piston body 3 external diameters, and said convex shoulder 2 is fitted with piston body 3 bottoms.
According to the foregoing description, the said guiding conical surface 4 can be arranged on bore edges in the bottom of radial location section 9 edges or piston body 3 of top or piston rod convex shoulder 2 of the convex shoulder 2 on the piston rod 1.
The quickly dismantled piston of the reciprocating compressor of the utility model, easy and simple to handle, safe and reliable; Direct easily worn parts such as rering, supporting ring and piston body more under the situation of not dismantling piston rod have reduced its workload widely, have shortened dead time; Improved the economic benefit of compressor; Simultaneously reduced maintenance difficulty and intensity significantly, reduced maintenance cost, be fit to apply.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. the quickly dismantled piston of reciprocating compressor; It is characterized in that: it comprises piston rod (1) and piston body (3); The top of said piston rod (1) is provided with the convex shoulder (2) of fitting with the bottom of piston body (3); On the top and/or piston body (3) of piston rod (1), the piston body (3) when being provided with assembling carries out the guiding conical surface (4) of guide-localization, and piston body (3) is connected with the top of piston rod (1) through at least two bolts (7).
2. the quickly dismantled piston of reciprocating compressor as claimed in claim 1; It is characterized in that: the convex shoulder (2) on piston rod (1) top is matched with in the bottom of piston body (3); On the bottom of said piston body (3) and/or the convex shoulder (2), the piston body (3) when being provided with assembling carries out the guiding conical surface (4) of guide-localization.
3. the quickly dismantled piston of reciprocating compressor as claimed in claim 1; It is characterized in that: the convex shoulder (2) on said piston rod (1) top is provided with radial location section (9); Said radial location section (9) is matched with in the bottom of piston body (3) with convex shoulder (2); On the bottom of said piston body (3), convex shoulder (2) and/or the radial location section (9), the piston body (3) when being provided with assembling carries out the guiding conical surface (4) of guide-localization.
4. the quickly dismantled piston of reciprocating compressor as claimed in claim 1; It is characterized in that: the convex shoulder (2) on said piston rod (1) top is consistent with piston body (3) external diameter; And said convex shoulder (2) is fitted with the bottom end of piston body (3); On convex shoulder (2), be provided with radial location section (9); Said radial location section (9) is matched with in the bottom of piston body (3), and on the bottom of said piston body (3) and/or the radial location section (9), the piston body (3) when being provided with assembling carries out the guiding conical surface (4) of guide-localization.
5. like the quickly dismantled piston of each described reciprocating compressor in the claim 1 to 4; It is characterized in that: the top of said piston body (3) is provided with at least one and pulls out and draw screw (8), and said bolt (7) passes piston body (3) and is connected with piston rod convex shoulder (2) from the top of piston body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200239061U CN202468218U (en) | 2012-01-19 | 2012-01-19 | Rapid disassembly and assembly piston for reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200239061U CN202468218U (en) | 2012-01-19 | 2012-01-19 | Rapid disassembly and assembly piston for reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468218U true CN202468218U (en) | 2012-10-03 |
Family
ID=46916379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200239061U Expired - Fee Related CN202468218U (en) | 2012-01-19 | 2012-01-19 | Rapid disassembly and assembly piston for reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470474A (en) * | 2013-08-31 | 2013-12-25 | 蚌埠高科能源装备有限公司 | Novel small-diameter piston component structure |
-
2012
- 2012-01-19 CN CN2012200239061U patent/CN202468218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470474A (en) * | 2013-08-31 | 2013-12-25 | 蚌埠高科能源装备有限公司 | Novel small-diameter piston component structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140119 |