CN203257661U - Reciprocating pump plunger fixing device - Google Patents
Reciprocating pump plunger fixing device Download PDFInfo
- Publication number
- CN203257661U CN203257661U CN 201320240960 CN201320240960U CN203257661U CN 203257661 U CN203257661 U CN 203257661U CN 201320240960 CN201320240960 CN 201320240960 CN 201320240960 U CN201320240960 U CN 201320240960U CN 203257661 U CN203257661 U CN 203257661U
- Authority
- CN
- China
- Prior art keywords
- reciprocating pump
- plunger
- crosshead
- fixing device
- pump plunger
- 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 relates to a reciprocating pump plunger fixing device to solve the problems that a crosshead of an existing plunger pump and a plunger of the existing plunger pump are connected through adjusting nuts and then locked through a flange, due to the fact that reciprocating force is exerted on the nuts, threads of the nuts are prone to deformation, the nuts are even broken due to the fatigue limit, therefore, a phenomenon that external threads of the crosshead are locked appears, or the nuts are difficult to detach or can not be detached when corrosion caused by copper liquid leakage occurs to the threads, the maintenance time is long, and work efficiency is low. The reciprocating pump plunger fixing device comprises a crosshead (2) which is connected with a reciprocating pump plunger (1), wherein the head portion of the plunger is arranged in the crosshead through a pressing block (3), the pressing block is pressed through a pressing sleeve (4), and the pressing sleeve is pressed through a flange gland (5). The reciprocating pump plunger fixing device is used as a fixing mechanism of the reciprocating pump plunger.
Description
Technical field
The utility model relates to a kind of reciprocating pump accessory, is specifically related to a kind of reciprocating pump plunger fixing device.
Background technique
Reciprocating pump is to rely on piston, plunger or barrier film to-and-fro motion in pumping cylinder that swept volume in the cylinder is alternately increased and dwindle to carry liquid or make it the positive displacement pump of supercharging.Reciprocating pump is divided into 3 types of reciprocating pump, plunger pump and diaphragm pumps by the reciprocal element difference.Plunger pump is an important device of hydraulic system.It relies on plunger to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize oil suction, force feed.The crosshead of existing plunger pump adopts adjusting nut to connect with being connected of plunger, then adopt flange locking, because be subject to the effect of reciprocating force, in the past for a long time, the screw thread of gland nut is out of shape easily, even because of fatigue limit so that nut break, the lock sheet of nut also can often be relaxed and be come off, when the lock sheet of the distortion of the screw thread of nut or nut comes off, the phenomenon that the crosshead internal thread is killed will appear, or all can cause the nut dismounting difficulty maybe can't dismantle when producing corrosion because of copper liquid seepage double thread, maintenance time is long, inefficiency.
The model utility content
The purpose of this utility model is that the problem for above-mentioned existence provides a kind of reciprocating pump plunger fixing device, so that being connected between plunger and the crosshead is simple and reliable, mounting or dismounting are convenient, and labor intensity is low, and maintenance time is short.
Above-mentioned purpose is achieved through the following technical solutions:
The reciprocating pump plunger fixing device comprises the crosshead that is connected with the reciprocating pump plunger, and described plunger head is installed in described crosshead the inside by briquetting, and described briquetting compresses by gland, and described gland compresses by the flange gland.
Described reciprocating pump plunger fixing device, described flange gland is installed on the described crosshead by bolt.
Described reciprocating pump plunger fixing device, described bolt adopt 4-6.
Described reciprocating pump plunger fixing device is provided with spherical pad between the head of described plunger and the described crosshead.
Described reciprocating pump plunger fixing device is provided with sealing gasket between described flange gland and the described gland.
Beneficial effect:
1. the utility model will fixedly be changed into the flange gland by what nut was realized, avoid after thread abrasion, the burn into distortion impact on plunger, flange gland easy accessibility, connect simple and reliable, labor intensity obviously reduces, and maintenance time is also than before greatly shortening high working efficiency.
2. with bolts between flange gland of the present utility model and the crosshead, easy accessibility, reliable and stable.
3. in order to guarantee the material stress of crosshead, simultaneously stable connection the between flange and the crosshead, bolt of the present utility model adopts 4-6 individual better, if bolt is too much, can destroy the stress of crosshead, so that the easy fracture of crosshead, if bolt is very few, can cause connecting unstable.
4. enter the head of plunger for fear of some with corrosive liquid, the utility model is provided with sealing gasket between flange gland and gland, play good protective action.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Reference numerals list: 1-reciprocating pump plunger, 2-crosshead, 3-briquetting, 4-gland, 5-flange gland, 6-bolt, 7-spherical pad, 8-sealing gasket.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
Embodiment 1:
Fig. 1 is structural representation of the present utility model, as we can see from the figure, reciprocating pump plunger fixing device of the present utility model, comprise the crosshead 2 that is connected with reciprocating pump plunger 1, described plunger head is installed in described crosshead the inside by briquetting 3, described briquetting compresses by gland 4, and described gland compresses by flange gland 5.
Embodiment 2:
Present embodiment and embodiment's 1 difference is that described flange gland is installed on the described crosshead by bolt 6.Bolt dismantling is convenient.
Embodiment 3:
Embodiment's 2 described reciprocating pump plunger fixing devices, described bolt adopt 4-6.
Embodiment 4:
The difference of present embodiment and above-described embodiment is that described reciprocating pump plunger fixing device is provided with spherical pad 7 between the head of described plunger and the described crosshead.
Embodiment 5:
The difference of present embodiment and above-described embodiment is that described reciprocating pump plunger fixing device is provided with sealing gasket 8 between described flange gland and the described gland.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technological scheme that is comprised of above technical characteristics combination in any.Unaccomplished matter of the present utility model belongs to those skilled in the art's common practise.
Claims (6)
1. reciprocating pump plunger fixing device, comprise the crosshead that is connected with the reciprocating pump plunger, it is characterized in that: described plunger head is installed in described crosshead the inside by briquetting, and described briquetting compresses by gland, and described gland compresses by the flange gland.
2. reciprocating pump plunger fixing device according to claim 1, it is characterized in that: described flange gland is installed on the described crosshead by bolt.
3. reciprocating pump plunger fixing device according to claim 2 is characterized in that: 4-6 of described bolt employing.
4. it is characterized in that: be provided with spherical pad between the head of described plunger and the described crosshead according to claim 1 and 2 or 3 described reciprocating pump plunger fixing devices.
5. it is characterized in that: be provided with sealing gasket between described flange gland and the described gland according to claim 1 and 2 or 3 described reciprocating pump plunger fixing devices.
6. reciprocating pump plunger fixing device according to claim 4 is characterized in that: be provided with sealing gasket between described flange gland and the described gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240960 CN203257661U (en) | 2013-05-07 | 2013-05-07 | Reciprocating pump plunger fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240960 CN203257661U (en) | 2013-05-07 | 2013-05-07 | Reciprocating pump plunger fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257661U true CN203257661U (en) | 2013-10-30 |
Family
ID=49470230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320240960 Expired - Fee Related CN203257661U (en) | 2013-05-07 | 2013-05-07 | Reciprocating pump plunger fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502978A (en) * | 2020-04-15 | 2020-08-07 | 陕西航天动力高科技股份有限公司 | Connecting device for plunger and power end of diaphragm pump |
| CN113492547A (en) * | 2020-03-19 | 2021-10-12 | 赵珠显 | Toggle type punching machine |
-
2013
- 2013-05-07 CN CN 201320240960 patent/CN203257661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492547A (en) * | 2020-03-19 | 2021-10-12 | 赵珠显 | Toggle type punching machine |
| CN111502978A (en) * | 2020-04-15 | 2020-08-07 | 陕西航天动力高科技股份有限公司 | Connecting device for plunger and power end of diaphragm pump |
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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: 20131030 Termination date: 20150507 |
|
| EXPY | Termination of patent right or utility model |