CN202468266U - Hydraulic end part supporting structure for high-pressure plunger pump - Google Patents
Hydraulic end part supporting structure for high-pressure plunger pump Download PDFInfo
- Publication number
- CN202468266U CN202468266U CN2011205407552U CN201120540755U CN202468266U CN 202468266 U CN202468266 U CN 202468266U CN 2011205407552 U CN2011205407552 U CN 2011205407552U CN 201120540755 U CN201120540755 U CN 201120540755U CN 202468266 U CN202468266 U CN 202468266U
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- China
- Prior art keywords
- end part
- fluid end
- plunger pump
- stuffing box
- pressure plunger
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Abstract
The utility model discloses a hydraulic end part supporting structure for a high-pressure plunger pump. The hydraulic end part supporting structure is arranged on a hydraulic end of the high-pressure plunger pump and comprises a lower machine body arranged under the hydraulic end part, and an upper machine body arranged above the lower machine body for forming a cylindrical hollow structure by being locked with the lower machine body. A stuffing box of the hydraulic end part is embedded into the cylindrical hollow structure. The stuffing box can be accurately supported and located by adding the hydraulic end part supporting structure via a mechanical pre-tightening mode, and a stable optimal state of dynamic coaxiality of an axis of the stuffing box and a center axis of a crosshead middle rod of the high-pressure plunger pump is ensured so as to improve a high-frequency tremor state of the hydraulic end in work, adverse effect on the movement of a plunger is avoided and due service life of the sealing is achieved.
Description
Technical field
The utility model relates to a kind of supporting structure, relates in particular to a kind of fluid end part supporting structure of high-pressure plunger pump.
Background technique
High pressure, ultrahigh pressure plunger pump are widely used in fields such as metallurgy, petroleum and petrochemical industry, boats and ships, national defence at present.Utilize the water jet of high-pressure plunger pump to clean the first-selection that has also become the environmental protection cleaning way.1500bar high-pressure plunger pump type is widely used in cleaning process especially.In cleaning process, can time that change easily worn part normally have fundamental influence for operation.At present, part high-pressure plunger pump type finds that in use easily damaged parts such as plunger seal has the shortening phenomenon working life, finds that through analyzing some pump type fluid ends adopt cantilever structures; Through the afterburning location of long threaded rod; Plunger pump fluid end when running up high frequency can occur and tremble, and under high frequency trembled state, the horizontal reciprocating movement of plunger was affected; Moving direction departs from easily; Make plunger seal accelerated wear test, shortened the life cycle of parts such as plunger and plunger seal, and parts such as frequent change plunger and plunger seal can be wasted a lot of times undoubtedly.
The model utility content
The utility model is to above-mentioned technical problem; Designed and developed a kind of fluid end part supporting structure of high-pressure plunger pump; Promptly increase split type supporting structure at fluid end; Make stuffing box supported the location accurately with mechanical firmly beforehand means through increasing fluid end part supporting structure; The dynamic coaxality that guarantees stuffing box axis and high-pressure plunger pump crosshead intermediate bar central axis reaches stable optimum state, thereby has improved the fluid end high frequency at work state that trembles, and makes plunger motion avoid being adversely affected.And then guaranteed the normal sealing between plunger and the sealing, and make sealing reach due working life, the life-span of final assurance sealing easily damaged parts reaches the correlation technique requirement.
The technological scheme that the utility model provides is: a kind of fluid end part supporting structure of high-pressure plunger pump, and the fluid end that it is arranged on high-pressure plunger pump comprises lower body, is arranged on the below of said fluid end part; Upper machine body, it is arranged on the top of said lower body, and fastens formation hollow structure cylindraceous with said lower body; The stuffing box of said fluid end part embeds in the said hollow structure cylindraceous.
Preferably; The fluid end part supporting structure of described high-pressure plunger pump; Comprise semicircle first cavity in the said upper machine body; And comprise second cavity identical with said first cavity radius size and that the position is relative in the said lower body, and when upper machine body and lower body fastened each other, first cavity and second cavity were formed said hollow structure cylindraceous.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump, said fluid end partly comprises: be arranged at the stuffing box in the outside, stuffing box is the Hollow barrel body structure; Be positioned at the plunger of the hollow staving of stuffing box, it does linear reciprocating motion along the inwall of said stuffing box along the axis of hollow staving.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump, said fluid end part also comprises: plunger seal, it is circular, is arranged between the inwall and said plunger of said stuffing box, fits with the inwall of said stuffing box.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump vertically is provided with tapped through hole on said upper machine body and the said lower body, and screw passes said tapped through hole, and upper machine body and lower body are fastened.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump is provided with cooling water flow in said upper machine body and the said lower body and threads a pipe.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump, outside said upper machine body and the said lower body of said stuffing box is provided with the double-screw bolt mounting hole.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump, said double-screw bolt mounting hole is 4, and symmetrical being arranged on outside the stuffing box.
Preferably, the fluid end part supporting structure of described high-pressure plunger pump, said stuffing box axis is dynamically coaxial with high-pressure plunger pump crosshead intermediate bar central axis.
The fluid end part supporting structure of the high-pressure plunger pump that the utility model provided; Make stuffing box supported the location accurately with mechanical firmly beforehand means through increasing fluid end part supporting structure; The dynamic coaxality that guarantees stuffing box axis and high-pressure plunger pump crosshead intermediate bar central axis reaches stable optimum state; Thereby improved the fluid end high frequency at work state that trembles, made plunger motion avoid being adversely affected.And then guaranteed the normal sealing between plunger and the sealing, and make sealing reach due working life, the life-span of final assurance sealing easily damaged parts reaches the correlation technique requirement.
Description of drawings
Fig. 1 is the structural representation of the fluid end part supporting structure of this novel high-pressure plunger pump.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
As shown in Figure 1, be the schematic representation of a preferred embodiment of the fluid end part supporting structure of this novel a kind of high-pressure plunger pump.
Please with reference to Fig. 1, some pump type fluid ends adopt cantilever structure at present, outside fluid end is suspended at; Through the afterburning location of long threaded rod; Thus, plunger pump fluid end when running up high frequency can occur and tremble, and high frequency trembles under the state; The horizontal reciprocating movement of plunger is affected, and makes plunger seal accelerated wear test.A kind of fluid end part supporting structure of high-pressure plunger pump is provided for this is novel, and the fluid end that it is arranged on high-pressure plunger pump comprises lower body 7, is arranged on the below of said fluid end part; Upper machine body 1, it is arranged on the top of lower body 7, and fastens with lower body 7 and to form hollow structure cylindraceous (also being part shown in the circle of stuffing box 3); The stuffing box 3 of said fluid end part embeds in the said hollow structure cylindraceous, makes fluid end stuffing box 3 that axial motion does not take place radially to reach thus.
Particularly; Comprise semicircle first cavity upper semi-circle part of stuffing box 3 (also be shown in) in the upper machine body 1; Comprise and second cavity that the position relative identical lower semi-circle part of stuffing box 3 (also be shown in) in the lower body 7 with said first cavity radius size; And when upper machine body 1 fastened with lower body 7 each other, first cavity and second cavity were formed said hollow structure cylindraceous (also being part shown in the circle of stuffing box 3).
Still as shown in Figure 1, fluid end partly comprises the stuffing box 3 that is arranged at the outside, and stuffing box 3 is the Hollow barrel body structure; Be positioned at the plunger 4 of the hollow staving of stuffing box 3, plunger 4 is along the inwall of the hollow staving of stuffing box 3, does linear reciprocating motion along the axis of the hollow staving of said stuffing box 3.Also comprise a plunger seal 2, it is circular, is arranged between the inwall and said plunger 4 of said stuffing box 3, fits with the inwall of said stuffing box 3.The axis of said stuffing box 3 keeps dynamically coaxial with the central axis of the crosshead intermediate bar of high-pressure plunger pump.
Still of Fig. 1, vertically be provided with internal thread through hole 5 and 6 on upper machine body 1 and the lower body 7, screw passes said internal thread through hole 5 and 6, and upper machine body 1 and lower body 7 are fastened.Screw is preferably socket head screw.
Still as shown in Figure 1; Upper machine body 1 top is provided with a cooling water intake 9; Lower body 7 bottoms are provided with the coolant outlet (not shown), in upper machine body 1 and lower body 7, connect cooling water intake 9 and coolant outlet with pipeline and are formed with the cooling water flow (not shown) of threading a pipe; Cooling water pipeline can be used to cool off fluid end around the cylindric hollow structure setting of ccontaining stuffing box 3.
Still as shown in Figure 1, also be provided with double-screw bolt mounting hole 8 on the outside upper machine body 1 of stuffing box 3 and the lower body 7, preferably, the double-screw bolt mounting hole is 4, and symmetry be arranged on stuffing box 3 outsides.In the double-screw bolt mounting hole 8 double-screw bolt is installed, is used for strengthening fixing and firm stuffing box 3, it is not produced radially reach axial motion.
During installation; Earlier the structural member plunger 4 in the fluid end stuffing box 3, plunger seal 2 and other accessories are assembled earlier in advance; Then upper machine body 1 and lower body 7 are fastened on the fluid end outside and fix; At last socket head screw is screwed in internal thread through hole 5 and 6 and screw, double-screw bolt is installed in the double-screw bolt mounting hole 8 and screws, with mechanical firmly beforehand means that fluid end part supporting structure is fastening; Make stuffing box 3 supported the location accurately; The dynamic coaxality that guarantees stuffing box 3 axis and high-pressure plunger pump crosshead intermediate bar central axis reaches stable optimum state, thereby has improved the fluid end high frequency at work state that trembles, and makes plunger motion avoid being adversely affected.And then guaranteed the normal sealing between plunger 4 and the plunger seal 2, and make sealing reach due working life, the life-span of final assurance sealing easily damaged parts reaches the correlation technique requirement.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the mode of execution; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (9)
1. the fluid end part supporting structure of a high-pressure plunger pump, the fluid end that it is arranged on high-pressure plunger pump is characterized in that, comprising:
Lower body is arranged on said fluid end below partly;
Upper machine body, it is arranged on the top of said lower body, and fastens formation hollow structure cylindraceous with said lower body;
The stuffing box of said fluid end part embeds in the said hollow structure cylindraceous.
2. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1; It is characterized in that; Comprise semicircle first cavity in the said upper machine body; And comprise second cavity identical with said first cavity radius size and that the position is relative in the said lower body, and when upper machine body and lower body fastened each other, first cavity and second cavity were formed said hollow structure cylindraceous.
3. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1 is characterized in that said fluid end partly comprises: be arranged at the stuffing box in the outside, stuffing box is the Hollow barrel body structure; Be positioned at the plunger of the hollow staving of stuffing box, its axis along the hollow staving of said stuffing box is done linear reciprocating motion.
4. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1; It is characterized in that said fluid end part also comprises: plunger seal, it is circular; Be arranged between the inwall and said plunger of said stuffing box, fit with the inwall of said stuffing box.
5. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1 is characterized in that, vertically is provided with tapped through hole on said upper machine body and the said lower body, and screw passes said through hole, and upper machine body and lower body are fastened.
6. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1 is characterized in that, is provided with cooling water flow in said upper machine body and the said lower body and threads a pipe.
7. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1 is characterized in that, on said upper machine body that said stuffing box is outside and the said lower body double-screw bolt mounting hole is set.
8. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 7 is characterized in that, said double-screw bolt mounting hole is 4, and symmetrical being arranged on outside the stuffing box.
9. the fluid end part supporting structure of high-pressure plunger pump as claimed in claim 1 is characterized in that, said stuffing box axis is dynamically coaxial with high-pressure plunger pump crosshead intermediate bar central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205407552U CN202468266U (en) | 2011-12-21 | 2011-12-21 | Hydraulic end part supporting structure for high-pressure plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205407552U CN202468266U (en) | 2011-12-21 | 2011-12-21 | Hydraulic end part supporting structure for high-pressure plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468266U true CN202468266U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205407552U Expired - Fee Related CN202468266U (en) | 2011-12-21 | 2011-12-21 | Hydraulic end part supporting structure for high-pressure plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545623A (en) * | 2015-12-30 | 2016-05-04 | 天津市通洁高压泵制造有限公司 | Five-plunger ultrahigh-pressure large-power reciprocating pump and working method thereof |
| CN109372738A (en) * | 2018-12-17 | 2019-02-22 | 浙江爱力浦科技股份有限公司 | A kind of double containment cools down pump head structure of piston pump entirely |
-
2011
- 2011-12-21 CN CN2011205407552U patent/CN202468266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545623A (en) * | 2015-12-30 | 2016-05-04 | 天津市通洁高压泵制造有限公司 | Five-plunger ultrahigh-pressure large-power reciprocating pump and working method thereof |
| CN105545623B (en) * | 2015-12-30 | 2018-04-24 | 天津市通洁高压泵制造有限公司 | The high-power reciprocating pump of five plunger super-pressure and its method of work |
| CN109372738A (en) * | 2018-12-17 | 2019-02-22 | 浙江爱力浦科技股份有限公司 | A kind of double containment cools down pump head structure of piston pump entirely |
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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: 20121221 |