CN204458327U - Plunger rod shield and plunger pump - Google Patents
Plunger rod shield and plunger pump Download PDFInfo
- Publication number
- CN204458327U CN204458327U CN201420837359.XU CN201420837359U CN204458327U CN 204458327 U CN204458327 U CN 204458327U CN 201420837359 U CN201420837359 U CN 201420837359U CN 204458327 U CN204458327 U CN 204458327U
- Authority
- CN
- China
- Prior art keywords
- guard shield
- plunger rod
- plunger
- pump
- plunger pump
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 29
- 238000012856 packing Methods 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010721 machine oil Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000004945 emulsification Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 3
- 210000001503 joint Anatomy 0.000 abstract 2
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 32
- 239000000839 emulsion Substances 0.000 description 13
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a plunger rod guard shield and plunger pump, the plunger rod guard shield is the cylindric, and outside the plunger rod was located to the plunger rod guard shield ability cover, the plunger rod guard shield comprises first guard shield and second guard shield butt joint, is provided with the wash port on the lateral wall of plunger rod guard shield, and the wash port is located the butt joint department of first guard shield and second guard shield. The plunger pump comprises a plunger rod and the plunger rod shield, the plunger rod comprises a liquid end plunger rod and a power end plunger rod, two ends of the liquid end plunger rod are connected with one end of the liquid end plunger rod and one end of the power end plunger rod of the plunger pump, the other end of the power end plunger rod is connected with the power end of the plunger pump, a water baffle is sleeved outside the plunger rod, and the plunger rod shield is sleeved outside the plunger rod and the water baffle and is in sealing connection with the water baffle. The utility model discloses a plunger rod guard shield and plunger pump can realize controlling the rivers direction, realize preventing the purpose of machine oil emulsification to improve production efficiency, reduction in production cost.
Description
Technical field
The utility model relates to OFME field, particularly a kind of plunger rod guard shield of seepage direction of the water that can control on plungers pump plunger bar, also has a kind ofly to cause the plunger pump of lubricating oil emulsion by anti-sealing ingress engine oil cylinder.
Background technique
In oilfield process, comprise the field such as water filling, steam injection, need to provide power with plunger pump.Plunger pump promotes the water of fluid end by power end plunger rod and the interlock of fluid end plunger rod and suppresses, if power end plunger rod touches water, by the to-and-fro motion of plunger rod water-band can be entered ram and machine oil mixing causes lubricating oil emulsion.Need the machine oil after by emulsification to bleed off after lubricating oil emulsion, clear up in-oil cylinder residual water, and inject new machine oil, otherwise plunger pump lubricating system is by malfunctioning, badly damaged equipment.Lubricating oil emulsion seriously reduces efficiency, increases cost of production, so prevent lubricating oil emulsion most important to plunger pump.
The plunger rod of fluid end is sealed by stuffing box packing, fluid end has 2-3 per minute to drip by fluid end plunger rod seepage flow out usually, flow on power end plunger rod for preventing water, prior art adopts to arrange manger board in the joint of fluid end plunger rod and power end plunger rod, usually make discoid by rubber or metal, stoping water to enter power end, is the barrier between power end and fluid end, but this conventional dash equipment exists following problem:
1, the water of fluid end is got rid of by plunger rod and flows on manger board, and a small amount of water still can be thrown on power end plunger rod with plunger rod to-and-fro motion by manger board, and long-time running is also easy to form lubricating oil emulsion;
2, when the stuffing box packing of fluid end is damaged, water can spray because of high pressure, and now manger board cannot block water be sprayed onto on power end plunger rod, causes lubricating oil emulsion.
Model utility content
Thoroughly cannot prevent the problem of lubricating oil emulsion to overcome conventional manger board, the utility model provides a kind of plunger rod guard shield and plunger pump, can control water (flow) direction, realizes the object preventing lubricating oil emulsion, enhances productivity, reduce cost of production.
The utility model solves the technological scheme that its technical problem adopts: a kind of plunger rod guard shield, described plunger rod guard shield is tubular, plunger rod guard shield can be sheathed on outside plunger rod, plunger rod guard shield is docked by the first guard shield and the second guard shield and forms, the sidewall of plunger rod guard shield is provided with weep hole, and weep hole is positioned at the joint of the first guard shield and the second guard shield.
First guard shield and the second guard shield are semicircular configuration, first guard shield and the second guard shield are relative to the plane mirror image each other at the axis place of plunger rod guard shield, the side of the first guard shield and the side of the second guard shield are by gemel connection, and the opposite side of the first guard shield and the opposite side of the second guard shield are bolted to connection.
The side of the first guard shield and the side of the second guard shield are by two gemel connections, and the opposite side of the first guard shield is fixedly connected with by two described bolts with the opposite side of the second guard shield, and hinge is corresponding with the position of described bolt.
The outer wall of the opposite side of the first guard shield is provided with the first connecting sheet, the outer wall of the opposite side of the second guard shield is provided with the second connecting sheet, the first connecting sheet and the second connecting sheet are provided with for bolted bolt connecting hole.
The side of the first guard shield is provided with the first groove, and the side of the second guard shield is provided with the second groove, and when the first guard shield and the docking of the second guard shield form plunger rod guard shield, the first groove docks with the second groove and forms weep hole.
Multiple weep hole is arranged in order along the axial direction of plunger rod guard shield.
A kind of plunger pump, it comprises plunger rod and plunger rod guard shield as above, described plunger rod comprises fluid end plunger rod and power end plunger rod, one end of fluid end plunger rod is connected with hydraulic end of plunger pump, the other end of fluid end plunger rod is connected with one end of power end plunger rod, the other end of power end plunger rod is connected with power end of plunger pump, manger board is arranged with outside described plunger rod, plunger rod guard shield is sheathed on outside described plunger rod and manger board, one end of plunger rod guard shield abuts with hydraulic end of plunger pump, the other end of plunger rod guard shield abuts with power end of plunger pump, and plunger rod guard shield and manger board are tightly connected.
Plunger pump as above, wherein, fluid end plunger rod is connected with hydraulic end of plunger pump by fluid end packing gland.
Plunger pump as above, wherein, the internal diameter of plunger rod guard shield equals the external diameter of manger board.
Plunger pump as above, wherein, center board case is located at outside power end plunger rod, and manger board is 1:1 to the distance of hydraulic end of plunger pump and manger board to the ratio of distances constant of power end of plunger pump.
The beneficial effect of plunger rod guard shield of the present utility model and plunger pump it is possible to realize controlling water (flow) direction, realizes the object preventing lubricating oil emulsion, thus enhances productivity, reduce cost of production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described further.
Fig. 1 is the structural representation of plunger rod guard shield of the present utility model;
Fig. 2 is that schematic diagram is looked on a left side for the first guard shield in Fig. 1 and the second guard shield open mode;
Fig. 3 is that schematic diagram is looked on a left side for the first guard shield in Fig. 1 and the second guard shield mated condition;
Fig. 4 is the structural representation of plunger pump of the present utility model.
Description of reference numerals: 1. plunger rod guard shield, 11. first guard shields, 12. second guard shields, 2. weep hole, 21. first grooves, 22. second grooves, 3. hinge, 41. first connecting sheets, 42. second connecting sheets, 43. bolt connecting holes, 5. hydraulic end of plunger pump, 6. fluid end packing gland, 7. fluid end plunger rod, 8. manger board, 9. power end plunger rod, 10. power end of plunger pump.
Embodiment
In order to there be understanding clearly to technical characteristics of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1 to Figure 3, the utility model proposes a kind of plunger rod guard shield, plunger rod guard shield 1 is tubular and can be sheathed on outside plunger rod, plunger rod guard shield 1 is docked by the first guard shield 11 and the second guard shield 12 and forms, the sidewall of plunger rod guard shield 1 is provided with weep hole 2, weep hole 2 is positioned at the joint of the first guard shield 11 and the second guard shield 12.
Plunger rod guard shield 1 is mainly by being arranged at the weep hole 2 bottom plunger rod guard shield 1, the water flowed in plunger rod guard shield 1 is discharged, effective guiding water is discharged from weep hole 2, achieves control water (flow) direction, and avoids water enter power end plunger rod and cause lubricating oil emulsion.
In addition, adopt and dock by the first guard shield 11 and the second guard shield 12 structure formed, plunger rod guard shield 1 is in use dismantled and installs comparatively easy.
In a feasible mode of execution, first guard shield 11 and the second guard shield 12 are semicircular configuration, first guard shield 11 and the second guard shield 12 are relative to the plane mirror image each other at the axis place of plunger rod guard shield 1, the side of the first guard shield 11 is connected by hinge 3 with the side of the second guard shield 12, and the opposite side of the first guard shield 11 and the opposite side of the second guard shield 12 are bolted to connection.Adopt the mode that hinge 3 connects, described bolt is fixed, in plunger rod guard shield 1 disassembly process, only need to open or tighten described bolt, dismounting and the installation of plunger rod guard shield 1 can be realized.Figure 2 shows that the schematic diagram of the first guard shield 11 and the second guard shield 12 open mode, Figure 3 shows that the schematic diagram of the first guard shield 11 and the second guard shield 12 mated condition.
Particularly, the side of the first guard shield 11 is connected by two hinges 3 with the side of the second guard shield 12, and the opposite side of the first guard shield 11 is fixedly connected with by two described bolts with the opposite side of the second guard shield 12, and hinge 3 is corresponding with the position of described bolt.
In embodiment as shown in Figure 1, the outer wall of the opposite side of the first guard shield 11 is provided with the first connecting sheet 41, the outer wall of the opposite side of the second guard shield 12 is provided with the second connecting sheet 42, first connecting sheet 41 and the second connecting sheet 42 is provided with for bolted bolt connecting hole 43.The side that the side of the first guard shield 11 is provided with the first groove 21, second guard shield 12 is provided with the second groove 22, and when the first guard shield 11 and the docking of the second guard shield 12 form plunger rod guard shield 1, the first groove 21 docks with the second groove 22 and forms weep hole 2.
When plunger rod guard shield 1 is provided with multiple weep hole 2, multiple weep hole 2 is arranged in order along the axial direction of plunger rod guard shield 1.The material of transparent explosion-proof that what plunger rod guard shield 1 of the present utility model adopted is.
As shown in Figure 4, the utility model also proposed a kind of plunger pump, it is characterized in that, described plunger pump comprises plunger rod and plunger rod guard shield 1 as above, described plunger rod comprises fluid end plunger rod 7 and power end plunger rod 9, one end of fluid end plunger rod 7 is connected with hydraulic end of plunger pump 5, the other end of fluid end plunger rod 7 is connected with one end of power end plunger rod 9, the other end of power end plunger rod 9 is connected with power end of plunger pump 10, manger board 8 is arranged with outside described plunger rod, plunger rod guard shield 1 is sheathed on outside described plunger rod and manger board 8, one end of plunger rod guard shield 1 abuts with hydraulic end of plunger pump 5, the other end of plunger rod guard shield 1 abuts with power end of plunger pump 10, and plunger rod guard shield 1 and manger board 8 are tightly connected.Fluid end plunger rod 7 is connected with hydraulic end of plunger pump 5 by fluid end packing gland 6.The internal diameter of plunger rod guard shield 1 equals the external diameter of manger board 8.
Wherein, manger board 8 is set in outside power end plunger rod 9, for different plunger pumps, the distance that manger board 8 arrives power end of plunger pump 10 to distance and the manger board 8 of hydraulic end of plunger pump 5 is also different, in embodiment as shown in Figure 4, manger board 8 is 1:1 to the distance of hydraulic end of plunger pump 5 and manger board 8 to the ratio of distances constant of power end of plunger pump 10.
Illustrate the using method of plunger pump of the present utility model below.
First, according to the installation procedure of described plunger rod, manger board 8 is connected to the centre of described plunger rod, after described plunger rod installs, the hinge 3 of plunger rod guard shield 1 is opened and is anchored to the two ends of fluid end plunger rod 7 and power end plunger rod 9, the excircle of manger board 8 and the seamless engagement of inner circumference of plunger rod guard shield 1.
Then, weep hole 2 is rotated to the bottom of plunger rod guard shield 1, bolt connecting hole 4 will be bolted to and fix.
Finally, start plunger pump, described plunger rod drives manger board 8 to-and-fro motion in plunger rod guard shield 1, and the water of hydraulic end of plunger pump 5 rests in fluid end plunger rod 7 one sections of plunger rod guard shields 1 under the double action of plunger rod guard shield 1 and manger board, and is discharged by weep hole 2.
When needing the described plunger rod overhauling described plunger pump, by the disassembling bolts of plunger rod guard shield 1, open plunger rod guard shield 1.
From the above, the beneficial effect of plunger rod guard shield of the present utility model and plunger pump is:
1, fluid end plunger rod 7 and power end plunger rod 9 cover by plunger rod guard shield 1, described plunger rod moves reciprocatingly in plunger rod guard shield 1, the water droplet of hydraulic end of plunger pump 5 will flow into weep hole 2 along plunger rod guard shield 1, effectively carry out drainage to water, anti-sealing enters power end and causes lubricating oil emulsion.
2, when the stuffing box packing of hydraulic end of plunger pump 5 occurs damaged, current are by splash on the inwall of plunger rod guard shield 1, and then water can be discharged by the weep hole 2 of below, thus avoid burst to leak causing lubricating oil emulsion.
3, plunger rod guard shield 1 adopts the mode that hinge 3 connects, bolt is fixing, easy accessibility, and Safety performance is high, simple to operate, is applicable to all kinds of plunger pump.
4, decrease the impact of current on plunger, greatly extend the repair cycle, enhance productivity.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each constituent element of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristics described in specification of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model naturally covers other relevant with this case innovative point and combines and embody rule.
Claims (10)
1. a plunger rod guard shield, it is characterized in that, described plunger rod guard shield (1) is tubular, plunger rod guard shield (1) can be sheathed on outside plunger rod, plunger rod guard shield (1) is docked by the first guard shield (11) and the second guard shield (12) and forms, the sidewall of plunger rod guard shield (1) is provided with weep hole (2), weep hole (2) is positioned at the joint of the first guard shield (11) and the second guard shield (12).
2. plunger rod guard shield according to claim 1, it is characterized in that, first guard shield (11) and the second guard shield (12) are semicircular configuration, first guard shield (11) and the second guard shield (12) are relative to the plane mirror image each other at the axis place of plunger rod guard shield (1), the side of the first guard shield (11) is connected by hinge (3) with the side of the second guard shield (12), and the opposite side of the first guard shield (11) and the opposite side of the second guard shield (12) are bolted to connection.
3. plunger rod guard shield according to claim 2, it is characterized in that, the side of the first guard shield (11) is connected by two hinges (3) with the side of the second guard shield (12), the opposite side of the first guard shield (11) is fixedly connected with by two described bolts with the opposite side of the second guard shield (12), and hinge (3) is corresponding with the position of described bolt.
4. plunger rod guard shield according to claim 2, it is characterized in that, the outer wall of the opposite side of the first guard shield (11) is provided with the first connecting sheet (41), the outer wall of the opposite side of the second guard shield (12) is provided with the second connecting sheet (42), the first connecting sheet (41) and the second connecting sheet (42) are provided with for bolted bolt connecting hole (43).
5. plunger rod guard shield according to claim 2, it is characterized in that, the side of the first guard shield (11) is provided with the first groove (21), the side of the second guard shield (12) is provided with the second groove (22), when the first guard shield (11) and the second guard shield (12) docking form plunger rod guard shield (1), the first groove (21) docks with the second groove (22) and forms weep hole (2).
6. plunger rod guard shield according to claim 1, is characterized in that, multiple weep hole (2) is arranged in order along the axial direction of plunger rod guard shield (1).
7. a plunger pump, it is characterized in that, described plunger pump comprises the plunger rod guard shield (1) in plunger rod and claim 1 to 6 described in any one claim, described plunger rod comprises fluid end plunger rod (7) and power end plunger rod (9), one end of fluid end plunger rod (7) is connected with hydraulic end of plunger pump (5), the other end of fluid end plunger rod (7) is connected with one end of power end plunger rod (9), the other end of power end plunger rod (9) is connected with power end of plunger pump (10), manger board (8) is arranged with outside described plunger rod, plunger rod guard shield (1) is sheathed on described plunger rod and manger board (8) outward, one end of plunger rod guard shield (1) abuts with hydraulic end of plunger pump (5), the other end of plunger rod guard shield (1) abuts with power end of plunger pump (10), and plunger rod guard shield (1) and manger board (8) are tightly connected.
8. plunger pump according to claim 7, is characterized in that, fluid end plunger rod (7) is connected with hydraulic end of plunger pump (5) by fluid end packing gland (6).
9. plunger pump according to claim 7, is characterized in that, the internal diameter of plunger rod guard shield (1) equals the external diameter of manger board (8).
10. plunger pump according to claim 7, it is characterized in that, manger board (8) is set in power end plunger rod (9) outward, and manger board (8) is 1:1 to the distance of hydraulic end of plunger pump (5) and manger board (8) to the ratio of distances constant of power end of plunger pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837359.XU CN204458327U (en) | 2014-12-25 | 2014-12-25 | Plunger rod shield and plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837359.XU CN204458327U (en) | 2014-12-25 | 2014-12-25 | Plunger rod shield and plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458327U true CN204458327U (en) | 2015-07-08 |
Family
ID=53665226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420837359.XU Expired - Fee Related CN204458327U (en) | 2014-12-25 | 2014-12-25 | Plunger rod shield and plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654411A (en) * | 2017-10-12 | 2018-02-02 | 天津市京铁铁路机车车辆配件厂 | A kind of electric motor fan protective cover |
-
2014
- 2014-12-25 CN CN201420837359.XU patent/CN204458327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654411A (en) * | 2017-10-12 | 2018-02-02 | 天津市京铁铁路机车车辆配件厂 | A kind of electric motor fan protective cover |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |