CN203035535U - Three-section type slime pump plunger rod - Google Patents
Three-section type slime pump plunger rod Download PDFInfo
- Publication number
- CN203035535U CN203035535U CN 201320056880 CN201320056880U CN203035535U CN 203035535 U CN203035535 U CN 203035535U CN 201320056880 CN201320056880 CN 201320056880 CN 201320056880 U CN201320056880 U CN 201320056880U CN 203035535 U CN203035535 U CN 203035535U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- rod shaft
- pump plunger
- shaft
- plunger rod
- 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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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a three-section type slime pump plunger rod. The three-section type slime pump plunger rod comprises a first pull rod shaft (1), a second pull rod shaft (4) and a piston rod (6), and the first pull rod shaft (1), the second pull rod shaft (4) and the piston rod (6) are connected with each other in sequence in a movable connection method to form an integral structure. The three-section type slime pump plunger rod is not only convenient to assemble and disassemble, but also free from wasting materials and low in cost.
Description
Technical field
The utility model relates to a kind of oil drilling machine accessory, specifically is a kind of 3 stops slurry pump plunger rod, belongs to the petroleum machinery field.
Background technique
Saying that the mud pump for petroleum drilling plunger rod is popular is piston pulling, it is parts that are connected piston and slurry pump center pull rod, when changing piston, the screw thread that piston rod is connected with piston damages easily, present piston rod substantially all is a non-removable integral body, so when thread damage that pre-piston connects, though the approval of piston rod shank portion is used, but also scrap together, caused cost to increase and waste.For reducing the plunger rod cost of material, reduce the waste of material and usage charges, the utility model has designed a kind of 3 stops slurry pump plunger rod that can segmentation, whole plunger rod is divided into three sections, arbitrary section has been damaged other two sections and also can continue to use like this, need not all change, not only easy to loading and unloading, and saved cost, reduced waste.
The model utility content
Problem to be solved in the utility model provides a kind of 3 stops slurry pump plunger rod, the problem that is used for solving plunger rod cost height, waste material in the past and can't dismantles.
The technological scheme that the utility model provides is: 3 stops slurry pump plunger rod, comprise first pull rod shaft, second pull rod shaft and piston rod, and described first pull rod shaft, second pull rod shaft and piston rod connect as one structure each other in turn by movable connection method.
Be provided with attachment post in the described first pull rod shaft its right end face, attachment post is provided with outside thread, and the described second pull rod shaft left end face is provided with tapped hole, and described attachment post outside thread cooperates with tapped hole, and first pull rod shaft and second pull rod shaft are flexibly connected.
The externally threaded screw thread effective length of described attachment post is 7-13 centimetre.Screw thread need bear bigger axial tension effect when connecting, the insufficient strength that is threaded if the screw thread effective length is too short, thereby screw thread easily lost efficacy and causes accident to take place, the long then waste material of screw thread effective length and increase cost, so the effective length of screw thread is decided to be 7-13 centimetre, reach the purpose of saving cost when guaranteeing to connect safety.
Described piston rod middle part is provided with transition axis, described piston rod is provided with outside thread at the circumferential surface at two ends, the transition axis left and right sides, the described second pull rod shaft its right end face is provided with tapped hole, described piston rod left side outside thread cooperates with the tapped hole of the second pull rod shaft its right end face, and second pull rod shaft and piston rod are flexibly connected.
Also be provided with on the described second pull rod shaft circumferential surface and rise as high as the banks.Be clamped in the place that rises as high as the banks with external tool, thereby by instrument Rotational Cylindrical stopper rod, not only made things convenient for dismounting, and can also well protect the second pull rod shaft outer surface not to be destroyed.
Described rising as high as the banks is provided with two altogether, waits radian to be distributed on the second pull rod shaft circumferential surface each other.Instrument can symmetry clamp when clamping, stress balance, and the workload that can reduce a staff, and also the instrument that can prevent skids on the second pull rod shaft surface.
Advantage of the present utility model is: this 3 stops slurry pump plunger rod of the utility model design, and not only easy to loading and unloading, and can waste material, cost is low.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cross-sectional view of the present utility model.
Label among the figure is expressed as respectively: 1, first pull rod shaft; 2, attachment post; 3, tapped hole; 4, second pull rod shaft; 5, rise as high as the banks; 6, piston rod; 7, transition axis.
Embodiment
Embodiment
Referring to Fig. 1,3 stops slurry pump plunger rod comprises first pull rod shaft 1, second pull rod shaft 4 and piston rod 6, and described first pull rod shaft 1, second pull rod shaft 4 and piston rod 6 connect as one structure each other in turn by movable connection method.
Be provided with attachment post 2 in described first pull rod shaft, 1 its right end face, attachment post 2 is provided with outside thread, and described second pull rod shaft, 4 left end face are provided with tapped hole 3, and described attachment post 2 outside threads cooperate with tapped hole 3, and first pull rod shaft 1 and second pull rod shaft 4 are flexibly connected.
The externally threaded screw thread effective length of described attachment post 2 is 7-13 centimetre.
Described piston rod 6 middle parts are provided with transition axis 7, described piston rod 6 is provided with outside thread at the circumferential surface at two ends, transition axis 7 left and right sides, described second pull rod shaft, 4 its right end face are provided with tapped hole, described piston rod 6 left side outside threads cooperate with the tapped hole of second pull rod shaft, 4 its right end face, and second pull rod shaft 4 and piston rod 6 are flexibly connected.
Also be provided with on described second pull rod shaft, 4 circumferential surfacies and rise as high as the banks 5.
Described rising as high as the banks 5 is provided with two altogether, waits radian to be distributed on second pull rod shaft, 4 circumferential surfacies each other.
First pull rod shaft 1, second pull rod shaft 4 and transition axis 7 are connected to each other by screw thread and are structure as a whole, the right side of transition axis 7 is connected with piston by screw thread and gets final product, in use, because piston is fragile, can often change, the both sides screw thread of transition axis 7 is also fragile, so, when the thread damage of transition axis 7 can not be used, only transition axis 7 need be changed and get final product, and first pull rod shaft 1 and second pull rod shaft 4 also can normally be used, reduced the cost of material that increases by first pull rod shaft 1 and second pull rod shaft 4 again, simultaneously, after first pull rod shaft 1 or 4 damages of second pull rod shaft, only needed to change corresponding part and get final product, saved material and cost, practicability improves greatly.
Can well realize the utility model as mentioned above.
Claims (6)
1. 3 stops slurry pump plunger rod, comprise first pull rod shaft (1), second pull rod shaft (4) and piston rod (6), it is characterized in that: described first pull rod shaft (1), second pull rod shaft (4) and piston rod (6) connect as one structure each other in turn by movable connection method.
2. 3 stops slurry pump plunger rod according to claim 1, it is characterized in that: be provided with attachment post (2) in described first pull rod shaft (1) its right end face, attachment post (2) is provided with outside thread, described second pull rod shaft (4) left end face is provided with tapped hole (3), described attachment post (2) outside thread cooperates with tapped hole (3), and first pull rod shaft (1) and second pull rod shaft (4) are flexibly connected.
3. 3 stops slurry pump plunger rod according to claim 2, it is characterized in that: the externally threaded screw thread effective length of described attachment post (2) is 7-13 centimetre.
4. 3 stops slurry pump plunger rod according to claim 1, it is characterized in that: described piston rod (6) middle part is provided with transition axis (7), described piston rod (6) is provided with outside thread at the circumferential surface at transition axis (7) two ends, the left and right sides, described second pull rod shaft (4) its right end face is provided with tapped hole, described piston rod (6) left side outside thread cooperates with the tapped hole of second pull rod shaft (4) its right end face, and second pull rod shaft (4) and piston rod (6) are flexibly connected.
5. 3 stops slurry pump plunger rod according to claim 1 is characterized in that: also be provided with rise as high as the banks (5) on described second pull rod shaft (4) circumferential surface.
6. 3 stops slurry pump plunger rod according to claim 5, it is characterized in that: described rising as high as the banks (5) is provided with two altogether, waits radian to be distributed on second pull rod shaft (4) circumferential surface each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056880 CN203035535U (en) | 2013-02-01 | 2013-02-01 | Three-section type slime pump plunger rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056880 CN203035535U (en) | 2013-02-01 | 2013-02-01 | Three-section type slime pump plunger rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035535U true CN203035535U (en) | 2013-07-03 |
Family
ID=48687665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320056880 Expired - Fee Related CN203035535U (en) | 2013-02-01 | 2013-02-01 | Three-section type slime pump plunger rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120266A (en) * | 2017-06-28 | 2017-09-01 | 四川宏华石油设备有限公司 | A kind of reciprocating piston pump bar |
-
2013
- 2013-02-01 CN CN 201320056880 patent/CN203035535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120266A (en) * | 2017-06-28 | 2017-09-01 | 四川宏华石油设备有限公司 | A kind of reciprocating piston pump bar |
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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: 20130703 Termination date: 20140201 |