CN204552662U - A kind of double cylinder double acting Full hydraulic jar knocker during drilling - Google Patents
A kind of double cylinder double acting Full hydraulic jar knocker during drilling Download PDFInfo
- Publication number
- CN204552662U CN204552662U CN201420665839.2U CN201420665839U CN204552662U CN 204552662 U CN204552662 U CN 204552662U CN 201420665839 U CN201420665839 U CN 201420665839U CN 204552662 U CN204552662 U CN 204552662U
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- CN
- China
- Prior art keywords
- spline
- hydraulic cylinder
- poppet shaft
- during drilling
- double
- 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 discloses a kind of double cylinder double acting Full hydraulic jar knocker during drilling, comprise: mandrel component and collar tube sub-assembly; Collar tube sub-assembly comprises: the spline urceolus connected successively by screw thread, upper hydraulic cylinder, valve urceolus, lower hydraulic cylinder and lower contact; Core component comprises: the spline mandrel, poppet shaft and the piston that are connected successively by screw thread; Piston is arranged in lower hydraulic cylinder; Spline mandrel one end is connected with poppet shaft, and it is outside that its other end is extended on spline urceolus.Two valve body assemblies are placed the structure in a chamber by the mode that the utility model adopts upper and lower poppet shaft to combine, and overcome current hydraulic impacting device for drilling machine entire length long, complex structure, manufacturing cost is high, and installation and maintenance is inconvenient, hits the deficiencies such as exercise not harmony up and down.
Description
Technical field
The utility model relates to bumper jar, particularly a kind of double cylinder double acting Full hydraulic jar knocker during drilling.
Background technology
It is more and more extensive that current Full hydraulic jar knocker during drilling uses in oil field, and main what adopt is the structure of two cylinders, and upper and lower poppet shaft and the valve body assembly that builds the pressure, separately in upper and lower two cylinders, hit action up and down and carry out in two cylinders respectively.This structure has the following disadvantages:
1. overall long, complex structure, manufacture difficulty is large, and manufacturing cost is high;
2. installation and maintenance is inconvenient;
3. hit exercise not harmony up and down, easily produce and creep.
Utility model content
The purpose of this utility model is to provide a kind of double cylinder double acting Full hydraulic jar knocker during drilling, adopt the mode that upper and lower poppet shaft combines, two valve body assemblies are placed the structure in a chamber, overcome current hydraulic impacting device for drilling machine entire length long, complex structure, manufacturing cost is high, and installation and maintenance is inconvenient, hits the deficiencies such as exercise not harmony up and down.
In order to realize above object, the utility model is achieved through the following technical solutions:
A kind of double cylinder double acting Full hydraulic jar knocker during drilling, is characterized in, comprises: mandrel component and collar tube sub-assembly;
Described collar tube sub-assembly comprises: the spline urceolus connected successively by screw thread, upper hydraulic cylinder, valve urceolus, lower hydraulic cylinder and lower contact;
Described core component comprises: the spline mandrel, poppet shaft and the piston that are connected successively by screw thread;
Described piston is arranged in lower hydraulic cylinder;
Described spline mandrel one end is connected with poppet shaft, and it is outside that its other end is extended on spline urceolus.
Jarring pad is provided with between described spline mandrel and poppet shaft.
This bumper jar also comprises valve part, and it is arranged in the outer tube inner chamber of valve, and is nested with in poppet shaft.
Described valve part comprises:
Spacer;
Upper valve core assembly, bottom spool assembly, it is separately positioned on the two ends of spacer;
Described upper valve core assembly is arranged on the position near upper hydraulic cylinder;
Described bottom spool assembly is arranged on the position near lower hydraulic cylinder.
The utility model compared with prior art, has the following advantages:
Two valve body assemblies are placed the structure in a chamber by the mode that the utility model adopts upper and lower poppet shaft to combine, and overcome current hydraulic impacting device for drilling machine entire length long, complex structure, manufacturing cost is high, and installation and maintenance is inconvenient, hits the deficiencies such as exercise not harmony up and down.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of double cylinder double acting Full hydraulic jar knocker during drilling of the utility model;
Fig. 2 is the partial schematic diagram of a kind of double cylinder double acting Full hydraulic jar knocker during drilling of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of double cylinder double acting Full hydraulic jar knocker during drilling, comprises: mandrel component and collar tube sub-assembly; Described collar tube sub-assembly comprises: the spline urceolus 11 connected successively by screw thread, upper hydraulic cylinder 12, valve urceolus 13, lower hydraulic cylinder 14 and lower contact 15; Described core component comprises: the spline mandrel 21 connected successively by screw thread, poppet shaft 22 and piston 23; Described piston 23 is arranged in lower hydraulic cylinder 14; Described spline mandrel 21 one end is connected with poppet shaft 22, and it is outside that its other end is extended on spline urceolus 11.
Jarring pad 24 is provided with between spline mandrel 21 and poppet shaft 22.
This bumper jar, also comprises valve part, and it is arranged in valve urceolus 13 inner chamber, and is nested with in poppet shaft 22.Wherein, valve part comprises: spacer 31; Upper valve core assembly 32, bottom spool assembly 33, it is separately positioned on the two ends of spacer 31; Described upper valve core assembly 32 is arranged on the position near upper hydraulic cylinder 12; Described bottom spool assembly 33 is arranged on the position near lower hydraulic cylinder 14.
On hit operating principle: apply power upwards by above carrying drill string, drive mandrel component moves upward, because section region of in poppet shaft 22 and upper valve body assembly 32 play sealing function, hydraulic oil pressurized in upper hydraulic cylinder cavity, because the incompressible generation of hydraulic oil builds the pressure, in following period of time, drill string is in constantly energy storage, certain stroke is reached when up, upper valve body assembly 32 is left in one section of region that poppet shaft and upper valve assembly 32 seal, sealing function catastrophic failure, the hydraulic oil unloading built the pressure, thus the release energy be stored in drill string produces impact force upwards.
Under hit operating principle: apply downward power by transferring drill string, drive mandrel component moves downward, because section region of in poppet shaft 22 and body assembly of lower valve 33 play sealing function, hydraulic oil pressurized in lower hydraulic cylinder cavity, because the incompressible generation of hydraulic oil builds the pressure, in following period of time, drill string is in constantly energy storage, certain stroke is reached when descending, body assembly of lower valve is left in one section of region that poppet shaft and lower valve assembly 33 seal, sealing function catastrophic failure, the hydraulic oil unloading built the pressure, thus the release energy be stored in drill string produces downward impact force.
In sum, a kind of double cylinder double acting Full hydraulic jar knocker during drilling of the utility model, what adopt is the integration of upper and lower poppet shaft, upper body assembly of lower valve places the structure in a chamber, simple and compact for structure, and number of parts is few, save manufacturing cost, be convenient to assemble and later maintenance, long service life, can also make to hit up and down harmonious.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. a double cylinder double acting Full hydraulic jar knocker during drilling, is characterized in that, comprises: mandrel component and collar tube sub-assembly;
Described collar tube sub-assembly comprises: the spline urceolus (11) connected successively by screw thread, upper hydraulic cylinder (12), valve urceolus (13), lower hydraulic cylinder (14) and lower contact (15);
Described core component comprises: the spline mandrel (21) connected successively by screw thread, poppet shaft (22) and piston (23);
Described piston (23) is arranged in lower hydraulic cylinder (14);
Described spline mandrel (21) one end is connected with poppet shaft (22), and it is outside that its other end is extended on spline urceolus (11).
2. double cylinder double acting Full hydraulic jar knocker during drilling as claimed in claim 1, is characterized in that, be provided with jarring pad (24) between described spline mandrel (21) and poppet shaft (22).
3. double cylinder double acting Full hydraulic jar knocker during drilling as claimed in claim 1, it is characterized in that, also comprise valve part, it is arranged in valve urceolus (13) inner chamber, and is nested with in poppet shaft (22).
4. double cylinder double acting Full hydraulic jar knocker during drilling as claimed in claim 3, it is characterized in that, described valve part comprises:
Spacer (31);
Upper valve core assembly (32), bottom spool assembly (33), it is separately positioned on the two ends of spacer (31);
Described upper valve core assembly (32) is arranged on the position near upper hydraulic cylinder (12);
Described bottom spool assembly (33) is arranged on the position near lower hydraulic cylinder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665839.2U CN204552662U (en) | 2014-11-10 | 2014-11-10 | A kind of double cylinder double acting Full hydraulic jar knocker during drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665839.2U CN204552662U (en) | 2014-11-10 | 2014-11-10 | A kind of double cylinder double acting Full hydraulic jar knocker during drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552662U true CN204552662U (en) | 2015-08-12 |
Family
ID=53827789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420665839.2U Expired - Fee Related CN204552662U (en) | 2014-11-10 | 2014-11-10 | A kind of double cylinder double acting Full hydraulic jar knocker during drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204552662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359870A (en) * | 2018-04-03 | 2019-10-22 | 西南石油大学 | A kind of all-hydraulic bumper jar |
| CN113338832A (en) * | 2021-05-18 | 2021-09-03 | 四川伟创石油装备制造有限公司 | Hydraulic bidirectional jar |
-
2014
- 2014-11-10 CN CN201420665839.2U patent/CN204552662U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359870A (en) * | 2018-04-03 | 2019-10-22 | 西南石油大学 | A kind of all-hydraulic bumper jar |
| CN113338832A (en) * | 2021-05-18 | 2021-09-03 | 四川伟创石油装备制造有限公司 | Hydraulic bidirectional jar |
| CN113338832B (en) * | 2021-05-18 | 2023-10-20 | 四川伟创石油装备制造有限公司 | Hydraulic bidirectional jar |
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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: 20150812 Termination date: 20181110 |