CN203532407U - Drilling oil cylinder - Google Patents
Drilling oil cylinder Download PDFInfo
- Publication number
- CN203532407U CN203532407U CN201320535085.4U CN201320535085U CN203532407U CN 203532407 U CN203532407 U CN 203532407U CN 201320535085 U CN201320535085 U CN 201320535085U CN 203532407 U CN203532407 U CN 203532407U
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- cylinder
- cylinder body
- piston rod
- guide rod
- piston
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Abstract
The utility model discloses a drilling oil cylinder, belongs to the technical field of oil cylinders, and provides an oil cylinder which is compact in structure and capable of providing power for a test instrument inside a drill hole. According to the technical scheme, the drilling oil cylinder comprises a cylinder body, a piston rod and a piston, the piston is located inside the cylinder body and installed at one end of the piston rod, and the other end of the piston rod penetrates through the cylinder body and extends out of the cylinder body; the drilling oil cylinder further comprises a guide rod which is a hollow pipe; a through hole is formed in the bottom of the cylinder body; a through hole is formed in the piston rod in the axial direction; one end of the guide rod is in threaded connected with the through hole in the bottom of the cylinder body; the other end of the guide rod is installed inside the piston rod in a sleeved mode; the length of the guide rod is matched with the stroke of the piston rod. The drilling oil cylinder can provide power for test instruments inside a drill hole.
Description
Technical field
A kind of probing oil cylinder of the utility model, belongs to oil cylinder technical field.
Background technique
In recent years along with the increase of various construction project quantity, corresponding geologic prospecting report demand is also very huge, but domestic about ground, measurement lacks authentic and valid data, mainly because boring is too dark, and aperture is less, can not provide sufficient power for the test instrument in boring, make the test instrument can not data acquisition, in addition, because the instrument of image data often needs signaling line by the data output gathering, but people do not wish again these signaling lines and hole wall friction, and current oil cylinder can only arrange signaling line the outside of cylinder barrel, can not solve the friction problem of signaling line and hole wall, also just can not meet the needs of Novel down-hole test instrument, for example, boring dark analyzer is the extraordinary instrument for rock mechanics parameter under testing well, by rig, the dark analyzer of brill is taken in deep hole, then by instrument, insert and in hole wall, obtain test data, but do not have suitable equipment to provide power for boring dark analyzer, assist and bore the collection that dark analyzer completes data, will cause like this instrument of test not operate, maybe can not obtain objective and accurate data.
Model utility content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved, for a kind of compact structure is provided, can provide for the test instrument in boring the oil cylinder of power.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of probing oil cylinder, comprise cylinder body, piston rod and piston, piston is positioned at cylinder interior and is arranged on one end of piston rod, the other end of piston rod is through cylinder body, and extend to cylinder body outside, also comprise guide rod, described guide rod is a hollow tubular, the bottom of described cylinder body has through hole, described piston rod axially on also have through hole, one end of guide rod and the through hole of cylinder base are threaded connection, the other end of guide rod is sleeved on the inside of piston rod, the length of guide rod and the stroke of piston rod adapt,
The sidewall of described cylinder body has two oil ducts in the direction paralleling to the axis, and two described oil ducts are in communication with the outside the cavity of cylinder body inner carrier both sides respectively, and the opening of two oil ducts is all positioned on the exterior edge face of cylinder base.
On described piston rod, be provided with the location shaft shoulder, described piston is fixed on the shaft shoulder of location by snap ring.
Described cylinder body comprises cylinder cap, cylinder barrel and cylinder bottom, between described cylinder cap and cylinder barrel, by high-strength bolt, connects, and between described cylinder bottom and cylinder barrel, by high-strength bolt, is connected.
The utility model compared with prior art has following beneficial effect.
1, the utility model adopts piston rod to be sleeved on the structure on guide rod, realize the output of oil cylinder power, and guide rod has through hole on centerline direction, oil pipe can be connected on the oil connection of cylinder base through the through hole of guide rod, signaling line also can be connected on test instrument through the through hole of guide rod, on cylinder barrel outer wall, do not have unnecessary structure like this, compact structure, be particularly suitable for operating in the less boring in aperture, and, in the process of cylinder movement, oil pipe can not contact the hole wall of boring with signaling line, wearing and tearing have been reduced, cylinder base of the present utility model is fixed on the drilling equipment in boring, cylinder base and piston rod top are all connected with test instrument, the utility model is in boring during operation like this, cylinder body is motionless, piston rod drives test instrument motion in boring, the cylinder base being connected with test instrument does not have any projection, guaranteed the normal operation of cylinder base testing apparatus, for Novel down-hole testing apparatus provides reliable power.
2, the utility model piston is fixed on the shaft shoulder of location by snap ring, utilizes the location between the location shaft shoulder and snap ring, and precision is high, easy accessibility.
3, between cylinder cap of the present utility model and cylinder barrel, by high-strength bolt, be connected, between cylinder bottom and cylinder barrel, also by high-strength bolt, be connected, so both can guarantee that cylinder cap and cylinder bottom bear hydraulic coupling uniformly, meanwhile, dismounting is also convenient.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1 is cylinder cap, 2 is cylinder body, and 3 is cylinder barrel, and 4 is cylinder bottom, and 5 is snap ring, and 6 is piston, and 7 is the location shaft shoulder, and 8 is piston rod, and 9 is guide rod.
Embodiment
A kind of probing oil cylinder, comprise cylinder body 2, piston rod 8 and piston 6, piston 6 is positioned at cylinder body 2 inside and is arranged on one end of piston rod 8, the other end of piston rod 8 is through cylinder body 2, and extend to cylinder body 2 outsides, also comprise guide rod 9, described guide rod 9 is a hollow tubular, the bottom of described cylinder body 2 has through hole, described piston rod 8 axially on also have through hole, the through hole of one end of guide rod 9 and cylinder body 2 bottoms is threaded connection, and the other end of guide rod 9 is sleeved on the inside of piston rod 8, and the stroke of the length of guide rod 9 and piston rod 8 adapts;
The sidewall of described cylinder body 2 has two oil ducts in the direction paralleling to the axis, and two described oil ducts are in communication with the outside the cavity of cylinder body 2 inner carrier 6 both sides respectively, and the opening of two oil ducts is all positioned on the exterior edge face of cylinder body 2 bottoms.
On described piston rod 8, be provided with the location shaft shoulder 7, described piston 6 is fixed on the shaft shoulder 7 of location by snap ring 5.
Described cylinder body 2 comprises cylinder cap 1, cylinder barrel 3 and cylinder bottom 4, between described cylinder cap 1 and cylinder barrel 3, by high-strength bolt, connects, and between described cylinder bottom 4 and cylinder barrel 3, by high-strength bolt, is connected.
By reference to the accompanying drawings the utility model is described in further detail now, accompanying drawing is the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only shows the formation relevant with the utility model.
The utility model adopts piston rod 8 to be sleeved on the structure on guide rod 9, realize the output of oil cylinder power, and, guide rod 9 has through hole on centerline direction, oil pipe can be connected on the oil connection of cylinder bottom 4 through the through hole of guide rod 9, signaling line can be connected on test instrument through the through hole of guide rod 9, the utility model is in boring during operation like this, cylinder body of the present utility model 2 bottoms are fixed on the drilling equipment in boring, cylinder body 2 bottoms and piston rod 8 tops are all connected with test instrument, when work, cylinder body 2 is motionless, piston rod 8 drives test instrument motion in boring, for test instrument provides required power, in addition, the cylinder bottom 4 being connected with test instrument does not have any projection, guaranteed the normal operation of the testing apparatus that is connected with cylinder body 2 bottoms, for Novel down-hole testing apparatus provides reliable power.
Claims (3)
1. drill oil cylinder for one kind, comprise cylinder body (2), piston rod (8) and piston (6), piston (6) is positioned at cylinder body (2) inside and is arranged on one end of piston rod (8), the other end of piston rod (8) is through cylinder body (2), and extend to cylinder body (2) outside, it is characterized in that: also comprise guide rod (9), described guide rod (9) is a hollow tubular, the bottom of described cylinder body (2) has through hole, described piston rod (8) axially on also have through hole, the through hole of one end of guide rod (9) and cylinder body (2) bottom is threaded connection, the other end of guide rod (9) is sleeved on the inside of piston rod (8), the stroke of the length of guide rod (9) and piston rod (8) adapts,
The sidewall of described cylinder body (2) has two oil ducts in the direction paralleling to the axis, two described oil ducts are in communication with the outside the cavity of cylinder body (2) inner carrier (6) both sides respectively, and the opening of two oil ducts is all positioned on the exterior edge face of cylinder body (2) bottom.
2. a kind of probing oil cylinder according to claim 1, is characterized in that, is provided with the location shaft shoulder (7) on described piston rod (8), and described piston (6) is fixed on the location shaft shoulder (7) by snap ring (5).
3. a kind of probing oil cylinder according to claim 1 and 2, it is characterized in that, described cylinder body (2) comprises cylinder cap (1), cylinder barrel (3) and cylinder bottom (4), between described cylinder cap (1) and cylinder barrel (3), by high-strength bolt, connect, between described cylinder bottom (4) and cylinder barrel (3), by high-strength bolt, be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535085.4U CN203532407U (en) | 2013-08-30 | 2013-08-30 | Drilling oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535085.4U CN203532407U (en) | 2013-08-30 | 2013-08-30 | Drilling oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532407U true CN203532407U (en) | 2014-04-09 |
Family
ID=50418620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535085.4U Expired - Fee Related CN203532407U (en) | 2013-08-30 | 2013-08-30 | Drilling oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532407U (en) |
-
2013
- 2013-08-30 CN CN201320535085.4U patent/CN203532407U/en not_active Expired - Fee Related
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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: 20140409 Termination date: 20170830 |