CN208330346U - A kind of lithology and density logging instrument antiwear device - Google Patents
A kind of lithology and density logging instrument antiwear device Download PDFInfo
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- CN208330346U CN208330346U CN201820745594.2U CN201820745594U CN208330346U CN 208330346 U CN208330346 U CN 208330346U CN 201820745594 U CN201820745594 U CN 201820745594U CN 208330346 U CN208330346 U CN 208330346U
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- wear
- lithology
- logging instrument
- resistant block
- density logging
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Abstract
A kind of lithology and density logging instrument antiwear device disclosed by the utility model, belongs to oil well logging instrument technical field.Including wear-resistant block, wear-resistant block both ends of the surface offer the through-hole for passing through for screw, and screw is for fixing wear-resistant block and lithology and density logging instrument；Wear-resistant block is equipped with wear-resisting protrusion, and the top of wear-resisting protrusion is higher than the upper surface of wear-resistant block.When work, the wear-resisting protrusion that whole device is in outermost points is first subjected to abrasion, to effectively protect lithology and density logging instrument, wear-resistant block is cheap, replacement is easy.The device effectively reduces the failure rate of lithology and density logging instrument, and it is time saving and energy saving to make to repair, save the cost.
Description
Technical field
The utility model belongs to oil well logging instrument technical field, and in particular to a kind of anti-wear dress of lithology and density logging instrument
It sets.
Background technique
In petroleum well logging technology, is popped one's head in due to lithology and density logging instrument requirements and paste borehole wall measurement, instrument telescoping ram is caused to make
With easy to wear in the process.Anti-wear on present EIlog lithology and density logging instrument is all anti-wear dress that 4 wear-resisting screws are constituted
It sets.The antiwear device of this structure has following disadvantage in use:
1, it is limited by material, forced area, wear-resisting screw is easy to wear, in turn results in the abrasion of instrument；2, with the borehole wall
Friction process in, the wear-resisting easy loose or dislocation of screw in turn results in the abrasion of instrument；3, easy fracture, change after wear-resisting loosened screw
Shape in turn results in instrument abrasion, and increases the maintenance difficulty and cost of instrument.It there is no more efficient practical lithology and density logging at present
Antiwear device.
Utility model content
In order to overcome the problems of the above-mentioned prior art, the purpose of this utility model is to provide a kind of lithology and density logging instrument
Device antiwear device, the antiwear device is reasonable in design, easy to use, can efficiently solve lithology and density logging instrument and easily grind
The problem of damage, improves instrument service life, avoids maintenance difficult caused by being broken because of wearing piece.
The utility model is to be achieved through the following technical solutions:
A kind of lithology and density logging instrument antiwear device disclosed by the utility model, including wear-resistant block, wear-resistant block both ends of the surface are opened
Equipped with the through-hole for passing through for screw, screw is for fixing wear-resistant block and lithology and density logging instrument；Wear-resistant block is equipped with abrasion resistant convex
It rises, the top of wear-resisting protrusion is higher than the upper surface of wear-resistant block.
Preferably, several are arranged in wear-resisting protrusion.
It is further preferred that wear-resisting protrusion is 3, it is set to the middle part of wear-resistant block upper surface.3 it is wear-resisting protrusion set
Seated position can be for symmetrically or non-symmetrically.
Preferably, the groove for being embedded wear-resisting protrusion is offered in the upper surface of wear-resistant block.
Preferably, wear-resisting protrusion can also be directly welded in the upper surface of wear-resistant block.
It preferably, further include the washer being threaded through on screw, and the washer is located at connecing for wear-resistant block and lithology and density logging instrument
In contacting surface.
Preferably, wear-resistant block is arc-shaped, is bonded closely with rigging position on instrument.
Preferably, wear-resistant block and wear-resisting protrusion are made of wear-resistant material.
It is further preferred that wear-resistant block is fabricated by No. 45 carbon steel quenchings, wear-resisting protrusion is by chromium carbide alloy block system
At for high abrasion point.
Preferably, screw is hexagon socket countersunk flat cap head screw, is made of 17-4 stainless steel, and English system 3/8, tooth is away from for per inch 16.
Compared with prior art, the utility model has technical effect beneficial below:
Lithology and density logging instrument antiwear device disclosed by the utility model, including anti-wear-resistant block and screw, table on wear-resistant block
Face is equipped with the wear-resisting protrusion as high abrasion point, and screw passes through the through-hole opened up on wear-resistant block, for fixing wear-resistant block and lithology
Density instrument.In use, wear-resistant block to be buckled in the bottom end of lithology and density logging instrument, through-hole alignment is used to fill the screw hole of wear-resisting screw,
Then screw is loaded onto.During the work time wear-resisting protrusion is worn first, and effective protection lithology and density logging instrument improves rock
The service life of property density instrument.
Further, wear-resistant block and wear-resisting protrusion are made of wear-resistant material, can reduce the replacement frequency of wear-resistant block, mention
High working efficiency.
Further, washer is equipped on wear-resistant block and lithology and density logging instrument contacts face, washer is through on screw, Neng Gouyou
Effect prevents wear-resistant block to the mechanical damage of lithology and density logging instrument.
Further, wear-resistant block shape is arc-shaped, can fit closely with lithology and density logging instrument, and reduction takes up space and work
Vibration when making improves the measurement accuracy of instrument and the service life of component.
Further, screw is hexagon socket countersunk flat cap head screw, reduces protrusion in the frictional impact of underground, avoids screw
Deformation and fracture and the damage for causing lithology and density logging instrument.
Detailed description of the invention
Fig. 1 is the normal axomometric drawing of the utility model；
Fig. 2 is the explosive view of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the top view of the utility model；
Fig. 5 is the cross-sectional view of the utility model；
Fig. 6 is the rigging position schematic diagram of the utility model and lithology and density logging instrument.
In figure, 01 is wear-resistant block, and 02 is wear-resisting protrusion, and 03 is screw, 04 lithology and density logging instrument.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to FIG. 1 to FIG. 5, the lithology and density logging instrument antiwear device of the utility model, including wear-resistant block 01, wear-resistant block 01
Both ends of the surface offer the through-hole for passing through for screw 03, and screw 03 is for fixing wear-resistant block 01 and lithology and density logging instrument；It is wear-resisting
Block 01 is equipped with wear-resisting raised 02, and wear-resisting raised 02 top is higher than the upper surface of wear-resistant block 01.
Screw 03 be hexagon socket countersunk flat cap head screw, reduce protrusion underground frictional impact, avoid screw deformation and
It is broken and causes the damage of lithology and density logging instrument.Wear-resisting raised 02 is made of wear-resistant material, can reduce replacement frequency, improves work
Make efficiency.It, can be using welding or liquid when wear-resisting raised 02 material is chromium carbide alloy and other alloys with wear resistence
The method of nitrogen cold setting is fixed on wear-resistant block 01.It, can be using height when wear-resisting raised 02 material is macromolecule anti-friction material
Intensity glue is fixed on wear-resistant block 01.Wear-resisting raised 02 wearability is strong, at low cost, and replacement is easy.
Washer is equipped on wear-resistant block 01 and lithology and density logging instrument contacts face, washer is through on screw 03, can effectively prevent
The only mechanical damages such as collide with, squeeze, scratch, abrade of the wear-resistant block 01 to lithology and density logging instrument in use.Due to underground
Space is limited, can be with lithology and density logging instrument by 01 shape fabricating of wear-resistant block at arc similar with lithology and density logging instrument configurations
It fits closely, reduces volume；Vibration when work can also be reduced simultaneously, improve the measurement accuracy of instrument and the service life of component.
The utility model is when in use:
Wear-resistant block 01 on wear-resistant block 01, being buckled in the bottom end of lithology and density logging instrument 04, screw 03 by wear-resisting raised 02 assembly
Through-hole on wear-resistant block 01 screws in the screw hole for being used to fill wear-resisting screw, screws.When work, whole device is in
Wear-resisting raised the 02 of outermost points is first subjected to abrasion, to effectively protect lithology and density logging instrument.
After the device, hence it is evident that the wear-resisting loosened screw of the cause reduced, fall off, deform, being broken caused by instrument grind
The problems such as damage, maintenance difficult, maintenance cost is high, the failure rate of instrument is reduced, it is time saving and energy saving to make to repair, and has saved cost.
Claims (10)
1. a kind of lithology and density logging instrument antiwear device, which is characterized in that including wear-resistant block (01), wear-resistant block (01) both ends of the surface are opened
Equipped with the through-hole for passing through for screw (03), screw (03) is for fixing wear-resistant block (01) and lithology and density logging instrument；Wear-resistant block
(01) it is equipped with wear-resisting raised (02), the top of wear-resisting protrusion (02) is higher than the upper surface of wear-resistant block (01).
2. lithology and density logging instrument antiwear device according to claim 1, which is characterized in that wear-resisting protrusion (02) is if setting
Dry.
3. lithology and density logging instrument antiwear device according to claim 2, which is characterized in that wear-resisting protrusion (02) is 3,
It is set to the middle part of wear-resistant block (01) upper surface.
4. lithology and density logging instrument antiwear device according to claim 1, which is characterized in that in the upper table of wear-resistant block (01)
Face offers the groove for being embedded wear-resisting raised (02).
5. lithology and density logging instrument antiwear device according to claim 1, which is characterized in that wear-resisting protrusion (02) is welded in
The upper surface of wear-resistant block (01).
6. lithology and density logging instrument antiwear device described according to claim 1~any one of 5, which is characterized in that also wrap
The washer being threaded through on screw (03) is included, and the washer is located on the contact surface of wear-resistant block (01) and lithology and density logging instrument.
7. lithology and density logging instrument antiwear device described according to claim 1~any one of 5, which is characterized in that wear-resisting
Block (01) is arc-shaped.
8. lithology and density logging instrument antiwear device described according to claim 1~any one of 5, which is characterized in that wear-resisting
Block (01) and wear-resisting raised (02) are made of wear-resistant material.
9. lithology and density logging instrument antiwear device according to claim 8, which is characterized in that wear-resistant block (01) is by No. 45 carbon
Plain steel is made, and wear-resisting protrusion (02) is by chromium carbide alloy.
10. lithology and density logging instrument antiwear device described according to claim 1~any one of 5, which is characterized in that screw
It (03) is hexagon socket countersunk flat cap head screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820745594.2U CN208330346U (en) | 2018-05-18 | 2018-05-18 | A kind of lithology and density logging instrument antiwear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820745594.2U CN208330346U (en) | 2018-05-18 | 2018-05-18 | A kind of lithology and density logging instrument antiwear device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330346U true CN208330346U (en) | 2019-01-04 |
Family
ID=64774414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820745594.2U Active CN208330346U (en) | 2018-05-18 | 2018-05-18 | A kind of lithology and density logging instrument antiwear device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330346U (en) |
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2018
- 2018-05-18 CN CN201820745594.2U patent/CN208330346U/en active Active
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