CN201934027U - Side teeth gauge protection reamer provided with float cushion - Google Patents
Side teeth gauge protection reamer provided with float cushion Download PDFInfo
- Publication number
- CN201934027U CN201934027U CN2011200547617U CN201120054761U CN201934027U CN 201934027 U CN201934027 U CN 201934027U CN 2011200547617 U CN2011200547617 U CN 2011200547617U CN 201120054761 U CN201120054761 U CN 201120054761U CN 201934027 U CN201934027 U CN 201934027U
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- China
- Prior art keywords
- gear wheel
- reamer
- gear
- pad
- seat
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- 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 belongs to a geological drilling tool, particularly relates to a side teeth gauge protection reamer provided with a float cushion. The reamer mainly comprises a reamer main body and a gear component consisting of a gear seat and a gear; the gear seat and the reamer main body are fixedly connected into a whole; a groove is formed in a corresponding position on the gear or a pressure wheel; the groove is closed to form a locking steel ball runway trough; a locking steel ball is arranged in the locking steel ball runway trough; and the gear is sleeved on the gear seat. The reamer is characterized in that a roller runway trough is arranged in the inner hole of the gear; a roller is arranged in the roller runway trough; the float cushion is sleeved on the large shaft end surface of the gear seat; and the float cushion is in sliding fit with the corresponding inner hole of the gear. The reamer has the benefits that since the float cushion is additionally arranged, the abrasion between the gear seat and the end surface of the gear is reduced; and an abrasion-reducing metal material layer is coated on each of two surfaces of the ring-shaped float cushion, so that the friction coefficient between the float cushion and the gear, as well as between the float cushion and the gear seat is reduced, the heat productivity is reduced, and the service life of the reamer is greatly prolonged.
Description
Technical field
The utility model belongs to the geology boring means, relates in particular to a kind of heel teeth that has the pad that floats and protects the footpath reamer.
Background technology
At present, reamer is widely used in drilling well and the boring the ground operation, and the primary structure of reamer cutting unit is gear wheel and bit leg part, and the sealing effectiveness of gear wheel and bit leg bearing that axle forms directly influences application life of reamer.The technician is by changing the structure of reamer at present; improved the sealing of bearing greatly; for example remove the bit leg palm back of the body; the gear wheel assembly substitutes the palm back of the body as new bit leg axle with the gear wheel seat; there are not the palm back of the body and shirttail; just avoid the harm that landwaste and silt caused of hole wall bottom; indirect protection the sealing system of gear wheel assembly bearing; but owing to exist sliding friction between gear wheel and the gear wheel seat; particularly big axial end of gear wheel seat and gear wheel endoporus position contacting; the reaction force maximum on ground; the wearing and tearing of gear wheel seat are the most serious, under gear wheel runs up the situation of work, very easily cause the gear wheel seat to rock for a long time in gear wheel and break away from gear wheel; therefore, the force of sliding friction that reduces between gear wheel and gear wheel seat is most important to the application life that prolongs reamer.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and provides a kind of heel teeth that has the pad that floats to protect the footpath reamer.Frictional force between big axial end by reducing the gear wheel seat and the corresponding gear wheel endoporus is to prolong the application life of reamer.
The utility model for achieving the above object, by the following technical solutions: a kind of heel teeth that has the pad that floats is protected the footpath reamer, mainly by the reamer body with comprise that the gear wheel assembly of gear wheel seat and gear wheel constitutes, described gear wheel seat and reamer body are affixed to become whole, correspondence position is respectively equipped with groove on described gear wheel or the pinch roller seat, the closed formation locking of described lock groove steel ball runway groove, be equipped with the locking steel ball in the locking steel ball runway groove, described gear wheel is set on the gear wheel seat, and by locking steel ball and gear wheel seat axial locking, it is characterized in that: be provided with roller runway groove in the endoporus of described gear wheel, be provided with roller in the described roller runway groove, cover being equipped with the pad that floats on the big axial end of described gear wheel seat, and described unsteady pad is slidingly matched with corresponding gear wheel endoporus.
Described unsteady pad surface is provided with the antifriction metal layer.
Described reamer body mainly is provided with the body mandrel of tool joint thread by two ends, ring flat-plate, mainboard, preceding guide strip, rear deflector, water pipe radially, the inclination water pipe constitutes, guide strip before described, ring flat-plate, mainboard, rear deflector is fixed on the body mandrel after going to successively, evenly be provided with the gear wheel seat insert hole that is no less than three on the described mainboard on the circumference, the body mandrel was also radially run through at the guide strip rear before described radially water pipe placed, described inclination water pipe places between the gear wheel assembly of mainboard front side and radially runs through the body mandrel, and the axis of described gear wheel seat axis and reamer body mandrel is parallel to each other.
Insert hydrophthalmia or do not have the water blocking of centre bore in described radially water pipe and the inclination water pipe.
Stud with carbide alloy gauge teeth and carbide cutting tooth on the gear wheel of described gear wheel assembly.
Constitute bearing bore between described gear wheel seat and the gear wheel, its joint portion is provided with sealing ring.
Beneficial effect:, reduced the wearing and tearing of gear wheel seat and gear wheel end face by with increasing the annular pad that floats between the big axial end of gear wheel seat and the gear wheel endoporus; Annular is floated and is filled up two surface plating one deck antifriction metal materials, has reduced the friction factor between unsteady pad and gear wheel and gear wheel seat, has reduced calorific value, has improved the application life of reamer greatly.The gear wheel assembly that adopts, its gear wheel is divided into several grades of diameter grades, on the individuality of same specification reamer body, uses the gear wheel assembly of different-diameter grade respectively, can finish other ream operation of different-diameter level.
Description of drawings
Fig. 1 is the structure chart of the utility model gear wheel assembly;
Fig. 2 is an overall structure of the present utility model;
Fig. 3 is an end view of the present utility model;
Fig. 4 is the utility model main body structure figure;
Fig. 5 is the wherein sectional drawing of one group of gear wheel assembly and part body of the utility model;
Fig. 6 is the structure chart of hydrophthalmia in the utility model;
Fig. 7 is the unsteady pad of a utility model structural scheme of mechanism.
Among the figure: 11, the body mandrel, 110, tool joint thread, 12, preceding guide strip, 13, ring flat-plate, 14, mainboard, 140, gear wheel seat insert hole, 15, rear deflector, 16, water pipe radially, 17, the inclination water pipe, 21, gear wheel, 211, gauge teeth, 212, cutting teeth, 213, locking steel ball runway groove, 214, roller runway groove, 22, the gear wheel seat, 23, the locking steel ball, 24, roller, 25, bearing sealed ring, 26, plug pin, 27, float and fill up 29, groove, 30, the gear wheel endoporus, 221, macro-axis, 222, the plug pin hole, 31, hydrophthalmia, 32, the hydrophthalmia back-up ring, 32-1, circlip groove, 33 sealing rings, 33-1, seal groove.
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in the figure, a kind of heel teeth that has the pad that floats is protected the footpath reamer, comprise the reamer body and by gear wheel 21, the gear wheel assembly that gear wheel seat 22 constitutes, described reamer body mainly is provided with the body mandrel 11 of tool joint thread 110 by two ends, ring flat-plate 13, mainboard 14, preceding guide strip 12, rear deflector 15, radially water pipe 16, inclination water pipe 17 constitutes, guide strip before described, ring flat-plate, mainboard, rear deflector is fixed on the body mandrel after going to successively, the body mandrel is a central axis, its two ends are provided with tool joint thread, can be arranged to male thread or box thread as required, jointed rod when being used for operation.Evenly distribute on the circumference on the described mainboard and be no less than three gear wheel seat insert hole 140, the body mandrel was also radially run through at the guide strip rear before described radially water pipe placed, described inclination water pipe places between the gear wheel assembly of mainboard front side and radially runs through the body mandrel, and described gear wheel seat becomes integral body by gear wheel seat insert hole and reamer body are affixed.
Stud with carbide alloy gauge teeth 211 and carbide cutting tooth 212 on the gear wheel 21 of described gear wheel assembly, cutting teeth is the main cutting element of reamer, and gauge teeth is that counter bore diameter is provided safeguard, and plays the assisted machining effect.The gear wheel axis is parallel with the reamer body axis, so the heel teeth of gear wheel is the maximum outside diameter of whole reamer.The gear wheel heel teeth has determined counter bore diameter at the maximum outside diameter of gear wheel.After the gear wheel assembly lost efficacy owing to reasons such as wearing and tearing, the gear wheel seat can be broken away from the reamer body with methods such as ARC CUTTING after, weld gear wheel assembly new product again, continue to use, the reamer body is reusable.
Correspondence position is respectively equipped with groove 29 on described gear wheel or the pinch roller seat, the closed formation locking of described lock groove steel ball runway groove 213, described gear wheel seat is provided with plug pin hole 222, dress plug pin 26 in the described plug pin hole, be equipped with locking steel ball 23 in the locking steel ball runway groove, plug pin is used for the locking steel ball is pinned in locking steel ball runway.Described gear wheel is set on the gear wheel seat, and by locking steel ball and gear wheel seat axial locking, be provided with roller runway groove 214 in the described gear wheel endoporus, be provided with roller 24 in the described roller runway groove, cover being equipped with the pad 27 that floats on macro-axis 221 end faces of described gear wheel seat, and described unsteady pad is slidingly matched with corresponding gear wheel endoporus 30.Constitute bearing bore between described gear wheel seat and the gear wheel, its joint portion is provided with bearing sealed ring 25.Bearing sealed ring is that the bearing of gear wheel and gear wheel seat provides the annular seal space that lubricant grease exists.During the assembling of gear wheel assembly, during the assembling of gear wheel assembly, pad 27 successively will float, roller 24 installs bearing sealed ring 25, and gear wheel seat 22 is packed into behind the gear wheel, by plug pin hole 222 pack into locking steel ball 23, plug pin 26 pack into plug pin hole 222 and weld after, promptly locked locking steel ball 23 in its runway.After locking steel ball 23 is packed into, locked the axial location of gear wheel 21 with gear wheel seat 22.Sealing ring 25 provides sealing function for the bearing bore of gear wheel and gear wheel seat formation, and bearing bore and outside mud that it will be equipped with lubricant grease separate, and ensure bearing operate as normal under the condition of good lubrication.Gauge teeth has determined the counter bore diameter of reamer at the maximum gauge of gear wheel, change gauge teeth and just can change counter bore diameter at the maximum gauge of gear wheel, in other words, change the maximum gauge of gear wheel integral body, just counter bore diameter can be changed, therefore, the gear wheel of different-diameter grade can be made, utilize same body, realize multistage reaming.The conveyance conduit hole be on than the basis of minor diameter prebored hole step by step counterboring form, after finishing the one-level counterboring, if gear wheel component failures or basic the inefficacy, removable lower tooth wheel assembly, continue to use existing reamer body, install and weld than other gear wheel of major diameter level, carry out the next stage ream operation.
The above only is preferred embodiment of the present utility model, is not structure of the present utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. a heel teeth that has the pad that floats is protected the footpath reamer, mainly by the reamer body with comprise that the gear wheel assembly of gear wheel seat and gear wheel constitutes, described gear wheel seat and reamer body are affixed to become whole, correspondence position is respectively equipped with groove on described gear wheel or the pinch roller seat, the closed formation locking of described lock groove steel ball runway groove, be equipped with the locking steel ball in the locking steel ball runway groove, described gear wheel is set on the gear wheel seat, and by locking steel ball and gear wheel seat axial locking, it is characterized in that: be provided with roller runway groove in the endoporus of described gear wheel, be provided with roller in the described roller runway groove, cover being equipped with the pad that floats on the big axial end of described gear wheel seat, and described unsteady pad is slidingly matched with corresponding gear wheel endoporus.
2. the heel teeth that has the pad that floats according to claim 1 is protected the footpath reamer, and it is characterized in that: described unsteady pad surface is provided with the antifriction metal layer.
3. the heel teeth that has the pad that floats according to claim 1 is protected the footpath reamer, it is characterized in that: described reamer body mainly is provided with the body mandrel of tool joint thread by two ends, ring flat-plate, mainboard, preceding guide strip, rear deflector, water pipe radially, the inclination water pipe constitutes, guide strip before described, ring flat-plate, mainboard, rear deflector is fixed on the body mandrel after going to successively, evenly be provided with the gear wheel seat insert hole that is no less than three on the described mainboard on the circumference, the body mandrel was also radially run through at the guide strip rear before described radially water pipe placed, described inclination water pipe places between the gear wheel assembly of mainboard front side and radially runs through the body mandrel, and the axis of described gear wheel seat axis and reamer body mandrel is parallel to each other.
4. protect the footpath reamers according to claim 1 or the 3 described heel teeths that have the pad that floats, it is characterized in that: insert hydrophthalmia or do not have the water blocking of centre bore in described radially water pipe and the inclination water pipe.
5. the heel teeth that has the pad that floats according to claim 4 is protected the footpath reamer, it is characterized in that: stud with carbide alloy gauge teeth and carbide cutting tooth on the gear wheel of described gear wheel assembly.
6. the heel teeth that has the pad that floats according to claim 4 is protected the footpath reamer, and it is characterized in that: constitute bearing bore between described gear wheel seat and the gear wheel, its joint portion is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200547617U CN201934027U (en) | 2011-03-04 | 2011-03-04 | Side teeth gauge protection reamer provided with float cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200547617U CN201934027U (en) | 2011-03-04 | 2011-03-04 | Side teeth gauge protection reamer provided with float cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934027U true CN201934027U (en) | 2011-08-17 |
Family
ID=44445549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200547617U Expired - Fee Related CN201934027U (en) | 2011-03-04 | 2011-03-04 | Side teeth gauge protection reamer provided with float cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934027U (en) |
-
2011
- 2011-03-04 CN CN2011200547617U patent/CN201934027U/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 | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN LILIN SCREW MACHINERY CO., LTD. Free format text: FORMER OWNER: TIANJIN LILIN BIT CO., LTD. Effective date: 20130524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130524 Address after: 300352 Tianjin city Jinnan District gegu town three village Patentee after: Tianjin Lilin Screw Machinery Co., Ltd. Address before: 300352 Tianjin city Jinnan District gegu town three village Patentee before: Tianjin Lilin Bit Co., Ltd. |
|
| 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: 20110817 Termination date: 20160304 |