CN202017451U - Rock reamer with replaceable wheel body - Google Patents
Rock reamer with replaceable wheel body Download PDFInfo
- Publication number
- CN202017451U CN202017451U CN2011201461064U CN201120146106U CN202017451U CN 202017451 U CN202017451 U CN 202017451U CN 2011201461064 U CN2011201461064 U CN 2011201461064U CN 201120146106 U CN201120146106 U CN 201120146106U CN 202017451 U CN202017451 U CN 202017451U
- Authority
- CN
- China
- Prior art keywords
- wheel body
- replaceable
- column piece
- rock reamer
- taper
- 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 - Lifetime
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Abstract
The utility model relates to the field of trenchless pipe-laying engineering construction, in particular to a rock reamer with a replaceable wheel body for a trenchless drilling machine in reaming construction in rock stratums. The rock reamer with the replaceable wheel body comprises a body, a connecting column piece (4) and the replaceable wheel body (3), wherein the connecting column piece (4) is installed on the body and is provided with a tapered or non-tapered connecting part, the replaceable wheel body comprises a bearing (7), and a tapered or non-tapered bearing inner hole of the bearing (7) is jointed and connected to the tapered or non-tapered connecting part of the connecting column piece (4). The rock reamer with the replaceable wheel body, provided by the utility model, is not only easy to dismount, mount and replace, but also can be reliably assembled; and in addition, the service life of the rock reamer can be prolonged, the cost can be reduced, and the resources can be saved.
Description
Technical field
The utility model relates to trenchless pipelaying engineering construction field, particularly a kind of replaceable wheel body rock reamer that is used for non-digging drill in lithostratigraphy reaming construction.
Background technology
At present, the wheel body of the reamer that adopts in the trenchless pipelaying construction of lithostratigraphy has welding and two kinds of mounting meanss of screwed connection.
The welded type wheel body need cut down the old body and function flame of taking turns when changing wheel body, welds new wheel body then again, in cutting and welding process, because temperature is too high, damages wheel body bearing seal and reamer body easily, shorten the life-span, and wheel body is long weld interval, generally needs 2 to 3 days.
Screw thread formula wheel body needs bigger tight moment when mounted, if tight moment is too small, then wheel body is loosening easily and cause wheel body to come off or damage thread; If tight moment is excessive, bearing pressurized tension and make wheel body to rotate then causes eccentric wear and scraps too early, causes significant wastage.According to the installation requirement of screw thread formula wheel body, the reamer body must be installed on the large-scale dedicated hydraulic moment machine to realize installation.But, general building site seldom is equipped with special-purpose moment machine, but manually tighten screw thread usually or tighten screw thread with excavator bump spanner, in this case, manually often do not reach tight moment requirement, and the uncontrollable at all tight moment of excavator, thereby the phenomenon that wheel body is loosening or wheel body can't rotate often appears, cause the reamer premature failure.
The utility model content
At above-mentioned prior art problems, the utility model provides a kind of replaceable wheel body rock reamer, and its wheel body not only is easy to disassembling, assembling and replacing, and can reliably assemble, and can improve application life, and reducing cost economizes on resources.
The utility model provides a kind of replaceable wheel body rock reamer, comprising:
Body;
Connect column piece, it is installed to described body, and has the coupling part of taper or non-taper; With
Removable wheel body, it comprises bearing, the taper that described bearing has or the brearing bore of non-taper engage and are connected to the described taper of described connection column piece or the coupling part of non-taper.
Preferably, in each embodiment of the present utility model, the outer end of described connection column piece has the polygon cylinder, and the bottom of the brearing bore of the bearing of described wheel body has polygonal hole, and described polygon cylinder and described polygonal hole are being mated in shape.
Preferably, in each embodiment of the present utility model, described polygon is quadrangle, pentagon, hexagon or their combined shaped.
Preferably, in each embodiment of the present utility model, further comprise:
The collet threaded part, it firmly is connected to described connection column piece with described wheel body.
Preferably, in each embodiment of the present utility model, further comprise:
Locking device, it is arranged on the described collet threaded part.
Preferably, in each embodiment of the present utility model, the quantity of described wheel body is two, three or more a plurality of.
Preferably, in each embodiment of the present utility model, described body comprises mandrel, and described mandrel comprises the mud spray-hole, and the quantity of described mud spray-hole is equal to or greater than the quantity with described wheel body.
Preferably, in each embodiment of the present utility model, described wheel body is selected from the group of the wheel body that comprises different specification size.
Preferably, in each embodiment of the present utility model, described body comprises sets upright circle and back guide part, and described connection column piece is installed in described setting upright between circle and the described back guide part.
Preferably, in each embodiment of the present utility model, further comprise:
Seal, its brearing bore that is arranged on the bearing of described wheel body is connected between the column piece with described.
The replaceable wheel body rock reamer that provides by the utility model, utilization is fit to the mode of being connected, make that the disassembling, assembling and replacing of wheel body is simple on the one hand, only need less tight moment can satisfy application requirements, on the other hand wheel body can be installed solid and reliablely, thereby avoid because the wearing and tearing that wheel body connects due to becoming flexible damage, so not only be easy to disassembling, assembling and replacing, and can reliably assemble, and can improve application life, reducing cost economizes on resources.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in below describing only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 is the schematic cross sectional views according to the replaceable wheel body rock reamer of embodiment of the present utility model.
Wherein, the Reference numeral of each element is as follows:
1, mandrel
2, set upright circle
3, removable wheel body
4, connect column piece
5, collet threaded part
6, locking device
7, wheel body bearing
8, back guide part (circle or plate)
9, mud spray-hole
The specific embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
As shown in fig. 1, the structure according to the replaceable wheel body rock reamer of an embodiment of the present utility model comprises:
Body;
Connect column piece 4, it is installed to described body, and has the coupling part of taper or non-taper; With
In preferred embodiment of the present utility model, connecting the connected mode (for example Morse's taper connected mode) that can adopt taper between column piece 4 and the wheel body 3, promptly, connect the coupling part that column piece 4 has taper, and the bearing 7 of wheel body 3 has the brearing bore of taper, the brearing bore of taper engages the coupling part that is connected to the taper that connects column piece 4, thus, the connected mode of this taper can guarantee between the parts location accurately and connect firm.
Like this, wheel body 3 is by connecting the body that column piece 4 is connected to replaceable wheel body rock reamer, and wherein wheel body 3 accurately is connected to the tapering part that connects column piece 4 securely by the cone bearing endoporus of its bearing 7.By this taper fit connected mode, make that the disassembling, assembling and replacing of wheel body 3 is simple on the one hand, only need less tight moment can satisfy application requirements, on the other hand wheel body 3 can be installed solid and reliablely, thereby avoid because the wearing and tearing that wheel body connects due to becoming flexible damage.
Certainly, in other embodiments, also can adopt the connected mode of non-taper, for example the cylindricality connected mode.
In the utility model, used term " connection column piece " represents that it roughly is cylindricality, and is not limited only to cylindrical or prismatic on the strict geometric meaning, and " connection column piece " for example can be the element of part taper.
Preferably, in each embodiment of the present utility model, the outer end of described connection column piece 4 (being the radial outer end with respect to mandrel 1 in Fig. 1) has the polygon cylinder, the bottom of the cone-shaped inner hole of the bearing 7 of described wheel body 3 has polygonal hole, described polygon cylinder and described polygonal hole are being mated in shape, thereby can play the effect of transfer torque.
Preferably, in each embodiment of the present utility model, described polygon is quadrangle, pentagon, hexagon or other polygons (for example shape that is combined by one or more polygons or abnormity).
In one embodiment, go out 6 planes and form the hexagon cylinder (promptly in the outer end peripheral construction that connects column piece 4, hexagonal prism), correspondingly, the hole that constructs hexagonal cross-section in the bottom of the brearing bore of bearing 7 (promptly, hexagonal hole), thus, described hexagonal prism and hexagonal hole can cooperate with transfer torque.
Preferably, have tapering part, can keep accurately locating engaging when being connected like this with the cone bearing endoporus of bearing 7 in the part except described outer end of polygon cylinder (for example hexagonal prism) (for example inner).
Preferably, in each embodiment of the present utility model, further comprise: collet threaded part 5, it firmly is connected to described connection column piece 4 with described wheel body 3.As required, collet threaded part 5 can be that bolt, screw, screw rod or other have the element of helicitic texture, and its quantity can be one or more.
Preferably, in each embodiment of the present utility model, further comprise: locking device 6, it is arranged on the described collet threaded part 5, with the wheel body 3 that prevents emplace at work or loosening when being given a shock.Preferably, described locking device 6 can be anti-loose key or ends loose key.
Preferably, in each embodiment of the present utility model, the quantity of described wheel body 3 is two, three or more a plurality of.
Preferably, in each embodiment of the present utility model, described body comprises mandrel 1, and described mandrel 1 comprises mud spray-hole 9, and the quantity of described mud spray-hole 9 is equal to or greater than the quantity with described wheel body 3.Preferably, each wheel body 3 next door all is provided with at least one mud spray-hole 9, and the mud of injection can play the effect of flushing wheel body 3 and broken rock.
Preferably, in each embodiment of the present utility model, described wheel body 3 is selected from the group of the wheel body that comprises different specification size.That is to say,, can select one group of wheel body (and the wheel body of different specification size all can engage to be connected to and connect column piece) of different specification size for use, and can change easily when needed according to the different application requirement.Preferably, has identical specification for each wheel body in the employed one group of wheel body of certain applications.
In one embodiment, described body comprises sets upright circle 2, and the described circle 2 of setting upright comprises wear rib, for example contains the wear rib of alloy.
Preferably, in each embodiment of the present utility model, described body comprises sets upright circle 2 and back guide part 8, and described connection column piece 4 is installed in described setting upright between circle 2 and the described back guide part 8.
Preferably, in each embodiment of the present utility model, further comprise seal, its brearing bore that is arranged on the bearing 7 of described wheel body 3 is connected between the column piece 4 with described, enters in the mating face between the two to prevent dirt.
Preferably, the cutting teeth of described wheel body 3 can be steel-tooth, welds tooth, inlay carbide button.
In a preferred embodiment of the present utility model, as shown in fig. 1, replaceable wheel body rock reamer comprises:
Body, it comprises: mandrel 1, set upright circle 2 and back guide part 8;
Tapering cylinder 4, it is installed in sets upright between circle 2 and the back guide part 8, and has tapering part; With
Wherein,
The outer end that connects column piece 4 has hexagonal prism, and the cone-shaped inner hole bottom of the bearing 7 of wheel body 3 has hexagonal hole, and described hexagonal prism and described hexagonal hole are mating in shape;
Replaceable wheel body rock reamer comprises: collet threaded part 5, and it firmly is connected to described wheel body 3 and connects column piece 4;
Replaceable wheel body rock reamer comprises: locking device 6, and it is arranged on the collet threaded part 5;
Effective effect of the present utility model is: do not need cutting and welding when changing the wheel body of wheel body or different size specification at the construction field (site), do not need replaceable wheel body rock reamer is placed on the tight moment equipment of large-scale specific hydraulic yet, as long as on the original place is assembled to wheel body connection column piece on the body mandrel, manually the collet threaded part is tightened then with spanner, the locking locking device gets final product, simple, improved efficient greatly, and can not produce the fault that wheel body is loosening and wheel body can't rotate, improved the application life of replaceable wheel body rock reamer, reduce construction cost, saved resource.
Compared with prior art, the utlity model has following advantage:
1, connects cylinder (particularly using the tapering interconnection technique) by using, the wheel body installation reliability is higher, can not occur connecting the loosening problem that connector is damaged too early because the wheel body mounting torque causes not enough, equally can not occur because excessive wheel body shell and the bearing fit tension of causing of wheel body mounting torque yet, the fault that causes wheel body to rotate, avoid the too early wearing and tearing of wheel body, greatly reduced the cost that drilling tool consumes, saved day by day valuable resource.
2, connect cylinder (particularly using the tapering interconnection technique) by using, make the dismounting of wheel body, installation become very simple; Because the connected mode of this wheel body does not need bigger tight moment, thereby do not need to dispose the tight moment equipment of large-scale dedicated hydraulic, only need the scene manually with spanner wheel body collet threaded part to be tightened, load onto then screw element and end loose key and get final product, the efficient of changing wheel body is improved greatly.
Although 3, be provided with the anticreep bolt in the prior art, but because its anticreep bolt does not directly contact with wheel body, between certain gap is arranged, can not play the effect that prevents that wheel body is loosening, prevent the accident that wheel body comes off from screw thread and can only play wheel body after loosening; And the utility model directly is provided with the collet threaded part at wheel body collet threaded part and ends loose key, thereby can directly effectively prevent the loosening of collet threaded part, has also just effectively prevented the loosening of wheel body.
The various embodiment that the utility model provides can be as required in any way mutually combination, the technical scheme that obtains by this combination is also in scope of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model. Like this, if of the present utility model these are revised and modification belongs to the range of the utility model claim and equivalent technologies thereof, then the utility model also comprises these changes and modification interior.
Claims (10)
1. a replaceable wheel body rock reamer is characterized in that, comprising:
Body;
Connect column piece (4), it is installed to described body, and has the coupling part of taper or non-taper; With
Removable wheel body (3), it comprises bearing (7), the taper that described bearing (7) has or the brearing bore of non-taper engage and are connected to the described taper of described connection column piece (4) or the coupling part of non-taper.
2. replaceable wheel body rock reamer as claimed in claim 1, it is characterized in that, the outer end of described connection column piece (4) has the polygon cylinder, the bottom of the brearing bore of the bearing (7) of described wheel body (3) has polygonal hole, and described polygon cylinder and described polygonal hole are being mated in shape.
3. replaceable wheel body rock reamer as claimed in claim 2 is characterized in that described polygon is quadrangle, pentagon, hexagon or their combined shaped.
4. replaceable wheel body rock reamer as claimed in claim 1 is characterized in that, further comprises:
Collet threaded part (5), it firmly is connected to described connection column piece (4) with described wheel body (3).
5. replaceable wheel body rock reamer as claimed in claim 4 is characterized in that, further comprises:
Locking device (6), it is arranged on the described collet threaded part (5).
6. as the described replaceable wheel body rock reamer of one of claim 1 to 5, it is characterized in that the quantity of described wheel body (3) is two, three or more a plurality of.
7. as the described replaceable wheel body rock reamer of one of claim 1 to 5, it is characterized in that, described body comprises mandrel (1), and described mandrel (1) comprises mud spray-hole (9), and the quantity of described mud spray-hole (9) is equal to or greater than the quantity of described wheel body (3).
8. as the described replaceable wheel body rock reamer of one of claim 1 to 5, it is characterized in that described wheel body (3) is selected from the group of the wheel body that comprises different specification size.
9. as the described replaceable wheel body rock reamer of one of claim 1 to 5, it is characterized in that described body comprises sets upright circle (2) and back guide part (8), described connection column piece (4) is installed in described setting upright between circle (2) and the described back guide part (8).
10. as the described replaceable wheel body rock reamer of one of claim 1 to 5, it is characterized in that, further comprise:
Seal, its brearing bore that is arranged on the bearing (7) of described wheel body (3) is connected between the column piece (4) with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461064U CN202017451U (en) | 2011-05-10 | 2011-05-10 | Rock reamer with replaceable wheel body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461064U CN202017451U (en) | 2011-05-10 | 2011-05-10 | Rock reamer with replaceable wheel body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017451U true CN202017451U (en) | 2011-10-26 |
Family
ID=44811122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201461064U Expired - Lifetime CN202017451U (en) | 2011-05-10 | 2011-05-10 | Rock reamer with replaceable wheel body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865041A (en) * | 2012-09-10 | 2013-01-09 | 佟功喜 | Rock penetrating reaming device |
| US9714544B2 (en) | 2013-05-20 | 2017-07-25 | The Charles Machine Works, Inc. | Reamer with replaceable rolling cutters |
| US10619420B2 (en) | 2013-05-20 | 2020-04-14 | The Charles Machine Works, Inc. | Reamer with replaceable rolling cutters |
-
2011
- 2011-05-10 CN CN2011201461064U patent/CN202017451U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865041A (en) * | 2012-09-10 | 2013-01-09 | 佟功喜 | Rock penetrating reaming device |
| US9714544B2 (en) | 2013-05-20 | 2017-07-25 | The Charles Machine Works, Inc. | Reamer with replaceable rolling cutters |
| US10619420B2 (en) | 2013-05-20 | 2020-04-14 | The Charles Machine Works, Inc. | Reamer with replaceable rolling cutters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 065000 No. 2 Shun'an Street, Pengzhuang, Guangyang District, Langfang City, Hebei Province Patentee after: Langfang Pangolin Construction Machinery Co., Ltd. Address before: Room C1-2-1201, Sunshine Jiahe District, Langfang City, Hebei Province Patentee before: Zhang Piguo |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
|
| CX01 | Expiry of patent term |