CN2222795Y - Combined rock drilling rod - Google Patents
Combined rock drilling rod Download PDFInfo
- Publication number
- CN2222795Y CN2222795Y CN 95230123 CN95230123U CN2222795Y CN 2222795 Y CN2222795 Y CN 2222795Y CN 95230123 CN95230123 CN 95230123 CN 95230123 U CN95230123 U CN 95230123U CN 2222795 Y CN2222795 Y CN 2222795Y
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- drill
- affixed
- thread
- drill rod
- screw thread
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- Expired - Fee Related
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Abstract
The utility model relates to a combined rock drilling rod which is formed by assembling and combining a drilling rod body and a joint assembly. The connection between the drilling rod body and a joint adopts a fine thread fixed connection, a static match fixed connection, a combination between a fixed connected thread and the static match, a combination between a friction cone and a thread, a combination between the static match and the friction cone, and a combination between the friction cone and a columnar body whose cross section is hexagon-shaped, quadrilateral-shaped, triangular, etc. The rod has the advantages of long service life, low cost, easy fabrication, and the work efficiency of the rock drill is improved.
Description
The utility model belongs to the corollary apparatus of rock drilling equipment, is specially adapted to the drill steel that various hammer drill use.
Along with constantly popularizing of heavy efficient hydraulic hammer drill, its matched drill steel life-span will directly influence the efficient and the cost of hammer drill.The matched drill steel of all kinds of hammer drill is summarized two kinds: first taper connection drill steel, be applicable to the Drilling shallow bore hole, and it relies on bit shank to be connected with hammer drill, relies on an end that has cone to link to each other with bore bit; It two is screw connection drill rods, is applicable to the Drilling deep hole, with the extension of hole depth, by negative thread and sleeve two ends is had one couples together of drill steel of pin thread, has cut a hole Kong Houzai drill steel is dismantled one by one, so that take out bore bit from boring.Perhaps by the negative thread sleeve one end of drill steel is connected with hammer drill, the other end links to each other with bore bit by screw thread.
These two kinds of drill rods have the following disadvantages in actual applications: (1) will produce metallurgical breach in its thermal treatment zone in system pricker process, changed the metallographic structure of drill steel, cause the dangerous section of drill steel.(2) for eliminating the tissue defects that causes in the system pricker process, select the drill steel material by its key position or dangerous section force-bearing situation, the design whole heat treatment process, must purchase huge Equipment for Heating Processing, and after the bulk heat treatmet, it is crooked that drill steel is produced, influence application life, also be difficult to simultaneously realize the synchronous on the whole life-span, concerning non-key position, caused the waste on the cost.
The purpose of this utility model provides a kind of long-life combined type drill steel.
Scheme of the present utility model is the stress different according to the drill rod different parts, structurally decomposition is designed to single part, selects the material manufacturing respectively, designs Technology for Heating Processing separately, adopt the method for combination that part is assembled into drill rod then, realize the long-life on the whole.
Drill rod of the present utility model mainly is made up of drill steel body and joint two parts.Joint and drill steel body adopt that fine thread is affixed, stationary fit is affixed, affixed screw thread combines with stationary fit, cone of friction combines with screw thread, stationary fit combines with cone of friction and to be that modes such as columns such as hexagon, quadrangle and triangle combine are affixed be assembled into whole drill steel cone of friction and cross section, and the screw thread of being convenient to load and unload for preparing on the dependence joint between the drill steel is connected.At the different bearer condition of joint and drill steel body, adopt different materials and manufacturing process, to improve the whole service life of drill rod.
When the utility model adopted the affixed mode of fine thread to assemble, for the taper connection drill steel, the drill steel body relied on affixed screw thread of closely-pitched and joint (bit shank) to tighten together; For screw connection drill rod, drill steel body two ends rely on affixed screw thread of closely-pitched and joint to tighten together, and one on the loading and unloading screw thread of two joints is a pin thread, and one is negative thread, and perhaps two are pin thread, can be according to the drilling tool kind decision of selecting.
When the utility model adopted the affixed assembling mode of stationary fit, for the taper connection drill steel, stationary fit and joint (bit shank) that the drill steel body relies on interference to cause tightened together; For screw connection drill rod, drill steel body two ends rely on the stationary fit that causes with the joint matching part, each part of combination drill steel is tightened together, realize the assembling of drill rod integral body, the other end of two joints is the loading and unloading screw thread, they can be that the spiral that negative thread and pin thread are formed is paid, and realize connection and dismounting between the combination drill rod; They also can be sun loading and unloading screw thread, so that be connected with rock drill bit with hammer drill respectively, realize non-borehole sectional steel drilling.
The affixed assembling mode that the utility model adopts screw thread to combine with stationary fit, for screw connection drill rod, drill steel body two ends rely on affixed screw thread and the stationary fit mode that combines, and join under the condition at hot charging to tighten together with joint, and an other end of two joints are the loading and unloading screw threads.
The utility model adopts the cone of friction affixed assembling mode that combines with screw thread, and for screw connection drill rod, drill steel body two ends rely on cone of friction and the affixed screw thread mode that combines to tighten together with joint, and an other end of two joints is to load and unload screw threads.
The utility model adopts stationary fit to combine affixed assembling mode with cone of friction, and for screw connection drill rod, drill steel body two ends rely on stationary fit and the cone of friction mode that combines to tighten together with joint, and an other end of two joints is to load and unload screw threads.
It is the affixed assembling mode that columns such as hexagon, quadrangle and triangle combine with the cross section that the utility model adopts cone of friction, for screw connection drill rod, it is that columns such as hexagon, quadrangle and the triangle mode that combines tightens together with joint that drill steel body two ends rely on cone of friction and cross section, and an other end of two joints is for loading and unloading screw threads.
Below in conjunction with embodiment and accompanying drawing the utility model is further specified.
Fig. 1 is the taper connection combination drill rod structural representation that adopts the affixed assembling mode of fine thread;
Fig. 2 is the combined type drill steel structural representation that is threaded that adopts the affixed assembling mode of fine thread;
Fig. 3 is the taper connection combination drill rod structural representation that adopts the affixed assembling mode of stationary fit;
Fig. 4 is the combined type drill steel structural representation that is threaded that adopts the affixed assembling mode of stationary fit.
Fig. 5 is the combined type drill steel structural representation that is threaded that adopts the affixed assembling mode that screw thread combines with stationary fit;
Fig. 6 is the combined type drill steel structural representation that is threaded that adopts the affixed assembling mode that cone of friction combines with screw thread;
Fig. 7 is the combined type drill steel structural representation that is threaded that adopts the affixed assembling mode that stationary fit combines with cone of friction;
Fig. 8 is that to adopt cone of friction and cross section be the combined type drill steel structural representation that is threaded of the affixed assembling mode that combines of columns such as hexagon, quadrangle and triangle.
(1) drill steel body, (2) joint among Fig. 1.Drill steel body (1) one end is made cone or is made the working thread that cooperates with bore bit, and the other end is made the affixed screw thread of closely-pitched.Joint (2) one end is made the affixed negative thread of closely-pitched, and is affixed with drill steel body (1) realization, finishes combine and assemble, and the other end of joint (2) is made hexagonal bit shank structure, so that be connected with hammer drill.
Among Fig. 2, (1) drill steel body, (3) female coupling, (4) male joint.The affixed screw thread of closely-pitched is made at drill steel body (1) two ends, fine thread with female coupling (3) and male joint (4) cooperates respectively, it is affixed to rely on self-lock force to realize, finish the entire combination assembling of drill rod, utilize the spiral of the loading and unloading screw thread composition of female coupling (3) and male joint (4) to pay connection and dismounting between the whole drill rod of realization again, when drill rod was first drill steel or non-extension bar, then the loading and unloading screw thread of male joint (4) connected with the working thread of rock drill bit.
Among Fig. 3, (1) drill steel body, (2) joint.Drill steel body (1) one end is made cone or is made the working thread that cooperates with bore bit, and its other end is made the garden post that has fit tolerance, crosses assembling realization stationary fit therebetween with the garden post aperture that cooperates that joint (2) one ends are made, and both are affixed to make it; The other end of joint (2) is made hexagonal bit shank structure, so that be connected with hammer drill.
Among Fig. 4, (1) drill steel body, (3) female coupling, (4) male joint.The garden post that has fit tolerance is made at drill steel body (1) two ends, assembles with the post hole, garden that cooperates of female coupling (3) and male joint (4) respectively, relies on the stationary fit realization affixed drill rod that is combined into therebetween.Utilize the loading and unloading screw thread formation spiral of female coupling (3) and male joint (4) to pay, realize connecting between the whole drill rod and dismounting, when this kind drill rod is first, or when being non-extension bar, then the loading and unloading screw thread of male joint (4) connects with the working thread of rock drill bit.
Among Fig. 5, (1) drill steel body, (3) female coupling, (4) male joint.Cylinder and the affixed screw thread that has tolerance fit all made at drill steel body (1) two ends, cooperate with cooperate the post hole, garden and the affixed screwed hole of female coupling (3) and male joint (4) respectively, rely on therebetween interference power and the self-lock force of affixed screw thread achieve affixed, finish the entire combination assembling of drill rod, utilize the loading and unloading screw thread of female coupling (3) and male joint (4) to realize being connected between connection between whole drill steel and realization and hammer drill and the bore bit again.
If the affixed position of screw thread and stationary fit is exchanged among the figure, its action principle is identical.Fig. 6, Fig. 7 and Fig. 8 all have analogue, point out in the lump here.
Among Fig. 6, (1) drill steel body, (3) female coupling, (4) male joint.Affixed screw thread and cone of friction are all made in drill steel body (1) two ends, realize cooperating with the affixed screwed hole and the friction taper hole of female coupling (3) and male joint (4) respectively, rely on therebetween self-lock force and frictional force to realize affixed, finish the entire combination assembling of drill rod, utilize the loading and unloading screw thread of female coupling (3) and male joint (4) to realize between the whole drill rod, being connected of hammer drill and rock drill bit.
Among Fig. 7, (1) drill steel body, (3) female coupling, (4) male joint.Drill steel body (1) two ends are all made cone of friction and are had the garden post of fit tolerance, assemble with the friction taper hole and the post hole, stationary fit garden of female coupling (3) and male joint (4) respectively, rely on stationary fit and cone of friction to realize therebetween the affixed drill rod that is combined into, utilize the assembling screw thread of female coupling (3) and male joint (4) to realize between the whole drill rod, being connected of hammer drill and rock drill bit.
Among Fig. 8, (1) drill steel body, (3) female coupling, (4) male joint.It is column and cone of friction such as hexagon, quadrangle and triangle that the cross section is all made at drill steel body (1) two ends, square hole and friction taper hole with female coupling (3) and male joint (4) assembles respectively, rely on square cylinder, transmit the hammer drill operation torque, rely on cone of friction to realize the affixed of axial and footpath all directions, utilize female coupling (3) to realize being connected between whole drill rod, hammer drill and rock drill bit with the assembling screw thread of male joint (4).The A-A section is that drill steel body termination is the sectional drawing of the affixed assembling mode that matches with the quadrangle column of cone of friction.
The utlity model has the life-span long, cost is low, the advantage such as easily manufactured, uses this The kind drill rod can improve the operating efficiency of rock drill. Simultaneously, the utility model also is suitable for Bar class and beam-like part in other various bearing loads.
Claims (13)
1, a kind of drill rod that includes the body of rod and joint is characterized in that this drill steel is to be formed by the body of rod and the affixed combine and assemble of joint, and its affixed mode is:
A, adopt fine thread affixed;
B, adopt stationary fit affixed;
C, the affixed screw thread of employing combine with stationary fit;
D, employing cone of friction combine with screw thread;
E, employing stationary fit combine with cone of friction;
F, employing cone of friction are that columns such as hexagon, quadrangle and triangle combine with the cross section.
2, drill rod as claimed in claim 1 is characterized in that when adopting the affixed mode of fine thread to assemble the taper drill steel, the drill steel body relies on fine thread and joint to tighten together.
3, as the described drill rod of claim 1.2, it is characterized in that when adopting the affixed mode of fine thread to assemble screw connection drill rod, drill steel body two ends rely on affixed screw thread of closely-pitched and joint to tighten together, and one on the loading and unloading screw thread of two joints is a pin thread, one is negative thread, and perhaps two are pin thread.
4, drill rod as claimed in claim 1 is characterized in that stationary fit and joint that the drill steel body relies on interference to cause tighten together when adopting the affixed mode of stationary fit to assemble the taper drill steel.
5, as the described drill rod of claim 1.4, it is characterized in that when adopting the affixed mode of stationary fit to assemble screw connection drill rod, each part that the drill steel two ends rely on the stationary fit that causes with the joint matching part will make up drill steel tightens together, the other end of two joints is the loading and unloading screw thread, and its loading and unloading screw thread can be two kinds of forms: the spiral that (1) negative thread and pin thread are formed is paid; (2) two are pin thread.
6, drill rod as claimed in claim 2 is characterized in that drill steel body one end makes cone or make the working thread that cooperates with bore bit, and the other end is made the affixed screw thread of closely-pitched; One end of joint make the affixed negative thread of closely-pitched and the drill steel body affixed, the other end is made hexagonal bit shank structure.
7, drill rod as claimed in claim 3 is characterized in that when this drill rod is first drill steel or non-extension bar then the loading and unloading screw thread of male joint connects with the working thread of rock drill bit.
8, drill rod as claimed in claim 4, it is characterized in that drill steel body one end makes cone or make the working thread that cooperates with bore bit, its other end makes that the garden post that has fit tolerance and joint one end make, and to cooperate post hole, garden to carry out affixed, and the other end of joint is made hexagonal bit shank structure.
9, drill rod as claimed in claim 5, it is characterized in that drill steel body two ends make the garden post that has fit tolerance, assemble with the post hole, garden that cooperates of female coupling and male joint respectively, rely on stationary fit to realize that therebetween affixed, connection between its whole drill rod and dismounting are that the spiral that utilizes the loading and unloading screw thread of female coupling and male joint to constitute is paid and realized.
10, drill rod as claimed in claim 1, it is characterized in that when adopting affixed screw thread and stationary fit combination connecting-rod body and joint, garden post and the affixed screw thread that has tolerance fit all made at drill steel body two ends, cooperates with cooperate the post hole, garden and the affixed screwed hole of female coupling and male joint respectively; Utilize the loading and unloading screw thread of female coupling and male joint to realize being connected between connection between the whole drill steel and realization and hammer drill and the bore bit.
11, drill rod as claimed in claim 1, it is characterized in that when adopting cone of friction to assemble screw connection drill rod with the screw thread mode of combining, affixed screw thread and cone of friction are all made in drill steel body two ends, realize cooperating with the affixed screwed hole and the friction taper hole of female coupling and male joint respectively; Utilize the loading and unloading screw thread of female coupling and male joint to realize between the whole drill rod, being connected of hammer drill and rock drill bit.
12, drill rod as claimed in claim 1, it is characterized in that when adopting stationary fit and cone of friction combination assembling screw connection drill rod drill steel body two ends are all made cone of friction and assembled with the friction taper hole and the post hole, stationary fit garden of female coupling and male joint respectively with the garden post that has fit tolerance; Utilize the loading and unloading screw thread of female coupling and male joint to realize between the whole drill rod, being connected of hammer drill and rock drill bit.
13, drill rod as claimed in claim 1, it is characterized in that when adopting cone of friction and cross section be that column combinations such as hexagon, quadrangle and triangle are when assembling screw connection drill rod, it is column and cone of friction such as hexagon, quadrangle and triangle that the cross section is all made at pricker cylinder two ends, and cylinder hole and the friction taper hole with female coupling and male joint assembles respectively; Utilize the loading and unloading screw thread of female coupling and male joint to realize being connected between whole drill rod, hammer drill and rock drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95230123 CN2222795Y (en) | 1995-01-19 | 1995-01-19 | Combined rock drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95230123 CN2222795Y (en) | 1995-01-19 | 1995-01-19 | Combined rock drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2222795Y true CN2222795Y (en) | 1996-03-20 |
Family
ID=33875044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95230123 Expired - Fee Related CN2222795Y (en) | 1995-01-19 | 1995-01-19 | Combined rock drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2222795Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821462A (en) * | 2014-01-15 | 2014-05-28 | 安徽中钎凿岩钎具有限公司 | Broken rod connector |
| CN105483810A (en) * | 2016-01-26 | 2016-04-13 | 北京交通大学 | Clamp for micro-arc oxidation treatment of hole assembly valve metal structural element |
-
1995
- 1995-01-19 CN CN 95230123 patent/CN2222795Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821462A (en) * | 2014-01-15 | 2014-05-28 | 安徽中钎凿岩钎具有限公司 | Broken rod connector |
| CN105483810A (en) * | 2016-01-26 | 2016-04-13 | 北京交通大学 | Clamp for micro-arc oxidation treatment of hole assembly valve metal structural element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |