CN219864894U - Colliery drill bit NPR connects pivot convenient to change - Google Patents
Colliery drill bit NPR connects pivot convenient to change Download PDFInfo
- Publication number
- CN219864894U CN219864894U CN202321104707.8U CN202321104707U CN219864894U CN 219864894 U CN219864894 U CN 219864894U CN 202321104707 U CN202321104707 U CN 202321104707U CN 219864894 U CN219864894 U CN 219864894U
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- shaft
- drill bit
- hole
- plate
- bevel gear
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- 230000008859 change Effects 0.000 title abstract description 7
- 239000003245 coal Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005553 drilling Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a coal mine drill bit NPR connection rotating shaft convenient to replace, which comprises the following components: the rotary shaft, the connecting component and the drill bit; the rotary shaft is characterized in that the tail end of the rotary shaft is connected with a connecting assembly, the rotary shaft is used as a connecting base, and a drill bit is connected below the connecting assembly. Through rotatory outside handle to through driving bevel gear and driven bevel gear conversion, and then can drive the threaded rod rotation, when the threaded rod clockwise rotation, can promote extension rod downwardly moving, and then increase the overall length of pivot, when the screw anticlockwise rotation, can reduce the overall length of pivot, thereby can adapt to different drilling demands, through inserting the locating pin inside the constant head tank after, T template inserts the rectangular channel simultaneously after rotatory, and its tip reaches circular chamber, after the loosening runs through the axle, T template rotatory reset, can install the drill bit on coupling assembling, when needs change, only need with run through the axle rotatory 90 can.
Description
Technical Field
The utility model relates to the technical field of NPR material pieces, in particular to a coal mine drill bit NPR connecting rotating shaft convenient to replace.
Background
NPR is a novel material, the manufactured material piece can greatly improve the tensile strength and the yield strength, and has wide application prospects in the fields of energy mines, traffic tunnels, earthquake-resistant buildings, bridge engineering and the like, and the connecting rotating shaft manufactured by the NPR material used on the existing coal mine drill bit has certain defects in use, such as;
because the connection pivot is generally connected with the drill bit through welding or threaded connection's mode and installs, uses for a long time when the drill bit, and wearing and tearing are comparatively serious, need change connection pivot and drill bit together when needs change, perhaps unscrew the drill bit, because drill bit connecting force is comparatively firm, when leading to unscrewing, the effort that consumes is great, and in general, the drill bit is extremely inconvenient to separate with the pivot to change, consequently needs to improve.
Disclosure of Invention
The utility model aims to provide a coal mine drill bit NPR connecting rotating shaft convenient to replace, so as to solve the problem that the connecting rotating shaft made of NPR materials in the market is inconvenient to replace a drill bit at the end part.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a coal mine drill NPR connection shaft for ease of replacement, comprising: the rotary shaft, the connecting component and the drill bit;
the rotary shaft is characterized in that the tail end of the rotary shaft is connected with a connecting assembly, the rotary shaft is used as a connecting base, and a drill bit is connected below the connecting assembly.
Preferably, the rotating shaft includes: the novel steel bar comprises a steel bar body, a storage hole, a U-shaped guide bar, a guide hole, an annular plate, an extension bar, a threaded rod, a connecting shaft, a bearing, a driven bevel gear, a drive bevel gear, a handle and a first annular groove, wherein the storage hole is formed in one end of the steel bar body, the U-shaped guide bar is connected to the inner peripheral surface of the storage hole in a penetrating manner, the U-shaped guide bar is arranged in the guide hole in a penetrating manner, the guide hole is formed in the annular plate, and the annular plate is connected in the storage hole in a clamping manner.
Preferably, an extension rod is connected below the annular plate, and the tail end of the extension rod is connected with a connecting component.
Preferably, the extension rod is internally threaded and connected with a threaded rod, the end part of the threaded rod is connected with a connecting shaft, the end part of the connecting shaft is connected in a bearing, and the bearing is connected above the inside of the storage hole.
Preferably, the connecting shaft is embedded with a driven bevel gear, the back of the driven bevel gear is connected with a driving bevel gear in a meshed mode, the back of the driving bevel gear is connected with a handle, the handle is connected to the steel rod in a penetrating mode, the end portion of the handle is connected to the first annular groove, and the first annular groove is formed in the outer peripheral surface of the steel rod.
Preferably, the connection assembly includes: locating pin, spacing flange, spacing concave plate, constant head tank, second ring channel, through-hole, run through axle, torsional spring, place chamber, T template, rectangular channel, circular chamber, end plate, extension rod end-to-end connection has the end plate, the end plate below is connected with the locating pin, locating pin one side is connected with spacing flange, spacing flange block is connected in spacing concave plate, spacing concave plate is connected in the constant head tank, the constant head tank is seted up in the drill bit.
Preferably, the upper surface of the end plate is provided with a second annular groove, the bottom of the second annular groove is provided with a through hole, a through shaft is connected in the through hole, and the end part of the through shaft is connected in the second annular groove;
the torsion spring is connected to the outer peripheral surface of the penetrating shaft, the torsion spring is connected to the inner wall of the placing cavity, and the placing cavity is formed in the inner peripheral surface of the through hole.
Preferably, the tail end of the penetrating shaft is connected with a T-shaped plate, and the T-shaped plate penetrates through the rectangular groove to be connected in the circular cavity in a clamping way;
the rectangular groove is formed in the end portion of the drill bit, and the circular cavity is formed in the bottom of the rectangular groove.
Compared with the prior art, the utility model has the beneficial effects that: through rotatory outside handle to through driving bevel gear and driven bevel gear conversion, and then can drive the threaded rod rotation, when the threaded rod clockwise rotation, can promote extension rod downwardly moving, and then increase the overall length of pivot, when the screw anticlockwise rotation, can reduce the overall length of pivot, thereby can adapt to different drilling demands, through insert the locating pin inside the constant head tank after, T template inserts the rectangular channel simultaneously after rotatory, and its tip reaches circular chamber, after the loosening runs through the axle, T template rotatory reset, can install the drill bit on coupling assembling, when needs change, only need with run through the axle rotatory 90 can, specific content is as follows:
1. firstly, manually rotating two groups of penetrating shafts by 90 degrees, then inserting locating pins into locating grooves, loosening the penetrating shafts after the locating pins are completely inserted into the locating grooves, and then installing a drill bit below a connecting assembly, and when a new drill bit needs to be replaced, rotating the two groups of penetrating shafts by 90 degrees again, so that the drill bit can be taken down, and the drill bit can be replaced conveniently;
2. the handle is rotated clockwise by hand, the extension rod can outwards move, and then the whole length of the rotating shaft is increased, when the handle rotates anticlockwise, the extension rod can move towards the inside of the steel rod, the whole length of the rotating shaft is reduced, and then the whole length of the rotating shaft is convenient to adjust and control, different drilling requirements are met, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a connecting assembly according to the present utility model;
FIG. 3 is a schematic view of a limiting flange structure according to the present utility model;
fig. 4 is an enlarged view of the structure of the portion a of the present utility model.
In the figure: 1. a rotating shaft; 101. a steel rod; 102. a receiving hole; 103. a U-shaped guide rod; 104. a guide hole; 105. an annular plate; 106. an extension rod; 107. a threaded rod; 108. a connecting shaft; 109. a bearing; 110. a driven bevel gear; 111. a drive bevel gear; 112. a handle; 113. a first annular groove; 2. a connection assembly; 201. a positioning pin; 202. a limiting convex plate; 203. a limit concave plate; 204. a positioning groove; 205. a second annular groove; 206. a through hole; 207. a through shaft; 208. a torsion spring; 209. a placement cavity; 210. t-shaped plates; 211. rectangular grooves; 212. a circular cavity; 213. an end plate; 3. a drill bit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a coal mine drill NPR connection shaft for ease of replacement, comprising: the rotary shaft 1, the connecting component 2 and the drill bit 3;
the end of the rotating shaft 1 is connected with a connecting component 2, the rotating shaft 1 is used as a connecting base, and a drill bit 3 is connected below the connecting component 2.
The rotary shaft 1 includes: the steel rod 101, accomodate hole 102, U type guide bar 103, guiding hole 104, annular plate 105, extension rod 106, threaded rod 107, connecting axle 108, bearing 109, driven bevel gear 110, initiative bevel gear 111, handle 112, first ring channel 113, accomodate hole 102 has been seted up to steel rod 101 one end, is connected with U type guide bar 103 on accomodating hole 102 inner peripheral face, U type guide bar 103 through connection is in guiding hole 104, and guiding hole 104 is seted up in annular plate 105, and annular plate 105 block connection is in accomodating hole 102. The extension rod 106 is connected to the lower portion of the annular plate 105, and the end of the extension rod 106 is connected with the connecting component 2, so that when the extension rod 106 moves outwards, the connecting component 2 can be pushed to move, and then the drill bit 3 is pushed to move. The extension rod 106 is internally threaded with the threaded rod 107, and threaded rod 107 end connection has connecting axle 108, and connecting axle 108 end connection is in bearing 109, and bearing 109 connects in the inside top of accomodating hole 102, through the effect of connecting axle 108 and bearing 109, can make threaded rod 107 more stable when rotatory. The connecting shaft 108 is embedded and connected with the driven bevel gear 110, the back of the driven bevel gear 110 is connected with the driving bevel gear 111 in a meshed manner, the back of the driving bevel gear 111 is connected with the handle 112, the handle 112 is connected to the steel rod 101 in a penetrating manner, the end part of the handle 112 is connected to the first annular groove 113, the first annular groove 113 is formed in the outer peripheral surface of the steel rod 101, the end part of the handle 112 is hidden, the handle 112 is prevented from being collided outside, bending deformation is caused, the handle 112 outside is rotated, the driving bevel gear 111 and the driven bevel gear 110 are converted, the threaded rod 107 can be driven to rotate, when the threaded rod 107 rotates, the extension rod 106 can be pushed to move downwards, and the whole length of the rotating shaft 1 is changed, so that different drilling requirements can be met.
The connection assembly 2 includes: locating pin 201, spacing flange 202, spacing concave 203, constant head tank 204, second ring channel 205, through-hole 206, run through axle 207, torsional spring 208, place chamber 209, T template 210, rectangular channel 211, circular chamber 212, end plate 213, extension rod 106 end-to-end connection has end plate 213, end plate 213 below is connected with locating pin 201, locating pin 201 one side is connected with spacing flange 202, spacing flange 202 block is connected in spacing concave 203, spacing concave 203 connects in constant head tank 204, the constant head tank 204 is seted up in drill bit 3, through spacing flange 202 and spacing concave 203 block, can make coupling assembling 2 can not take place the phenomenon of idle running, make simultaneously between coupling assembling 2 and the drill bit 3 more firmly. The upper surface of end plate 213 has seted up second ring channel 205, and through-hole 206 has been seted up to second ring channel 205 bottom, and through-hole 206 interconnect has run-through axle 207, and run-through axle 207 end connection is in second ring channel 205, and torsion spring 208 connects on run-through axle 207 outer peripheral face, and torsion spring 208 connects on placing the chamber 209 inner wall, places chamber 209 and opens on through-hole 206 inner peripheral face. The end of the penetrating shaft 207 is connected with a T-shaped plate 210, the T-shaped plate 210 penetrates through the rectangular groove 211 to be connected in the circular cavity 212 in a clamping mode, the rectangular groove 211 is formed in the end portion of the drill bit 3, the circular cavity 212 is formed in the bottom of the rectangular groove 211, the T-shaped plate 210 can be rotated and reset in the circular cavity 212 after penetrating through the rectangular groove 211, the T-shaped plate 210 is simultaneously inserted into the rectangular groove 211 after being rotated after the locating pin 201 is inserted into the locating groove 204, the end portion of the T-shaped plate 210 reaches the circular cavity 212, after the penetrating shaft 207 is loosened, the T-shaped plate 210 is rotated and reset, the drill bit 3 can be installed on the connecting assembly 2, and when replacement is needed, the penetrating shaft 207 only needs to be rotated by 90 degrees.
To sum up: as shown in fig. 1-4, when the easy-to-replace coal mine drill NPR is used to connect the rotating shaft, it is understood that first, two sets of through shafts 207 are manually rotated by 90 °, the through shafts 207 drive the T-shaped plates 210 to rotate and simultaneously screw the torsion springs 208, then the positioning pins 201 are inserted into the positioning slots 204, and the limiting convex plates 202 are clamped into the limiting concave plates 203 from top to bottom during insertion, after the positioning pins 201 are completely inserted into the positioning slots 204, the two sets of T-shaped plates 210 penetrate through two sets of rectangular slots 211, the ends of the two sets of T-shaped plates 210 respectively reach into two sets of circular cavities 212, the through shafts 207 are loosened, the through shafts 207 drive the T-shaped plates 210 to rotate again under the action of the torsion springs 208, so that the T-shaped plates 210 cannot withdraw from the rectangular slots 211, and then the drill bit 3 is installed under the connecting assembly 2, the drill bit 3 can be taken down by rotating the two groups of penetrating shafts 207 by 90 degrees again, so that the drill bit 3 can be replaced conveniently, and then, when in use, the handle 112 is rotated clockwise manually, the handle 112 drives the drive bevel gear 111 to rotate, the drive bevel gear 111 drives the threaded rod 107 to rotate through the driven bevel gear 110, and the threaded rod 107 is connected with the extension rod 106 in a threaded manner, and the extension rod 106 is connected with the U-shaped guide rod 103 in a sliding manner through the guide hole 104 formed in the annular plate 105 at the end part, so that when the handle 112 is rotated clockwise, the extension rod 106 can move outwards, the whole length of the rotating shaft 1 is increased, when the handle 112 is rotated anticlockwise, the extension rod 106 can move towards the inside of the steel rod 101, the whole length of the rotating shaft 1 is reduced, the whole length of the rotating shaft 1 is regulated and controlled conveniently, different drilling requirements are met, the use is convenient, what is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A coal mine drill NPR connection shaft for ease of replacement, comprising: the device is characterized by comprising a rotating shaft (1), a connecting assembly (2) and a drill bit (3);
the tail end of the rotating shaft (1) is connected with a connecting component (2), and a drill bit (3) is connected below the connecting component (2);
the rotating shaft (1) includes: the novel steel bar comprises a steel bar body (101), a containing hole (102), a U-shaped guide bar (103), a guide hole (104), an annular plate (105), an extension bar (106), a threaded rod (107), a connecting shaft (108), a bearing (109), a driven bevel gear (110), a driving bevel gear (111), a handle (112) and a first annular groove (113), wherein the containing hole (102) is formed in one end of the steel bar body (101), the U-shaped guide bar (103) is connected to the inner peripheral surface of the containing hole (102), the U-shaped guide bar (103) is connected in the guide hole (104) in a penetrating manner, the guide hole (104) is formed in the annular plate (105), and the annular plate (105) is connected in the containing hole (102) in a clamping manner.
The connection assembly (2) comprises: locating pin (201), spacing flange (202), spacing concave plate (203), constant head tank (204), second ring channel (205), through-hole (206), run through axle (207), torsional spring (208), place chamber (209), T template (210), rectangular channel (211), circular chamber (212), end plate (213), extension rod (106) end-to-end connection has end plate (213), end plate (213) below is connected with locating pin (201), locating pin (201) one side is connected with spacing flange (202), spacing flange (202) block is connected in spacing concave plate (203), spacing concave plate (203) are connected in constant head tank (204), in drill bit (3) are seted up in constant head tank (204).
2. The coal mine drill NPR connection shaft facilitating replacement as claimed in claim 1, wherein: an extension rod (106) is connected below the annular plate (105), and the tail end of the extension rod (106) is connected with a connecting component (2).
3. The coal mine drill NPR connection shaft convenient to replace according to claim 2, wherein: the extension rod (106) is internally connected with a threaded rod (107) in a threaded manner, the end part of the threaded rod (107) is connected with a connecting shaft (108), the end part of the connecting shaft (108) is connected in a bearing (109), and the bearing (109) is connected above the inside of the storage hole (102).
4. A coal mine drill NPR connection shaft for easy replacement as in claim 3, wherein: the connecting shaft (108) is embedded to be connected with a driven bevel gear (110), the back of the driven bevel gear (110) is connected with a drive bevel gear (111) in a meshed mode, the back of the drive bevel gear (111) is connected with a handle (112), the handle (112) is connected to the steel rod (101) in a penetrating mode, the end portion of the handle (112) is connected to the inside of a first annular groove (113), and the first annular groove (113) is formed in the outer peripheral surface of the steel rod (101).
5. The coal mine drill NPR connection shaft facilitating replacement as claimed in claim 1, wherein: the upper surface of the end plate (213) is provided with a second annular groove (205), the bottom of the second annular groove (205) is provided with a through hole (206), a through shaft (207) is connected in the through hole (206), and the end part of the through shaft (207) is connected in the second annular groove (205);
the torsion spring (208) is connected to the outer peripheral surface of the through shaft (207), the torsion spring (208) is connected to the inner wall of the placing cavity (209), and the placing cavity (209) is arranged on the inner peripheral surface of the through hole (206).
6. The easy-to-replace coal mine drill NPR connection shaft of claim 5, wherein: the tail end of the penetrating shaft (207) is connected with a T-shaped plate (210), and the T-shaped plate (210) penetrates through the rectangular groove (211) and is connected in the circular cavity (212) in a clamping mode;
rectangular grooves (211) are formed in the end portions of the drill bit (3), and the round cavities (212) are formed in the bottoms of the rectangular grooves (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321104707.8U CN219864894U (en) | 2023-05-09 | 2023-05-09 | Colliery drill bit NPR connects pivot convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321104707.8U CN219864894U (en) | 2023-05-09 | 2023-05-09 | Colliery drill bit NPR connects pivot convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864894U true CN219864894U (en) | 2023-10-20 |
Family
ID=88325532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321104707.8U Active CN219864894U (en) | 2023-05-09 | 2023-05-09 | Colliery drill bit NPR connects pivot convenient to change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864894U (en) |
-
2023
- 2023-05-09 CN CN202321104707.8U patent/CN219864894U/en active Active
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| GR01 | Patent grant |