CN213478220U - Rock reaming tool - Google Patents
Rock reaming tool Download PDFInfo
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- CN213478220U CN213478220U CN202022232943.0U CN202022232943U CN213478220U CN 213478220 U CN213478220 U CN 213478220U CN 202022232943 U CN202022232943 U CN 202022232943U CN 213478220 U CN213478220 U CN 213478220U
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- central shaft
- rock
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- guide rib
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Abstract
The utility model provides a rock reaming instrument belongs to geological drilling technical field, including the center pin, preceding direction gusset, back direction support, the gear wheel, ball post alloy tooth, injection water injection well choke and guiding gutter, the inside of center pin is equipped with the cylindricality through-hole, the gear wheel is located on the outer circumference of center pin between preceding direction gusset and the back direction support, preceding direction gusset place plane and back direction support place plane locate the coplanar altogether, the preceding terminal surface of preceding direction gusset and the back end face of back direction support are 45 with the center pin axial between the contained angle, ball post alloy tooth equipartition is located on preceding direction gusset outer wall and the outer wall of back direction support, be used for contacting cutting rock jointly with the gear wheel, the height that preceding direction gusset and back direction supported in ball post alloy tooth protrusion is 1.5-2 mm. The utility model provides a pair of rock reaming instrument has and is difficult to be worn and torn rock drilling or reaming, is difficult for wearing and tearing in the drilling, also need not often change, and use cost is low, longe-lived technological effect.
Description
Technical Field
The utility model belongs to the technical field of the geological drilling, more specifically say, relate to a rock reaming instrument.
Background
At present, in the reaming construction process in the fields of rock crossing engineering and mines, water wells and oil wells, the rock is frequently encountered, and each construction unit or drilling tool manufacturer adopts the reaming mode to have: firstly, the replaceable hob type rock reamer is adopted, the hob needs to be frequently replaced, and the replaceable hob type rock reamer solves the problems of wheel drop and abrasion of a cone palm back; secondly, through adopting cone palm welded structure, adopt the problem of this structure to lie in: 1. bearing seals are easily damaged when the roller cone cuts rock; 2. the replacement efficiency is low, the scrapped cone needs to be cut off, and then a new cone is welded, so that the replacement time is long; 3. the back of the cone is worn, and when the back is worn to a certain degree, the seal is worn through, so that the cone fails.
The above two kinds of reamers are used in the process of reaming large pipelines through rocks, and have the following problems: when the roller is used for cutting, the abrasion to the back of the roller is serious, and the service life of the roller is influenced; when the hob type rock reamer is used for cutting rocks, a hob needs to be replaced frequently, and the reaming construction cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rock reaming instrument aims at solving when using the roller cone enlarger easy being worn and torn, and is short-lived, changes the technical problem that the hobbing cutter is with high costs when using the hobbing cutter enlarger.
In order to achieve the above object, the utility model adopts the following technical scheme: the rock reaming tool comprises a central shaft, a front guide rib plate, a rear guide support, a gear wheel, a ball column alloy tooth, a spray water nozzle and a diversion trench, wherein a cylindrical through hole penetrating through two ends of the central shaft is formed in the central shaft, and connecting parts for connecting drill rods are respectively arranged in two ends of the cylindrical through hole; the front guide rib plates are uniformly distributed on the outer circumference of the central shaft, the plane where the front guide rib plates are located is on the radial plane of the central shaft, the front guide rib plates surround the central shaft to form a circle, and an included angle between the front end face of each front guide rib plate and the axial direction of the central shaft is 45 degrees; the rear guide supports are in a plate shape, the number of the rear guide supports is the same as that of the front guide rib plates, the rear guide supports are uniformly distributed on the outer circumference of the central shaft, gaps are reserved between the rear guide supports and the front guide rib plates, the plane where the rear guide supports are located and the plane where the front guide rib plates are located in the same plane, the rear guide supports surround the central shaft to form a circle, and the included angle between the rear end face of each rear guide support and the axial direction of the central shaft is 45 degrees; the plurality of cones are uniformly distributed on the outer circumference of the central shaft and are positioned in a gap between the front guide rib plate and the rear guide support, the plurality of cones surround the central shaft to form a circle, and the cones are used for cutting rocks; a plurality of ball column alloy teeth are uniformly distributed on the outer wall of the front guide rib plate and the outer wall of the rear guide support and used for contacting or cutting rocks, and the height of the ball column alloy teeth protruding out of the front guide rib plate and the rear guide support is 1.5-2 mm; the water injection nozzle is arranged on the cone and used for injecting water to the rock; the diversion trench is arranged between two adjacent cones and used for discharging stone chips, slurry and water.
As another embodiment of the application, the rock reaming tool further comprises a plurality of reinforcing rib plates which are arranged on the inner side wall of the front guide rib plate and used for reinforcing the strength of the front guide rib plate.
As another embodiment of this application, still be equipped with on the center pin and be used for holding tightly the piece of holding tightly of cone, hold tightly can prevent behind the cone is followed the center pin drops, keep away from on the cone one side of center pin with distance between the center pin is greater than keep away from on the preceding direction gusset one side of center pin with distance between the center pin.
As another embodiment of the application, the cutting teeth on the roller cone are distributed with teeth at different intervals, and the sealing material in the roller cone is made of high-wear-resistant rubber.
As another embodiment of the present application, the number of the roller cones is the same as that of the front guide rib plates, and the number of the roller cones is six.
As another embodiment of the present application, a distance between a side of the rear guide support far away from the central axis and the central axis is greater than a distance between a side of the front guide rib plate far away from the central axis and the central axis, and a distance between a side of the rear guide support far away from the central axis and the central axis is less than a distance between a side of the cone far away from the central axis and the central axis.
As another embodiment of this application, preceding direction gusset with back direction support is platelike structure and all adopts wear-resisting alloy material to make, preceding direction gusset with back direction support all with for surfacing welding welded fastening between the center pin.
As another embodiment of the application, the injection water nozzle is an alloy water nozzle with an inner hole.
As another embodiment of the present application, the button alloy teeth are made of YG11-YG13 type alloy material.
As another embodiment of the present application, the cone model number is 537, 617 or 637.
The utility model provides a pair of rock reaming instrument's beneficial effect lies in: compared with the prior art, the utility model relates to a rock reaming instrument, it creeps into towards in the rock to drive the center pin when the drilling rod, preceding direction gusset and back direction support can be in gear wheel drilling in-process direction gear wheel to the drilling, through the contact of ball post alloy tooth and rock and play the effect of supplementary cutting, ball post alloy tooth and gear wheel cut the rock jointly, be difficult for wearing and tearing, the center pin axial is 45 with the preceding terminal surface of preceding direction gusset and the back end face of back direction support between the terminal surface respectively, be convenient for cut the rock in the drilling, easily be worn and torn when having solved and using gear wheel reamer, short service life, change the technical problem that hobbing cutter is with high costs when using hobbing cutter reamer, it is difficult by wearing and tearing to have rock drilling or reaming, difficult wearing and tearing in the drilling, also with frequent change, use cost is low, long-life's technological.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rock reaming tool according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a sectional view taken at B-B in fig. 1.
In the figure: 1. a central shaft; 2. a front guide rib plate; 3. a rear guide support; 4. a cone; 5. a ball stud alloy tooth; 6. a spray water nozzle; 7. a diversion trench; 8. a connecting portion; 9. reinforcing rib plates; 10. a clasping piece; 11. a reinforcing band; 12 fixedly support the arc-shaped plate.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3 together, a rock reaming tool according to the present invention will now be described. The rock reaming tool comprises a central shaft 1, a front guide rib plate 2, a rear guide support 3, a cone 4, ball column alloy teeth 5, a spray water nozzle 6 and a diversion trench 7, wherein a cylindrical through hole penetrating through two ends of the central shaft 1 is formed in the central shaft 1, and connecting parts 8 for connecting drill rods are respectively arranged in two ends of the cylindrical through hole; the front guide rib plates 2 are uniformly distributed on the outer circumference of the central shaft 1, the planes of the front guide rib plates 2 are on the radial plane of the central shaft 1, the front guide rib plates 2 surround the central shaft 1 to form a circle, and the included angle between the front end surfaces of the front guide rib plates 2 and the axial direction of the central shaft 1 is 45 degrees; the rear guide supports 3 are plate-shaped, the number of the rear guide supports is the same as that of the front guide rib plates 2, the rear guide supports 3 are uniformly distributed on the outer circumference of the central shaft 1, gaps are reserved between the rear guide supports and the front guide rib plates 2, the plane where the rear guide supports 3 are located and the plane where the front guide rib plates 2 are located in the same plane, the rear guide supports 3 surround the central shaft 1 to form a circle, and the included angle between the rear end face of each rear guide support 3 and the axial direction of the central shaft 1 is 45 degrees; a plurality of cones 4 are uniformly distributed on the outer circumference of the central shaft 1 and are positioned in a gap between the front guide rib plate 2 and the rear guide support 3, the plurality of cones 4 surround the central shaft 1 to form a circle, and the cones 4 are used for cutting rocks; a plurality of ball column alloy teeth 5 are uniformly distributed on the outer wall of the front guide rib plate 2 and the outer wall of the rear guide support 3 and are used for contacting or cutting rocks, and the height of the ball column alloy teeth 5 protruding out of the front guide rib plate 2 and the rear guide support 3 is 1.5-2 mm; the spraying water nozzle 6 is arranged on the gear 4 and is used for spraying water to the rock; the diversion trench 7 is arranged between two adjacent cones 4 and used for discharging stone chips, slurry and water.
Compared with the prior art, the utility model provides a rock reaming tool, when the drilling rod drives center pin 1 to creep into towards the rock, front guide rib plate 2 and back guide support 3 can guide gear wheel 4 to the drilling hole in the process of gear wheel 4 drilling, through the contact of ball post alloy tooth 5 and rock and play the role of auxiliary cutting, ball post alloy tooth 5 and gear wheel 4 cut the rock together, and are not easy to wear, the included angle between the axial direction of center pin 1 and the front end face of front guide rib plate 2 and the back end face of back guide support 3 is 45 respectively, so as to be convenient for cutting rock in drilling, solve the technical problems that the use of gear wheel 4 reamer is easy to wear, the service life is short, the cost of replacing the hob when using the hob reamer is high, the rock drilling or reaming is not easy to wear, and wear in drilling, and frequent replacement are not needed, low use cost and long service life.
The connecting part 8 for connecting the drill rod is an internal thread and an external thread which are arranged inside two ends of the central shaft 1, can be in threaded connection with the drill rod, can be designed characteristically according to user requirements, and can be in a reducing joint conversion buckle type.
The front end surface of the front guide rib plate 2 refers to: on the front guide rib plate 2, the side surface close to the drilling end of the rock;
the rear end face of the rear guide support 3 means: on back direction support 3, keep away from the side to the drilling end of rock, it is true that preceding direction gusset 2 and back direction support 3 lie in center pin 1 respectively on two opposite ends, after rock drill hole was arranged in to center pin 1, through preceding terminal surface and the contained angle of rear end face and the 1 axial setting of center pin, can make preceding direction gusset 2 and back direction support 3 very quick entering into in the drilling or roll-off drilling. The shape of preceding direction gusset 2 is and is similar to right trapezoid, and it is longer to set up length along center pin 1, and back direction support 3 also is right trapezoid along the shape of center pin 1, and it is shorter to set up length along center pin 1, is equipped with reinforcing band 11 on back direction support 3 moreover, and reinforcing band 11 arranges on back direction support 3 along the radial of center pin 1. And a fixed support arc plate 12 is respectively arranged between two adjacent front guide rib plates 2 and two adjacent rear guide supports 3, so that the front guide rib plates 2 and the rear guide supports 3 can be prevented from being distorted in the drilling process.
By designing the height of the spherical column alloy teeth 5 protruding out of the front guide rib plate 2 and the rear guide support 3, the functions of assisting cutting and preventing abrasion can be ensured in the reaming process. The sphero-cylindrical alloy teeth 5 are arranged on the outer diameter surface and are embedded with ball head hard alloy wear-resistant teeth, namely the sphero-cylindrical alloy teeth 5.
As a specific implementation of a pair of rock reaming instrument please refer to fig. 1 to 3, and rock reaming instrument still includes deep floor 9, and deep floor 9 is the polylith, all locates on a plurality of preceding guide rib 2 inside walls for 2 intensity of deep floor before the enhancement, prevent that preceding guide rib 2 from droing. The reinforcing rib plates 9 are plate-shaped and fixedly connected to the front guide rib plate 2, and 2-3 reinforcing rib plates 9 are arranged on one front guide rib plate 2.
As a specific implementation manner of the rock reaming tool provided by the utility model, please refer to fig. 1 to 3, still be equipped with on the center pin 1 and be used for embracing tightly the piece 10 of hugging closely of cone 4, hug closely 10 and can prevent behind the cone 4 that cone 4 from droing from center pin 1, a distance is greater than between a side of keeping away from center pin 1 on the preceding direction gusset 2 and the center pin 1 on cone 4 and the distance between center pin 1. During the drilling and reaming of the cone 4, the clasps 10 do not contact the rock and therefore do not damage the clasps 10.
Specifically, the clasping member 10 is a hoop or a locking member, and can clasp or clamp the bit leg of the cone 4, and the clasping manner thereof belongs to the prior art, so that the clasping member 10 fixes the bit leg, so as to prevent the cone 4 from falling off or shifting in the cutting process, and under a general condition, the cone 4 is fixed on the central shaft 1 and cannot fall off.
As a specific embodiment of the rock reaming tool provided by the present invention, please refer to fig. 1 to 3, the cutting teeth on the roller cone 4 are distributed with non-equidistant teeth, and the sealing material in the roller cone 4 is made of high wear-resistant rubber. Have a plurality of cutting teeth on gear wheel 4, through setting up the cutting teeth of equidistance, can make 4 rotation cutting processes at gear wheel can produce the cutting force different to the rock, be convenient for more fast, cut the rock smoothly, provide reaming drilling efficiency. The high wear-resistant rubber can effectively ensure the internal sealing of the cone 4 and prolong the service life of the cone 4.
As a specific embodiment of the rock reaming tool provided by the present invention, please refer to fig. 1 to 3, the number of the gear wheels 4 is the same as the number of the front guide rib plates 2, and the number of the gear wheels 4 is six.
As a specific implementation manner of the utility model provides a pair of rock reaming tool, please refer to fig. 1 to 3, the distance between one side of keeping away from center pin 1 on the back direction support 3 and center pin 1 is greater than the distance between one side of keeping away from center pin 1 on the preceding direction gusset 2 and center pin 1, the distance between one side of keeping away from center pin 1 on the back direction support 3 and center pin 1 is less than distance between one side of keeping away from center pin 1 on the cone 4 and center pin 1. The cone 4 is a main cutting assembly, and the front guide rib plate 2 and the rear guide support 3 only play a role in guiding drilling and auxiliary cutting of rocks.
As a specific implementation of the utility model provides a pair of rock reaming instrument, please refer to fig. 1 to 3, preceding direction gusset 2 and back direction support 3 are platelike structure and all adopt the wear-resisting alloy material to make, preceding direction gusset 2 and back direction support 3 all with the center pin 1 between for surfacing welding welded fastening.
As a specific implementation of the utility model provides a pair of rock reaming instrument please refer to fig. 1 to 3, and the alloy water injection well choke of injection water nozzle 6 for having the hole is specific, is equipped with the hole in the inside of injection water nozzle 6, and water passes from downthehole to in injecting rock or reaming, be convenient for lubricate and prevent dust, the intensity of alloy water injection well choke is higher in addition, does benefit to improvement life.
As a specific embodiment of the rock reaming tool of the present invention, please refer to fig. 1 to 3, the ball-column alloy teeth 5 are made of alloy material of type YG11-YG13, and the type YG11-YG13 refers to alloy material of type YG11, type YG12, and type YG13, and can be made of one of the types.
As a specific embodiment of the rock reaming tool provided by the present invention, please refer to fig. 1 to 3, the model of the cone 4 is 537 type or 617 type or 637 type, and the cone 4 can be made of one of the models and can play a cutting role for the cone 4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A rock reaming tool, comprising:
the drilling machine comprises a central shaft, a drilling rod and a drilling rod, wherein a cylindrical through hole penetrating through two ends of;
the front guide rib plates are uniformly distributed on the outer circumference of the central shaft, the planes of the front guide rib plates are on the radial plane of the central shaft, the front guide rib plates surround the central shaft to form a circle, and an included angle between the front end surfaces of the front guide rib plates and the axial direction of the central shaft is 45 degrees;
the rear guide supports are in a plate shape, the number of the rear guide supports is the same as that of the front guide rib plates, the rear guide supports are uniformly distributed on the outer circumference of the central shaft, gaps are reserved between the rear guide supports and the front guide rib plates, the plane where the rear guide supports are located and the plane where the front guide rib plates are located in the same plane, the rear guide supports surround the central shaft to form a circle, and the included angle between the rear end face of each rear guide support and the axial direction of the central shaft is 45 degrees;
a plurality of cones which are uniformly distributed on the outer circumference of the central shaft and are positioned in a gap between the front guide rib plate and the rear guide support, wherein the plurality of cones surround the central shaft to form a circle, and the cones are used for cutting rocks;
a plurality of ball column alloy teeth are uniformly distributed on the outer wall of the front guide rib plate and the outer wall of the rear guide support and used for contacting or cutting rocks, and the height of the ball column alloy teeth protruding out of the front guide rib plate and the rear guide support is 1.5-2 mm;
the spraying water nozzle is arranged on the gear wheel and used for spraying water to the rock; and
and the diversion trench is arranged between two adjacent cones and used for discharging stone chips, slurry and water.
2. A rock reaming tool as claimed in claim 1 further comprising:
and the reinforcing rib plates are multiple and are arranged on the inner side walls of the front guide rib plates and used for reinforcing the strength of the front guide rib plates.
3. The rock reaming tool according to claim 1, wherein the central shaft is further provided with a clasping member for clasping the cone, the clasping member can prevent the cone from falling off from the central shaft after clasping the cone, and the distance between one side of the cone, which is far away from the central shaft, and the central shaft is greater than the distance between one side of the front guide rib plate, which is far away from the central shaft, and the central shaft.
4. The rock reaming tool of claim 1, wherein the cutting teeth on the cone are arranged at unequal intervals, and the sealing material in the cone is made of high-wear-resistant rubber.
5. The rock reaming tool of claim 1, wherein the number of cones is the same as the number of leading webs, the number of cones being six.
6. A rock reaming tool according to claim 1 wherein the distance between a side of the rear guide support remote from the central axis and the central axis is greater than the distance between a side of the front guide web remote from the central axis and the central axis, and the distance between a side of the rear guide support remote from the central axis and the central axis is less than the distance between a side of the cone remote from the central axis and the central axis.
7. The rock reaming tool according to claim 1, wherein the front guide rib plate and the rear guide support are both of a plate-shaped structure and are made of wear-resistant alloy materials, and the front guide rib plate and the rear guide support are welded and fixed with the central shaft in a surfacing mode.
8. A rock reaming tool as claimed in claim 1 wherein the spray nozzle is an alloy nozzle having an internal bore.
9. A rock reaming tool as claimed in claim 1 wherein the button is made of a YG11-YG13 type material alloy.
10. A rock reaming tool as claimed in claim 1 wherein the cone model is 537 or 617 or 637.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232943.0U CN213478220U (en) | 2020-10-09 | 2020-10-09 | Rock reaming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232943.0U CN213478220U (en) | 2020-10-09 | 2020-10-09 | Rock reaming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213478220U true CN213478220U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022232943.0U Active CN213478220U (en) | 2020-10-09 | 2020-10-09 | Rock reaming tool |
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| CN (1) | CN213478220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882807A (en) * | 2021-09-30 | 2022-01-04 | 徐州徐工基础工程机械有限公司 | Buoyancy reamer for horizontal directional drill |
-
2020
- 2020-10-09 CN CN202022232943.0U patent/CN213478220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882807A (en) * | 2021-09-30 | 2022-01-04 | 徐州徐工基础工程机械有限公司 | Buoyancy reamer for horizontal directional drill |
| CN113882807B (en) * | 2021-09-30 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | Buoyancy reamer for horizontal directional drilling |
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