CN204552628U - Coal mine drilling machine drill bit water cooling treating apparatus - Google Patents
Coal mine drilling machine drill bit water cooling treating apparatus Download PDFInfo
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- CN204552628U CN204552628U CN201520223969.5U CN201520223969U CN204552628U CN 204552628 U CN204552628 U CN 204552628U CN 201520223969 U CN201520223969 U CN 201520223969U CN 204552628 U CN204552628 U CN 204552628U
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Abstract
The utility model relates to a kind of coal mine drilling machine drill bit water cooling treating apparatus, this device is by drill bit, drilling rod, drilling rod water channel, first hole back-up ring, first sealing ring, drilling rod connecting headstock, water inlet inclined hole, second sealing ring, ring-shaped groove, inlet opening, water supply connector, 3rd sealing ring, water inlet circle cover, second hole back-up ring, bearing and cavity composition, when rig operation, water enters the inlet opening put into water circle through water supply connector, the water inlet inclined hole on drilling rod connecting headstock is pressed into again by the ring-shaped groove of water inlet circle cover inner side, by water inlet inclined hole, hydraulic pressure is entered the middle cavity of drilling rod again, drilling rod water channel finally by drilling rod center arrives drill bit position, drill bit is effectively cooled, protection drill bit, improve drilling life of bit.And by water outlet, chip is taken out of, increase chip removal ability.The further purposes expanding rig, can not only drill coal seam, and may be used for drilling of lithosphere.Improve the operating efficiency of rig significantly simultaneously.
Description
Technical field
The utility model relates to a kind of coal mine drilling machine drill bit water cooling treating apparatus, belongs to mine equipment, particularly relates to a kind of cooling technology of mining-drilling machine.
Background technology
In the operation of colliery, usually use colliery hydraulic tunnel drilling machine to creep into engineering hole that coal mine gas takes out (row) discharge hole, fluid injection fire-fighting hole, coal-bed flooding hole, protrusion-dispelling pressure relief vent, geological prospecting hole and other major diameter, long distance.Usually harder lithosphere can be run in construction.And traditional coal roadway drilling machine drill bit does not possess cooling system because of it, make very easily to damage because temperature of diamond bit is too high in drilling process, thus cannot drill the higher lithosphere of hardness.Because drill bit can not get cooling, cause the application life of drill bit general shorter.When low-angle drills coal seam, the effect that non-water flow washes away, chip removal is also more difficult.And drilling efficiency is lower, the hole straightness accuracy drilled out and fineness are also poor.
Due to rig operationally, the rotation status that drill bit and drilling rod are all in, the drill bit that traditional drill configuration is difficult to cooling water to be transported to rotation gets on, and effectively cools drill bit.At present, this be yet there are no to comparatively effective technical solution.
Summary of the invention
The purpose of this utility model is, a kind of coal mine drilling machine drill bit water cooling treating apparatus is provided, this device is by drill bit, drilling rod, drilling rod water channel, first hole back-up ring, first sealing ring, drilling rod connecting headstock, water inlet inclined hole, second sealing ring, ring-shaped groove, inlet opening, water supply connector, 3rd sealing ring, water inlet circle cover, second hole back-up ring, bearing and cavity composition, when rig operation, drill spindle drives drilling rod connecting headstock, drilling rod and drill bit do and rotate and the motion of shifted forward, because circle of intaking overlaps the effect of bearing between drilling rod connecting headstock, water inlet circle cover does not rotate, but synchronously do constant speed translational motion with drilling rod connecting headstock.When adding water; water enters the inlet opening put into water circle through water supply connector; the water inlet inclined hole on drilling rod connecting headstock is pressed into again by the ring-shaped groove of water inlet circle cover inner side; by water inlet inclined hole, hydraulic pressure is entered the middle cavity of drilling rod again; drilling rod water channel finally by drilling rod center arrives drill bit position; effectively cool drill bit, protection drill bit, improves drilling life of bit.And by water outlet, chip is taken out of, increase chip removal ability.The further purposes expanding rig, can not only drill coal seam, and may be used for drilling of lithosphere.Improve the operating efficiency of rig significantly simultaneously.
A kind of coal mine drilling machine drill bit water cooling treating apparatus described in the utility model, this device is by drill bit, drilling rod, drilling rod water channel, first hole back-up ring, first sealing ring, drilling rod connecting headstock, water inlet inclined hole, second sealing ring, ring-shaped groove, inlet opening, water supply connector, 3rd sealing ring, water inlet circle cover, second hole back-up ring, bearing and cavity composition, drilling rod water channel (3) is provided with in drilling rod (2), drilling rod water channel (3) one end is communicated with cavity (16), the other end of drilling rod water channel (3) is communicated with drill bit (1), drilling rod connecting headstock (6) is had in the outer race of drilling rod (2), adopt bearing (15) to connect water inlet circle cover (13) in the lower end of drilling rod connecting headstock (6), water inlet circle cover (13) has inlet opening (10), ring-shaped groove (9) is had in the inner side of water inlet circle cover (13), one end of inlet opening (10) is communicated with ring-shaped groove (9), drilling rod connecting headstock (6) has into water inclined hole (7), the Single port of water inlet inclined hole (7) is communicated with ring-shaped groove (9), and another port is communicated with the cavity (16) be arranged in drilling rod (2), ring-shaped groove (9) between water inlet circle cover (13) and drilling rod connecting headstock (6) is respectively equipped with the second sealing ring (8) and the 3rd sealing ring (12) in both sides up and down.
Bearing (15) utilizes the second hole back-up ring (14) to carry out axial restraint.
Be provided with the first sealing ring (5) between drilling rod connecting headstock (6) and drilling rod (2), the first sealing ring (5) utilizes the first hole back-up ring (4) to carry out axial restraint.
Water supply connector (11) for connecting filler pipe is installed in the outer end of inlet opening (10).
Accompanying drawing illustrates:
Fig. 1 of the present utility modelly partly cuts open structural representation;
Fig. 2 is water inlet portion top plan view of the present utility model;
Fig. 3 is three-dimensional cutaway view of the present utility model.
Legend:
1, drill bit, 2, drilling rod, 3, drilling rod water channel, 4, the first hole back-up ring, the 5, first sealing ring, 6, drilling rod connecting headstock, 7, to intake inclined hole, the 8, second sealing ring, 9, ring-shaped groove, 10, inlet opening, 11, water supply connector, the 12, the 3rd sealing ring, 13, water inlet circle cover, 14, the second hole back-up ring, 15, bearing, 16, cavity.
Detailed description of the invention:
Further illustrate below in conjunction with accompanying drawing, and provide embodiment, the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions;
A kind of coal mine drilling machine drill bit water cooling treating apparatus described in the utility model, this device is by drill bit, drilling rod, drilling rod water channel, first hole back-up ring, first sealing ring, drilling rod connecting headstock, water inlet inclined hole, second sealing ring, ring-shaped groove, inlet opening, water supply connector, 3rd sealing ring, water inlet circle cover, second hole back-up ring, bearing and cavity composition, drilling rod water channel 3 is provided with in drilling rod 2, drilling rod water channel 3 one end is communicated with cavity 16, the other end of drilling rod water channel 3 is communicated with drill bit 1, drilling rod connecting headstock 6 is had in the outer race of drilling rod 2, the first sealing ring 5 is provided with between drilling rod connecting headstock 6 and drilling rod 2, first sealing ring 5 utilizes the first hole back-up ring 4 to carry out axial restraint, adopt bearing 15 to connect water inlet circle cover 13 in the lower end of drilling rod connecting headstock 6, bearing 15 utilizes the second hole back-up ring 14 to carry out axial restraint, water inlet circle cover 13 has inlet opening 10, water supply connector 11 for connecting filler pipe is installed in the outer end of inlet opening 10, have ring-shaped groove 9 in the inner side of water inlet circle cover 13, one end of inlet opening 10 is communicated with ring-shaped groove 9, drilling rod connecting headstock 6 has into water inclined hole 7, the Single port of water inlet inclined hole 7 is communicated with ring-shaped groove 9, and the another port of water inlet inclined hole 7 is communicated with the cavity 16 be arranged in drilling rod 2, ring-shaped groove about 9 both sides between water inlet circle cover 13 and drilling rod connecting headstock 6 are respectively equipped with the second sealing ring 8 and the 3rd sealing ring 12,
As shown in Figure 1, 2, 3, drilling rod connecting headstock 6 has into water inclined hole 7, water inlet inclined hole 7 is communicated with the cavity 16 in drilling rod 2, drilling rod connecting headstock 6 adopt bearing 15 be connected with water inlet circle cover 13, water inlet circle cover 13 is processed with inlet opening 10, the ring-shaped groove 9 for water storage is processed with in the inner side of water inlet circle cover 13, one end of inlet opening 10 is communicated with ring-shaped groove 9, the corresponding ring-shaped groove 9 of the external port of the water inlet inclined hole 7 on drilling rod connecting headstock 6, makes the water in ring-shaped groove 9 be borrowed to intake inclined hole 7 to enter cavity 16 in drilling rod 2; In drilling rod 2, centrally line is processed with drilling rod water channel 3, drilling rod water channel 3 one end is communicated with cavity 16, the other end of drilling rod water channel 3 is communicated on drill bit 1, the second sealing ring 8 and the 3rd sealing ring 12 two sealing rings are equipped with in the both sides of the ring-shaped groove 9 inside water inlet circle cover 13, the water added being plugged in ring-shaped groove 9, making it can not leak from running between water inlet circle cover 13 and drilling rod connecting headstock 6; Also the first sealing ring 5 is added with and the anti-sealing of the first hole back-up ring 4 runs leakage from here at drilling rod 2 and drilling rod connecting headstock 6; The collar extension of bearing 15 carries out axial restraint by the second hole back-up ring 14;
When rig works, drilling rod 2 is inserted in drill bit 1 fixing, drill spindle drives drilling rod connecting headstock 6, drilling rod 2 and drill bit 1 to do the motion rotating also shifted forward, due to the effect of the bearing 15 between round cover 13 and drilling rod connecting headstock 6 of intaking, water inlet circle cover 13 does not rotate, but synchronously does constant speed translational motion with drilling rod connecting headstock 6; When adding water, water enters into the inlet opening 10 on water circle cover 13 through water supply connector 11, the water inlet inclined hole 7 on drilling rod connecting headstock 6 is pressed into again by the ring-shaped groove 9 inside water inlet circle cover 13, by water inlet inclined hole 7, hydraulic pressure is entered the middle cavity 16 of drilling rod 2 again, drilling rod water channel 3 finally by drilling rod 2 center arrives drill bit 1 position, cools drill bit 1.
In actual production process, several water inlet inclined hole 7 and inlet openings 10 can be set as required, to increase inflow and to promote cooling effect.
Claims (4)
1. a coal mine drilling machine drill bit water cooling treating apparatus, it is characterized in that this device is by drill bit, drilling rod, drilling rod water channel, first hole back-up ring, first sealing ring, drilling rod connecting headstock, water inlet inclined hole, second sealing ring, ring-shaped groove, inlet opening, water supply connector, 3rd sealing ring, water inlet circle cover, second hole back-up ring, bearing and cavity composition, drilling rod water channel (3) is provided with in drilling rod (2), drilling rod water channel (3) one end is communicated with cavity (16), the other end of drilling rod water channel (3) is communicated with drill bit (1), drilling rod connecting headstock (6) is had in the outer race of drilling rod (2), adopt bearing (15) to connect water inlet circle cover (13) in the lower end of drilling rod connecting headstock (6), water inlet circle cover (13) has inlet opening (10), ring-shaped groove (9) is had in the inner side of water inlet circle cover (13), one end of inlet opening (10) is communicated with ring-shaped groove (9), drilling rod connecting headstock (6) has into water inclined hole (7), the Single port of water inlet inclined hole (7) is communicated with ring-shaped groove (9), and another port is communicated with the cavity (16) be arranged in drilling rod (2), ring-shaped groove (9) between water inlet circle cover (13) and drilling rod connecting headstock (6) is respectively equipped with the second sealing ring (8) and the 3rd sealing ring (12) in both sides up and down.
2. coal mine drilling machine drill bit water cooling treating apparatus as claimed in claim 1, is characterized in that bearing (15) utilizes the second hole back-up ring (14) to carry out axial restraint.
3. coal mine drilling machine drill bit water cooling treating apparatus as claimed in claim 1, it is characterized in that being provided with the first sealing ring (5) between drilling rod connecting headstock (6) and drilling rod (2), the first sealing ring (5) utilizes the first hole back-up ring (4) to carry out axial restraint.
4. coal mine drilling machine drill bit water cooling treating apparatus as claimed in claim 1, is characterized in that the water supply connector (11) be provided with in the outer end of inlet opening (10) for connecting filler pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223969.5U CN204552628U (en) | 2015-04-15 | 2015-04-15 | Coal mine drilling machine drill bit water cooling treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223969.5U CN204552628U (en) | 2015-04-15 | 2015-04-15 | Coal mine drilling machine drill bit water cooling treating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204552628U true CN204552628U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520223969.5U Active CN204552628U (en) | 2015-04-15 | 2015-04-15 | Coal mine drilling machine drill bit water cooling treating apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350981A (en) * | 2017-09-07 | 2017-11-17 | 广东标华科技有限公司 | A kind of internal water cooling dry method edging wheel |
-
2015
- 2015-04-15 CN CN201520223969.5U patent/CN204552628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350981A (en) * | 2017-09-07 | 2017-11-17 | 广东标华科技有限公司 | A kind of internal water cooling dry method edging wheel |
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