CN207436902U - A kind of gas extraction, drainage and discharge driller power head - Google Patents
A kind of gas extraction, drainage and discharge driller power head Download PDFInfo
- Publication number
- CN207436902U CN207436902U CN201720036099.XU CN201720036099U CN207436902U CN 207436902 U CN207436902 U CN 207436902U CN 201720036099 U CN201720036099 U CN 201720036099U CN 207436902 U CN207436902 U CN 207436902U
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- Prior art keywords
- hollow shaft
- shaped card
- gear
- drainage
- card watt
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Abstract
The utility model discloses a kind of gas extraction, drainage and discharge driller power heads, including deceleration box, ladder hollow shaft, spring mounting seat, gear, spring retainer seat and nd face back-up ring, the disk spring group in compressive state is set on spring mounting seat, it is circumferentially uniformly distributed in the inner cavity of gear that there are three U-shaped card watt mounting grooves, U-shaped card watt is mounted in each U-shaped card watt mounting groove, oil duct is provided on gear, compression hydraulic cylinder is installed on deceleration box；U-shaped card watt includes slips body and pad, and the shape of the external profile of slips is wedge shape, and the shape in slips body cross section is inverted u-shaped, and the upper surface of slips body is arc surface, and pad is fixedly connected on the bottom surface of slips body, and the lower surface of pad is arc surface.The utility model is compact-sized, and novel in design rationally to reduce energy consumption, improve power transmission efficiency, reliable and stable to the clamping force of drilling rod, the service life of slips is long, and borehole accuracy is high, and highly practical, using effect is good, convenient for promoting the use of.
Description
Technical field
The utility model belongs to gas exhaust and puts equipment technical field, and in particular to a kind of gas extraction, drainage and discharge driller power
Head.
Background technology
In China deep, the reserves of coal resources account for the 55% of coal resources gross reserves, with the height of coal mining depth
Speed extension, deep mining will be as the emphasis of China's future coal mining.With the increase of mining depth, gas bearing capacity increases therewith
Add, in order to solve the problems, such as that deep coalmine exploits Gas Disaster, deep coalmine gas pumping technology becomes the hot spot of research.At present,
Full-hydraulic drill power head applied to middle small bore gas drainage under suction tunnel is independent component, by supporting plate /V in rack
On.The output shaft of power head is connected with oild chuck, with associated components coordinated operation, transfers power on drilling rod and completes
Drilling operation.There are following defects for this drill power head：
1st, power head and oild chuck are two relatively independent components in existing drilling machine so that the main machine structure of drilling machine is answered
Miscellaneous, volume is big, quality weight, not readily portable, carry and installation；
2nd, the connection between power head and oild chuck, causes the less reliable of power drive system, and transmission efficiency becomes
It is low, influence the work efficiency of drilling；
3rd, slips is complicated, and slips and the stress concentration at Gear Contact, discontinuity be easy to cause slips
Damage, reduce slips work reliability and entire drill power head work reliability；
4th, the arrangement at 90 ° of slips interval so that drilling rod is not good enough to neutrality in drilling process, causes to drill
Precision is high not enough.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of gas
Pump drainage puts drill power head, compact-sized, novel in design reasonable, reduces energy consumption, improves power transmission efficiency, to drilling rod
Clamping force it is reliable and stable, the service life of slips is long, and borehole accuracy is high, and highly practical, using effect is good, makes convenient for promoting
With.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of gas extraction, drainage and discharge driller power
Head, it is characterised in that：Ladder hollow shaft including deceleration box and inside deceleration box is covered in the ladder hollow shaft
Equipped with spring mounting seat and gear and respectively positioned at the spring retainer seat and nd face back-up ring of gear both sides, the spring retainer
Seat and nd face back-up ring are fixedly connected with gear, and the disk spring group in compressive state is set on the spring mounting seat,
One end of the disk spring group is withstood in the protrusion of spring mounting seat end, and the other end of the disk spring group withstands on spring
On limit base, on the shaft shoulder that the nd face back-up ring abuts against ladder hollow shaft under the elastic force effect of disk spring group, the tooth
It is circumferentially uniformly distributed there are three U-shaped card watt mounting groove in the inner cavity of wheel, each it is mounted on using in the U-shaped card watt mounting groove
In the hollow shaft and the U-shaped card watt of drilling rod that clamp water pigtail, be provided on the inner bottom surface for leading to U-shaped card watt mounting groove on the gear and
For adding the oil duct of lubricating oil for U-shaped card watt, piston rod on the deceleration box is installed and is set towards gear and for pushing away
Moving gear is so that U-shaped card watt clamps the hollow shaft of water pigtail and the compression hydraulic cylinder of drilling rod；The U-shaped card watt includes slips body and lining
Block, the shape of the external profile of slips is wedge shape, and the shape in the slips body cross section is inverted u-shaped, the slips body
Upper surface is the matched arc surface of inner bottom surface with U-shaped card watt mounting groove, and the pad is fixedly connected on the bottom surface of slips body
On, the lower surface of the pad is the matched arc surface in outer surface with ladder hollow shaft.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：It is provided with and is used in the ladder hollow shaft
Limitation penetrates the annular convex platform of the radial position of the hollow shaft of the water pigtail in ladder hollow shaft.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：It is equipped with and is used for inside the deceleration box
Two hollow axle bearings of ladder of installation support ladder hollow shaft.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：The spring retainer seat and ladder hollow shaft
Between and nd face back-up ring and ladder hollow shaft between be both provided with sealing ring.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：The spring retainer seat and nd face back-up ring are equal
It is fixedly connected by bolt with gear.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：The quantity of the compression hydraulic cylinder is two.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：The pad is fixedly connected on by screw
On the bottom surface of slips body.
A kind of above-mentioned gas extraction, drainage and discharge driller power head, it is characterised in that：Reticulate pattern is provided on the bottom surface of the pad.
The utility model has the following advantages compared with prior art：
1st, the utility model is compact-sized, novel in design reasonable, and it is convenient to realize.
2nd, the U-shaped card watt of the utility model is arranged in U-shaped card watt mounting groove, and is provided on gear and is led to U-shaped card watt peace
Oil duct on the inner bottom surface of tankage and for adding lubricating oil for U-shaped card watt, improve in the prior art U-shaped card watt exposed to outer
The phenomenon that easily stuck, helps to improve the work efficiency of drilling machine；And by setting oil duct, can be added in time for U-shaped card watt
Lubricating oil makes U-shaped card watt be constantly in lubricating status, can reduce active force needed for unclamping drilling rod, delay to a certain extent
Fatigue failure phase of disk spring group extends the service life of disk spring group indirectly.
3rd, the utility model limits the radial direction position of the hollow shaft of water pigtail by setting annular convex platform in ladder hollow shaft
It puts, avoids the friction damage hollow shaft between the hollow shaft of water pigtail and its locking nut.
4th, the utility model leads to compared with clamping only with hydraulic power in the prior art and unclamping the technical solution of drilling rod
The energy for crossing the storage of disk spring group clamps the hollow shaft and drilling rod of water pigtail, saves needed for the hollow shaft for clamping water pigtail and drilling rod
Energy consumption, and be not in the phenomenon that becoming smaller to the clamping force of drilling rod.
5th, power can be directly transferred to from gear on drilling rod by the U-shaped card watt in the utility model, power head output shaft
Without power from power head is transferred to drilling rod by rigid threaded connection again, the power for simplifying drilling machine in the prior art passes
Transfer mechanism improves power transmission efficiency, and since U-shaped card watt is arranged in U-shaped card watt mounting groove to clamp or unclamp brill
Bar, therefore the convenient disassembly of drilling rod are not in that power head output shaft twists off to be stuck in U-shaped card watt in threaded connection place and is difficult to take
The phenomenon that going out meanwhile, it is capable to so that complete machine structure is compacter, shortens whole length.
6th, the structure of the U-shaped card watt of the utility model is simple, and U-shaped card watt and the face of Gear Contact are arc surface, can make U
Type slips is well matched with gear, is reduced U-shaped card watt and the stress concentration at Gear Contact, is improved stressed effect, do not allow
The damage of U-shaped card watt is easily caused, the reliability of slips work and the reliability of entire drill power head work is improved, extends
The service life of slips.
7th, the U-shaped card watt of the utility model is separated by 120 ° of arrangements, improve drilling rod in drilling process to neutrality, promoted
The borehole accuracy in pump drainage methane hole.
8th, the utility model can be used in underground coal mine brill gas exhaust discharge hole and protrusion-dispelling pressure relief vent, highly practical, use
Effect is good, convenient for promoting the use of.
In conclusion the utility model is compact-sized, and it is novel in design rationally to reduce energy consumption, it improves power and transfers effect
Rate, reliable and stable to the clamping force of drilling rod, the service life of slips is long, and borehole accuracy is high, and highly practical, using effect is good, just
In promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of the utility model gear.
Fig. 3 is the A direction views of Fig. 2.
Fig. 4 is the front view of the utility model U-shaped card watt.
Fig. 5 is the B-B sectional views of Fig. 4.
Fig. 6 is the C direction views of Fig. 4.
Reference sign:
1-deceleration box；2-water pigtail；3-drilling rod；
4-ladder hollow shaft；4-1-annular convex platform；5-gear；
6-spring retainer seat；7-nd face back-up ring；8-spring mounting seat；
9-compression hydraulic cylinder；10-disk spring group；11-U-shaped card watt；
11-1-slips body；11-2-pad；11-3-screw；
The hollow axle bearing of 12-ladder；13-U-shaped card watt mounting groove；14-sealing ring.
Specific embodiment
As shown in Fig. 1~Fig. 6, the gas extraction, drainage and discharge driller power head of the utility model, including deceleration box 1 and is mounted on
Ladder hollow shaft 4 inside deceleration box 1 is set with spring mounting seat 8 and gear 5 and respectively in the ladder hollow shaft 4
Positioned at the spring retainer seat 6 of 5 both sides of gear and nd face back-up ring 7, the spring retainer seat 6 and nd face back-up ring 7 are fixed with gear 5
It connects, the disk spring group 10 in compressive state, one end of the disk spring group 10 is set on the spring mounting seat 8
It withstands in the protrusion of 8 end of spring mounting seat, the other end of the disk spring group 10 is withstood on spring retainer seat 6, the end
On the shaft shoulder that face baffle ring 7 abuts against ladder hollow shaft 4 under the elastic force effect of disk spring group 10, in the inner cavity of the gear 5
It is circumferentially uniformly distributed there are three U-shaped card watt mounting groove 13, each it is mounted on clamping in the U-shaped card watt mounting groove 13
The hollow shaft of water pigtail 2 and the U-shaped card watt 11 of drilling rod 3 are provided on the gear 5 and lead on the inner bottom surface of U-shaped card watt mounting groove 13
And piston rod is installed for being the oil duct 5-1 of the addition lubricating oil of U-shaped card watt 11, on the deceleration box 1 and is set towards gear 5
And for promoting gear 5 so that U-shaped card watt 11 clamps the hollow shaft of water pigtail 2 and the compression hydraulic cylinder 9 of drilling rod 3；The U-shaped card watt
11 include slips body 11-1 and pad 11-2, and the shape of the slips body 11-1 outer profiles is wedge shape, and the slips body 11-1 is horizontal
The shape of section is inverted u-shaped, and the upper surface of the slips body 11-1 is matched with the inner bottom surface of U-shaped card watt mounting groove 13
Arc surface, the pad 11-2 are fixedly connected on the bottom surface of slips body 11-1, and the lower surface of the pad 11-2 is and ladder
The matched arc surface in outer surface of hollow shaft 4.Wherein, spring mounting seat 8, spring retainer seat 6 and nd face back-up ring 7 are gear 5
Positioning component.
As shown in Figure 1, in the present embodiment, it is provided in the ladder hollow shaft 4 and is penetrated for limiting in ladder hollow shaft 4
Water pigtail 2 hollow shaft radial position annular convex platform 4-1.By setting annular convex platform 4-1, the hollow of water pigtail 2 is limited
The radial position of axis avoids the friction damage hollow shaft between the hollow shaft of water pigtail 2 and its locking nut.
As shown in Figure 1, in the present embodiment, it is equipped with that support ladder hollow shaft 4 is installed inside the deceleration box 1
The hollow axle bearing 12 of two ladders.
As shown in Figure 1, in the present embodiment, between the spring retainer seat 6 and ladder hollow shaft 4 and nd face back-up ring 7 with
Sealing ring 14 is both provided between ladder hollow shaft 4.
In the present embodiment, the spring retainer seat 6 and nd face back-up ring 7 are fixedly connected by bolt with gear 5.
As shown in Figure 1, in the present embodiment, the quantity of the compression hydraulic cylinder 9 is two.
As shown in Figure 5 and Figure 6, in the present embodiment, the pad 11-2 is fixedly connected on slips body 11- by screw 11-3
On 1 bottom surface.Pad 11-2 is fixedly connected on by screw 11-3 on the bottom surface of slips body 11-1, is ground on pad 11-2 surfaces
After damage, pad 11-2 is easily changed.
As shown in fig. 6, in the present embodiment, reticulate pattern is provided on the bottom surface of the pad 11-2.Reticulate pattern is used to increase pad
The friction of 11-2 and drilling rod 3.
When it is implemented, 1 bottom of deceleration box is provided with the company being connected for the piston rod of the advancing hydraulic pressure thick stick with drilling machine
Frame is connect, pin hole is provided on link, by link by passing through the piston rod of the pin of pin hole and the advancing hydraulic pressure thick stick of drilling machine
Connection.Sprocket drive spindle is installed in 1 inside of deceleration box, and be equipped with output shaft on the deceleration box 1 is consolidated with gear shaft by flat key
Surely the hydraulic motor connected, the gear 5 are meshed with gear shaft, and band movable gear shaft rotates when hydraulic motor rotates, gear shaft
Band moving gear 5 rotates.Deceleration box 1 be welding structure, strong vibration, high torque operating mode under, welding structure ensure that deceleration
The strength and stiffness of babinet 1；In view of the topology requirement of deceleration box 1, complexity is reduced in processing technology, and makes case
External shape is more aesthetically pleasing；And having considered the working space of drilling machine and the light-duty demand of drilling machine, welding structure makes reduction box
Body 1 is compact-sized, saves material, and cost of implementation is low, and production efficiency is high.
When the utility model is used, when needing to be packed into drilling rod 3 or take out drilling rod 3, give compression hydraulic cylinder 9 fuel feeding, clamp
The piston rod of hydraulic cylinder 9 is protruding, and gear 5 is promoted to be moved along the disk spring group 10 that is axially facing of ladder hollow shaft 4, and
Disk spring group 10 is further compressed, at this point, under the tapered ramp effect between U-shaped card watt mounting groove 13 and U-shaped card watt 11,
U-shaped card watt 11 is moved along the compression hydraulic cylinder 9 that is axially facing of ladder hollow shaft 4, so as to unclamp drilling rod；And working as needs to clamp water
When the hollow shaft and drilling rod 3 of pigtail 2, it need not give compression hydraulic cylinder 9 fuel feeding, the disk spring group 10 for being constantly in compressive state is produced
Raw elastic force can be always acted on gear 5, and gear 5 is made to have the compression hydraulic cylinder 9 that is axially facing along ladder hollow shaft 4 to move
Trend, at this point, between U-shaped card watt mounting groove 13 and U-shaped card watt 11 tapered ramp effect under, U-shaped card watt 11 have along
The trend for being axially facing the movement of disk spring group 10 of ladder hollow shaft 4, so as to which drilling rod 3 is made to be constantly in the shape of clamping
State.
Compared with clamping only with hydraulic power in the prior art and unclamping the technical solution of drilling rod, the present invention is by dish-like
The energy that groups of springs 10 stores clamps the hollow shaft of water pigtail 2 and drilling rod 3, saves and clamps needed for the hollow shaft of water pigtail 2 and drilling rod 3
Energy consumption；Moreover, by setting oil duct 5-1 in the present invention, can lubricating oil be added for U-shaped card watt 11 in time, make U-shaped card watt
11 are constantly in lubricating status, can reduce active force needed for unclamping drilling rod, delay disk spring group 10 to a certain extent
The fatigue failure phase, extend the service life of disk spring group 10 indirectly.
For drilling machine when being crept into and drilling out operation, power directly can be transferred to drilling rod 3 by U-shaped card watt 11 from gear 5
On, the power transmission mechanism of drilling machine in the prior art is simplified, improves power transmission efficiency, meanwhile, it is capable to so that complete machine knot
Structure is compacter, shortens whole length.
Compared with the structure of slips in the prior art, the structure of the U-shaped card watt 11 of the utility model is simple, U-shaped card watt 11
The face contacted with gear 5 is arc surface, and U-shaped card watt 11 can be made to be well matched with gear 5, reduces U-shaped card watt 11 and gear
The stress concentration of contact position, improves stressed effect, it is not easy to cause the damage of U-shaped card watt 11, improve slips work can
By the reliability that property and entire drill power head work, the service life of slips is extended.
Compared with prior art, the U-shaped card watt 11 of the utility model is separated by 120 ° of arrangements, improves drilling rod 3 and was creeping into
In journey to neutrality, improve the borehole accuracy in pump drainage methane hole.
The above is only the preferred embodiment of the utility model, not the utility model imposed any restrictions, every
Any simple modification, change and the equivalent structure made according to the utility model technical spirit to above example change, still
Belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a kind of gas extraction, drainage and discharge driller power head, it is characterised in that：Including deceleration box (1) and mounted on deceleration box (1)
Internal ladder hollow shaft (4) is set with spring mounting seat (8) and gear (5) on the ladder hollow shaft (4) and distinguishes
Positioned at the spring retainer seat (6) of gear (5) both sides and nd face back-up ring (7), the spring retainer seat (6) and nd face back-up ring (7) are equal
It is fixedly connected with gear (5), the disk spring group (10) in compressive state is set on the spring mounting seat (8), it is described
One end of disk spring group (10) is withstood in the protrusion of spring mounting seat (8) end, the other end of the disk spring group (10)
It withstands on spring retainer seat (6), it is hollow that the nd face back-up ring (7) abuts against ladder under the elastic force effect of disk spring group (10)
On the shaft shoulder of axis (4), circumferentially uniformly distributed in the inner cavity of the gear (5) there are three U-shaped card watt mounting groove (13), Mei Gesuo
It states in U-shaped card watt mounting groove (13) and is mounted on clamping the hollow shaft of water pigtail (2) and the U-shaped card watt (11) of drilling rod (3), institute
It states and is provided on gear (5) on the inner bottom surface for leading to U-shaped card watt mounting groove (13) and for adding lubricating oil for U-shaped card watt (11)
Oil duct (5-1) is equipped with piston rod on the deceleration box (1) and is set towards gear (5) and for promoting gear (5) so that U
Type slips (11) clamps the hollow shaft of water pigtail (2) and the compression hydraulic cylinder (9) of drilling rod (3)；The U-shaped card watt (11) includes slips
Body (11-1) and pad (11-2), the shape of slips body (11-1) outer profile is wedge shape, and the slips body (11-1) is cross-section
The shape in face is inverted u-shaped, and the upper surface of the slips body (11-1) is to be engaged with the inner bottom surface of U-shaped card watt mounting groove (13)
Arc surface, the pad (11-2) is fixedly connected on the bottom surface of slips body (11-1), the lower surface of the pad (11-2)
For the matched arc surface in outer surface with ladder hollow shaft (4).
2. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The ladder hollow shaft
(4) annular convex platform of the radial position for the hollow shaft that the water pigtail (2) in ladder hollow shaft (4) is penetrated for limitation is provided in
(4-1)。
3. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The deceleration box (1)
Inside is equipped with to install two hollow axle bearings of ladder (12) of support ladder hollow shaft (4).
4. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The spring retainer seat
(6) sealing ring (14) is both provided between ladder hollow shaft (4) and between nd face back-up ring (7) and ladder hollow shaft (4).
5. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The spring retainer seat
(6) it is fixedly connected with nd face back-up ring (7) by bolt with gear (5).
6. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The compression hydraulic cylinder
(9) quantity is two.
7. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The pad (11-2) is logical
Screw (11-3) is crossed to be fixedly connected on the bottom surface of slips body (11-1).
8. a kind of gas extraction, drainage and discharge driller power head described in accordance with the claim 1, it is characterised in that：The pad (11-2)
Reticulate pattern is provided on bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036099.XU CN207436902U (en) | 2017-01-12 | 2017-01-12 | A kind of gas extraction, drainage and discharge driller power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036099.XU CN207436902U (en) | 2017-01-12 | 2017-01-12 | A kind of gas extraction, drainage and discharge driller power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436902U true CN207436902U (en) | 2018-06-01 |
Family
ID=62395573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036099.XU Expired - Fee Related CN207436902U (en) | 2017-01-12 | 2017-01-12 | A kind of gas extraction, drainage and discharge driller power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622842A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Wedge-shaped block clamping type hydraulic sealing water-through device for coal mine drilling machine |
| CN113622841A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
-
2017
- 2017-01-12 CN CN201720036099.XU patent/CN207436902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622842A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Wedge-shaped block clamping type hydraulic sealing water-through device for coal mine drilling machine |
| CN113622841A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190112 |