CN206246420U - A kind of mining single-stage draining pump - Google Patents
A kind of mining single-stage draining pump Download PDFInfo
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- CN206246420U CN206246420U CN201621270082.2U CN201621270082U CN206246420U CN 206246420 U CN206246420 U CN 206246420U CN 201621270082 U CN201621270082 U CN 201621270082U CN 206246420 U CN206246420 U CN 206246420U
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Abstract
The utility model discloses a kind of mining single-stage draining pump, belong to coal mine underground water drainage apparatus field, specifically include：The pump housing, impeller, pump cover, bearing housing and pump shaft, the pump housing end are provided with liquid sucting port, and circumferential outer wall is provided with leakage fluid dram；The side of the pump cover is connected by bolt with the pump housing, and opposite side is connected by bolt with the bearing housing.Operationally, impeller is not contacted mining single-stage draining pump of the present utility model each other with Flow Field outside part, gap operation, so bearing is almost not subject to the hydraulic action power of fluid generation, pump shaft and impeller realize auto hydraulic balance, reduce fault rate.
Description
Technical field
The utility model is related to coal mine underground water drainage equipment technical field, more particularly to a kind of mining single-stage draining pump.
Background technology
Always with beneath water, good drainage system is the basic facilities for ensureing mine safety production to underground coal mine.
And draining pump is then the important component in drainage system.
The water pump of the draining of usual underground coal mine is multistage draining pump, needs to realize water by balancing frame during its operation
Dynamic balance.With water pump operation, the abrasion of balancing frame can destroy hydraulic equilibrium, cause efficiency reduction and the device damage of pump, drop
Low production efficiency.
For this reason, it may be necessary to develop a kind of low mining water discharge pump of fault rate, produced with the safe and continuous for ensureing mine.
Utility model content
The purpose of this utility model is to provide a kind of low mine draining pump of fault rate, is deposited with solving above-mentioned prior art
Problem, make the drain system fault rate of coal mine lower, meet mine safe and continuous production.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of mining single-stage draining pump, including：The pump housing, impeller, pump cover, bearing housing and pump
Axle, the pump housing end is provided with liquid sucting port, and circumferential outer wall is provided with leakage fluid dram；The side of the pump cover by bolt with it is described
The pump housing is connected, and opposite side is connected by bolt with the bearing housing.
The pump cover middle part is provided with protuberance, and an intercommunicating pore is provided with the middle part of the protuberance, and the bearing housing is anterior
Pump cover hole is provided with, the protuberance outer wall is touched with the pump cover hole, it is interior that the impeller is located at that the pump housing and pump cover constitute
In chamber, the center line of the impeller aligns with the liquid sucting port center line, and the impeller is arranged on the front end of the pump shaft, described
The front end face of impeller is fixed by impeller nut, and rear end face is fixed by an axle sleeve, the axle sleeve pass through the intercommunicating pore, and with setting
The centre bore of the closure on the prominent end surface is tightly connected.
The first axis hole is provided with the middle part of the bearing housing, rear portion is provided with the second axis hole, is provided with first axis hole
One bearing, is provided with second bearing in second axis hole, the pump shaft sequentially passes through the second bearing with the clutch shaft bearing
It is connected with the impeller afterwards, clutch shaft bearing gland is provided with the outside of first axis hole；It is provided with the outside of the second bearing and is pushed away
Power bearing, the outside of the thrust bearing is fixed by round nut, and second bearing gland is provided with the outside of second axis hole.
Preferably, the pump housing liquid sucting port inner side is provided with a step, and the step is provided with the first choma, before the impeller
The circumferential outer wall in side is provided with the second choma, and first choma is adapted with second choma and has a gap；The leaf
The circumferential end face of wheel rear side is provided with the 3rd choma, and the pump cover inner side is provided with a depressed part, the inner circumferential wall of the depressed part
The 4th choma is provided with, the 3rd choma and the 4th choma are adapted and have a gap.
Preferably, the clutch shaft bearing and second bearing are sliding friction bearing, described two sliding friction bearings
Outer shroud is arranged in first axis hole and the second axis hole by back-up ring respectively, and the inner ring of described two sliding friction bearings is all provided with
Put on the pump shaft.
Preferably, the equal diameters of described two sliding friction bearing inner rings.
Preferably, baffling disk, the folding are provided with the outside of the clutch shaft bearing gland and the second bearing gland
Flow table is not more than 1mm with the distance of the clutch shaft bearing gland and the second bearing gland.
Preferably, the bearing housing body sidewall between first axis hole and the second axis hole is provided with pouring orifice.
Preferably, the pump housing relative with the leakage fluid dram is provided with air bleeding valve.
Preferably, the mining single-stage draining pump also includes leg, and the leg is connected with the bearing housing by bolt
Connect.
Preferably, the impeller nut is provided with internal thread, and the front end of the pump shaft is provided with external screw thread, the impeller nut with
The pump shaft is connected through a screw thread.
Preferably, the impeller and the axle sleeve keep synchronous axial system by key with the pump shaft.
The utility model achieves following technique effect relative to prior art：
Impeller of the present utility model connects drive mechanism by pump shaft and bearing housing, and impeller is rotated underground water from imbibition
Mouth suction, produces centrifugal force under the underground water drive that impeller rotates again, and then forms chamber internal pressure, and underground water is arranged from leakage fluid dram
Go out.And impeller is not contacted each other with Flow Field outside part, gap operation, so the waterpower that bearing is almost not subject to fluid generation is made
Firmly, pump shaft and impeller realize auto hydraulic balance, reduce fault rate.Additionally, the mining single-stage draining pump of the utility model
Bearing housing, pump shaft, impeller and pump cover can be torn open from the pump housing on the premise of liquid in-out mouthful flange is not dismantled in maintenance
Go out down, and then impeller or bearing can be repaired or replaced, repair more convenient and time-saving.
, relative to multistage draining pump, structure is simpler, and fault rate is lower, repairs and is also more convenient for the utility model,
For the safe and continuous of mine produce the guarantee that provides the foundation.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of mining single-stage draining pump disclosed in the utility model embodiment；
Wherein, the 1- pump housings, 2- impellers, 3- pump covers, 4- bearing housings, 5- pump shafts, 6- liquid sucting ports, 7- leakage fluid drams, 8- connections
Hole, 9- pump covers hole, 10- impeller nuts, 11- axle sleeves, 12- closures, the axis holes of 13- first, the axis holes of 14- second, 15- first axles
Hold, 16- clutch shaft bearing glands, 17- second bearings, 18- thrust bearings, 19- round nuts, 20- second bearing glands, 21- first
Choma, the chomas of 22- second, the chomas of 23- the 3rd, the chomas of 24- the 4th, 25- baffling disks, 26- pouring orifices, 27- air bleeding valves, 28- branch
Pin, 29- keys.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of low mine draining pump of fault rate, is deposited with solving above-mentioned prior art
Problem, make the drain system fault rate of coal mine lower, meet mine safe and continuous production.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body implementation method is described in further detail to the utility model.
Embodiment 1：As shown in figure 1, a kind of mining single-stage draining pump is present embodiments provided, including：The pump housing 1, impeller 2,
Pump cover 3, bearing housing 4 and pump shaft 5, the end of the pump housing 1 are provided with liquid sucting port 6, and circumferential outer wall is provided with leakage fluid dram 7；It is described
The side of pump cover 3 is connected by bolt with the pump housing 1, and opposite side is connected by bolt with the bearing housing 4.
The middle part of the pump cover 3 is provided with protuberance, an intercommunicating pore 8 is provided with the middle part of the protuberance, before the bearing housing 4
Portion is provided with pump cover hole 9, and the protuberance outer wall is touched with the pump cover hole 9, and the impeller 2 is located at the pump housing 1 and the structure of pump cover 3
Into inner chamber in, the center line of the impeller 2 aligns with the center line of the liquid sucting port 6, and the impeller 2 is arranged on the pump shaft 5
Front end, the front end face of the impeller 2 fixed by impeller nut 10, and rear end face is fixed by an axle sleeve 11, and the axle sleeve 11 is passed through
The intercommunicating pore 8, and be tightly connected with the centre bore of the closure 12 being arranged on the prominent end surface.
The middle part of the bearing housing 4 is provided with the first axis hole 13, and rear portion is provided with the second axis hole 14, in first axis hole 13
It is provided with clutch shaft bearing 15, second axis hole 14 and is provided with second bearing 17, the pump shaft 5 sequentially passes through the second bearing 17
It is connected with the impeller 2 with after the clutch shaft bearing 15, the outside of first axis hole 13 is provided with clutch shaft bearing gland 16；It is described
The outside of second bearing 17 is provided with thrust bearing 18, and the outside of the thrust bearing 18 is fixed by round nut 19, and described second
The outside of axis hole 14 is provided with second bearing gland 20.
The inner side of 1 liquid sucting port of the pump housing 6 is provided with a step, and the step is provided with the first choma 21, the front side of the impeller 2
Circumferential outer wall is provided with the second choma 22, and first choma 21 is adapted with second choma 22 and has a gap；Institute
State the circumferential end face of the rear side of impeller 2 and be provided with the 3rd choma 23, the inner side of the pump cover 3 is provided with a depressed part, the depressed part
Inner circumferential wall is provided with the 4th choma 24, and the 3rd choma 23 and the 4th choma 24 are adapted and have a gap.
The impeller 2 of the present embodiment connects drive mechanism by pump shaft 5 and bearing housing 4, and impeller 2 is rotated underground water from suction
Liquid mouthful 6 is sucked, and centrifugal force is produced under the underground water drive that impeller 2 rotates again, and then forms chamber internal pressure, by underground water from leakage fluid dram
7 discharges.And gap is provided between choma, when high speed rotates, liquid rises impeller full of the gap between whole inner chamber and choma
To the effect of buffering and lubrication so that impeller 2 is not contacted each other with Flow Field outside part, gap operation, so bearing is hardly
The hydraulic action power of fluid generation is born, very little of wearing and tearing, therefore, pump shaft 5 and impeller 2 realize auto hydraulic balance, reduce
The fault rate of the mining single-stage draining pump of the present embodiment, improves service life.Additionally, the mining single-stage draining pump of the present embodiment exists
During maintenance can on the premise of liquid in-out mouthful flange is not dismantled by bearing housing 4, pump shaft 5, impeller 2 and pump cover 3 from the pump housing 1
Split out, and then impeller 2 or bearing can be repaired or replaced, repair more convenient and time-saving.
, relative to multistage draining pump, structure is simpler, and fault rate is lower, repairs and is also more convenient, and is for the present embodiment
The safe and continuous of mine produce the guarantee that provides the foundation.
Embodiment 2：The present embodiment is the further improvement to embodiment 1, all technical characteristic and skill with embodiment 1
Art effect is specific to improve as follows：
The clutch shaft bearing 15 and second bearing 17 are sliding friction bearing, the outer shroud of described two sliding friction bearings
It is arranged in the axis hole 14 of first axis hole 13 and second by back-up ring respectively, the inner ring of described two sliding friction bearings is all provided with
Put on the pump shaft 5, and described two sliding friction bearing inner rings equal diameters.Implement this using sliding friction bearing
Example can facilitate pump shaft 5 is disassembled from bearing housing 4.After pump cover 3 and bearing housing 4 are pulled down from the pump housing 1, first
Impeller nut 10 and impeller 2 are pulled down from pump shaft 5, then clutch shaft bearing gland 16 and second bearing gland 20 are pulled down, be equipped with
The pump shaft 5 of clutch shaft bearing 15 and the inner ring of second bearing 17 and thrust bearing 18 can be extracted out from the right side of bearing housing 4, then
The convenient part to being damaged in the inner and outer ring and thrust bearing 18 of clutch shaft bearing 15 and second bearing 17 is changed.
The outside of the clutch shaft bearing gland 16 and the second bearing gland 20 is provided with baffling disk 25, the baffling
Disk 25 is not more than 1mm with the distance of the clutch shaft bearing gland 16 and the second bearing gland 20.Baffling disk 25 can increase
The water resistance of clutch shaft bearing gland 16 and second bearing gland 20, clutch shaft bearing gland 16 and second bearing are flow in liquid
Before the gap of gland 20 and pump shaft 5, can be contacted with baffling disk 25, the meeting barrier liquid of baffling disk 25 directly contacts clutch shaft bearing
The gap of gland 16 and second bearing gland 20 and pump shaft 5, and then play the work for reducing the liquid penetrated into bearing housing 4
With, the generation of clutch shaft bearing 15 and second bearing 17 and the failure of thrust bearing 18 in bearing housing 4 is further reduced, improve
The service life of the present embodiment.Oiling is additionally provided with the side wall of bearing housing 4 between the axis hole 14 of first axis hole 13 and second
Mouth 26, it is convenient for clutch shaft bearing 15 and second bearing 17 and thrust bearing 18 fill lubricating oil.
The pump housing 1 is provided with air bleeding valve 27.Before opening draining pump, it is necessary to pour in down a chimney in inner chamber to valve body and bonnet
Liquid, and air bleeding valve 27 is used to discharge liquid in cavity, treats after the completion of pouring liquid, it is necessary to close the row of being then turned on of air bleeding valve 27
Water pump, to reduce the abrasion in draining pump start-up course.
The mining single-stage draining pump also includes leg 28, and the leg 28 is bolted with the bearing housing 4.
Leg 28 is used to fix the mining single-stage draining pump of the present embodiment.The impeller nut 10 is provided with internal thread, before the pump shaft 5
End is provided with external screw thread, and the impeller nut 10 is connected through a screw thread with the pump shaft 5.The impeller 2 and the axle sleeve 11 pass through
Key 29 keeps synchronous axial system with the pump shaft 5.
Apply specific case in this specification to be set forth principle of the present utility model and implementation method, above reality
The explanation for applying example is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the general of this area
Technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up institute
State, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of mining single-stage draining pump, it is characterised in that including：The pump housing, impeller, pump cover, bearing housing and pump shaft, the pump
Body end portion is provided with liquid sucting port, and circumferential outer wall is provided with leakage fluid dram；The side of the pump cover is connected by bolt with the pump housing,
Opposite side is connected by bolt with the bearing housing；
The pump cover middle part is provided with protuberance, and an intercommunicating pore is provided with the middle part of the protuberance, and the bearing housing front portion is provided with
Pump cover hole, the protuberance outer wall is touched with the pump cover hole, and the impeller is located in the inner chamber that the pump housing and pump cover are constituted,
The center line of the impeller aligns with the liquid sucting port center line, and the impeller is arranged on the front end of the pump shaft, the impeller
Front end face fixed by impeller nut, rear end face is fixed by an axle sleeve, the axle sleeve pass through the intercommunicating pore, and be arranged on institute
The centre bore for stating the closure on prominent end surface is tightly connected；
The first axis hole is provided with the middle part of the bearing housing, rear portion is provided with the second axis hole, first axle is provided with first axis hole
Hold, be provided with second bearing in second axis hole, the pump shaft sequentially pass through after the second bearing and the clutch shaft bearing with
The impeller connection, clutch shaft bearing gland is provided with the outside of first axis hole；Thrust axis is provided with the outside of the second bearing
Hold, the outside of the thrust bearing is fixed by round nut, second bearing gland is provided with the outside of second axis hole.
2. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The pump housing liquid sucting port inner side is provided with
One step, the step is provided with the first choma, and the circumferential outer wall in the impeller front side is provided with the second choma, the first
Ring is adapted with second choma and has a gap；The circumferential end face of the impeller rear side is provided with the 3rd choma, the pump
Lid inner side is provided with a depressed part, and the inner circumferential wall of the depressed part is provided with the 4th choma, the 3rd choma and the described 4th
Choma is adapted and has a gap.
3. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The clutch shaft bearing and second bearing
Sliding friction bearing is, the outer shroud of described two sliding friction bearings is arranged on first axis hole and by back-up ring respectively
In two axis holes, the inner ring of described two sliding friction bearings is arranged on the pump shaft.
4. a kind of mining single-stage draining pump according to claim 3, it is characterised in that：In described two sliding friction bearings
The equal diameters of ring.
5. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The clutch shaft bearing gland and described
Baffling disk, the baffling disk and the clutch shaft bearing gland and the second bearing pressure are provided with the outside of second bearing gland
The distance of lid is not more than 1mm.
6. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：First axis hole and the second axis hole
Between bearing housing body sidewall be provided with pouring orifice.
7. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The pump housing relative with the leakage fluid dram
It is provided with air bleeding valve.
8. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The mining single-stage draining pump is also wrapped
Leg is included, the leg is bolted with the bearing housing.
9. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The impeller nut is provided with interior spiral shell
Line, the front end of the pump shaft is provided with external screw thread, and the impeller nut is connected through a screw thread with the pump shaft.
10. a kind of mining single-stage draining pump according to claim 1, it is characterised in that：The impeller and the axle sleeve are logical
Cross key and keep synchronous axial system with the pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270082.2U CN206246420U (en) | 2016-11-25 | 2016-11-25 | A kind of mining single-stage draining pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270082.2U CN206246420U (en) | 2016-11-25 | 2016-11-25 | A kind of mining single-stage draining pump |
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| Publication Number | Publication Date |
|---|---|
| CN206246420U true CN206246420U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270082.2U Active CN206246420U (en) | 2016-11-25 | 2016-11-25 | A kind of mining single-stage draining pump |
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| CN (1) | CN206246420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762835A (en) * | 2016-11-25 | 2017-05-31 | 大连鸿泽泵业有限公司 | A kind of mining single-stage draining pump |
-
2016
- 2016-11-25 CN CN201621270082.2U patent/CN206246420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762835A (en) * | 2016-11-25 | 2017-05-31 | 大连鸿泽泵业有限公司 | A kind of mining single-stage draining pump |
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