CN208934932U - A kind of wear-resisting Sand pump - Google Patents
A kind of wear-resisting Sand pump Download PDFInfo
- Publication number
- CN208934932U CN208934932U CN201821672497.1U CN201821672497U CN208934932U CN 208934932 U CN208934932 U CN 208934932U CN 201821672497 U CN201821672497 U CN 201821672497U CN 208934932 U CN208934932 U CN 208934932U
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- CN
- China
- Prior art keywords
- wear
- terminal pad
- resistance
- bearing block
- drive shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of wear-resisting Sand pumps, including pump case, abrasion-resistant blade, drive shaft, bearing block, terminal pad, inside pump cover, resistance to mill tube, Wear resistance disk and sealing ring group, abrasion-resistant blade is mounted in pump case, drive shaft is transmitted through bearing block and is connected on abrasion-resistant blade, it is connected between bearing block and drive shaft by high-speed bearing, inside pump cover is fixed on pump case, and terminal pad is fixed between pump case and bearing block, and resistance to mill tube is mounted between drive shaft and terminal pad；Wear resistance disk is fixed in terminal pad, and sealing ring group is mounted between resistance to mill tube and terminal pad.Terminal pad and drive shaft are passed through wear-resistant sleeve by above-mentioned wear-resisting Sand pump, and sealing element is fixed in terminal pad, are contacted resistance to mill tube with sealing element direct friction, are avoided the abrasion of terminal pad.Meanwhile sediment outflow channel and corresponding sand removing hole are set between wear-resistant sleeve and terminal pad, the mortar of leakage is discharged in time, avoid sealing ring crosses quick-wearing.
Description
Technical field
The utility model relates to mining conveying equipment technology fields, and in particular to a kind of wear-resisting Sand pump.
Background technique
Sand pump is made of spiral case, impeller, backplate, pump cover, bracket and bearing assembly etc., and the pump cover of middle (center) bearing side claims
For terminal pad.Due to existing terminal pad is in terms of following two, causes terminal pad to be prone to wear out, need often to carry out whole
Body replacement, not only causes to waste, while frequent shutdown replacement also seriously affects production.
First: since the structure of terminal pad is complex, for the convenience of manufacture processing, the entirety of existing terminal pad is all adopted
It is made of grey iron, the characteristic of grey iron determines that terminal pad wearability is poor, the impact for resisting mortar that cannot be permanent；The
Two: the dynamic water-stop of existing terminal pad is all made of terminal pad and realizes with the mode that the rubber seal of rotation directly contacts,
Thus, it is also easy to appear abrasion at the friction of terminal pad and sealing ring, destroys sealing.Third: due to the work pressure of the pump housing
Power is larger, and the leakage of mortar is unavoidable, especially in sealing ring attachment, if mortar cannot be discharged in time, it is easy to make
At the failure of sealing ring.
Utility model content
The technical problems to be solved in the utility model is to have overcome the deficiencies of the prior art and provide a kind of wear-resisting Sand pump,
By terminal pad and drive shaft by wear-resistant sleeve, and sealing element is fixed in terminal pad, makes resistance to mill tube and sealing element direct friction
Contact, avoids the abrasion of terminal pad.Meanwhile sediment outflow channel and corresponding sand removing hole are set between wear-resistant sleeve and terminal pad, and
When the mortar of leakage is discharged, avoid sealing ring crosses quick-wearing.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of wear-resisting Sand pump, including pump case, resistance to
Grind blade, drive shaft, bearing block, terminal pad, inside pump cover, resistance to mill tube, Wear resistance disk and sealing ring group；The abrasion-resistant blade installation
In pump case, drive shaft is transmitted through bearing block and is connected on abrasion-resistant blade, is connected between bearing block and drive shaft by high-speed bearing,
The inside pump cover is fixed on pump case, and terminal pad is fixed between pump case and bearing block, and resistance to mill tube is mounted on drive shaft and company
It connects between disk；The Wear resistance disk is fixed in terminal pad, and sealing ring group is mounted between resistance to mill tube and terminal pad.In above-mentioned installation
Under combined situation, sealing ring group only generates friction with resistance to mill tube and Wear resistance disk, and terminal pad is not influenced by mortar, thus is eliminated
The wear phenomenon of terminal pad improves the service life of pump, reduces maintenance cost.
Resistance to mill tube and Wear resistance disk use high abrasion metal material, as superhigh manganese alloy (ZGMn18Cr2MoRe) makes.It is single
Material, the processing technologys of the more other composite materials of processing technology is simple, efficiently.When the service life knot of resistance to mill tube and Wear resistance disk
Shu Shi is directly replaced.Since resistance to mill tube and wear-resisting dish structure are simple, replacement cost compared with replacement terminal pad cost it is low,
Replacement process is simple.
It is further improved as the utility model, only 2 are formed between the sealing ring group, resistance to mill tube and terminal pad
Cavity lets out sand mouth wherein being provided on the cavity wall close to bearing block side；It is provided with sand removing hole on the side wall of the inside pump cover,
The sand removing hole is identical as the phase for letting out sand mouth.The leakage generated in the Sand pump course of work, which is introduced into, lets out in sand channel, and according to
It is secondary to be discharged through sand removing hole with sand mouth is let out, it prevents mortar from largely accumulating at sealing ring, accelerates the abrasion of sealing ring.
Further improved as the utility model, the terminal pad includes disk body and body, and body is vertically fixed on disk
On body；The front end of the disk body is equipped with bearing block mounting surface, and the side of the bearing block mounting surface is equipped with positioning spigot, the bearing block
Two groups of fixed holes being distributed with one heart are provided in mounting surface.The fixation hole for Wear resistance disk installation is also provided on body.
Further improved as the utility model, the outer wall of the body is equipped with positioning convex platform, the positioning convex platform with
It is formed between inside pump cover and the end face of disk body and cricoid lets out sand channel.Above-mentioned boss is matched with the sealing surface on the pump cover of inside,
Sealing rubber ring is installed between boss and above-mentioned sealing surface.
Further improved as the utility model, the Wear resistance disk is the tabular of single material, the two sides of the plate
It is mounted on wear-resistant seal ring, above-mentioned wear-resistant seal ring is each attached on resistance to mill tube.
Further improved as the utility model, the resistance to mill tube is connect by the way of excessively cooperating with drive shaft.
Further improved as the utility model, the positioning spigot includes male half coupling and inner stopper, wherein male half coupling
Height be lower than inner stopper height.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
By terminal pad and drive shaft by wear-resistant sleeve, and sealing element is fixed in terminal pad, makes resistance to mill tube and sealing element
Direct friction contact, avoids the abrasion of terminal pad.Meanwhile sediment outflow channel and corresponding row are set between wear-resistant sleeve and terminal pad
Sand mouth lets out sand mouth, and the mortar of leakage is discharged in time, and avoid sealing ring crosses quick-wearing, improves the service life of Sand pump.
Detailed description of the invention
Technical solutions of the utility model are described further with reference to the accompanying drawing:
Attached drawing 1 is the schematic cross-sectional view of the wear-resisting Sand pump of the utility model；
Attached drawing 2 is the utility model partial enlargement structural representation；
Attached drawing 3 is the structural schematic diagram of the utility model terminal pad.
In figure: 1, pump case；2, abrasion-resistant blade；3, inside pump cover；4, Wear resistance disk；5, terminal pad；6, bearing block；7, it drives
Axis；8, sealing ring group；9, sand mouth is let out；10, sand removing hole；11, sediment outflow channel；12, inner stopper；13, fixed hole；14, male half coupling；
15, bearing block mounting surface；16, boss；17, body；18, sealing ring mounting groove；19, resistance to mill tube.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
A kind of wear-resisting Sand pump as shown in Figure 1 to Figure 3, including pump case 1, abrasion-resistant blade 2, drive shaft 7, bearing block 6, company
Connect disk 5, inside pump cover 3, resistance to mill tube 19, Wear resistance disk 4 and sealing ring group 8；Sealing ring group 8 is including several backbone sealing rings and at least
One teflin ring.The cavity formed between backbone sealing ring can be used as Sand pump leakage mortar storage chamber and
Sediment outflow chamber.
Abrasion-resistant blade 2 is mounted in pump case 1, and drive shaft 7 is transmitted through bearing block 6 and is connected on abrasion-resistant blade 2, drive shaft 7 with
Abrasion-resistant blade 2 is connected through a screw thread.It is connected between bearing block 6 and drive shaft 7 by high-speed bearing.
Inside pump cover 3 is fixed on pump case 1, and inside pump cover 3 is bolted on pump case 1.
Terminal pad 5 is fixed between pump case 1 and bearing block 6, and resistance to mill tube 19 is mounted between drive shaft 7 and terminal pad 5；It is resistance to
Mill 4 is fixed in terminal pad 5, and sealing ring group 8 is mounted between resistance to mill tube 19 and terminal pad 5.In above-mentioned installation combined situation
Under, sealing ring group 8 only generates friction with resistance to mill tube 19 and Wear resistance disk 4, and terminal pad 5 is not influenced by mortar, thus the company of eliminating
The wear phenomenon for connecing disk 5 improves the service life of pump, reduces maintenance cost.
Terminal pad 5 is fixed on together with pump case 1 is bolted with bearing block 6.Above-mentioned bolt connecting mode and seam allowance
Positioning method is used cooperatively, it is ensured that the axle center coincidence of bearing block 6, drive shaft 7.
Resistance to mill tube 19 and Wear resistance disk 4 use high abrasion metal material, as superhigh manganese alloy (ZGMn18Cr2MoRe) makes.
Single material, the processing technology of the more other composite materials of processing technology are simple, efficient.When making for resistance to mill tube 19 and Wear resistance disk 4
When with end-of-life, directly replace.Since resistance to mill tube 19 and 4 structure of Wear resistance disk are simple, replacement cost relatively replaces connection
The cost of disk 5 is low, replacement process is simple.
Being formed between sealing ring group 8, resistance to mill tube 19 and terminal pad 5 is 2 cavitys, wherein close to 6 side of bearing block
Cavity wall on be provided with and let out sand mouth 9；Sand removing hole 10, sand removing hole 10 and the phase phase for letting out sand mouth 9 are provided on the side wall of inside pump cover 3
Together, sediment outflow efficiency is improved.
The leakage mortar generated in the Sand pump course of work, which is introduced into, to be let out in sand channel 11, and successively through sand removing hole 10 with let out
Sand mouth 9 is discharged, and prevents mortar from largely accumulating at sealing ring group 8, accelerates the abrasion of sealing ring group 8.
Terminal pad 5 includes disk body and body 17, and body 17 is vertically fixed on disk body；Pacify equipped with bearing block the front end of disk body
Dress face 15, the side of the bearing block mounting surface 15 are equipped with positioning spigot, are provided with two groups in the bearing block mounting surface 15 and are distributed with one heart
Fixed hole 13.The fixation hole installed for Wear resistance disk 4 is also provided on body 17.Wear resistance disk 4 and resistance to mill tube 19 are connected by bolt
It connects.
The outer wall of body 17 is equipped with positioning convex platform 16, between the positioning convex platform 16 and inside pump cover 3 and the end face of disk body
It is formed and cricoid lets out sand channel 11.Above-mentioned boss 16 is matched with the sealing surface on inside pump cover 3, boss 16 and above-mentioned sealing surface it
Between sealing rubber ring is installed.
17 inner wall of terminal pad 5 is equipped with sealing ring mounting groove 18.
Wear resistance disk 4 is the tabular of single material, and the two sides of the plate are mounted on wear-resistant seal ring, above-mentioned wear-resistant seal
Ring is each attached on resistance to mill tube.
Resistance to mill tube 19 is connect by the way of excessively cooperating with drive shaft 7.
Positioning spigot includes male half coupling 14 and inner stopper 12, and wherein the height of male half coupling 14 is lower than the height of inner stopper 12.
The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model
System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (7)
1. a kind of wear-resisting Sand pump, including pump case, abrasion-resistant blade, drive shaft and bearing block, the abrasion-resistant blade are mounted on pump case
Interior, drive shaft is transmitted through bearing block and is connected on abrasion-resistant blade, is connected between bearing block and drive shaft by high-speed bearing, feature
It is: further includes terminal pad, inside pump cover, resistance to mill tube, Wear resistance disk and sealing ring group, the inside pump cover is fixed on pump case,
Terminal pad is fixed between pump case and bearing block, and resistance to mill tube is mounted between drive shaft and terminal pad；The Wear resistance disk is fixed on
In terminal pad, sealing ring group is mounted between resistance to mill tube and terminal pad.
2. wear-resisting Sand pump according to claim 1, it is characterised in that: the sealing ring group, resistance to mill tube and terminal pad it
Between to be formed be 2 cavitys, wherein being provided on the cavity wall close to bearing block side and letting out sand mouth；The side wall of the inside pump cover
On be provided with sand removing hole, the sand removing hole is identical as the phase for letting out sand mouth.
3. wear-resisting Sand pump according to claim 1, it is characterised in that: the terminal pad includes disk body and body, body
It is vertically fixed on disk body；The front end of the disk body is equipped with bearing block mounting surface, and the side of the bearing block mounting surface is equipped with positioning
Seam allowance is provided with two groups of fixed holes being distributed with one heart in the bearing block mounting surface.
4. wear-resisting Sand pump according to claim 3, it is characterised in that: the outer wall of the body is equipped with positioning convex platform,
It is formed between the positioning convex platform and inside pump cover and the end face of disk body and cricoid lets out sand channel.
5. wear-resisting Sand pump according to claim 1, it is characterised in that: the Wear resistance disk is the tabular of single material,
The two sides of the plate are mounted on wear-resistant seal ring, and above-mentioned wear-resistant seal ring is each attached on resistance to mill tube.
6. wear-resisting Sand pump according to claim 1, it is characterised in that: the resistance to mill tube and drive shaft are using excessively cooperation
Mode connect.
7. wear-resisting Sand pump according to claim 3, it is characterised in that: the positioning spigot include male half coupling and it is interior only
Mouthful, wherein the height of male half coupling is lower than the height of inner stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672497.1U CN208934932U (en) | 2018-10-16 | 2018-10-16 | A kind of wear-resisting Sand pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672497.1U CN208934932U (en) | 2018-10-16 | 2018-10-16 | A kind of wear-resisting Sand pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208934932U true CN208934932U (en) | 2019-06-04 |
Family
ID=66724652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672497.1U Expired - Fee Related CN208934932U (en) | 2018-10-16 | 2018-10-16 | A kind of wear-resisting Sand pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208934932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929652A (en) * | 2023-02-02 | 2023-04-07 | 莱芜金山矿产资源有限公司 | High-strength and long-service-life desulphurization pump |
-
2018
- 2018-10-16 CN CN201821672497.1U patent/CN208934932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929652A (en) * | 2023-02-02 | 2023-04-07 | 莱芜金山矿产资源有限公司 | High-strength and long-service-life desulphurization pump |
| CN115929652B (en) * | 2023-02-02 | 2023-07-28 | 莱芜金山矿产资源有限公司 | High-strength long-life desulfurization pump |
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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: 20190604 Termination date: 20211016 |