CN207513849U - Pulp pump - Google Patents
Pulp pump Download PDFInfo
- Publication number
- CN207513849U CN207513849U CN201721638041.9U CN201721638041U CN207513849U CN 207513849 U CN207513849 U CN 207513849U CN 201721638041 U CN201721638041 U CN 201721638041U CN 207513849 U CN207513849 U CN 207513849U
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- CN
- China
- Prior art keywords
- stuffing box
- bracket
- pump housing
- pump
- pulp pump
- 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.)
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Abstract
The utility model provides a kind of Pulp pump, is related to centrifuging pump technical field.Including bracket, the bearing body being set on bracket, it is set to the main shaft being rotatedly connected in bearing body and with bearing body, one end of main shaft is provided with the pump housing being fixedly linked with bracket, the stuffing box being connected with main axis and the rear backplate for being set in the pump housing and being fixedly linked with the pump housing, stuffing box is set in the pump housing, stuffing box is provided with split (strip packing) gland close to the side of bracket, side of the stuffing box far from bracket is connected with rear backplate, the first gap for stuffing box radial floating is provided between stuffing box and the pump housing, the junction of stuffing box and rear backplate is provided with for the second gap of stuffing box radial floating.Pulp pump provided by the utility model using floating type stuffing box, is positioned with bracket, the pump housing without seam allowance, and when work is not likely to produce eccentric wear;With shaft room to neutral good, the replacement cycle of filler is long, and maintenance cost is few.
Description
Technical field
The utility model belongs to centrifugation pump technical field, is to be related to a kind of Pulp pump more specifically.
Background technology
Pulp pump (slurry pump) belongs to centrifugal pump from operation principle, refers in concept by by centrifugation
The effect of power (rotation of the impeller of pump) makes a kind of increased machinery of solid, liquid blending agent energy, converts electric energy to medium
The equipment of kinetic energy and potential energy.It is primarily adapted for use in:The industry fields such as mine, power plant, dredging, metallurgy, chemical industry, building materials and oil, slag
The title of stock pump is a kind of centrifugal pump divided from the angle of pumped (conveying) medium.
As shown in Figure 1, current Pulp pump stuffing box, is positioned between stuffing box and the pump housing by positioning spigot.Stuffing box
There are accumulated errors at bracket and the pump housing, the pump housing and stuffing box seam allowance cooperation, exist in stuffing box cavity and axle sleeve eccentric existing
As.This positioning shortcoming is to refill filler after installing stuffing box, and stuffing box cavity misaligns, and easily causes filler eccentric wear, influences the longevity
Life.
Utility model content
The purpose of this utility model is to provide a kind of Pulp pump, to solve stuffing box cavity in the prior art not
Centering easily causes filler eccentric wear, influences the technical issues of service life.
To achieve the above object, the technical solution adopted in the utility model is:A kind of Pulp pump is provided, including bracket, is set
The bearing body that is placed on the bracket is set to the main shaft being rotatedly connected in the bearing body and with the bearing body, the master
One end of axis is provided with the pump housing being fixedly linked with the bracket, the stuffing box being connected with the main axis and is set to described
The rear backplate being fixedly linked in the pump housing and with the pump housing, the stuffing box are set in the pump housing, and the stuffing box is close
The side of the bracket is provided with split (strip packing) gland, side of the stuffing box far from the bracket and the rear backplate phase
Even, it is provided between the stuffing box and the pump housing for the first gap of the stuffing box radial floating, the stuffing box
It is provided with the junction of the rear backplate for the second gap of the stuffing box radial floating.
Further, the stuffing box is fixedly connected with the rear backplate by screw.
Further, the stuffing box is connected by axle sleeve with the main axis, the stuffing box and the axle sleeve it
Between be provided with filler, the split (strip packing) gland is by the packing seal in the stuffing box.
Further, in the stuffing box far from the split (strip packing) gland side be provided with it is adjacent with the filler
Seal cage is provided with the sealing water interface being connected with the seal cage on the stuffing box.
Further, the axle sleeve is provided with easy-to-dismount stripping ring, the stripping ring close to one end of the bracket
It is sheathed on the main shaft, and is acted against on accessory impeller by the axle sleeve.
Further, the both ends of the bearing body are separately provided for the clutch shaft bearing gland and the second axis of fixing bearing
Pressure cap.
Further, the adjusting bolt for adjusting the main shaft axial position is provided on the bracket.
The advantageous effect of Pulp pump provided by the utility model is:Compared with prior art, the utility model pass through by
Stuffing box is set as floating structure, i.e., the first gap is set between stuffing box and the pump housing, in stuffing box and the company of rear backplate
Connect place the second gap of setting so that stuffing box has certain floating without generating eccentric wear;Floating type stuffing box and bracket, the pump housing without
Seam allowance positions, and first installs in stuffing box cavity and is integrally pushed into again after part, and connect with rear backplate, ensure that stuffing box and axle sleeve
Between to neutrality;The replacement cycle of filler is not only extended, has saved maintenance cost, and increase benefit.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of Pulp pump of the prior art;
Fig. 2 is the structure diagram of Pulp pump that the utility model embodiment provides;
Fig. 3 is the partial enlargement structural representation of region A in Fig. 2.
Wherein, each reference numeral in figure:
1- bearing bodies;2- brackets;3- main shafts;The 4- pump housings;5- stuffing boxes;6- rear backplates;7- split (strip packing) glands;8- first
Gap;The second gaps of 9-;10- axle sleeves;11- fillers;12- seal cages;13- seals water interface;14- stripping rings;15- clutch shaft bearings
Gland;16- second bearing glands;17- adjusting bolts;18- screws.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.Term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected;Can be that machinery connects
It connects or is electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
The orientation or position relationship of the instructions such as " on ", " under ", " top ", " bottom ", " interior ", " outer " it is to be appreciated that term
To be based on orientation shown in the drawings or position relationship, being for only for ease of description the utility model and simplifying description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot manage
It solves as the limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.
Also referring to Fig. 2 and Fig. 3, now Pulp pump provided by the utility model is illustrated.The Pulp pump, including
Bracket 2, is set to what is be rotatedly connected in the bearing body 1 and with the bearing body 1 at the bearing body 1 being set on the bracket 2
Main shaft 3, one end of the main shaft 3 are provided with the pump housing 4 being fixedly linked with the bracket 2, are filled out with what the main shaft 3 was rotatedly connected
Hopper 5 and the rear backplate 6 being fixedly linked in the pump housing 4 and with the pump housing 4 is set to, the stuffing box 5 is set to described
In the pump housing 4, the stuffing box 5 is provided with split (strip packing) gland 7 close to the side of the bracket 2, and the stuffing box 5 is far from described
The side of bracket 2 is connected with the rear backplate 6, is provided between the stuffing box 5 and the pump housing 4 for the stuffing box 5
The junction of first gap 8 of radial floating, the stuffing box 5 and the rear backplate 6 is provided with for the stuffing box 5 radially
The second gap 9 floated.
Pulp pump provided by the utility model compared with prior art, uses floating type stuffing box, i.e., stuffing box with
First gap between the pump housing is set, the second gap is set in the junction of stuffing box and rear backplate;Determine with bracket, the pump housing without seam allowance
Position first installs in stuffing box cavity whole push-in, and being connect with rear backplate again after part so that stuffing box have certain floating and
Do not generate eccentric wear;Not only ensure that stuffing box and shaft room to neutrality, extend the replacement cycle of filler, and saved dimension
Shield expense, improves productivity effect.
Further, also referring to Fig. 2 and Fig. 3, a kind of specific implementation as Pulp pump provided by the utility model
Mode, the stuffing box 5 are fixedly connected with the rear backplate 6 by screw 18.It is convenient to install and maintain, it is conveniently adjusted the filler
Between case 5 and the main shaft 3 to neutrality, be allowed to not generate eccentric wear, improve service life.
Further, also referring to Fig. 2 and Fig. 3, a kind of specific implementation as Pulp pump provided by the utility model
Mode, the stuffing box 5 are rotatedly connected by axle sleeve 10 and the main shaft 3, are set between the stuffing box 5 and the axle sleeve 10
There is filler 11, the filler 11 is sealed in the stuffing box 5 by the split (strip packing) gland 7.By setting the axle sleeve 10,
The abrasion of the main shaft 3 is effectively reduced, is prolonged the service life;Using 11 axle envelope of filler, immersion oil, the asbestos for soaking graphite are commonly used
Rope or the cotton yarn of braiding are made, simple in structure, cheap, easy to maintenance, save expensive mechanical seal expense.
Further, also referring to Fig. 2 and Fig. 3, a kind of specific implementation as Pulp pump provided by the utility model
Mode, the side far from the split (strip packing) gland 7 is provided with the seal cage adjacent with the filler 11 in the stuffing box 5
12, the sealing water interface 13 being connected with the seal cage 12 is provided on the stuffing box 5.Specifically, the main shaft 3 rotates
When drive high pressure water forms high-pressure water-ring at the seal cage 12, prevent liquid leakage in the pump housing 4, both strengthened described in
The sealing performance of filler 11, and cooling and lubricating action are played to the filler 11.
Further, also referring to Fig. 2 and Fig. 3, a kind of specific implementation as Pulp pump provided by the utility model
Mode, the axle sleeve 10 are provided with easy-to-dismount stripping ring 14 close to one end of the bracket 2, and the stripping ring 14 is sheathed on
On the main shaft 3, and acted against on accessory impeller by the axle sleeve 10.The stripping ring 14 is used to dismantle main impeller and accessory lobes
Wheel, during dismounting, it is necessary first to its internal hex bolts be dismantled, then three bolts on stripping ring again, then dismantled again
Then ring block above ring unclamps main impeller and accessory impeller at leisure again, dismounting in this way can be reduced in disassembly process to described
Damage caused by the pump housing 4.
Further, referring to Fig. 2, a kind of specific embodiment as Pulp pump provided by the utility model, described
The both ends of bearing body 1 are separately provided for the clutch shaft bearing gland 15 of fixing bearing and second bearing gland 16.
Further, referring to Fig. 2, a kind of specific embodiment as Pulp pump provided by the utility model, described
The adjusting bolt 17 for adjusting 3 axial position of main shaft is provided on bracket 2.Preferably, the adjusting bolt 17 is set
Between the bracket 2 and the bearing body 1, the axis of the main shaft 3 is adjusted by adjusting the axial position of the bearing body 1
It is easy to operate to position, it is easy to adjust.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. Pulp pump, it is characterised in that:Including bracket, the bearing body being set on the bracket, it is set in the bearing body
And the main shaft being rotatedly connected with the bearing body, one end of the main shaft be provided with the pump housing being fixedly linked with the bracket, with
The stuffing box and be set to the rear backplate being fixedly linked in the pump housing and with the pump housing that the main axis is connected, it is described to fill out
Hopper is set in the pump housing, and the stuffing box is provided with split (strip packing) gland, the filler close to the side of the bracket
Side of the case far from the bracket is connected with the rear backplate, is provided between the stuffing box and the pump housing and is filled out for described
The junction of first gap of hopper radial floating, the stuffing box and the rear backplate is provided with for the stuffing box radially
The second gap floated.
2. Pulp pump as described in claim 1, it is characterised in that:The stuffing box is fixed with the rear backplate by screw to be connected
It connects.
3. Pulp pump as claimed in claim 2, it is characterised in that:The stuffing box passes through axle sleeve and the main axis phase
Even, filler is provided between the stuffing box and the axle sleeve, the split (strip packing) gland fills out the packing seal in described
In hopper.
4. Pulp pump as claimed in claim 3, it is characterised in that:The one of the separate split (strip packing) gland in the stuffing box
Side is provided with the seal cage adjacent with the filler, and the sealing water being connected with the seal cage is provided on the stuffing box and is connect
Mouthful.
5. Pulp pump as claimed in claim 3, it is characterised in that:The axle sleeve is provided with close to one end of the bracket to be convenient for
The stripping ring of dismounting, the stripping ring are sheathed on the main shaft, and are acted against on accessory impeller by the axle sleeve.
6. Pulp pump as described in claim 1, it is characterised in that:The both ends of the bearing body are separately provided for fixing axle
The clutch shaft bearing gland and second bearing gland held.
7. Pulp pump as described in claim 1, it is characterised in that:It is provided on the bracket axial for adjusting the main shaft
The adjusting bolt of position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721638041.9U CN207513849U (en) | 2017-11-30 | 2017-11-30 | Pulp pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721638041.9U CN207513849U (en) | 2017-11-30 | 2017-11-30 | Pulp pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207513849U true CN207513849U (en) | 2018-06-19 |
Family
ID=62542445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721638041.9U Active CN207513849U (en) | 2017-11-30 | 2017-11-30 | Pulp pump |
Country Status (1)
Country | Link |
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CN (1) | CN207513849U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110145498A (en) * | 2019-06-14 | 2019-08-20 | 石家庄开发区石泵泵业有限公司 | A kind of pump L-type sealing centring means and its application method |
-
2017
- 2017-11-30 CN CN201721638041.9U patent/CN207513849U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110145498A (en) * | 2019-06-14 | 2019-08-20 | 石家庄开发区石泵泵业有限公司 | A kind of pump L-type sealing centring means and its application method |
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