CN105840522A - Slurry pump for building construction - Google Patents
Slurry pump for building construction Download PDFInfo
- Publication number
- CN105840522A CN105840522A CN201610181096.5A CN201610181096A CN105840522A CN 105840522 A CN105840522 A CN 105840522A CN 201610181096 A CN201610181096 A CN 201610181096A CN 105840522 A CN105840522 A CN 105840522A
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- China
- Prior art keywords
- pump
- impeller
- pump housing
- pump cover
- transmission shaft
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a slurry pump for building construction. The slurry pump comprises a pump body; the inner side in the longitudinal direction and the outer side in the longitudinal direction of the pump body are each in a circular arc shape, the upper end and the lower end of the pump body are both provided with openings, and an impeller is installed in the pump body; the middle of the impeller is provided with a protrusion, the upper end of the impeller is flush with the opening in the upper end of the pump body, and the lower end of the impeller is flush with the opening in the lower end of the pump body; the impeller is internally provided with a slurry conveying channel, and openings are formed in the positions, at the two ends of the impeller, of the slurry conveying channel; the right side surface of the pump body is provided with a transverse feeding inlet which right faces the protrusion on the impeller and communicates with the slurry conveying channel in the impeller, and the left side surface of the pump body is provided with a connection hole; and a connector on the left side of the impeller is connected to the connection hole in a clamped mode. and a transmission shaft penetrates through the connection hole from the left side and then is fixedly connected with the impeller. According to the slurry pump for building construction, the pumping flow is increased, vibration and noise during equipment operating are reduced, meanwhile, friction is reduced, and the equipment failure rate is decreased.
Description
Technical field
The present invention relates to a kind of building implement, a kind of Pulp pump for construction, belong to construction engineering technical field.
Background technology
Water pump electricity consumption proportion in the total electricity of country is very big, and the Energy-saving Situation of water pump is to national economy important, and water pump not only plays positive role in energy-conservation link, also plays an important role in thermal power generation reduces discharging flow process.And water pump is in addition to drawing water, it is also possible to body of bleeding, solid, solid-liquid mixture, therefore Pulp pump arises at the historic moment.
Pulp pump refers to carry the pump containing suspended solids in liquid (water), it belongs to the one of centrifugal pump from operation principle, it refers to a kind of machinery by making solid, liquid blending agent energy increase by the effect of centrifugal force (rotation of the impeller of pump) in concept, and converts electric energy to the kinetic energy of medium and the equipment of potential energy.Now Pulp pump is mainly used in the industry fields such as mine, power plant, bridge construction, metallurgy, chemical industry, building materials and oil at present.Pulp pump can also specifically divide dissimilar, such as from different perspectives: divides from impeller number: single-stage Pulp pump and Multi-stage slag-slurry pump；Divide with horizontal plane position from pump shaft: Horizontal slurry pump and vertical slag slurry pump；Model split from sucking water inlet: single suction Pulp pump and double suction Pulp pump；From the frame mode of pump case: monoshell Pulp pump and bivalve Pulp pump.Pulp pump is not only more energy-conservation 4%-8% than like product, and can also depart from haze " devil's talon " for air and contribute, and it is currently one of equipment important in ore dressing, each technological process of coal preparation plant.Its basic structure of the most current Pulp pump is by impeller, pump case, pump shaft, bearing and bracket composition, power includes motor, to wheel or belt pulley shaft coupling etc., its operation principle is: when impeller quick rotation, blade promotes medium quickly to rotate, the medium being rotating flies out under the influence of centrifugal force from impeller, after medium in pump is spilled over, the core of impeller forms vacuum area, medium has been pressed onto in feed pipe by pipe network under the effect of atmospheric pressure (or hydraulic pressure), so circulation is endlessly, just can realize continuous feeding, thus reach lift and the flow of production engineering specifications.But, existing current Pulp pump, owing to using old-fashioned design, the most usually there will be the problem that pump discharge is not enough, and is attended by filler leakage, and noise during work is the biggest, and the service life the most also causing equipment is shorter, and maintenance cost is higher.
Summary of the invention
For above-mentioned deficiency of the prior art, present invention is primarily targeted at the Pulp pump solving existing present problems due to structure design aging, cause pump discharge not enough, and the problem that work noise is bigger, and provide a kind of and be obtained in that bigger pump discharge, and sealing is preferable, the Pulp pump for construction that operating noise is less.
Technical scheme: a kind of Pulp pump for construction, it is characterized in that, including the pump housing, described pump housing inner side along the longitudinal direction and outside along the longitudinal direction are circular arc, being equipped with opening in the upper end of the pump housing and the lower end of the pump housing, be provided with impeller in the described pump housing, the middle part of described impeller is provided with a projection, the upper end of impeller is concordant with pump housing upper end open, and the lower end of impeller is concordant with the opening of pump housing lower end；Defeated slurry passage it is provided with in described impeller, described defeated slurry passage is respectively formed opening at the two ends of impeller, right flank at the pump housing is provided with horizontal charging aperture, described charging aperture is the most right with the projection on impeller, described charging aperture and the defeated slurry channel connection on impeller, left surface at the described pump housing is provided with connecting hole, and the union joint on the left of impeller is connected to described connection hole, and power transmission shaft is fixing with impeller after left side passes described connecting hole to be connected；In the upper end of the pump housing, pump cover is installed, in the lower end of the pump housing, lower pump cover is installed, described upper pump cover is made up of upper left pump cover and upper right pump cover, described upper left pump cover is fixed with the pump housing by the first bolt, upper right pump cover is fixed with the pump housing by the second bolt, being provided with outlet pad between upper left pump cover and upper right pump cover, described lower pump cover is made up of lower-left pump cover and bottom right pump cover, and described lower-left pump cover is fixed by pump housing Stud connection with bottom right pump cover；Described charging aperture is also equipped with inlet stub, the intracavity diameter of described inlet stub is equal with the intracavity diameter of charging aperture, the inner top side of inlet stub is fixed with upper right pump cover by the 3rd bolt, it is additionally provided with convex annular edge on the outer side edges edge of inlet stub, described convex annular edge is provided with the first hole, location；On the pump housing, rear side along the longitudinal direction is additionally provided with discharging opening, the opening of described discharging opening is vertically arranged, the defeated slurry passage of described impeller connects with discharging opening after wheel rotation, discharging opening is provided with outlet stubs, the internal diameter of described outlet stubs is equal with the internal diameter of discharging opening, the right side of described outlet stubs is connected by the 4th bolt and the pump housing are fixing, the front end of outlet stubs passes on left that left lifting bolt and upper left pump cover are fixing to be connected, is fixed by right lifting bolt and upper right pump cover and be connected on the right side of the front end of outlet stubs；Upper jacket it is also equipped with inside pump cover on described, inside lower pump cover, lower jacket is installed, described upper jacket and lower jacket are hemispherical dome structure, described upper jacket is fixed at the upper end open of the pump housing, lower jacket is fixed at the lower ending opening of the pump housing, between upper jacket and the pump housing, it is provided with an O RunddichtringO, between lower jacket and the pump housing, is provided with the 2nd O RunddichtringO；Described power transmission shaft is cased with the stuffing box of disc-shape, it is provided with groove on the right side of described stuffing box, the upper end of described stuffing box is connected between upper left pump cover and the pump housing, the lower end of stuffing box is connected between lower-left pump cover and the pump housing, axle sleeve it is additionally provided with between stuffing box and power transmission shaft, described axle sleeve is connected with transmission shaft bond, filler cavity is formed between stuffing box and axle sleeve, it is cased with gland in the left side of axle sleeve, seal cage it is cased with on the right side of axle sleeve, described gland is sealedly connected on the left side of filler cavity, the lower end of gland is fixed with stuffing box by the 5th bolt, seal cage is sealedly connected on the rear side of filler cavity, stuffing box is also equipped with loading pipe, described loading pipe connects with seal cage；Backplate after being also cased with on described power transmission shaft, described rear backplate is located between stuffing box and the pump housing, and the 3rd O RunddichtringO that passes on left of described rear backplate is connected with sleeve sealing, and the right side of rear backplate is connected with impeller seals by the 4th O RunddichtringO；Bracket also it is cased with at the middle part of described power transmission shaft, the two ends of described bracket are all connected with power transmission shaft by bearing, the right side of described bracket is connected by the 6th bolt and lower-left pump cover are fixing, and the lower end of bracket is fixed on base, is provided with rolling bearing between described bracket and axle sleeve；Also being cased with yielding coupling on power transmission shaft on the left of described bracket, described yielding coupling is connected with transmission shaft bond, is additionally provided with the second hole, location in the outside of described yielding coupling.
Optimally, between described charging aperture and inlet stub, entrance pad it is additionally provided with.Pump housing charging aperture and inlet stub friction when mounted can be reduced by installing entrance pad, the noise of operationally metal bump can also be reduced simultaneously.
Optimally, being also cased with limited block in the middle part of described pump housing stud, described limited block stretches into inside lower pump cover and contacts with the spacing preiection bottom lower jacket.Can lower jacket be carried out spacing here by installing limited block, the deflection preventing from it operationally causing owing to impulsive force is too big and displacement.
Optimally, it is also equipped with protection board at described pallet top.Pallet top can be effectively protected by described protection board, reduce abrasion.
Optimally, being further fixed on antiskid plate on the right side of described bracket, the lower end of described antiskid plate is connected on clamp, and described clamp is enclosed within power transmission shaft, and the right side of described clamp pushes against with rolling bearing.In the present invention, antiskid plate can play cushioning effect between bracket and axle sleeve, also avoids bracket to cause the rotation of axle sleeve owing to rotator inertia is too big simultaneously.
Relative to prior art, the method have the advantages that
1, improve pump discharge: the Pulp pump of the present invention is optimized process to internal pipeline, on the one hand have employed less delivery head, pump discharge is improved by reducing pipe internal resistance, on the other hand the design of axle and filling case concentric is used, installation accuracy is improved, better tightness, it also avoid the leakage of filler simultaneously.
2, reducing vibration when equipment works and noise: owing to the structure of impeller more balances, the gap of bearing reduces simultaneously, therefore more uniform when air inlet, thus reduces vibration and the noise of equipment.
3, reduce friction, reduce equipment failure rate so that the service life of equipment extends, and also reduces the maintenance cost of equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Pulp pump for construction of the present invention.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of Pulp pump for construction, including the pump housing 1, the described pump housing 1 inner side along the longitudinal direction and outside along the longitudinal direction are circular arc, being equipped with opening in the lower end of the upper end of the pump housing 1 and the pump housing 1, be provided with impeller 2 in the described pump housing 1, the middle part of described impeller 2 is provided with a projection 3, the upper end of impeller 2 is concordant with the pump housing 1 upper end open, and the lower end of impeller 2 is concordant with the opening of the pump housing 1 lower end；Defeated slurry passage 4 it is provided with in described impeller 2, described defeated slurry passage 4 is respectively formed opening at the two ends of impeller 2, right flank at the pump housing 1 is provided with horizontal charging aperture 5, described charging aperture 5 is the most right with the projection 3 on impeller 2, described charging aperture 5 connects with the defeated slurry passage 4 on impeller 2, left surface at the described pump housing 1 is provided with connecting hole 6, and the union joint 7 on the left of impeller 2 is connected at described connecting hole 6, and power transmission shaft 8 is fixing with impeller 2 after left side passes described connecting hole 6 to be connected；In the upper end of the pump housing 1, pump cover is installed, in the lower end of the pump housing 1, lower pump cover is installed, described upper pump cover is made up of upper left pump cover 9 and upper right pump cover 10, described upper left pump cover 9 is fixed with the pump housing 1 by the first bolt 11, upper right pump cover 10 is fixed with the pump housing 1 by the second bolt 12, being provided with outlet pad 13 between upper left pump cover 9 and upper right pump cover 10, described lower pump cover is made up of lower-left pump cover 14 and bottom right pump cover 15, and described lower-left pump cover 14 is connected fixing with bottom right pump cover 15 by pump housing stud 16；Described charging aperture 5 is also equipped with inlet stub 17, the intracavity diameter of described inlet stub 17 is equal with the intracavity diameter of charging aperture 5, the inner top side of inlet stub 17 is fixed with upper right pump cover 10 by the 3rd bolt 18, in the outer side edges of inlet stub 17 along being additionally provided with convex annular along 19, along 19, it is provided with the first hole, location 20 in described convex annular；On the pump housing 1, rear side along the longitudinal direction is additionally provided with discharging opening 21, the opening of described discharging opening 21 is vertically arranged, the defeated slurry passage 4 of described impeller 2 connects with discharging opening 21 after impeller 2 rotates, discharging opening 21 is provided with outlet stubs 22, the internal diameter of described outlet stubs 22 is equal with the internal diameter of discharging opening 21, the right side of described outlet stubs 22 is connected by the 4th bolt 23 is fixing with the pump housing 1, the front end of outlet stubs 22 passes on left that left lifting bolt 24 and upper left pump cover 9 is fixing to be connected, it is connected by right lifting bolt 25 is fixing with upper right pump cover 10 on the right side of the front end of outlet stubs 22；Upper jacket 26 it is also equipped with inside pump cover on described, lower jacket 27 is installed inside lower pump cover, described upper jacket 26 and lower jacket 27 are hemispherical dome structure, described upper jacket 26 is fixed at the upper end open of the pump housing 1, lower jacket 27 is fixed at the lower ending opening of the pump housing 1, between upper jacket 26 and the pump housing 1, it is provided with an O RunddichtringO 28, between lower jacket 27 and the pump housing 1, is provided with the 2nd O RunddichtringO 29；nullDescribed power transmission shaft 8 is cased with the stuffing box 30 of disc-shape，It is provided with groove on the right side of described stuffing box 30，The upper end of described stuffing box 30 is connected between upper left pump cover 9 and the pump housing 1，The lower end of stuffing box 30 is connected between lower-left pump cover 14 and the pump housing 1，Axle sleeve 31 it is additionally provided with between stuffing box 30 and power transmission shaft 8，Described axle sleeve 31 is bonded with power transmission shaft 8，Filler cavity 32 is formed between stuffing box 30 and axle sleeve 31，It is cased with gland 33 in the left side of axle sleeve 31，Seal cage 34 it is cased with on the right side of axle sleeve 31，Described gland 33 is sealedly connected on the left side of filler cavity 32，The lower end of gland 33 is fixed with stuffing box 30 by the 5th bolt 35，Seal cage 34 is sealedly connected on the rear side of filler cavity 32，Stuffing box 30 is also equipped with loading pipe 36，Described loading pipe 36 connects with seal cage 34；Backplate 37 after being also cased with on described power transmission shaft 8, described rear backplate 37 is located between stuffing box 30 and the pump housing 1, the 3rd O RunddichtringO 38 that passes on left of described rear backplate 37 is tightly connected with axle sleeve 31, and the right side of rear backplate 37 is tightly connected with impeller 2 by the 4th O RunddichtringO 39；Bracket 40 also it is cased with at the middle part of described power transmission shaft 8, the two ends of described bracket 40 are all connected with power transmission shaft 8 by bearing, the right side of described bracket 40 is connected by the 6th bolt 41 is fixing with lower-left pump cover 14, the lower end of bracket 40 is fixed on base 42, is provided with rolling bearing 43 between described bracket 40 and axle sleeve 31；Also being cased with yielding coupling 44 on power transmission shaft 8 on the left of described bracket 40, described yielding coupling 44 is bonded with power transmission shaft 8, is additionally provided with the second hole, location 45 in the outside of described yielding coupling 44.
See Fig. 1, in the present invention, between described charging aperture 5 and inlet stub 17, be additionally provided with entrance pad 46.Also being cased with limited block 47 in the middle part of described pump housing stud 16, described limited block 47 stretches into inside lower pump cover and contacts with the spacing preiection 48 bottom lower jacket 27.It is also equipped with protection board 49 at described bracket 40 top.Being further fixed on antiskid plate 50 on the right side of described bracket 40, the lower end of described antiskid plate 50 is connected on clamp 51, and described clamp 51 is enclosed within power transmission shaft 8, and the right side of described clamp 51 pushes against with rolling bearing 43.
Operation principle: the Pulp pump of the present invention sends into slurry by charging aperture, then rotated by power transmission shaft impeller, when the position of the correspondence that impeller rotates, defeated slurry passage in impeller connects with discharging opening, so that slurry is output from discharging opening, due to the continuous rotation of impeller, thus reach the purpose of quickly discharging.Simultaneously as impeller forms the state close to vacuum in the pump housing when rotating, air pressure reduces, therefore by the effect of air pressure, it is possible to promotes serosity output, thus avoids resulting in blockage at discharging opening.Focusing on sealing effectiveness in the present invention, can be provided the job stability of power transmission shaft by stuffing box simultaneously and support, overall job stability is the best, can be relatively strong with power, and noise during work is also obviously reduced.
It should be noted that, above example is only in order to illustrate technical solution of the present invention rather than restriction technologies scheme, although the present invention is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those amendments that technical solution of the present invention is carried out or equivalent, objective and the scope of the technical program can not be departed from, all should contain in the middle of scope of the invention as claimed.
Claims (5)
1. the Pulp pump for construction, it is characterized in that, including the pump housing (1), the described pump housing (1) inner side along the longitudinal direction and outside along the longitudinal direction are circular arc, it is equipped with opening in the lower end of the upper end of the pump housing (1) and the pump housing (1), impeller (2) is installed in the described pump housing (1), the middle part of described impeller (2) is provided with a projection (3), the upper end of impeller (2) is concordant with the pump housing (1) upper end open, and the lower end of impeller (2) is concordant with the opening of the pump housing (1) lower end；Defeated slurry passage (4) it is provided with in described impeller (2), described defeated slurry passage (4) is respectively formed opening at the two ends of impeller (2), right flank at the pump housing (1) is provided with horizontal charging aperture (5), described charging aperture (5) is the most right with the projection (3) on impeller (2), described charging aperture (5) connects with the defeated slurry passage (4) on impeller (2), left surface at the described pump housing (1) is provided with connecting hole (6), the union joint (7) in impeller (2) left side is connected to described connecting hole (6) place, power transmission shaft (8) is connected from left side through described connecting hole (6) is fixing with impeller (2) afterwards；In the upper end of the pump housing (1), upper pump cover is installed, in the lower end of the pump housing (1), lower pump cover is installed, described upper pump cover is made up of upper left pump cover (9) and upper right pump cover (10), described upper left pump cover (9) is fixed with the pump housing (1) by the first bolt (11), upper right pump cover (10) is fixed with the pump housing (1) by the second bolt (12), outlet pad (13) is installed between upper left pump cover (9) and upper right pump cover (10), described lower pump cover is made up of lower-left pump cover (14) and bottom right pump cover (15), described lower-left pump cover (14) is connected fixing with bottom right pump cover (15) by pump housing stud (16)；Described charging aperture (5) is also equipped with inlet stub (17), the intracavity diameter of described inlet stub (17) is equal with the intracavity diameter of charging aperture (5), the inner top side of inlet stub (17) is fixed with upper right pump cover (10) by the 3rd bolt (18), it is additionally provided with convex annular edge (19) on the outer side edges edge of inlet stub (17), along (19), is provided with the first hole, location (20) in described convex annular；On the pump housing (1), rear side along the longitudinal direction is additionally provided with discharging opening (21), the opening of described discharging opening (21) is vertically arranged, the defeated slurry passage (4) of described impeller (2) connects with discharging opening (21) after impeller (2) rotates, discharging opening (21) is provided with outlet stubs (22), the internal diameter of described outlet stubs (22) is equal with the internal diameter of discharging opening (21), the right side of described outlet stubs (22) is connected by the 4th bolt (23) and the pump housing (1) are fixing, the front end of outlet stubs (22) passes on left that left lifting bolt (24) and upper left pump cover (9) are fixing to be connected, it is connected by right lifting bolt (25) and upper right pump cover (10) are fixing on the right side of the front end of outlet stubs (22)；Upper jacket (26) it is also equipped with inside pump cover on described, lower jacket (27) is installed inside lower pump cover, described upper jacket (26) and lower jacket (27) are hemispherical dome structure, described upper jacket (26) is fixed at the upper end open of the pump housing (1), lower jacket (27) is fixed at the lower ending opening of the pump housing (1), between upper jacket (26) and the pump housing (1), it is provided with an O RunddichtringO (28), between lower jacket (27) and the pump housing (1), is provided with the 2nd O RunddichtringO (29)；nullDescribed power transmission shaft (8) is cased with the stuffing box (30) of disc-shape，It is provided with groove on the right side of described stuffing box (30)，The upper end of described stuffing box (30) is connected between upper left pump cover (9) and the pump housing (1)，The lower end of stuffing box (30) is connected between lower-left pump cover (14) and the pump housing (1)，Axle sleeve (31) it is additionally provided with between stuffing box (30) and power transmission shaft (8)，Described axle sleeve (31) is bonded with power transmission shaft (8)，Filler cavity (32) is formed between stuffing box (30) and axle sleeve (31)，It is cased with gland (33) in the left side of axle sleeve (31)，It is cased with seal cage (34) on axle sleeve (31) right side，Described gland (33) is sealedly connected on the left side of filler cavity (32)，The lower end of gland (33) is fixed with stuffing box (30) by the 5th bolt (35)，Seal cage (34) is sealedly connected on the rear side of filler cavity (32)，Stuffing box (30) is also equipped with loading pipe (36)，Described loading pipe (36) connects with seal cage (34)；Described power transmission shaft (8) is also cased with rear backplate (37), described rear backplate (37) is located between stuffing box (30) and the pump housing (1), the 3rd O RunddichtringO (38) that passes on left of described rear backplate (37) is tightly connected with axle sleeve (31), and the right side of rear backplate (37) is tightly connected with impeller (2) by the 4th O RunddichtringO (39)；Bracket (40) also it is cased with at the middle part of described power transmission shaft (8), the two ends of described bracket (40) are all connected with power transmission shaft (8) by bearing, the right side of described bracket (40) is connected by the 6th bolt (41) and lower-left pump cover (14) are fixing, the lower end of bracket (40) is fixed on base (42), is provided with rolling bearing (43) between described bracket (40) and axle sleeve (31)；Also being cased with yielding coupling (44) on the power transmission shaft (8) in described bracket (40) left side, described yielding coupling (44) is bonded with power transmission shaft (8), is additionally provided with the second hole, location (45) in the outside of described yielding coupling (44).
A kind of Pulp pump for construction the most according to claim 1, it is characterised in that be additionally provided with entrance pad (46) between described charging aperture (5) and inlet stub (17).
A kind of Pulp pump for construction the most according to claim 2, it is characterized in that, also being cased with limited block (47) at described pump housing stud (16) middle part, described limited block (47) stretches into inside lower pump cover and contacts with the spacing preiection (48) of lower jacket (27) bottom.
A kind of Pulp pump for construction the most according to claim 3, it is characterised in that be also equipped with protection board (49) at described bracket (40) top.
A kind of Pulp pump for construction the most according to claim 4, it is characterized in that, it is further fixed on antiskid plate (50) on described bracket (40) right side, the lower end of described antiskid plate (50) is connected on clamp (51), described clamp (51) is enclosed within power transmission shaft (8), and the right side of described clamp (51) pushes against with rolling bearing (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181096.5A CN105840522A (en) | 2016-03-28 | 2016-03-28 | Slurry pump for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181096.5A CN105840522A (en) | 2016-03-28 | 2016-03-28 | Slurry pump for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840522A true CN105840522A (en) | 2016-08-10 |
Family
ID=56583921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181096.5A Pending CN105840522A (en) | 2016-03-28 | 2016-03-28 | Slurry pump for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049804A (en) * | 2020-07-25 | 2020-12-08 | 三联泵业股份有限公司 | Wear-resistant corrosion-resistant rubber-lined slurry pump |
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| CN205078456U (en) * | 2015-10-27 | 2016-03-09 | 石家庄栾兴泵业有限公司 | Two shell sediment stuff pumps |
| CN205078455U (en) * | 2015-10-27 | 2016-03-09 | 石家庄栾兴泵业有限公司 | Composite seal formula sediment stuff pump |
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