CN103277296B - The wear parts of concrete pump and concrete pumping equipment - Google Patents
The wear parts of concrete pump and concrete pumping equipment Download PDFInfo
- Publication number
- CN103277296B CN103277296B CN201310092537.0A CN201310092537A CN103277296B CN 103277296 B CN103277296 B CN 103277296B CN 201310092537 A CN201310092537 A CN 201310092537A CN 103277296 B CN103277296 B CN 103277296B
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- Prior art keywords
- piece
- ring
- wear parts
- concrete
- pump
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses wear parts and the concrete pumping equipment of a kind of concrete pump.This wear parts can be cheater plate or cut ring, including body, described body is provided with perforate, described body is also welded with multiple first piece and multiple second piece on the side bear friction, the plurality of first piece is spliced to form the first ring being centered around outside described perforate, and described second piece is spliced to form the second ring being centered around outside described first ring.Overlay cladding can also be set on this wear parts.The present invention uses the split-type structural of dicyclo (polycyclic), has that wearability is good, good sealing effect, weld strength advantages of higher.
Description
Technical field
The invention mainly relates to engineering machinery and part field thereof, specifically, relate to a kind of coagulation
The wear parts of soil pump, and it is provided with the concrete pumping equipment of this wear parts.
Background technology
Cheater plate and cut ring are the wear parts of concrete pump, are also the crucial rapid wears zero of concrete pump
Parts, cheater plate is installed on the rear wall plate of hopper, and it typically offers 2 perforates, respectively
Connect with conveying cylinder；Cut ring is installed on S valve, and it offers 1 perforate.At pumpdown
Time, S valve swings, and the perforate of cut ring alternately connects with the perforate of cheater plate.This pumping procedure
In, bear bigger frictional force and impulsive force between cheater plate and cut ring, its wearability, close
Envelope property and service life always affect the important indicator of pumping equipment overall quality.
Cheater plate on market, cut ring major part are first build-up wear-resistant layers on quality carbon steel, then inlay
The weldering hard alloy domain.The subject matter of this technique is that domain carbide quartz welding stress is big
, rosin joint is serious, the most easily occurs collapsing block phenomenon；Next to that overlay cladding secondary is subject to
Heat, surfacing hardness and wearability decline substantially, cause overlay cladding premature wear, and body is drawn
Sky, is hit brittle failure and lost efficacy after alloy hoop is exposed.
Technical staff also develops " L-type " of segmented, " Z-type " cheater plate or cut ring, runner
Inner ring overlay cladding height reduces, and even cancels, it is to avoid the inefficacy caused because overlay cladding abrasion
, it is possible to prevent the washing away of concrete, the extrusion of mortar is revealed, and improves sealing.But its
Welding usability is poor, unstable product quality, initial failure easily occurs, have impact on concrete
Normal pumpdown.And the adjacent part at inlaid type hard alloy blocks is easily generated alloy point
Angle, affects serviceability.
Therefore, how reduced eye runner plate or the manufacturing process of cut ring, and improve its structural stability,
It is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, it is an object of the invention to provide the wear parts of a kind of concrete pump, can improve
Welding usability during making, it is to avoid the generation of hard alloy wedge angle, overcomes prior art quality
Unstable defect.
The wear parts of the concrete pump of the present invention, including body, described body is provided with perforate, institute
State body on the side bear friction, be also welded with multiple first piece and multiple second piece,
The plurality of first piece is spliced to form the first ring being centered around outside described perforate, and described second spells
Block is spliced to form the second ring being centered around outside described first ring.
Further, described body is provided with the cannelure being positioned at described perforate outer rim, described first
Piece and the second piece are welded in described cannelure.
Further, wall and/or the described outer body of described perforate is provided with overlay cladding.
Further, the weld seam between adjacent first piece and the weld seam between adjacent second piece are mutual
Stagger.
Further, described body being also welded with multiple 3rd piece, the plurality of 3rd piece is spelled
Connect formation and be centered around the 3rd ring outside described second ring.
Further, described body is made up of carbon steel, and/or, described first piece and the second piece by
Hard alloy is made.
Further, the quantity of described first piece is 8-16 block, and/or, the number of described second piece
Amount is 8-16 block.
Further, described wear parts is cheater plate or cut ring.
Another aspect of the present invention, also provides for a kind of concrete pumping equipment, is provided with aforementioned arbitrary
The wear parts of the concrete pump of item.
Further, described concrete pumping equipment is pump truck, Vehicle loaded pump or drags pump.
The wear-resistant surface of the wear parts of the present invention uses the split-type structural of dicyclo (polycyclic), as interior
First ring of circle can play effect that is wear-resisting and that seal, and the second ring as outer ring can play support
Protection and filtration sandstone effect.
Compared with prior art, the first split type ring and the second ring cover whole wear-resistant surface, the thinnest
Weakness, it is to avoid because of the defect that body is emptied, overlay cladding adds quick-wearing and lost efficacy, has wear-resisting
Property is good, service life length advantage.
Additionally, due to the weld seam of the weld seam of the first ring and the second ring mutually staggers, adjacent weld seam does not connects
, when pumping and washing pump operation, good dislocation sealing effectiveness can be played；And by this knot
The effect of structure interlocking, can make wear-resistant surface have higher bearing capacity and impact resistance, wear-resisting
Face collapses the danger of block inefficacy and is substantially reduced.
And, present invention, avoiding " L-shaped " of prior art or domain structure floor and corner solder not
Jail, the drawback that soldering stress is big, wear-resistant surface alloy easily collapses block, its bottom surface and side firm welding
, weld strength is high, strong shock resistance.
It addition, present configuration is simple, can avoid producing the alloy wedge angle of prior art, manufacture craft
Simply, advantage of lower cost, manufacturability is strong, is suitable for automatic continuous production.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, the present invention
Schematic description and description be used for explaining the present invention, be not intended that the present invention is improper
Limit.In the accompanying drawings:
Fig. 1 is the structural representation of the cut ring of one embodiment of the invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the structural representation of the cheater plate of one embodiment of the invention.
Description of reference numerals:
1 body
10 perforates
21 first pieces
22 second pieces
3 overlay claddings
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in the present invention and embodiment
Feature can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail
。
Being the structural representation of one embodiment of the invention shown in Fig. 1 and Fig. 2, wear parts is cut ring.
The cut ring of this embodiment is installed on S valve, in concrete pumping equipment.This cut ring bag
Including body 1, body 1 is provided with perforate 10, and also is also welded with multiple first spelling on body 1
Block 21 and multiple second piece 22, multiple first pieces 21 are spliced to form and are centered around outside perforate 10
First ring, the second piece 22 is spliced to form the second ring being centered around outside the first ring, the first piece 21
It is positioned at cut ring with the second piece 22 and bears the side of friction.
Owing to being provided with inside and outside two ring shape pieces, the first ring as inner ring can rise wear-resisting and seal
Effect, support protection can be played as the second ring of outer ring and filter sandstone effect, and can subtract
Few body 1 area.
First piece 21 and the second piece 22 can pass through hard solder (such as silver-base solder, copper base solder, nickel
Base solder) welding-on is on body 1, and the first piece 21 and the second piece 22 are preferably by hard alloy system
Becoming, the hardness of hard alloy material is preferably HRA82-90.Additionally, body material selection machine adds
(high-quality) carbon steel good with brazing property, it acts primarily as support protective effect.
It should be noted that the wear-resistant surface of the cut ring of previous embodiment uses the split-type structural of dicyclo
, it is also possible to formed such as polycyclic split-type structurals such as three rings, Fourth Rings.With three ring split-type structurals it is
Example, the most also can also be welded with multiple 3rd piece on body 1, and multiple 3rd pieces are spliced to form
The 3rd ring being centered around outside the second ring.
In order to ensure welding quality, it is also carried out soldering between the first adjacent piece 21 and fixes, and keep
The gap of 0.1-1mm, as weld seam, can be covered with solder (soldering paste or weld tabs) in this gap, in order to
In putting into, soldering oven carries out soldering.In order to take into account welding quality and welding efficiency, preferably first
The quantity of piece 21 is 8-16 block.Similarly, the quantity of the second piece 22 can also be 8-16 block
, and between the second adjacent piece 22, keep weld seam.
Further, it is preferable between weld seam and adjacent second piece 22 between adjacent first piece 21
Weld seam mutually staggers so that adjacent weld seam does not connects, and when pumping and washing pump operation, can play
Good dislocation
Sealing effectiveness；And by the effect of this structural interlock, wear-resistant surface can be made to have higher carrying
Ability and impact resistance, wear-resistant surface collapses the danger of block inefficacy and is substantially reduced.
Aforementioned first piece 21 and the second piece 22 can float on the upside of body 1, preferably such as Fig. 1 and Tu
Shown in 2, the first piece 21 and the second piece 22 are embedded on body 1.Correspondingly, on body 1
Being provided with cannelure, cannelure is arranged at perforate 10 outer rim, the first piece 21 and the second piece 22
It is welded in cannelure.
For protecting matrix and wear-resistant surface further, improve workpiece wearability and service life, in perforate
It is provided with overlay cladding 3 outside the wall of 10 and/or body 1.Can be 2 at corresponding side built-up welding thickness
The build-up wear-resistant welding rod of-6mm, overlay cladding 3 hardness is preferably HRC55-65.
For the cut ring of previous embodiment, its manufacturing process is referred to following steps:
The first step offers cannelure on body 1, for welding-on the first piece 21 and the second piece 22；
Second step adds profiling weld tabs in cannelure, and first piece the 21, second piece 22 is along ring
Shape groove is spliced into the first ring and the second ring respectively, and the gap location of adjacent tiles is covered with solder (soldering paste
Or weld tabs)；
The body 1 assembled is put in soldering oven (continuous atmosphere protection soldering oven or vacuum by the 3rd step
Soldering oven) it is heated to brazing temperature, slow cooling of coming out of the stove is to 150 DEG C-250 DEG C；
Body 1 good for soldering is placed on the weldering of automatic surfacing special plane enterprising windrow by the 4th step, and overlay cladding 3 is thick
Degree ensures at 2-6mm, and insulation slow cooling is to room temperature；
5th step carries out follow-up machine to the workpiece that soldering is good and adds, and completes the manufacture of cut ring.
The manufacture method of this embodiment is suitable for high-volume atmosphere protection soldering and vacuum automatic brazing continuously,
Bottom surface welded rate is high, welding quality stable, workpiece wearability and good airproof performance.
Additionally, on the one hand a part of stress can be absorbed in aforementioned manufacture process, it is simple to soldering, built-up welding
The release of stress；On the other hand there is certain cushioning effect, improve the shock resistance of workpiece.
Being the structural representation of one embodiment of the invention shown in Fig. 3, wear parts is cheater plate.With aforementioned
The embodiment of cut ring is identical, is welded with multiple first piece 21 with many on the body 1 of cheater plate
Individual second piece 22, and it is spliced into the first ring being positioned at inner ring and the second ring being positioned at outer ring respectively
.Additionally, also overlay cladding 3 can be provided with outside the wall of perforate 10 and/or body 1.Each identical portions
Divide the explanation being referred to previous embodiment, do not repeat them here.
Except for the difference that, for cut ring, it is provided with a perforate 10, according to its body construction
, the first ring that the first piece 21 is spliced into and the second ring that the second piece 22 is spliced into are annulus
Structure.And for cheater plate, it is provided with two perforates 10, according to its body construction,
First piece 21 can be spliced into two the first rings, and the first ring is circular ring structure；Second piece 22 is spelled
Being connected into two the second rings, the inner side of the second ring is circular, and outside cheater plate to be correspondingly formed
The bridge of the nose and liner plate, the quantity of the preferably second piece 22 is 10-20 block.
Aforementioned cut ring or cheater plate are the wear parts of concrete pump, except the cutting of previous embodiment
Outside ring and cheater plate, the present invention also provides for the mixed of a kind of wear parts being provided with previous embodiment
Solidifying soil pumping equipment.This concrete pumping equipment can include hopper and S valve, and cheater plate is installed on
On the rear wall plate of hopper, perforate 10 thereon connects with conveying cylinder respectively；Cut ring is installed on S valve
On.When pumpdown, S valve swings, the perforate 10 of cut ring alternately with the perforate of cheater plate
10 connections.Other structure of this concrete pumping equipment is referred to prior art.This concrete
Pumping equipment can be pump truck, Vehicle loaded pump, drag pump or other possible equipment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all
Within protection scope of the present invention should being included in.
Claims (8)
1. a wear parts for concrete pump, including body (1), described body (1) is provided with perforate
(10), it is characterised in that described body (1) is also welded with multiple first on the side bear friction and spells
Block (21) and multiple second piece (22), the plurality of first piece (21) be spliced to form be centered around described
Perforate (10) the first ring outward, described second piece (22) is spliced to form and is centered around outside described first ring
Second ring, described body (1) is provided with the cannelure being positioned at described perforate (10) outer rim, and described first
Piece (21) and the second piece (22) are welded in described cannelure；
The manufacturing process of described wear parts includes:
Adding profiling weld tabs in described cannelure, the first piece (21), the second piece (22) are along annular
Groove is spliced into the first ring and the second ring respectively, and the gap location of adjacent tiles is covered with soldering paste or weld tabs, is put into soldering
Stove is heated to brazing temperature, and slow cooling of coming out of the stove is to 150 DEG C-250 DEG C, then perforate (10) wall and/or
Body (1) outside carries out built-up welding and forms overlay cladding (3), and insulation slow cooling is to room temperature.
The wear parts of concrete pump the most according to claim 1, it is characterised in that adjacent first spells
Weld seam between block (21) mutually staggers with the weld seam between adjacent second piece (22).
The wear parts of concrete pump the most according to claim 1, it is characterised in that described body (1)
On be also welded with multiple 3rd piece, the plurality of 3rd piece is spliced to form and is centered around outside described second ring
3rd ring.
4. according to the wear parts of the concrete pump described in any one of claim 1-3, it is characterised in that institute
State body (1) to be made up of carbon steel, and/or, described first piece (21) and the second piece (22) are by firmly
Matter alloy is made.
5. according to the wear parts of the concrete pump described in any one of claim 1-3, it is characterised in that institute
The quantity stating the first piece (21) is 8-16 block, and/or, the quantity of described second piece (22) is 8-16
Block.
6. according to the wear parts of the concrete pump described in any one of claim 1-3, it is characterised in that resistance to
Mill parts are cheater plate or cut ring.
7. a concrete pumping equipment, it is characterised in that be provided with described in any one of claim 1-6
The wear parts of concrete pump.
Concrete pumping equipment the most according to claim 7, it is characterised in that described concrete pumping
Equipment is pump truck, Vehicle loaded pump or drags pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092537.0A CN103277296B (en) | 2013-03-22 | 2013-03-22 | The wear parts of concrete pump and concrete pumping equipment |
| PCT/CN2014/073739 WO2014146583A1 (en) | 2013-03-22 | 2014-03-20 | Abrasion-resistant part of concrete pump and concrete pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092537.0A CN103277296B (en) | 2013-03-22 | 2013-03-22 | The wear parts of concrete pump and concrete pumping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103277296A CN103277296A (en) | 2013-09-04 |
| CN103277296B true CN103277296B (en) | 2016-08-31 |
Family
ID=49059896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310092537.0A Active CN103277296B (en) | 2013-03-22 | 2013-03-22 | The wear parts of concrete pump and concrete pumping equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103277296B (en) |
| WO (1) | WO2014146583A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277296B (en) * | 2013-03-22 | 2016-08-31 | 三一汽车制造有限公司 | The wear parts of concrete pump and concrete pumping equipment |
| CN104019025B (en) * | 2014-06-12 | 2017-08-29 | 三一汽车制造有限公司 | A kind of cheater plate and manufacture method of concrete pump and concrete pump |
| CN105756915B (en) * | 2014-12-18 | 2018-09-28 | 株洲精五环硬质合金有限公司 | A kind of cut ring and its processing method |
| CN105221382B (en) * | 2015-10-30 | 2018-02-09 | 江门市楚材科技有限公司 | A kind of wearing-cutting ring |
| CN109047967A (en) * | 2018-08-14 | 2018-12-21 | 湖南工业职业技术学院 | It is suitble to the manufacturing method of the concrete pump wearing piece of high-volume automated production |
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| KR20040057014A (en) * | 2002-12-24 | 2004-07-01 | 한락수 | A Structure and the Manufacturing Method for Friction Parts on Concrete Pump |
| CN101787973B (en) * | 2010-02-09 | 2011-11-09 | 三一重工股份有限公司 | Distributing valve for concrete pump, concrete pump, control method thereof and concrete pump truck |
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| CN102297126B (en) * | 2011-08-31 | 2014-03-26 | 郑州宜安机械有限公司 | Glasses plate for concrete pump |
| CN103277296B (en) * | 2013-03-22 | 2016-08-31 | 三一汽车制造有限公司 | The wear parts of concrete pump and concrete pumping equipment |
| CN203488355U (en) * | 2013-08-22 | 2014-03-19 | 三一汽车制造有限公司 | Abrasion-resistant part for concrete pumping and concrete pumping device |
-
2013
- 2013-03-22 CN CN201310092537.0A patent/CN103277296B/en active Active
-
2014
- 2014-03-20 WO PCT/CN2014/073739 patent/WO2014146583A1/en active Application Filing
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|---|---|---|---|---|
| CN2531128Y (en) * | 2001-12-29 | 2003-01-15 | 冯冬维 | Wear-resisting board with labyrinth sealing structure on wear-resisting surface |
| CN2538969Y (en) * | 2002-03-07 | 2003-03-05 | 孙家伦 | Hard alloy wear-proof plate and wear-proof ring for concrete delivering pump |
| CN2748670Y (en) * | 2004-07-29 | 2005-12-28 | 冯冬维 | Wearable plate with sintered hard alloy structure on inner wall surface of discharge hole |
| CN101158347A (en) * | 2007-11-16 | 2008-04-09 | 三一重工股份有限公司 | Glasses plate and cutting ring for concrete delivery pump |
| CN201891594U (en) * | 2010-09-28 | 2011-07-06 | 郭庆虎 | Low-cost long-life cutting ring for concrete conveying pump |
| CN203214300U (en) * | 2013-03-22 | 2013-09-25 | 三一重工股份有限公司 | Wear-resistant component of concrete pump and concrete pumping equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103277296A (en) | 2013-09-04 |
| WO2014146583A1 (en) | 2014-09-25 |
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