CN202545215U - Wear plate for concrete pumping and concrete pump with wear plate - Google Patents
Wear plate for concrete pumping and concrete pump with wear plate Download PDFInfo
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- CN202545215U CN202545215U CN 201120543906 CN201120543906U CN202545215U CN 202545215 U CN202545215 U CN 202545215U CN 201120543906 CN201120543906 CN 201120543906 CN 201120543906 U CN201120543906 U CN 201120543906U CN 202545215 U CN202545215 U CN 202545215U
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- cladding layer
- glasses plate
- concrete pumping
- matrix
- concrete
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Abstract
The utility model provides a wear plate for concrete pumping and a concrete pump with the wear plate. The wear plate for concrete pumping comprises a base provided with two through holes, and a wear-resistant material cladding layer is arranged on the base and comprises first cladding layers which are arranged on the walls of the through holes. The concrete pump comprises the wear plate for concrete pumping. According to the wear plate for concrete pumping and the concrete pump with the wear plate, wear resistance and integral impact resistance of the wear plate are improved, and the service life of the wear plate is prolonged.
Description
Technical field
The utility model relates to the constructional engineering machinery field, more specifically, relates to a kind of concrete pumping with glasses plate and have its concrete pump.
Background technique
Glasses plate is at pump truck, drags a kind of easily damaged parts that uses on the concrete pumps such as pump, Vehicle loaded pump, and be the important step that influences the concrete pump total quality working life of glasses plate always.
Along with the pumping of the concreting machinery direction towards generous amount, high pressure develops, to concrete pumping with glasses plate require increasingly high.
At first, to its abrasive resistance require increasingly high, from several thousand sides to 2 ten thousand sides originally, till now 4-6 ten thousand sides again, this requires to adopt better high-abrasive material.
Secondly, require more next high to its shock resistance and anti-shear performance.Because the applying working condition very severe of glasses plate, endoporus bears the compression shock of high pressure concrete, and cutting surface will bear the extrusion friction of cutting ring.Especially when the large-size concrete aggregate was stuck between cutting ring and the glasses plate, the glasses plate cutting surface will together cut off concrete aggregate with cutting ring and guarantee normally carrying out of pumping.This just requires glasses plate that certain anti-anti-circulating pressure impact and anti-high tenacity shear resistant must be arranged.
At last, above factor also causes requiring increasingly high to the fabricating cost of glasses plate.
As shown in Figure 1, existing glasses plate comprises glasses plate matrix 10 ', cemented carbide liner plate 20 ', overlay cladding 30 ', carbide ring 40 '.Wherein, carbide ring 40 ' is embedded on the glasses plate matrix 10 ' with the brazing mode, can integral manufacturing, and also can be assembled by polylith; Liner plate 20 ' is fixed on the glasses plate matrix 10 ' with the method for brazing or soldering, and is same, and liner plate 20 ' can integral manufacturing, also can be assembled by polylith; Overlay cladding 30 ' adopts the wear resistance electrode built-up welding to form.
The mode that multiple manufacturing glasses plate is arranged in the existing technology, for example, the glasses plate that adopts whole hard alloy to make, but this glasses plate cost is expensive.For another example; Adopt the way of casting to come the production glasses plate; The pouring metal melt of the wearing layer material that is about to prepare is treated wearing layer molten metal cooling back and steel billet castingin together in the sand mold that is placed with steel billet, but because sand casting process is difficult to eliminate fully casting defect; And the metallurgical junction of wearing layer and matrix is made a concerted effort not strong, and wearing layer and matrix are difficult to guarantee the intensity and the wear resistance of glasses plate.Also have in the existing technology hard alloy blocks, carbide ring etc. is fixed on the mode on the mother metal through modes such as castingin, welding, but easily because the mass defect of weld causes the inefficacy in advance of cemented carbide.In addition, the glasses plate that adopts modes such as machinery assembling, star-like nail to make can cause cemented carbide embrittlement under the cutting of cutting ring is impacted to collapse piece and lost efficacy.
The model utility content
The utility model purpose is to provide the low concrete pumping of a kind of abrasive resistance height and cost with glasses plate and concrete pump thereof.
An aspect according to the utility model provides a kind of concrete pumping to use glasses plate, comprises matrix; Matrix is provided with two through holes; Matrix is provided with the high-abrasive material cladding layer, and cladding layer comprises first cladding layer, and first cladding layer is arranged on the hole wall of through hole.
Further, cladding layer also comprises second cladding layer, second cladding layer be arranged on the face preparation of matrix and be positioned at through hole around.
Further, matrix has a plurality of first step troughs around through hole, and cladding layer has first ladder surface that combines with a plurality of first step troughs.
Further, matrix has dovetail groove around through hole, and cladding layer has the trapezoidal faces that combines with dovetail groove.
Further, form cladding layer through laser melting and coating process.
Further, the thickness of cladding layer is T1, wherein, and 0.5mm≤T1≤4mm.
Further, the hardness of cladding layer is greater than or equal to 55HRC.
Further, high-abrasive material is a kind of or two or more the combination arbitrarily in them in cemented carbide, Tungsten carbite, aluminium oxide, nickel-base alloy, chromium-base alloy, rich chromium cast iron, ferrous alloy, the cobalt base alloy.
Further, high-abrasive material is a form of powdery particles or thread.
Another aspect according to the utility model provides a kind of concrete pump, comprises that aforesaid concrete pumping uses glasses plate.
According to the concrete pumping of the utility model with glasses plate and have its concrete pump; The cladding layer of high-abrasive material is set on matrix; Improved the wear-resisting property of glasses plate, and the whole impact resistance of glasses plate is got a promotion, prolong the working life of glasses plate.In addition, adopt the glasses plate of the utility model, need not use expensive hard alloy blocks or wear resistance electrode, cost of material reduces.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of available coagulation soil pumping with glasses plate;
Fig. 2 be Fig. 1 A '-A ' to the sectional structure schematic representation;
Fig. 3 is according to the concrete pumping of the utility model structural representation with glasses plate;
Fig. 4 be Fig. 3 A-A to the first sectional structure schematic representation;
Fig. 5 be Fig. 3 A-A to the second sectional structure schematic representation;
Fig. 6 be Fig. 3 A-A to the 3rd sectional structure schematic representation;
Fig. 7 be Fig. 3 A-A to the 4th sectional structure schematic representation; And
Fig. 8 be Fig. 3 B-B to the sectional structure schematic representation.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Like Fig. 3 and shown in Figure 4, use glasses plate according to the concrete pumping of the utility model, comprise matrix 10; Matrix 10 is provided with two through holes 30; Matrix 10 is provided with high-abrasive material cladding layer 20, and cladding layer 20 comprises that first cladding layer, 21, the first cladding layers 21 are arranged on the hole wall of through hole 30.
The concrete pumping of the utility model is used glasses plate, and the cladding layer 20 of high-abrasive material is set on matrix 10, has improved the wear-resisting property of glasses plate, and the whole impact resistance of glasses plate is got a promotion, and prolong the working life of glasses plate.In addition, adopt the glasses plate of the utility model, need not use expensive hard alloy blocks or wear resistance electrode, so cost of material reduces.
In the present embodiment, form cladding layer 20 through laser melting and coating process.Cladding layer 20 comprises that first cladding layer, 21, the first cladding layers 21 are arranged on the hole wall of through hole 30.Cladding layer 20 also comprise work cutting surface that second cladding layer, 22, the second cladding layers 22 are arranged on matrix 10 go up and be positioned at through hole 30 around.
According to an embodiment of the utility model, cladding layer 20 adopts high power laser light that the high-abrasive material cladding is formed first cladding layer 21 on the hole wall of through hole 30 through laser melting and coating process, improves the hole wall wear resistance of through hole 30.
In the present embodiment, the thickness of cladding layer 20 is T1, wherein, and 0.5mm≤T1≤4mm.The hardness of cladding layer 20 is greater than or equal to 55HRC.The high-abrasive material that forms cladding layer 20 is a kind of in cemented carbide, Tungsten carbite, aluminium oxide, nickel-base alloy, chromium-base alloy, rich chromium cast iron, ferrous alloy, the cobalt base alloy or two or more the combination in them.
Wherein, first cladding layer 21 and second cladding layer 22 can be distinguished cladding on matrix 10, also can whole cladding on matrix 10.Preferably,, matrix 10 is carried out whole cladding, form a whole cladding layer that comprises first cladding layer 21 and second cladding layer 22 when first cladding layer 21 and second cladding layer 22 are arranged on 10 last times of matrix simultaneously.
To shown in Figure 8, cladding layer 20 has multiple combining structure with matrix 10 like Fig. 4.
Like Fig. 4 and shown in Figure 8, according to first embodiment that the cladding layer 20 of the utility model combines with matrix 10, matrix 10 has first step trough around through hole 30, and cladding layer 20 has a plurality of first ladder surfaces and combines with first step trough.Under the prerequisite that processing technology allows, adopt this kind combining structure can strengthen the adhesive strength of cladding layer 20 and matrix 10.
As shown in Figure 5, according to second embodiment that the cladding layer 20 of the utility model combines with matrix 10, cladding layer 20 adopts barb-shaped combining structure with matrix 10.Cross section integral body at the A-A place of cladding layer 20 is trapezoidal, and it stretches into through hole 30 1 ends and has the hook-type extension part, to strengthen adhesive strength.
As shown in Figure 6, according to the 3rd embodiment that the cladding layer 20 of the utility model combines with matrix 10, matrix 10 has dovetail groove on the edge away from bridge of the nose district of through hole 30, and cladding layer 20 has trapezoidal faces and combines with dovetail groove.In the present embodiment, the thickness of cladding layer 20 plays the attenuation gradually of outward extending direction along the end that cladding layer 20 stretches into through hole 30.
As shown in Figure 7, according to the 4th embodiment that the cladding layer 20 of the utility model combines with matrix 10, matrix 10 has dovetail groove on the edge away from bridge of the nose district of through hole 30, and cladding layer 20 has trapezoidal faces and combines with dovetail groove.In the present embodiment, the thickness of cladding layer 20 plays outward extending direction progressive additive along the end that cladding layer 20 stretches into through hole 30.
In four embodiments that aforementioned four cladding layers 20 combine with matrix 10, through hole 30 surface attachment be second cladding layer 22 of cladding layer 20, combine as a whole at the end of second cladding layer 22 with first cladding layer 21.Have groove on the surface of matrix 10, an end of first cladding layer 21 is in groove, and its other end protrudes this groove, thereby protection matrix 10 is not worn.
The utility model also provides a kind of concrete pump, comprises that concrete pumping uses glasses plate, and it is that aforesaid concrete pumping is used glasses plate that concrete pumping uses glasses plate.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
The utility model is provided with the cladding layer of high-abrasive material on the matrix of glasses plate, improved the wear-resisting property of glasses plate, and the whole impact resistance of glasses plate is got a promotion, and prolong the working life of glasses plate.In addition, adopt the glasses plate of the utility model, need not use expensive hard alloy blocks or wear resistance electrode, cost of material reduces.The high-abrasive material of the mode cladding different-thickness of reducing is adopted in the through hole, and promptly cladding layer changes along the thickness of the thickness direction of glasses plate, can improve the friction durability in aperture.In addition, can not grooving on the matrix of the utility model, directly the certain thickness high-abrasive material of cladding on flat matrix reaches usage requirement, to save the use amount of high-abrasive material, saves grooving technology simultaneously, enhances productivity.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a concrete pumping is used glasses plate; Comprise matrix (10); Said matrix (10) is provided with two through holes (30), it is characterized in that, said matrix (10) is provided with high-abrasive material cladding layer (20); Said cladding layer (20) comprises first cladding layer (21), and said first cladding layer (21) is arranged on the hole wall of said through hole (30).
2. concrete pumping according to claim 1 is used glasses plate; It is characterized in that; Said cladding layer (20) also comprises second cladding layer (22), said second cladding layer (22) be arranged on the face preparation of said matrix (10) and be positioned at said through hole (30) around.
3. concrete pumping according to claim 1 is used glasses plate; It is characterized in that; Said matrix (10) has a plurality of first step troughs around said through hole (30), said cladding layer (20) has first ladder surface that combines with a plurality of said first step troughs.
4. concrete pumping according to claim 1 is used glasses plate, it is characterized in that, said matrix (10) has dovetail groove around said through hole (30), and said cladding layer (20) has the trapezoidal faces that combines with said dovetail groove.
5. concrete pumping according to claim 1 is used glasses plate, it is characterized in that, forms said cladding layer (20) through laser melting and coating process.
6. concrete pumping according to claim 5 is used glasses plate, it is characterized in that, the thickness of said cladding layer (20) is T1, wherein, and 0.5mm≤T1≤4mm.
7. concrete pumping according to claim 5 is used glasses plate, it is characterized in that, the hardness of said cladding layer (20) is greater than or equal to 55HRC.
8. concrete pumping according to claim 5 is used glasses plate, it is characterized in that, said high-abrasive material is a kind of in cemented carbide, Tungsten carbite, aluminium oxide, nickel-base alloy, chromium-base alloy, rich chromium cast iron, ferrous alloy, the cobalt base alloy.
9. concrete pumping according to claim 5 is used glasses plate, it is characterized in that, said high-abrasive material is a form of powdery particles or thread.
10. concrete pump comprises that concrete pumping uses glasses plate, it is characterized in that said concrete pumping uses glasses plate to use glasses plate as each described concrete pumping in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120543906 CN202545215U (en) | 2011-12-22 | 2011-12-22 | Wear plate for concrete pumping and concrete pump with wear plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120543906 CN202545215U (en) | 2011-12-22 | 2011-12-22 | Wear plate for concrete pumping and concrete pump with wear plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545215U true CN202545215U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120543906 Expired - Fee Related CN202545215U (en) | 2011-12-22 | 2011-12-22 | Wear plate for concrete pumping and concrete pump with wear plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444575A (en) * | 2011-12-22 | 2012-05-09 | 中联重科股份有限公司 | Wear plate for pumping concrete, manufacturing method of wear plate and concrete pump equipped with wear plate |
-
2011
- 2011-12-22 CN CN 201120543906 patent/CN202545215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444575A (en) * | 2011-12-22 | 2012-05-09 | 中联重科股份有限公司 | Wear plate for pumping concrete, manufacturing method of wear plate and concrete pump equipped with wear plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |