CN107218207B - Concrete pump truck hopper pumping cement sealing device - Google Patents
Concrete pump truck hopper pumping cement sealing device Download PDFInfo
- Publication number
- CN107218207B CN107218207B CN201710674042.7A CN201710674042A CN107218207B CN 107218207 B CN107218207 B CN 107218207B CN 201710674042 A CN201710674042 A CN 201710674042A CN 107218207 B CN107218207 B CN 107218207B
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- China
- Prior art keywords
- pipe valve
- cylinder
- swinging
- cutting ring
- sealing
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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
- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
- F05C2201/0454—Case-hardened steel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/06—Polyamides, e.g. NYLON
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a concrete pump truck hopper pumping cement sealing device which comprises a cement pumping device, an S pipe valve swinging mechanism, a sealing mechanism and a hydraulic control system, wherein the cement pumping device comprises a concrete bin, an S pipe valve swinging seat, a cutting ring, a glasses plate and a pumping oil cylinder, the S pipe valve swinging mechanism comprises an S pipe valve swinging seat, a transmission shaft, a swinging rod, a left swinging cylinder, a right swinging cylinder, a bolt and the hydraulic control system, and the sealing mechanism comprises a sealing oil cylinder, an oil cylinder support, a glasses plate and the hydraulic control system. The invention adopts a purely mechanical hydraulic mode to increase positive pressure between the cutting ring and the spectacle plate hole, the positive pressure can be larger by increasing the pressure of hydraulic oil, the control is simple, the volume is small, and the processing and the manufacturing are convenient.
Description
Technical Field
The invention relates to concrete conveying equipment, in particular to a sealing device for pumping cement by a concrete pump truck hopper.
Background
The wear-resistant glasses plate and the cutting ring are very important parts in the concrete delivery pump and are also wearing parts. During the concrete conveying process, the cutting ring and the glasses plate alternately run between the two material conveying holes due to the reciprocating feeding and the reciprocating feeding, and the glasses plate and the cutting ring interact with each other to generate frequent impact and abrasion. In the using process, in order to ensure the sealing performance, the traditional process needs to increase a large positive pressure in advance between the cutting ring and the glasses plate, and a large positive pressure is always applied between the cutting ring and the glasses plate, so that the damage form of the traditional process is mainly the interaction between the glasses plate and the cutting ring, when a concrete stone is sheared, the hard alloy ring is broken into blocks, particularly the bridge of the nose of the glasses plate, the phenomena of breakage and block falling can occur, and the service life of the glasses plate is short due to serious abrasion.
The existing solutions in the prior art are basically that a hard alloy wear-resistant layer is arranged on the surfaces of a glasses plate and a cutting ring, so that the sealing performance, the wear-resistant performance and the impact resistance of the glasses plate and the cutting ring are improved, however, the hard alloy wear-resistant layer is complex in processing process, high in production cost, and unsatisfactory in service life in the operation process, and the wear-resistant layer cannot be sealed after being worn, so that the problems of concrete leakage, insufficient pressure, incapability of feeding and the like are solved.
Disclosure of Invention
The invention aims to improve the abrasion state of the matching surfaces of the cutting ring and the glasses plate, does not need to apply larger positive pressure when the cutting ring and the glasses plate are switched, and increases the positive pressure when the cutting ring is aligned with the glasses plate material hole to ensure the sealing performance, thereby reducing the processing cost.
In order to achieve the purpose, the invention adopts the following technical scheme: the concrete pump truck hopper pumping cement sealing device comprises a cement pumping device, an S pipe valve swinging mechanism, a sealing mechanism and a hydraulic control system, wherein the cement pumping device comprises a concrete bin, an S pipe valve swinging seat, a cutting ring, a glasses plate and a pumping oil cylinder;
the S pipe valve swinging mechanism comprises an S pipe valve swinging seat, a transmission shaft, a swinging rod, a left swinging cylinder, a right swinging cylinder, a bolt and a hydraulic control system, wherein the S pipe valve swinging seat is connected with the left swinging cylinder and the right swinging cylinder through the transmission shaft and the swinging rod;
the sealing mechanism comprises a sealing oil cylinder, an oil cylinder support, a glasses plate and a hydraulic control system, the sealing oil cylinder is fixedly connected to the oil cylinder support, a cylinder rod of the sealing oil cylinder is connected with a transmission shaft through a coupler, the transmission shaft is connected with an S-pipe valve swing seat, the S-pipe valve swing seat is connected with a cutting ring, the cutting ring and the glasses plate form a sealing surface, the pressure of the sealing oil cylinder is transmitted to the sealing surface of the cutting ring and the glasses plate through the transmission shaft and the S-pipe valve swing seat, and the sealing oil cylinder is connected with the hydraulic control system through a pipeline to achieve the telescopic function.
The cutting ring is made of carbon steel. The material of cutting ring is 45 steel. The material of cutting ring is nylon. The number of the pumping oil cylinders is 2. The glasses plate is made of No. 45 steel. The glasses plate is made of nylon.
The invention has the beneficial effects that:
1. the invention adopts a purely mechanical hydraulic mode to increase positive pressure between the cutting ring and the spectacle plate hole, the positive pressure can be larger by increasing the pressure of hydraulic oil, the control is simple, the volume is small, and the processing and the manufacturing are convenient.
2. The glasses plate and the cutting ring are made of nylon or nonmetal materials, so that a large amount of metal materials are saved, and the production process of the glasses plate and the cutting ring is simplified.
3. The invention cancels the hard alloy materials on the cutting ring and the glasses plate, overcomes the defect of insufficient toughness of the hard alloy, thereby adopting the common metal material with better toughness, improving the shock resistance of the glasses, prolonging the period of replacing parts and improving the production efficiency.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic diagram of the hydraulic control system of the present invention;
in the figure: reference numerals:
the device comprises a concrete bin 1, an S pipe valve 2, an S pipe valve swing seat 3, a cutting ring 4, a glasses plate 5, a pumping oil cylinder 6, a transmission shaft 7, a bolt 8, a swing rod 9, a sealing oil cylinder 10, an oil cylinder support 11, a left swing cylinder 12 and a right swing cylinder 13.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the concrete pump truck hopper pumping cement sealing device comprises a cement pumping device, an S pipe valve swinging mechanism, a sealing mechanism and a hydraulic control system, wherein the cement pumping device comprises a concrete bin 1, an S pipe valve 2, an S pipe valve swinging seat 3, a cutting ring 4, a wear plate 5 and a pumping oil cylinder 6, the S pipe valve 2 is installed in the concrete bin 1, the outlet end of the S pipe valve 2 is fixedly connected to the bin wall of the concrete bin 1, the other end of the S pipe valve 2 is fixedly connected with the S pipe valve swinging seat 3, the cutting ring 4 is fixedly connected in the S pipe valve swinging seat 3, the cutting ring 4 and the wear plate 5 form a sealing contact surface, the wear plate 5 is fixedly connected to the concrete bin 1, the pumping oil cylinder 6 is correspondingly installed on two material holes of the wear plate 5, and the pumping oil cylinder 6 is connected with the hydraulic control system through a pipeline;
the S pipe valve swinging mechanism comprises an S pipe valve swinging seat 3, a transmission shaft 7, a swinging rod 9, a left swinging cylinder 12, a right swinging cylinder 13, a bolt 8 and a hydraulic control system, wherein the S pipe valve swinging seat 3 is connected with the left swinging cylinder 12 and the right swinging cylinder 13 through the transmission shaft 7 and the swinging rod 9, one end of each of the left swinging cylinder 12 and the right swinging cylinder 13 is connected with the swinging rod 9 through the bolt 8, the other end of each of the left swinging cylinder 12 and the right swinging cylinder 13 is respectively fixed on the wall of the concrete bin 1, the right swinging cylinder 13 drives the swinging rod 9 to rotate in one direction through the bolt 8, the left swinging cylinder 12 drives the swinging rod 9 to rotate in the other direction through the bolt 8, and the left swinging cylinder 12 and the right swinging cylinder 13 are connected with the hydraulic control system through pipelines to realize the telescopic function;
the sealing mechanism comprises a sealing oil cylinder 10, an oil cylinder support 11, a glasses plate 5 and a hydraulic control system, wherein the sealing oil cylinder 10 is fixedly connected to the oil cylinder support 11, a cylinder rod of the sealing oil cylinder 10 is connected with a transmission shaft 7 through a coupler, the transmission shaft 7 is connected with an S pipe valve swing seat 3, the S pipe valve swing seat 3 is connected with a cutting ring 4, the cutting ring 4 and the glasses plate 5 form a sealing surface, the pressure of the sealing oil cylinder 10 is transmitted to the sealing surface of the cutting ring 4 and the glasses plate 5 through the transmission shaft 7 and the S pipe valve swing seat 3, and the sealing oil cylinder 10 is connected with the hydraulic control system through a pipeline to achieve the telescopic function.
The cutting ring 4 is made of carbon steel. The material of cutting ring 4 is 45 # steel. The material of cutting ring 4 is nylon. The number of the pumping oil cylinders 6 is 2. The glasses plate 5 is made of No. 45 steel. The glasses plate 5 is made of nylon.
When the cement pumping device works, the S-shaped pipe valve 2 enables the cutting ring 4 to swing back and forth between the two feeding holes of the glasses plate 5 through the pipe valve swinging seat 3, in the swinging process, when the cutting ring 4 is aligned with the feeding holes of the glasses plate 5, the sealing oil cylinder 10 is pressurized and is transmitted to the sealing surface of the cutting ring 4 and the glasses plate 5 through the transmission shaft 7 and the S-shaped pipe valve swinging seat 3, the cutting ring 4 and the glasses plate 5 are pressed together, and the cement pumping work is completed. After pumping is finished, when the S pipe valve 2 is switched to the other feeding hole of the glasses plate 5 in a reversing mode, the sealing oil cylinder 10 releases pressure, positive pressure between the cutting ring 4 and the surface of the glasses plate 5 is reduced, friction between the cutting ring 4 and the surface of the glasses plate 5 is reduced, control is simple, the manufacturing process is simplified, and the service lives of the cutting ring 4 and the glasses plate 5 are greatly prolonged.
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention.
Claims (7)
1. The utility model provides a concrete pump truck hopper pump sending cement sealing device, includes pump sending cement device, S pipe valve swing mechanism, sealing mechanism and hydraulic control system, characterized by: the cement pumping device comprises a concrete bin (1), an S pipe valve (2), an S pipe valve swinging seat (3), a cutting ring (4), a glasses plate (5) and a pumping oil cylinder (6), wherein the S pipe valve (2) is installed in the concrete bin (1), the outlet end of the S pipe valve (2) is fixedly connected to the bin wall of the concrete bin (1), the other end of the S pipe valve (2) is fixedly connected with the S pipe valve swinging seat (3), the cutting ring (4) is fixedly connected in the S pipe valve swinging seat (3), the cutting ring (4) and the glasses plate (5) form a sealing contact surface, the glasses plate (5) is fixedly connected to the concrete bin (1), the pumping oil cylinder (6) is correspondingly installed on two material holes of the glasses plate (5), and the pumping oil cylinder (6) is connected with a hydraulic control system through a pipeline;
the S pipe valve swinging mechanism comprises an S pipe valve swinging seat (3), a transmission shaft (7), a swinging rod (9), a left swinging cylinder (12), a right swinging cylinder (13), a bolt (8) and a hydraulic control system, wherein the S pipe valve swinging seat (3) is connected with the left swinging cylinder (12) and the right swinging cylinder (13) through the transmission shaft (7) and the swinging rod (9), one end of the left swing cylinder (12) and one end of the right swing cylinder (13) are connected with the swing rod (9) through bolts (8), the other ends of the left swing cylinder (12) and the right swing cylinder (13) are respectively fixed on the wall of the concrete bin (1), the right swing cylinder (13) drives the swing rod (9) to rotate towards one direction through the bolt (8), the left swing cylinder (12) drives the swing rod (9) to rotate towards the other direction through the bolt (8), the left tilt cylinder (12) and the right tilt cylinder (13) are connected with a hydraulic control system through pipelines to realize the telescopic function;
the sealing mechanism comprises a sealing oil cylinder (10), an oil cylinder support (11), a glasses plate (5) and a hydraulic control system, wherein the sealing oil cylinder (10) is fixedly connected to the oil cylinder support (11), a cylinder rod of the sealing oil cylinder (10) is connected with a transmission shaft (7) through a coupler, the transmission shaft (7) is connected with an S pipe valve swing seat (3), the S pipe valve swing seat (3) is connected with a cutting ring (4), the cutting ring (4) and the glasses plate (5) form a sealing surface, the pressure of the sealing oil cylinder (10) is transmitted to the sealing surface of the cutting ring (4) and the glasses plate (5) through the transmission shaft (7) and the S pipe valve swing seat (3), and the sealing oil cylinder (10) is connected with the hydraulic control system through a pipeline to achieve a telescopic function.
2. The concrete pump truck hopper pumping cement sealing device as claimed in claim 1, which is characterized in that: the cutting ring (4) is made of carbon steel.
3. The concrete pump truck hopper pumping cement sealing device as claimed in claim 2, wherein: the material of cutting ring (4) is 45 # steel.
4. The concrete pump truck hopper pumping cement sealing device as claimed in claim 1, which is characterized in that: the cutting ring (4) is made of nylon.
5. The concrete pump truck hopper pumping cement sealing device as claimed in claim 1, which is characterized in that: the number of the pumping oil cylinders (6) is 2.
6. The concrete pump truck hopper pumping cement sealing device as claimed in claim 1, which is characterized in that: the glasses plate (5) is made of No. 45 steel.
7. The concrete pump truck hopper pumping cement sealing device as claimed in claim 1, which is characterized in that: the glasses plate (5) is made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674042.7A CN107218207B (en) | 2017-08-09 | 2017-08-09 | Concrete pump truck hopper pumping cement sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674042.7A CN107218207B (en) | 2017-08-09 | 2017-08-09 | Concrete pump truck hopper pumping cement sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218207A CN107218207A (en) | 2017-09-29 |
| CN107218207B true CN107218207B (en) | 2020-11-06 |
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ID=59954357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710674042.7A Active CN107218207B (en) | 2017-08-09 | 2017-08-09 | Concrete pump truck hopper pumping cement sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218207B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086879A (en) * | 1992-07-10 | 1994-05-18 | 三菱重工业株式会社 | The S shape gate valve slip surface of concrete pump connects airtight device |
| CN202545227U (en) * | 2012-01-16 | 2012-11-21 | 山推楚天工程机械有限公司 | Split concrete distribution valve |
| CN105864023A (en) * | 2016-04-07 | 2016-08-17 | 东南大学 | Pumping device for cutting ring and wear plate of concrete pump truck bin |
| CN207935064U (en) * | 2017-08-09 | 2018-10-02 | 马鞍山市翔宇机械自动化科技有限公司 | Concrete mixer hopper pumps cement seal device |
-
2017
- 2017-08-09 CN CN201710674042.7A patent/CN107218207B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086879A (en) * | 1992-07-10 | 1994-05-18 | 三菱重工业株式会社 | The S shape gate valve slip surface of concrete pump connects airtight device |
| CN202545227U (en) * | 2012-01-16 | 2012-11-21 | 山推楚天工程机械有限公司 | Split concrete distribution valve |
| CN105864023A (en) * | 2016-04-07 | 2016-08-17 | 东南大学 | Pumping device for cutting ring and wear plate of concrete pump truck bin |
| CN207935064U (en) * | 2017-08-09 | 2018-10-02 | 马鞍山市翔宇机械自动化科技有限公司 | Concrete mixer hopper pumps cement seal device |
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| Publication number | Publication date |
|---|---|
| CN107218207A (en) | 2017-09-29 |
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