CN202483823U - Engineering machinery and material pumping system thereof - Google Patents
Engineering machinery and material pumping system thereof Download PDFInfo
- Publication number
- CN202483823U CN202483823U CN2012200987306U CN201220098730U CN202483823U CN 202483823 U CN202483823 U CN 202483823U CN 2012200987306 U CN2012200987306 U CN 2012200987306U CN 201220098730 U CN201220098730 U CN 201220098730U CN 202483823 U CN202483823 U CN 202483823U
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- Prior art keywords
- pumping system
- material pumping
- pipe valve
- cylinder
- hopper
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Abstract
The utility model discloses a material pumping system, which comprises delivering cylinders, a hopper, an S pipe valve arranged in the hopper and a driving force mechanism driving the S pipe valve to rotate. The S pipe valve comprises a feed port and a discharge port, wherein the feed port is simultaneously communicated with two outlets of the two delivering cylinders, and the discharge port is communicated with an outlet of the material pumping system. The material pumping system comprises at least three delivering cylinders, and the feed port of the S pipe valve is simultaneously communicated with outlets of random two adjacent delivering cylinders. Therefore, during a working process of the material pumping system, the S pipe valve rotates and reverses around the periphery of the rotating center of the material pumping system; and during the rotating and reversing process, the feed port of the S pipe valve is communicated with at least one delivering cylinder at a material pumping state, thereby better achieving the continuous discharging of the material pumping system and improving the pumping efficiency of the material pumping system. Further, the utility model provides engineering machinery based on the material pumping system.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of material pumping system.The utility model also relates to a kind of engineering machinery that comprises above-mentioned material pumping system.
Background technique
Along with the fast development of China's economic construction, market increases for the increasing demand of material pumping system.The material pumping system has obtained using comparatively widely in the material pumpdown with its higher working efficiency.
Concrete pump is current utilization one of concreting machinery widely, and concrete pump generally comprises hopper, carries cylinder, distributing valve and delivery pipe.Hopper is used to deposit concrete mud; Carry cylinder under Driven by Hydraulic Cylinder, to carry out fore and aft motion; Distributing valve is used in the predetermined very first time, making carries cylinder to be connected with hopper, makes and carries the cylinder suction, in the second predetermined time, makes and carries cylinder to be connected with delivery pipe; Carry cylinder that the concrete mud that sucks is pressed in the delivery pipe, make concrete mud carry arrival precalculated position under the effect of cylinder pressure.Wherein, distributing valve is one of key position of concrete pump.
Utilization at present distributing valve comparatively widely is mainly paddle type distributing valve and S type distributing valve.
The paddle type distributing valve mainly is through the moving up and down of two shoe brake plates in the distributing valve, and in the predetermined very first time, makes and carries cylinder to communicate with the delivery outlet of hopper; Make and carry the cylinder suction; In the second predetermined time, make and carry cylinder to communicate with delivery pipe through a Y font pipe, make and carry the cylinder pump material.The paddle type distributing valve can't satisfy the demand of high pressure pumping concrete mud because the restriction of the mated condition of flashboard periphery makes it can't bear bigger working pressure, and the application is limited.S type distributing valve can satisfy the needs of high pressure pumping concrete mud.But S type distributing valve is realized pumping through the reciprocal break-in that is interrupted, and causes its material pumping process discontinuous, causes the wearing and tearing of concrete pump truck arm tip vibration and transmission and concrete transmission bend pipe easily.
In order to improve the material output performance of S type distributing valve, adopt a kind of follow-on distributing valve more.This distributing valve comprises the S pipe valve, and an end of S pipe valve is the valve body inlet, and the other end is a valve outlet; The S pipe valve links to each other with carrying cylinder through the valve body inlet, links to each other with the outlet of pumping equipment through valve outlet, and the valve body inlet is waist shaped hole; The mass transport cylinder has two; Waist shaped hole can be simultaneously carries a cylinder to be connected with connecting, and also can pass through reciprocally swinging, and realization is connected with arbitrary conveying cylinder.
But this distributing valve adopts the working method of back and forth waving and carries two realizes switching-over between the cylinders, in commutation process, have the moment sudden change, and discharging is still and is interrupted during switching-over, can't solve continuous discharging problem well, and can't promote pumping efficiency.
Therefore, how to realize continuous discharging better, and improve the pumping efficiency of pumping equipment, just become the problem that those skilled in the art need solve.
The model utility content
The purpose of the utility model provides a kind of material pumping system, and it can realize continuous discharging better, and has higher pumping efficiency.
For realizing above-mentioned purpose; The utility model provides a kind of material pumping system; Comprise and carry cylinder, hopper, be arranged on the S pipe valve in the hopper and drive the power mechanism that the S pipe valve rotates that said S pipe valve comprises material feeding mouth that can be communicated with simultaneously with the outlet of two conveying cylinders and the discharge port that is communicated with the outlet of said material pumping system; Said material pumping system comprises that at least three are carried cylinders, and said S pipe valve rotates around its gyration center under the effect of power mechanism, so that the material feeding mouth of said S pipe valve is connected with the outlet of adjacent arbitrarily two conveying cylinders simultaneously.
Preferably, said material feeding mouth from the inside to the outside opening increase gradually.
Preferably, said material feeding mouth is the waist shaped hole structure that has certain camber.
Preferably, said S pipe valve is rotatably mounted in the said hopper through rotatingshaft, and said S pipe valve is the center with the axis of said rotatingshaft, intermittently rotates predetermined angle with respect to said hopper by constant direction.
Preferably, be provided with bearing and sealing mechanism between said rotatingshaft and the said hopper.
Preferably, the quantity of said conveying cylinder is three, and the outlet of three said conveying cylinders is arranged along same circumference equal angles.
The utility model also provides a kind of engineering machinery, comprises aforesaid material pumping system.
The material pumping system that the utility model provided; Comprise and carry cylinder, hopper, be arranged on the S pipe valve in the hopper and drive the power mechanism that the S pipe valve rotates that said S pipe valve comprises material feeding mouth that can be communicated with simultaneously with the outlet of two conveying cylinders and the discharge port that is communicated with the outlet of said material pumping system; Said material pumping system comprises that at least three are carried cylinders, and said S pipe valve rotates around its gyration center under the effect of power mechanism, so that the material feeding mouth of said S pipe valve is connected with the outlet of adjacent arbitrarily two conveying cylinders simultaneously.
Carrying the situation of cylinder with three is example; Carry cylinder to be in suction stage, the second conveying cylinder and the 3rd conveying cylinder with first and be in the stock stage as the initialization position; In the initialization position; The material feeding mouth of S pipe valve and second carries the outlet and the 3rd of cylinder to carry the outlet of cylinder to be communicated with, and the piston of the second conveying cylinder walks to the neutral position of stroke when the 3rd carries cylinder to accomplish whole stock, and first carries cylinder to accomplish suction; Then, the S pipe valve begins circumferentially to rotate with predetermined direction around its gyration center, and in rotation process, second carries cylinder to be in the stock state all the time; After the S pipe valve turns over predetermined angle; Pumping system is in second working position, and at this moment, the material feeding mouth of S pipe valve and first carries the outlet and second of cylinder to carry the outlet of cylinder to be connected; First carries cylinder to be in the stock state; The 3rd carries cylinder to be in the suction state, and the piston of the first conveying cylinder walks to the neutral position of stroke when second carries cylinder to accomplish whole stock, and the 3rd carries cylinder to accomplish suction; Then, the S pipe valve begins to continue circumferentially to rotate with identical direction, and in rotation process, first carries cylinder to keep the stock state; When distributing valve turns to the 3rd working position; The material feeding mouth of S pipe valve and first carries the outlet and the 3rd of cylinder to carry the outlet of cylinder to be connected, and the 3rd carries cylinder to begin stock, and second carries cylinder to begin suction; The piston of the 3rd conveying cylinder walks to the neutral position of stroke when first carries cylinder to accomplish whole stock; Second carries cylinder to accomplish suction, and the S pipe valve is got back to initial position after turning over a week, thereby accomplishes an actuation cycle.
Like this, in the working procedure of material pumping system, the S pipe valve around its gyration center circumference Rotation With Changing to; In the process of switching-over; The material feeding mouth of S pipe valve keeps being connected with a conveying cylinder that is in the stock state at least, thereby has realized the continuous discharging of material pumping system better, has reduced pumping work and has impacted the influence to the jib vibration; Reduce the wearing and tearing of impacting transporting elbow simultaneously, and improved the pumping efficiency of material pumping system.
In a kind of embodiment; The material pumping system that the utility model provided, the material feeding mouth of its S pipe valve opening from the inside to the outside increases gradually, and the solid accumulation that the outlet of this kind form can be avoided pumping is near material feeding mouth; Reduce the flow resistance of material, improve pumping efficiency.
Description of drawings
Fig. 1 is in the structural representation of initialization position for the material pumping system that the utility model provided;
Sectional view when Fig. 2 is in the initialization position for material pumping system shown in Figure 1;
Fig. 3 is in the structural representation of second working position for material pumping system shown in Figure 1;
Sectional view when Fig. 4 is in second working position for material pumping system shown in Figure 3;
Fig. 5 is in the structural representation of the 3rd working position for material pumping system shown in Figure 1;
Sectional view when Fig. 6 is in the 3rd working position for material pumping system shown in Figure 5.
Embodiment
The core of the utility model provides a kind of material pumping system, and it can realize continuous discharging better, and has higher pumping efficiency.
In order to make those skilled in the art person understand the technological scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1 to Fig. 6, Fig. 1 is in the structural representation of initialization position for the material pumping system that the utility model provided; Sectional view when Fig. 2 is in the initialization position for material pumping system shown in Figure 1; Fig. 3 is in the structural representation of second working position for material pumping system shown in Figure 1; Sectional view when Fig. 4 is in second working position for material pumping system shown in Figure 3; Fig. 5 is in the structural representation of the 3rd working position for material pumping system shown in Figure 1; Sectional view when Fig. 6 is in the 3rd working position for material pumping system shown in Figure 5.
The material pumping system that the utility model provides; Comprise and carry cylinder, hopper 5, be arranged on the S pipe valve 4 in the hopper 5 and drive the power mechanism that S pipe valve 4 rotates that said S pipe valve 4 comprises material feeding mouth that can be communicated with simultaneously with the outlet of two conveying cylinders and the discharge port that is communicated with the outlet of said material pumping system; Said material pumping system comprises that at least three are carried cylinders, and said S pipe valve 4 rotates around its gyration center under the effect of power mechanism, so that said material feeding mouth is connected with the outlet of adjacent arbitrarily two conveying cylinders simultaneously.
Material feeding mouth can be for rotating a circle at circumferencial direction with respect to the circumferential rotation of carrying cylinder, rotation that also can be in suitable radian scope, as long as can guarantee when turning to each working position, material feeding mouth is connected in two outlets of carrying cylinders all the time and gets final product.The circumferential slewing area of material feeding mouth should depend on the position of a plurality of conveying cylinders; When a plurality of conveying cylinders along circumferential arrangement one during week; Material feeding mouth also should rotate a circle at work; And when a plurality of conveying cylinders during along one section camber line scope of circumferential arrangement, material feeding mouth can rotate a circle at work, also can only in this radian scope, rotate.
When the material feeding mouth of S pipe valve 4 rotated a circle with respect to the conveying cylinder, material feeding mouth should rotate by predetermined direction, promptly clockwise rotated all the time or rotated counterclockwise all the time, so that pumping control.
The material feeding mouth of the S pipe valve 4 that the utility model provided opening from the inside to the outside increases gradually, and the solid accumulation that the outlet of this kind form can be avoided pumping reduces the flow resistance of material near material feeding mouth, improves pumping efficiency.
Apparently, material feeding mouth also is not limited to above-mentioned concrete structure, and theoretically, as long as this material feeding mouth can be realized passing through smoothly of material, the opening of its direction from the inside to the outside can be equally big.
Above-mentioned material feeding mouth can be the waist shaped hole structure, and apparently, material feeding mouth also is not limited to waist shaped hole, carries the outlet of cylinders to be connected as long as can realize material feeding mouth with two, and the concrete structure of charging can have multiple, for example can be for common bar hole etc.
The S pipe valve 4 of the pumping system that the utility model provided is rotatably mounted in the said hopper 5 through rotatingshaft, and said S pipe valve 4 is the center with the axis of said rotatingshaft, intermittently rotates predetermined angle with respect to said hopper 5 by constant direction.
Be provided with bearing and sealing mechanism between rotatingshaft and the hopper 5,, and guarantee sealing, prevent that concrete from entering between rotatingshaft and the hopper with relatively rotating between realization hopper 5 and the S pipe valve 4.
Carrying the situation of cylinder with three is example; Carry cylinder 1 to be in suction stage, the second conveying cylinder 2 and the 3rd conveying cylinder 3 with first and be in the stock stage as the initialization position; In the initialization position; The material feeding mouth of S pipe valve 4 and second carries the outlet and the 3rd of cylinder 2 to carry the outlet of cylinder 3 to be communicated with, when the 3rd second carry the piston of cylinder 2 to walk to the neutral position of stroke when carrying cylinder 3 to accomplish whole stock, first carries cylinder 1 completion suction; Then, S pipe valve 4 begins circumferentially to rotate with predetermined direction around its gyration center, and in rotation process, second carries cylinder 2 to be in the stock state all the time; After S pipe valve 4 turns over predetermined angle; Pumping system is in second working position, and at this moment, the material feeding mouth of S pipe valve 4 and first carries the outlet and second of cylinder 1 to carry the outlet of cylinder 2 to be connected; First carries cylinder 1 to be in the stock state; The 3rd carries cylinder 3 to be in the suction state, and the piston of the first conveying cylinder 1 walks to the neutral position of stroke when second carries cylinder 2 to accomplish whole stock, and the 3rd carries cylinder 3 to accomplish suction; Then, 4 beginnings of S pipe valve continue circumferentially to rotate with identical direction, and in rotation process, first carries cylinder 1 to keep the stock state; When distributing valve turns to the 3rd working position; The material feeding mouth of S pipe valve 4 and first carries the outlet and the 3rd of cylinder 1 to carry the outlet of cylinder 3 to be connected, and the 3rd carries cylinder 3 beginning stocks, and second carries cylinder 2 beginning suctions; The piston of the 3rd conveying cylinder 3 walks to the neutral position of stroke when first carries cylinder 1 to accomplish whole stock; Second carries cylinder 2 to accomplish suction, and S pipe valve 4 is got back to initial position after turning over a week, thereby accomplishes an actuation cycle.
The neutral position that it is pointed out that the stroke described in the literary composition is meant near the position the midstroke, because the piston switching-over needs the time, therefore, the piston that is in meta is not limited to midstroke, and is construed as a travel range;
Like this; In the working procedure of material pumping system; S pipe valve 4 around its gyration center circumference Rotation With Changing to, the switching-over process in, the material feeding mouth of S pipe valve 4 keeps being connected with a conveying cylinder that is in the stock state at least; Thereby realized the continuous discharging of material pumping system better, and improved the pumping efficiency of material pumping system.
The number of the conveying cylinder of above-mentioned material pumping system can be three, and first carries cylinder 1, second to carry cylinder 2 and the 3rd to carry 3, three in cylinder to carry cylinder to arrange along same circumference equal angles; Equal angles is arranged and is carried cylinder can simplify the control procedure of S pipe valve 4, guarantees higher pumping efficiency.
It is pointed out that " first, second, third " described in the literary composition etc. for the component of distinguishing same function or structure propose, only is in order to narrate conveniently, to should not be construed as certain qualification.
The material pumping system that the utility model provided can be applied to engineering machinery, specifically can be applicable to concrete mixer, also can be applied to other pumping equipments.
More than a kind of engineering machinery and material pumping system thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. material pumping system; Comprise and carry cylinder, hopper, be arranged on the S pipe valve in the hopper and drive the power mechanism that the S pipe valve rotates that said S pipe valve comprises material feeding mouth that can be communicated with simultaneously with the outlet of two conveying cylinders and the discharge port that is communicated with the outlet of said material pumping system; It is characterized in that said material pumping system comprises that at least three are carried cylinders, said S pipe valve rotates around its gyration center under the effect of power mechanism, so that the material feeding mouth of said S pipe valve is connected with the outlet of adjacent arbitrarily two conveying cylinders simultaneously.
2. material pumping system according to claim 1 is characterized in that said material feeding mouth opening from the inside to the outside increases gradually.
3. material pumping system according to claim 2 is characterized in that, said material feeding mouth is the waist shaped hole structure that has certain camber.
4. material pumping system according to claim 1; It is characterized in that; Said S pipe valve is rotatably mounted in the said hopper through rotatingshaft, and said S pipe valve is the center with the axis of said rotatingshaft, intermittently rotates predetermined angle with respect to said hopper by constant direction.
5. material pumping system according to claim 4 is characterized in that, is provided with bearing and sealing mechanism between said rotatingshaft and the said hopper.
6. according to each described material pumping system in the claim 1 to 5, it is characterized in that the quantity of said conveying cylinder is three, the outlet of three said conveying cylinders is arranged along same circumference equal angles.
7. an engineering machinery is characterized in that, comprises like each described material pumping system in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200987306U CN202483823U (en) | 2012-03-15 | 2012-03-15 | Engineering machinery and material pumping system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200987306U CN202483823U (en) | 2012-03-15 | 2012-03-15 | Engineering machinery and material pumping system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483823U true CN202483823U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200987306U Expired - Lifetime CN202483823U (en) | 2012-03-15 | 2012-03-15 | Engineering machinery and material pumping system thereof |
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| CN (1) | CN202483823U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588243A (en) * | 2012-03-15 | 2012-07-18 | 三一重工股份有限公司 | Engineering machinery, material pumping system and pumping method for material pumping system |
| CN102995898A (en) * | 2012-12-06 | 2013-03-27 | 中联重科股份有限公司 | Distributor, distributor control device and method, distribution system and engineering machine |
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
-
2012
- 2012-03-15 CN CN2012200987306U patent/CN202483823U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588243A (en) * | 2012-03-15 | 2012-07-18 | 三一重工股份有限公司 | Engineering machinery, material pumping system and pumping method for material pumping system |
| CN102995898A (en) * | 2012-12-06 | 2013-03-27 | 中联重科股份有限公司 | Distributor, distributor control device and method, distribution system and engineering machine |
| CN102995898B (en) * | 2012-12-06 | 2015-09-02 | 中联重科股份有限公司 | Proportioner, proportioner control appliance, method, system and engineering machinery |
| CN103410325A (en) * | 2012-12-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Pumping mechanism and concrete pump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |