CN202280252U - Pumping machine - Google Patents
Pumping machine Download PDFInfo
- Publication number
- CN202280252U CN202280252U CN2011203892977U CN201120389297U CN202280252U CN 202280252 U CN202280252 U CN 202280252U CN 2011203892977 U CN2011203892977 U CN 2011203892977U CN 201120389297 U CN201120389297 U CN 201120389297U CN 202280252 U CN202280252 U CN 202280252U
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- pumping
- cylinder
- supporting leg
- pumping mechanism
- hopper
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Abstract
The utility model provides a pumping machine, which comprises a car body, a pumping mechanism and a hopper, wherein the pumping mechanism and the hopper are installed on the car body. The pumping mechanism comprises a main cylinder and a conveying cylinder. A water tank is arranged between the main cylinder and the conveying cylinder connected with the hopper. The axis of the extension direction of the pumping mechanism maintains horizontal to the axis of the extension direction of the car body. On the working condition of pumping, the axis of the extension direction of the pumping mechanism and the horizontal plane are led to form an angle alpha. The height in the normal direction of the horizontal plane where the connecting portion of the conveying cylinder and the hopper is located is larger than the height in the normal direction of the horizontal plane where the connecting portion of the conveying cylinder and the hopper is located. On the working condition of pumping, the pumping mechanism is led to be arranged obliquely relative to the horizontal plane so as to increase the height of a feeding port of the conveying cylinder. A part of concrete in the hopper can automatically flow into the conveying cylinder under the action of self gravity, and the concrete depends on the self gravity to flow in the conveying cylinder so that material absorbing efficiency of the pumping mechanism is improved, and pumping efficiency of a concrete pumping machine is improved.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of pumping machine.
Background technology
Pumping mechanism is the executing agency in the concrete pumping machinery, is used for concrete is transported to the cast scene along conveyance conduit.Pump structure comprises master cylinder and carries cylinder; Carry cylinder and hold concrete hopper and be connected; Between two conveying cylinders and discharging opening, distributing valve is set; Distributing valve carries cylinder alternately to be communicated with two under the effect of oscillating oil cylinder, carries the concrete piston in the cylinder to be done to stretch out or the action of withdrawing by the master cylinder driving respectively; When distributing valve and one of them carry cylinder to be communicated with; Concrete piston in this conveying cylinder is done to stretch out action concrete is pumped by discharging opening through distributing valve; Accomplish pumpdown, at this moment, another carries cylinder to be communicated with hopper; This is carried the interior concrete piston of cylinder to do the withdrawal action concrete in the hopper is sucked in the conveying cylinder, accomplishes the suction operation; So reciprocating action realizes concrete uninterrupted pumping.
Because concrete is for the material of the solid coupling of stream, when concrete stone matter aggregate is excessive, when carrying cylinder to carry out the suction action; Be prone to cause inhomogeneous suction phenomenon, the ratio that promptly sucks thin pulp is too high, and heavier stone matter bulky grain aggregate suction ratio is less; Cause the bulky grain aggregate to accumulate in the material sucking port of hopper; Accumulate more for a long time when the bulky grain aggregate, influence the suction efficient of pumping system, causing when serious can't suction.
Prior art, the factor that influences pumping mechanism suction rate comprises: the quality of concrete material, pumping commutating speed, the cylinder diameter of carrying cylinder, the sealing performance and the stirring system of concrete piston.Can consider from the following aspects in order to improve the suction rate: 1, change the ratio of stone in the concrete and the size in stone bone footpath, the stone ratio is more little, and the more little suction rate in bone footpath is good more; 2, change the pumping commutating speed, the slower suction rate of pumping commutating speed is good more; 3, change the cylinder diameter of carrying cylinder, the big more suction property of cylinder diameter is good more; 4, to improve and carry cylinder suction sealing, good airproof performance suction property is all right; 5, improve the stirring system of pumping system, the mixing speed of stirring system is fast more, and stirring vane is big more, and angle is reasonable, and then suction property is more high.Adopt aforesaid way, can produce good effect to a certain degree to the suction rate of pumping mechanism, but its implementation cost is higher.
Therefore, how to improve the suction rate of pumping mechanism in the concrete pumping machinery, become those skilled in the art assistant officer's technical problem to be solved thereby improve pumping efficiency.
The utility model content
The purpose of the utility model is to propose a kind of pumping machine, with the suction rate of raising pumping mechanism, thereby improves pumping efficiency.
For solving the problems of the technologies described above; The utility model provides a kind of pumping machine; Comprise car body, be installed in pumping mechanism and hopper on the car body; Said pumping mechanism comprises master cylinder and carries cylinder, between master cylinder and conveying cylinder, is provided with water tank, and said conveying cylinder is connected with hopper; The bearing of trend place axis of said pumping mechanism and said car body bearing of trend place axis keep level; Under the pumping duty, make between bearing of trend place axis and the horizontal plane of said pumping mechanism and form angle, and carry height on cylinder and place, the hopper junction horizontal plane normal direction greater than carrying cylinder and water tank junction to belong to the height on the horizontal plane normal direction.
Preferably; On said car body, supporting leg is set; Under the pumping duty; Said car body, makes between bearing of trend place axis and the horizontal plane of said pumping mechanism and forms angle greater than the extension elongation of said car body near the supporting leg of master cylinder one end near the extension elongation of the supporting leg of carrying cylinder one end.
Preferably, said supporting leg comprises supporting leg and supporting leg seat, and ball head structure is arranged in the bottom of supporting leg, and the jointing that matches with the ball head structure of supporting leg is set in the supporting leg seat, and supporting leg can rotate in jointing.
Preferably, said hopper comprises front wallboard and rear wall plate, carries cylinder to be connected with rear wall plate, rear wall plate and said pumping mechanism bearing of trend place axis normal.
Preferably, on front wallboard, be connected with discharge nozzle, the axis of discharge nozzle is a horizontal direction when pumpdown.
Preferably, said angle is 0 ° to 12 °.
Preferably, said angle is 2 ° to 5 °.
In a kind of pumping machine that the utility model proposes; The bearing of trend place axis of pumping mechanism and said car body bearing of trend place axis keep level; Under the pumping duty; Make between bearing of trend place axis and the horizontal plane of said pumping mechanism and form angle, and carry height on cylinder and place, the hopper junction horizontal plane normal direction greater than carrying cylinder and water tank junction to belong to the height on the horizontal plane normal direction.Above-mentioned pumping machine is when suction; Because the bearing of trend of pumping mechanism place axis and said car body bearing of trend place axis keep level; And form angle between the bearing of trend of pumping mechanism place axis and the horizontal plane; And carry the height on the horizontal plane normal direction of cylinder and hopper junction place to belong to the height on the horizontal plane normal direction, also promptly when pumpdown, pumping mechanism is inclined relative to horizontal setting to improve the height of the charging aperture of carrying cylinder, like this greater than conveying cylinder and water tank junction; A part of concrete in the hopper just can flow under the effect of self gravitation automatically to be carried in the cylinder; And concrete relies on self gravitation in carrying cylinder, to flow, and has improved the suction efficient of pumping mechanism, thereby improves the pumping efficiency of concrete pumping machinery; And reduce to have improved the pump-conveying property of concrete pumping machinery because of carrying cylinder to inhale the empty vibration that causes; On the other hand, concrete flows into through deadweight and carries in the cylinder, and relies on self gravitation in carrying cylinder, to flow, and has reduced the energy consumption in the suction action.
As preferred embodiment; Supporting leg is set on car body; Under the pumping duty, car body, makes between bearing of trend place axis and the horizontal plane of pumping mechanism and forms angle greater than the extension elongation of said car body near the supporting leg of master cylinder one end near the extension elongation of the supporting leg of carrying cylinder one end.Like this; On the basis of prior art pumping system; The supporting leg extension elongation of carrying the cylinder front end supporting leg extension elongation greater than the master cylinder tail end is set, forms angle, avoided the structure of pumping machine in the prior art is changed significantly thereby make between bearing of trend place axis and the horizontal plane of pumping mechanism; Extension elongation through control diverse location supporting leg when pumpdown just can remain in pumping mechanism and form angle between the horizontal plane; And can adjust the angle value according to the practical application needs, its control operation is simple, and compliance is stronger.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment pumping machine in the utility model.
Fig. 2 is the structural representation of the supporting leg of pumping machine among Fig. 1.
Fig. 3 is the structure for amplifying sketch map at A place among Fig. 2.
Fig. 4 is a pumping mechanism suction efficiency analysis sketch map in the utility model.
The specific embodiment
The core concept of the utility model is; The bearing of trend place axis of pumping mechanism and car body bearing of trend place axis keep level; Under the pumping duty; Make between bearing of trend place axis and the horizontal plane of pumping mechanism and form angle, and carry height on cylinder and place, the hopper junction horizontal plane normal direction greater than carrying cylinder and water tank junction to belong to the height on the horizontal plane normal direction.In the suction action; A part of concrete in the hopper just can flow under the effect of self gravitation automatically to be carried in the cylinder; And concrete relies on self gravitation in carrying cylinder, to flow, and has improved the suction efficient of pumping mechanism, thereby improves the pumping efficiency of concrete pumping machinery.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 1, Fig. 1 is the structural representation of pumping machine in the utility model.
Shown in figure; The utility model has proposed a kind of pumping machine, comprises car body 5, is installed in pumping mechanism and hopper 3 on the car body 5, and pumping mechanism comprises master cylinder 1 and carries cylinder 2; Between master cylinder 1 and conveying cylinder 2, be provided with water tank 4; Carry cylinder 2 to be connected with hopper 3, the bearing of trend place axis of pumping mechanism and car body 5 bearing of trends place axis keep level, under the pumping duty; Make between bearing of trend place axis and the horizontal plane of pumping mechanism and form angle, and carry height on cylinder 2 and place, the hopper 3 junctions horizontal plane normal direction greater than the height of carrying on cylinder 2 and place, the water tank 4 junctions horizontal plane normal direction.
Wherein, the bearing of trend of pumping mechanism place axis, i.e. master cylinder 1 and the central axis of carrying cylinder 2 in the pumping mechanism.Conveying cylinder 2 belongs to the height on the horizontal plane normal direction with the height that hopper 3 junctions belong on the horizontal plane normal direction greater than conveying cylinder 2 and water tank 4 junctions; Wherein, carry cylinder 2 and the height that hopper 3 junctions belong on the horizontal plane normal direction to be expressed as: carrying cylinder 2 and hopper 3 junctions to carry the height of the center of circle on the horizontal plane normal direction of cylinder 2; Carry cylinder 2 and the height that water tank 4 junctions belong on the horizontal plane normal direction to be expressed as: to carry cylinder 2 and water tank 4 junctions to carry the height of the center of circle on the horizontal plane normal direction of cylinder 2.
Above-mentioned pumping machine is when suction; Because the bearing of trend of pumping mechanism place axis and car body 5 bearing of trends place axis keep level; And form angle between the bearing of trend place axis of control pumping mechanism and the horizontal plane; And the height that conveying cylinder 2 and hopper 3 junctions belong on the horizontal plane normal direction belongs to the height on the horizontal plane normal direction greater than conveying cylinder 2 and water tank 4 junctions, also promptly when pumpdown, pumping mechanism is inclined relative to horizontal the height of setting with the charging aperture of raising conveying cylinder 2, like this; A part of concrete in the hopper 3 just can flow under the effect of self gravitation automatically to be carried in the cylinder 2; And concrete relies on self gravitation in carrying cylinder 2, to flow, and has improved the suction efficient of pumping mechanism, thereby improves the pumping efficiency of concrete pumping machinery; And reduce to have improved the pump-conveying property of concrete pumping machinery because of carrying cylinder 2 to inhale the empty vibration that causes; On the other hand, concrete flows into through deadweight and carries in the cylinder 2, and relies on self gravitation in carrying cylinder 2, to flow, and has reduced the energy consumption in the suction action.
Understandable, in order to satisfy the structure design of pumping machine, and reach the purpose of the suction efficient that improves pumping mechanism, can limit forming angle between the bearing of trend place axis of pumping mechanism and the horizontal plane.Preferably, this angle can be set to 0 ° to 12 °.As the scheme that is more preferably, this angle can be set to 2 ° to 5 °.
In specific embodiment; Goal of the invention for the utility model; The bearing of trend place axis of pumping mechanism and car body 5 bearing of trends place axis keep level; Under the pumping duty, be provided with between bearing of trend place axis and the horizontal plane of pumping mechanism and form angle, its specific embodiment can for: on car body 5, supporting leg is set; Under the pumping duty; Through the extension elongation of control diverse location place supporting leg, make to form angle between bearing of trend place axis and the horizontal plane of pumping mechanism, and carry height on cylinder 2 and place, the hopper 3 junctions horizontal plane normal direction greater than the height of carrying on cylinder 2 and place, the water tank 4 junctions horizontal plane normal direction.
Please refer to Fig. 1,, be provided with two second supporting legs 62 at tail end near master cylinder 1 being provided with two first supporting legs 61 near the front end of carrying cylinder 2.Under non-pumpdown state, first supporting leg 61 and the withdrawal of second supporting leg 62, the bearing of trend place axis of pumping mechanism and car body 5 bearing of trends place axis maintenance level are promptly identical in the installation relation of pumping mechanism and the prior art in this pumping machine.When pumpdown; Control is H1 near the extension elongation value of first supporting leg 61 of carrying cylinder 2 one ends; Extension elongation value near second supporting leg 62 of master cylinder 1 one ends is H2, and H1＞H2, makes to form angle between bearing of trend place axis and the horizontal plane of pumping mechanism; At this moment, also become the α angle between car body 5 bearing of trends place axis and the horizontal plane.
Supporting leg extension elongation through carrying cylinder 2 front ends and master cylinder 1 tail end different; Raise carrying the front end (promptly carrying cylinder 2 charging apertures one end) of cylinder 2 in the pumping machine; Like this; A part of concrete in the hopper 3 just can flow under the effect of self gravitation automatically to be carried in the cylinder 2, and concrete relies on self gravitation in carrying cylinder 2, to flow.Understandable, in this embodiment, to have avoided the structure of pumping machine in the prior art is changed significantly, the extension elongation through control diverse location supporting leg when pumpdown just can remain in pumping mechanism and form angle between the horizontal plane; On the other hand, can adjust the angle value according to the practical application needs, the extension elongation of promptly adjusting supporting leg obtains different angle values, and its control operation is simple, and compliance is stronger.
Owing to greater than the extension elongation of car body 5,, cause pumping machine to can not get effective support so under holding state, tilt phenomenon possibly appear in supporting leg near second supporting leg 62 of master cylinder 1 tail end near the extension elongation of first supporting leg 61 of carrying cylinder 2 front ends.Therefore, can make improvement, to keep the stable of pumping machine to the structure that is applied in the supporting leg among this embodiment.Below, be that example is elaborated to the supporting leg that is used for pumping machine in the utility model with first supporting leg 61.
Please with reference to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of supporting leg in the pumping machine in the utility model, and Fig. 3 is the structure for amplifying sketch map at A place among Fig. 2.
Shown in figure; First supporting leg 61 comprises supporting leg 611; Below supporting leg 611, be provided with supporting leg seat 612, ball head structure is processed in the bottom of supporting leg 611, and the jointing 613 that matches with ball head structure is set in supporting leg seat 612; Jointing 613 is fixed in the supporting leg seat 612, and supporting leg 611 can rotate in jointing 613.When this supporting leg is used in the above-described embodiments; When supporting leg 611 possibly tilt phenomenon occur,,, supporting leg 611 carries out angle adjustment but rotating self adaptation in jointing 613 through hinged cooperation the between supporting leg 611 and the supporting leg seat 612; Thereby make supporting leg seat 612 contact with ground maintenance face; The pressure that supporting leg 611 bears is passed to the bottom surface through supporting leg seat 612, realizes effective support of pumping machine, and is stable to keep pumping machine.
In the utility model embodiment; Can also below corresponding supporting leg, supporter be set; Raise carrying the front end of cylinder 2 in the pumping mechanism; Realize that pumping mechanism is inclined relative to horizontal setting, and make and form angle between bearing of trend place axis and the horizontal plane of pumping mechanism, thereby improve the suction efficient of pumping mechanism.
Further, in order to improve the suction efficient of pumping mechanism, can also make further qualification to the structure of hopper 3.
In above-mentioned specific embodiment, hopper 3 comprises front wallboard and rear wall plate, carries cylinder 2 to be connected with rear wall plate, and the axis perpendicular (rear wall plate and the axis normal of carrying cylinder 2 promptly are set) at rear wall plate and pumping mechanism bearing of trend place is set.Please with reference to shown in Figure 4; For pumping mechanism suction efficiency analysis sketch map in the utility model, when pumpdown, form angle owing to carry between cylinder 2 and the horizontal plane; And the axis normal of rear wall plate and conveying cylinder 2; Then rear wall plate and the top dead centre A that carries cylinder 2 link positions with form in the horizontal direction down to a B predetermined apart from d, and d=D * sin α, wherein D is for carrying the cylinder diameter of cylinder 2.
Understandable; In the horizontal range d between A, B; A part of concrete can vertically get under the effect of self gravitation and carry in the cylinder 2 in the hopper 3; And can and concrete rely on self gravitation carrying in the cylinder 2 to flow, thereby further improved the suction efficient of pumping mechanism, thereby the pumping efficiency of raising concrete pumping machinery.
In the above-described embodiments; Because car body 5 is arranged in parallel with pumping mechanism; And car body 5 and pumping mechanism are all with respect to being obliquely installed between the horizontal plane; So hopper 3 rear wall plates keep vertical with the axis at pumping mechanism bearing of trend place, can need not hopper in the prior art 3 is adjusted with the mechanism that carries cylinder 2.
On hopper 3 front wallboards, be connected with discharge nozzle, carrier pipe is connected with discharge nozzle, and for the ease of the layout of carrier pipe, when pumpdown, keeping the axis of discharge nozzle is horizontal direction.Axis through discharge nozzle is set to horizontal direction, can connect straight tube at the discharge end of discharge nozzle, is convenient to the layout of carrier pipe.
More than a kind of pumping machine that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment 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. pumping machine; Comprise car body, be installed in pumping mechanism and hopper on the car body, said pumping mechanism comprises master cylinder and carries cylinder, between master cylinder and conveying cylinder, is provided with water tank; Said conveying cylinder is connected with hopper; The bearing of trend place axis of said pumping mechanism and said car body bearing of trend place axis keep level, it is characterized in that, under the pumping duty; Make between bearing of trend place axis and the horizontal plane of said pumping mechanism and form angle, and carry height on cylinder and place, the hopper junction horizontal plane normal direction greater than carrying cylinder and water tank junction to belong to the height on the horizontal plane normal direction.
2. pumping machine as claimed in claim 1; It is characterized in that; On said car body, supporting leg is set; Under the pumping duty, said car body, makes between bearing of trend place axis and the horizontal plane of said pumping mechanism and forms angle greater than the extension elongation of said car body near the supporting leg of master cylinder one end near the extension elongation of the supporting leg of carrying cylinder one end.
3. pumping machine as claimed in claim 2; It is characterized in that said supporting leg comprises supporting leg and supporting leg seat, ball head structure is arranged in the bottom of supporting leg; The jointing that matches with the ball head structure of supporting leg is set in the supporting leg seat, and supporting leg can rotate in jointing.
4. like each described pumping machine of claim 1-3, it is characterized in that said hopper comprises front wallboard and rear wall plate, carry cylinder to be connected, rear wall plate and said pumping mechanism bearing of trend place axis normal with rear wall plate.
5. pumping machine as claimed in claim 4 is characterized in that, on front wallboard, is connected with discharge nozzle, and the axis of discharge nozzle is a horizontal direction when pumpdown.
6. according to claim 1 or claim 2 pumping machine is characterized in that said angle is 0 ° to 12 °.
7. pumping machine as claimed in claim 6 is characterized in that, said angle is 2 ° to 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203892977U CN202280252U (en) | 2011-10-13 | 2011-10-13 | Pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203892977U CN202280252U (en) | 2011-10-13 | 2011-10-13 | Pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280252U true CN202280252U (en) | 2012-06-20 |
Family
ID=46226426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203892977U Expired - Fee Related CN202280252U (en) | 2011-10-13 | 2011-10-13 | Pumping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067874A1 (en) * | 2011-11-09 | 2013-05-16 | 中联重科股份有限公司 | Mounting structure for a concrete pumping unit and concrete pumping equipment |
| CN103556829A (en) * | 2013-10-25 | 2014-02-05 | 中联重科股份有限公司 | Concrete pumping working condition simulation test system |
-
2011
- 2011-10-13 CN CN2011203892977U patent/CN202280252U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067874A1 (en) * | 2011-11-09 | 2013-05-16 | 中联重科股份有限公司 | Mounting structure for a concrete pumping unit and concrete pumping equipment |
| CN103556829A (en) * | 2013-10-25 | 2014-02-05 | 中联重科股份有限公司 | Concrete pumping working condition simulation test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20171013 |