CN102490271B - Concrete mixing transportation truck and mixing drum support system thereof - Google Patents
Concrete mixing transportation truck and mixing drum support system thereof Download PDFInfo
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- CN102490271B CN102490271B CN201110386959.XA CN201110386959A CN102490271B CN 102490271 B CN102490271 B CN 102490271B CN 201110386959 A CN201110386959 A CN 201110386959A CN 102490271 B CN102490271 B CN 102490271B
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Abstract
The invention discloses a mixing drum support system for a concrete mixing transportation truck, which comprises a rolling channel (1) fixed on a mixing drum (02) of the concrete mixing transportation truck, a support tank (2) arranged under the rolling channel (1) and a driving system (3) for providing fluid with pressure larger than a preset value for the support tank (2). The fluid is arranged between the rolling channel (1) and the support tank (2) and used for supporting the rolling channel (1). The rolling channel of the mixing drum support system of the structure is always suspended in the support tank, and accordingly the rolling channel can support the mixing drum and avoid abrasion deformation caused by linear contact in transportation, and shaking and crawling of the mixing drum caused by abrasion deformation between the rolling channel and the support tank are further avoided. The invention further discloses a concrete mixing transportation truck, which comprises a mixing drum and the mixing drum support system. The concrete mixing transportation truck has the same technical effects.
Description
Technical field
The present invention relates to technical field of engineering machinery, relate in particular to a kind of mixing drum support system for concrete mixing and transporting car.In addition, the invention still further relates to a kind of concrete mixing and transporting car that comprises above-mentioned mixing drum support system.
Background technology
Concrete mixing and transporting car is the engineering machinery for concrete-agitating and transport, its operation principle is: by power takeoff, the power of automobile chassis is taken out, and the variable pump of drive hydraulic system principle, mechanical energy is converted into hydraulic energy and passes to fixed displacement motor, motor drives reductor again, drive agitating device by reductor, concrete is stirred.Concrete mixing and transporting car is made up of automobile chassis and concrete-agitating transport special mechanism, and special mechanism mainly comprises power takeoff, reductor, hydraulic system, operating mechanism, mixing drum and mixing drum support system etc.
Mixing drum support system is the mechanism for supporting mixing drum, is convenient to mixing drum and stirs operation, and facilitate the transport of mixing drum.Please refer to Fig. 1, Fig. 1 is the structural representation of mixing drum support system of the prior art; Briefly introduce the defect that the mixing drum support system of this structure exists in the course of the work below.
In prior art, as shown in Figure 1, the mixing drum 2 of this concrete mixing and transporting car ' inner cone be supported in reductor 1 ' upper, it is supported in mixing drum support system.This mixing drum support system is raceway-support roller formula support system, raceway 3 ' be fixedly installed in mixing drum 2 ' outside, and raceway 3 ' bottom be fixed on automobile chassis, raceway 3 ' mixing drum 2 ' outside be also provided with support roller 4 ', support roller 4 ' longitudinal center line and mixing drum 2 ' longitudinal center line be arranged in parallel, support roller 4 ' with mixing drum 2 ', raceway 3 ' line contacts and is rotatably connected.
By said structure, raceway-support roller formula support system can play support mixing drum 2 ' effect, there is vertical and lateral displacement in restriction mixing drum 2 ' in the transportation of concrete mixing and transporting car.But, because support roller 4 ' with raceway 3 ' for line contacts, the compression being subject to is larger, the pressure exceeding the quata has accelerated its abrasion deformation, the support system of abrasion deformation makes mixing drum 2 ' shake, creep, and causes mixing drum drive system also therefore to occur that hydraulic shock, oil suction inhale the phenomenons such as empty; And due to reasons such as welding stress, rigging error, vehicle frame abrasion deformations, be difficult to ensure support roller 4 ' with raceway 3 ' remain that line contacts.
In view of this, urgently for above-mentioned technical problem, mixing drum support system to existing concrete agitator truck is optimized design, make it support the abrasion distortion producing in the process of mixing drum less, avoid the mixing drum phenomenon such as shake, creep, strengthen the job stability of mixing drum support system.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of mixing drum support system for concrete mixing and transporting car, and the abrasion deformation that it is produced is in the course of the work less, avoids the mixing drum phenomenon such as shake, creep, and strengthens its job stability.Another technical problem that the present invention will solve is for providing a kind of concrete mixing and transporting car that comprises above-mentioned mixing drum support system.
For solving the problems of the technologies described above, the invention provides a kind of mixing drum support system for concrete mixing and transporting car, comprise the raceway on the mixing drum that is fixedly installed in described concrete mixing and transporting car, also comprise the holder pond of being located at described raceway below, and provide pressure to be greater than the drive system of the fluid of predetermined value in described holder pond, described fluid is between described raceway and described holder pond, in order to support described raceway.
Preferably, inwall bottom, described holder pond is provided with pressure tank, and described drive system comprises to the hydraulic pump that described fluid is provided in described pressure tank.
Preferably, the number of described pressure tank is multiple, and multiple described pressure tanks are not connected, and described hydraulic pump leads on the branch road of each pressure tank and is equipped with flow speed control valve.
Preferably, the top ends in described holder pond is also provided with oil-recovery tank, and described oil-recovery tank is connected with fluid storage case by pipeline.
Preferably, the outer wall of described raceway is evagination circular arc, and the inwall in described holder pond is the indent circular arc matching with described evagination circular arc.
Preferably, also comprise mixing drum anti-bouncing device, described anti-bouncing device comprises hydraulic cylinder and is located at the cover plate of described raceway top; The stiff end of described cover plate and the car body of described concrete mixing and transporting car are hinged, its movable end is connected with the piston rod of described hydraulic cylinder, the piston rod of described hydraulic cylinder is located at its rodless cavity top, and its rodless cavity is connected with the delivery outlet of described hydraulic pump by pipeline.
Preferably, between the movable end of described cover plate and the piston rod of described hydraulic cylinder, be also provided with tripping spring, the movable end of described cover plate is connected with the piston rod of described hydraulic cylinder by described tripping spring.
The invention provides a kind of mixing drum support system for concrete mixing and transporting car, it comprises raceway and is located at the holder pond of raceway below, and drives raceway to be suspended in the drive system in holder pond.
Adopt this structure, make raceway be suspended in all the time the inside in holder pond, be that raceway and holder pond are in contactless state, again because raceway is fixedly installed in mixing drum outside, like this, raceway had both played the effect of supporting mixing drum, can in transportation, not produce abrasion deformation with holder pond again, certainly, also avoided due to the mixing drum that raceway and holder pond abrasion deformation the cause generation of phenomenon such as shake, creep.
In concrete technical scheme, the inwall bottom in above-mentioned holder pond can be provided with pressure tank, and above-mentioned drive system can comprise to the hydraulic pump that high-pressure fluid is provided in pressure tank.Adopt such structure, open hydraulic pump, in the pressure tank in holder pond, inject after high-pressure fluid, high-pressure fluid forms certain pressure in pressure tank, and raceway is because gravity is when pressing down, in the time that the pressure of pressure tank mesohigh fluid and the gravity of raceway reach balance, raceway can be held up, make raceway be suspended in holder inside, pond, but do not contact with holder pond inwall, realized fluid suspended function.
The present invention is a kind of concrete mixing and transporting car also, comprises mixing drum; Also comprise mixing drum support system as above.
Because above-mentioned mixing drum support system has above-mentioned technique effect, therefore, comprise that the concrete mixing and transporting car of this mixing drum support system also should have identical technique effect, do not repeat them here.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of mixing drum support system in prior art;
Fig. 2 is the structural representation of a kind of detailed description of the invention of mixing drum support system provided by the present invention;
Fig. 3 is the fundamental diagram of a kind of detailed description of the invention of mixing drum support system provided by the present invention, and shows raceway and the side sectional view that holds in the palm pond in Fig. 2;
Fig. 4 is the structural representation of a kind of detailed description of the invention of concrete mixing and transporting car provided by the present invention.
Wherein, the corresponding relation between Reference numeral and the component names in Fig. 1 is: reductor 1 '; Mixing drum 2 '; Raceway 3 '; Support roller 4 ';
Corresponding relation between Reference numeral and component names in Fig. 2 to Fig. 4 is: raceway 1; Holder pond 2; Drive system 3; Anti-bouncing device 4; Reductor 01; Mixing drum 02; Pressure tank 21; Oil-recovery tank 22; Sealing device 23; Hydraulic pump 31; Flow speed control valve 32; Fluid storage case 33; Overflow valve 34; Hydraulic cylinder 41; Cover plate 42; Tripping spring 43.
Detailed description of the invention
Core of the present invention is for providing a kind of mixing drum support system for concrete mixing and transporting car, and the abrasion deformation that it is produced is in the course of the work less, avoids the mixing drum phenomenon such as shake, creep, and strengthens its job stability.Another core of the present invention is for providing a kind of concrete mixing and transporting car that comprises above-mentioned mixing drum support system.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of detailed description of the invention of mixing drum support system provided by the present invention; Fig. 3 is the fundamental diagram of a kind of detailed description of the invention of mixing drum support system provided by the present invention, and shows raceway and the side sectional view that holds in the palm pond in Fig. 2.
In a kind of detailed description of the invention, as shown in Figures 2 and 3, mixing drum support system provided by the present invention comprises raceway 1, holder pond 2 and drive system 3, raceway 1 is fixedly installed in the outside of the mixing drum 02 of concrete mixing and transporting car, the below of raceway 1 is located in holder pond 2, drive system 3 can be to the fluid that provides pressure to be greater than predetermined value in pond is provided, and fluid is between raceway 1 and holder pond 2, in order to support raceway 1.
Adopt this structure, setting pressure is that the fluid of predetermined value just can not contact with holder pond 2 in back-up roller road 1, drive system 3 is greater than the fluid of predetermined value to the interior discharge pressure in holder pond 2, this high-pressure fluid makes raceway 1 be suspended in all the time the inside in holder pond 2, be that raceway 1 and holder pond 2 are in contactless state, again because raceway 1 is fixedly installed in mixing drum 02 outside, like this, raceway 1 had both played the effect of supporting mixing drum 02, can in transportation, not produce abrasion deformation with holder pond 2 again, certainly, also avoided because raceway 1 and the mixing drum 02 that holder pond 2 abrasion deformations cause are shaken, the generation of the phenomenon such as creep.
In concrete technical scheme, the inwall bottom in above-mentioned holder pond 2 can be provided with pressure tank 21, and above-mentioned drive system 3 can comprise to the hydraulic pump 31 that high-pressure fluid is provided in pressure tank 21.Adopt such structure, open hydraulic pump 31, after the interior injection high-pressure fluid of pressure tank 21 in holder pond 2, high-pressure fluid is at the interior formation certain pressure of pressure tank 21, when raceway 1 is because gravity is when pressing down, although can push the fluid between raceway 1 outer wall and holder pond 2 inwalls, but in the time that the pressure of pressure tank 21 mesohigh fluids and the gravity of raceway 1 reach balance, raceway 1 can be held up, make raceway 1 be suspended in holder 2 inside, pond, but do not contact with holder pond 2 inwalls, realized fluid suspended function.
As can be seen here, the drive system 3 of said structure can realize raceway 1 and hold in the palm the fluid suspended of pond 2, makes raceway 1 and holder pond 2 can not produce abrasion deformation, strengthens the job stability of mixing drum support system.
Other specific constructive form of above-mentioned fluid drive system can also be further set.
In another kind of detailed description of the invention, as shown in Figure 3, the number of the pressure tank 21 of above-mentioned fluid drive system can be multiple, and multiple pressure tanks 21 are not connected, and hydraulic pump 31 leads on the branch road of each pressure tank 21 and is equipped with flow speed control valve 32.
Adopt this version, above-mentioned fluid drive system in the course of the work, primer fluid press pump 31, provide high-pressure fluid by each branch line to each pressure tank 21, each pressure tank 21 is interior all forms certain fluid pressure, if raceway 1 is because the other reasons eccentric settings such as alignment error are in the inside in holder pond 2, larger near pressure tank 21 internal pressures of raceway 1, slightly inadequate away from the pressure in the pressure tank 21 of raceway 1, because each branch road is provided with flow speed control valve 32, and each pressure tank 21 is not connected, regulating action that now can flow speed control valve 32 can be carried out pressure compensation to the pressure tank of insufficient pressure 21, make it reach enough pressure, thereby suffered buoyancy is substantially equal everywhere to make raceway 1, ensure to stir the stability of strutting system of support system.
As can be seen here, adopt the drive system 3 of said structure to make its control convenient flexibly, and can adapt to the situation of raceway 1 eccentric setting, further strengthened the labor aptitude and the reliability that stir support system.
Further, in scheme, the top ends in above-mentioned holder pond 2 can also be provided with oil-recovery tank 22, and this oil-recovery tank 22 is connected with fluid storage case 33 by pipeline.Because pressure tank 21 is located at the bottom of holding in the palm pond 2, when hydraulic pump 31 continues to input after high-pressure fluid to pressure tank 21, the high-pressure spray overflowing from pressure tank 21 is known from experience along the gap between raceway 1 and holder pond 2 upwards mobile gradually, in this process, have the pressure loss, after top arranges oil-recovery tank 22, the pressure that flow to top little fluid can flow into oil-recovery tank 22, then along oil-recovery tank 22 incoming fluid storage bins 33.Fluid in fluid storage case 33 still can recycle for hydraulic pump 31 after filtering.
As can be seen here, the above-mentioned drive system 3 of offering oil-recovery tank 22 can be by unnecessary fluid recovery, and again recycles, and has saved the financial cost of whole drive system 3.
More specifically, the outside, top in above-mentioned holder pond 2 can also be connected with raceway 1 by sealing device 23, adopts this version, and sealing device 23 can form seal chamber between holder pond 2 and raceway 1, prevents that fluid from overflowing.In addition, the output of above-mentioned hydraulic pump 31 can also be connected with overflow valve 34, and the safety valve that this overflow valve can be used as hydraulic system uses, and further strengthens the stability of drive system.
The raceway 1 of above-mentioned mixing drum support system and the concrete shape in holder pond 2 can also be further set.
In another kind of detailed description of the invention, the outer wall of above-mentioned raceway 1 can be evagination circular arc, and the inwall in holder pond 2 can be the indent circular arc matching with evagination circular arc.Adopt such version, the raceway 1 of form fit is with holder pond 2 in suspension process, and the pressure of formation can be more balanced, makes to hold in the palm pond 2 can stably hold raceway 1, further strengthens the stability of strutting system of mixing drum support system.Other versions such as certainly, above-mentioned raceway 1 and holder pond 2 can be also other shapes, and for example the outer wall of raceway 1 can be evagination triangle, the indent triangle that asks the inwall in pond 2 to be to match with evagination triangle.
About the high-pressure fluid of above-mentioned fluid suspended system, in another kind of detailed description of the invention, high-pressure fluid can be specially the fluids such as water, oil or vapour.Certainly, the most frequently used or hydraulic oil in hydraulic system, it has the feature of stable performance.
More than describe the specific constructive form of the drive system 3 in mixing drum support system in detail, introduce the miscellaneous part in mixing drum support system below.
In another kind of detailed description of the invention, in above-mentioned mixing drum support system, can also comprise mixing drum anti-bouncing device 4.This anti-bouncing device 4 can comprise cover plate 42 and hydraulic cylinder 41, cover plate 42 is located at the top of raceway 1, the car body of its stiff end and concrete mixing and transporting car is hinged, its movable end is connected with the piston rod of hydraulic cylinder 41, the piston rod of this hydraulic cylinder 41 is located at the top of rodless cavity, and its rodless cavity is connected with the delivery outlet of hydraulic pump 31 by pipeline.
Adopt the anti-bouncing device 4 of this structure, in the time that mixing drum 02 is upwards beated due to extraneous destabilizing factor, gap moment between raceway 1 and holder pond 2 becomes large, hold in the palm the pressure drop of the pressure fluid in pond 2, because the rodless cavity of hydraulic cylinder 41 is connected with the delivery outlet of hydraulic pump 31 by pipeline, thereby now the rodless cavity pressure of hydraulic cylinder 41 also declines with the high pressure fluid in holder pond 2 simultaneously, therefore, piston rod moves down, drive the movable end of cover plate 42 to move down, make cover plate 42 embrace the upper end of raceway 1, reduce the amplitude of beating of raceway 1 and mixing drum 02, strengthen the stability of strutting system of mixing drum support system.
In scheme more specifically, between the movable end of above-mentioned cover plate 42 and the piston rod of hydraulic cylinder 41, be also provided with tripping spring 43, the movable end of cover plate 42 is connected with the piston rod of hydraulic cylinder 41 by tripping spring 43.
Adopt the anti-bouncing device 4 of this structure, on the anti-jump basis of above-mentioned hydraulic cylinder 41, due to the elastic force of tripping spring 43, can further reduce beating of raceway 1 and mixing drum 02, this makes anti-bouncing device 4 become convenient flexible to the support of raceway 1 and mixing drum 02, and tripping spring 43 also has feature simple in structure, that be easy for installation and removal.
Please refer to Fig. 4, the structural representation of a kind of detailed description of the invention that Fig. 4 is concrete mixing and transporting car provided by the present invention.
As shown in Figure 4, the present invention also provides a kind of concrete mixing and transporting car, and it comprises mixing drum 02; Also comprise mixing drum support system as above, mixing drum support system supports mixing drum 02.
Because above-mentioned mixing drum support system has above-mentioned technique effect, therefore, comprise that the concrete mixing and transporting car of this mixing drum support system also should have identical technique effect, do not repeat them here.
Above a kind of concrete mixing and transporting car provided by the present invention and mixing drum support system thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (8)
1. the mixing drum support system for concrete mixing and transporting car, comprise the raceway (1) on the mixing drum (02) that is fixedly installed in described concrete mixing and transporting car, it is characterized in that, also comprise the holder pond (2) of being located at described raceway (1) below, and to the drive system (3) that provides pressure to be greater than the fluid of predetermined value in described holder pond (2), described fluid is positioned between described raceway (1) and described holder pond (2), in order to support described raceway (1).
2. the mixing drum support system for concrete mixing and transporting car according to claim 1, it is characterized in that, inwall bottom, described holder pond (2) is provided with pressure tank (21), and described drive system (3) comprises to the hydraulic pump (31) that described fluid is provided in described pressure tank (21).
3. the mixing drum support system for concrete mixing and transporting car according to claim 2, it is characterized in that, the number of described pressure tank (21) is multiple, multiple described pressure tanks (21) are not connected, and described hydraulic pump (31) leads on the branch road of each pressure tank (21) and is equipped with flow speed control valve (32).
4. the mixing drum support system for concrete mixing and transporting car according to claim 3, it is characterized in that, the top ends in described holder pond (2) is also provided with oil-recovery tank (22), and described oil-recovery tank (22) is connected with fluid storage case (33) by pipeline.
5. the mixing drum support system for concrete mixing and transporting car according to claim 2, it is characterized in that, the outer wall of described raceway (1) is evagination circular arc, and the inwall in described holder pond (2) is the indent circular arc matching with described evagination circular arc.
6. according to the mixing drum support system for concrete mixing and transporting car described in claim 1-5 any one, it is characterized in that, also comprise mixing drum anti-bouncing device (4), described anti-bouncing device (4) comprises hydraulic cylinder (41) and is located at the cover plate (42) of described raceway (1) top; The stiff end of described cover plate (42) and the car body of described concrete mixing and transporting car are hinged, its movable end is connected with the piston rod of described hydraulic cylinder (41), the piston rod of described hydraulic cylinder is located at its rodless cavity top, and its rodless cavity is connected with the delivery outlet of described hydraulic pump (31) by pipeline.
7. the mixing drum support system for concrete mixing and transporting car according to claim 6, it is characterized in that, between the piston rod of the movable end of described cover plate (42) and described hydraulic cylinder (41), be also provided with tripping spring (43), the movable end of described cover plate (42) is connected with the piston rod of described hydraulic cylinder (41) by described tripping spring (43).
8. a concrete mixing and transporting car, comprises mixing drum (02); It is characterized in that, also comprise the mixing drum support system as described in claim 1-7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110386959.XA CN102490271B (en) | 2011-11-30 | 2011-11-30 | Concrete mixing transportation truck and mixing drum support system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386959.XA CN102490271B (en) | 2011-11-30 | 2011-11-30 | Concrete mixing transportation truck and mixing drum support system thereof |
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| CN102490271A CN102490271A (en) | 2012-06-13 |
| CN102490271B true CN102490271B (en) | 2014-07-09 |
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| CN201110386959.XA Active CN102490271B (en) | 2011-11-30 | 2011-11-30 | Concrete mixing transportation truck and mixing drum support system thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886823B (en) * | 2012-09-11 | 2014-09-10 | 三一汽车制造有限公司 | Transit mixer truck and control method thereof |
| CN107081851A (en) * | 2017-05-04 | 2017-08-22 | 三汽车制造有限公司 | Concrete mixing and transporting car |
| CN107322798B (en) * | 2017-06-28 | 2018-12-04 | 三门心玄智能科技有限公司 | A kind of portable agitating device |
| CN114576536B (en) * | 2022-01-24 | 2023-09-29 | 岳阳华铭混凝土有限公司 | Butter adding device for supporting ring of concrete transport vehicle |
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| US2683026A (en) * | 1952-09-25 | 1954-07-06 | Preszler Alvin | Bearing device for concrete mixers |
| DE102007034570A1 (en) * | 2007-07-25 | 2009-01-29 | Schaeffler Kg | Antifriction bearing for use in mixer drive of mixer drum, has inner race with outer contour formed in concave shape, and outer race with inner contour formed concave complementary to outer contour |
| CN201471599U (en) * | 2009-08-28 | 2010-05-19 | 三一重工股份有限公司 | Mixing drum of concrete mixing transportation truck |
| CN201520009U (en) * | 2009-11-09 | 2010-07-07 | 中集车辆（集团）有限公司 | Riding wheel assembly for mixer truck and mixer truck with same |
| CN101811467A (en) * | 2010-05-21 | 2010-08-25 | 三一重工股份有限公司 | agitating lorry |
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2011
- 2011-11-30 CN CN201110386959.XA patent/CN102490271B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2683026A (en) * | 1952-09-25 | 1954-07-06 | Preszler Alvin | Bearing device for concrete mixers |
| DE102007034570A1 (en) * | 2007-07-25 | 2009-01-29 | Schaeffler Kg | Antifriction bearing for use in mixer drive of mixer drum, has inner race with outer contour formed in concave shape, and outer race with inner contour formed concave complementary to outer contour |
| CN201471599U (en) * | 2009-08-28 | 2010-05-19 | 三一重工股份有限公司 | Mixing drum of concrete mixing transportation truck |
| CN201520009U (en) * | 2009-11-09 | 2010-07-07 | 中集车辆（集团）有限公司 | Riding wheel assembly for mixer truck and mixer truck with same |
| CN101811467A (en) * | 2010-05-21 | 2010-08-25 | 三一重工股份有限公司 | agitating lorry |
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