The horizontal concrete agitator truck
The utility model relates to the engineering loader transporter vehicle, especially a kind of horizontal concrete agitator truck.
Concrete mixer truck is the main transportation device of concrete transportation in engineering construction, concrete mixer truck on home market generally adopts the conventional confguration pattern, namely stirring the tank body front end is connected rear by bearing support before subframe with reductor, the raceway of tank body is stirred in rear end by 2 support roller supportings on the subframe rear support, form 3 supporting structure tiltings and install, motor driving stirs the tank body rotation and realizes the concrete-agitating mode.There is following problem in the tradition Mixer Truck:
(1) the car load height dimension is difficult to control, and is prone to superelevation.The self-propelled vehicle safe and technical specification GB7258 of country regulation transport vehicle height overall is no more than 4m, and generous amount Mixer Truck major part all transfinites, and is bad by performance.
(2) the car load center of gravity is high, to Vehicle Driving Cycle, brings serious potential safety hazard, easily overturns while turning especially, directly endangers chaufeur and passerby's safety.
(3) the stirred pot plot ratio can only reach 65% left and right, and transport economic specific property is not high.
(4) when making generous amount Mixer Truck, only have to lengthen and stir tank body, the lengthening of stirring tank body causes moving after the raceway bearing position, make it to middle back axle centre distance increase, the moment of flexure of subframe increases, cause subframe girder generation plastic deformation, fracture of frame even occurs, this is the common failure mode of Mixer Truck.In order to prevent subframe girder generation plastic deformation, need to improve the load-carrying capacity of associated components, certainly will increase complete machine weight, cause manufacturing cost increase, oil consumption increasing and carrying capacity to reduce.
(5) segregation phenomenon is difficult to control, and can not fundamentally eliminate concrete segregation phenomenon.Why cement concrete will keep prolonged agitation in transportation, will make exactly cement concrete not produce segregation, otherwise just can not use.Thereby the Mixer Truck of existing structure form is to lean on the rotation of cylindrical shell to drive concrete stirring,, for cement concrete, belongs to the stirring of indirect form, so there is the problem of ' segregation ' all the time in the Mixer Truck of existing structure form, just degree varies in size.
Its helix line and difficult parameters to be to meet design requirement when (6) blade was made, and measure and check difficulty.Blade and cylindrical shell are by being welded to connect, and thermal deformation is larger in welding process.On the other hand, almost can't change after blade wear, the maintainability of blade is poor.
For above problem, new problem has been proposed for the improvement of Mixer Truck.
At present, generally adopt and reduce stirring tank body degree of dip and remove subframe and use two kinds of optimal way of chassis special:
A kind of is to adopt reduction to stir the tank body degree of dip to reach the purpose that reduces car load height, car load center of gravity.This kind mode has just been revised stirring tank body degree of dip simply, by reducing degree of dip, reaches reduction car load center of gravity, and the stirring structure form of itself does not change, and still utilizes the stirring tank body to rotate to stir.
Another kind is to adopt to remove the purpose that subframe reaches reduction car load height, car load center of gravity with chassis special and prevents the vehicle frame distortion.Although this kind mode has certain advantage on the generous amount Mixer Truck of manufacturing, but still fails to tackle the problem at its root.
Summary of the invention
For the prior art above shortcomings, the purpose of this utility model is to provide and a kind ofly can reduces car load height and center of gravity, raising plot ratio, can guarantee again that vehicle frame is indeformable, the concrete material is not emanated and technical scheme easy to maintenance in transportation.Adopt tank body fully horizontally-arranged, with the angle on plane on vehicle frame be that the zero degree tank body is fixed, blade rotation, but the horizontal concrete stirring movement car of the angle of 10 °-15 ° of tank body liftings during discharging.
the technical solution of the utility model is achieved in that and comprises chassis, lifting device, mixing device, subframe, tank body, trip shaft, be connected with U-bolt between aforesaid chassis and subframe, be placed with tank body on subframe, the both sides outside weld of tank body rear end is connected to overturning seat, trip shaft passes the hole of overturning seat and the hole of subframe rear end successively, the tank cylinder two ends of tank body are welded with respectively tank body front head and tank body rear head, the input shaft of the HM Hydraulic Motor connection reducer of its mixing device, the output shaft of retarder and shaft one end spline joint, the other end of shaft inserts the axis hole of bearing seat A successively, the hole of tank body front head, the hole of stirring vane assembly, the hole of bracing frame, the axis hole of the hole of tank body rear head and bearing seat B, bracing frame and tank body inner top are welded to connect, the elevating ram undersetting of aforesaid lifting device is welded on subframe, and the tank body front head is welded with the elevating ram upper bracket, is connected with elevating ram between elevating ram undersetting and elevating ram upper bracket, discharging mechanism is arranged at tank body rear head bottom, and feeding mechanism is arranged at the tank body top.
Also have, seal ring A is arranged between the hole of tank body front head and shaft, seal ring B is arranged between tank body rear head and shaft.
Also have, in tank body, on the shaft both sides of bracing frame, 2-8 stirring vane assembly is housed.
Further, the erection support of the charging open and close door oil cylinder of feeding mechanism is welded on the tank body top, and the piston rod of charging open and close door oil cylinder is connected with the charging open and close door, and the charging open and close door inserts in the slotted eye of feeder hopper lower end, and feeder hopper is connected with tank body welding.
Further, the erection support of the discharging open and close door oil cylinder of discharging mechanism is welded on the tank body rear head, the piston rod of the discharging open and close door oil cylinder discharging bindiny mechanism of ining succession, and the discharging open and close door is equipped with in discharging bindiny mechanism, and discharging bindiny mechanism is contained on the discharging trough biside plate.
While using the utility model, elevating ram, HM Hydraulic Motor, charging are opened and closed oil cylinder, discharging open and close door oil cylinder etc. connect fluid power system on car.The tank body mounting means is horizontal installation, HM Hydraulic Motor drives the shaft rotation, and the stirring vane assembly is housed on shaft, agitating mode is the direct stirring of stirring vane assembly rotation, promoting cement concrete by the dextrorotation of stirring vane assembly becomes vortex motion to stir, discharge way is the complex method of the stirring vane assembly formula of tucking in out and flow by gravity formula, the main thrust that relies on the counter-rotating of stirring vane assembly, cement concrete is released, and discharge rate can be regulated by stirring vane assembly rotating speed and discharging closing door size; For making discharging clean, surplus ratio is lower, then is aided with lifting device cylindrical shell is tilted to 10 °-15 °, thereby guarantees that discharging is clean, almost reaches without the residue clout; Tank body lies on subframe, the compositions such as tank body front head, tank body rear head, feeding mechanism and discharging mechanism.Forward and backward end socket is welded on respectively the tank body two ends, and mixing device is arranged on the forward and backward end socket of tank body, and feeding mechanism and discharging mechanism are arranged on respectively tank body top tail end and rear head below.The tank body front head connects lifting device, rear end connects trip shaft, by hydraulic actuating cylinder, stretches out and reaches the lifting effect.
The effect that the utility model is useful is: the car load center of gravity is reduced, eliminate and cause the potential safety hazard of overturning because center of gravity is high, the car load height is reduced, meet the requirement of national self-propelled vehicle safe and technical specification rules; Make vehicle frame indeformable, reduce potential safety hazard; Make the tank body plot ratio improve more than 20% (Volumetric efficiency can reach 85%-90% more than), increase economic benefit; Utilize the mode of the direct stirring concrete material of stirring vane assembly, make the concrete material not produce segregation phenomenon; Stirring vane assembly bolt is installed and can be discharged, and is easy to maintenance.
Description of drawings
Further illustrate the utility model below in conjunction with accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model tank body is contained in scheme of installation on subframe;
Fig. 3 is the utility model mixing device structural representation;
Fig. 4 is the utility model tank body lifting schematic diagram;
Fig. 5 is the utility model feeding mechanism structural representation;
Fig. 6 is the utility model discharging mechanism structural representation;
Fig. 7 is that Fig. 6 A-A is to the TV structure schematic diagram.
in figure: the 1-chassis, the 2-lifting device, 3-U type bolt, the 4-mixing device, the 5-subframe, the 6-tank body, the 7-trip shaft, the 8-overturning seat, 9-elevating ram undersetting, 10-elevating ram upper bracket, 11-tank body front head, the 12-feeding mechanism, the 13-discharging mechanism, the 14-HM Hydraulic Motor, the 15-retarder, 16-bearing seat A, 17-seal ring A, 18-stirring vane assembly, the 19-shaft, the 20-bracing frame, 21-seal ring B, 22-tank body rear head, 23-bearing seat B, the 24-elevating ram, 25-charging open and close door oil cylinder, 26-charging open and close door, the 27-feeder hopper, 28-discharging open and close door oil cylinder, the 29-discharging trough, 30-discharging bindiny mechanism, 31-discharging open and close door.
The specific embodiment
as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, comprise chassis 1, lifting device 2, mixing device 4, subframe 5, tank body 6, trip shaft 7, be connected with U-bolt 3 between aforesaid chassis 1 and subframe 5, be placed with tank body 6 on subframe 5, tank body 6 both sides, rear end outside welds are connected to overturning seat 8, trip shaft 7 passes the hole of overturning seat 8 and the hole of subframe 5 rear ends successively, the tank cylinder two ends of tank body 6 are welded with respectively tank body front head 11 and tank body rear head 22, the input shaft of HM Hydraulic Motor 14 connection reducers 15 of its mixing device 4, the output shaft of retarder and shaft 19 1 end spline joints, the other end of shaft 19 inserts the axis hole of bearing seat A16 successively, the hole of tank body front head 11, the hole of stirring vane assembly 18, the hole of bracing frame 20, the axis hole of the hole of tank body rear head 22 and bearing seat B23, bracing frame 20 is welded to connect with tank body 6 inner tops, the elevating ram undersetting 9 of aforesaid lifting device 2 is welded on subframe 5, and tank body front head 11 is welded with elevating ram upper bracket 10, is connected with elevating ram 24 between elevating ram undersetting 9 and elevating ram upper bracket 10, discharging mechanism 13 is arranged at tank body rear head 22 bottoms, and feeding mechanism 12 is arranged at tank body 6 tops.
Also have, between the hole of tank body front head 11 and shaft 19, seal ring A17 is arranged, between tank body rear head 22 and shaft 19, seal ring B21 is arranged.
Also have, in tank body 6, on shaft 19 both sides of bracing frame 20,2-8 stirring vane assembly 18 is housed.
Further, the erection support of the charging open and close door oil cylinder 25 of feeding mechanism 12 is welded on tank body 6 tops, the piston rod of charging open and close door oil cylinder 25 is connected with charging open and close door 26, and charging open and close door 26 inserts in feeder hopper 27 lower end slotted eyes, and feeder hopper 27 is welded to connect with tank body 6.
Further, the erection support of the discharging open and close door oil cylinder 28 of discharging mechanism 13 is welded on tank body rear head 22, the piston rod of the discharging open and close door oil cylinder 28 discharging bindiny mechanism 30 of ining succession, discharging open and close door 31 is equipped with in discharging bindiny mechanism 30, and discharging bindiny mechanism 30 is contained on discharging trough 29 biside plates.
The utility model, stirring vane assembly 18 adopts one side of bar T-shaped, the another side bolt pair connects two and half anchor ears.