Can regulate the dump skip device of blanking and have its concrete batch plant
Technical field
The present invention relates to a kind of concrete batch plant of regulating the dump skip device of blanking and having it.
Background technology
In the constructional engineering machinery field, concrete mixing plant (building) is experiencing fast development, and the client more and more pursues the quality of product, requires higher stirring efficiency on the one hand, pursues the shorter agitation cycle cycle on the other hand.
In the circulation of concrete mixing plant operate as normal, the factor that influences the mixing plant work period is a lot, and one of them key factor is exactly the stirring host discharge time.
All be provided with the dump skip device on the stirring host, be used for controlling discharge rate.The Dump gate of the existing dump skip device on the stirring host has three kinds of states: full-gear, half-open position, closure state.The concrete mixing plant discharging structure is generally following mode, normally under the stirring host discharge gate dump skip is installed, dump skip is used for transition storage concrete, and in the dump skip bottom canvas filler rubber pipe is installed, use folder rod device, the standard-sized sheet of control discharging, half-open and closed.In order to improve discharge rate, reduce the single-deck discharge time, it is half-open or reduce the half-open time to cancel the main frame discharge gate during operation, so that increase wide-open time, thereby improves single-deck material discharge rate greatly.But if it is half-open to cancel the main frame discharge gate merely, concrete will enter in the dump skip fast, the concrete that accumulates in the dump skip also enters the trucd mixer charging aperture simultaneously fast, may cause concrete in charging aperture place buildup, cause the trucd mixer putty, can influence the discharge time on the contrary.Therefore, have only the dump skip device of half-open, standard-sized sheet and closed three kinds of state of a controls can not satisfy actual discharging demand.
Therefore, industry need be improved the dump skip device, opens and closes degree so that can control discharge gate easily.
Summary of the invention
Technical problem to be solved by this invention provides a kind of dump skip device of blanking controllable and has its concrete batch plant, can control discharge gate easily and open and close degree.
For solving the problems of the technologies described above, the invention provides a kind of dump skip device of blanking controllable, comprising: the dump skip assembly; And the discharge gate assembly, be connected to the below of dump skip assembly, it is characterized in that the discharge gate assembly comprises: the tubular valve body, be connected with the valve hopper component, have blanking channel; Valve portion is arranged on the tubular valve body, comprising: rotating shaft, and door-plate, be connected in the rotating shaft, and drive division, and be connected to the end of rotating shaft, drive rotating shaft and make door-plate optionally be in optional position between fully open position and the full close position.
Further, valve portion is the clamshell doors structure, comprises an opposed countershaft and corresponding a pair of door-plate.
Further, drive division comprises: cylinder comprises cylinder block and piston rod; And two rocking arm portions, one of them rocking arm portion is connected between a cylinder block and the corresponding rotating shaft, and another rocking arm portion is connected between piston rod and another rotating shaft correspondingly.
Further, the tubular valve body comprises: the valve body body of tubular; Backplate is arranged on the valve body inner body wall and extension to the inside, and backplate is positioned at the valve portion top.
Further, backplate is an annular element, and its diameter of bore is less than the closed shutoff size of a pair of door-plate.Such as it can be the annular element on plane
Further, backplate is the inverted cone shape annular element of receiving in the lower end.
Further, the valve body body is cylindric, and two ends towards the rotating shaft two ends of door-plate have curved edge.Curved edge not only can adapt with the circle tube inner wall of tubular body, also can adapt with the lower end of inverted cone shape annular guard board, to cover better or the shutoff blanking channel.
Further, the discharge gate assembly also comprises opposed a pair of pedestal portion, comprising: housing, be connected on the sidewall of tubular valve body, and comprise the peristome that opens wide towards the tubular valve body; And first pedestal and second pedestal, being separately positioned on the housing two ends, the sidewall of tubular valve body is provided with and the corresponding lateral opening of the peristome of each pedestal portion; One countershaft is separately positioned in this a pair of pedestal portion, and supports by first pedestal separately and second pedestal of this a pair of pedestal portion.
Further, the dump skip assembly comprises: a plurality of strickles, the upper end of each strickle are straight flange, and the lower end is most advanced and sophisticated, and the upper end straight flange of each strickle is in turn connected to form quarrel on the polygon; A plurality of arcs, the upper end of each arc are most advanced and sophisticated, and the lower end is the circular arc limit, and the lower end of each arc is in turn connected to form circular quarrel down; Wherein, a plurality of strickles are arranged with a plurality of arc each intervals and are linked to each other with side.
Further, the dump skip assembly also comprises: a plurality of connecting plates are separately positioned on each limit of quarrel, and protrude laterally; Discharge barrel is connected down the below of quarrel; And the dump skip flange, be connected the lower end of discharge barrel; The upper end of the tubular valve body of discharge gate assembly is provided with the valve flanges that matches with the dump skip flange.
According to another aspect of the present invention, also provide a kind of concrete batch plant, comprised stirring host and the dump skip device that is installed in above-described any blanking controllable on the described stirring host.
The present invention has following technique effect:
1. because in the device for discharging, drive division is connected to the end of rotating shaft, driving described rotating shaft makes described door-plate optionally be in optional position between fully open position and the full close position, thereby the switching degree of by-pass valve control door-plate easily, and then control discharge process effectively, improve the discharge rate of concrete batch plant, increase work efficiency.
2. the present invention adopts the valve mechanism of clamshell doors, and utilize the cylinder two ends to connect and drive the corresponding valve door-plate of two rotating shafts of valve portion by rocking arm portion, this kind drives structure simplicity of design, and two valve door-plates are stressed evenly, and blanking is fallen by the centre position between two door-plates all the time, blanking is convenient in the equilibrium of blanking position.
3. in the tubular valve body backplate is set, can prevents effectively that material such as concrete mortar from splashing or penetrate in the rotating shaft, reduces the rotating shaft wearing and tearing, the life-span that can improve valve member.
4. the valve door-plate pivots at the particularly cylindric valve inner of tubular, often has bigger fit clearance between the two, and further defines annular guard board among the present invention, and it can realize shutoff to material well with the valve door-plate under closure state.
5. annular guard board can be the annular element on plane, also can be the inverted cone shape annular element of receiving in the lower end, in the latter case, with respect to the former, more helps the following of material during valve open and unloads.
6. pedestal portion is set on the tubular valve body, and valve portion is installed on the valve body by this pedestal portion, Stability Analysis of Structures, reliable.
7. the dump skip assembly comprises strickle and arc, form the structure of square top and round bottom, the upper end can cooperate with the square discharging opening on the mixing plant like this, and the circular discharging structure of below more helps discharging, thereby can satisfy actual needs better, realize better discharging effect.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.With reference to figure, the present invention is further detailed explanation below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective view of a preferred embodiment of dump skip device of the present invention;
Fig. 2 shows the perspective view of dump skip assembly in the device for discharging among Fig. 1; And
Fig. 3 shows the perspective view of the biopsy cavity marker devices of dump skip assembly in the device for discharging among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, dump skip device of the present invention comprises dump skip assembly 10 and discharge gate assembly 20, the lower end of dump skip assembly has dump skip flange 211, the upper end of discharge gate assembly 20 is provided with valve flanges 215, by these two flanges, discharge gate assembly 20 is connected to the below of dump skip assembly 10.
Come again referring to Fig. 2 and Fig. 3, discharge gate assembly 20 comprises tubular valve body 21, valve portion 23 and drive division 24, on tubular valve body 21 pedestal portion 22 can be set further, valve portion 23 is installed in the described pedestal portion 22, and crosses pedestal portion 22 and be installed on the tubular valve body 21.
Tubular valve body 21 comprises the valve body body 211 of tubular, and for example, it can be the square tube shape, also can be cylindric.Be cylindric in the present embodiment.The upper end of valve body body 211 is connected with dump skip flange 215.
The sidewall of tubular valve body 211 is provided with lateral opening, is used in this position mounted valve portion 23 and pedestal portion 22 (if there is) that are used to support valve portion.
Valve portion 23 can adopt the structure of single open-door, also can adopt the structure of clamshell doors.Can see from Fig. 2 and Fig. 3, in the present embodiment, valve portion 23 is the clamshell doors structure, comprise an opposed countershaft 231 and corresponding a pair of door-plate 232, rotating shaft 231 is arranged in the lateral opening place on the tubular body wall, door-plate 232 is connected in the rotating shaft 231, makes the door-plate of valve portion 23 can be positioned at the inside of tubular valve body 211.The door-plate of control blanking is that a door-plate can be installed in the rotating shaft 10 by securing member (bolt, packing ring and nut etc.) 233, also can be welded in the rotating shaft, by the unlatching and the closure of door-plate, to arrive the concrete blanking amount of control of regulating.
From Fig. 2 and Fig. 3, can see,, be provided with opposed a pair of lateral opening on the tubular valve body 211 in order to arrange an opposed countershaft.At each lateral opening place, a pedestal portion 22 is installed respectively with opposed form.Each pedestal portion 22 comprises housing 221 and lays respectively at first pedestal 222 at housing two ends and second 223.Housing 221 is connected on the sidewall of tubular valve body 211, comprise the first shell plates 221a that the setting that is positioned at the side arranges, be connected and two second shell plates 221b that are arranged in parallel and the 3rd shell plates that is connected the end of the first shell plates 221a, the second shell plates 221b with the lower limb of the top edge of the first shell plates 221a respectively, also comprise towards the unlimited peristome 221d of the lateral opening 217 of tubular valve body 211.A rotating shaft 231 is set in each pedestal, and the two ends of rotating shaft 231 are supported by first pedestal 222 and second pedestal 223 respectively.
Drive division 24 is connected to the end of rotating shaft 231, comprises cylinder 241 and two rocking arm portions 242.Cylinder 241 comprises cylinder block and piston rod; the form that rocking arm portion 242 is configured to crank arm; one of them rocking arm portion 242 is connected between the rear end and a corresponding rotating shaft 231 of cylinder block, and another rocking arm portion 242 is connected between the front end of piston rod and another rotating shaft 231 correspondingly.Like this, when cylinder 241 drove, the relative cylinder block of piston rod was stretched out, and then cylinder is done as a wholely, and its two ends drive two door-hinges respectively and pivot simultaneously, thereby change the pivoting angle of door-plate 232.Enter cylinder or, can change the extension elongation of piston rod by control, thereby can make door-plate be in any desired location between fully open position and the full close position, realize the switching degree of regulating discharge gate easily from the air-flow that cylinder is discharged.The unlatching of door-plate and the closed size that will change the dump skip discharging opening are regulated and control discharging amount to reach.The drive unit of drive division 24 also can be executing agencies such as motor.
Fig. 2 and Fig. 3 also have backplate 216 in the valve body body 211 of tubular again, and it is arranged on valve body body 211 inwalls and extends to the inside.In the enforcement that illustrates in the drawings, backplate 216 is connected with the valve flanges 216 of discharge gate upper end.The purpose of backplate is to prevent that concrete mortar from splashing or penetrate in the rotating shaft 10, and what further drain into bearing block pedestal and rotating shaft cooperates intermittently, quickens the wearing and tearing of rotating shaft and bearing block.Backplate 216 can have various ways, and for example, it can extend above the rotating shaft 231 of valve portion 23, covers from rotating shaft 231 exposed portions in valve body body 211 that looks up, and also can further cover backplate 216 and be positioned at valve portion 23 tops.By covering the expose portion of rotating shaft, can play good protective action by countershaft, prevent that material such as mortar is splashed in the rotating shaft, prevents the wearing and tearing of countershaft.Can see that from Fig. 2 and Fig. 3 backplate is the inverted cone shape annular element of receiving in the lower end, this not only can play better protective action, and helps the whereabouts of material.Backplate can also be the annular element on plane, for example is a plain cushion shape.In the present embodiment, the diameter of bore of backplate is less than the Outside Dimensions in the whole shutoff zone of a pair of door-plate 232 when the closure, with better shutoff blanking channel.
Still referring to Fig. 2 and Fig. 3, valve body body 211 is cylindric, and two ends towards rotating shaft 231 two ends of door-plate 232 have curved edge.Curved edge not only can adapt with the circle tube inner wall of tubular body, also can adapt with the lower end of inverted cone shape annular guard board, to cover better or the shutoff blanking channel.
Fig. 1 again, the dump skip conical section of dump skip assembly 10 is formed by arc 11 and strickle 13 weldings, comprises a plurality of strickles 13 and a plurality of arc 11.A plurality of strickles 13 are arranged with a plurality of arc 11 each intervals and are linked to each other with side.The upper end of each strickle 13 is a straight flange, and the lower end is most advanced and sophisticated, and the upper end straight flange of each strickle 13 is in turn connected to form quarrel on the polygon; A plurality of arcs 11, the upper end of each arc 11 are most advanced and sophisticated, and the lower end is the circular arc limit, and the lower end of each arc 11 is in turn connected to form circular quarrel down.In order to increase wearability, abrasion-proof backing block can be installed in each side plate (comprising strickle and arc) inboard of awl bucket.Dump skip assembly 10 further comprises a plurality of connecting plates 12, is separately positioned on each limit of quarrel, and protrudes laterally.These connecting plate 12 weld all arounds form mounting plane in the dump skip upper part, this installed surface is installed in concrete mixing plant and stirs on the layer platform.During concrete enforcement, these connecting plates also can be the upper end-face edge flange of each strickle and the turn-up portion that forms.Discharge barrel 14 is welded on down the below of quarrel, and discharge barrel 14 is connected with the dump skip cone base, and the concrete that can guarantee to bore in the bucket relies on the deadweight water conservancy diversion to enter in the discharge barrel.The dump skip flange can be welded in discharge barrel 14 bottoms.This dump skip flange 211 is connected with the valve flanges 215 of the upper end setting of the tubular valve body 21 of discharge gate assembly 20.Dump skip flange 211 is installed in the dump skip flange of dump skip cone base by securing members such as bolts.As required, dump skip is not limited to shown square top and round bottom form, also can be set to circular, taper, square tubular, circular upper part and square lower part wait various forms.
The discharge gate assembly of dump skip assembly bottom can be made into integral body.The dump skip assembly is connected by ring flange with the discharge gate assembly, is convenient on the one hand make and install, and is convenient to repair demolition on the other hand.
Mixing plant (not shown) of the present invention comprises stirring host and the dump skip device of the present invention that is installed on the stirring host.The operation principle of mixing plant of the present invention (for example trucd mixer) is as follows.Generally, during the stirring host discharging, the main frame Dump gate has standard-sized sheet and half-open, and discharging is state at the beginning, and the main frame Dump gate is half-open position, and after concrete stirred and finishes, concrete entered in the dump skip.During the normal dnockout of concrete mixing plant, trucd mixer has been waited at dump skip bottom discharge openings place and having been connected material.Discharging begins, and concrete enters in the dump skip fast, and flows into the trucd mixer charging aperture fast, and excess speed makes concrete at trucd mixer charging aperture putty, causes flash.In order to control discharge rate, open drive unit, because the effect of drive unit, door-plate rotates with rotating shaft, changes the size of dump skip discharging opening by the rotation of bin gate, to reach the purpose of control dump skip blanking amount.
Dump skip device of the present invention and mixing plant are not limited to be used in the constructional engineering machinery aspect, and it can also be applied to similarly stir in the construction equipment in the other field.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.