CN103252841B - Device for preventing additive from being added excessively and mixing plant - Google Patents
Device for preventing additive from being added excessively and mixing plant Download PDFInfo
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- CN103252841B CN103252841B CN201310138289.9A CN201310138289A CN103252841B CN 103252841 B CN103252841 B CN 103252841B CN 201310138289 A CN201310138289 A CN 201310138289A CN 103252841 B CN103252841 B CN 103252841B
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Abstract
The invention discloses a device for preventing additive from being added excessively and a mixing plant. The device comprises a bracket, a telescopic cylinder, a flow guide part and a fixed bucket, wherein both the fixed bucket and the telescopic cylinder are arranged on the bracket; the fixed bucket comprises a first bucket body and a second bucket body; the first bucket body is provided with a first outlet corresponding to a water metering bucket of the stirring plant; the flow guide part is positioned below an additive metering bucket of the mixing plant, and is partially contained inside the fixed bucket; a discharge port of the flow guide part is formed in the fixed bucket; the telescopic end of the telescopic cylinder is connected with the flow guide part, and is used for driving a reciprocating motion of the flow guide part between a first position and a second position; when the flow guide part is positioned at the first position, the device is used for inputting the additive flowing out from the additive metering bucket to the first bucket body; and when the flow guide part is positioned at the second position, the device is used for inputting the additive flowing out from the additive metering bucket to the second bucket body. The device provided by the invention can effectively prevent the additive from being added excessively.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of for preventing the device of the excessive interpolation of additive, also relate to a kind of mixing plant comprising this device.
Background technology
Additive can improve the mobility of concrete batching system, makes concrete be easier to vibrate in work progress, improves construction quality, can also regulate course of hardening, the durability of Concrete Structure.Therefore the content of additive has significant impact to concrete quality.
As shown in Figure 1, the additive metering system structure of current concrete mixing plant is generally: additive metering bucket 200 up, butterfly valve 300 is installed in bottom, below is for being arranged on the water weighing hopper 400 on support 500, when LOAD CELLS 100 additive recorded in additive metering bucket 200 reaches demarcation weight amount, additive pump (not shown) stops to additive weighing hopper 200 pumping additive, butterfly valve 300 receives control signal and automatically opens, and additive flows into water weighing hopper 400.
May following problems be there is in scheme shown in Fig. 1:
(1) if butterfly valve 300 causes not closing or closed not tight because of fault, in the process of additive pump to additive weighing hopper 200 pumping additive, additive can leak to water weighing hopper 400 by butterfly valve 300, cause when additive pump has pumped appropriate additive, LOAD CELLS 100 still records below standardly to be determined weight amount and not to send termination of pumping signal, additive pump continues pumping additive, causes occurring that additive is super and mixes phenomenon;
(2) when butterfly valve 300 because fault can not normally be opened, and simultaneously LOAD CELLS 100 because of fault can not send out termination of pumping signal time, additive can constantly pump in additive metering bucket 200 by additive pump, until fill with spilling in additive metering bucket 200, flow in below water weighing hopper 400, occur that additive is super and mix phenomenon.
Therefore, the excessive interpolation of additive how is effectively avoided to be the problem that current those skilled in the art need to solve.
Summary of the invention
Therefore, one object of the present invention is to provide a kind of simple and effective device for preventing the excessive interpolation of additive.
For preventing a device for the excessive interpolation of additive, comprising: support, telescoping cylinder, diversion component and fixing bucket; Described fixing bucket and telescoping cylinder are installed on described support, and described fixing bucket comprises the first bucket body and the second bucket body; Described first bucket body arranges the first outlet, for corresponding with the water weighing hopper of mixing plant; Described diversion component is positioned at the below of the additive metering bucket of described mixing plant, and is partially housed in described fixing bucket, and the discharging opening of described diversion component is positioned at described fixing bucket; The telescopic end of described telescoping cylinder is connected with described diversion component, moves back and forth between the first location and the second location for driving described diversion component; When described diversion component is positioned at described primary importance, input to described first bucket body for the additive flowed out by described additive metering bucket; When described diversion component is positioned at the described second place, input to described second bucket body for the additive flowed out by described additive metering bucket; Described diversion component is bucket-shaped structure or trench structure.
Further, be provided with cutting plate in described diversion component, described diversion component is divided into the first hopper and the second hopper by described cutting plate; Described first hopper is provided with the first discharging opening, and described second hopper is provided with the second discharging opening; When described diversion component is positioned at described primary importance, the additive that described first hopper flows out for receiving described additive metering bucket, described first discharging opening is positioned at described first bucket body; When described diversion component is positioned at the described second place, the additive that described second hopper flows out for receiving described additive metering bucket, described second discharging opening is positioned at described second bucket body.
Further, described diversion component is provided with rotating shaft, and in described rotating shaft, string is provided with connecting rod and mount pad; The telescopic end of described telescoping cylinder is connected with described connecting rod; Described mount pad is fixing on the bracket.
Further, described cutting plate is arranged on the vertical plane at described rotating shaft place.
Further, when described diversion component is positioned at described primary importance, described telescoping cylinder is vertical with described connecting rod; Or; When described diversion component is positioned at the described second place, described telescoping cylinder is vertical with described connecting rod.
Further, described diversion component accommodates the discharging opening of described additive metering bucket.
Further, described device also comprises overflow pipe, and described overflow pipe is connected with the crossbeam in described additive metering bucket, and the upper port of described overflow pipe is positioned at described additive metering bucket, and the lower port of described overflow pipe is positioned at described second bucket body.
Further, described second bucket body is provided with exports for corresponding with additive pond second; Described first exit is provided with discharge pipe; Described second exit is provided with reflux line.
Further, described device also comprises solenoid electric valve, and described solenoid electric valve is connected with described telescoping cylinder, for controlling the expanding-contracting action of described telescoping cylinder.
Thering is provided above-mentioned for preventing the basis of the device of the excessive interpolation of additive, the present invention also provides a kind of and comprises this for preventing the mixing plant of the device of the excessive interpolation of additive.
Provided by the invention for prevent the device of the excessive interpolation of additive by break down because of butterfly valve can not normally discharging time, controlling telescoping cylinder drives diversion component to move to the second place, to make diversion component, the additive that additive metering bucket flows out is inputed in the second bucket body of fixing bucket, additive is avoided to flow in water weighing hopper, thus effectively avoid that additive is super to be mixed, and then avoid additive and surpass the concrete fault of mixing and causing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the additive metering system of existing mixing plant;
Fig. 2 be the embodiment of the present invention provide for prevent the excessive interpolation of additive device in the structural representation of diversion component;
Fig. 3 is the structural representation of the device for preventing the excessive interpolation of additive that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the additive metering system comprising Fig. 3 shown device.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.In addition, those skilled in the art, can respective combination mutually to the feature in embodiment in presents and different embodiment according to the description of presents.
Fig. 2 for the embodiment of the present invention provide for prevent the excessive interpolation of additive device in the structural representation of diversion component, as shown in Figure 2, be provided with cutting plate 51 in diversion component 5, bottom is provided with rotating shaft 54, and diversion component 5 is divided into the first hopper 52 and the second hopper 53 by cutting plate 51; First hopper 52 is provided with the first discharging opening 52a, and the second hopper 53 is provided with the second discharging opening 53a; Rotating shaft 54 is through the hole of connecting rod 55 lower end, and the hole of connecting rod 55 upper end is used for being connected with the telescopic end of telescoping cylinder.Like this, by telescoping cylinder push-and-pull connecting rod 55, drive rotating shaft 54 to rotate, and then drive diversion component 5 to rotate.During concrete operations, diversion component 5 can be bucket-shaped structure as shown in Figure 2, also can be trench structure, and namely it can provide an inclined-plane to realize water conservancy diversion in a certain state, does not limit its concrete structure.
Preferably, in order to realize cutting plate 51 and rotating shaft 54 coaxial rotating, cutting plate 51 is arranged on the vertical plane at rotating shaft 54 place.
During concrete operations, rotating shaft 54 can connect with the bucket back welding of diversion component 5, certainly, diversion component 5 is driven to rotate in order to realize telescoping cylinder, form beyond rotating shaft 54 can also be set, as directly arranged a rotating stand on diversion component 5, telescoping cylinder is connected with this rotating stand, rotates to drive diversion component 5.
Please refer to Fig. 3 and Fig. 4, the two is the structural representation of the device for preventing the excessive interpolation of additive that the embodiment of the present invention provides respectively and comprises the structural representation of additive metering system of this device, wherein, this is used for preventing the device of the excessive interpolation of additive from can comprise: support 11, telescoping cylinder 10, diversion component 5 and fixing bucket 6; Fixing bucket 6 and telescoping cylinder 10 are installed on support 11, and fixing bucket 6 comprises the first bucket body and the second bucket body; First bucket body is arranged the first outlet, for corresponding with the water weighing hopper 9 of mixing plant; Second bucket body is arranged the second outlet, for corresponding with external container (not shown); Diversion component 5 is positioned at the below of the additive metering bucket 2 of mixing plant, and is partially housed in fixing bucket 6, and the discharging opening of diversion component 5 is positioned at fixing bucket 6; The telescopic end of telescoping cylinder 10 is connected (as shown in Figure 2) with the connecting rod 55 of diversion component 5, moves back and forth between primary importance 5a and second place 5b for driving diversion component 5; In rotating shaft 54, string establishes mount pad 56, and this mount pad 56 is fixed on support 11.
Specifically see the diversion component 5 shown in Fig. 2 and Fig. 3, it adopts irregular structure, prevents bottom and fixing bucket 6 from interfering.Support 11 water-filling bucket hanging beam can adopt and protrude upward structure, achieves making full use of in height space.
The course of work of said apparatus for: as shown in Fig. 2-Fig. 3, when the normal discharging state of additive, stretch out to promote diversion component 5 by telescoping cylinder 10 and move to above-mentioned primary importance 5a, the additive that first hopper 52 flows out for receiving additive metering bucket 2, first discharging opening is positioned at the first bucket body, the additive realizing the discharge port 21 from additive metering bucket 2 to flow out is sent in the first bucket body of fixing bucket 6, and then by the first outlet on the first bucket body, additive is sent in water weighing hopper 9, realize normal discharging, in other states, (do not close as the butterfly valve below additive metering bucket 2 breaks down, can not open and be difficult to close tight) time, control (Non-follow control or automatically control, the explanation wherein automatically controlled refers to the description of next section) telescoping cylinder retraction to be to pull diversion component 5 to move to said second position 5b, the additive that second hopper 53 flows out for receiving additive metering bucket 2, second discharging opening is positioned at the second bucket body, the additive realizing the discharge port 21 from additive metering bucket 2 to flow out is sent in the second bucket body of fixing bucket 6, ensure that additive there will not be to surpass and mix phenomenon.Additive can be sent in external container by the second outlet on the second bucket body further, be convenient to the recycling of additive.Because diversion component 5 is between primary importance 5a and second place 5b in reciprocating process, its discharging opening is positioned at fixing bucket 6 all the time, can effectively prevent from spattering outside additive.Certainly, also by fixing bucket 6 liang of side guards are increased during concrete operations, prevent from further spattering outside additive.
During concrete operations, above-mentioned telescoping cylinder 10 can be cylinder or hydraulic cylinder etc., telescoping cylinder 10 can carry solenoid electric valve, realizing flexible automatically controlling (such as electric time control telescoping cylinder 10 stretch out, control telescoping cylinder 10 during dead electricity to retract, control procedure is prior art, does not hereby repeat); During for employing cylinder, the air inlet of cylinder and gas outlet can be provided with choke valve, realize the adjustment to tolerance, reduce the vibration that Telescopic-cylinder causes.Be understandable that, the effect of telescoping cylinder 10 is to drive diversion component 5 to move back and forth between primary importance 5a and second place 5b, above-mentioned to this for prevent the course of work of the device of the excessive interpolation of additive explanation illustrate in, when butterfly valve breaks down, telescoping cylinder 10 bounces back to pull diversion component 5 to move to said second position 5b, in other embodiments, the setting position that suitably can change telescoping cylinder 10 moves to said second position 5b to realize stretching promotion diversion component 5 by telescoping cylinder 10, therefore the concrete type of drive of telescoping cylinder 10 pairs of diversion components 5 should being construed as limiting property not understood.
Preferably, in order to the active force of maximum using telescoping cylinder, when diversion component 5 is positioned at primary importance 5a, telescoping cylinder 10 and connecting rod 55 near vertical can be set; Or; When diversion component 5 is positioned at second place 5b, telescoping cylinder 10 and connecting rod 55 near vertical are set.
Preferably, phenomenon is spattered in order to avoid diversion component 5 rotates outside the additive caused, diversion component 5 accommodates the discharging opening of additive metering bucket 2, namely additive metering bucket 2 discharging opening is positioned at diversion component 5, simultaneously, in order to avoid conflicting with the cutting plate 51 of diversion component 5, additive metering bucket 2 discharging opening is slightly higher than the top of cutting plate 51.
Preferably, said apparatus can also comprise overflow pipe 3, overflow pipe 3 is connected with the crossbeam in additive metering bucket 2 (as welded), the upper port of overflow pipe 3 is positioned at additive metering bucket 2 (as arranged the top of upper port a little less than additive metering bucket 2 of overflow pipe 3), the lower port of overflow pipe 3 is positioned at the second bucket body, can overflow in the second bucket body under any state to realize additive.
Preferably, in order to avoid additive occurs when the first outlet and the second outlet are flowed out, spatter phenomenon, the first exit is provided with discharge pipe 8, and the outlet of discharge pipe 8 is positioned at water weighing hopper 9; Second exit is provided with reflux line 7, the outlet external container of reflux line 7.Further preferably, above-mentioned external container is additive pond, recycles to realize additive.
It should be noted that, all top additive branched in two bucket bodies of fixing bucket 6 explain to arrange a flow distribution plate 51 in diversion component 5 in various embodiments of the present invention, during concrete operations, diversion component can also adopt the structure of a bucket body, drives the diversion component with a bucket body to rotate larger angle to be delivered to by additive in two bucket bodies of fixing bucket 6 respectively by telescoping cylinder; Diversion component has two hoppers can realize the shunting of additive under normal discharging and other states when rotating less angle relative to the structure of an employing bucket body, and particularly when flow distribution plate 51 is with rotating shaft 54 coaxial rotating, the angle of required rotation is minimum.
The present embodiment by break down because of butterfly valve can not normally discharging time, controlling telescoping cylinder drives diversion component to move to the second place, to make diversion component, the additive that additive metering bucket flows out is inputed in the second bucket body of fixing bucket, thus avoid additive to flow in water weighing hopper, and then effectively avoid additive to surpass mixing and surpass the concrete fault of mixing and causing because of additive; Simultaneously, when butterfly valve normally works, controlling telescoping cylinder drives diversion component to move to primary importance, to make diversion component, the additive that additive metering bucket flows out is inputed in the first bucket body of fixing bucket, by the first outlet on the first bucket body, additive is delivered in water weighing hopper again, realizes normal discharging.
Thering is provided above-mentioned for preventing the basis of the device of the excessive interpolation of additive, the embodiment of the present invention also provides a kind of mixing plant being provided with said apparatus, as shown in Figure 4, this mixing plant can comprise LOAD CELLS 1, additive metering bucket 2, overflow pipe 3, butterfly valve 4, diversion component 5, fixing bucket 6, reflux line 7, discharge pipe 8, water weighing hopper 9, telescoping cylinder 10 and support 11.Above-mentioned to for prevent the explanation of the device of the excessive interpolation of additive illustrate all be applicable to the present embodiment, therefore, this mixing plant also possesses the above-mentioned corresponding technique effect of device preventing the excessive interpolation of additive, does not hereby repeat.
The above is only the preferred embodiment of the present invention; 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 make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. for preventing a device for the excessive interpolation of additive, comprising: support (11), is characterized in that, also comprise: telescoping cylinder (10), diversion component (5) and fixing bucket (6); Described fixing bucket (6) and telescoping cylinder (10) are installed on described support (11), and described fixing bucket (6) comprises the first bucket body and the second bucket body; Described first bucket body arranges the first outlet, for corresponding with the water weighing hopper (9) of mixing plant;
Described diversion component (5) is positioned at the below of the additive metering bucket (2) of described mixing plant, and being partially housed in described fixing bucket (6), the discharging opening of described diversion component (5) is positioned at described fixing bucket (6);
The telescopic end of described telescoping cylinder (10) is connected with described diversion component (5), moves back and forth between the first location and the second location for driving described diversion component (5); When described diversion component (5) is positioned at described primary importance, input to described first bucket body for the additive described additive metering bucket (2) flowed out; When described diversion component (5) is positioned at the described second place, input to described second bucket body for the additive described additive metering bucket (2) flowed out;
Described diversion component (5) is bucket-shaped structure or trench structure.
2. according to claim 1 for preventing the device of the excessive interpolation of additive, it is characterized in that, be provided with cutting plate (51) in described diversion component (5), described diversion component (5) is divided into the first hopper (52) and the second hopper (53) by described cutting plate (51); Described first hopper (52) is provided with the first discharging opening, and described second hopper (53) is provided with the second discharging opening;
When described diversion component (5) is positioned at described primary importance, the additive that described first hopper (52) is flowed out for receiving described additive metering bucket (2), described first discharging opening is positioned at described first bucket body; When described diversion component (5) is positioned at the described second place, the additive that described second hopper (53) is flowed out for receiving described additive metering bucket (2), described second discharging opening is positioned at described second bucket body.
3. according to claim 2 for preventing the device of the excessive interpolation of additive, it is characterized in that, described diversion component (5) is provided with rotating shaft (54), and the upper string of described rotating shaft (54) is provided with connecting rod (55) and mount pad; The telescopic end of described telescoping cylinder (10) is connected with described connecting rod (55); Described mount pad is fixed on described support (11).
4. according to claim 3ly it is characterized in that for preventing the device of the excessive interpolation of additive, described cutting plate (51) is arranged on the vertical plane at described rotating shaft (54) place.
5. according to claim 3ly it is characterized in that for preventing the device of the excessive interpolation of additive, when described diversion component (5) is positioned at described primary importance, described telescoping cylinder (10) is vertical with described connecting rod (55); Or; When described diversion component (5) is positioned at the described second place, described telescoping cylinder (10) is vertical with described connecting rod (55).
6. according to claim 2ly it is characterized in that for preventing the device of the excessive interpolation of additive, described diversion component (5) accommodates the discharging opening of described additive metering bucket (2).
7. the device for preventing the excessive interpolation of additive according to any one of the claims 2-6, it is characterized in that, also comprise overflow pipe (3), described overflow pipe (3) is connected with the crossbeam in described additive metering bucket (2), the upper port of described overflow pipe (3) is positioned at described additive metering bucket (2), and the lower port of described overflow pipe (3) is positioned at described second bucket body.
8. according to claim 7ly to it is characterized in that for preventing the device of the excessive interpolation of additive, described second bucket body being provided with and exporting for corresponding with additive pond second; Described first exit is provided with discharge pipe (8); Described second exit is provided with reflux line (7).
9. according to claim 8 for preventing the device of the excessive interpolation of additive, it is characterized in that, also comprise solenoid electric valve, described solenoid electric valve is connected with described telescoping cylinder (10), for controlling the expanding-contracting action of described telescoping cylinder (10).
10. a mixing plant, comprise: additive metering bucket (2) and water weighing hopper (9), it is characterized in that, be provided with the device for preventing the excessive interpolation of additive according to any one of claim 1-9, described device is positioned at the below of described additive metering bucket (2), and is positioned at the top of described water weighing hopper (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138289.9A CN103252841B (en) | 2013-04-22 | 2013-04-22 | Device for preventing additive from being added excessively and mixing plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138289.9A CN103252841B (en) | 2013-04-22 | 2013-04-22 | Device for preventing additive from being added excessively and mixing plant |
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| CN103252841A CN103252841A (en) | 2013-08-21 |
| CN103252841B true CN103252841B (en) | 2015-05-13 |
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| CN111673913A (en) * | 2020-05-27 | 2020-09-18 | 浙江华威混凝土有限公司 | Liquid concrete additive control system |
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| CN101934559B (en) * | 2010-08-12 | 2013-04-17 | 中国电子科技集团公司第四十五研究所 | Mortar feed device with pressure regulation mechanism |
| CN201913718U (en) * | 2010-12-23 | 2011-08-03 | 西安隆基硅材料股份有限公司 | Mortar supply and recovery device |
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Denomination of invention: Device for preventing additive from being added excessively and mixing plant Effective date of registration: 20161101 Granted publication date: 20150513 Pledgee: Hunan Sany Road Machinery Co., Ltd. Pledgor: SANY Automobile Manufacturing Co., Ltd. Registration number: 2016430000043 |
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Date of cancellation: 20211126 Granted publication date: 20150513 Pledgee: HUNAN SANY ROAD MACHINERY Co.,Ltd. Pledgor: Sany Automobile Manufacturing Co.,Ltd. Registration number: 2016430000043 |