CN211518036U

CN211518036U - Water supply system of concrete mixing plant

Info

Publication number: CN211518036U
Application number: CN201922048125.2U
Authority: CN
Inventors: 曾丽君
Original assignee: Xianyang Dongdayang Concrete Co ltd
Current assignee: Xianyang Dongdayang Concrete Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-09-18
Anticipated expiration: 2029-11-23

Abstract

The utility model relates to a concrete mixing plant water supply system, it includes the tank, the water balance, first raceway, a water pump, the second raceway, first solenoid valve, the water balance bottom is equipped with, first outlet pipe and second solenoid valve, the stirring main part is located first outlet pipe below, stirring main part one side is provided with the support frame, be equipped with the additive storehouse on the support frame, additive storehouse bottom is equipped with the back taper export, the back taper exit is equipped with first metering valve, back taper export below is equipped with the mixing fill, be provided with the third raceway between mixing fill and the water balance, be equipped with the second metering valve on the third raceway, the mixing fill bottom is equipped with the second outlet pipe, be equipped with the third solenoid valve on the second outlet pipe, be equipped with agitating unit in the mixing fill. The utility model discloses a concrete mixing plant water supply system has additive and adds the device, and convenience of customers adds water and additive in to the stirring host computer to the qualification rate of concrete is guaranteed to the interpolation time and the additive amount of control additive.

Description

Water supply system of concrete mixing plant

Technical Field

The utility model belongs to the technical field of the technique of concrete mixing plant and specifically relates to a water supply system of concrete mixing plant is related to.

Background

The concrete mixer has the functions of mixing sand, stone, cement, additive, admixture and other materials into homogeneous concrete, and the water supply system is also important factor affecting the production efficiency of the mixing plant. Current water supply system is difficult to control the precision of water, thereby can't guarantee the accuracy of the ratio precision of concrete, and current water supply system freezes easily winter, influence water supply system and normally supply water, current water supply system's water pump is carried water on the water balance of higher department through the water-supply line, reach the given water yield when the water balance, the water pump stop work, water in the water pipe just can rely on self weight backward flow this moment, this in-process both is a waste to the energy, also can cause pressure shock and reduce the life of water pump to the water pump.

The prior Chinese patent with the application number of CN207630282U discloses a water supply system of a concrete mixing plant, which comprises an operating platform and a mixing host, the bottom of the operating platform is in threaded connection with a pulley, the outer wall of the pulley is in threaded connection with a pulley baffle, the inner wall of the bottom of the operating platform is in threaded connection with a controller, firstly, the water quantity to be added into the stirring main body is confirmed, when more water needs to be added, the water in the water tank is sucked out through the first water pump, the water in the water storage tank is measured through the water balance, when the weight of the water in the water storage tank is close to the target weight, the first water pump is stopped, the second water pump is started, then the water is delivered into the water storage pool through the fourth water delivery pipe to realize the fine control of water flow, in order to prevent the water in the water delivery pipe from flowing back to the water return pump, the water flow is stopped through the first electric check valve and the second electric check valve, the pressure of the water pump is reduced, and the service life of the water pump is prolonged.

Although the technical scheme solves the problems that the precision of a water supply system is not high, and the water in a water pipe flows backwards to cause pressure impact on a water pump to influence the service life of the water pump, the existing water supply system is not provided with an additive adding device, and the additive adding time and dosage are very important in the production process of concrete, so that the performance of the concrete is directly influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, one of the purposes of the utility model is to provide a concrete mixing plant water supply system with additive adds device, convenience of customers adds water and additive in to the stirring host computer to the qualification rate of concrete is guaranteed to the add time and the additive amount of control additive.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a water supply system of a concrete mixing plant comprises a water storage tank, a water tank and a water scale, wherein a first water delivery pipe is arranged between the water storage tank and the water tank, a water pump is arranged on the first water delivery pipe, a second water delivery pipe is arranged between the water tank and the water scale, a first electromagnetic valve is arranged on the second water delivery pipe, a first water outlet pipe is arranged at the bottom of the water scale, a second electromagnetic valve is arranged on the first water outlet pipe, a mixing main body is positioned below the first water outlet pipe, a support frame is arranged on one side of the mixing main body, an additive bin is arranged on the support frame, a reverse conical outlet is arranged at the bottom of the additive bin, a first metering valve is arranged at the reverse conical outlet, a mixing hopper is arranged below the reverse conical outlet, an opening is arranged at the top of the mixing hopper, a third water delivery pipe is arranged between the mixing hopper and the water scale, the bottom of the mixing hopper is provided with a second water outlet pipe, the second water outlet pipe is provided with a third electromagnetic valve, the stirring main body is positioned below the second water outlet pipe, and the mixing hopper is internally provided with a stirring device.

By adopting the technical scheme, when the materials in the stirring main body need to be added with water for stirring, the first electromagnetic valve is opened to conduct the second water pipe, so that the water in the water tank enters the water balance through the second water pipe, the mass of the water in the water balance is weighed, and after the water in the water balance reaches the required amount, the first electromagnetic valve is closed to stop water supply; and opening the second electromagnetic valve to conduct the first water outlet pipe, so that the water in the water scale enters the stirring main body through the first water outlet pipe to stir the materials. When the additive needs to be added into the stirring main body, opening the first metering valve to quantitatively add the additive in the additive bin into the mixing hopper through the inverted cone-shaped outlet, and opening the third electromagnetic valve to enable the liquid additive to enter the stirring main body through the second water outlet pipe when the additive is in a liquid state; when the additive is solid powder, opening a second metering valve to enable water in the water scale to quantitatively enter a mixing hopper through a third water delivery pipe, starting a stirring device to uniformly mix the additive and the water in the mixing hopper, and then opening a third electromagnetic valve to enable an additive solution to enter the stirring main body through a second water outlet pipe; when water needs to be added into the water tank, the water pump is started to pump the water in the water storage tank into the water tank. To sum up, the utility model discloses a concrete mixing plant water supply system convenience of customers adds water and additive to in the stirring host computer to can control the interpolation time and the additive amount of additive, guarantee the qualification rate of concrete.

The present invention may be further configured in a preferred embodiment as: the support frame includes the support, it is provided with the first board of placing to rotate on the support, the first board top of placing is provided with the second and places the board, the first board of placing with the second is placed the board center and is provided with the fixed axle, the coaxial fixed servo motor that is provided with in fixed axle bottom, the second is placed the circumference and has been seted up a plurality of fixed orificess on the board, the additive storehouse set up perpendicularly in the fixed orifices with the second is placed between the board, the back taper export is followed spill in the fixed orifices.

Through adopting above-mentioned technical scheme, need add multiple additive in the concrete preparation process, the user need pack into different additive storehouse different additive according to the adding sequence of additive in the concrete preparation process, start servo motor, servo motor's output shaft rotates and drives the additive storehouse rotation that drives circumferential distribution through first placing the board, adds different kinds of additive to mixing in fighting, convenience of customers uses.

The present invention may be further configured in a preferred embodiment as: and a fixing plate is arranged at the bottom of the servo motor on the support.

Through adopting above-mentioned technical scheme, servo motor fixes on the fixed plate, makes it place more stably, guarantees that servo motor can normally work.

The present invention may be further configured in a preferred embodiment as: the opening of the mixing hopper is funnel-shaped.

Through adopting above-mentioned technical scheme, the opening that funnel-shaped opening is convenient for the back taper export and is aimed at with the opening that mixes the fill, conveniently adds the additive.

The present invention may be further configured in a preferred embodiment as: agitating unit is including setting up the driving motor who fights one side at the mixture, driving motor output shaft coaxial coupling has the pivot, the pivot is located inside the mixture is fought, the pivot lateral wall is provided with the stirring leaf.

Through adopting above-mentioned technical scheme, when needs make its fully dissolve with the water in the mixing bucket and additive stirring, start driving motor and make its output shaft rotate and drive the pivot and rotate, the pivot rotates and drives the stirring leaf and rotate and carry out intensive mixing to it.

The present invention may be further configured in a preferred embodiment as: the bottom ends of the first water outlet pipe and the second water outlet pipe are connected with water outlet branch pipes, and water outlet holes are uniformly formed in the side walls, close to the stirring main body, of the water outlet branch pipes.

By adopting the technical scheme, the contact area of water or the additive and the materials in the stirring main body is increased through the water outlet branch pipe and the water outlet hole, so that the subsequent stirring of the stirring main body is facilitated.

The present invention may be further configured in a preferred embodiment as: a fourth water delivery pipe is arranged between the water tank and the water scale, a fourth electromagnetic valve is arranged on the fourth water delivery pipe, and the diameter of the fourth water delivery pipe is smaller than that of the second water delivery pipe.

Through adopting above-mentioned technical scheme, the user is adding water when weighing to the water balance, at first open first solenoid valve and fourth solenoid valve and add water in the water balance jointly through second raceway and fourth raceway, after the water in the water balance reaches the value that needs soon, close first solenoid valve, only add water in to the water balance through the fourth raceway, then close the fourth solenoid valve and accomplish the process of adding water, use this scheme not only to shorten the time that the user need add water in to the water balance, and the water yield of interpolation is more accurate.

The present invention may be further configured in a preferred embodiment as: the bottom end of the cross section of the water storage tank inclines towards the bottom end of the first water delivery pipe, and the bottom end of the first water delivery pipe is provided with a filter screen frame.

Through adopting above-mentioned technical scheme, the water pump of tank bottom is taken away through first raceway through the water of tank bottom to the slope setting of tank bottom, and the filter screen frame can prevent that first raceway from taking away the deposit or the disintegrating slag in the tank and causing the damage of water pump, reduces the maintenance number of times of water pump, reduces cost of maintenance.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the materials in the stirring main body need to be added with water for stirring, the first electromagnetic valve is opened to conduct the second water pipe, so that the water in the water tank enters the water scale through the second water pipe, the mass of the water in the water scale is weighed, and after the water in the water scale reaches the required amount, the first electromagnetic valve is closed to stop water supply; and opening the second electromagnetic valve to conduct the first water outlet pipe, so that the water in the water scale enters the stirring main body through the first water outlet pipe to stir the materials. When the additive needs to be added into the stirring main body, opening the first metering valve to quantitatively add the additive in the additive bin into the mixing hopper through the inverted cone-shaped outlet, and opening the third electromagnetic valve to enable the liquid additive to enter the stirring main body through the second water outlet pipe when the additive is in a liquid state; when the additive is solid powder, opening a second metering valve to enable water in the water scale to quantitatively enter a mixing hopper through a third water delivery pipe, starting a stirring device to uniformly mix the additive and the water in the mixing hopper, and then opening a third electromagnetic valve to enable an additive solution to enter the stirring main body through a second water outlet pipe; when water needs to be added into the water tank, the water pump is started to pump the water in the water storage tank into the water tank. To sum up, the utility model discloses a concrete mixing plant water supply system convenience of customers adds water and additive to in the stirring host computer to can control the interpolation time and the additive amount of additive, guarantee the qualification rate of concrete.

2. Need add multiple additive in the concrete preparation process, the user need pack into different additive storehouse heterogeneous additive according to the adding order of additive in the concrete preparation process in different additive storehouses, start servo motor, servo motor's output shaft rotates and drives the additive storehouse rotation that drives circumferential distribution through first placing the board, adds different kinds of additive in fighting to mixing, convenience of customers uses.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall cross-sectional structure of the present invention.

In the figure, 1, a water storage tank; 11. a first water delivery pipe; 12. a water pump; 13. a filter screen frame; 2. a water tank; 21. a second water delivery pipe; 22. a first solenoid valve; 23. a fourth water delivery pipe; 24. a fourth solenoid valve; 3. a water scale; 31. a first water outlet pipe; 32. a second solenoid valve; 4. a stirring body; 5. a support frame; 51. an additive bin; 52. an inverted cone outlet; 53. a first metering valve; 54. a support; 541. a first placing plate; 542. a second placing plate; 543. a fixed shaft; 544. a fixing hole; 545. a servo motor; 546. a fixing plate; 6. a mixing hopper; 61. a third water delivery pipe; 62. a second metering valve; 63. a second water outlet pipe; 64. a third electromagnetic valve; 65. a drive motor; 66. a rotating shaft; 67. stirring blades; 68. a water outlet branch pipe; 69. a water outlet hole; 7. and (4) opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the concrete mixing plant water supply system disclosed by the present invention, the system comprises a water storage tank 1, a water tank 2 and a water balance 3, a first water pipe 11 is disposed between the water storage tank 1 and the water tank 2, a water pump 12 is disposed on the first water pipe 11, the cross-sectional bottom of the water storage tank 1 is inclined towards the bottom of the first water pipe 11, so that the first water pipe 11 can pump water from the bottom of the water storage tank 1, a filter screen frame 13 is disposed at the bottom of the first water pipe 11, so as to prevent the first water pipe 11 from pumping sediment or debris in the water storage tank 1 to cause damage to the water pump 12, a second water pipe 21 is disposed between the water storage tank 2 and the water balance 3, a first electromagnetic valve 22 is disposed on the second water pipe 21, a fourth water pipe 23 is disposed between the water tank 2 and the water balance 3, a fourth electromagnetic valve 24 is disposed on the fourth water pipe 23, the diameter of the fourth water pipe 23 is smaller than the diameter of the second, the bottom of the water scale 3 is provided with a first water outlet pipe 31, the first water outlet pipe 31 is provided with a second electromagnetic valve 32, and the stirring main body 4 is positioned below the first water outlet pipe 31. When water needs to be added into the water tank 2, the water pump 12 is started to pump the water in the water storage tank 1 into the water tank 2; when the materials in the stirring main body 4 need to be added with water for stirring, the first electromagnetic valve 22 and the fourth electromagnetic valve 24 are firstly opened to add water into the water balance 3 through the second water delivery pipe 21 and the fourth water delivery pipe 23, after the water in the water balance 3 reaches a required value, the first electromagnetic valve 22 is closed, the water is only added into the water balance 3 through the fourth water delivery pipe 23, and then the fourth electromagnetic valve 24 is closed to finish the water adding process, so that the time for adding water into the water balance 3 by a user is shortened, and the added water amount is more accurate; finally, the second electromagnetic valve 32 is opened to conduct the first water outlet pipe 31, so that the water in the water scale 3 enters the stirring main body 4 through the first water outlet pipe 31 to stir the materials. One side of the stirring main body 4 is provided with a support frame 5, the support frame 5 is provided with an additive bin 51, the bottom of the additive bin 51 is provided with an inverted cone outlet 52, the inverted cone outlet 52 is provided with a first metering valve 53, a mixing hopper 6 is arranged below the inverted cone outlet 52, the top of the mixing hopper 6 is provided with a funnel-shaped opening 7 convenient for adding additives, a third water pipe 61 is arranged between the mixing hopper 6 and the water balance 3, the third water pipe 61 is provided with a second metering valve 62, the bottom of the mixing hopper 6 is provided with a second water outlet pipe 63, the second water outlet pipe 63 is provided with a third electromagnetic valve 64, the stirring main body 4 is positioned below the second water outlet pipe 63, a stirring device is arranged in the mixing hopper 6, when additives are required to be added into the stirring main body 4, the first metering valve 53 is opened to quantitatively add the additives in the additive bin 51 into the mixing, opening the third electromagnetic valve 64 to make the liquid additive enter the stirring main body 4 through the second water outlet pipe 63; when the additive is solid powder, the second metering valve 62 is opened to enable water in the water scale 3 to quantitatively enter the mixing hopper 6 through the third water pipe 61, the stirring device is started to uniformly mix the additive and the water in the mixing hopper 6, and then the third electromagnetic valve 64 is opened to enable the additive solution to enter the stirring main body 4 through the second water outlet pipe 63.

As shown in fig. 1 and 2, the supporting frame 5 includes a support 54, a first placing plate 541 is rotatably disposed on the support 54, a second placing plate 542 is disposed above the first placing plate 541, a fixing shaft 543 is disposed at the center of the first placing plate 541 and the second placing plate 542, a servo motor 545 is coaxially and fixedly disposed at the bottom end of the fixing shaft 543, a fixing plate 546 for fixing the servo motor 545 is disposed at the bottom of the servo motor 545 on the support 54, a plurality of fixing holes 544 are circumferentially disposed on the second placing plate 542, the additive bin 51 is vertically disposed between the fixing holes 544 and the second placing plate 542, and the inverted cone outlet 52 leaks out of the fixing holes 544. The user need pack into different additive storehouse 51 according to the order of adding of additive in the concrete preparation process into different additive storehouse, starts servo motor 545, and servo motor 545's output shaft rotates and drives the additive storehouse 51 rotation that drives circumferential distribution through first board 541 of placing, adds different kinds of additive to in mixing hopper 6.

As shown in fig. 1 and 2, the stirring device includes a driving motor 65 disposed on one side of the mixing hopper 6, an output shaft of the driving motor 65 is coaxially connected with a rotating shaft 66, the rotating shaft 66 is disposed inside the mixing hopper 6, a stirring blade 67 is disposed on a side wall of the rotating shaft 66, when water and an additive in the mixing hopper 6 need to be uniformly stirred to be sufficiently dissolved, the driving motor 65 is started to rotate the output shaft thereof to drive the rotating shaft 66 to rotate, and the rotating shaft 66 rotates to drive the stirring blade 67 to rotate to sufficiently stir the water and the additive.

As shown in fig. 1 and 2, the bottom ends of the first water outlet pipe 31 and the second water outlet pipe 63 are connected with water outlet branch pipes 68, and water outlet holes 69 are uniformly formed in the side walls of the water outlet branch pipes 68 close to the stirring main body 4, so that the contact area between water or additives and the materials in the stirring main body 4 is increased, and the subsequent stirring of the stirring main body 4 is facilitated.

The implementation principle of the embodiment is as follows: the utility model discloses a concrete mixing plant water supply system is when using, when the material in the stirring main part 4 need add water and stir, open first solenoid valve 22 and fourth solenoid valve 24 at first and add water in water balance 3 through second raceway 21 and fourth raceway 23 jointly, after the water in water balance 3 is fast to required value, close first solenoid valve 22, only add water in water balance 3 through fourth raceway 23, then close fourth solenoid valve 24 and accomplish the process of adding water, use this scheme not only to shorten the time that the user need add water in water balance 3, and the water yield that adds is more accurate; finally, the second electromagnetic valve 32 is opened to conduct the first water outlet pipe 31, so that the water in the water scale 3 enters the stirring main body 4 through the first water outlet pipe 31 to stir the materials.

When a user needs to add additives into the stirring main body 4, the user needs to load different types of additives into different additive bins 51 according to the adding sequence of the additives in the concrete preparation process, the servo motor 545 is started, an output shaft of the servo motor 545 rotates to drive the additive bins 51 which are circumferentially distributed to rotate through the first placing plate 541, when the corresponding inverted cone-shaped outlet 52 is positioned right above the opening 7, the first metering valve 53 is opened to quantitatively add the additives in the additive bins 51 into the mixing hopper 6 through the inverted cone-shaped outlet 52, and when the additives are in a liquid state, the third electromagnetic valve 64 is opened to enable the liquid additives to enter the stirring main body 4 through the second water outlet pipe 63; when the additive is solid powder, the second metering valve 62 is opened to enable water in the water scale 3 to quantitatively enter the mixing hopper 6 through the third water pipe 61, the stirring device is started to uniformly mix the additive and the water in the mixing hopper 6, and then the third electromagnetic valve 64 is opened to enable the additive solution to enter the stirring main body 4 through the second water outlet pipe 63.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete mixing plant water supply system, includes tank (1), water tank (2) and water balance (3), be equipped with first raceway (11) between tank (1) and water tank (2), be equipped with water pump (12) on first raceway (11), water tank (2) with be equipped with second raceway (21) between water balance (3), be equipped with first solenoid valve (22) on second raceway (21), water balance (3) bottom is equipped with first outlet pipe (31), be equipped with second solenoid valve (32) on first outlet pipe (31), stirring main part (4) are located first outlet pipe (31) below, its characterized in that: a support frame (5) is arranged on one side of the stirring main body (4), an additive bin (51) is arranged on the support frame (5), the bottom of the additive bin (51) is provided with an inverted cone-shaped outlet (52), the inverted cone-shaped outlet (52) is provided with a first metering valve (53), a mixing hopper (6) is arranged below the inverted cone-shaped outlet (52), an opening (7) is arranged at the top of the mixing hopper (6), a third water delivery pipe (61) is arranged between the mixing hopper (6) and the water scale (3), a second metering valve (62) is arranged on the third water delivery pipe (61), a second water outlet pipe (63) is arranged at the bottom end of the mixing bucket (6), and a third electromagnetic valve (64) is arranged on the second water outlet pipe (63), the stirring body (4) is positioned below the second water outlet pipe (63), and a stirring device is arranged in the mixing hopper (6).

2. A water supply system for a concrete mixing plant according to claim 1, characterized in that: the supporting frame (5) comprises a support (54), a first placing plate (541) is arranged on the support (54) in a rotating mode, a second placing plate (542) is arranged above the first placing plate (541), a fixed shaft (543) is arranged in the centers of the first placing plate (541) and the second placing plate (542), a servo motor (545) is coaxially and fixedly arranged at the bottom end of the fixed shaft (543), a plurality of fixing holes (544) are formed in the upper circumference of the second placing plate (542), the additive bin (51) is vertically arranged between the fixing holes (544) and the second placing plate (542), and the inverted-cone-shaped outlet (52) leaks out of the fixing holes (544).

3. A water supply system for a concrete mixing plant according to claim 2, characterized in that: and a fixing plate (546) is arranged on the support (54) and positioned at the bottom of the servo motor (545).

4. A water supply system for a concrete mixing plant according to claim 1, characterized in that: the opening (7) of the mixing hopper (6) is funnel-shaped.

5. A water supply system for a concrete mixing plant according to claim 1, characterized in that: agitating unit is including setting up driving motor (65) in mixing fill (6) one side, driving motor (65) output shaft coaxial coupling has pivot (66), pivot (66) are located inside mixing fill (6), pivot (66) lateral wall is provided with stirring leaf (67).

6. A water supply system for a concrete mixing plant according to claim 1, characterized in that: the bottom ends of the first water outlet pipe (31) and the second water outlet pipe (63) are connected with a water outlet branch pipe (68), and water outlet holes (69) are uniformly formed in the side wall, close to the stirring main body (4), of the water outlet branch pipe (68).

7. A water supply system for a concrete mixing plant according to claim 1, characterized in that: a fourth water delivery pipe (23) is arranged between the water tank (2) and the water scale (3), a fourth electromagnetic valve (24) is arranged on the fourth water delivery pipe (23), and the diameter of the fourth water delivery pipe (23) is smaller than that of the second water delivery pipe (21).

8. A water supply system for a concrete mixing plant according to claim 1, characterized in that: the bottom end of the cross section of the water storage pool (1) inclines towards the bottom end of the first water delivery pipe (11), and the bottom end of the first water delivery pipe (11) is provided with a filter screen frame (13).