CN211250847U

CN211250847U - Accurate weighing device for liquid admixture of mixing plant

Info

Publication number: CN211250847U
Application number: CN201921811294.0U
Authority: CN
Inventors: 卢智学; 冯玉簪
Original assignee: ZHENGZHOU HYDRAULIC MACHINERY CO Ltd
Current assignee: ZHENGZHOU HYDRAULIC MACHINERY CO Ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-08-14
Anticipated expiration: 2029-10-26

Abstract

The utility model discloses a device is called to stirring station liquid admixture essence, including liquid reserve tank and measurement frame, the top of liquid reserve tank is provided with the water pump, the end intercommunication of intaking of water pump has the feed liquor pipe, the one end of feed liquor pipe runs through the liquid reserve tank and extends to the inside of liquid reserve tank, the play water end intercommunication of water pump has the drain pipe, the one end intercommunication of drain pipe has the interpolation pipe, the one end of interpolation pipe runs through the measurement frame and extends to the inside of measurement frame the utility model relates to a concrete mixing technical field. This stirring station liquid admixture fine-weighing device, during the measurement frame was gone into to the pump from the liquid storage tank in the admixture can be accurate, need not the first valve of manual control and close when reaching fixed dose, error when reducing and weighing to improve the convenience of weighing, through the setting of extrusion spring again, this device can be according to the concrete quantity of difference and adjust the dose of weighing, increased the universality of device, prevent that the admixture from condensing, it is more convenient to use.

Description

Accurate weighing device for liquid admixture of mixing plant

Technical Field

The utility model relates to a concrete mixing technical field specifically is a mixing plant liquid admixture fine-weighing device.

Background

The cement concrete mixing plant is widely applied to construction projects of China's industry, agriculture, traffic, national defense, water conservancy, municipal administration and the like, the demand is increasing continuously, national concrete mixing equipment is continuously innovated and advanced on the basis of referring to foreign products, the technical level is gradually improved, but the research on the batching process of the whole mixing plant is not enough, especially for a newly-built concrete mixing plant, the quality requirement of national standards on the concrete mixing plant is often met by depending on the experience accumulated by a matching manufacturer for many years, no special experimental research is carried out on the conveying process, the feeding process and the like of the concrete mixing plant, and in the concrete mixing process, additives with a certain proportion are required to be added for improving the performance of concrete.

But the strong vibration can appear in the current admixture device when the mixer during operation interpolation, leads to the admixture to weigh the aspect accurate inadequately, leads to the performance of concrete to appear the deviation for the product goes wrong, leads to certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a stirring station liquid admixture is accurate calls device has solved stirring station liquid admixture and has weighed and add not accurate enough problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a device is called to stirring station liquid admixture essence, includes liquid reserve tank and measurement frame, the top of liquid reserve tank is provided with the water pump, the end intercommunication of intaking of water pump has the feed liquor pipe, the one end of feed liquor pipe runs through the liquid reserve tank and extends to the inside of liquid reserve tank, the play water end intercommunication of water pump has the drain pipe, the one end intercommunication of drain pipe has the interpolation pipe, the one end that adds the pipe runs through the measurement frame and extends to the inside of measurement frame, the bottom of measurement frame inner wall is rotated and is connected with the threaded rod, the bottom swing joint on threaded rod surface has the kickboard, the top threaded connection on threaded rod surface has the screw thread piece, the equal fixedly connected with sliding plate in both sides of screw thread piece, two the equal fixedly connected with contact switch in one side that sliding plate and kickboard.

Further, a first valve is installed inside the adding pipe, the bottom of the adding pipe is communicated with a circulating pipe, and a second valve is installed inside the circulating pipe.

Furthermore, the top of threaded rod runs through the measurement frame and extends to the top of measurement frame, the threaded rod extends to the one end fixedly connected with rotating plate at measurement frame top to two slide plate one side that leaves respectively with the both sides sliding connection of measurement frame inner wall.

Furthermore, the surface mounting of measurement frame has the observation window, the surface of observation window is provided with the scale.

Furthermore, one side at the top of the metering frame is communicated with a vent pipe, the bottom of the thread block is fixedly connected with an extrusion spring, and the extrusion spring is sleeved on the surface of the threaded rod.

Furthermore, a liquid discharge pipe is arranged on one side of the bottom of the metering frame, and a liquid feeding pipe is arranged on one side of the top of the liquid storage tank.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this stirring station liquid admixture fine weighing device, let in the liquid storage tank through the admixture that will allocate, close the second valve again and open first valve, the water pump is in with admixture pump income measurement frame, when the contact switch contact, first valve is closed, make the admixture can be accurate go into in the measurement frame from the liquid storage tank pump, it closes to need not the first valve of manual control when reaching fixed dose, reduce the error when weighing, and improve the convenience of weighing, again through the setting of extrusion spring, make the kickboard when ascending to sliding plate department, avoid the contact switch to contact in advance because the vibration of mixer during operation, guarantee the contact switch just can contact when reaching predetermined scale, further improved the accuracy of weighing, ensure the performance of concrete, reduce the potential safety hazard.

(2) This stirring station liquid admixture fine-weighing device, through rotating the board and drive the motion of screw thread piece, the screw thread piece drives the sliding plate motion, and be provided with observation window and scale on the surface of measurement frame, make this device can adjust the dosage of weighing according to the concrete quantity of difference, the universality of device has been increased, and when the contact switch contact, the second valve is opened, utilize the setting of circulating pipe and feed liquor pipe, make the admixture can keep the circulation, prevent that the admixture from condensing, it is more convenient to use.

Drawings

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

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a liquid storage tank; 2. a metering frame; 3. a water pump; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. an addition pipe; 7. a threaded rod; 8. a floating plate; 9. a thread block; 10. a sliding plate; 11. a contact switch; 12. a first valve; 13. a circulation pipe; 14. a second valve; 15. a compression spring; 16. a gas permeable pipe; 17. rotating the plate; 18. a liquid discharge pipe; 19. a liquid feeding pipe; 20. an observation window; 21. a graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a liquid admixture precise weighing device for a mixing plant comprises a liquid storage tank 1 and a metering frame 2, wherein an observation window 20 is installed on the surface of the metering frame 2, the observation window 20 can be made of transparent glass, a graduated scale 21 is arranged on the surface of the observation window 20 and used for determining the dosage of the admixture, a vent pipe 16 is communicated with one side of the top of the metering frame 2 so as to facilitate air circulation in the metering frame 2 and keep the internal and external pressure consistent, a floating plate 8 can move upwards freely under the action of buoyancy, an extrusion spring 15 is fixedly connected to the bottom of a thread block 9, the extrusion spring 15 is sleeved on the surface of a threaded rod 7, when the floating plate 8 rises to a sliding plate 10, the contact switch 11 is prevented from being contacted in advance due to vibration of a mixer during working, the contact switch 11 can be contacted only when the contact switch reaches a preset scale, a liquid discharge pipe 18 is arranged on one side of the bottom of the metering frame 2, one side of the top of the liquid storage box 1 is provided with a liquid adding pipe 19, the prepared admixture is added into the liquid storage box 1 through the liquid adding pipe 19, the top of the liquid storage box 1 is provided with a water pump 3, the water inlet end of the water pump 3 is communicated with a liquid inlet pipe 4, one end of the liquid inlet pipe 4 penetrates through the liquid storage box 1 and extends into the liquid storage box 1, the water outlet end of the water pump 3 is communicated with a liquid outlet pipe 5, one end of the liquid outlet pipe 5 is communicated with an adding pipe 6, one end of the adding pipe 6 penetrates through the metering frame 2 and extends into the metering frame 2, the admixture is pumped into the metering frame 2 by the water pump 3 and the adding pipe 6, the bottom of the inner wall of the metering frame 2 is rotatably connected with a threaded rod 7, the top end of the threaded rod 7 penetrates through the metering frame 2 and extends to the top of the metering frame 2, one end of the threaded rod 7 extending to the top of the, thereby weigh the admixture of different dosage, increase the universality of the device, and one side that two sliding plates 10 leave is connected with both sides sliding of the inner wall of the measuring frame 2 respectively, the bottom swing joint on the surface of threaded rod 7 has the floating slab 8, the top threaded connection on the surface of threaded rod 7 has the threaded block 9, both sides of the threaded block 9 are all fixedly connected with the sliding plate 10, two sliding plates 10 and one side opposite to the floating slab 8 are all fixedly connected with the contact switch 11, the inside of the addition pipe 6 is equipped with the first valve 12, when the contact switch 11 contacts, the first valve 12 is closed, make the admixture can be accurately pumped into the measuring frame 2 from the liquid storage tank 1, when reaching the fixed dosage, do not need the manual control to close the first valve 12, reduce the error when weighing, and improve the convenience of weighing, the bottom of the addition pipe 6 is communicated with the circulating pipe 13, and the inside of the circulating pipe 13 is equipped with, through the cooperation of the circulating pipe 13, the second valve 14 and the liquid inlet pipe 4, the additive can be circulated when the additive is not needed to be added, and the coagulation of the additive is prevented.

When the concrete pump is used, firstly, according to the weight of concrete, the rotating plate 17 is rotated to drive the threaded rod 7 to rotate, the threaded rod 7 drives the threaded block 9 to move, the threaded block 9 drives the sliding plate 10 and the upper end contact switch 11 to move, after the sliding plate 10 is adjusted to a preset scale through the observation window 20 and the graduated scale 21, the first valve 12 is opened and the second valve 14 is closed, the water pump 3 pumps the admixture into the metering frame 2 through the liquid inlet pipe 4 and the adding pipe 6, the admixture drives the floating plate 8 to float upwards, so that the contact switch 11 is contacted, the first valve 12 is closed and the second valve 14 is opened, the admixture is added into the concrete through the liquid discharge pipe 18, and the residual admixture circulates through the circulating pipe 13 and the liquid inlet pipe 4, when the admixture needs to be added again, the operation is.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a device is called to stirring station liquid admixture precision, includes liquid reserve tank (1) and measurement frame (2), its characterized in that: a water pump (3) is arranged at the top of the liquid storage tank (1), the water inlet end of the water pump (3) is communicated with a liquid inlet pipe (4), one end of the liquid inlet pipe (4) penetrates through the liquid storage tank (1) and extends into the liquid storage tank (1), the water outlet end of the water pump (3) is communicated with a liquid outlet pipe (5), one end of the liquid outlet pipe (5) is communicated with an adding pipe (6), one end of the adding pipe (6) penetrates through the metering frame (2) and extends to the interior of the metering frame (2), the bottom of the inner wall of the metering frame (2) is rotationally connected with a threaded rod (7), the bottom of the surface of the threaded rod (7) is movably connected with a floating plate (8), the top of the surface of the threaded rod (7) is in threaded connection with a threaded block (9), sliding plates (10) are fixedly connected to two sides of the thread block (9), and contact switches (11) are fixedly connected to one opposite sides of the two sliding plates (10) and the floating plate (8).

2. The precise weighing device for the liquid admixture of the stirring station as claimed in claim 1, wherein: a first valve (12) is installed inside the adding pipe (6), a circulating pipe (13) is communicated with the bottom of the adding pipe (6), and a second valve (14) is installed inside the circulating pipe (13).

3. The precise weighing device for the liquid admixture of the stirring station as claimed in claim 1, wherein: the top of threaded rod (7) runs through measurement frame (2) and extends to the top of measurement frame (2), one end fixedly connected with commentaries on classics board (17) that threaded rod (7) extended to measurement frame (2) top to one side that two sliding plates (10) leave is respectively with the both sides sliding connection of measurement frame (2) inner wall.

4. The precise weighing device for the liquid admixture of the stirring station as claimed in claim 1, wherein: the surface mounting of measurement frame (2) has observation window (20), the surface of observation window (20) is provided with scale (21).

5. The precise weighing device for the liquid admixture of the stirring station as claimed in claim 1, wherein: one side at the top of the metering frame (2) is communicated with a vent pipe (16), the bottom of the thread block (9) is fixedly connected with an extrusion spring (15), and the surface of the threaded rod (7) is sleeved with the extrusion spring (15).

6. The precise weighing device for the liquid admixture of the stirring station as claimed in claim 1, wherein: a liquid discharge pipe (18) is arranged on one side of the bottom of the metering frame (2), and a liquid feeding pipe (19) is arranged on one side of the top of the liquid storage tank (1).