CN211917253U - Foam concrete pressurization alarm device - Google Patents
Foam concrete pressurization alarm device Download PDFInfo
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- CN211917253U CN211917253U CN201921957045.2U CN201921957045U CN211917253U CN 211917253 U CN211917253 U CN 211917253U CN 201921957045 U CN201921957045 U CN 201921957045U CN 211917253 U CN211917253 U CN 211917253U
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Abstract
The utility model relates to the technical field of foam concrete pressurization, in particular to a foam concrete pressurization alarm device; the stirring device comprises a motor, an air inlet, a pressure sensing device, a bracket, a display device, a rotating shaft, a stirring blade, a shell main body and a material port; the air inlet is arranged on the outer wall of the shell main body; the material port is arranged at the top of the shell main body and is used as a passage for the foam concrete to enter and exit; the pressure sensing device is fixed at the bottom in the shell main body through the bracket and is used for detecting the pressure condition in the shell main body; the display device is connected with the pressure sensing device passage and is used for displaying an alarm according to the received data of the pressure sensing device. The utility model aims at providing a foam concrete alarm device that pressurizes to the defect that exists among the prior art, when possessing the stirring and pressurizing, pressure in the effectual controlling means in time sends out the police dispatch newspaper, improves the security when pressure is too big.
Description
Technical Field
The utility model relates to a foam concrete pressurizes technical field, especially relates to a foam concrete pressurizes alarm device.
Background
At present, the air compression method is mostly adopted in the field of construction to produce foam concrete, and the concrete steps are as follows: firstly, uniformly stirring cement, mineral admixture and water in a stirring device according to a certain proportion, and conveying the mixture into a pipeline through a conveying pump; secondly, mixing a foaming agent according to a certain proportion, and mixing the foaming agent with compressed air through a foaming agent delivery pump (namely an air compression method) to generate dense foam in the pipeline; finally, the cement slurry and foam are mechanically mixed within the pipe. The foamed concrete produced by this type of equipment has the following disadvantages: the inner pores of the foam concrete are distributed unevenly, the pore diameter of the pores is between 0.1mm and 1.5mm, the size difference of the pores is large, and the pores with large diameters exist, so that the strength and the thermal performance of the foam concrete are adversely affected; the mechanical mixing of cement paste and foam has the problems of large amount of defoaming and uneven defoaming (wherein the defoaming rate is that the volume ratio of the foam to be eliminated to the foam to be added is 10-20%), which can increase the initial water cement ratio of the foam concrete, greatly change the density grade of the produced foam concrete, influence the strength and the property of the foam concrete and increase the production cost of the foam concrete.
In the prior art, a method of pressurizing the device while stirring is often adopted to solve the defoaming problem. However, in actual operation, the defoaming effect is not obvious due to poor control of the internal pressure, and even potential safety hazards of explosion can occur.
In view of the above problems, the present designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively making research and innovation in cooperation with the application of the theory, so as to design the foam concrete pressurizing alarm device, effectively control the pressure in the device, and timely give an alarm when the pressure is too high, thereby improving the safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foam concrete alarm device that pressurizes to the defect that exists among the prior art, when possessing the stirring and pressurizing, pressure in the effectual controlling means in time sends out the police dispatch newspaper, improves the security when pressure is too big.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the stirring device comprises a motor, an air inlet, a pressure sensing device, a bracket, a display device, a rotating shaft, a stirring blade, a shell main body and a material port; the motor is arranged at the top of the shell main body, is connected with the rotating shaft and provides power for the rotating shaft; the stirring blade is fixed on the shaft body of the rotating shaft and is used for stirring concrete under the driving of the rotating shaft; the air inlet is arranged on the outer wall of the shell main body and used for inputting air and increasing air pressure; the material port is arranged at the top of the shell main body and is used as a passage for the foam concrete to enter and exit; the pressure sensing device is fixed at the bottom in the shell main body through the bracket and is used for detecting the pressure condition in the shell main body; the display device is connected with the pressure sensing device passage and is used for displaying an alarm according to the received data of the pressure sensing device.
Further, the pressure sensing device comprises a sealing ring, a piston sleeve, a corrugated pipe elastic body, a piston body and a flange disc; the piston sleeve is fixedly sleeved on the periphery of the piston body, and the piston sleeve and the piston body are sealed through the sealing ring; the corrugated pipe elastic body is arranged on the flange plate in an encircling and overlapping mode and sleeved on the periphery of the piston body, the other end of the corrugated pipe elastic body is connected with the piston sleeve, and the flange plate is fixed on the bracket; the piston body is made of conductor materials, the neck is provided with a notch, linear motion is carried out under external pressure, and meanwhile on-off control is carried out on a circuit where the display device is located in the motion process.
Further, the device also comprises a sliding plate; the sliding plate is supported by the elastic body, contacts with the top of the piston body and is matched with a sliding rail arranged on the inner wall of the shell main body; the elastic body is of an elastic structure and is used for deforming after bearing the gravity and the gas pressure of the concrete.
Furthermore, the shell main body is of a double-layer structure, and a cavity is arranged in the wall of the shell main body; the upper surface of the bottom of the shell main body is provided with two conductors, and the distance between the two conductors is the same as the diameter of the bottom of the piston body.
Furthermore, the display device is connected with the pressure sensing device in a way of a passage, specifically, a circuit device is adopted for connection; the circuit device comprises a battery box and an electric wire; the battery box is arranged outside the shell main body and communicated with the cavity; the first section of the electric wire is led out from the battery box and is communicated with a conductor arranged on the upper surface of the bottom of the shell main body; the second segment of the electric wire is led out from another conductor arranged on the upper surface of the bottom of the shell main body and is communicated with the display device.
Further, an air cover is arranged at the air inlet; the air cover is used for sealing the air inlet after air inlet.
Furthermore, a plurality of small holes are formed in the surface of the spray head; the small holes are uniformly distributed, and a material cover is arranged at the material port; the material cover is used for sealing the material opening after feeding.
Through the technical scheme of the utility model, can realize following technological effect:
when the air pressure in the stirring device reaches the upper limit, the pressure sensing device can change the working state, so that the circuit of the circuit device is switched on, and the display device is in the power-on state. And then trigger the inside power supply system of display device and supply power for alarm system, send out the police dispatch newspaper, remind relevant personnel in time to handle, reduce the loss, improved security and practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a foam concrete pressurization warning device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pressure sensing device of a foam concrete pressurization warning device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a sliding plate of the alarm device for foam concrete pressurization according to an embodiment of the present invention;
description of the drawings: the device comprises a motor 1, an air inlet 2, a pressure sensing device 3, a bracket 4, a circuit device 5, a display device 6, a rotating shaft 7, a stirring blade 8, a sliding plate 9, a shell main body 10, a cavity 11, a material opening 12, an air cover 21, a sealing ring 31, a piston sleeve 32, a corrugated pipe elastic body 33, a piston body 34, a flange 35, an elastic body 91 and a material cover 121.
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.
In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A foam concrete pressurizing alarm device is shown in figure 1 and comprises a motor 1, an air inlet 2, a pressure sensing device 3, a bracket 4, a display device 6, a rotating shaft 7, a stirring blade 8, a shell main body 10 and a material port 12; the motor 1 is arranged at the top of the shell main body 10, is connected with the rotating shaft 7 and provides power for the rotating shaft 7; the stirring blade 8 is fixed on the shaft body of the rotating shaft 7 and is used for stirring concrete under the driving of the rotating shaft 7; the air inlet 2 is arranged on the outer wall of the shell main body 10 and is used for inputting air and increasing air pressure; the material port 12 is arranged at the top of the shell main body 10 and is used as a passage for the foam concrete to flow in and out; the pressure sensing device 3 is fixed at the bottom in the shell main body 2 through the bracket 4 and is used for detecting the pressure condition in the shell main body 10; the display device 6 is connected with the pressure sensing device 3 in a communication way and is used for displaying an alarm according to the received data of the pressure sensing device 3.
Specifically, the foam concrete to be stirred is poured from the material port 12 and covered with the material cover 121 tightly, then the air inlet 2 is used for inflating the interior of the device to increase the internal air pressure, and after the completion, the air cover 21 is covered tightly. Meanwhile, the motor 1 is started to drive the stirring blades 8 on the rotating shaft 7 to stir. In actual operation, the pressure of the input gas is not controlled well, so that the gas pressure in the device is too high, and the sliding plate 9 moves downwards along the sliding rail formed on the inner wall of the housing body 10, the elastic body 91 deforms, and the piston body 34 in the pressure sensing device 3 also moves downwards relative to the bellows elastic body 33. When the air pressure reaches the safety warning line, the piston body 34 passes through the central through hole of the bracket 4, contacts with the two conductors arranged on the upper surface of the bottom of the shell main body 10 and is just clamped between the two conductors to form a passage between the circuit device 5 and the display device 6, the display device 6 triggers an internal power supply system to supply power, the alarm system is started, and the safety is improved.
As a preference of the above embodiment, as shown in fig. 1 and 2, the pressure sensing device 3 includes a seal ring 31, a piston sleeve 32, a bellows elastic body 33, a piston body 34, and a flange 35; the piston sleeve 32 is fixedly sleeved on the periphery of the piston body 34, and the piston sleeve and the piston body are sealed through the sealing ring 31; the corrugated pipe elastic body 33 is placed on the flange 35 in an encircling and overlapping manner, and is sleeved on the periphery of the piston body 34, the other end of the corrugated pipe elastic body is connected with the piston sleeve 32, and the flange 35 is fixed on the bracket 4; the piston body 34 is made of a conductive material, has a notch at a neck portion, and linearly moves under external pressure while on-off controlling a circuit where the display device 6 is located during movement.
As a preference of the above embodiment, as shown in fig. 1, the device further comprises a sliding plate 9; the sliding plate 9 is supported by an elastic body 91, contacts with the top of the piston body 34 and is matched with a sliding rail arranged on the inner wall of the shell main body 10; the elastic body 91 is an elastic structure and is used for generating deformation after bearing the gravity and the gas pressure of the concrete.
As a preference of the above embodiment, as shown in fig. 1 and 2, the housing main body 10 has a double-layer structure, and a chamber 11 is provided in the wall; two conductors are arranged on the upper surface of the bottom of the shell main body 10, and the distance between the two conductors is the same as the diameter of the bottom of the piston body 34.
As a preferred embodiment of the present invention, as shown in fig. 1, the display device 6 is connected to the pressure sensing device 3 by way of a circuit device 5; the circuit device 5 comprises a battery box and an electric wire; the battery box is arranged outside the shell main body 10 and communicated with the cavity 11; the first section of the electric wire is led out from the battery box and is communicated with a conductor arranged on the upper surface of the bottom of the shell main body 10; the second segment of the electric wire is led out from another conductor provided on the bottom upper surface of the case main body 10 and is connected to the display device 6.
As a preference of the above embodiment, as shown in fig. 1, an air cover 21 is disposed at the air inlet 2; the air cap 21 is used to seal the air inlet 2 after air intake.
As a preference of the above embodiment, as shown in fig. 1, a material cover 121 is disposed at the material port 12; the cap 121 is used to seal the material opening 12 after feeding.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A foam concrete pressurizing alarm device is characterized by comprising a motor (1), an air inlet (2), a pressure sensing device (3), a bracket (4), a display device (6), a rotating shaft (7), stirring blades (8), a shell main body (10) and a material port (12); the motor (1) is arranged at the top of the shell main body (10), is connected with the rotating shaft (7) and provides power for the rotating shaft (7); the stirring blade (8) is fixed on the shaft body of the rotating shaft (7) and is used for stirring concrete under the driving of the rotating shaft (7); the air inlet (2) is arranged on the outer wall of the shell main body (10) and used for inputting air and increasing air pressure; the material port (12) is arranged at the top of the shell main body (10) and is used as a passage for the foam concrete to flow in and out; the pressure sensing device (3) is fixed at the bottom in the shell main body (10) through the bracket (4) and is used for detecting the pressure condition in the shell main body (10); the display device (6) is connected with the pressure sensing device (3) in a way and is used for displaying an alarm according to the received data of the pressure sensing device (3).
2. The foam concrete pressurization warning device according to claim 1, characterized in that said pressure sensing means (3) comprises a sealing ring (31), a piston sleeve (32), a bellows elastic body (33), a piston body (34) and a flange plate (35); the piston sleeve (32) is fixedly sleeved on the periphery of the piston body (34), and the piston sleeve and the piston body are sealed through the sealing ring (31); the corrugated pipe elastic body (33) is arranged on the flange plate (35) in a surrounding and overlapping mode and sleeved on the periphery of the piston body (34), the other end of the corrugated pipe elastic body is connected with the piston sleeve (32), and the flange plate (35) is fixed on the bracket (4); the piston body (34) is made of a conductor material, the neck is provided with a notch, linear motion is carried out under external pressure, and meanwhile on-off control is carried out on a circuit where the display device (6) is located in the motion process.
3. The foam concrete charging warning device according to claim 2, further comprising a sliding plate (9); the sliding plate (9) is supported by an elastic body (91), contacts with the top of the piston body (34) and is matched with a sliding rail arranged on the inner wall of the shell main body (10); the elastic body (91) is of an elastic structure and is used for deforming after bearing the gravity and the gas pressure of the concrete.
4. The apparatus according to claim 3, wherein the casing body (10) has a double-layer structure with a chamber (11) in the wall; the upper surface of the bottom of the shell main body (10) is provided with two conductors, and the distance between the two conductors is the same as the diameter of the bottom of the piston body (34).
5. The apparatus according to claim 4, characterized in that the display device (6) is connected to the pressure sensor device (3) via a circuit arrangement (5); the circuit device (5) comprises a battery box and an electric wire; the battery box is arranged outside the shell main body (10) and is communicated with the cavity (11); a first section of the electric wire is led out from the battery box and is communicated with a conductor arranged on the upper surface of the bottom of the shell main body (10); the second segment of the electric wire is led out from another conductor arranged on the upper surface of the bottom of the shell main body (10) and is communicated with the display device (6).
6. The foam concrete charging alarm device according to claim 1, wherein an air cap (21) is provided at the air inlet (2); the air cover (21) is used for sealing the air inlet (2) after air inlet.
7. The foam concrete charging alarm device according to claim 1, wherein a charging cover (121) is provided at the charging port (12); the material cover (121) is used for sealing the material opening (12) after feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921957045.2U CN211917253U (en) | 2019-11-13 | 2019-11-13 | Foam concrete pressurization alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921957045.2U CN211917253U (en) | 2019-11-13 | 2019-11-13 | Foam concrete pressurization alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211917253U true CN211917253U (en) | 2020-11-13 |
Family
ID=73319204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921957045.2U Active CN211917253U (en) | 2019-11-13 | 2019-11-13 | Foam concrete pressurization alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211917253U (en) |
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2019
- 2019-11-13 CN CN201921957045.2U patent/CN211917253U/en active Active
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