CN213900743U - Pneumatic three-position automatic conversion device - Google Patents
Pneumatic three-position automatic conversion device Download PDFInfo
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- CN213900743U CN213900743U CN202022342946.XU CN202022342946U CN213900743U CN 213900743 U CN213900743 U CN 213900743U CN 202022342946 U CN202022342946 U CN 202022342946U CN 213900743 U CN213900743 U CN 213900743U
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Abstract
The utility model provides a pneumatic three-position automatic conversion device which is used for controlling the discharging of solution by a field mixed explosive truck; the system specifically comprises a pneumatic actuator, a PLC (programmable logic controller), a control valve A, a control valve B, a circuit system and a gas circuit system; the position state of the pneumatic actuator is associated with a PLC program, and corresponds to the position of a control rod at the discharge hole of the solution tank; the control valve A and the control valve B are respectively connected with the PLC through a circuit system; the utility model combines the operation mode of the control rod of the discharge hole of the box body with the electric control and converts the gas circuit into the automatic control, thereby reducing the labor intensity of the operation and improving the working efficiency; when the pneumatic actuator is used, the pneumatic actuator is automatically switched to a corresponding position only by opening or closing the pharmacy key during pharmacy each time, and one-key pharmacy is realized.
Description
Technical Field
The utility model belongs to scene loads in mixture explosive car field relates to scene loads in mixture explosive car's solution tank ejection of compact automatic switching device, specifically is a three position automatic switching device of pneumatic type.
Background
The on-site explosive mixed loading vehicle is a vehicle suitable for metallurgy, coal, chemical industry and building materials; the production process flow of the on-site mixed explosive is basically similar to that of the commercial explosive, but the manufacturing process is finished by two systems, namely a ground station and an on-site mixed explosive truck; the operation mode of a discharge port control rod of the existing on-site mixed loading explosive truck solution tank is manual operation, and the defects of inconvenient operation, labor-consuming operation, difficult control and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a three position automatic switching devices of pneumatic type. The problems that a discharge port of a solution tank of an on-site mixed loading explosive truck is inconvenient to operate and low in working efficiency are solved.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A pneumatic three-position automatic conversion device comprises a pneumatic actuator, a PLC (programmable logic controller), a control valve A, a control valve B, a circuit system and an air circuit system; the control valve A and the control valve B are arranged at a discharge port of a solution tank of the field mixed explosive truck; the pneumatic actuator is provided with a left station, a right station and a middle station, and the left station, the right station and the middle station are respectively provided with two air receiving ports; the air receiving ports of the left station and the right station are connected through an air path system, the air receiving port of the middle station is connected with the control valve B through the air path system, and the air receiving ports of the left station and the right station are connected with the control valve A through the air path system; the position state of the pneumatic actuator is associated with a PLC program, and corresponds to the position of a control rod at the discharge hole of the solution tank; and the control valve A and the control valve B are respectively connected with the PLC through a circuit system.
Further, left side station, right station are provided with C respectively and connect the gas port and D to connect the gas port, the C of left side station connects the gas port and the C of right station to connect the gas port through first gas circuit continuous, the D of left side station connects the gas port and the D of right station to connect the gas port and passes through the second gas circuit continuous, first gas circuit and second gas circuit are continuous with control valve A's control lever respectively, the gas circuit that second gas circuit and control valve A are connected is the normal through.
Furthermore, the intermediate station is provided with an E gas receiving port and an F gas receiving port, the E gas receiving port and the F gas receiving port are respectively connected with a control rod of the control valve B through a gas circuit, and the gas circuit of the E gas receiving port connected with the control valve B is normally open.
Further, the control valve A and the control valve B are respectively connected with an air source.
Further, the control valve A and the control valve B are respectively provided with an exhaust hole.
The utility model discloses produced beneficial effect does for prior art.
The utility model combines the operation mode of the control rod of the discharge hole of the box body with the electric control and converts the gas circuit into the automatic control, thereby reducing the labor intensity of the operation and improving the working efficiency; the utility model discloses when using, pharmacy at every turn only needs to open or close the pharmacy key, and pneumatic actuator has realized a key pharmacy with regard to automatic switch-over to relevant position. Use the utility model discloses, convenient operation, simple structure, it is small, the reliability is high, alleviates operative employee intensity of labour, improves work efficiency.
Drawings
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the following drawings are combined for illustration:
FIG. 1 is a schematic structural view of a conversion device according to the present invention;
in the figure, 1 is a pneumatic actuator, 2 is a PLC controller, 3 is a control valve A, 4 is a control valve B, 5 is a circuit system, 11 is a left station, 12 is a middle station, 13 is a right station, 61 is a first air path, 62 is a second air path, and 7 is an air source.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the pneumatic three-position automatic switching device is used for switching and controlling discharge of a solution tank of a field mixed explosive loading vehicle, and specifically comprises a pneumatic actuator 1, a PLC (programmable logic controller) 2, a control valve A3, a control valve B4, a circuit system 5 and an air circuit system; the control valve A3 and the control valve B4 are arranged at the discharge port of the solution tank of the field mixed explosive truck; the pneumatic actuator 1 is provided with a left station 11, a right station 13 and a middle station 12; wherein, left side station 11, right side station 13 are provided with C respectively and connect the gas port and D to connect the gas port, and the C of left side station 11 connects the gas port and the C of right side station 13 to connect the gas port to link to each other through first gas circuit 61, and the D of left side station 11 connects the gas port and the D of right side station 13 to connect the gas port to link to each other through second gas circuit 62, and first gas circuit 61 and second gas circuit 62 link to each other with control valve A3's control lever respectively, and the gas circuit that second gas circuit 62 and control valve A3 are connected is the normal through. The intermediate station 12 is provided with an E air receiving port and an F air receiving port, the E air receiving port and the F air receiving port are respectively connected with a control rod of the control valve B4 through an air path, and the air path of the E air receiving port connected with the control valve B4 is normally open. The position state of the pneumatic actuator 1 is associated with the program of the PLC 2, and the position state of the pneumatic actuator 1 corresponds to the position of a control rod at the discharge hole of the solution tank; and the control valve A3 and the control valve B4 are respectively connected with the PLC 2 through a circuit system 5. The control valve A3 and the control valve B4 are respectively connected with an air source 7. The control valve A3 and the control valve B4 are provided with exhaust holes, respectively.
The working principle is as follows: the position state of the pneumatic actuator 1 is related to the program of the PLC 2, the position state of the pneumatic actuator 1 corresponds to the position of a control rod at the discharge hole of the solution tank, the control valve A3 and the control valve B4 are not electrified in the initial state, the air inlet D and the air inlet E are always ventilated, and the pneumatic actuator 1 keeps the middle position; when the control valve A3 is electrified and the control valve B4 is not electrified, the air connecting port C and the air connecting port E are ventilated, and the pneumatic actuator 1 keeps the left side position; when the control valve B4 is electrified, the control valve A3 is not electrified, the D gas connecting port and the F gas connecting port are ventilated, the pneumatic actuator 1 keeps a right side position, and the pneumatic actuator 1 is automatically switched to a corresponding position only by opening or closing a pharmacy key every time for pharmacy, so that one-key pharmacy is realized. Use the utility model discloses, convenient operation, simple structure, it is small, the reliability is high, alleviates operative employee intensity of labour, improves work efficiency.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (5)
1. A pneumatic three-position automatic conversion device is characterized by comprising a pneumatic actuator (1), a PLC (programmable logic controller) controller (2), a control valve A (3), a control valve B (4), a circuit system (5) and an air path system; the control valve A (3) and the control valve B (4) are arranged at a discharge port of a solution tank of the field mixed explosive truck; the pneumatic actuator (1) is provided with a left station (11), a right station (13) and a middle station (12), and the left station (11), the right station (13) and the middle station (12) are respectively provided with two air receiving ports; the air receiving ports of the left station (11) and the right station (13) are connected through an air path system, the air receiving port of the middle station (12) is connected with the control valve B (4) through the air path system, and the air receiving ports of the left station (11) and the right station (13) are connected with the control valve A (3) through the air path system; the position state of the pneumatic actuator (1) is associated with a PLC (programmable logic controller) 2 program, and the position state of the pneumatic actuator (1) corresponds to the position of a control rod at the discharge hole of the solution tank; and the control valve A (3) and the control valve B (4) are respectively connected with the PLC (2) through a circuit system (5).
2. The pneumatic three-position automatic switching device according to claim 1, wherein a C air receiving port and a D air receiving port are respectively arranged on the left station (11) and the right station (13), the C air receiving port of the left station (11) is connected with the C air receiving port of the right station (13) through a first air path (61), the D air receiving port of the left station (11) is connected with the D air receiving port of the right station (13) through a second air path (62), the first air path (61) and the second air path (62) are respectively connected with a control rod of the control valve A (3), and the air paths connected with the control valve A (3) through the second air path (62) are normally through.
3. The pneumatic three-position automatic switching device according to claim 2, wherein the intermediate station (12) is provided with an E air receiving port and an F air receiving port, the E air receiving port and the F air receiving port are respectively connected with a control rod of the control valve B (4) through air channels, and the air channels of the E air receiving port and the control valve B (4) are normally open.
4. A pneumatic three-position automatic switching device according to claim 1, wherein the control valve a (3) and the control valve B (4) are connected to an air source (7), respectively.
5. A pneumatic three-position automatic switching device according to claim 1, wherein the control valve a (3) and the control valve B (4) are respectively provided with a vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342946.XU CN213900743U (en) | 2020-10-20 | 2020-10-20 | Pneumatic three-position automatic conversion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342946.XU CN213900743U (en) | 2020-10-20 | 2020-10-20 | Pneumatic three-position automatic conversion device |
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| CN213900743U true CN213900743U (en) | 2021-08-06 |
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| CN202022342946.XU Active CN213900743U (en) | 2020-10-20 | 2020-10-20 | Pneumatic three-position automatic conversion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115270053A (en) * | 2022-08-01 | 2022-11-01 | 重庆朝阳气体有限公司 | Method for solving calculation and evidence-making problems in standard gas preparation process based on Excel |
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2020
- 2020-10-20 CN CN202022342946.XU patent/CN213900743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115270053A (en) * | 2022-08-01 | 2022-11-01 | 重庆朝阳气体有限公司 | Method for solving calculation and evidence-making problems in standard gas preparation process based on Excel |
| CN115270053B (en) * | 2022-08-01 | 2024-04-02 | 重庆朝阳气体有限公司 | Method for solving calculation and evidence problems in standard gas preparation process based on Excel |
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