CN220850197U - High-load lifting appliance gas circuit control system - Google Patents
High-load lifting appliance gas circuit control system Download PDFInfo
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- CN220850197U CN220850197U CN202322428039.0U CN202322428039U CN220850197U CN 220850197 U CN220850197 U CN 220850197U CN 202322428039 U CN202322428039 U CN 202322428039U CN 220850197 U CN220850197 U CN 220850197U
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Abstract
The utility model discloses a high-load sling gas circuit control system, which is characterized in that: the control system comprises a first air source treatment (1), wherein the first air source treatment (1) is connected with the 1 port of a starting button (2), the 2 port of the starting button (2) is respectively connected with the inlet of an air storage tank (3) and the 12 port of a first two-position three-way single air control valve (5) through a tee joint, the outlet of the air storage tank (3) is connected with the inlet of a pilot-operated pressure reducing valve (4), the outlet of the pilot-operated pressure reducing valve (4) is connected with the 1 port of the first two-position three-way single air control valve (5), the 2 port of the first two-position three-way single air control valve (5) is connected with the inlet of a quick exhaust valve (6), the outlet of the quick exhaust valve (6) is connected with the air outlet end of an air cylinder (7), and the extending end of the air cylinder (7) is connected with a silencer (8).
Description
Technical Field
The utility model relates to a gas circuit control system, in particular to a gas circuit control system of a high-load lifting appliance.
Background
Various pneumatic control circuits are often used in the mechanical field at present, for example, some large high-load lifting appliances, and the pneumatic control circuits are also required to control the air circuit system. The conventional pneumatic control circuit has the common disadvantage that the whole mechanism is relatively large, so that the required actuating element is relatively large, and the generated impact force is large under the condition of needing to perform speed reduction or pressure switching, so that the lifting appliance can obviously shake and shake under the impact of air pressure, the comfort of a driver is seriously influenced, and meanwhile, the overall service life of the lifting appliance is also influenced by frequent impact.
There is thus a need for a method or apparatus that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a low-cost, high-load and high-safety gas path control system which can avoid impact force and impact on a mechanical structure when pressure switching is performed.
The technical scheme of the utility model is as follows: a high-load lifting appliance gas circuit control system is characterized in that: the control system comprises a first air source treatment 1, wherein the first air source treatment 1 is connected with a1 port of a starting button 2, the 2 port of the starting button 2 is respectively connected with an inlet of an air storage tank 3 and a 12 port of a first two-position three-way single air control valve 5 through a tee joint, an outlet of the air storage tank 3 is connected with an inlet of a pilot-operated pressure reducing valve 4,
The outlet of the pilot-operated pressure reducing valve 4 is connected with the 1 port of the first two-position three-way single pneumatic control valve 5, the 2 port of the first two-position three-way single pneumatic control valve 5 is connected with the inlet of the quick exhaust valve 6, the outlet of the quick exhaust valve 6 is connected with the air outlet of the retreating end of the air cylinder 7, the extending end of the air cylinder 7 is connected with a silencer 8,
The control system also comprises a first pressure reducing valve 12, wherein the inlet of the first pressure reducing valve 12 is connected with the outlet of the air storage tank 3, the outlet of the first pressure reducing valve 12 is connected with the 1 mouth of the second two-position three-way single air control valve 13, the 2 mouth of the second two-position three-way single air control valve 13 is respectively connected with the 3 mouth of the third two-position three-way single air control valve 11, the 12 mouth of the fourth two-position three-way single air control valve 16 and the 1 mouth of the fourth two-position three-way single air control valve 16 through multiple passes, the 2 mouth of the first travel switch 17 is connected with the 12 mouth of the third two-position three-way single air control valve 11,
The control system further comprises a second air source treatment 9, the second air source treatment 9 is respectively connected with the 1 port of the second travel switch 14 and the inlet of the second pressure reducing valve 10 through a tee joint, the 2 port of the second travel switch 14 is respectively connected with the 12 port of the second two-position tee joint single air control valve 13 and the indicator lamp 15 through a tee joint, meanwhile, the outlet of the second pressure reducing valve 10 is connected with the 1 port of the third two-position tee joint single air control valve 11, and the 2 port of the third two-position tee joint single air control valve 11 is connected with the pilot air port of the pilot pressure reducing valve 4.
Compared with the prior art, the utility model has the following advantages:
The high-load lifting appliance gas circuit control system in the structural form is simple in structure, ingenious in design and reasonable in layout, and a special structure is designed for solving various problems existing in a traditional high-load lifting appliance pneumatic control loop. Compared with the traditional pneumatic control loop, the system has higher safety, can realize gentle switching when pressure switching and speed switching are carried out, can effectively reduce the impact force to each part in the loop and the loop, further avoid the vibration of a mechanical structure part caused by impact, can improve the comfort of operators on one hand, and can effectively prolong the service life of a lifting appliance on the other hand. The control system has the advantages of simple manufacturing process and low manufacturing cost, and is particularly suitable for popularization and application in the field and has very broad market prospect.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
The device comprises a first air source treatment 1, a starting button 2, an air storage tank 3, a pilot-operated pressure reducing valve 4, a first two-position three-way single air control valve 5, a quick exhaust valve 6, an air cylinder 7, a silencer 8, a second air source treatment 9, a second pressure reducing valve 10, a third two-position three-way single air control valve 11, a first pressure reducing valve 12, a second two-position three-way single air control valve 13, a second travel switch 14, an indicator lamp 15, a fourth two-position three-way single air control valve 16 and a first travel switch 17.
Detailed Description
The following description of the embodiments of the utility model refers to the accompanying drawings, in which: as shown in figure 1, the high-load lifting appliance gas circuit control system comprises a first gas source treatment 1, wherein the first gas source treatment 1 is connected with a 1 port of a starting button 2, the 2 port of the starting button 2 is respectively connected with an inlet of a gas storage tank 3 and a 12 port of a first two-position three-way single gas control valve 5 through a tee joint, an outlet of the gas storage tank 3 is connected with an inlet of a pilot-type pressure reducing valve 4,
The outlet of the pilot-operated pressure reducing valve 4 is connected with the 1 port of the first two-position three-way single pneumatic control valve 5, the 2 port of the first two-position three-way single pneumatic control valve 5 is connected with the inlet of the quick exhaust valve 6, the outlet of the quick exhaust valve 6 is connected with the air outlet of the retreating end of the air cylinder 7, the extending end of the air cylinder 7 is connected with a silencer 8,
The control system also comprises a first pressure reducing valve 12, wherein the inlet of the first pressure reducing valve 12 is connected with the outlet of the air storage tank 3, the outlet of the first pressure reducing valve 12 is connected with the 1 mouth of the second two-position three-way single air control valve 13, the 2 mouth of the second two-position three-way single air control valve 13 is respectively connected with the 3 mouth of the third two-position three-way single air control valve 11, the 12 mouth of the fourth two-position three-way single air control valve 16 and the 1 mouth of the fourth two-position three-way single air control valve 16 through multiple passes, the 2 mouth of the first travel switch 17 is connected with the 12 mouth of the third two-position three-way single air control valve 11,
The control system further comprises a second air source treatment 9, the second air source treatment 9 is respectively connected with the 1 port of the second travel switch 14 and the inlet of the second pressure reducing valve 10 through a tee joint, the 2 port of the second travel switch 14 is respectively connected with the 12 port of the second two-position tee joint single air control valve 13 and the indicator lamp 15 through a tee joint, meanwhile, the outlet of the second pressure reducing valve 10 is connected with the 1 port of the third two-position tee joint single air control valve 11, and the 2 port of the third two-position tee joint single air control valve 11 is connected with the pilot air port of the pilot pressure reducing valve 4.
The working process of the high-load lifting appliance gas circuit control system provided by the embodiment of the utility model is as follows:
Examples: the first gas source treatment 1 was set to 10bar, the second gas source treatment 9 was set to 6bar, the pressure of the first pressure reducing valve 12 was 8bar, the pressure of the second pressure reducing valve 10 was 5bar,
Opening an air source, starting the first air source treatment 1 to work, and starting the ventilation of the 1 mouth of the button 2;
Simultaneously, the second air source treatment 9 also starts to work, the 1 port of the second travel switch 14 is ventilated, the second pressure reducing valve 10 is ventilated, the air pressure value of the air passing through the second pressure reducing valve 10 is adjusted to be 5bar working pressure, and the 1 port of the third two-position three-way single air control valve 11 is ventilated;
The operator presses the start button 2, the 2 ports of the start button 2 are ventilated, the 12 ports of the first two-position three-way single pneumatic control valve 5 are ventilated, so that the first two-position three-way single pneumatic control valve 5 is reversed, gas enters the gas storage tank 3, the gas storage tank 3 starts to store gas, one path of gas discharged through the gas storage tank 3 enters the pilot-operated pressure reducing valve 4, the inlet of the pilot-operated pressure reducing valve 4 is filled with 10bar of gas, the other path of gas enters the first pressure reducing valve 12, the working pressure of 8bar is regulated at the first pressure reducing valve 12, and the gas discharged through the outlet of the first pressure reducing valve 12 enters the 1 port of the second two-position three-way single pneumatic control valve 13;
The operator places a workpiece, the second travel switch 14 is triggered, the 2-port air outlet of the second travel switch 14 is turned on, the indicator lamp 15 is turned on, the 12-port air of the second two-position three-way single air control valve 13 is ventilated, the 2-port air of the second two-position three-way single air control valve 13 is discharged with 8bar, the 8bar air enters the 12-port air and the 1-port air of the fourth two-position three-way single air control valve 16 through a pipeline, the 2-port air of the fourth two-position three-way single air control valve 16 is discharged with 8bar air, and the 1-port air of the first travel switch 17 is introduced with 8bar air; meanwhile, the gas discharged by the second two-position three-way single pneumatic control valve 13 also enters the 3 port of the third two-position three-way single pneumatic control valve 11, the gas is discharged through the 2 port of the third two-position three-way single pneumatic control valve 11, the gas is introduced into the pilot port of the pilot type pressure reducing valve 4, the gas is discharged from the gas outlet, 8bar of gas is introduced into the 1 port of the first two-position three-way single pneumatic control valve 5, 8bar of gas is discharged from the 2 port, the gas reaches the retreating end of the air cylinder 7 after passing through the quick exhaust valve 6, and the air cylinder 7 can quickly rise under the action of 8bar of high-pressure gas so as to drive the lifting appliance and the workpiece to quickly rise;
After the cylinder 7 is lifted in place, namely the workpiece is lifted in place, an operator moves the lifting appliance to enable the lifting appliance to reach a designated position, at the moment, the first travel switch 17 is triggered, the 2 ports of the lifting appliance are discharged, the 12 ports of the third two-position three-way single pneumatic control valve 11 are ventilated, the third two-position three-way single pneumatic control valve 11 is commutated, and the 1 ports and the 2 ports of the lifting appliance are connected; the gas of 5bar after the pressure regulation of the second pressure reducing valve 10 enters the 1 mouth of the third two-position three-way single air control valve 11, is discharged from the 2 mouth of the third two-position three-way single air control valve, enters the pilot mouth of the pilot pressure reducing valve 4, the gas of 5bar is discharged from the gas outlet of the pilot pressure reducing valve 4, the gas is introduced into the 1 mouth of the first two-position three-way single air control valve 5, the gas of 5bar is discharged from the 2 mouth of the first two-position three-way single air control valve 5, the gas reaches the retreating end of the air cylinder 7 through the quick exhaust valve 6, the air cylinder 7 descends under the low-pressure and low-speed state, the lifting appliance and the workpiece are driven to slowly descend, and after the workpiece descends to the position, the worker takes the workpiece away.
Claims (1)
1. A high-load lifting appliance gas circuit control system is characterized in that: the control system comprises a first air source treatment (1), wherein the first air source treatment (1) is connected with the 1 port of a starting button (2), the 2 port of the starting button (2) is respectively connected with the inlet of an air storage tank (3) and the 12 port of a first two-position three-way single air control valve (5) through a tee joint, the outlet of the air storage tank (3) is connected with the inlet of a pilot-operated pressure reducing valve (4),
The outlet of the pilot-operated pressure reducing valve (4) is connected with the 1 port of the first two-position three-way single pneumatic control valve (5), the 2 port of the first two-position three-way single pneumatic control valve (5) is connected with the inlet of the quick exhaust valve (6), the outlet of the quick exhaust valve (6) is connected with the air outlet of the retreating end of the air cylinder (7), the extending end of the air cylinder (7) is connected with the silencer (8),
The control system also comprises a first pressure reducing valve (12), wherein the inlet of the first pressure reducing valve (12) is connected with the outlet of the air storage tank (3), the outlet of the first pressure reducing valve (12) is connected with the 1 port of the second two-position three-way single air control valve (13), the 2 port of the second two-position three-way single air control valve (13) is respectively connected with the 3 port of the third two-position three-way single air control valve (11), the 12 port and the 1 port of the fourth two-position three-way single air control valve (16) through multiple passes, the 2 port of the fourth two-position three-way single air control valve (16) is connected with the 1 port of the first travel switch (17), the 2 port of the first travel switch (17) is connected with the 12 port of the third two-position three-way single air control valve (11),
The control system further comprises a second air source treatment (9), the second air source treatment (9) is respectively connected with the 1 port of a second travel switch (14) and the inlet of a second pressure reducing valve (10) through a tee joint, the 2 port of the second travel switch (14) is respectively connected with the 12 port of a second two-position three-way single air control valve (13) and an indicator lamp (15) through a tee joint, meanwhile, the outlet of the second pressure reducing valve (10) is connected with the 1 port of a third two-position three-way single air control valve (11), and the 2 port of the third two-position three-way single air control valve (11) is connected with the pilot air port of a pilot pressure reducing valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428039.0U CN220850197U (en) | 2023-09-07 | 2023-09-07 | High-load lifting appliance gas circuit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428039.0U CN220850197U (en) | 2023-09-07 | 2023-09-07 | High-load lifting appliance gas circuit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850197U true CN220850197U (en) | 2024-04-26 |
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ID=90748485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322428039.0U Active CN220850197U (en) | 2023-09-07 | 2023-09-07 | High-load lifting appliance gas circuit control system |
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| Country | Link |
|---|---|
| CN (1) | CN220850197U (en) |
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2023
- 2023-09-07 CN CN202322428039.0U patent/CN220850197U/en active Active
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