CN213510103U - Safety door lifting system controlled by air cylinder and circuit structure thereof - Google Patents
Safety door lifting system controlled by air cylinder and circuit structure thereof Download PDFInfo
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- CN213510103U CN213510103U CN202021817404.7U CN202021817404U CN213510103U CN 213510103 U CN213510103 U CN 213510103U CN 202021817404 U CN202021817404 U CN 202021817404U CN 213510103 U CN213510103 U CN 213510103U
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Abstract
The utility model relates to an emergency exit operating system of cylinder control, include: the safety door is driven to move by the air cylinder through an air cylinder connecting rod, and the air cylinder is connected with the electromagnetic valve through a door closing compressed air pipeline and a door opening compressed air pipeline respectively. The utility model discloses still relate to a cylinder control's emergency exit operating system's circuit structure, include: intermediate relay KA and ascending electromagnetic valve YV connected in parallel to 24V power supply1Descending electromagnetic valve YV2. The utility model uses compressed air, which saves energy; the cylinder is used for perfectly replacing the original motor control device; the self-locking function is realized, and the operation safety is ensured; the system has the advantages that the system has position feedback detection, is accessed to a PLC control system, and can realize the program linkage function; the electric design is simple, the installation is simple, and the effect is good; the lifting system has no wearing parts, and has the characteristics of long service life and stable operation.
Description
Technical Field
The utility model belongs to the technical field of industrial control and electrical control, concretely relates to emergency exit operating system of cylinder control and circuit structure thereof.
Background
The safety door has wide application in the processes of material transportation and processing and ticket checking of personnel in public places, and plays an important role in safe operation.
With the progress of technology, the safety door is not limited to be used for ticket checking in industrial transportation production and places such as airports, subways and the like, but is more commonly operated in high-grade office buildings, libraries, movie theaters, factory enterprises, exhibition centers, stadiums, tourist attractions and the like.
Therefore, the safety control of the safety gate is particularly important. However, the traditional lifting safety door generally uses a motor, a speed reducer and band-type brake control to realize lifting of the safety door, and detection feedback of the position of the safety door is realized through the limited rotation of a cam at the end of the speed reducer.
Such a control device has certain advantages when the operating frequency is low, but when the operating frequency is high, the following problems occur in practical applications:
1. the action frequency is high, the contactor of the control motor acts frequently, and the contact is easy to oxidize to generate sparks, so that the contact of the contactor is stuck and other faults are caused.
2. Gears inside the speed reducer and the like are easy to wear, so that the problems of gear meshing looseness, falling and the like are caused, and the safety door is out of control.
3. The motor band-type brake is required to act once when the safety door acts at every time, the band-type brake is abraded and the gap is enlarged after the safety door runs for a long time, and the problem that the safety door cannot be clasped by the band-type brake after the safety door reaches a rising position and falls down can occur.
The safety door can generate larger impact force when falling and closing under certain acting force, so that the accident that hands or other parts of human bodies are crushed or even broken by the safety door when the safety door is closed by an operator carelessly in production operation can be caused; unnecessary personal injuries may also occur in public places.
Disclosure of Invention
To the technical problem that above-mentioned exists, the utility model provides an emergency exit operating system of cylinder control and circuit structure thereof. An air cylinder is used as a power device, an air cylinder connecting rod drives the safety door to move, and compressed air is used as power. The cylinder action is controlled by a solenoid valve. And a photoelectric switch is arranged on the cylinder to detect the position of the piston, so that the ascending and descending positions of the safety door can be detected and fed back. The utility model aims to solve the potential safety hazard that the lift of traditional motor, speed reducer and band-type brake control realization emergency exit exists, change the control mode that the emergency exit goes up and down, the emergency exit through cylinder control goes up and down to have higher security. The utility model discloses the technical scheme who adopts as follows:
a cylinder controlled emergency gate lift system comprising: the safety door is connected with the safety door through a cylinder connecting rod and drives the safety door to move, and the cylinder is connected with the electromagnetic valve through a door closing compressed air pipeline and a door opening compressed air pipeline respectively.
Preferably, the cylinder is provided with an upper limit photoelectric switch and a lower limit photoelectric switch.
Preferably, the cylinder-controlled safety door lifting system further comprises an infrared detection device and a PLC control device, wherein the PLC control device is electrically connected with the infrared detection device, the electromagnetic valve, the upper limit photoelectric switch and the lower limit photoelectric switch respectively.
Preferably, the safety door lifting system controlled by the cylinder further comprises a self-locking device.
A circuit structure of a cylinder-controlled safety door lifting system is applied to the cylinder-controlled safety door lifting system, and comprises: intermediate relay KA and ascending electromagnetic valve YV connected in parallel to 24V power supply1Descending electromagnetic valve YV2A KA normally open switch and KM are connected in series on a branch circuit between the intermediate relay KA and the 24V power supply2Normally closed switch, solenoid valve YV1KM is connected in series on a branch between the KM and a 24V power supply1Normally open switch, in descending electromagnetic valve YV2KM is connected in series on a branch between the KM and a 24V power supply2A normally open switch.
The utility model has the advantages that:
1. compressed air is used, so that energy is saved;
2. the cylinder is used for perfectly replacing the original motor control device;
3. the self-locking function is realized, and the operation safety is ensured;
4. the system has the advantages that the system has position feedback detection, is accessed to a PLC control system, and can realize the program linkage function;
5. the electric design is simple, the installation is simple, and the effect is good;
6. the lifting system has no wearing parts, and has the characteristics of long service life and stable operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are illustrative of some embodiments of the invention, and that those skilled in the art will be able to derive other drawings without inventive step from these drawings, which are within the scope of the present application.
Fig. 1 is a schematic structural view of a cylinder-controlled emergency gate lifting system according to an embodiment of the present invention;
fig. 2 is an electrical schematic diagram of an embodiment of the invention;
in the figure, 1-electromagnetic valve, 2-safety door, 3-door closing compressed air pipeline, 4-door opening compressed air pipeline, 5-upper limit photoelectric switch, 6-lower limit photoelectric switch and 7-cylinder.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, which include but are not limited to the following embodiments.
As shown in fig. 1, the structure of the safety door lifting system controlled by the cylinder according to the embodiment of the present invention is schematically illustrated. A cylinder controlled emergency gate lift system comprising: and the cylinder 7 drives the safety door 2 to move through a cylinder connecting rod, so that the safety door 2 is lifted. The air cylinder 7 is connected with the electromagnetic valve 1 through the door-closing compressed air pipeline 3 and the door-opening compressed air pipeline 4 respectively, when the door needs to be opened, the electromagnetic valve 1 controls the opening compressed air pipeline 4 to be conducted, and the air cylinder 7 slides upwards through an air cylinder connecting rod to drive the safety door 2 to ascend and open; when the door needs to be closed, the electromagnetic valve 1 controls the conduction of the compressed air pipeline 3 for closing the door, and the air cylinder 7 slides downwards through the air cylinder connecting rod to drive the safety door 2 to descend and close. The cylinder 7 is provided with an upper limit photoelectric switch 5 and a lower limit photoelectric switch 6, and is used for detecting and feeding back the ascending and descending positions of the safety door.
Further, emergency exit operating system include infrared detection device, PLC controlling means be connected with infrared detection device, solenoid valve 1, last spacing photoelectric switch 5, lower spacing photoelectric switch 6 electricity respectively. When the infrared detection device detects that people or materials reach the position near the safety door, a door opening signal is sent to the PLC control device; the PLC control device controls the electromagnetic valve 1 to conduct the door opening compressed air pipeline 4 and the safety door 2 to ascend and open. When people or materials are far away from the position near the safety door, the infrared detection device sends a door closing signal to the PLC control device, the PLC control device controls the electromagnetic valve 1 to conduct the door closing compressed air pipeline 3, and the safety door 2 descends and is closed. Thus, the automatic control of the safety door lifting system controlled by the air cylinder is realized.
Further, emergency exit operating system include self-lock device, self-lock device after emergency exit 2 rises to upper limit, continuously switch on the compressed air pipeline 4 that opens the door, ensure that emergency exit 2 can not descend slowly because of self gravity.
As shown in fig. 2, is an electrical schematic diagram of an embodiment of the present invention. A circuit structure of a cylinder-controlled emergency gate lifting system, comprising: intermediate relay KA and ascending electromagnetic valve YV connected in parallel to 24V power supply1Descending electromagnetic valve YV2A KA normally open switch and KM are connected in series on a branch circuit between the intermediate relay KA and the 24V power supply2Normally closed switch, solenoid valve YV1KM is connected in series on a branch between the KM and a 24V power supply1Normally open switch, in descending electromagnetic valve YV2KM is connected in series on a branch between the KM and a 24V power supply2A normally open switch. This circuit structure has designed electrical control, has increased self-locking function, ensures that emergency exit operating system's control is accurate, safe.
When the door needs to be opened, KM1Normally open switch conducting and ascending electromagnetic valve YV1When the electricity is supplied to work, the safety door 2 begins to rise. When the safety door 2 rises to reach the upper limit, because the KA normally open switch and the KM are designed2Normally closed switch, branch of intermediate relay KA, ascending electromagnetic valve YV1Is connected with the intermediate relay KA in parallel to form a closed loop so as to ensure the ascending electromagnetic valve YV1The door opening compressed air pipeline 4 is continuously conducted after the continuous electrification, so that the safety door 2 is prevented from slowly falling due to the self gravity.
When the door needs to be closed, KM2Electromagnetic valve YV with normally open switch on and down2When the power is on, the safety door 2 begins to descend and close.
Finally, it is to be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (5)
1. An air cylinder controlled safety door lifting system, comprising: the safety door device comprises a cylinder (7), wherein the cylinder (7) is connected with a safety door (2) through a cylinder connecting rod, and the cylinder (7) is connected with an electromagnetic valve (1) through a door closing compressed air pipeline (3) and a door opening compressed air pipeline (4) respectively.
2. A cylinder controlled emergency gate lifting system according to claim 1, wherein the cylinder (7) is provided with an upper limit photoelectric switch (5) and a lower limit photoelectric switch (6).
3. The cylinder-controlled safety door lifting system according to claim 2, further comprising an infrared detection device and a PLC control device, wherein the PLC control device is electrically connected with the infrared detection device, the solenoid valve (1), the upper limit photoelectric switch (5) and the lower limit photoelectric switch (6) respectively.
4. The system of claim 1, further comprising a self-locking device.
5. A circuit structure of a cylinder-controlled emergency gate elevating system to which the cylinder-controlled emergency gate elevating system according to claim 4 is applied, comprising: intermediate relay KA and ascending electromagnetic valve YV connected in parallel to 24V power supply1Descending electromagnetic valve YV2A KA normally open switch and KM are connected in series on a branch circuit between the intermediate relay KA and the 24V power supply2Normally closed switch, solenoid valve YV1KM is connected in series on a branch between the KM and a 24V power supply1Normally open switch, in descending electromagnetic valve YV2KM is connected in series on a branch between the KM and a 24V power supply2A normally open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021817404.7U CN213510103U (en) | 2020-08-26 | 2020-08-26 | Safety door lifting system controlled by air cylinder and circuit structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021817404.7U CN213510103U (en) | 2020-08-26 | 2020-08-26 | Safety door lifting system controlled by air cylinder and circuit structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213510103U true CN213510103U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021817404.7U Active CN213510103U (en) | 2020-08-26 | 2020-08-26 | Safety door lifting system controlled by air cylinder and circuit structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213510103U (en) |
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2020
- 2020-08-26 CN CN202021817404.7U patent/CN213510103U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: DONGYING HUATAI FINE CHEMICALS Assignor: SHANDONG HUATAI PAPER Co.,Ltd. Contract record no.: X2022980012437 Denomination of utility model: A safety door lift system controlled by a cylinder and its circuit structure Granted publication date: 20210622 License type: Common License Record date: 20220817 |