CN114215912A - Automatic opening and closing type still kettle with safety interlocking device - Google Patents
Automatic opening and closing type still kettle with safety interlocking device Download PDFInfo
- Publication number
- CN114215912A CN114215912A CN202111499056.2A CN202111499056A CN114215912A CN 114215912 A CN114215912 A CN 114215912A CN 202111499056 A CN202111499056 A CN 202111499056A CN 114215912 A CN114215912 A CN 114215912A
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- CN
- China
- Prior art keywords
- kettle
- adjusting
- kettle cover
- cover
- kettle body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/16—Pivoted closures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Abstract
The invention relates to the technical field of closed pressure tank switch equipment, and discloses an automatic opening and closing type still kettle with a safety interlocking device, which comprises a kettle body, wherein the end part of the kettle body is rotatably connected with a kettle cover through a connecting piece, kettle teeth are arranged on the kettle cover along the circumferential direction of the kettle cover, the kettle teeth penetrate through a clamping interface arranged at the end part of the kettle body and then are positioned in an accommodating groove at the end part of the kettle body, an adjusting groove is arranged on the inner side of the end part of the kettle body along the circumferential direction of the kettle body, an adjusting piece for limiting the kettle teeth is arranged in the adjusting groove, an accommodating cavity is arranged on the moving path of the adjusting piece in the adjusting groove, and a position switch is arranged in the accommodating cavity; one side of the kettle cover is provided with a locking adjusting device for locking the kettle cover; the connecting piece, the position switch and the locking adjusting device are all connected with the PLC control box; according to the invention, the kettle cover can be automatically locked, the kettle cover is prevented from rotating in the working process or under the condition of incomplete pressure relief, the complicated process of manual bolt insertion is omitted, and the safety in the working process is ensured.
Description
Technical Field
The invention relates to the technical field of closed pressure tank switch equipment, in particular to an automatic opening and closing type still kettle with a safety interlocking device.
Background
The quick-opening pressure container is a container with a mutually-nested quick-sealing locking adjusting device between an end cover and a main body of an access passage, and common quick-opening pressure containers comprise an autoclave, a sterilizer and the like. The autoclave is widely applied to autoclaved curing of aerated bricks as a common pressure vessel, but has the characteristics of large volume, high temperature and high pressure and the like, so that once an accident occurs, serious casualties and losses are easily caused.
At present, the conventional safety interlocking device of the still kettle is a manual safety interlocking device, when the kettle cover is closed, the kettle cover is locked by a limiting plate for manually rotating a safety handle, and a bolt is inserted between kettle teeth to prevent the kettle cover from rotating. The safety handle is manually rotated after pressure relief is completed when the existing still kettle is opened, then the kettle cover is opened by the hand-operated speed reducer, if an operator forgets to insert the bolt, the kettle cover is not engaged in place, the kettle cover has the danger of flying explosion, and because the pressure gauge has an error, even if the pressure gauge displays zero, residual pressure is possibly generated in the kettle, the kettle cover is still opened at the moment, and great potential safety hazards are brought to the working personnel.
Disclosure of Invention
The invention aims to provide an automatic opening and closing type still kettle with a safety interlocking device, which can automatically lock a kettle cover, prevent the kettle cover from rotating in the working process or under the condition of incomplete pressure relief, simultaneously save the complicated process of manual bolt insertion and ensure the safety in the working process.
The invention provides the following technical scheme:
an automatic opening and closing type still kettle provided with a safety interlocking device comprises a kettle body, wherein the end part of the kettle body is rotatably connected with a kettle cover through a connecting piece, kettle teeth are arranged on the kettle cover along the circumferential direction of the kettle cover, the kettle teeth penetrate through a clamping port arranged at the end part of the kettle body and then are positioned in an accommodating groove at the end part of the kettle body, an adjusting groove is arranged at the inner side of the end part of the kettle body along the circumferential direction of the kettle body, an adjusting piece for limiting the kettle teeth is arranged in the adjusting groove, an accommodating cavity is arranged on the moving path of the adjusting piece in the adjusting groove, and a position switch is arranged in the accommodating cavity; one side of the kettle cover is provided with a locking adjusting device for locking the kettle cover; wherein the connecting piece, the position switch and the locking adjusting device are all connected with the PLC control box.
The adjusting piece comprises an adjusting block arranged in an adjusting groove, a guide post is arranged on one side of the adjusting groove, and the adjusting block is connected with the guide post in a sliding manner; the outer end of the guide post is sleeved with a buffer spring, and two ends of the buffer spring are respectively fixedly connected with the adjusting groove and the adjusting block.
The kettle cover on be provided with the inserted block, kettle body tip is provided with carries out spacing limiting plate to the inserted block, is provided with the U type groove that supplies the inserted block to pass on the limiting plate, U type groove top be provided with PLC control box connection pressure sensor.
The locking adjusting device comprises a speed reducing plate arranged on one side of the kettle cover and an electric speed reducer correspondingly arranged on one side of the end part of the kettle body, wherein a driving gear is arranged on the electric speed reducer, and a rack meshed with the driving gear is arranged on the speed reducing plate.
The connecting piece comprises a fixed seat arranged above the end part of the kettle body, a connecting plate is hinged on the fixed seat, the connecting plate is connected with an oscillating rod, a hydraulic device is connected on the oscillating rod, and the hydraulic device is hinged with a hinged seat arranged above the kettle body; one end of the oscillating rod far away from the fixed seat is movably connected with the kettle cover through a bearing.
Cauldron body both ends all be provided with the support end seat, wherein articulated seat sets up on the support end seat that is located the front end.
The top end of the swinging rod is provided with a balancing weight.
Compared with the prior art, the invention has the beneficial effects that: the invention can move the adjusting block to the end part of the kettle body in the process of gradually increasing the internal pressure by installing the adjusting block, and the adjusting block is clamped in the kettle tooth gap between the kettle cover and the kettle body, thereby preventing the kettle cover from rotating in the working process or under the condition of incomplete pressure relief, simultaneously saving the process of manual bolt insertion, ensuring the safety in the working process and avoiding the occurrence of safety accidents.
Furthermore, due to the arrangement of the adjusting part, when the pressure in the kettle body is too high and the error of the pressure gauge cannot be accurately detected, the adjusting part can push the position switch under the action of the pressure in the kettle body, and the PLC control box can prompt a worker when detecting that the position switch is triggered and automatically stop steam inlet of the steam inlet valve, so that potential safety hazards are prevented; when the hidden trouble is eliminated, the adjusting block returns, and the position switch resets; the safety is high.
Furthermore, the arrangement of the locking adjusting device can adjust the kettle cover to lock the kettle cover and the kettle body; the limiting plate, the insert block and the pressure sensor are arranged, the insert block can be rotated into the limiting plate after the electric speed reducer drives the kettle cover to rotate in place, the pressure sensor arranged above the limiting plate is pressed, when the sensor detects that the insert block is in place, the pressure inlet valve can be opened through the PLC control box, and the situation that the kettle cover is not in place and the steam inlet valve can enter steam can not occur; through the setting of PLC control box, can promote degree of automation, reduce artificial participation, improve factor of safety.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an end view of a portion of the vessel of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a half-sectional view of the present invention;
FIG. 6 is an enlarged view of a portion of A in FIG. 5;
fig. 7 is a partially enlarged view of B in fig. 6.
Detailed Description
The invention will now be described more fully hereinafter with reference to the accompanying drawings and examples in which:
as shown in fig. 1 to 7, the automatic opening and closing still kettle with the safety interlock device comprises a kettle body 1, wherein the end part of the kettle body 1 is rotatably connected with a kettle cover 3 through a connecting piece, and the connecting piece is used for controlling the kettle cover 3 to seal an opening at the front end of the kettle body 1; preferably, the connecting piece comprises a fixed seat 61 arranged above the front end of the kettle body 1, a connecting plate 62 is hinged on the fixed seat 61, the connecting plate 62 is fixedly connected with the swinging rod 6, a hydraulic device 4 is hinged on the swinging rod 6, and the hydraulic device 4 is hinged with a hinge seat 41 arranged above the kettle body 1; the hydraulic device 4 is used for controlling the oscillating rod 6 to drive the kettle cover 3 to be separated from the front end of the kettle body 1 so as to achieve the purpose of opening the opening at the front end of the kettle body 1, wherein the hydraulic device 4 preferably adopts a hydraulic cylinder, the telescopic end at the front end of the hydraulic cylinder is hinged with the oscillating rod 6, and the rear end of the hydraulic cylinder is hinged with the hinge base 41; in addition, the front end and the rear end of the kettle body 1 are both provided with supporting end seats 2, wherein the hinged seat 41 is arranged on the supporting end seat 2 positioned at the front end; the supporting end seat 2 is used for supporting the kettle body 1 so as to improve the practical performance of the kettle; one end of the oscillating rod 6, which is far away from the fixed seat 61, is movably connected with the kettle cover 3 through a bearing, so that the kettle cover 3 can rotate relative to the oscillating rod 6, and the operation of positioning and locking the kettle cover 3 is facilitated during use; the top end of the oscillating rod 6 is provided with a balancing weight 5, and the arrangement of the balancing weight 5 can increase the balancing weight at the end part of the oscillating rod 6 when the kettle cover 3 is opened, so that the kettle cover 3 is prevented from falling; when kettle cover 3 was closed, played the pressfitting effect to kettle cover 3 and further promoted the closed back of kettle cover 3 and the leakproofness of the cauldron body 1, avoided breaking away from of kettle cover 3 and cauldron body 1.
The kettle cover 3 is provided with kettle teeth 31 along the circumferential direction, the kettle teeth 31 pass through a clamping interface 32 arranged at the front end part of the kettle body 1 and then are positioned in an accommodating groove 33 at the end part of the kettle body 1, the kettle teeth 31 can be movably positioned in the accommodating groove 33 along with the rotation of the kettle cover 3, the inner side of the end part of the kettle body 1 is provided with a plurality of adjusting grooves 131 along the circumferential direction, each adjusting groove 131 is internally provided with an adjusting piece for limiting the kettle teeth 31, preferably, the adjusting piece comprises an adjusting block 13 arranged in the adjusting groove 131, wherein the adjusting block 13 is in sliding contact with the adjusting groove 131, so that the adjusting block 13 can move to the position between two adjacent kettle teeth 31 along the adjusting groove 131 along with the increase of the pressure in the kettle body 1, the kettle cover 3 is convenient to be limited, the kettle cover 3 is prevented from rotating, and meanwhile, the kettle cover can also retract to the original position along with the decrease of the pressure in the kettle body 1; a guide post 14 is arranged on one side of the adjusting groove 131, the adjusting block 13 is connected with the guide post 14 in a sliding manner, and the guide post 14 can provide a guide effect for the movement of the adjusting block 13; wherein the outer pot head of guide post 14 is equipped with buffer spring 15 that is in initial condition, and buffer spring 15's both ends respectively with adjustment tank 131 and regulating block 13 fixed connection, and buffer spring 15's setting can assist adjustment tank 131 to reset. An accommodating cavity is arranged on the moving path of the adjusting block 13 in the adjusting groove 131, a position switch 16 is arranged in the accommodating cavity, and the position switch 16 is connected with the PLC control box 7; the position switch 16 is arranged to facilitate the adjusting block 13 to trigger when moving, so as to transmit the relevant signal to the PLC control box 7, the PLC control box 7 sends out a corresponding operation instruction to ensure the safety of the working process, and the PLC control box 7 is arranged at one side of the kettle body 1; wherein, the toggle part of the position switch 16 is exposed out of the accommodating cavity and is positioned on the moving path of the adjusting block 13, so that the adjusting block 13 can be triggered or closed along with the movement of the adjusting block, and the aim of timely transmitting a signal to the PLC control box 7 is fulfilled.
A locking and adjusting device for locking the kettle cover 3 is arranged on one side of the kettle cover 3, and the locking and adjusting device is used for adjusting the kettle cover 3 so that the kettle teeth 31 on the kettle cover 3 can rotate to a position deviated from the clamping interface 32, thereby achieving the purpose of positioning and locking the kettle cover 3, preventing the kettle cover 3 from moving out of the clamping interface 32 under the action of pressure, and improving the safety during working; preferably, the locking adjusting device comprises a speed reducing plate 9 arranged on one side of the kettle cover 3 and an electric speed reducer 8 correspondingly arranged on one side of the end part of the kettle body 1, a driving gear is arranged on the electric speed reducer 8, a rack meshed with the driving gear is arranged on the speed reducing plate 9, and the kettle cover 3 can be driven to rotate by controlling the electric speed reducer 8 to rotate, so that the purpose of adjusting the kettle cover 3 is achieved, and the kettle teeth 31 are ensured to move to the position deviated from the clamping interface 32; in the invention, the connecting piece, the position switch 16 and the locking adjusting device are all connected with the PLC control box 7, so that the automation degree is improved, the manual participation is reduced, and the safety factor is improved; since the PLC is a conventional technology, detailed descriptions of specific connection modes of the components are omitted here.
In the invention, an insert block 11 is also arranged on one side of the kettle cover 3 opposite to the speed reducing plate 9, a limiting plate 10 for limiting the insert block 11 is arranged at the end part of the kettle body 1, a U-shaped groove for the insert block 11 to pass through is arranged on the limiting plate 10, and a U-shaped opening of the U-shaped groove is arranged towards the speed reducing plate 9, so that the insert block 11 is positioned in the U-shaped groove along with the movement of the kettle cover 3; u type groove top is provided with and is connected pressure sensor 12 with PLC control box 7, and pressure sensor 12 can be when accepting the pressure of inserted block 11 with signal transmission to PLC control box 7 department, sends corresponding instruction according to the signal received by PLC control box 7 and carries out corresponding operation.
The working principle of the invention is as follows: open switch, power indicator is bright, PLC control system puts into use, when still kettle is closed to needs, 7 control hydraulic means of PLC control box 4 make kettle cover 3 be close to the cauldron body 1, 3 teeth of kettle cover enter into holding tank 33 back hydraulic means 4 stop work through joint interface 32, rack on the reduction gear 9 meshes with electric speed reducer 8's gear this moment, electric speed reducer 8 drives reduction gear 9 and rotates, thereby drive kettle cover 3 and rotate, after insert block 11 rotates corresponding position when pressure sensor 12 senses, electric speed reducer 8 stall, the circular telegram of admission solenoid valve is opened, still kettle this moment just can supply vapour to step up and begin normal work. Along with the pressure in the still kettle gradually increases, the adjusting block 13 gradually moves in the adjusting groove 131 and is clamped between the teeth of the kettle cover 3, so that the kettle cover 3 is prevented from rotating. When the pressure in the still kettle exceeds a preset threshold value, if no error occurs in the pressure gauge at the moment, the PLC control box 7 detects the numerical value of the pressure gauge, so that the steam inlet electromagnetic valve stops working and gives an alarm to warn an operator to check. If the pressure in the still kettle is continuously increased due to the error of the pressure gauge, the adjusting block 13 continuously extends to push the position switch 16, the position switch 16 is connected to the PLC control box 7 and gives an alarm to stop steam admission, the steam pressure in the kettle body 1 is reduced after the detection is finished, the adjusting block 13 returns, the position switch 16 resets, and the steam admission electromagnetic valve starts to work again at the moment.
When one working process of the still kettle is finished and the kettle cover 3 needs to be opened, the PLC control system opens the steam exhaust valve to exhaust steam and reduce pressure until the pressure in the still kettle is reduced to zero pressure. Along with the reduction of the steam pressure in the kettle body 1, the adjusting block 13 completely backs to the kettle body 1 under the action of the buffer spring 15, the electric speed reducer 8 rotates to drive the kettle cover 3 to rotate, if the steam pressure in the kettle body 1 does not drop to zero pressure, the adjusting block 13 cannot completely return, and the electric speed reducer 8 cannot drive the kettle cover 3 to rotate, so that the kettle cover 3 cannot be opened. After the kettle cover 3 is rotated and reset, the hydraulic device 4 works to open the kettle cover 3, and the work flow of the still kettle is finished.
Claims (7)
1. The utility model provides a be equipped with safety interlock's automatic formula of opening and close and evaporate cauldron, includes the cauldron body, cauldron body tip rotates through the connecting piece and is connected with the kettle cover, is provided with the cauldron tooth along its circumferencial direction on the kettle cover, and the cauldron tooth passes to be located the holding tank of cauldron body tip behind the joint mouth of setting at cauldron body tip, its characterized in that: an adjusting groove is formed in the inner side of the end part of the kettle body along the circumferential direction of the kettle body, an adjusting piece for limiting kettle teeth is arranged in the adjusting groove, an accommodating cavity is formed in the adjusting groove on the moving path of the adjusting piece, and a position switch is arranged in the accommodating cavity; one side of the kettle cover is provided with a locking adjusting device for locking the kettle cover; wherein the connecting piece, the position switch and the locking adjusting device are all connected with the PLC control box.
2. The automatic start-stop still kettle equipped with the safety interlock device according to claim 1, wherein: the adjusting piece comprises an adjusting block arranged in an adjusting groove, a guide post is arranged on one side of the adjusting groove, and the adjusting block is connected with the guide post in a sliding manner; the outer end of the guide post is sleeved with a buffer spring, and two ends of the buffer spring are respectively fixedly connected with the adjusting groove and the adjusting block.
3. The automatic start-stop still kettle equipped with the safety interlock device according to claim 1, wherein: the kettle cover on be provided with the inserted block, kettle body tip is provided with carries out spacing limiting plate to the inserted block, is provided with the U type groove that supplies the inserted block to pass on the limiting plate, U type groove top be provided with PLC control box connection pressure sensor.
4. The automatic start-stop still kettle equipped with the safety interlock device according to claim 1, wherein: the locking adjusting device comprises a speed reducing plate arranged on one side of the kettle cover and an electric speed reducer correspondingly arranged on one side of the end part of the kettle body, wherein a driving gear is arranged on the electric speed reducer, and a rack meshed with the driving gear is arranged on the speed reducing plate.
5. The automatic start-stop still kettle equipped with the safety interlock device according to claim 1, wherein: the connecting piece comprises a fixed seat arranged above the end part of the kettle body, a connecting plate is hinged on the fixed seat, the connecting plate is connected with an oscillating rod, a hydraulic device is connected on the oscillating rod, and the hydraulic device is hinged with a hinged seat arranged above the kettle body; one end of the oscillating rod far away from the fixed seat is movably connected with the kettle cover through a bearing.
6. The automatic start-stop still kettle equipped with the safety interlock device according to claim 5, wherein: cauldron body both ends all be provided with the support end seat, wherein articulated seat sets up on the support end seat that is located the front end.
7. The automatic start-stop still kettle equipped with the safety interlock device according to claim 6, wherein: the top end of the swinging rod is provided with a balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499056.2A CN114215912A (en) | 2021-12-09 | 2021-12-09 | Automatic opening and closing type still kettle with safety interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499056.2A CN114215912A (en) | 2021-12-09 | 2021-12-09 | Automatic opening and closing type still kettle with safety interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114215912A true CN114215912A (en) | 2022-03-22 |
Family
ID=80700530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111499056.2A Withdrawn CN114215912A (en) | 2021-12-09 | 2021-12-09 | Automatic opening and closing type still kettle with safety interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114215912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117899748A (en) * | 2024-03-18 | 2024-04-19 | 陕西大荔秦悦新型建材有限公司 | High-pressure kettle |
-
2021
- 2021-12-09 CN CN202111499056.2A patent/CN114215912A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117899748A (en) * | 2024-03-18 | 2024-04-19 | 陕西大荔秦悦新型建材有限公司 | High-pressure kettle |
| CN117899748B (en) * | 2024-03-18 | 2024-05-28 | 陕西大荔秦悦新型建材有限公司 | High-pressure kettle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220322 |
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| WW01 | Invention patent application withdrawn after publication |