Interlocking protection device of still kettle

By controlling the up-and-down movement of the autoclave door through a mechanical device, the safety hazard of steam ejection in traditional autoclave operation is solved, enabling remote operation of the door and improving safety.

CN223749905UActive Publication Date: 2026-01-02BAIYIN SPECIAL EQUIPMENT INSPECTION INSTITUTE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520266473.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-02
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Traditional autoclave mechanical interlock devices rely on the physical engagement of the limit plate and the safety handle, requiring operators to manually operate the unlocking handle at close range. If the residual pressure inside the autoclave is not completely released, steam can easily be ejected instantly, causing burns.

Method used

The up-and-down movement of the vessel door is controlled by a mechanical device. Through the cooperation of an electric telescopic rod, forward and reverse motors, and a screw, the vessel door can be operated remotely, avoiding close contact by the operator. Combined with the design of limit plates and compression springs, safety is ensured.

Benefits of technology

The system eliminates the need for operators to work close to the vessel door, avoiding steam burns and improving equipment safety and operational reliability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223749905U_ABST
    Figure CN223749905U_ABST
Patent Text Reader

Abstract

The utility model discloses a still kettle interlocking protection device which comprises a still kettle body, the bottom of the still kettle body is fixedly connected with a base, the front side of the top of the base is fixedly connected with a portal frame, the inner wall of the portal frame is slidably connected with a moving table, and the bottom of the moving table is fixedly connected with a vertical plate. The controller controls the electric telescopic rod to contract to drive the kettle door to be far away from the still kettle body, then the forward and reverse motor is controlled to be started to rotate forwards to drive the screw rod to rotate forwards, when the screw rod rotates forwards, the screw block is driven to move upwards, and the screw block moves upwards to drive the movable table to slide upwards in the portal frame. The movable table moves upwards to drive the vertical plate and the kettle door to move upwards, so that the still kettle body is completely opened, the kettle door is controlled by using a mechanical device, an operator does not need to carry out close-range operation near the kettle door, the situation of steam scalding when the kettle door is opened is avoided, and the safety effect of equipment is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steam pressure still, concretely to a steam pressure still interlock protection device. BACKGROUND

[0002] The steam pressure still is also called steam curing still, pressure still, and is a large pressure vessel with large volume and heavy weight. The steam pressure still is widely used, and is applied to the steam curing of aerated concrete block, concrete pipe pile, sand lime brick, coal ash brick, microporous calcium silicate board, new light wall material, insulation asbestos board, high strength gypsum and other building materials, and the hydrothermal reaction of Cao-SiO2-H2O is completed in the still. The steam pressure still is also widely applied to the production of rubber products, wood drying and corrosion treatment, heavy metal smelting, refractory brick oil and coal penetration, glass steam curing, chemical fiber high pressure treatment, food canning high temperature and high pressure treatment, paper pulp cooking, cable vulcanization, fishing net shaping, and the production processes of chemical industry, medicine, aerospace industry, insulation material, spinning, military industry and other production projects requiring pressure steam curing.

[0003] The steam pressure still is a quick opening door type pressure vessel, and the safety of the interlock device is directly related to the personal safety of the operator. However, the traditional mechanical interlock device relies on the physical engagement of the limiting plate and the safety handle, and the operator needs to manually pull the unlocking handle at close range. If the residual pressure in the still is not completely released, forced operation may cause steam to be sprayed out instantly, causing serious scalding.

[0004] Therefore, it is necessary to transform it by setting the still door to move up and down on the front face of the steam pressure still, using a mechanical device to control the still door, without the need for the operator to operate at close range near the still door, avoiding the situation of steam scalding when opening the still door, and improving the safety effect of the equipment. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the background art, the utility model aims to provide a steam pressure still interlock protection device, which has the advantages of setting the still door to move up and down on the front face of the steam pressure still, using a mechanical device to control the still door, without the need for the operator to operate at close range near the still door, avoiding the situation of steam scalding when opening the still door, and improving the safety effect of the equipment, solving the problems of the traditional mechanical interlock device relying on the physical engagement of the limiting plate and the safety handle, the operator needing to manually pull the unlocking handle at close range, and forced operation easily causing steam to be sprayed out instantly, causing serious scalding.

[0006] To achieve the above object, the utility model provides following technical scheme: a kind of autoclave interlock protection device, the bottom of the autoclave body is fixedly connected with pedestal, the front side of the top of pedestal is fixedly connected with portal frame, the inner wall of portal frame is slidably connected with mobile station, the bottom of mobile station is fixedly connected with vertical plate, the four corners of the back of vertical plate are fixedly connected with electric telescopic rod, the rear end of electric telescopic rod is fixedly connected with kettle door, the back of kettle door is provided with temperature insulation layer, the top of kettle door is slidably connected with the bottom of mobile station, the back of kettle door is attached with the front of autoclave body, the top of portal frame is fixedly connected with positive and negative motor, the output of positive and negative motor is fixedly connected with screw rod and is penetrated to the inside of portal frame, the surface of mobile station is provided with upper and lower penetrating square groove, and the inside of square groove is fixedly connected with screw block, the surface of screw rod is threadedly connected with the inner wall of screw block, the back of vertical plate is slidably connected with stabilizing plate, the bottom end of screw rod is rotatably connected with the top of stabilizing plate, the bottom of screw block is attached with the top of stabilizing plate, the front side of the top of autoclave body is communicated with electromagnetic pressure relief valve, the back side of the top of autoclave body is communicated with pressure gauge.

[0007] As preferred by the utility model, the top of the autoclave body is fixedly connected with horizontal plate, the top of the horizontal plate is slidably connected with limit clamping plate, the left and right sides of the back of the limit clamping plate are fixedly connected with compression spring, the rear end of the compression spring is fixedly connected with the front of the limit clamping plate, the front side of the bottom of the limit clamping plate is attached with the top of the mobile station.

[0008] As preferred by the utility model, the back of the portal frame is fixedly connected with inclined rod on the left and right sides, the bottom end of the inclined rod is fixedly connected with the top of the pedestal, the front of the inclined rod is fixedly connected with horizontal rod, and the front end of the horizontal rod is fixedly connected with the back of the portal frame.

[0009] As preferred by the utility model, the left and right sides of the top of the kettle door are fixedly connected with T-shaped block, the left and right sides of the bottom of the mobile station are provided with T-shaped groove for use with T-shaped block, and the surface of the T-shaped block is slidably connected with the inner wall of the T-shaped groove.

[0010] As preferred by the utility model, the left and right sides of the top of the portal frame are provided with upper and lower penetrating through hole, and the inside of the through hole is slidably connected with stabilizing rod, and the bottom end of the stabilizing rod is fixedly connected with the top of the mobile station.

[0011] As preferred by the utility model, the back of the kettle door is fixedly connected with sealing ring, the front of the autoclave body is provided with sealing groove, and the surface of the sealing ring is attached with the inner wall of the sealing groove.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a through setting gantry at the front side of the autoclave body, closing the autoclave body through the door, when the autoclave body needs to be opened after the steaming and pressing are completed, the electromagnetic pressure relief valve is started through the controller, the pressure in the autoclave body is discharged, then the pressure gauge is observed, after the pressure in the autoclave body is zero, the limiting clamping plate is pushed back to make it away from the moving table, the limiting of the moving table is released, the electric telescopic rod is retracted through the controller, the door is driven away from the autoclave body, then the forward and reverse motor is controlled to make it forward rotation, the screw rod is driven to forward rotation, the screw rod is connected with the screw block through the thread, when the screw rod is driven to forward rotation, the screw block is driven to move up, the screw block moves up and drives the moving table to slide up in the gantry, the moving table moves up and drives the vertical plate and the door to move up, the position of the stabilizing plate does not change, the screw rod is stably supported, until the moving table moves to the top in the gantry, the autoclave body is completely opened, vice versa, the autoclave body can be closed through the above operation, so that the door is controlled through the mechanical device, the operator does not need to operate close to the door, the situation that the operator is scalded by steam when opening the door is avoided, and the safety of the equipment is improved.

[0014] 2. The utility model discloses a through setting the horizontal plate, limiting clamping plate and compression spring, the limiting clamping plate can slide on the surface of the horizontal plate, when the autoclave body is closed, the limiting clamping plate is pressed by the compression spring, the bottom of the limiting clamping plate contacts with the top of the moving table, the moving table is fixed and limited, the situation that the moving table is lifted by mistake and steam is leaked and causes the safety accident is avoided. ACCREDITATION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0017] Figure 3 It is the left view sectional structure schematic diagram of the utility model;

[0018] Figure 4 It is the right view structure schematic diagram of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the utility model Figure 3 A of the utility model.

[0020] In the drawing: 1, autoclave body; 2, base; 3, gantry; 4, moving table; 5, vertical plate; 6, electric telescopic rod; 7, door; 8, forward and reverse motor; 9, screw rod; 10, screw block; 11, stabilizing plate; 12, horizontal plate; 13, limiting clamping plate; 14, compression spring; 15, inclined rod; 16, cross bar; 17, T-shaped block; 18, T-shaped slot; 19, stabilizing rod; 20, sealing ring; 21, sealing groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 5 As shown, this utility model provides an interlocking protection device for an autoclave, including an autoclave body 1. A base 2 is fixedly connected to the bottom of the autoclave body 1. A gantry frame 3 is fixedly connected to the front side of the top of the base 2. A moving platform 4 is slidably connected to the inner wall of the gantry frame 3. A vertical plate 5 is fixedly connected to the bottom of the moving platform 4. Electric telescopic rods 6 are fixedly connected to the four corners of the back of the vertical plate 5. An autoclave door 7 is fixedly connected to the rear end of the electric telescopic rods 6. A heat insulation layer is provided on the back of the autoclave door 7. The top of the autoclave door 7 is slidably connected to the bottom of the moving platform 4. The back of the autoclave door 7 is in contact with the front of the autoclave body 1. A forward and reverse motor 8 is fixedly connected to the top of the gantry 3. The output end of the forward and reverse motor 8 passes through the interior of the gantry 3 and is fixedly connected to a screw 9. A square groove with vertical penetration is opened on the surface of the moving table 4, and a screw block 10 is fixedly connected inside the square groove. The surface of the screw 9 is threadedly connected to the inner wall of the screw block 10. A stabilizing plate 11 is slidably connected to the back of the vertical plate 5. The bottom end of the screw 9 is rotatably connected to the top of the stabilizing plate 11. The bottom of the screw block 10 is in contact with the top of the stabilizing plate 11. The front side of the top of the autoclave body 1 is connected to an electromagnetic pressure relief valve, and the rear side of the top of the autoclave body 1 is connected to a pressure gauge.

[0023] refer to Figure 2 A horizontal plate 12 is fixedly connected to the top of the autoclave body 1. A limit plate 13 is slidably connected to the top of the horizontal plate 12. Compression springs 14 are fixedly connected to the left and right sides of the back of the limit plate 13. The rear end of the compression spring 14 is fixedly connected to the front of the limit plate 13. The front side of the bottom of the limit plate 13 is in contact with the top of the moving table 4.

[0024] As a technical optimization of this utility model, by setting up the horizontal plate 12, the limiting plate 13 and the compression spring 14 in cooperation, the limiting plate 13 can slide back and forth on the surface of the horizontal plate 12. When the autoclave body 1 is closed, the limiting plate 13 is pressed by the compression spring 14 and its bottom contacts the top of the moving platform 4, thereby limiting and fixing the moving platform 4 and avoiding the situation where the moving platform 4 rises due to accidental activation of the controller, resulting in steam leakage and causing a safety accident.

[0025] refer to Figure 1The left and right sides of the back of the portal frame 3 are fixedly connected with inclined rods 15, the bottom ends of the inclined rods 15 are fixedly connected with the top of the base 2, the front ends of the inclined rods 15 are fixedly connected with the back of the portal frame 3.

[0026] As a technical optimization scheme of the utility model, the cooperation of the inclined rods 15 and the horizontal rods 16 plays a supporting and reinforcing role on the portal frame 3, avoids the inclination and shaking of the portal frame 3 during the use of the device, causes the sealing effect of the kettle door 7 on the autoclave body 1 to be not tight, and influences normal use.

[0027] Reference Figure 5 The left and right sides of the top of the kettle door 7 are fixedly connected with T-shaped blocks 17, the left and right sides of the bottom of the moving table 4 are provided with T-shaped grooves 18 for cooperation with the T-shaped blocks 17, and the surface of the T-shaped block 17 is slidably connected with the inner wall of the T-shaped groove 18.

[0028] As a technical optimization scheme of the utility model, when the kettle door 7 is moved forward and backward under the traction of the electric telescopic rod 6 at the bottom of the moving table 4, the T-shaped block 17 slides forward and backward in the T-shaped groove 18, which plays a lifting and reinforcing effect on the kettle door 7, makes the kettle door 7 more smooth during movement, and avoids the shaking and falling of the kettle door 7 during movement, which influences normal use.

[0029] Reference Figure 1 The left and right sides of the top of the portal frame 3 are provided with through holes penetrating upward and downward, and the inside of the through hole is slidably connected with a stabilizing rod 19, and the bottom end of the stabilizing rod 19 is fixedly connected with the top of the moving table 4.

[0030] As a technical optimization scheme of the utility model, when the moving table 4 moves upward and downward, the stabilizing rod 19 slides in the through hole, which plays a reinforcing and stabilizing effect on the moving table 4, avoids the inclination and shaking of the left and right sides of the moving table 4 during movement, causes the kettle door 7 to fail to normally align with the autoclave body 1, and influences normal use.

[0031] Reference Figure 5 The back of the kettle door 7 is fixedly connected with a sealing ring 20, and the front of the autoclave body 1 is provided with a sealing groove 21, and the surface of the sealing ring 20 is attached to the inner wall of the sealing groove 21.

[0032] As a technical optimization scheme of the utility model, when the kettle door 7 is closed, the sealing ring 20 enters the inside of the sealing groove 21, which further improves the sealing effect of the gap between the contact surface of the kettle door 7 and the autoclave body 1, avoids the leakage of steam from the gap during use, and influences use.

[0033] The controller in the embodiment is a collection of each execution component control part, which belongs to the prior art.

[0034] The working principle and use process of the utility model are as follows: the portal frame 3 is arranged at the front side of the autoclave body 1, the autoclave body 1 is closed through the door 7, when the autoclave body 1 needs to be opened after the steaming and pressing are completed, the electromagnetic pressure relief valve is started through the controller, the internal pressure of the autoclave body is discharged, then the pressure gauge is observed, after the internal pressure of the autoclave body is zero, the limiting clamping plate 13 is pushed backward to make it away from the moving table 4, the limiting of the moving table 4 is released, the electric telescopic rod 6 is retracted through the controller, the door 7 is driven away from the autoclave body 1, then the forward and reverse motor 8 is started to make it forward rotation, the screw rod 9 is driven to forward rotation, the screw block 10 is driven to move upward when the screw rod 9 is forward rotated, the moving table 4 is driven to slide upward in the portal frame 3, the moving table 4 is driven to move upward, the vertical plate 5 and the door 7 are driven to move upward, the position of the stabilizing plate 11 is unchanged, the screw rod 9 is stably supported, until the moving table 4 moves to the uppermost position in the portal frame 3, the autoclave body 1 is completely opened, the autoclave body 1 is closed through the above operation, so that the door 7 is controlled by the mechanical device, the operator does not need to operate close to the door 7, the situation that the operator is scalded by steam when the door 7 is opened is avoided, and the safety effect of the equipment is improved.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An autoclave interlock protection device comprising an autoclave body (1), characterized in that: The bottom of the autoclave body (1) is fixedly connected with a base (2), the front side of the top of the base (2) is fixedly connected with a gantry (3), the inner wall of the gantry (3) is slidably connected with a moving table (4), the bottom of the moving table (4) is fixedly connected with a vertical plate (5), the back of the vertical plate (5) is fixedly connected with an electric telescopic rod (6) at four corners, the rear end of the electric telescopic rod (6) is fixedly connected with a kettle door (7), the top of the kettle door (7) is slidably connected with the bottom of the moving table (4), the back of the kettle door (7) is attached to the front of the autoclave body (1), the top of the gantry (3) is fixedly connected with a forward and reverse motor (8), the output end of the forward and reverse motor (8) penetrates into the interior of the gantry (3) and is fixedly connected with a screw rod (9), the surface of the moving table (4) is provided with an up-and-down penetrating square groove, and the interior of the square groove is fixedly connected with a screw block (10), the surface of the screw rod (9) is threadedly connected with the inner wall of the screw block (10), the back of the vertical plate (5) is slidably connected with a stabilizing plate (11), the bottom end of the screw rod (9) is rotatably connected with the top of the stabilizing plate (11), and the bottom of the screw block (10) is attached to the top of the stabilizing plate (11).

2. An autoclave interlock protection device according to claim 1, characterized in that: The top of the autoclave body (1) is fixedly connected with a horizontal plate (12), the top of the horizontal plate (12) is slidably connected with a limiting clamping plate (13), the left and right sides of the back of the limiting clamping plate (13) are fixedly connected with compression springs (14), the rear end of the compression spring (14) is fixedly connected with the front of the limiting clamping plate (13), and the front side of the bottom of the limiting clamping plate (13) is attached to the top of the moving table (4).

3. An autoclave interlock protection device according to claim 1, wherein: The left and right sides of the back of the gantry (3) are fixedly connected with inclined rods (15), the bottom end of the inclined rod (15) is fixedly connected with the top of the base (2), and the front of the inclined rod (15) is fixedly connected with a horizontal rod (16), and the front end of the horizontal rod (16) is fixedly connected with the back of the gantry (3).

4. An autoclave interlock protection device according to claim 1, wherein: The left and right sides of the top of the kettle door (7) are fixedly connected with T-shaped blocks (17), the left and right sides of the bottom of the moving table (4) are provided with T-shaped grooves (18) used in cooperation with the T-shaped blocks (17), and the surface of the T-shaped block (17) is slidably connected with the inner wall of the T-shaped groove (18).

5. An autoclave interlock protection device according to claim 1, wherein: The left and right sides of the top of the gantry (3) are provided with up-and-down penetrating through holes, and the interior of the through holes is slidably connected with stabilizing rods (19), and the bottom end of the stabilizing rod (19) is fixedly connected with the top of the moving table (4).

6. An autoclave interlock protection device according to claim 1, wherein: The back of the kettle door (7) is fixedly connected with a sealing ring (20), the front of the autoclave body (1) is provided with a sealing groove (21), and the surface of the sealing ring (20) is attached to the inner wall of the sealing groove (21).