A hopper rotary valve feedback device

Abstract

The utility model relates to feedback device technical field, concretely is a kind of hopper rotary valve feedback device, include: hopper rotary valve body, n-shaped support and positioning jacket;Wherein, the inside of hopper rotary valve body is equipped with valve stem;Wherein, the upper end of n-shaped support is provided with movable slot, both ends of movable slot are fixed with fixed plate, the inside of two fixed plates is equipped with proximity switch;Wherein, the positioning jacket is sleeved on the outer surface of one end of valve stem, and one end of positioning jacket is screwed with locking bolt, and the outer surface of positioning jacket is fixed with baffle.The utility model can effectively prevent travel switch from appearing internal mechanical structure loosening and wearing due to long-term exposure in vibration environment by accurately monitoring the switch position of rotary valve, and this measure not only can greatly reduce equipment maintenance frequency, but also can significantly enhance the operation stability and security of acetylene discharge rotary valve.

Description

Technical Field

[0001] This utility model relates to the field of feedback device technology, specifically a feedback device for a storage hopper rotary valve. Background Technology

[0002] As a key component of the acetylene generator unit, the rotary valve of the acetylene storage hopper is primarily responsible for the precise control of the discharge of acetylene solids after crushing. To ensure a smooth and unobstructed discharge process from the storage hopper, the rotary valve is equipped with a feedback device to monitor its opening status in real time.

[0003] The current monitoring methods mainly include the following two types:

[0004] (1) The switching position of the storage hopper rotary valve is fed back by a limit switch. Given the severe vibration in the operating environment of the storage hopper, the limit switch is exposed to high-intensity and high-frequency vibration and impact for a long time, and its internal mechanical structure is prone to loosening and wear. This situation directly leads to frequent problems such as poor contact and inaccurate signal transmission, which in turn seriously hinders the stable operation of the production system and safety monitoring.

[0005] (2) Arrange for inspection personnel to be on-site to observe the position of the storage hopper switch in real time. However, this approach forces inspection personnel to stay in the hazardous work area for a long time, significantly increasing the safety risks faced by personnel. To address this, we propose a feedback device for the storage hopper rotary valve. Utility Model Content

[0006] The purpose of this invention is to provide a feedback device for a storage hopper rotary valve, which has the advantages of good operational stability and safety, and solves the problems of the current monitoring methods.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a feedback device for a storage hopper rotary valve, comprising:

[0008] Storage hopper rotary valve body, n-shaped bracket and positioning jacket;

[0009] The inner side of the rotary valve body of the storage hopper is provided with a valve stem;

[0010] The upper end of the n-shaped bracket is provided with a movable groove, and both ends of the movable groove are fixed with fixing plates. A proximity switch is installed on the inner side of each of the two fixing plates.

[0011] The positioning sleeve is fitted onto the outer surface of one end of the valve stem, and a locking bolt is screwed onto one end of the positioning sleeve. A baffle is fixed to the outer surface of the positioning sleeve.

[0012] Preferably, it also includes a storage hopper and a U-shaped base, wherein an arc-shaped fixing block is fixed to the lower end of the outer surface of the storage hopper, and a supporting leg is fixed to the bottom of the arc-shaped fixing block.

[0013] Preferably, the rotary valve body of the storage hopper is installed at the bottom of the storage hopper body.

[0014] Preferably, a discharge pipe is installed at the bottom of the rotary valve body of the storage hopper.

[0015] Preferably, a support shaft is fixed to the upper end of the U-shaped seat, and an I-shaped positioning component is fixed to the outer surface of the support shaft.

[0016] Preferably, an I-shaped vibration-damping rubber sleeve is bonded to the outer surface of the I-shaped positioning component, and the I-shaped vibration-damping rubber sleeve is adapted to the lower end of the n-shaped bracket.

[0017] Preferably, a support rod is fixed to the bottom of the U-shaped seat, and a base plate is fixed to the bottom of the support rod.

[0018] Preferably, the bottom of the base plate is bonded with an anti-slip pad, and the thickness of the anti-slip pad is between one and three centimeters.

[0019] Preferably, a vibration damping pad is bonded to the inner side of the positioning sleeve.

[0020] Preferably, the movable groove has an n-shaped structure, and the baffle swings inside the movable groove.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] 1. By accurately monitoring the switching position of the rotary valve, this utility model can effectively prevent the limit switch from loosening and wearing of its internal mechanical structure due to long-term exposure to vibration. This measure can not only significantly reduce the number of equipment maintenance operations, but also significantly enhance the operational stability and safety of the acetylene feeding rotary valve.

[0023] 2. This utility model uses a non-contact proximity switch to replace the mechanical limit switch, which ensures long-term stability and accuracy of signal detection and greatly improves the reliability of the system.

[0024] 3. This utility model realizes remote, automatic, and non-contact monitoring of valve position status, eliminating the need for personnel to personally visit dangerous areas for manual confirmation, significantly reducing safety risks, and providing an accurate and reliable signal foundation for automated control and safety interlocking of the production process. Attached Figure Description

[0025] Figure 1 This is a first-view structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0027] Figure 3This is a schematic diagram of the cooperation structure between the rotary valve body and the storage hopper body of this utility model;

[0028] Figure 4 This is a schematic diagram of the U-shaped seat and structure of this utility model;

[0029] Figure 5 This is a schematic diagram of the I-shaped vibration isolation rubber sleeve structure of this utility model;

[0030] Figure 6 This is a schematic diagram of the n-shaped support structure of this utility model;

[0031] Figure 7 This is a schematic diagram of the positioning clip structure of this utility model.

[0032] In the diagram: 1. Storage hopper body; 101. Arc-shaped fixing block; 102. Support leg; 2. Storage hopper rotary valve body; 201. Valve stem; 3. Discharge pipe; 4. U-shaped seat; 401. Support rod; 402. Base plate; 403. Anti-slip pad; 404. I-shaped vibration isolation rubber sleeve; 405. Support shaft; 406. I-shaped positioning component; 5. N-shaped bracket; 501. Movable groove; 502. Fixing plate; 503. Proximity switch; 6. Positioning clamp; 601. Baffle; 602. Vibration isolation pad; 603. Locking bolt. Detailed Implementation

[0033] 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.

[0034] The components of this application, including the storage hopper body 1, arc-shaped fixing block 101, support leg 102, storage hopper rotary valve body 2, valve stem 201, discharge pipe 3, U-shaped seat 4, support rod 401, base plate 402, anti-slip pad 403, I-shaped vibration isolation rubber sleeve 404, support shaft 405, I-shaped positioning component 406, n-shaped bracket 5, movable groove 501, fixing plate 502, proximity switch 503, positioning clamp 6, baffle 601, vibration isolation pad 602, and locking bolt 603, are all general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0035] Example 1

[0036] Please see Figures 1-7 As shown, this utility model provides a technical solution: a feedback device for a storage hopper rotary valve, comprising:

[0037] Storage hopper rotary valve body 2, n-shaped bracket 5 and positioning jacket 6;

[0038] Among them, the inner side of the storage hopper rotary valve body 2 is provided with a valve stem 201;

[0039] Among them, the upper end of the n-shaped bracket 5 is provided with a movable groove 501, and both ends of the movable groove 501 are fixed with fixing plates 502, and the inner side of the two fixing plates 502 is equipped with a proximity switch 503.

[0040] The positioning sleeve 6 is fitted onto the outer surface of one end of the valve stem 201. A locking bolt 603 is screwed onto one end of the positioning sleeve 6, and a baffle 601 is fixed to the outer surface of the positioning sleeve 6.

[0041] The movable groove 501 has an n-shaped structure, and the baffle 601 swings within the movable groove 501.

[0042] This technical solution involves confirming that the system is powered off and completing the necessary safety lockout (LOTO) procedures to ensure operational safety, and checking that all components (n-shaped bracket 5, positioning sleeve 6, proximity switch 503) are intact.

[0043] During the linkage test, the valve position signal is interlocked with the process flow to ensure the correctness of the entire control logic. When the rotary valve body 2 of the storage hopper performs the opening or closing action, the valve stem 201 inside will rotate accordingly. This rotational motion is directly transmitted to the positioning sleeve 6 fitted on the end of the valve stem 201. The positioning sleeve 6, through the baffle 601 fixed on its outer surface, converts the rotational motion of the valve stem 201 into the swinging motion of the baffle 601 in a fixed plane. The upper end of the n-shaped bracket 5 is provided with a movable groove 501, and the end of the baffle 601 swings within the limited range of this groove. At each end of the movable groove 501, a proximity switch 503 is installed. When the rotary valve rotates to fully open or closed, a proximity switch 503 is installed. When fully closed, the swinging baffle 601 enters the effective sensing distance of the corresponding proximity switch 503. The proximity switch 503 detects the arrival of the baffle 601 but does not make physical contact, thus generating a switching signal. The electrical signals output by the two proximity switches 503 (usually passive dry contacts or active transistor signals) are transmitted to a remote control system (such as a PLC or DCS) via cable. The control system can accurately determine the real-time position of the hopper rotary valve based on whether the "closed" or "open" signal is valid, and perform process logic control, status display, or trigger safety interlock actions accordingly, thereby realizing the automation and safety monitoring of the entire feeding process.

[0044] It should be noted that the signal lines of the two proximity switches 503 should be led to the DI (digital input) module of the PLC or DCS system in the control room, power should be restored, and the valve position feedback signal should be observed on the control room screen.

[0045] Example 2

[0046] Based on Embodiment 1, this utility model is as follows: Figures 1-7 As shown, the invention also includes a storage hopper body 1 and a U-shaped seat 4. An arc-shaped fixing block 101 is fixed to the lower end of the outer surface of the storage hopper body 1, and a support leg 102 is fixed to the bottom of the arc-shaped fixing block 101. A storage hopper rotary valve body 2 is installed at the bottom of the storage hopper body 1, and a discharge pipe 3 is installed at the bottom of the storage hopper rotary valve body 2.

[0047] This technical solution ensures the stability of the storage hopper 1 by setting up the support leg 102, and ensures smooth material discharge from the storage hopper 1 by setting up the discharge pipe 3.

[0048] Example 3

[0049] Based on Embodiment 1, this utility model is as follows: Figures 1-7 As shown, a support shaft 405 is fixed to the upper end of the U-shaped seat 4, an I-shaped positioning part 406 is fixed to the outer surface of the support shaft 405, an I-shaped vibration isolation rubber sleeve 404 is bonded to the outer surface of the I-shaped positioning part 406, and the I-shaped vibration isolation rubber sleeve 404 is adapted to the lower end of the n-shaped bracket 5. A support rod 401 is fixed to the bottom of the U-shaped seat 4, a base plate 402 is fixed to the bottom of the support rod 401, and an anti-slip pad 403 is bonded to the bottom of the base plate 402, and the thickness of the anti-slip pad 403 is between one and three centimeters.

[0050] This technical solution involves selecting a location close to the valve stem 201 of the rotary valve body 2 in the storage hopper, facilitating wiring and maintenance. The base plate 402 is then securely fixed to the ground or a sturdy base using anchor bolts or other methods. A level is used to ensure the installation is level, and the anti-slip pad 403 at the bottom is confirmed to be in full contact with the mounting surface. Next, the U-shaped seat 4 is installed onto the base plate 402 via its bottom support rod 401 and tightened. The I-shaped vibration-damping rubber sleeve 404 is then fitted onto the I-shaped positioning piece 406, and the lower end of the n-shaped bracket 5 is fitted onto the I-shaped vibration-damping rubber sleeve 404, ensuring its stability. When placed stably and without shaking, the n-shaped bracket 5 should be in a "suspended" state, not in contact with the storage hopper body 1 or the storage hopper rotary valve body 2. The n-shaped bracket 5 is not in contact with the equipment body and is installed on an independent support base. The anti-slip pad 403 buffers ground vibration, thus avoiding direct impact from the main vibration source from the system architecture. The n-shaped bracket 5 is connected to the support base by an I-shaped vibration isolation rubber sleeve 404. This rubber sleeve can effectively absorb and attenuate the residual vibration transmitted through the support structure, protect the proximity switch 503 on it, and is conducive to the long-term use of this device.

[0051] Example 4

[0052] Based on Embodiment 1, this utility model is as follows: Figures 1-7As shown, a vibration isolation pad 602 is bonded to the inner side of the positioning sleeve 6.

[0053] This technical solution: The vibration isolation pad 602 inside the positioning jacket 6 buffers the high-frequency vibration transmitted from the valve stem 201, preventing the vibration from affecting the stability of the locking bolt 603 and protecting the baffle 601.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A feedback device for a storage hopper rotary valve, characterized in that, include: Storage hopper rotary valve body (2), n-shaped bracket (5) and positioning jacket (6); The inner side of the storage hopper rotary valve body (2) is provided with a valve stem (201); The n-shaped bracket (5) is provided with a movable groove (501) at its upper end. Both ends of the movable groove (501) are fixed with fixing plates (502). Proximity switches (503) are installed on the inner sides of both fixing plates (502). The positioning sleeve (6) is sleeved on the outer surface of one end of the valve stem (201), and a locking bolt (603) is screwed onto one end of the positioning sleeve (6). A baffle (601) is fixed on the outer surface of the positioning sleeve (6).

2. The feedback device for a storage hopper rotary valve according to claim 1, characterized in that: It also includes a storage hopper (1) and a U-shaped seat (4). An arc-shaped fixing block (101) is fixed to the lower end of the outer surface of the storage hopper (1), and a support leg (102) is fixed to the bottom of the arc-shaped fixing block (101).

3. The feedback device for a storage hopper rotary valve according to claim 2, characterized in that: The rotating valve body (2) of the storage hopper is installed at the bottom of the storage hopper body (1).

4. The feedback device for a storage hopper rotary valve according to claim 1, characterized in that: The bottom of the storage hopper rotary valve body (2) is equipped with a discharge pipe (3).

5. The feedback device for a storage hopper rotary valve according to claim 2, characterized in that: The upper end of the U-shaped seat (4) is fixed with a support shaft (405), and the outer surface of the support shaft (405) is fixed with an I-shaped positioning piece (406).

6. The feedback device for a storage hopper rotary valve according to claim 5, characterized in that: The outer surface of the I-shaped positioning component (406) is bonded with an I-shaped vibration isolation rubber sleeve (404), and the I-shaped vibration isolation rubber sleeve (404) is adapted to the lower end of the n-shaped bracket (5).

7. The feedback device for a storage hopper rotary valve according to claim 6, characterized in that: The bottom of the U-shaped seat (4) is fixed with a support rod (401), and the bottom of the support rod (401) is fixed with a base plate (402).

8. The feedback device for a storage hopper rotary valve according to claim 7, characterized in that: The bottom of the base plate (402) is bonded with an anti-slip pad (403), and the thickness of the anti-slip pad (403) is between one and three centimeters.

9. The feedback device for a storage hopper rotary valve according to claim 1, characterized in that: The inner side of the positioning sleeve (6) is bonded with a vibration damping pad (602).

10. The feedback device for a storage hopper rotary valve according to claim 1, characterized in that: The movable groove (501) has an n-shaped structure, and the baffle (601) swings within the movable groove (501).

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