CN209818865U

CN209818865U - Worm spring fault safety device mechanism

Info

Publication number: CN209818865U
Application number: CN201920467943.3U
Authority: CN
Inventors: 蒋通明; 鲍红旗; 林元文; 邱水; 蒋仁华
Original assignee: YANGZHOU HENGCHUN ELECTRONIC CO Ltd
Current assignee: YANGZHOU HENGCHUN ELECTRONIC CO Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-20
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a worm spring fail safe device mechanism, including motor, speed reduction transmission subassembly and energy storage subassembly, the speed reduction transmission subassembly is installed to the output shaft of motor, and the main shaft that is equipped with the driving gear is installed in the cooperation on the speed reduction transmission subassembly, installs the energy storage subassembly on the main shaft, the utility model provides a when the valve can't realize power failure among the prior art, the technical problem of automatically-driven valve.

Description

Worm spring fault safety device mechanism

Technical Field

The utility model relates to a valve control technical field especially relates to a spiral spring fail safe device mechanism.

Background

In recent years, the safety requirements for process automation have increased, and the system must also be safe for people and equipment during emergency operation of the valve. Therefore, the valve must be opened or closed in time in the emergency operation process to ensure that the tank area or the factory is in a safe state, and the existing valve is lack of a fault safety device and can be automatically driven to a full-open state or a full-closed state when the power failure cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral spring fail safe device mechanism solves current valve and when unable realization power failure, the technical problem of automatically driven valve.

A worm spring fail-safe device mechanism comprises a motor, a speed reduction transmission assembly and an energy storage assembly, wherein the speed reduction transmission assembly is installed on an output shaft of the motor, a main shaft provided with a driving gear is installed on the speed reduction transmission assembly in a matched mode, and the energy storage assembly is installed on the main shaft.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the speed reduction drive assembly comprises a speed reduction turbine, a speed reduction worm and a transmission worm, the speed reduction worm is installed on an output shaft of the motor, the speed reduction worm is installed in a matched mode with the speed reduction turbine, the speed reduction turbine is installed the transmission worm, the speed reduction control is carried out through the speed reduction drive assembly by the aid of the speed reduction drive assembly, the rotating speed of the main shaft is convenient to adjust, and accordingly the stability of opening of the valve is improved.

Further, the drive worm is engaged with the drive gear.

Furthermore, the energy storage component is a volute spring component, and the energy storage component has the beneficial effects that the model of the volute spring component is Q93F020 series, the valve is used for storing energy when being normally opened, and when power failure and power failure occur, the valve is driven to a fully-opened or fully-closed safety position by releasing the energy storage capacity of the volute spring component.

Further, the spindle deceleration locking device further comprises a solenoid valve assembly which is matched and connected with the spindle and used for deceleration locking of the spindle.

Further, the solenoid valve subassembly includes solenoid valve, reduction gear set and planetary drive mechanism, planetary drive mechanism installs on the main shaft, and planetary drive mechanism with reduction gear set meshes, the solenoid valve is used for locking reduction gear set adopts this step's beneficial effect to realize the function of speed reduction through reduction gear set and planetary drive mechanism, locks through the solenoid valve at last.

The utility model has the advantages that:

1. the utility model provides a volute spring fail safe device mechanism compares pneumatic executive and does not need the air supply, has the cable and lays the advantage that also can remotely lay easily.

2. The utility model discloses relative electro-hydraulic actuator has with low costs, maintains convenient advantage.

3. The utility model discloses compare electric capacity type electric actuator that resets has advantages such as ambient temperature application scope is broader, life is longer.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a worm-spring fail-safe device mechanism according to an embodiment of the present invention;

fig. 2 is a schematic axial side view of a worm-spring fail-safe mechanism according to an embodiment of the present invention;

reference numerals:

1-a motor; 2-a reduction drive assembly; 3-an energy storage component; 4-a drive gear; 5-a main shaft; 6-a solenoid valve assembly;

201-a reduction turbine; 202-a reduction worm; 203-a drive worm;

601-electromagnetic valve; 602-a reduction gear set; 603-a planetary transmission mechanism; 604-a gear ring; 605-planetary gear; 606-sun gear; 607-first reduction gear; 608-secondary reduction teeth; 609-first reduction gear shaft; 610-secondary reduction gear shaft; 611-three reduction gear shaft.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1-2, the volute spring fail-safe device mechanism provided in this embodiment includes a motor 1, a reduction transmission assembly 2, and an energy storage assembly 3, where the reduction transmission assembly 2 is installed on an output shaft of the motor 1, a main shaft 5 on which a driving gear 4 is installed is fitted on the reduction transmission assembly 2, and the energy storage assembly 3 is installed on the main shaft 5; in the normal working of the embodiment, the motor 1 provides power, the power is transmitted to the speed reduction transmission assembly 2 to control the rotating speed, and finally the rotating speed is transmitted to the main shaft, and the main shaft is used as a power source to be matched with other parts of the valve for transmission to complete the full opening or the full closing of the valve; this embodiment has increased speed reduction drive assembly 2, and the control rotational speed is with guarantee driven stability, installs energy storage assembly 3 at the main shaft end and is used for the energy storage, absorbs 5 pivoted energies of main shaft promptly for store, after the outage of motor 1, energy storage assembly 3 just can release energy this moment, drives the main shaft gyration, realizes the full-closing or the full-open of valve, the effectual security that has improved.

As shown in fig. 1, the reduction gear assembly 2 includes a reduction gear 201, a reduction worm 202 and a transmission worm 203, the reduction worm 202 is installed on the output shaft of the motor 1, the reduction gear 201 is installed on the reduction worm 202 in a matching manner, and the reduction gear 201 is installed on the transmission worm 203.

As shown in fig. 1, the driving worm 203 is engaged with the driving gear 4, so that power is transmitted to the driving gear 4, i.e., to the main shaft.

As shown in fig. 1, the energy storage component 3 is a volute spring component, the volute spring component in this embodiment is of a Q93F020 series, when the motor 1 normally works, the reduction transmission component 2 normally works to drive the main shaft to normally move, at this time, the volute spring component is used for storing energy, when a power failure occurs, the motor is in a stop state, and the volute spring component is released to drive the valve to a fully open or fully closed safety position.

The electromagnetic valve assembly 6 is connected with the main shaft 5 in a matched mode and used for carrying out speed reduction locking on the main shaft 5; the electromagnetic valve assembly 6 in the embodiment is a component for locking the main shaft, and when the valve reaches a certain position, the electromagnetic valve assembly 6 is locked, so that the valve can be in a fully-opened or fully-closed state; when the belt needs to be moved, the solenoid valve assembly 6 releases the spindle so that the spindle can continue to move.

The electromagnetic valve assembly 6 in this embodiment includes an electromagnetic valve 601, a reduction gear set 602 and a planetary transmission mechanism 603, the planetary transmission mechanism 603 is installed on the main shaft 5, and the planetary transmission mechanism 603 is engaged with the reduction gear set 602, the electromagnetic valve 601 is used for locking the reduction gear set 602, in this embodiment, the planetary transmission mechanism 603 is an existing planetary transmission mechanism, both sides of the ring gear 604 are provided with teeth, the inner teeth are engaged with the planetary gear 605, and the sun gear 606 is installed on the main shaft 5, so that the rotation of the main shaft 5 can be transmitted to the planetary gear 605, and finally reach the ring gear 604, while the teeth outside the ring gear are engaged with the reduction gear set 602, the reduction gear set 602 includes a first reduction gear 607, a second reduction gear 608, a first reduction gear shaft 609, a second reduction gear shaft 610, and a third reduction gear shaft 611, and the specific connection, and the electromagnetic valve 601 controls a three-stage reduction gear to realize locking or unlocking.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The worm spring fail-safe device mechanism is characterized by comprising a motor, a speed reduction transmission assembly and an energy storage assembly, wherein the speed reduction transmission assembly is installed on an output shaft of the motor, a main shaft of a driving gear is installed on the speed reduction transmission assembly in a matched mode, and the energy storage assembly is installed on the main shaft.

2. The volute spring failsafe device mechanism of claim 1, wherein the reduction gear assembly includes a reduction gear, a reduction worm and a drive worm, the reduction worm is mounted on the output shaft of the motor, and the reduction worm is mounted with the reduction gear in a mating manner, the reduction gear is mounted on the drive worm.

3. A volute spring fail-safe device mechanism as defined in claim 2, wherein the drive worm is in meshing engagement with the drive gear.

4. A volute spring fail-safe apparatus mechanism as defined in claim 3, wherein the energy storage assembly is a volute spring assembly.

5. The volute spring fail-safe apparatus of claim 4, further comprising a solenoid assembly, the solenoid assembly being cooperatively coupled to the main shaft and providing a deceleration lock to the main shaft.

6. A volute spring fail-safe device mechanism according to claim 5, wherein the solenoid valve assembly includes a solenoid valve, a reduction gear set and a planetary gear set, the planetary gear set being mounted on the main shaft and meshing with the reduction gear set, the solenoid valve being configured to lock the reduction gear set.