False touch prevention protection device for operation knob of electric cabinet of electric actuating mechanism

Abstract

The utility model discloses an anti-accidental-touch protection device for an operation knob of an electric cabinet of an electric actuating mechanism. The anti-accidental-touch protection device comprises a base body, a turning cover, a fixing assembly and a connecting assembly. The accidental touch prevention protection device for the operation knob of the electric control box of the electric actuating mechanism is adaptively designed according to the structure of the electric control box of the electric actuating mechanism, the structure of the electric control box of the electric actuating mechanism does not need to be changed, the change risk is avoided, and the protection device adopts an assembled structure and is convenient to use. The protection device is especially beneficial to installation in a limited space in the electric control box of the electric actuating mechanism, after the protection device is installed, the operation and daily observation of the electric control box of the electric actuating mechanism are not influenced, and the debugging requirement can be met without disassembly. Meanwhile, the protection device can cover the operation knob of the electric control box of the electric actuating mechanism, prevent mistaken touch and collision, thoroughly solve the risk and consequence caused by mistaken touch of personnel, completely eradicate failure caused by human factors, reduce equipment damage and stabilize the operation condition of a unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power plant conventional island electric actuator safety protection technical field, especially a kind of electric actuator electric control box operation knob anti-misoperation protection device. BACKGROUND

[0002] As Figure 1 As shown in current electric actuator electric control box 5 operation panel has two plastic manual operation knob 51, work site prone to misoperation knob 51 and collision damage knob accident.Especially when the inspection personnel or erect scaffold personnel work in the vicinity of equipment prone to misoperation knob 51, impact operation knob 51 during maintenance, resulting in the position change of electric control box operation knob 51 and cause misoperation and control risk. SUMMARY

[0003] The utility model provides a kind of electric actuator electric control box operation knob anti-misoperation protection device to solve the technical problems of the utility model.

[0004] The utility model discloses a kind of electric actuator electric control box operation knob anti-misoperation protection device, it includes base body, flip, fixed component and connecting component;

[0005] The fixed component is used to connect the base body with electric actuator electric control box, the connecting component is used to connect the base body with the flip, the flip can be rotated relative to the base body, the flip can be moved back and forth between shielding position and open position, to realize the shielding and not shielding of operation knob.

[0006] In some embodiments, the connecting component includes connecting seat, first fastener and first shock-absorbing buffer, connecting seat is connected to the base body by the first fastener, the base body is equipped with the mounting hole for the first fastener installation, the first shock-absorbing buffer is installed on the connecting seat.

[0007] In some embodiments, the connecting component further includes rotating shaft and second shock-absorbing buffer, the flip is connected to the connecting seat by the rotating shaft, the second shock-absorbing buffer is installed on the flip.

[0008] In some embodiments, the first shock-absorbing buffer and the second shock-absorbing buffer include connecting portion, elastic member and abutment portion, the connecting portion is equipped with accommodating groove, two ends of the elastic member are connected to the accommodating groove and the abutment portion respectively.

[0009] In some embodiments, the number of the connecting assemblies is two, and the two connecting assemblies are separately arranged on two sides of the flip cover, and each of the connecting assemblies comprises two first shock-absorbing buffers.

[0010] In some embodiments, the flip cover is provided with an avoiding part for avoiding a display screen of the electric control box of the electric actuator.

[0011] In some embodiments, the fixing assembly comprises a second fastener and a connecting rod, the base body is provided with a retaining hole, the first end of the connecting rod is connected to a positioning hole of the electric control box of the electric actuator, and the second fastener is arranged through the retaining hole and connected to the second end of the connecting rod to fix the relative position of the connecting rod and the base body.

[0012] In some embodiments, the number of the fixing assemblies is two, and the two fixing assemblies are separately arranged on two sides of the base body.

[0013] In some embodiments, the first fastener and the second fastener are both connecting screws.

[0014] In some embodiments, the connecting rod is a screw rod.

[0015] The electric control box operating knob anti-misoperation protection device has the following beneficial effects: the electric control box operating knob anti-misoperation protection device is adaptively designed according to the structure of the electric control box of the electric actuator, does not need to change the structure of the electric control box of the electric actuator, has no change risk, and adopts an assembly type structure, which is particularly beneficial to installation in the limited space of the electric control box of the electric actuator. After the protection device is installed, the operation and daily observation of the electric control box of the electric actuator are not affected, and the protection device can meet the debugging needs without being removed. At the same time, the protection device can cover the electric control box operating knob of the electric actuator to prevent misoperation and impact, completely solves the risk and consequences caused by personnel misoperation, eliminates human error, reduces equipment damage, and stabilizes the operating conditions of the unit. The entire protection device is convenient to install and use, saves working time, and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0017] Figure 1 is a structural schematic view of the electric control box of the electric actuator;

[0018] Figure 2 is the overall structure schematic diagram of the electric control box operation knob anti-misoperation protection device of the electric actuator in some embodiments of the utility model;

[0019] Figure 3 is the exploded parts schematic diagram of the electric control box operation knob anti-misoperation protection device of the electric actuator in some embodiments of the utility model;

[0020] Figure 4 is the structure side view of the electric control box operation knob anti-misoperation protection device of the electric actuator in some embodiments of the utility model;

[0021] Figure 5 is the cooperation schematic diagram of the electric control box operation knob anti-misoperation protection device and the electric control box of the electric actuator in some embodiments of the utility model;

[0022] Figure 6 is the structure schematic diagram of the shock absorption buffer in some embodiments of the utility model. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail by referring to the drawings. In the following description, it should be understood that the directions or position relations indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or position relations shown in the drawings, the specific directions are constructed and operated, and are only for the convenience of describing the technical scheme, and cannot be understood as indicating that the devices or elements must have the specific directions, thus cannot be understood as limiting the utility model.

[0024] It also needs to be explained that unless there is an explicit provision and limitation, the terms such as "mounting", "connecting", "connecting", "fixing", "setting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements or the interaction relationship of two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" on the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly include one or more features. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 2 to 6 The utility model discloses an electric control box operation knob anti-misoperation protection device of electric actuator, it includes base body 1, flap 2, fixed assembly 3 and connecting assembly 4. Fixed assembly 3 is used for connecting base body 1 with electric actuator electric control box 5, connecting assembly 4 is used for connecting base body 1 with flap 2, flap 2 can rotate relative to base body 1, flap 2 can move back and forth in shielding position A and open position B, to realize the shielding and not shielding of operation knob 51.

[0026] The electric actuator is specifically a LOTOCK IQ2 generation electric actuator. In the current work site, the operation knob 51 is prone to be accidentally touched and collided and damaged during work. Especially, the operation knob 51 is prone to be accidentally touched and collided and damaged during maintenance when the inspection personnel or the scaffold personnel work near the electric control box 5 of the electric actuator. The position of the operation knob 51 of the electric control box 5 of the electric actuator is changed, which causes misoperation and control risk. In order to avoid the position of the operation knob 51 of the electric control box being changed due to the operation knob 51 being touched and collided during work and maintenance, the protection device is adaptively designed according to the structure of the electric control box 5 of the electric actuator, without the need to change the structure of the electric control box 5 of the electric actuator, without the risk of change, and the protection device adopts an assembled structure, which is particularly beneficial to the installation of the protection device in the limited space of the electric control box 5 of the electric actuator. After the protection device is installed, the operation and daily observation of the electric control box 5 of the electric actuator are not affected, and the protection device can meet the debugging needs without being removed. At the same time, the protection device can cover the operation knob of the electric control box 5 of the electric actuator to prevent accidental touch and collision, completely solve the risk and consequences caused by accidental touch of personnel, eliminate human failure, reduce equipment damage, and stabilize the operation condition of the unit. The entire protection device is easy to install and use, saves working time, and improves work efficiency.

[0027] The base body 1 and the cover 2 can be made of aluminum alloy material, which has high strength, impact resistance and corrosion resistance. The electric control box 5 of the electric actuator does not need to be powered off and changed in structure during field installation, which is particularly beneficial to the installation of the protection device in the limited space of the electric control box 5 of the electric actuator. After the protection device is installed, the operation knob 51 of the electric actuator can be in an effective shielding position.

[0028] As Figure 3As shown, the connecting assembly 4 comprises a connecting seat 41, a first fastener 42 and a first shock-absorbing buffer 43, the connecting seat 41 is connected to the base body 1 through the first fastener 42, the base body 1 is provided with a mounting hole 11 for mounting the first fastener 42, and the first shock-absorbing buffer 43 is mounted on the connecting seat 41. The connecting assembly 4 further comprises a rotating shaft 44 and a second shock-absorbing buffer 45, the flip cover 2 is connected to the connecting seat 41 through the rotating shaft 44, and the second shock-absorbing buffer 45 is mounted on the flip cover 2. Specifically, the number of the connecting assembly 4 is two, and the two connecting assemblies 4 are separately arranged on the two sides of the flip cover 2, and each connecting assembly 4 comprises two first shock-absorbing buffers 43. Understandably, the flip cover 2 can rotate relative to the connecting seat 41, and the flip cover 2 can move back and forth between the shielding position A and the open position B, when the flip cover 2 is located at the shielding position A, the operating knob 51 is shielded by the flip cover 2, which can avoid the risk and damage caused by the accidental touch of the operator, reduce the damage of the equipment and ensure the stability of the unit operation, when the flip cover 2 is located at the open position B, the operator can operate the operating knob 51. More specifically, after the flip cover 2 is turned up, the flip cover 2 is at the open position B, and after the flip cover 2 is turned down, the flip cover 2 is at the shielding position A.

[0029] As shown in Figure 6 The first shock-absorbing buffer 43 and the second shock-absorbing buffer 45 each comprise a connecting portion 431, an elastic member 432 and an abutting portion 433, the connecting portion 431 is provided with a receiving groove 4311, and the two ends of the elastic member 432 are connected to the receiving groove 4311 and the abutting portion 433 respectively. The first shock-absorbing buffer 43 and the second shock-absorbing buffer 45 can be buffer top wires, which can provide a buffering and shock-absorbing effect during the movement of the flip cover 2. The outer part of the connecting portion 431 is a threaded portion, the first shock-absorbing buffer 43 can be threadedly connected to the connecting seat 41, the second shock-absorbing buffer 45 can be threadedly connected to the flip cover 2, and the second shock-absorbing buffer 45 is specifically located at the middle position of the flip cover 2, and the elastic member 432 is a spring, which can provide a buffering effect. The abutting portion 433 is specifically spherical. The abutting portion 433 of the first shock-absorbing buffer 43 is used for abutting to the side surface of the flip cover 2 during the rotation of the flip cover 2, and the abutting portion 433 of the second shock-absorbing buffer 45 is used for abutting to the base body 1 when the flip cover 2 is turned to the target position.

[0030] The flip cover 2 is provided with an avoiding portion 21 for avoiding the display screen 52 of the electric control box 5 of the electric actuator, the avoiding portion 21 does not affect the operation of the operating knob 51 and the viewing of the display screen 52, and the avoiding portion 21 is specifically arranged at the middle position of the flip cover 2 and is generally arc-shaped, which can leave a space at the middle position of the flip cover 2 for viewing the display screen 52.

[0031] As shown in Figure 4 and Figure 5As shown, the fixing assembly 3 includes a second fastener 31 and a connecting rod 32, the base body 1 is provided with a fixing hole 12, the first end of the connecting rod 32 is connected to the positioning hole of the electric control box 5 of the electric actuator, the second fastener 31 is arranged in the fixing hole 12 and connected to the second end of the connecting rod 32, so as to fix the relative position of the connecting rod 32 and the base body 1. The number of the fixing assembly 3 is two, and the two fixing assemblies 3 are separately arranged on the two sides of the base body 1. In other embodiments, the number of the fixing assembly 3 can also be adaptively adjusted, such as three, four or other numbers, which are not limited here.

[0032] The base body 1 is provided with a slot matching the second end of the connecting rod 32. Specifically, during installation, the first end of the connecting rod 32 can be installed by using the two M8 screw holes reserved in the electric control box 5 of the electric actuator, and the second fastener 31 is arranged in the mounting hole 11 and screwed with the second end of the connecting rod 32, so as to fix the relative position of the electric control box 5 of the electric actuator and the protection device, so that the electric control box 5 of the electric actuator and the protection device form a mechanically hard-connected whole, which is anti-seismic and does not fall off. In addition, the first fastener 42 and the second fastener 31 are connecting screws, the connecting rod 32 is a screw rod, the connecting rod 32 can be screwed with the base body 1, and the first fastener 42, the second fastener 31 and the connecting rod 32 can be made of 304 stainless steel, which is corrosion-resistant.

[0033] The beneficial effects of the protection device for preventing accidental touch of the operating knob of the electric control box of the electric actuator are:

[0034] 1. The connecting rod 32 is installed by using the positioning hole reserved in the electric control box 5 of the electric actuator, without the need for structural modification of the electric control box 5 of the electric actuator, and without the risk of modification;

[0035] 2. The protection device adopts an assembled structure, which is particularly beneficial to installation in the limited space in the electric control box 5 of the electric actuator;

[0036] 3. After installation of the protection device, the operation and daily observation of the electric actuator are not affected, and the protection device can be removed, which can meet the debugging needs;

[0037] 4. The protection device body is solid and has a large protection area, which can cover the operating knob 51 of the electric control box 5 of the electric actuator, prevent accidental touch and impact;

[0038] 5. After installation of the protection device on the electric control box 5 of the electric actuator, the protection device and the electric control box 5 of the electric actuator form a mechanically hard-connected whole, which is anti-seismic and does not fall off, completely solves the risks and consequences caused by accidental touch of personnel, eliminates human failure, reduces equipment damage, and stabilizes the operating conditions of the unit;

[0039] 6. The entire protection device is easy to install and use, which saves working time and improves work efficiency.

[0040] It can be understood that the above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application patent; it should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, the above technical features can be freely combined, and some deformations and improvements can be made, which belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. An electric control box operating knob anti-misoperation protection device for electric actuators, characterized in that, The utility model relates to a kind of electric actuator electric control box, including base (1), cover (2), fixed assembly (3) and connecting assembly (4); The fixed assembly (3) is used to connect the base (1) with electric actuator electric control box (5), the connecting assembly (4) is used to connect the base (1) with the cover (2), the cover (2) can rotate relative to the base (1), the cover (2) can move back and forth between shielding position (A) and open position (B), to realize the shielding and not shielding of operation knob (51).

2. The electric control box operating knob anti-misoperation protection device of the electric actuator according to claim 1, characterized in that, The connecting assembly (4) includes connecting seat (41), first fastener (42) and first shock absorber (43), the connecting seat (41) is connected to the base (1) by the first fastener (42), the base (1) is provided with mounting hole (11) for the first fastener (42) installation, the first shock absorber (43) is installed on the connecting seat (41).

3. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 2, characterized in that, The connecting assembly (4) further includes rotating shaft (44) and second shock absorber (45), the cover (2) is connected to the connecting seat (41) by the rotating shaft (44), and the second shock absorber (45) is installed on the cover (2).

4. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 3, characterized in that, The first shock absorber (43) and the second shock absorber (45) both include connecting part (431), elastic element (432) and abutting part (433), the connecting part (431) is provided with accommodating groove (4311), and the two ends of the elastic element (432) are connected to the accommodating groove (4311) and the abutting part (433) respectively.

5. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 2, characterized in that, The number of the connecting assembly (4) is two, and two connecting assemblies (4) are separately arranged on the two sides of the cover (2).

6. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 1, characterized in that, The cover (2) is provided with avoiding part (21) for avoiding display screen (52) of electric actuator electric control box (5).

7. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 2, characterized in that, The fixed assembly (3) includes second fastener (31) and connecting rod (32), the base (1) is provided with retaining hole (12), the first end of the connecting rod (32) is connected to the positioning hole of electric actuator electric control box (5), the second fastener (31) is threaded in the retaining hole (12) and connected to the second end of the connecting rod (32), to fix the relative position of the connecting rod (32) and the base (1).

8. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 7, characterized in that, The number of the fixed assembly (3) is two, and two fixed assemblies (3) are separately arranged on the two sides of the base (1).

9. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 7, characterized in that, The first fastener (42) and the second fastener (31) are both connecting screws.

10. The electric control box operating knob anti-misoperation protection device of electric actuator according to claim 7, characterized in that, The connecting rod (32) is a screw rod.

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