Electric actuator convenient to maintain

Abstract

The utility model discloses an electric actuator convenient to maintain, which comprises a valve body and a mounting flange arranged at the upper end of the valve body. The executing mechanism is used for controlling on-off of the valve body, the mounting mechanism is used for quickly assembling the executing mechanism, the electric control mechanism is used for meeting the requirements of disassembly, assembly and maintenance, the executing mechanism is assembled at the upper end of the mounting flange, and the mounting mechanism is arranged between the valve body and the executing mechanism. The electric actuator has the advantages that the actuating mechanism is arranged, on-off of the valve body can be automatically controlled or manually controlled according to use requirements, the mounting mechanism is arranged, the electric actuator can be adaptively mounted according to actual mounting environments, and the electric actuator is simple, convenient and fast to mount and is not limited by the mounting environments. And an electric control mechanism is arranged, and a circuit connecting part adopts a plug-in type connecting structure, so that later maintenance and replacement are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric actuator technical field especially is related to a kind of electric actuator convenient to maintain. BACKGROUND

[0002] In prior art, electric actuator is a kind of drive device that can provide linear or rotary motion, it utilizes certain driving energy and works under the action of certain control signal, is the device of realizing automation process control, mainly used for valve control, it can drive valve to full open or full close position and can accurately make valve go to any position, the shell of electric actuator and bottom plate are fixedly connected by bolt, that is, mounting hole is processed in the bottom of bottom plate, then bottom plate and shell are fixedly connected by bolt, the installation and disassembly of bolt need the aid of tool, i.e., its installation mode is more cumbersome, and when electric actuator is used or fails, it needs to be overhauled and maintained regularly, but the installation and disassembly efficiency of its bottom plate is low every time, reduces the convenience of electric actuator overhaul and maintenance, and in emergency, it cannot meet the use demand.

[0003] The utility model discloses a kind of electric actuators convenient to maintain of application number as: 202221539943.8, including base, control mechanism is arranged on the outer wall of the base;Protective cover, the protective cover is set to the top of base, connection mechanism is arranged between the protective cover and base;Auxiliary mechanism is arranged at the top of the protective cover, the auxiliary mechanism is used to observe the working condition inside electric actuator;The auxiliary mechanism includes movable top plate, rotation mechanism is arranged between the movable top plate and base, the outer wall of the protective cover is fixedly connected with fixed plate, the top of the fixed plate is fixedly connected with threaded rod, the outer wall of the movable top plate is fixedly connected with two connecting plates, threaded rod is inserted between two connecting plates, nut is threadedly connected on the outer wall of the threaded rod. However, the electric actuator convenient to maintain of this kind is limited by installation environment, can only be installed at specified position and used, cannot be adaptively installed according to actual installation environment, and the circuit connection part adopts welding type connection, is inconvenient for the maintenance and replacement of circuit part. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of electric actuator convenient to maintain.

[0005] To achieve the above object, the technical scheme provided by the utility model is as follows:

[0006] The utility model provides an electric actuator convenient to maintain, including valve body and mounting flange, the mounting flan is arranged in the upper end of valve body, still include the actuator for controlling the on-off of valve body, the mounting mechanism for the quick assembly of actuator and the electric control mechanism for satisfying the dismounting maintenance demand, the actuator is assembled in the upper end of mounting flange, the mounting mechanism is arranged between valve body and actuator, and the electric control mechanism is arranged at one side of actuator.

[0007] The actuator includes an actuator base, an actuator body, and a control hand wheel, the actuator base is assembled at the upper end of the mounting flange, the actuator body is arranged at the upper end of the actuator base and is fixedly connected with the actuator base, and the control hand wheel is arranged at the upper end of the actuator body and is threadedly connected with the actuator body.

[0008] The utility model also includes a switching handle and a power supply module, the switching handle is arranged at one side of the actuator body and is rotationally connected with the actuator body, and the power supply module is arranged at a side of the actuator body away from the switching handle and is fixedly connected with the actuator body.

[0009] The mounting mechanism includes a mounting base plate and a positioning assembly, the mounting base plate is arranged at the upper end of the mounting flange and is fixedly connected with the mounting flange by bolts, and the positioning assembly is provided in two groups, the two groups of positioning assemblies are symmetrically arranged at both sides of the upper end of the mounting base plate, and the actuator base is fixedly connected with the mounting flange through the mounting base plate and the positioning assembly.

[0010] The positioning assembly includes a positioning bracket, a positioning screw, and a positioning pressing block, the positioning bracket is arranged at one side of the upper end of the mounting base plate and is fixedly connected with the mounting base plate, the positioning screw is arranged at the upper portion of the positioning bracket and is threadedly connected with the positioning bracket through the positioning bracket, the positioning pressing block is arranged at the lower end of the positioning screw and is rotationally connected with the positioning screw, and the positioning pressing block is located inside the positioning bracket.

[0011] The utility model also includes a positioning anti-skid pad, the positioning anti-skid pad is arranged at the bottom of the positioning pressing block and is fixedly connected with the positioning pressing block, and the positioning pressing block is in abutment with the actuator base through the positioning anti-skid pad.

[0012] The electric control mechanism comprises an electric control base, an electric control cover, a connecting screw and a connecting assembly, the electric control base is arranged on one side of the actuator body and fixedly connected with the actuator body, the electric control cover is arranged at one end of the electric control base away from the actuator body and detachably connected with the electric control base, the connecting screw is arranged at the connection between the electric control cover and the electric control base and threadedly connected with the electric control cover and the electric control base, the electric control cover is detachably connected with the electric control base through the connecting screw, and the connecting assembly is arranged in the electric control base.

[0013] The electric control mechanism further comprises a viewing window arranged in the middle of the electric control cover and embeddedly connected with the electric control cover, and the electric control cover is arranged corresponding to the connecting assembly.

[0014] The connecting assembly comprises a circuit board, a display panel and a plug-in seat, the circuit board is arranged in the electric control base and fixedly connected with the electric control base through a screw, the display panel is arranged on one side of the electric control base away from the actuator body and fixedly connected with the electric control base through a screw, and the plug-in seat is arranged on one side of the circuit board close to the display panel and fixedly connected with the circuit board.

[0015] The electric control mechanism further comprises a connecting line and a plug-in head, the connecting line is arranged on one side of the display panel close to the circuit board and fixedly connected with the display panel, the plug-in head is arranged at one end of the connecting line away from the display panel and fixedly connected with the connecting line, the plug-in head is inserted into the plug-in seat, and the display panel is electrically connected with the circuit board through the connecting line, the plug-in head and the plug-in seat.

[0016] The electric control mechanism further comprises a connecting line and a plug-in head, the connecting line is arranged on one side of the display panel close to the circuit board and fixedly connected with the display panel, the plug-in head is arranged at one end of the connecting line away from the display panel and fixedly connected with the connecting line, the plug-in head is inserted into the plug-in seat, and the display panel is electrically connected with the circuit board through the connecting line, the plug-in head and the plug-in seat.

[0017] The electric control mechanism further comprises a connecting line and a plug-in head, the connecting line is arranged on one side of the display panel close to the circuit board and fixedly connected with the display panel, the plug-in head is arranged at one end of the connecting line away from the display panel and fixedly connected with the connecting line, the plug-in head is inserted into the plug-in seat, and the display panel is electrically connected with the circuit board through the connecting line, the plug-in head and the plug-in seat. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a mounting mechanism and actuator base cooperation schematic view of the utility model;

[0020] Figure 3 It is an electric control mechanism structure schematic view of the utility model;

[0021] Figure 4It is the control mechanism section view of the utility model.

[0022] In the figure: 1, valve body;2, mounting flange;3, actuator base;4, actuator body;5, control hand wheel;6, switching handle;7, power supply module;8, installation base plate;9, positioning support;10, positioning screw;11, positioning pressing block;12, anti-skid pad;13, electric control base shell;14, electric control cover;15, connecting screw;16, observation window;17, circuit board;18, display panel;19, plug-in seat;20, connecting line;21, plug-in head. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below,

[0024] A kind of electric actuator of being convenient for maintenance, including valve body 1 and mounting flange 2, mounting flange 2 is arranged in the upper end of valve body 1, still include the execution mechanism for controlling the on-off of valve body 1, the installation mechanism for the quick assembly of execution mechanism and the electric control mechanism for satisfying the demand of disassembly and maintenance, execution mechanism is assembled in the upper end of mounting flange 2, installation mechanism is arranged between valve body 1 and execution mechanism, electric control mechanism is configured at one side of execution mechanism, the overall structure schematic diagram of the utility model is as shown in Figure 1 .

[0025] Execution mechanism includes actuator base 3, actuator body 4 and control hand wheel 5, actuator base 3 is assembled in the upper end of mounting flange 2, actuator body 4 is set in the upper end of actuator base 3 and is fixedly connected with actuator base 3, control hand wheel 5 is set in the upper end of actuator body 4 and is threadedly connected with actuator body 4, execution mechanism controls the on-off of valve body 1 by actuator base 3, actuator body 4 and control hand wheel 5 cooperation, wherein, actuator base 3 is used to provide installation support for actuator body 4 and as the base portion of actuator, actuator body 4 is used to provide installation support for control hand wheel 5 and electric control mechanism, control hand wheel 5 is used to be connected with valve stem by connecting rod, to control the passage of valve body 1 by valve stem.

[0026] Still include switching handle 6 and power supply module 7, switching handle 6 is set at one side of actuator body 4 and is rotationally connected with actuator body 4, power supply module 7 is set at the side of actuator body 4 away from switching handle 6 and is fixedly connected with actuator body 4, wherein, switching handle 6 is used to switch the control mode of actuator body 4, rotatable automatic control or manual control, in manual control mode, control hand wheel 5 is connected with valve stem by connecting rod, in automatic control mode, servo motor inside actuator body 4 is connected with valve stem, power supply module 7 is used to power for actuator body 4.

[0027] The mounting mechanism comprises a mounting base plate 8 and a positioning assembly, the mounting base plate 8 is arranged at the upper end of the mounting flange 2 and is fixedly connected with the mounting flange 2 through bolts, the positioning assembly is provided in two groups, the two groups of the positioning assembly are symmetrically arranged at both sides of the upper end of the mounting base plate 8, and the actuator base 3 is fixedly connected with the mounting flange 2 through the mounting base plate 8 and the positioning assembly, the mounting mechanism is matched through the mounting base plate 8 and the positioning assembly, so that the quick disassembly and assembly connection between the actuator body 4 and the valve body 1 is realized, and maintenance is facilitated, wherein the mounting base plate 8 is used for providing mounting support for the positioning assembly, the positioning assembly is used for cooperating with the mounting base plate 8 to quickly mount and position the actuator base 3, so that the quick disassembly and assembly connection between the actuator body 4 and the valve body 1 is realized, and the mounting mechanism and the actuator base 3 are matched as shown in the schematic view of the utility model. Figure 2

[0028] The positioning assembly comprises a positioning bracket 9, a positioning screw 10 and a positioning pressing block 11, the positioning bracket 9 is arranged at one side of the upper end of the mounting base plate 8 and is fixedly connected with the mounting base plate 8, the positioning screw 10 is arranged at the upper portion of the positioning bracket 9 and is threadedly connected with the positioning bracket 9 through penetrating the positioning bracket 9, and the positioning pressing block 11 is arranged at the lower end of the positioning screw 10 and is rotationally connected with the positioning screw 10, the positioning pressing block 11 is located at the inner side of the positioning bracket 9, the positioning assembly is matched through the positioning bracket 9, the positioning screw 10 and the positioning pressing block 11, and is matched with the mounting base plate 8 to quickly mount and position the actuator base 3, wherein the positioning bracket 9 is used for providing mounting support for the positioning screw 10, the positioning screw 10 is used for providing mounting support for the positioning pressing block 11 and driving the positioning pressing block 11 to perform lifting action through the relative rotation between the positioning screw 10 and the positioning bracket 9, and the positioning pressing block 11 is used for performing lifting action under the action of the positioning screw 10 to abut against or be separated from the actuator base 3, so that the actuator base 3 is quickly mounted and positioned.

[0029] Further comprising a positioning anti-skid pad 12, the positioning anti-skid pad 12 is arranged at the bottom of the positioning pressing block 11 and is fixedly connected with the positioning pressing block 11, and the positioning pressing block 11 abuts against the actuator base 3 through the positioning anti-skid pad 12, wherein the positioning anti-skid pad 12 is used as an anti-skid structure at the bottom of the positioning pressing block 11, so that the anti-skid effect between the positioning pressing block 11 and the actuator base 3 is improved.

[0030] ​The electric control mechanism comprises an electric control base 13, an electric control cover 14, a connecting screw 15 and a connecting assembly, the electric control base 13 is arranged on one side of the actuator body 4 and fixedly connected with the actuator body 4, the electric control cover 14 is arranged on the end of the electric control base 13 away from the actuator body 4 and detachably connected with the electric control base 13, the connecting screw 15 is arranged at the connection between the electric control cover 14 and the electric control base 13 and threadedly connected with the electric control cover 14 and the electric control base 13, the electric control cover 14 is detachably connected with the electric control base 13 through the connecting screw 15, and the connecting assembly is arranged inside the electric control base 13, the electric control mechanism is formed by cooperation of the electric control base 13, the electric control cover 14, the connecting screw 15 and the connecting assembly, and constitutes a plug-in electric control part on the side of the actuator body 4, wherein the electric control base 13 is used for providing a mounting space for the connecting assembly, the electric control cover 14 is used for constituting a detachable electric control shell structure together with the electric control base 13, the connecting screw 15 is used for realizing detachable connection between the electric control cover 14 and the electric control base 13, and the connecting assembly is used as a plug-in connection structure in the electric control part, so as to meet the disassembly and replacement requirement of the electric control part of the actuator, and a structure diagram of the electric control mechanism is shown in Figure 3 .

[0031] The utility model also comprises an observation window 16, the observation window 16 is arranged in the middle of the electric control cover 14 and is embeddedly connected with the electric control cover 14, and the electric control cover 14 is arranged corresponding to the connecting assembly, wherein the observation window 16 is used as a window structure on the electric control cover 14 to meet the observation requirement of the staff on the running state of the actuator, and a sectional view of the electric control mechanism is shown in Figure 4 .

[0032] The connecting assembly comprises a circuit board 17, a display panel 18 and a plug-in seat 19, the circuit board 17 is arranged inside the electric control base 13 and fixedly connected with the electric control base 13 through a screw, the display panel 18 is arranged on the side of the electric control base 13 away from the actuator body 4 and fixedly connected with the electric control base 13 through a screw, and the plug-in seat 19 is arranged on the side of the circuit board 17 close to the display panel 18 and fixedly connected with the circuit board 17, the connecting assembly is formed by cooperation of the circuit board 17, the display panel 18 and the plug-in seat 19, and constitutes a plug-in connection structure in the electric control part, wherein the circuit board 17 is used as the electric control part in the actuator, the display panel 18 is used for receiving the electric signal transmitted by the circuit board 17 to display the working state of the actuator, and the plug-in seat 19 is used as a plug-in connection structure on the circuit board 17.

[0033] Further comprising a connecting line 20 and a plug head 21, the connecting line 20 is arranged on the side of the display panel 18 close to the circuit board 17 and fixedly connected with the display panel 18, the plug head 21 is arranged on the end of the connecting line 20 away from the display panel 18 and fixedly connected with the connecting line 20, the plug head 21 is plugged with the plug seat 19, and the display panel 18 is electrically connected with the circuit board 17 through the connecting line 20, the plug head 21 and the plug seat 19, wherein the connecting line 20 is used for electrically connecting the plug head 21 with the display panel 18, and the plug head 21 is used for cooperating with the plug seat 19 to form a plug-in connection structure and realize the electrical connection between the display panel 18 and the circuit board 17.

[0034] Wherein, the connection mode of the actuator body 4 and the valve stem of the valve body 1 is the common knowledge in the art, and thus will not be described in detail.

[0035] Working principle:

[0036] In use, the valve body 1 is assembled in the pipeline system through the flange plates at both ends of the valve body 1, then the mounting base plate 8 is bolted on the mounting flange 2 at the upper end of the valve body 1, the actuator is arranged on the mounting base plate 8 through the actuator base 3, the output end of the actuator is in driving connection with the valve stem of the valve body 1, the positioning screw 10 is rotated to drive the positioning block 11 to descend, so that the positioning non-slip pad 12 abuts against the actuator base 3, the installation and connection of the actuator and the valve body 1 are realized, in the working process, the valve stem of the valve body 1 can be automatically controlled through the electric control mechanism or manually controlled through the control hand wheel 5, the working mode of the actuator is switched through the switching handle 6, and the switching principle is the same as that of the working mode of the electric actuator in the prior art, and thus will not be described in detail, when the actuator needs to be disassembled and maintained, the positioning screw 10 is rotated to drive the positioning block 11 to ascend, so that the positioning non-slip pad 12 is separated from the actuator base 3, then the display panel 18 is removed, and the plug head 21 is pulled out of the plug seat 19, so that the electric control mechanism can be disassembled and replaced, and maintenance is facilitated.

[0037] The electric actuator can be adaptively installed according to the actual installation environment through the installation mechanism, the installation is simple and fast, and is not limited by the installation environment, the circuit connection part adopts the plug-in connection structure, and the electric control mechanism is convenient for later maintenance and replacement.

[0038] The above has carried out the detailed explanation to one embodiment of the utility model, but the content is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.

Claims

1. An electric actuator for ease of maintenance, comprising a valve body (1) and a mounting flange (2) arranged at the upper end of the valve body (1), characterized in that, It also includes an actuator for controlling the on-off of the valve body (1), a mounting mechanism for quickly assembling the actuator, and an electric control mechanism for meeting the disassembly and maintenance requirements, the actuator is assembled on the upper end of the mounting flange (2), the mounting mechanism is arranged between the valve body (1) and the actuator, and the electric control mechanism is arranged on one side of the actuator.

2. A maintenance-friendly motorised actuator according to claim 1, characterised in that The actuator includes an actuator base (3), an actuator body (4), and a control hand wheel (5), the actuator base (3) is assembled on the upper end of the mounting flange (2), the actuator body (4) is arranged on the upper end of the actuator base (3) and is fixedly connected with the actuator base (3), and the control hand wheel (5) is arranged on the upper end of the actuator body (4) and is threadedly connected with the actuator body (4).

3. A maintenance-friendly motorised actuator according to claim 2, characterised in that It also includes a switching handle (6) and a power supply module (7), the switching handle (6) is arranged on one side of the actuator body (4) and is rotatably connected with the actuator body (4), and the power supply module (7) is arranged on the side of the actuator body (4) away from the switching handle (6) and is fixedly connected with the actuator body (4).

4. A maintenance-friendly motorised actuator according to claim 3, characterised in that The mounting mechanism includes a mounting base plate (8) and a positioning assembly, the mounting base plate (8) is arranged on the upper end of the mounting flange (2) and is fixedly connected with the mounting flange (2) by bolts, and the positioning assembly is provided with two groups, the two groups of positioning assemblies are symmetrically arranged on both sides of the upper end of the mounting base plate (8), and the actuator base (3) is fixedly connected with the mounting flange (2) through the mounting base plate (8) and the positioning assembly.

5. A maintenance-friendly motorised actuator according to claim 4, characterised in that The positioning assembly includes a positioning bracket (9), a positioning screw (10), and a positioning pressing block (11), the positioning bracket (9) is arranged on one side of the upper end of the mounting base plate (8) and is fixedly connected with the mounting base plate (8), the positioning screw (10) is arranged on the upper part of the positioning bracket (9) and is threadedly connected with the positioning bracket (9) penetrating through the positioning bracket (9), the positioning pressing block (11) is arranged on the lower end of the positioning screw (10) and is rotatably connected with the positioning screw (10), and the positioning pressing block (11) is located on the inner side of the positioning bracket (9).

6. A maintenance-friendly motorised actuator according to claim 5, characterised in that It also includes a positioning anti-skid pad (12), the positioning anti-skid pad (12) is arranged on the bottom of the positioning pressing block (11) and is fixedly connected with the positioning pressing block (11), and the positioning pressing block (11) abuts against the actuator base (3) through the positioning anti-skid pad (12).

7. A maintenance-friendly motorised actuator according to claim 6, characterised in that The electric control mechanism comprises an electric control base (13), an electric control cover (14), a connecting screw (15) and a connecting assembly, the electric control base (13) is arranged on one side of the actuator body (4) and fixedly connected with the actuator body (4), the electric control cover (14) is arranged at one end of the electric control base (13) away from the actuator body (4) and detachably connected with the electric control base (13), the connecting screw (15) is arranged at the connection between the electric control cover (14) and the electric control base (13) and threadedly connected with the electric control cover (14) and the electric control base (13), the electric control cover (14) is detachably connected with the electric control base (13) through the connecting screw (15), and the connecting assembly is arranged inside the electric control base (13).

8. A maintenance-friendly motorised actuator according to claim 7, characterised in that An observation window (16) is further arranged, which is arranged in the middle of the electric control cover (14) and embeddedly connected with the electric control cover (14), and the electric control cover (14) is arranged corresponding to the connecting assembly.

9. A maintenance-friendly motorised actuator according to claim 8, characterised in that The connecting assembly comprises a circuit board (17), a display panel (18) and a plug-in seat (19), the circuit board (17) is arranged inside the electric control base (13) and fixedly connected with the electric control base (13) through a screw, the display panel (18) is arranged on one side of the electric control base (13) inside away from the actuator body (4) and fixedly connected with the electric control base (13) through a screw, and the plug-in seat (19) is arranged on one side of the circuit board (17) close to the display panel (18) and fixedly connected with the circuit board (17).

10. An electric actuator for facilitating maintenance as claimed in claim 9 wherein, A connecting line (20) and a plug-in head (21) are further arranged, the connecting line (20) is arranged on one side of the display panel (18) close to the circuit board (17) and fixedly connected with the display panel (18), the plug-in head (21) is arranged at one end of the connecting line (20) away from the display panel (18) and fixedly connected with the connecting line (20), the plug-in head (21) is plug-connected with the plug-in seat (19), and the display panel (18) is electrically connected with the circuit board (17) through the connecting line (20), the plug-in head (21) and the plug-in seat (19).

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