Control box mounting structure of thermal control system of power plant

Abstract

The utility model provides a control box installation structure of a power plant thermal control system, and belongs to the technical field of thermal control. The problem that an existing control box is poor in installation stability is solved. According to the control box installation structure of the power plant thermal control system, the left side face and the right side face of the rear end of a control box are each provided with a positioning frame formed by protruding outwards, a right-angle connecting piece comprises a positioning part and an installation part which are perpendicular to each other, and the positioning parts are embedded in the positioning frames and fixedly connected with the control box through bolts; the control box installation structure further comprises an installation frame and a long bolt, the installation frame comprises an installation plate arranged in the transverse direction, the middle of the installation plate is arched backwards to form a triangular structure, the long bolt can penetrate through the first installation hole and the second installation hole, and the end of the long bolt is in threaded connection with a nut tightly pressed on the installation plate. The positioning frame of the structure can prevent the positioning part from swinging up and down, the connection strength of the right-angle connecting piece and the control box is improved, and it is guaranteed that the control box has good stability after being installed.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal control, in particular to a control box installation structure of a thermal control system of a power plant. Background Art

[0002] Thermal power plants with 1 million megawatt units include thermal control systems. The function of thermal control systems is to control the parameters of various thermal processes, including temperature, pressure, flow and liquid level, so that they are in the best state to achieve safe and economical operation of thermal power plants. Thermal control systems are generally composed of sensing components or transmission units, connection units, adjustment units, and execution units, including automatic detection, automatic alarm, remote operation, automatic operation, automatic adjustment, automatic protection and interlocking.

[0003] The thermal control system includes control boxes with various functions scattered in the power plant. The existing control boxes are generally installed on walls, columns or other objects. For example, the China Patent Network discloses an electric thermal control information management device [Authorization Announcement No.: CN216352040U]. A strap is fixedly connected to one side of the back of the management device body, and a ring is fixedly connected to the other side of the back of the management device body. One end of the strap passes through the ring and extends to the other side of the ring. A first bolt is provided on one side of the outer surface of the ring. One end of the first bolt passes through the ring and the strap and extends to the inside of the management device body. One end of the strap is fixed to one side of the management device body, and the other end passes through the ring. Clamp holes are evenly opened on the strap. The first bolt is threadedly connected to the management device body after passing through the clamping hole. The left and right sides of the back of the management device body are fixedly connected with folding connectors. The folding connector is located below the strap, and the folding connector has a single thread connected to the second bolt. When the management device body needs to be fixed on a cylindrical object, first rotate the first bolt off the ring, then clamp the strap on the cylindrical object, then pass one end of the strap through the ring and fix it with the first bolt; if the management device body is installed together with other rectangular objects, etc., the second bolt can be directly used to fix it to the external object.

[0004] The above-mentioned installation method of the management device body has the following defects: the management device body is fixed to the cylindrical object with a strap. Some management device bodies are heavy and the tightening force of the strap is limited. The fixing method with the strap cannot effectively position the management device body on the cylindrical object, and the management device body is easy to slide down along the cylindrical object; by arranging a folding connector on the management device body so that the management device body can be fixed on the wall or the surface of an object, the connection strength between the folding connector and the management device body is low, and the connection is easy to break or fall off. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems in the prior art and to propose a control box installation structure for a thermal control system of a power plant. The technical problem to be solved by the utility model is: how to improve the installation stability of the control box.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A control box installation structure for a thermal control system of a power plant, comprising a control box and a right-angle connector, characterized in that the left and right side surfaces at the rear end of the control box are both provided with a positioning frame formed by outward protrusions, the positioning frame is rectangular, one side of the positioning frame has an opening and the opening faces the rear end of the control box, the right-angle connector comprises a positioning portion and a mounting portion perpendicular to each other, the positioning portion is embedded in the positioning frame and the positioning portion is fixedly connected to the control box by bolts, and a mounting hole 1 is provided on the mounting portion; the control box installation structure also includes a mounting frame and a long bolt, the mounting frame includes a mounting plate arranged in a transverse direction, the middle portion of the mounting plate is arched backward to form a triangular structure, and mounting holes 2 are provided at both ends of the mounting plate, the long bolt can pass through the mounting hole 1 and the mounting hole 2, and the ends of the long bolts are screwed with nuts pressed on the mounting plate.

[0008] When the control box needs to be installed on a wall or an object with a plane, the fastener passes through the mounting hole on the mounting part to fix it on the wall or the object with a plane. The positioning frame of this structure facilitates the installation and positioning of the positioning part on the one hand, and on the other hand, after the control box is installed and positioned, the positioning frame can prevent the positioning part from swinging up and down, thereby improving the connection strength between the right-angle connector and the control box, and ensuring that the control box has good stability after installation;

[0009] When the control box needs to be installed on the cylinder, first determine the height position where the control box needs to be installed, and then pass the long bolt through the mounting hole one, that is, each mounting hole one is penetrated with a long bolt, and then adjust the position of the mounting frame so that the mounting holes two at both ends of the mounting plate are respectively inserted into the corresponding long bolts, and the mounting plate is tightly attached to the cylinder. At this time, the control box is located on the front side of the cylinder, and the mounting plate is located on the rear side of the cylinder. Then, tighten the nut on the rear end of the long bolt and press it on the mounting plate, so that the back of the mounting plate and the control box are pressed against the cylinder to achieve the positioning of the control box on the cylinder. The middle part of the mounting plate arches backward to form a triangular structure. After the mounting plate is pressed against the cylinder, there are two tangent points between the mounting plate and the cylinder, which increases the clamping point of the mounting plate and the cylinder, thereby increasing the friction between the mounting plate and the column, ensuring that the control box has good installation stability. In addition, the mounting plate of this structure can also adapt to columns of different diameters, so that the control box can be easily installed on columns of different sizes.

[0010] In the above-mentioned control box installation structure of a thermal control system of a power plant, the inner side wall of the control box has a connection column protruding along its width direction, a threaded hole is provided in the connection column, the threaded hole passes through the outer side wall of the control box, the threaded hole is located in the positioning frame, a positioning hole coaxially arranged with the threaded hole is provided on the positioning part, and the bolt passes through the positioning hole and is threadedly connected with the threaded hole. Through the setting of this structure, the setting of the connection column facilitates the opening of a deeper threaded hole, thereby improving the connection strength between the positioning part and the control box.

[0011] In the above control box installation structure of a power plant thermal control system, each positioning part is fixedly connected to the control box by two bolts. Through the arrangement of this structure, the connection strength between the positioning part and the control box is further improved.

[0012] In the above-mentioned control box installation structure of a power plant thermal control system, the upper and lower sides of the left and right sides of the control box are provided with the positioning frames, and each positioning frame is provided with the right-angle connector. Through the arrangement of this structure, four right-angle connectors are used to further improve the stability of the control box after installation.

[0013] In the above-mentioned control box installation structure of a power plant thermal control system, the installation frame includes two installation plates arranged at intervals along the vertical direction, and the two installation plates are connected by a connecting plate arranged along the vertical direction, one of the installation plates corresponds to the two right-angle connectors at the upper part of the control box, and the other installation plate corresponds to the two right-angle connectors at the lower part of the control box. Through the arrangement of this structure, the control box installation structure composed of two installation plates and four right-angle connectors makes the installation of the control box on the cylinder more stable and firm, and not easy to loosen. The connecting plate connects the two installation plates into one, which is convenient for connecting the two installation plates with the four connectors.

[0014] In the above-mentioned control box installation structure of a thermal control system of a power plant, at least two installation holes 3 are vertically spaced apart on the upper edge of the connection plate. Through the arrangement of this structure, after determining the installation height position of the control box, the fastener passes through the installation hole 3 to fix the installation frame on the cylinder, and then the control box is fixed on the two installation plates. Since the installation frame is pre-positioned, this structure facilitates the installation of the control box on the installation frame on the one hand, and ensures that the installation frame will not slide down from the cylinder on the other hand, thereby further ensuring the stability of the control box installation.

[0015] Compared with the prior art, the control box installation structure of the power plant thermal control system of the utility model has the following advantages: on the one hand, the positioning frame of the structure facilitates the installation and positioning of the positioning part; on the other hand, when the control box is installed and positioned, the positioning frame can prevent the positioning part from swinging up and down, thereby improving the connection strength between the right-angle connector and the control box, and ensuring that the control box has good stability after installation; the middle part of the mounting plate of the structure is arched backward to form a triangular structure, and after the mounting plate is pressed against the cylinder, there are two tangent points between the mounting plate and the cylinder, which increases the clamping point between the mounting plate and the cylinder, thereby increasing the friction between the mounting plate and the column, and ensuring that the control box has good installation stability; in addition, the mounting plate of the structure can also adapt to columns of different diameters, so that the control box can be conveniently installed on columns of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is one of the three-dimensional structural schematic diagrams of the utility model.

[0017] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the mounting frame of the utility model.

[0021] In the figure, 1, control box; 2, positioning frame; 20, opening; 3, right-angle connector; 30, positioning part; 31, mounting part; 4, bolt; 5, mounting hole one; 6, mounting frame; 60, mounting plate; 61, connecting plate; 7, long bolt; 8, mounting hole two; 9, nut; 10, connecting column; 11, threaded hole; 12, positioning hole; 13, mounting hole three. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 3 and Figure 4As shown, the control box installation structure of the thermal control system of the power plant includes a control box 1 and a right-angle connector 3. The left and right sides of the rear end of the control box 1 are provided with a positioning frame 2 formed by outward protrusions. The positioning frame 2 is rectangular. One side of the positioning frame 2 has an opening 20 and the opening 20 faces the rear end of the control box 1. The right-angle connector 3 includes a positioning portion 30 and a mounting portion 31 that are perpendicular to each other. The positioning portion 30 is embedded in the positioning frame 2 and the positioning portion 30 is fixedly connected to the control box 1 by bolts 4. Each positioning portion 30 is fixedly connected to the control box 1 by two bolts 4. A mounting hole 5 is provided on the mounting portion 31, and the rear surface of the mounting portion 31 is flush with the back of the control box 1. In this embodiment, the upper and lower sides of the left and right sides of the control box 1 are provided with positioning frames 2, and each positioning frame 2 is provided with a right-angle connector 3. When the control box 1 needs to be installed on a wall or an object with a flat surface, the fastener passes through the mounting hole 5 on the mounting portion 31 to fix it on the wall or the object with a flat surface. The positioning frame 2 of this structure facilitates the installation and positioning of the positioning portion 30 on the one hand, and on the other hand, after the control box 1 is installed and positioned, the positioning frame 2 can prevent the positioning portion 30 from swinging up and down, thereby improving the connection strength between the right-angle connector 3 and the control box 1, and ensuring that the control box 1 has good stability after installation.

[0024] Furthermore, the inner wall of the control box 1 has a connection column 10 protruding along the width direction thereof, a threaded hole 11 is provided in the connection column 10, the threaded hole 11 penetrates the outer wall of the control box 1, the threaded hole 11 is located in the positioning frame 2, a positioning hole 12 coaxially arranged with the threaded hole 11 is provided on the positioning portion 30, and the bolt 4 passes through the positioning hole 12 and is threadedly connected with the threaded hole 11. The setting of the connection column 10 facilitates the opening of a deeper threaded hole 11, thereby improving the connection strength between the positioning portion 30 and the control box 1, and the setting of the positioning frame ensures that the positioning hole 12 is coaxially arranged with the threaded hole 11, thereby improving the convenience of connecting the positioning portion 30 with the control box 1.

[0025] like Figure 1 , Figure 2 and Figure 5 As shown, the control box mounting structure also includes a mounting frame 6 and a long bolt 7. The mounting frame 6 includes a mounting plate 60 arranged in a transverse direction. The middle part of the mounting plate 60 is arched backward to form a triangular structure. Both ends of the mounting plate 60 are provided with mounting holes 8. The long bolt 7 can pass through the mounting hole 15 and the mounting hole 28, and the end of the long bolt 7 is screwed with a nut 9 pressed on the mounting plate 60. The mounting frame 6 includes two mounting plates 60 arranged in a vertical interval. The two mounting plates 60 are connected by a connecting plate 61 arranged in a vertical direction. At least two mounting holes 13 are provided in the connecting plate 61 in a vertical interval. One of the mounting plates 60 corresponds to the two right-angle connectors 3 at the upper part of the control box 1, and the other mounting plate 60 corresponds to the two right-angle connectors 3 at the lower part of the control box 1.

[0026] When the control box 1 needs to be installed on a column, first determine the height position where the control box 1 needs to be installed, then adjust the mounting frame 6 to the position where the control box 1 is to be installed, and fix the mounting frame 6 on the column with a fastener passing through the mounting hole 3 13. Then, a long bolt 7 is inserted into each mounting hole 1 5, and the rear end of each long bolt 7 is passed through the mounting hole 2 8. Then, a nut 9 is screwed on the rear end of each long bolt 7. In the process of tightening the nut 9, the mounting plate 60 gradually fits tightly against the circumferential surface of the column, thereby making the mounting plate 60 and the control box close to each other. The back of 1 is pressed tightly against the cylinder to realize the positioning of the control box 1 on the cylinder. The middle part of the mounting plate 60 arches backward to form a triangular structure. After the mounting plate 60 is pressed tightly against the cylinder, there are two tangent points between the mounting plate 60 and the cylinder, which increases the clamping point of the mounting plate 60 and the cylinder, thereby increasing the friction between the mounting plate 60 and the column, ensuring that the control box 1 has good installation stability. In addition, the mounting plate 60 of this structure can also adapt to columns of different diameters, so that the control box 1 can be easily installed on columns of different sizes.

[0027] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A control box installation structure for a thermal control system of a power plant, comprising a control box (1) and a right-angle connector (3), characterized in that: The left and right side surfaces of the rear end of the control box (1) are both provided with positioning frames (2) protruding outwards, the positioning frame (2) being rectangular in shape, one side of the positioning frame (2) having an opening (20) and the opening (20) facing the rear end of the control box (1), the right-angle connector (3) comprising a positioning portion (30) and a mounting portion (31) perpendicular to each other, the positioning portion (30) being embedded in the positioning frame (2) and being fixedly connected to the control box (1) by bolts (4), the mounting portion (31) being provided with a plurality of bolts (4) and a plurality of bolts (4) being provided on the rear end of the control box (1), and the plurality of bolts (4) being provided on the rear end of the control box (1). 31) is provided with a mounting hole one (5); the control box mounting structure also includes a mounting frame (6) and a long bolt (7), the mounting frame (6) includes a mounting plate (60) arranged in a transverse direction, the middle part of the mounting plate (60) is arched backward to form a triangular structure, and both ends of the mounting plate (60) are provided with mounting holes two (8), the long bolt (7) can pass through the mounting hole one (5) and the mounting hole two (8), and the end of the long bolt (7) is screwed with a nut (9) pressed on the mounting plate (60).

2. The control box installation structure of a power plant thermal control system according to claim 1, characterized in that: The inner wall of the control box (1) has a connecting column (10) protruding along the width direction thereof, a threaded hole (11) is provided in the connecting column (10), the threaded hole (11) passes through the outer wall of the control box (1), the threaded hole (11) is located in the positioning frame (2), the positioning portion (30) has a positioning hole (12) coaxially arranged with the threaded hole (11), and the bolt (4) passes through the positioning hole (12) and is threadedly connected to the threaded hole (11).

3. A control box installation structure for a thermal control system of a power plant according to claim 1 or 2, characterized in that: Each positioning portion (30) is fixedly connected to the control box (1) via the two bolts (4).

4. A control box installation structure for a thermal control system of a power plant according to claim 1 or 2, characterized in that: The control box (1) has positioning frames (2) on the upper and lower sides of the left and right sides, and each positioning frame (2) is provided with the right-angle connecting piece (3).

5. The control box installation structure of a power plant thermal control system according to claim 4, characterized in that: The mounting frame (6) comprises two mounting plates (60) arranged at intervals in the vertical direction, the two mounting plates (60) being connected via a connecting plate (61) arranged in the vertical direction, one of the mounting plates (60) corresponding to two right-angle connecting pieces (3) at the upper part of the control box (1), and the other mounting plate (60) corresponding to two right-angle connecting pieces (3) at the lower part of the control box (1).

6. The control box installation structure of a power plant thermal control system according to claim 5, characterized in that: At least two mounting holes (13) are vertically spaced apart on the connecting plate (61).

Images