Electrical isolation protection device for power plant

Abstract

The utility model discloses an electrical isolation protection device for a power plant, which relates to the technical field of isolation protection equipment and comprises a stand column mechanism and at least one protection assembly. The stand column mechanism comprises at least two longitudinal stand columns. The longitudinal stand columns are arranged in parallel; the protection assembly comprises a transverse rod mechanism and a longitudinal rod mechanism. The transverse rod mechanism comprises two transverse connecting rods arranged in parallel, and the ends of the transverse connecting rods are detachably and fixedly connected with the two longitudinal stand columns. The longitudinal rod mechanism comprises a plurality of protective rods; a first telescopic rod and a second telescopic rod are arranged on the protective rod, and a plurality of inserting holes are formed in the side, close to the other transverse connecting rod, of each transverse connecting rod; the first telescopic rod of the protection rod can be fixedly inserted into one insertion hole in the transverse connecting rod located on the upper portion, and the second telescopic rod of the protection rod can be fixedly inserted into one insertion hole in the transverse connecting rod located on the lower portion. Partial replacement can be achieved, and the maintenance cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of isolation and protection equipment technology, and in particular to an electrical isolation and protection device for power plants. Background Technology

[0002] A thermal power plant, or coal-fired power plant for short, is a factory that uses combustible materials as fuel to produce electricity. Currently, the electrical equipment in a thermal power plant is mainly used to ensure the normal operation of thermal power generation. During electrical construction, isolation and protection devices are required to ensure on-site safety.

[0003] However, the protective plates in smaller isolation and protection devices are mostly fixed together as a whole structure. However, after long-term use, the protective plates may be damaged by external forces and cannot be replaced individually. This leads to the need to replace the main body, increasing maintenance costs. Utility Model Content

[0004] The purpose of this utility model is to provide an electrical isolation and protection device for power plants to solve the problems existing in the prior art, enabling partial replacement and reducing maintenance costs.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides an electrical isolation and protection device for power plants, including a column mechanism and at least one protective component; the column mechanism includes two longitudinal columns; each of the longitudinal columns is arranged in parallel, and the lower end of each longitudinal column is fixed to the ground; the protective component includes a horizontal bar mechanism and a vertical bar mechanism; the horizontal bar mechanism includes two transverse connecting rods, the two transverse connecting rods are arranged in parallel, one end of each transverse connecting rod is detachably fixedly connected to one of the longitudinal columns, and the other end of each transverse connecting rod is detachably fixedly connected to the other longitudinal column; the vertical bar mechanism includes multiple protective rods; each protective rod is provided with a first telescopic rod that can extend upward and a second telescopic rod that can extend downward, and each transverse connecting rod has multiple insertion holes on the side near the other transverse connecting rod; the first telescopic rod of the protective rod can be fixedly inserted into one of the insertion holes on the upper transverse connecting rod, and the second telescopic rod of the protective rod can be fixedly inserted into one of the insertion holes on the lower transverse connecting rod.

[0007] Preferably, the lateral connecting rod is a telescopic rod.

[0008] Preferably, the longitudinal column includes a lifting box, a lifting rod, and a lifting device; the lower end of the lifting box is fixed to the ground; the lifting box has a vertical groove; the lifting rod is slidably disposed in the vertical groove; the output end of the lifting device is connected to the lifting rod, and the output end of the lifting device can drive the lifting rod to move up and down in the vertical direction; the number of protective components is at least two, one of which has its end detachably fixedly connected to the lifting box of the corresponding longitudinal column; and the other of which has its end detachably fixedly connected to the lifting rod of the corresponding longitudinal column.

[0009] Preferably, the transverse connecting rod includes a crossbar and an extension rod; the crossbar has an extension groove, the extension rod is slidably disposed in the extension groove, and one end of the extension rod can extend out from the crossbar; both the crossbar and the extension rod are provided with a plurality of the insertion holes on the side near the other transverse connecting rod.

[0010] Preferably, a fixing box is fixed to the side wall of the protective rod, the fixing box has a through telescopic groove, and the side wall of the fixing box has a through hole communicating with the telescopic groove; the first telescopic rod and the second telescopic rod are both slidably disposed in the telescopic groove, and an elastic element is disposed between the first telescopic rod and the second telescopic rod; a first pressing rod is fixed to one end of the first telescopic rod near the second telescopic rod, and the first pressing rod extends out of the through hole; a second pressing rod is fixed to one end of the second telescopic rod near the first telescopic rod, and the second pressing rod extends out of the through hole; the elastic element is in a compressed state, and the upper end of the first telescopic rod extending out of the telescopic groove can be fixedly inserted into one of the insertion holes of the upper transverse connecting rod; the lower end of the second telescopic rod extending out of the telescopic groove can be fixedly inserted into one of the insertion holes of the lower transverse connecting rod.

[0011] Preferably, the lifting box has a through U-shaped groove on the side wall near the other longitudinal column, and the U-shaped groove communicates with the vertical slide groove; a screw that rotates around a vertical axis is provided in the vertical slide groove, and a threaded hole is provided on the lifting rod, and the screw is threaded into the threaded hole; the lifting device is a motor, and the output shaft of the motor is fixedly connected to the lower end of the screw.

[0012] Preferably, the end of the transverse connecting rod is connected to the longitudinal column via a connector; the connector is used to be fixedly mounted on the longitudinal column; the connector includes a connecting block, the connecting block is provided with a support groove, a limiting plug is provided in the support groove, the end of the transverse connecting rod is provided with a limiting connection hole, the end of the transverse connecting rod is used to be placed in the support groove, and the limiting plug can be inserted into the limiting connection hole to fix the transverse connecting rod to the connector.

[0013] Preferably, a sliding adjustment groove is provided on the side of the crossbar and the extension rod with the insertion hole, and a plurality of sliders are slidably disposed in the sliding adjustment groove. Each slider has a through hole. Each insertion hole is located at the bottom of the sliding adjustment groove. The first telescopic rod and the second telescopic rod of the protective rod can both pass through the through hole of one of the sliders and be inserted and fixed in one of the insertion holes.

[0014] Preferably, a locking through hole communicating with the extension groove is provided on the side wall of the crossbar; a locking rod is inserted through the locking through hole; the locking rod has a first end and a second end, the first end protruding from the locking through hole and located in the extension groove, and the second end protruding from the locking through hole; a locking spring is sleeved on the portion of the locking rod outside the crossbar, one end of the locking spring is fixedly connected to the outer side wall of the crossbar, and the other end of the locking spring is fixedly connected to the second end; a plurality of limiting locking holes are provided on the side wall of the extension rod, and each of the limiting locking holes is arranged sequentially along the sliding direction of the extension rod in the extension groove; in its natural state, the first end can be inserted into one of the limiting locking holes.

[0015] Preferably, the limiting insert includes a connecting rod, a limiting insert rod, and an insert rod spring; a bracket is fixedly provided on the connecting block, and a through sliding hole is opened on the bracket, the connecting rod being slidably disposed in the sliding hole; an insert rod sliding hole communicating with the support groove is opened on the connecting block, the limiting insert rod being slidably disposed in the insert rod sliding hole; the portion of the limiting insert rod located outside the support groove is fixedly connected to the connecting rod; the insert rod spring passes through the connecting rod, one end of the insert rod spring is connected to the bracket, and the other end of the insert rod spring is connected to the connecting rod; in a natural state, the insert rod spring enables the end of the limiting insert rod to be inserted and fixed in the limiting connection hole of the transverse connecting rod located in the support groove.

[0016] The present invention achieves the following technical advantages over the prior art:

[0017] The power plant electrical isolation and protection device provided by this utility model features a detachable design for each component, allowing for individual replacement of certain parts. In the horizontal bar mechanism of the protection assembly, two horizontal connecting rods are detachably fixed to two longitudinal columns. This allows for easy replacement of the entire protection assembly when problems arise, such as damage to multiple components in the horizontal or vertical bar mechanism. The horizontal connecting rods can be removed from the longitudinal columns, enabling direct replacement of the entire protection assembly without requiring extensive disassembly and replacement of the entire isolation and protection device, thus reducing maintenance workload and costs. The protective rods of the vertical bar mechanism are fixed by inserting a first telescopic rod and a second telescopic rod into the insertion holes of the upper and lower horizontal connecting rods, respectively. When a protective rod is damaged, it can be replaced individually by simply pulling out the first and second telescopic rods from their corresponding insertion holes, without affecting other protective rods or the structural stability of the entire protection device. Since the entire vertical bar mechanism or other unrelated components do not need to be replaced, maintenance costs are further reduced. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the overall structure of the power plant electrical isolation and protection device provided by this utility model;

[0020] Figure 2 Exploded view of a portion of the longitudinal column in the power plant electrical isolation and protection device provided by this utility model;

[0021] Figure 3 A schematic diagram of the connector in the power plant electrical isolation and protection device provided by this utility model;

[0022] Figure 4 A schematic diagram of the cooperation structure between the transverse connecting rod and the protective rod in a semi-sectional state in the power plant electrical isolation and protection device provided by this utility model;

[0023] Figure 5 A schematic diagram of the protective rod in the power plant electrical isolation and protection device provided by this utility model;

[0024] Figure 6 for Figure 4 A magnified view of a portion of point A in the middle.

[0025] In the picture:

[0026] 10-Vertical column; 11-Lifting box; 12-Lifting rod; 13-Motor; 14-Screw; 15-Guide plate; 16-Vertical slide rail;

[0027] 20-Horizontal connecting rod; 21-Horizontal bar; 22-Extension rod; 23-Insertion hole; 24-Sliding adjustment groove; 25-Slider; 26-Locking rod; 27-Locking spring; 28-Limit locking hole;

[0028] 30-Connector; 31-Support slot; 32-Limiting rod; 33-Linking rod; 34-Bracket; 35-Rod spring;

[0029] 40 - Protective rod; 41 - Fixing box; 42 - First telescopic rod; 43 - Second telescopic rod; 44 - Elastic element; 45 - First pressing rod; 46 - Second pressing rod. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] The purpose of this utility model is to provide an electrical isolation and protection device for power plants to solve the problems existing in the prior art, enabling partial replacement and reducing maintenance costs.

[0032] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Example 1

[0034] This embodiment provides an electrical isolation and protection device for power plants, such as... Figures 1-6As shown, the system includes a column mechanism and at least one protective component. The column mechanism includes at least two longitudinal columns 10 (e.g., three longitudinal columns 10 may be provided, with multiple protective components between each pair of adjacent longitudinal columns 10). The longitudinal columns 10 are arranged in parallel, and the lower end of each longitudinal column 10 is used to fix it to the ground. The protective component includes a crossbar 21 mechanism and a longitudinal bar mechanism. The crossbar 21 mechanism includes two transverse connecting rods 20, which are arranged in parallel. One end of each transverse connecting rod 20 is detachably fixed to one of the longitudinal columns 10, and the other end of each transverse connecting rod 20 is also fixed to the other longitudinal column 10. One end is detachably fixedly connected to another longitudinal column 10; the longitudinal rod mechanism includes multiple protective rods 40; the protective rods 40 are provided with a first telescopic rod 42 that can extend upward and a second telescopic rod 43 that can extend downward, and the transverse connecting rods 20 are provided with multiple insertion holes 23 on the side near the other transverse connecting rod 20; the first telescopic rod 42 of the protective rod 40 can be fixedly inserted into a insertion hole 23 on the upper transverse connecting rod 20, and the second telescopic rod 43 of the protective rod 40 can be fixedly inserted into a insertion hole 23 on the lower transverse connecting rod 20.

[0035] The detachable design of each component allows for individual replacement of certain parts. In the crossbar 21 mechanism of the protective assembly, the two transverse connecting rods 20 are detachably fixed to the two longitudinal columns 10. This allows for easy replacement of the entire protective assembly when problems arise, such as damage to multiple components in the crossbar 21 mechanism or the longitudinal rod mechanism. The transverse connecting rods 20 can be removed from the longitudinal columns 10, allowing for direct replacement of the entire protective assembly without the need for large-scale disassembly and replacement of the entire isolation and protection device, thus reducing maintenance workload and costs. The protective rods 40 of the longitudinal rod mechanism are fixed by inserting the first telescopic rod 42 and the second telescopic rod 43 into the insertion holes 23 of the upper and lower transverse connecting rods 20, respectively. When a protective rod 40 is damaged, it can be replaced individually by simply pulling out the first telescopic rod 42 and the second telescopic rod 43 from their corresponding insertion holes 23, without affecting the structural stability of other protective rods 40 or the entire protective device. Since the entire longitudinal rod mechanism or other unrelated components do not need to be replaced, maintenance costs are reduced.

[0036] The following are the relevant specifications regarding the column support mechanism:

[0037] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 2As shown, the longitudinal column 10 includes a lifting box 11, a lifting rod 12, and a lifting device. The lower end of the lifting box 11 is fixed to the ground. The lifting box 11 has a vertical slide groove 16. The lifting rod 12 is slidably disposed in the vertical slide groove 16. The output end of the lifting device is connected to the lifting rod 12, and the output end of the lifting device can drive the lifting rod 12 to rise and fall vertically. There are at least two protective components, one of which is detachably and fixedly connected at its end to the corresponding lifting box 11 of the longitudinal column 10, and the other is detachably and fixedly connected at its end to the corresponding lifting rod 12 of the longitudinal column 10. Multiple protective components are connected to the lifting box 11 and the lifting rod 12 respectively, and the number of protective components is at least two. This allows for flexible selection of protective components of different heights for installation according to the distribution and spatial layout of electrical equipment on site, to better adapt to different isolation and protection needs, and to achieve effective isolation and protection of electrical equipment.

[0038] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 2 As shown, a through U-shaped groove is provided on the side wall of the lifting box 11 near the other longitudinal column 10, and the U-shaped groove communicates with the vertical slide 16; a screw 14 rotating about the vertical axis is provided in the vertical slide 16, and a threaded hole is provided on the lifting rod 12, with the screw 14 threadedly connected in the threaded hole; the lifting device is a motor 13, and the output shaft of the motor 13 is fixedly connected to the lower end of the screw 14. The screw 14 is driven to rotate by the motor 13, and the screw 14 engages with the threaded hole on the lifting rod 12, so that the lifting rod 12 can rise and fall smoothly in the vertical direction. This threaded transmission method can achieve relatively precise height adjustment, and the protective device can be adjusted to a specific height according to actual needs to better adapt to the protection requirements of different electrical equipment.

[0039] Specifically, guide plates 15 are fixed on both sides of the lifting rod 12, and vertical guide grooves are provided in the vertical slide groove 16 corresponding to the positions of each guide plate 15.

[0040] Specifically, the lifting box 11 includes mounting feet and a lifting body; the mounting feet are fixed to the lower end of the lifting body, and the mounting feet are provided with an installation space for mounting the motor 13 at the position below the lifting body; the mounting feet are provided with side connecting plates on both sides for fixed connection with the ground.

[0041] Specifically, the lifting body is fixedly installed by the side connecting plate of the mounting foot, and at the same time, the motor 13 drives the screw 14 to rotate. Due to the cooperation between the screw 14 and the threaded hole of the lifting rod 12, the height of the horizontal connecting rod 20 and the protective rod 40 connected to the lifting rod 12 can be adjusted.

[0042] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1and Figure 3 As shown, the end of the transverse connecting rod 20 is connected to the longitudinal column 10 via a connector 30; the connector 30 is used to fix it on the longitudinal column 10; the connector 30 includes a connecting block, a mounting groove 31 is provided on the connecting block, a limiting plug is provided in the mounting groove 31, the end of the transverse connecting rod 20 is provided with a limiting connection hole, the end of the transverse connecting rod 20 is used to be placed in the mounting groove 31, and the limiting plug can be inserted into the limiting connection hole to fix the transverse connecting rod 20 and the connector 30. By setting a mounting groove 31 on the connecting block of connector 30, placing the end of the transverse connecting rod 20 in it, and then using a limiting plug to insert into the limiting connection hole at the end of the transverse connecting rod 20, a stable connection between the transverse connecting rod 20 and the longitudinal column 10 is achieved. This connection method can effectively prevent the transverse connecting rod 20 from shaking, displacing, or falling off during use, ensuring the overall structural stability of the protective device and thus reliably playing its isolation and protection role. During installation, simply place the end of the transverse connecting rod 20 into the mounting groove 31 and then insert the limiting plug to complete the connection. During disassembly, pull out the limiting plug to remove the transverse connecting rod 20 from the mounting groove 31. Compared with some complex connection methods, this connector 30 greatly simplifies the assembly and disassembly process of the protective device, improves work efficiency, and facilitates rapid installation and subsequent maintenance and replacement work at the power plant site.

[0043] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 3As shown, the limiting plug includes a connecting rod 33, a limiting insert rod 32, and an insert rod spring 35; a bracket 34 is fixedly mounted on the connecting block, and a through sliding hole is opened on the bracket 34, in which the connecting rod 33 is slidably disposed; an insert rod sliding hole communicating with the support groove 31 is opened on the connecting block, and the limiting insert rod 32 is slidably disposed in the insert rod sliding hole; the portion of the limiting insert rod 32 located outside the support groove 31 is fixedly connected to the connecting rod 33; the insert rod spring 35 passes through the connecting rod 33, one end of the insert rod spring 35 is connected to the bracket 34, and the other end of the insert rod spring 35... The connecting rod 33 is connected to the linkage rod 33 (the two ends of the linkage rod 33 are the third end and the fourth end, respectively. The third end is fixedly connected to the limiting rod 32. The rod spring 35 can be inserted through the linkage rod 33 between the third end and the bracket 34, or it can be inserted through the linkage rod 33 between the fourth end and the bracket 34). In the natural state, the rod spring 35 can make the end of the limiting rod 32 inserted and fixed in the limiting connection hole of the transverse connecting rod 20 located in the support groove 31 (that is, in the natural state, the limiting rod 32 is locked to the transverse connecting rod 20). In the natural state, the elastic force of the rod spring 35 will make the end of the limiting rod 32 automatically inserted and fixed in the limiting connection hole of the transverse connecting rod 20, without the need for manual operation to ensure the stability of the connection. This not only improves the installation efficiency, but also ensures the accuracy and reliability of each connection, making the connection between the transverse connecting rod 20 and the connector 30 tighter and more stable, effectively preventing the connection from loosening due to external force.

[0044] The following are the settings instructions for the protective components:

[0045] Specifically, multiple protective components can be installed on the two longitudinal columns 10, such as... Figure 1 As shown, a total of three protective components are provided. The two protective components on both sides are connected to the lifting boxes 11 of the two longitudinal columns 10 and do not move with the lifting rod 12. The middle protective component is connected to the lifting rod 12 of the two longitudinal columns 10. The lifting rod 12 moves the middle protective component to move up and down with it, thereby adjusting the height.

[0046] The following are the relevant settings for the crossbar 21 mechanism in the protective assembly:

[0047] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 4 As shown, the horizontal connecting rod 20 is a telescopic rod. The telescopic rod can be adjusted in length according to the actual size of the protected area, which can adapt to the installation requirements of electrical equipment of different sizes or columns with different spacing, thus improving the versatility and applicability of the protective device.

[0048] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1and Figure 4 As shown, the transverse connecting rod 20 includes a crossbar 21 and an extension rod 22. The crossbar 21 has an extension groove, and the extension rod 22 is slidably disposed within the extension groove, with one end of the extension rod 22 extending out from the crossbar 21. Multiple insertion holes 23 are provided on the side of both the crossbar 21 and the extension rod 22 near the other transverse connecting rod 20. By sliding the extension rod 22 within the extension groove of the crossbar 21, the overall length of the transverse connecting rod 20 can be flexibly changed to adapt to different installation spaces and protection area sizes. For example, when it is necessary to isolate a large area of ​​electrical equipment, the extension rod 22 can be pulled out from the crossbar 21, increasing the length of the transverse connecting rod 20, thereby better achieving the isolation and protection function. The multiple insertion holes 23 increase the number of connection points between the transverse connecting rods 20 for the protective rod 40.

[0049] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 4 As shown, a locking through hole communicating with the extension groove is provided on the side wall of the crossbar 21; a locking rod 26 is inserted through the locking through hole; the locking rod 26 has a first end and a second end, the first end protruding out of the locking through hole and located in the extension groove, and the second end protruding out of the locking through hole; a locking spring 27 is sleeved on the part of the locking rod 26 located outside the crossbar 21, one end of the locking spring 27 is fixedly connected to the outer side wall of the crossbar 21, and the other end of the locking spring 27 is fixedly connected to the second end; a plurality of limiting locking holes 28 are provided on the side wall of the extension rod 22, and each limiting locking hole 28 is arranged sequentially along the sliding direction of the extension rod 22 in the extension groove; in the natural state, the first end can be inserted into a limiting locking hole 28. When the length of the extension rod 22 needs to be adjusted, simply overcome the elastic force of the locking spring 27 to pull the second end of the locking rod 26, causing the first end to disengage from the current limiting locking hole 28. Then slide the extension rod 22 to the appropriate position and release the locking rod 26. Under the action of the locking spring 27, the first end will automatically insert into the corresponding limiting locking hole 28 to complete the fixation. The entire operation is simple and convenient, requiring no complicated tools or cumbersome operations, making it easy for staff to quickly adjust the size of the protective device on site.

[0050] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 4As shown, both the crossbar 21 and the extension rod 22 have sliding adjustment grooves 24 on the side with insertion holes 23. Multiple sliders 25 are slidably mounted within the sliding adjustment grooves 24, each slider 25 having a through hole. Each insertion hole 23 is located at the bottom of the sliding adjustment groove 24. The first telescopic rod 42 and the second telescopic rod 43 of the protective rod 40 can both pass through the through hole of a slider 25 and be inserted and fixed within that insertion hole 23. The sliders 25 can slide within the sliding adjustment grooves 24, allowing the protective rod 40 to be installed at different positions on the crossbar 21 and the extension rod 22 via the sliders 25. This allows for flexible adjustment of the layout of the protective rod 40 according to the specific shape and size of the electrical equipment and the different areas requiring protection, thus achieving better comprehensive protection for the electrical equipment.

[0051] The following are the relevant specifications regarding the longitudinal bar mechanism in the protective assembly:

[0052] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 and Figure 5 As shown, a fixing box 41 is fixed to the side wall of the protective rod 40. The fixing box 41 has a through telescopic groove, and a through hole communicating with the telescopic groove is opened on the side wall of the fixing box 41. The first telescopic rod 42 and the second telescopic rod 43 are both slidably arranged in the telescopic groove. An elastic element 44 is provided between the first telescopic rod 42 and the second telescopic rod 43. A first pressing rod 45 is fixed to one end of the first telescopic rod 42 near the second telescopic rod 43. The first pressing rod 45 extends out of the through hole. A second pressing rod 46 is fixed to one end of the second telescopic rod 43 near the first telescopic rod 42. The second pressing rod 46 extends out of the through hole. The elastic element 44 is in a compressed state (it can be a spring). The upper end of the first telescopic rod 42 extending out of the telescopic groove can be fixedly inserted into a hole 23 of the upper horizontal connecting rod 20. The lower end of the second telescopic rod 43 extending out of the telescopic groove can be fixedly inserted into a hole 23 of the lower horizontal connecting rod 20. By pressing the first pressing rod 45 and the second pressing rod 46, the extension length of the first telescopic rod 42 and the second telescopic rod 43 can be easily adjusted so that they can be inserted into the insertion holes 23 of the upper and lower transverse connecting rods 20 respectively for fixation. The installation process is simple and quick. When disassembling, simply press the pressing rod again to retract the telescopic rod, and the protective rod 40 can be easily removed from the transverse connecting rod 20, which facilitates the maintenance, replacement of parts or rearrangement of the protective device.

[0053] Regarding other relevant explanations:

[0054] Specifically, the working principle of the power plant electrical isolation and protection device in this embodiment is explained as follows:

[0055] A longitudinal column 10 is fixed at a designated position on the ground. The length of the transverse connecting rod 20 is adjusted according to the protection length to expand the transverse area of ​​the power plant's electrical isolation protection. The length of the transverse connecting rod 20 is locked using the locking rod 26, and another longitudinal column 10 is fixed. The distance between two adjacent protective rods 40 is adjusted as needed, and the protective rod 40 is fixedly connected to the two transverse connecting rods 20. As needed, the lifting rod 12 is controlled by the motor 13 to adjust the height of the protective component. When a protective rod 40 is damaged, the first pressing rod 45 and the second pressing rod 46 on the protective rod 40 are pulled, causing the corresponding ends of the first telescopic rod 42 and the second telescopic rod 43 to retract and disengage from the transverse connecting rod 20, thus completing the removal of the damaged protective rod 40. A new protective rod 40 is then installed in the removed position.

[0056] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An electrical isolation and protection device for power plants, characterized in that: Includes a column mechanism and at least one protective component; The column mechanism includes at least two longitudinal columns; each of the longitudinal columns is arranged in parallel, and the lower end of each longitudinal column is used to fix it to the ground; The protective assembly includes a horizontal bar mechanism and a vertical bar mechanism; the horizontal bar mechanism includes two horizontal connecting rods, which are arranged in parallel, one end of which is detachably and fixedly connected to one of the vertical columns, and the other end of which is detachably and fixedly connected to the other vertical column. The longitudinal rod mechanism includes multiple protective rods; each protective rod is provided with a first telescopic rod that can extend upwards and a second telescopic rod that can extend downwards, and each transverse connecting rod is provided with multiple insertion holes on the side near the other transverse connecting rod; the first telescopic rod of the protective rod can be fixedly inserted into one of the insertion holes on the upper transverse connecting rod, and the second telescopic rod of the protective rod can be fixedly inserted into one of the insertion holes on the lower transverse connecting rod.

2. The power plant electrical isolation and protection device according to claim 1, characterized in that: The lateral connecting rod is a telescopic rod.

3. The power plant electrical isolation and protection device according to claim 1, characterized in that: The longitudinal column includes a lifting box, a lifting rod, and a lifting device; The lower end of the lifting box is used to fix it to the ground; the lifting box has a vertical sliding groove; The lifting rod is slidably disposed within the vertical groove in the vertical direction; The output end of the lifting device is connected to the lifting rod, and the output end of the lifting device can drive the lifting rod to move up and down in the vertical direction; The number of protective components is at least two, one of which has an end that is detachably and fixedly connected to the lifting box of the corresponding longitudinal column; and the other of which has an end that is detachably and fixedly connected to the lifting rod of the corresponding longitudinal column.

4. The power plant electrical isolation and protection device according to claim 2, characterized in that: The transverse connecting rod includes a crossbar and an extension rod; The crossbar has an extension groove, the extension rod is slidably disposed in the extension groove, and one end of the extension rod can extend out from the crossbar; The crossbar and the extension bar are each provided with a plurality of the aforementioned insertion holes on the side near the other transverse connecting bar.

5. The power plant electrical isolation and protection device according to claim 1, characterized in that: A fixing box is fixed to the side wall of the guard rod. The fixing box has a through telescopic groove, and the side wall of the fixing box has a through hole communicating with the telescopic groove. Both the first telescopic rod and the second telescopic rod are slidably disposed within the telescopic groove, and an elastic element is provided between the first telescopic rod and the second telescopic rod; A first pressing rod is fixed to one end of the first telescopic rod near the second telescopic rod, and the first pressing rod extends out of the through hole; a second pressing rod is fixed to one end of the second telescopic rod near the first telescopic rod, and the second pressing rod extends out of the through hole; The elastic element is in a compressed state, and the upper end of the first telescopic rod extending out of the telescopic groove can be fixedly inserted into one of the holes of the upper transverse connecting rod; the lower end of the second telescopic rod extending out of the telescopic groove can be fixedly inserted into one of the holes of the lower transverse connecting rod.

6. The power plant electrical isolation and protection device according to claim 3, characterized in that: A through U-shaped groove is provided on the side wall of the lifting box near the other longitudinal column, and the U-shaped groove is connected to the vertical sliding groove; A screw that rotates around a vertical axis is provided in the vertical groove, and a threaded hole is provided on the lifting rod, with the screw threadedly connected in the threaded hole; the lifting device is a motor, and the output shaft of the motor is fixedly connected to the lower end of the screw.

7. The power plant electrical isolation and protection device according to claim 1, characterized in that: The end of the transverse connecting rod is connected to the longitudinal column via a connector; The connector is used to be fixedly mounted on the longitudinal column; The connector includes a connecting block with a mounting groove. A limiting plug is provided in the mounting groove. A limiting connection hole is provided at the end of the transverse connecting rod. The end of the transverse connecting rod is used to be placed in the mounting groove, and the limiting plug can be inserted into the limiting connection hole to fix the transverse connecting rod to the connector.

8. The power plant electrical isolation and protection device according to claim 4, characterized in that: Both the crossbar and the extension bar have a sliding adjustment groove on the side with the insertion hole. Multiple sliders are slidably arranged in the sliding adjustment groove, and each slider has a through hole. Each of the aforementioned insertion holes is located at the bottom of the sliding adjustment groove; the first telescopic rod and the second telescopic rod of the protective rod can both pass through the through hole of one of the sliders and be inserted and fixed in one of the insertion holes.

9. The power plant electrical isolation and protection device according to claim 4, characterized in that: A locking through hole communicating with the extension groove is provided on the side wall of the crossbar; a locking rod is inserted through the locking through hole; The locking rod has a first end and a second end. The first end protrudes through the locking hole and is located in the extension groove, and the second end protrudes through the locking hole. A locking spring is sleeved on the portion of the locking rod located outside the crossbar. One end of the locking spring is fixedly connected to the outer wall of the crossbar, and the other end of the locking spring is fixedly connected to the second end. The side wall of the extension rod is provided with a plurality of limiting locking holes, and each of the limiting locking holes is arranged sequentially along the sliding direction of the extension rod in the extension groove; in the natural state, the first end can be inserted into one of the limiting locking holes.

10. The power plant electrical isolation and protection device according to claim 7, characterized in that: The limiting plug includes a linkage rod, a limiting insert rod, and an insert rod spring; A bracket is fixedly installed on the connecting block, and a through sliding hole is opened on the bracket. The connecting rod is slidably installed in the sliding hole. A rod insertion hole communicating with the support groove is opened on the connecting block, and the limiting rod is slidably installed in the rod insertion hole. The portion of the limiting rod located outside the support groove is fixedly connected to the connecting rod. The insert spring passes through the connecting rod, one end of the insert spring is connected to the bracket, and the other end of the insert spring is connected to the connecting rod; In its natural state, the insert spring enables the end of the limiting insert to be inserted and fixed in the limiting connection hole of the transverse connecting rod located in the resting groove.

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