Novel quick-acting oil pressure relay checking table
By introducing a movable component and a removable filter plate into the fast-acting hydraulic relay calibration bench, the problems of poor heat dissipation and dust accumulation are solved, achieving efficient heat dissipation and cleaning maintenance, and ensuring the stability and convenience of the equipment.
Patent Information
- Application Number
- CN202423226966.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing fast-acting hydraulic relay test bench has poor heat dissipation, which easily accumulates dust and affects the lifespan and reliability of the equipment.
The device employs a movable component to adjust the position of the cooling fan, combined with a removable filter plate design to ensure maximum heat dissipation and prevent dust from entering. Arc-shaped heat dissipation fins increase heat dissipation efficiency, and a lifting component facilitates device movement and positioning.
It achieves efficient heat dissipation and cleaning maintenance, improves the stability and reliability of the equipment, simplifies maintenance work, and extends the equipment life.
Smart Images

Figure CN223679315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a check table technical field, concretely relates to a novel quick action oil pressure relay check table. BACKGROUND
[0002] At present, in the transformer of liquid insulation used by power system, a new type of transformer oil tank pressure relay protection device, namely quick action oil pressure relay, is widely used. It is the oil tank that is used to cause the dynamic pressure increase due to the accident. The faster the oil pressure growth rate is, the more rapid the action is. Because the propagation speed of oil pressure wave in the transformer oil is extremely fast, the quick action oil pressure relay is sensitive in response, accurate in action, rapidly sends out a signal and cuts off the power supply. If the quick action oil pressure relay is installed on the transformer, once the internal malignant short circuit fault occurs, the oil tank explosion can be effectively prevented, and the safety and reliability of power equipment operation are improved.
[0003] The existing quick action oil pressure relay check table has some drawbacks, such as the heat dissipation mode of the quick action oil pressure relay check table. Most of them are only through the simple heat dissipation hole formed on the shell to dissipate heat, and the heat dissipation effect is general. If the check table is operated for a long time, a large amount of heat in the interior cannot be removed, which can easily damage the internal components, affect the use, reduce the service life of the machine, and the formation of the heat dissipation hole can also cause dust to enter the interior of the shell and accumulate on the internal electrical components. Long-term use can also damage the electrical components, which is inconvenient for people to use. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a quick action oil pressure relay check table.
[0005] The utility model discloses a quick action oil pressure relay check table, which comprises a check table body, a mounting frame, a sliding block, an installation plate, a heat dissipation fan, a moving assembly and a filter plate.
[0006] Further, the moving assembly comprises a moving motor fixedly installed on one side of the mounting frame, a moving threaded rod rotatably installed between the inner walls of the mounting frame, and the output end of the moving motor is fixedly connected with one end of the moving threaded rod, and the moving threaded rod is in threaded connection with the sliding block.
[0007] Further, the top and bottom of the mounting frame are fixedly installed with L-shaped plates, the top end and bottom end of the mounting frame are slidably inserted with clamping plates, reset springs are fixedly installed between the clamping plates and the L-shaped plates, the top and bottom of the filter plate are constructed with grooves, the clamping plates are clamped with the grooves, and auxiliary plates are fixedly installed on one side of the clamping plates.
[0008] Further, the two sides of the verification table body shell are linearly arrayed and detachably installed with heat dissipation fins.
[0009] Further, the two sides of the verification table body are fixedly installed with a plurality of positioning plates, and heat dissipation fins are inserted between every two oppositely arranged positioning plates.
[0010] Further, the four diagonal positions of the bottom of the verification table body are fixedly installed with moving wheels, and a lifting assembly is installed on the verification table body and used for lifting the verification table body.
[0011] Further, the lifting assembly comprises two air cylinders fixedly installed on the two sides of the verification table body respectively, and a supporting plate is fixedly installed between the telescopic ends of every two air cylinders.
[0012] Further, the top and bottom of the inner wall of the mounting frame are fixedly installed with fixed plates, a plurality of first springs are fixedly installed on one side of the fixed plates, a push plate is fixedly installed between the first springs, and the push plate is in contact with the filter plate.
[0013] The utility model discloses the beneficial effects are as follows:
[0014] The utility model discloses the moving assembly is responsible for driving slider left and right movement to adjust the position of heat dissipation fan, and the heat dissipation of different positions of verification table body is carried out, ensures the maximization of heat dissipation effect, and the design of filter plate considers the cleaning maintenance of equipment, it can be detachably installed on one side of mounting frame, effectively prevents dust and other impurities from entering the inside of verification table through heat dissipation hole, and the existence of filter plate not only protects internal electrical components from the damage of dust accumulation, but also simplifies cleaning and maintenance work, realizes efficient heat dissipation and cleaning maintenance, ensures the stability and reliability of equipment under long -time operation, and also improves the convenience of maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three -dimensional structure diagram of the utility model;
[0016] Figure 2 It is another three -dimensional structure diagram of the utility model;
[0017] Figure 3 It is the three -dimensional structure of the utility model Figure 2 cutaway view.
[0018] Figure 4 is the three-dimensional structure of the utility model Figure 2 cutaway view.
[0019] Reference: 1, check table body; 2, mounting frame; 3, sliding block; 4, mounting plate; 5, cooling fan; 6, moving assembly; 61, moving motor; 62, moving threaded rod; 7, filter plate; 8, L-shaped plate; 9, clamping plate; 10, return spring; 11, cooling fin; 12, positioning plate; 13, moving wheel; 14, lifting assembly; 141, air cylinder; 142, support plate; 15, fixed plate; 16, first spring; 17, push plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.
[0021] As Figures 1-4 shown, the utility model discloses an embodiment proposes a novel quick-action oil pressure relay check table, including: check table body 1;
[0022] Mounting frame 2, the mounting frame 2 fixed mounting on the heat dissipation port of the check table body 1 shell, the top of the inner wall of mounting frame 2 Slidingly installed with sliding block 3, the bottom of sliding block 3 is fixedly installed with mounting plate 4, one side of mounting plate 4 is fixedly installed with cooling fan 5;
[0023] Moving assembly 6, the moving assembly 6 is installed on the mounting frame 2, and it is used to drive the left and right movement of sliding block 3;The moving assembly 6 includes moving motor 61 fixedly installed on one side of the mounting frame 2, moving threaded rod 62 is rotatably installed between the two sides of the inner wall of the mounting frame 2, the output end of moving motor 61 is fixedly connected with one end of moving threaded rod 62, and moving threaded rod 62 is screw connected with sliding block 3.
[0024] Filter plate 7, the filter plate 7 can be detachably installed on one side of the mounting frame 2.
[0025] The installation frame 2 is fixed to the shell heat dissipation opening of the verification table body 1, the inner wall top of the installation frame 2 is provided with a sliding block 3, the bottom of the sliding block 3 is fixed with an installation plate 4, one side of the installation plate 4 is fixed with a heat dissipation fan 5, the heat dissipation fan 5 is responsible for discharging the heat generated inside the verification table, thereby effectively reducing the internal temperature, avoiding damage to the internal components due to overheating. The moving assembly 6 is responsible for driving the sliding block 3 to move left and right to adjust the position of the heat dissipation fan 5, and the heat dissipation effect of the verification table body 1 at different positions is ensured to be maximized. The moving assembly 6 includes a moving motor 61 fixedly installed on one side of the installation frame 2, and a moving threaded rod 62 rotatably installed between the inner walls of the installation frame 2. The output end of the moving motor 61 is fixedly connected with one end of the moving threaded rod 62, and the moving threaded rod 62 is threadedly connected with the sliding block 3. Such a design enables the sliding block 3 to move left and right along the inner wall of the installation frame 2 under the driving of the moving threaded rod 62, thereby adjusting the position of the heat dissipation fan 5. The filter plate 7 takes into account the cleaning and maintenance of the equipment, which can be disassembled and installed on one side of the installation frame 2, effectively preventing dust and other impurities from entering the inside of the verification table through the heat dissipation holes. The existence of the filter plate 7 not only protects the internal electrical components from damage caused by dust accumulation, but also simplifies cleaning and maintenance work. Users can easily replace or clean the filter plate 7 as needed to maintain the cleanliness of the inside of the verification table.
[0026] In summary, the new quick-action oil pressure relay verification table realizes efficient heat dissipation and cleaning and maintenance through the cooperative work of the heat dissipation fan 5, the moving assembly 6 and the filter plate 7, ensures the stability and reliability of the equipment under long-time operation, and also improves the convenience of maintenance.
[0027] As shown in Figure 4 some embodiments, the top and bottom of the installation frame 2 are fixedly installed with L-shaped plates 8, the top end and bottom end of the installation frame 2 are slidably inserted with clamping plates 9, the clamping plates 9 and the L-shaped plates 8 are fixedly installed with return springs 10, the top and bottom of the filter plate 7 are configured with recesses, the clamping plates 9 are clamped with the recesses, and one side of the clamping plates 9 is fixedly installed with auxiliary plates.
[0028] When the filter plate 7 needs to be disassembled, the auxiliary plate on the top of the installation frame 2 is lifted up. The auxiliary plate on the bottom of the installation frame 2 is pressed down, so that the clamping plate 9 connected thereto moves synchronously, extruding the return spring 10, and at the same time, the clamping plate 9 moves out of the corresponding clamping groove, thereby releasing the limiting and fixing of the filter plate 7. The filter plate 7 can be taken down for cleaning.
[0029] As shown in Figure 3 some embodiments, the two sides of the shell of the verification table body 1 are linearly arrayed and detachably installed with heat dissipation fins 11, and the heat dissipation fins 11 are arc-shaped.
[0030] The heat dissipation fins 11 increase the surface area of the outer shell to improve the heat dissipation efficiency. The arc shape and arrangement of the heat dissipation fins 11 are designed to maximize the contact area with the surrounding air, thereby improving the heat transfer efficiency.
[0031] like Figure 1 As shown, in some embodiments, multiple positioning plates 12 are fixedly installed on both sides of the calibration platform body 1, and heat dissipation fins 11 are inserted between every two opposing positioning plates 12. The ends of the heat dissipation fins 11 are attached to the surface of the outer shell.
[0032] When the heat dissipation fins 11 are needed, they can be disassembled to avoid taking up space. The heat dissipation fins 11 can be pulled directly to move one end between the two positioning plates 12. The operation is simple and convenient, making it easy for people to use.
[0033] like Figure 1 As shown, in some embodiments, casters 13 are fixedly installed at the four opposite corners of the bottom of the test bench body 1, and a lifting assembly 14 is installed on the test bench body 1 to lift the test bench body 1. The lifting assembly 14 includes two cylinders 141 fixedly installed on both sides of the test bench body 1, and a support plate 142 is fixedly installed between the extension and retraction ends of every two cylinders 141.
[0034] The movable wheels 13 allow it to be moved to a designated location, avoiding the hassle of manual handling and mechanical transportation. After being transported to the designated location, it can be raised using the lifting assembly 14 to support the calibration platform body 1. With the movable wheels 13 away from the ground, its stability during use is improved. The cylinder 141 is directly activated to drive the support plate 142 to move down to contact the ground, and then the telescopic end continues to extend to support the calibration platform body 1.
[0035] like Figure 4 As shown, in some embodiments, a fixing plate 15 is fixedly installed on the top and bottom of the inner wall of the mounting frame 2. A plurality of first springs 16 are fixedly installed on one side of the fixing plate 15. A push plate 17 is fixedly installed between the plurality of first springs 16. The push plate 17 is in contact with the filter plate 7.
[0036] When the card plate 9 is disengaged from the card slot, the rebound force generated by the compressed first spring 16 will push the filter plate 7 through the push plate 17, causing it to move directly out of the mounting frame 2. The operation is simple and convenient, making it easy to disassemble the filter plate 7.
[0037] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A novel check-up bench for quick-acting oil pressure relay, characterized in that, Include: Check the bench body (1); The mounting frame (2) is fixedly installed at the heat dissipation opening of the check bench body (1) shell, the top of the inner wall of the mounting frame (2) is slidably installed with a sliding block (3), the bottom of the sliding block (3) is fixedly installed with a mounting plate (4), and one side of the mounting plate (4) is fixedly installed with a cooling fan (5); The moving assembly (6) is installed on the mounting frame (2), which is used to drive the sliding block (3) to move left and right; The filter plate (7) is detachably installed on one side of the mounting frame (2).
2. A new type of quick action oil pressure relay checking table according to claim 1, characterized in that, The moving assembly (6) includes a moving motor (61) fixedly installed on one side of the mounting frame (2), moving screw rods (62) rotatably installed between the inner walls of the mounting frame (2), the output end of the moving motor (61) fixedly connected with one end of the moving screw rod (62), and the moving screw rod (62) in threaded connection with the sliding block (3).
3. A new type of quick action oil pressure relay checking table according to claim 1, characterized in that, The top and bottom of the mounting frame (2) are fixedly installed with L-shaped plates (8), the top and bottom of the mounting frame (2) are slidably inserted with clamping plates (9), the clamping plates (9) and the L-shaped plates (8) are fixedly installed with return springs (10), the top and bottom of the filter plate (7) are recessed, the clamping plates (9) and the clamping grooves are clamped, and one side of the clamping plate (9) is fixedly installed with an auxiliary plate.
4. A new type of quick action oil pressure relay checking table according to claim 1, characterized in that, The both sides of the check bench body (1) shell are linearly arrayed and detachably installed with heat dissipation fins (11), and the heat dissipation fins (11) are arc-shaped.
5. A novel quick operating oil pressure relay checking table according to claim 4, characterized in that, A plurality of positioning plates (12) are fixedly installed on the both sides of the check bench body (1), and heat dissipation fins (11) are inserted between every two oppositely arranged positioning plates (12).
6. A new type of quick action oil pressure relay checking table according to claim 1, characterized in that, The bottom of the check bench body (1) is fixedly installed with four moving wheels (13), and the check bench body (1) is installed with a lifting assembly (14) for lifting the check bench body (1).
7. A new type of quick action oil pressure relay checking table according to claim 6, characterized in that, The lifting assembly (14) includes two air cylinders (141) fixedly installed on the both sides of the check bench body (1), respectively, and a supporting plate (142) fixedly installed between the telescopic ends of every two air cylinders (141).
8. A new type of quick action oil pressure relay checking table according to claim 1, characterized in that, The top and bottom of the inner wall of the mounting frame (2) are fixedly installed with a fixed plate (15), one side of the fixed plate (15) is fixedly installed with a plurality of first springs (16), a push plate (17) is fixedly installed between the plurality of first springs (16), and the push plate (17) is in contact with the filter plate (7).