Comprehensive test bench for electrical performance of low-voltage switch cabinet

Abstract

The utility model discloses a low voltage switch cabinet electrical performance comprehensive test bench, comprising a bench body, the left and right sides of the bench body are both fixedly provided with a shielding plate, the rear of the shielding plate is provided with a shielding mechanism, the shielding mechanism comprises a shielding cloth, a rotating rod and a fixed frame, one end of the shielding cloth far away from the fixed frame is fixedly provided with a round rod, and the round rod is provided with a rotating shaft. A shifting piece is fixed to the outer side wall of the round rod, a limiting mechanism is arranged in the round rod, and the limiting mechanism comprises two tooth blocks, two connecting rods and two ejector blocks. According to the electrical performance comprehensive test bench for the low-voltage switch cabinet, the shielding mechanism is arranged, the round rod is pulled, the round rod drives the shielding cloth to move, and the shielding cloth and the round ball move in the limiting groove and the round groove respectively, so that the shielding cloth can shield the bench body, dust can be prevented from falling on the bench body, and cleaning by people is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of comprehensive test benches, in particular to a comprehensive test bench for electrical performance of a low-voltage switch cabinet. Background Art

[0002] The electrical performance comprehensive test is to test and verify the insulation performance, electrical characteristics and mechanical properties of each electrical equipment in the electrical system in accordance with the relevant provisions of standards, regulations and specifications before the electrical system and electrical equipment are put into use, in order to determine whether there are any quality problems in installation or manufacturing, and to determine whether the newly installed or operating electrical equipment can be put into operation normally. With the development of science and technology in my country and the rapid development of industrial production, low-voltage switchgear has become an important part of the development of all walks of life. Before the low-voltage switchgear is put into use, it is often necessary to check it on the electrical performance comprehensive test bench. Through these tests and verifications, defects, errors and quality problems during manufacturing and installation can be discovered and eliminated in a timely manner to ensure normal operation.

[0003] After searching, the existing patent (publication number: CN219224954U) discloses a low-voltage switch cabinet electrical performance comprehensive test bench, which belongs to the field of electrical technology, including a fixed box, an operating frame is fixed on the top of the fixed box, a through hole is opened on the top of the operating frame, a fixed disk is rotatably connected inside the through hole, and a limit plate is symmetrically arranged on the fixed disk, a worm gear is rotatably connected between the limit plates, an operating table is fixed on the top of the worm gear, a limit ring is fixed on the outside of the fixed disk, and the limit ring is slidably connected to the through hole, a support frame is fixed on the bottom of the fixed disk, a worm is rotatably connected inside the support frame, and the worm is meshed with the worm gear, and universal wheels are evenly arranged on the bottom of the fixed box. The utility model achieves the purpose of adjusting the operating table to a suitable angle to facilitate the staff to conduct comprehensive tests, improves the flexibility of the low-voltage switch cabinet electrical performance comprehensive test bench, and thus meets the use needs of the staff.

[0004] The height and angle of the operating table can be adjusted, but it has a disadvantage that there is no dust-proof mechanism on its surface, so dust will fall when the device is not in use, and it needs to be cleaned by someone, which is more troublesome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a low-voltage switch cabinet electrical performance comprehensive test bench, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a low-voltage switch cabinet electrical performance comprehensive test bench, including a platform body, with shielding plates fixed on both sides of the left and right sides of the platform body, a shielding mechanism is provided behind the shielding plate, the shielding mechanism includes a shielding cloth, a rotating rod and a fixed frame, a round rod is fixed to the end of the shielding cloth away from the fixed frame, a paddle is fixed to the outer wall of the round rod, a limiting mechanism is provided inside the round rod, and the limiting mechanism includes two tooth blocks, two connecting rods and two top blocks.

[0007] Preferably, limiting grooves are provided on opposite sides of the two shielding plates, and circular grooves are provided inside the two limiting grooves toward the back sides. Multiple round beads are fixed on both sides of the left and right sides of the shielding cloth, and the round beads are located inside the circular grooves. The end of the shielding cloth away from the round rod passes through the fixing frame and the outer wall of the rotating rod to be fixedly connected.

[0008] Preferably, both ends of the rotating rod are rotatably connected to the left and right sides of the interior of the fixed frame respectively, two clockwork springs are fixed to the outer side wall of the rotating rod, and the other end of the clockwork spring is fixedly connected to the inner side wall of the fixed frame.

[0009] Preferably, the outer wall of the round rod is provided with two fixing holes, the connecting rod is located inside the fixing hole, the outer wall of the connecting rod is slidably connected with a fixing plate, the outer wall of the fixing plate is fixedly connected to the inner wall of the fixing hole, the two ends of the connecting rod are respectively fixedly connected to the top block and the tooth block, the outer side of the connecting rod is located between the top block and the fixing plate and a first spring is sleeved, and a tooth groove is provided inside the limiting groove.

[0010] Preferably, two round holes are opened inside the round rod, a second spring is fixed inside the round hole, a push rod is fixed to the other end of the second spring, and a pull rope is fixed between the two push rods.

[0011] Preferably, a pressure hole is opened on the front surface of the paddle, the other end of the pressure hole passes through the round rod, a pressure rod is provided inside the pressure hole, a pressure block is fixed to the front end of the pressure rod, and the pull rope passes through the pressure rod.

[0012] The utility model provides a low-voltage switch cabinet electrical performance comprehensive test bench. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The low-voltage switchgear electrical performance comprehensive test bench is equipped with a shielding mechanism. The round rod is pulled, and the round rod moves with the shielding cloth. The shielding cloth and the round beads move inside the limit groove and the round groove respectively, so that the shielding cloth can cover the table body, which can prevent dust from falling on the table body and reduce the need for people to clean.

[0014] 2. The comprehensive test bench for electrical performance of low-voltage switchgear is provided with a limit mechanism. The pressure block is pressed, and the pressure block pushes the pressure rod to move. The pressure rod pulls the pull rope, and the pull rope pulls the top rod, and the top rod moves. In this way, the first spring pushes the top block, the connecting rod and the tooth block to move, and the tooth block and the tooth groove are separated. In this way, the round rod and the cover cloth can be pulled to move, and the pressure block is released. In this way, the second spring pushes the top rod to move, and the top rod can return the top block, the connecting rod and the tooth block to their original position, and the tooth block is stuck in the tooth groove. In this way, the movement of the round rod and the cover cloth can be limited, and the area covered by the cover cloth can be controlled. When used in the sun, it can be used for sunshade, which is convenient for viewing the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the cover cloth in the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of a round rod in the utility model;

[0018] Figure 4 It is a side view structural schematic diagram of the shield in the utility model;

[0019] Figure 5 For this utility model Figure 4 The structural diagram at A in the middle;

[0020] Figure 6 It is a schematic cross-sectional structure diagram of the fixing frame in the utility model.

[0021] In the figure: 1, platform; 2, round rod; 3, shielding plate; 4, shielding cloth; 5, shielding mechanism; 6, round ball; 7, round hole; 8, top block; 9, fixing plate; 10, tooth block; 11, pull rope; 12, pressure block; 13, pressure hole; 14, pressure rod; 15, paddle; 16, second spring; 17, top rod; 18, fixing hole; 19, connecting rod; 20, limiting mechanism; 21, first spring; 22, round groove; 23, limiting groove; 24, tooth groove; 25, rotating rod; 26, fixing frame; 27, clockwork spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6The utility model provides a technical solution: a comprehensive test bench for electrical performance of a low-voltage switch cabinet, comprising a platform body 1, shielding plates 3 are fixed on both sides of the left and right sides of the platform body 1, a shielding mechanism 5 is arranged behind the shielding plates 3, the shielding mechanism 5 comprises a shielding cloth 4, a rotating rod 25 and a fixed frame 26, a round rod 2 is fixed to one end of the shielding cloth 4 away from the fixed frame 26, a paddle 15 is fixed to the outer wall of the round rod 2, a limiting mechanism 20 is arranged inside the round rod 2, the limiting mechanism 20 comprises two tooth blocks 10, two connecting rods 19 and two top blocks 8, limiting grooves 23 are arranged on opposite sides of the two shielding plates 3, circular grooves 22 are arranged inside the two limiting grooves 23 to the back side, a plurality of round beads 6 are fixed on both sides of the left and right sides of the shielding cloth 4, the round beads 6 are arranged inside the circular grooves 22, the end of the shielding cloth 4 away from the round rod 2 passes through the fixed frame 26 and the outer wall of the rotating rod 25 and is fixedly connected, and the two ends of the rotating rod 25 are respectively connected to the fixed The left and right sides of the interior of the fixed frame 26 are rotatably connected, and two springs 27 are fixed to the outer wall of the rotating rod 25, and the other end of the spring 27 is fixedly connected to the inner wall of the fixed frame 26. The outer wall of the round rod 2 is provided with two fixing holes 18, and the connecting rod 19 is located inside the fixing hole 18. The outer wall of the connecting rod 19 is slidably connected with a fixing plate 9, and the outer wall of the fixing plate 9 is fixedly connected to the inner wall of the fixing hole 18. The two ends of the connecting rod 19 are respectively fixedly connected to the top block 8 and the tooth block 10, and the outer side of the connecting rod 19 is located between the top block 8 and the fixing plate 9 and is sleeved with a first spring 21. The inside of the limiting groove 23 is provided with a tooth groove 24. The round rod 2 is pulled, and the round rod 2 moves with the cover cloth 4, and the cover cloth 4 and the round ball 6 move inside the limiting groove 23 and the circular groove 22 respectively, so that the cover cloth 4 can cover the platform body 1, which can prevent dust from falling on the platform body 1 and reduce the need for people to clean.

[0024] Furthermore, two round holes 7 are provided inside the round rod 2, a second spring 16 is fixed inside the round hole 7, a push rod 17 is fixed at the other end of the second spring 16, a pull rope 11 is fixed between the two push rods 17, a pressure hole 13 is provided on the front surface of the paddle 15, the other end of the pressure hole 13 passes through the round rod 2, a pressure rod 14 is provided inside the pressure hole 13, a pressure block 12 is fixed at the front end of the pressure rod 14, the pull rope 11 passes through the pressure rod 14, the pressure block 12 is pressed, the pressure block 12 pushes the pressure rod 14 to move, the pressure rod 14 pulls the pull rope 11, and the pull rope 11 pulls The push rod 17, the push rod 17 moves, so that the first spring 21 pushes the push block 8, the connecting rod 19 and the tooth block 10 to move, and the tooth block 10 and the tooth groove 24 are separated, so that the round rod 2 and the shade cloth 4 can be pulled to move, and the pressure block 12 is released, so that the second spring 16 pushes the push rod 17 to move, and the push rod 17 can return the push block 8, the connecting rod 19 and the tooth block 10 to their original positions, and the tooth block 10 is snapped into the tooth groove 24, so that the movement of the round rod 2 and the shade cloth 4 can be limited, and the area covered by the shade cloth 4 can be controlled. When used in the sun, it can be used for sunshade, which is convenient for viewing the screen.

[0025] During operation, the pressing block 12 is pressed, and the pressing block 12 pushes the pressing rod 14 to move. The pressing rod 14 pulls the pull rope 11, and the pull rope 11 pulls the push rod 17, and the push rod 17 moves. In this way, the first spring 21 pushes the push block 8, the connecting rod 19 and the tooth block 10 to move, and the tooth block 10 and the tooth groove 24 are separated, so that the round rod 2 and the shade cloth 4 can be pulled to move, and the pressing block 12 is released, so that the second spring 16 pushes the push rod 17 to move, and the push rod 17 can return the push block 8, the connecting rod 19 and the tooth block 10 to their original positions, and the tooth block 10 is stuck in the tooth groove 24, so that the movement of the round rod 2 and the shade cloth 4 can be limited, and the area covered by the shade cloth 4 can be controlled. When used in the sun, it can be used for sunshade, which is convenient for viewing the screen.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage switchgear electrical performance comprehensive test bench, comprising a bench body (1), characterized in that: Shields (3) are fixed on both left and right sides of the platform (1); a shielding mechanism (5) is provided behind the shielding mechanism (3); the shielding mechanism (5) comprises a shielding cloth (4), a rotating rod (25) and a fixing frame (26); a round rod (2) is fixed to one end of the shielding cloth (4) away from the fixing frame (26); a paddle (15) is fixed to the outer wall of the round rod (2); a limiting mechanism (20) is provided inside the round rod (2); the limiting mechanism (20) comprises two tooth blocks (10), two connecting rods (19) and two top blocks (8).

2. A low-voltage switch cabinet electrical performance comprehensive test bench according to claim 1, characterized in that: The two shielding plates (3) are provided with limiting grooves (23) on opposite sides thereof, and circular grooves (22) are provided inside the two limiting grooves (23) on the back sides thereof. A plurality of round beads (6) are fixed on both left and right sides of the shielding cloth (4), and the round beads (6) are located inside the circular grooves (22). The end of the shielding cloth (4) away from the round rod (2) passes through the fixing frame (26) and is fixedly connected to the outer side wall of the rotating rod (25).

3. A low-voltage switch cabinet electrical performance comprehensive test bench according to claim 2, characterized in that: The two ends of the rotating rod (25) are respectively rotatably connected to the left and right sides of the interior of the fixed frame (26); two springs (27) are fixed to the outer side wall of the rotating rod (25); and the other end of the springs (27) is fixedly connected to the inner side wall of the fixed frame (26).

4. The low-voltage switchgear electrical performance comprehensive test bench according to claim 3 is characterized by: The outer wall of the round rod (2) is provided with two fixing holes (18), the connecting rod (19) is located inside the fixing hole (18), the outer wall of the connecting rod (19) is slidably connected with a fixing plate (9), the outer wall of the fixing plate (9) is fixedly connected to the inner wall of the fixing hole (18), the two ends of the connecting rod (19) are respectively fixedly connected to the top block (8) and the tooth block (10), the outer side of the connecting rod (19) is located between the top block (8) and the fixing plate (9) and is sleeved with a first spring (21), and the inner side of the limiting groove (23) is provided with a tooth groove (24).

5. The low-voltage switch cabinet electrical performance comprehensive test bench according to claim 4 is characterized in that: Two circular holes (7) are formed inside the round rod (2), a second spring (16) is fixed inside the circular hole (7), a push rod (17) is fixed to the other end of the second spring (16), and a pull rope (11) is fixed between the two push rods (17).

6. The low-voltage switch cabinet electrical performance comprehensive test bench according to claim 5 is characterized in that: A pressure hole (13) is provided on the front surface of the paddle (15), the other end of the pressure hole (13) passes through the round rod (2), a pressure rod (14) is provided inside the pressure hole (13), a pressure block (12) is fixed to the front end of the pressure rod (14), and the pull rope (11) passes through the pressure rod (14).

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