High-voltage handcart type circuit breaker guide rail

Abstract

The utility model provides a high-voltage handcart type circuit breaker guide rail, and relates to the technical field of handcart type circuit breakers. The high-voltage handcart type circuit breaker guide rail comprises a cabinet body bottom plate, guide rails are arranged on the two sides of the top of the cabinet body bottom plate, a base assembly is arranged between the two guide rails and the cabinet body bottom plate, the bottoms of the two guide rails are fixedly connected with long plates, and the bottoms of the long plates are provided with bidirectional screw rods and long sliding rods. The two ends of the outer side of the two-way screw are in threaded connection with moving blocks. According to the high-voltage handcart type circuit breaker guide rail, the two-way screw is in threaded connection with the two moving blocks, the two moving blocks can move in the opposite directions, and the two square sliding sleeves slide on the U-shaped fixing rod through crossed rotation of the two top plates, so that a long plate can be ejected out of a first long groove, and position adjustment of the guide rail is achieved; and therefore, the position adjustment of the handcart mounting seat can be met, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a circuit breaker guide rail, in particular to a high-voltage trolley type circuit breaker guide rail, belonging to the technical field of trolley type circuit breakers. Background Art

[0002] Generally, high-voltage cabinets use trolley-type circuit breakers. Simply put, the high-voltage switch is installed on a special trolley. Its characteristics are: easy maintenance and high safety factor.

[0003] The circuit breaker trolley guide rail with the publication number CN203596531U comprises a cabinet bottom plate connected to a frame, a guide rail body and a pair of guide members, wherein the guide rail body is arranged on the upper surface of the cabinet bottom plate, the guide members are symmetrically installed on both sides of the guide rail body, and a gap for installing a trolley guide is reserved between the guide members and the guide rail body. The utility model arranges the guide rail body and the guide members on the cabinet bottom plate.

[0004] In the above scheme, although there are many benefits, there are also the following disadvantages: since the guide rail body can be fixed to the upper surface of the cabinet bottom plate by bolts or by spot welding, and the trolley base is moved by the guide member and the guide rail body, if it is necessary to adjust the upper and lower positions of the circuit breaker on the trolley base, since the guide rail is fixed and has no adjustment function, it is difficult to adjust the upper and lower positions of the trolley base, thereby reducing the practicality of the device. Utility Model Content

[0005] The purpose of the utility model is to provide a high-voltage trolley-type circuit breaker guide rail in order to solve the above-mentioned problem, so as to solve the problem that in the prior art, since the guide rail body can be fixed to the upper surface of the cabinet bottom plate by bolts, or can be welded to the upper surface of the cabinet bottom plate by spot welding, and the trolley base is moved by the guide member and the guide rail body, if it is necessary to adjust the upper and lower positions of the circuit breaker on the trolley base, since the guide rail is fixedly arranged and has no adjustment function, it is difficult to adjust the upper and lower positions of the trolley base, thereby reducing the practicality of the device.

[0006] Technical Solution

[0007] The utility model is implemented through the following technical scheme: a high-voltage trolley-type circuit breaker guide rail, including a cabinet bottom plate, guide rails are arranged on both sides of the top of the cabinet bottom plate, a base assembly is arranged between the two guide rails and the cabinet bottom plate, the bottoms of the two guide rails are fixedly connected to a long plate, the bottom of the long plate is provided with a bidirectional screw and a long sliding rod, the two ends of the outer side of the bidirectional screw are threadedly connected to a moving block, the two moving blocks are slidably connected to the outside of the long sliding rod, the tops of the two moving blocks are fixedly connected to a fixed block, the outer sides of the two fixed blocks are fixedly connected to a first rotating block, and the outer sides of the two first rotating blocks are fixedly connected to the first rotating blocks. Both are rotatably connected to a top plate, a connecting block is rotatably connected between the two top plates, one end of the two top plates is rotatably connected to a second rotating block, one end of the two second rotating blocks is fixedly connected to a square sliding sleeve, a U-shaped fixing rod is provided between the two square sliding sleeves, the U-shaped fixing rod is fixedly connected to the bottom of the elongated plate, the two square sliding sleeves are slidably connected to the outside of the U-shaped fixing rod, the outside of the two bidirectional screws are fixedly connected to a sprocket, the two sprockets are connected by a chain transmission, one end of one of the bidirectional screws is fixedly connected to a second worm gear, and the outside of the second worm gear is meshingly connected to a second worm.

[0008] Preferably, the base assembly includes two guide sleeves, both of which are slidably connected to the outer sides of the two guide rails, a trolley mounting seat is fixedly connected between the two guide sleeves, and two limit sliding rods are fixedly connected to the bottom of the trolley mounting seat.

[0009] Preferably, the base assembly also includes a second elongated groove, which is opened at the center of the cabinet bottom plate. A first screw rod is provided inside the second elongated groove. A sliding block is connected to the outer side of the first screw rod through a nut pair. The sliding block is arranged inside the second elongated groove and in sliding contact with the cabinet bottom plate. The bottom ends of the two limit slide rods pass through the sliding block and are slidably connected to the limit slide rods.

[0010] Preferably, a mounting groove is opened on the front side of the cabinet bottom plate, one end of the first screw rod passes through the inner side of the second elongated groove and extends into the mounting groove, the first screw rod is rotatably connected to the cabinet bottom plate, one end of the first screw rod is fixedly connected to a first worm gear, the outer side of the first worm gear is meshed with a first worm, the top end of the first worm gear passes through the top end of the mounting groove and is rotatably connected to the cabinet bottom plate, and the top end of the first worm gear is fixedly connected to a first handle.

[0011] Preferably, first elongated grooves are provided on both sides of the top of the cabinet bottom plate, and the two elongated plates are arranged inside the two first elongated grooves, and the two elongated plates are adapted to the two first elongated grooves.

[0012] Preferably, the bidirectional screw is arranged inside the first elongated slot, one end of the bidirectional screw passes through the inner side of the first elongated slot and extends into the mounting slot, the bidirectional screw is rotatably connected to the cabinet bottom plate, and the elongated sliding rod is arranged inside the mounting slot and fixedly connected to the cabinet bottom plate.

[0013] Preferably, the two sprockets are both arranged inside the mounting groove, the second worm is arranged inside the mounting groove, the top end of the second worm passes through the top end of the mounting groove and is rotatably connected to the cabinet bottom plate, and the top end of the second worm is fixedly connected to the second handle.

[0014] The utility model provides a high-voltage trolley-type circuit breaker guide rail, which has the following beneficial effects:

[0015] The guide rail of the high-voltage trolley-type circuit breaker has a bidirectional screw threadedly connected to the two moving blocks. The two moving blocks can move in relative directions. The two top plates rotate crosswise, and the two square sliding sleeves slide on the U-shaped fixed rods, so that the elongated plate can be ejected from the first elongated groove, thereby realizing the position adjustment of the guide rail. Therefore, the position adjustment of the trolley mounting seat can also be met, thereby improving the practicability of the device.

[0016] The guide rail of the high-voltage trolley-type circuit breaker rotates the first handle in the forward direction, the first worm is meshed and connected with the first worm wheel, the first screw rotates, the first screw is connected with the sliding block through a nut pair, the sliding block slides inside the second elongated groove, and the trolley mounting seat is driven to move through two limit sliding rods. At this time, the two guide sleeves slide on the outside of the two guide rails, and the front and rear positions of the trolley mounting seat can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bidirectional screw structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the long plate structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of the structure of part A;

[0021] Figure 5 This is a schematic diagram of the sliding block structure of the utility model.

[0022]

Main component symbol description

[0023] 1. Cabinet bottom plate; 2. Trolley mounting seat; 3. Guide sleeve; 4. Guide rail; 5. Long plate; 6. First long groove; 7. Second long groove; 8. First screw rod; 9. Sliding block; 10. Limiting slide rod; 11. First worm gear; 12. First worm; 13. Mounting groove; 14. Bidirectional screw; 15. Moving block; 16. Long slide rod; 17. Fixed block; 18. Top plate; 19. Square sliding sleeve; 20. U-shaped fixing rod; 21. Second worm gear; 22. Second worm; 23. Connecting block. DETAILED DESCRIPTION

[0024] The utility model embodiment provides a high-voltage trolley type circuit breaker guide rail.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , including a cabinet bottom plate 1, guide rails 4 are arranged on both sides of the top of the cabinet bottom plate 1, a base assembly is arranged between the two guide rails 4 and the cabinet bottom plate 1, and the bottoms of the two guide rails 4 are fixedly connected with elongated plates 5, and first elongated grooves 6 are opened on both sides of the top of the cabinet bottom plate 1, and the two elongated plates 5 are arranged inside the two first elongated grooves 6, and the two elongated plates 5 are adapted to the two first elongated grooves 6, and a bidirectional screw 14 and a long sliding rod 16 are arranged at the bottom of the elongated plate 5, and the bidirectional screw 14 is arranged at the first Inside the elongated slot 6, one end of the bidirectional screw 14 passes through the inside of the first elongated slot 6 and extends into the inside of the mounting slot 13, the bidirectional screw 14 is rotatably connected to the cabinet bottom plate 1, the elongated slide bar 16 is arranged inside the mounting slot 13 and is fixedly connected to the cabinet bottom plate 1, both ends of the outer side of the bidirectional screw 14 are threadedly connected to the moving blocks 15, the two moving blocks 15 are slidably connected to the outside of the elongated slide bar 16, the tops of the two moving blocks 15 are fixedly connected to the fixed blocks 17, and the outsides of the two fixed blocks 17 Both are fixedly connected with a first rotating block, the outer sides of the two first rotating blocks are rotatably connected with a top plate 18, a connecting block 23 is rotatably connected between the two top plates 18, one end of the two top plates 18 is rotatably connected with a second rotating block, one end of the two second rotating blocks is fixedly connected with a square sliding sleeve 19, a U-shaped fixing rod 20 is provided between the two square sliding sleeves 19, the U-shaped fixing rod 20 is fixedly connected to the bottom of the long plate 5, the two square sliding sleeves 19 are slidably connected to the outer sides of the U-shaped fixing rod 20, the outer sides of the two bidirectional screws 14 are fixedly connected with sprockets, the two sprockets are connected by chain transmission, one end of one of the bidirectional screws 14 is fixedly connected with a second worm gear 21, the outer side of the second worm gear 21 is meshed with a second worm 22, the two sprockets are arranged inside the mounting groove 13, the second worm 22 is arranged inside the mounting groove 13, the top end of the second worm 22 passes through the top end inside the mounting groove 13 and is rotatably connected to the cabinet bottom plate 1, and the top end of the second worm 22 is fixedly connected with a second turning handle.

[0026] Specifically, the second handle is turned forward, the second worm 22 is meshed with the second worm wheel 21, one of the two-way screws 14 is rotated, and the two sprockets are driven by a chain. The two two-way screws 14 rotate synchronously, and the two-way screws 14 are threadedly connected to the two moving blocks 15. The two moving blocks 15 can move in relative directions through the cross-rotation of the two top plates 18, and the two square sliding sleeves 19 slide on the U-shaped fixed rod 20, so that the elongated plate 5 can be ejected from the first elongated groove 6, thereby realizing the position adjustment of the guide rail 4, and therefore can also meet the position adjustment of the opponent's vehicle mounting seat 2, thereby improving the practicability of the device.

[0027] See also Figure 1 , Figure 2 and Figure 5 The base assembly includes two guide sleeves 3, both of which are slidably connected to the outside of the two guide rails 4, a trolley mounting seat 2 is fixedly connected between the two guide sleeves 3, and two limit slide bars 10 are fixedly connected to the bottom of the trolley mounting seat 2. The base assembly also includes a second elongated groove 7, which is opened at the center of the cabinet bottom plate 1, and a first screw rod 8 is arranged inside the second elongated groove 7. The outside of the first screw rod 8 is connected to a sliding block 9 through a nut pair. The sliding block 9 is arranged inside the second elongated groove 7 and slides in contact with the cabinet bottom plate 1. The two The bottom ends of the limit slide bars 10 all pass through the sliding block 9 and are slidably connected to the limit slide bars 10. A mounting groove 13 is provided on the front side of the cabinet bottom plate 1. One end of the first screw rod 8 passes through the inner side of the second elongated groove 7 and extends into the inside of the mounting groove 13. The first screw rod 8 is rotatably connected to the cabinet bottom plate 1. One end of the first screw rod 8 is fixedly connected to the first worm gear 11. The outer side of the first worm gear 11 is meshed with the first worm 12. The top end of the first worm gear 12 passes through the top end of the inside of the mounting groove 13 and is rotatably connected to the cabinet bottom plate 1. The top end of the first worm gear 12 is fixedly connected to the first turning handle.

[0028] Specifically, when the two guide rails 4 are adjusted upward, the two guide sleeves 3 drive the trolley mounting seat 2 to move upward, and the two limit slide bars 10 slide upward on the sliding block 9.

[0029] Turn the first handle forward, the first worm 12 is meshed with the first worm wheel 11, the first screw 8 is rotated, the first screw 8 is connected to the sliding block 9 through a nut pair, the sliding block 9 slides inside the second elongated groove 7, and the trolley mounting seat 2 is driven to move through the two limit slide bars 10. At this time, the two guide sleeves 3 slide on the outside of the two guide rails 4, and the front and rear position of the trolley mounting seat 2 can be adjusted.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-voltage trolley-type circuit breaker guide rail, comprising a cabinet bottom plate (1), characterized in that: Guide rails (4) are provided on both sides of the top of the cabinet bottom plate (1), a base assembly is provided between the two guide rails (4) and the cabinet bottom plate (1), the bottoms of the two guide rails (4) are fixedly connected to a long plate (5), the bottoms of the long plates (5) are provided with a bidirectional screw (14) and a long sliding rod (16), both ends of the outer sides of the bidirectional screw (14) are threadedly connected to a moving block (15), the two moving blocks (15) are slidably connected to the outside of the long sliding rod (16), the tops of the two moving blocks (15) are fixedly connected to a fixed block (17), the outer sides of the two fixed blocks (17) are fixedly connected to a first rotating block, the outer sides of the two first rotating blocks are rotatably connected to a top plate (18), and the two top plates (18) are ) are rotatably connected with a connecting block (23), one end of each of the two top plates (18) is rotatably connected with a second rotating block, one end of each of the two second rotating blocks is fixedly connected with a square sliding sleeve (19), a U-shaped fixing rod (20) is provided between the two square sliding sleeves (19), the U-shaped fixing rod (20) is fixedly connected to the bottom of the long plate (5), the two square sliding sleeves (19) are slidably connected to the outside of the U-shaped fixing rod (20), the outside of each of the two bidirectional screw rods (14) is fixedly connected with a sprocket, the two sprockets are connected via a chain transmission, one end of one of the bidirectional screw rods (14) is fixedly connected with a second worm gear (21), and the outside of the second worm gear (21) is meshingly connected with a second worm gear (22).

2. A high-voltage trolley-type circuit breaker guide rail according to claim 1, characterized in that: The base assembly comprises two guide sleeves (3), the two guide sleeves (3) are slidably connected to the outside of two guide rails (4), a trolley mounting seat (2) is fixedly connected between the two guide sleeves (3), and two limit sliding rods (10) are fixedly connected to the bottom of the trolley mounting seat (2).

3. A high-voltage trolley-type circuit breaker guide rail according to claim 2, characterized in that: The base assembly further comprises a second elongated slot (7), the second elongated slot (7) being opened at the center of the cabinet bottom plate (1), a first screw rod (8) being arranged inside the second elongated slot (7), a sliding block (9) being connected to the outside of the first screw rod (8) via a nut pair, the sliding block (9) being arranged inside the second elongated slot (7) and in sliding contact with the cabinet bottom plate (1), and the bottom ends of the two limit sliding rods (10) both pass through the sliding block (9) and are slidably connected to the limit sliding rods (10).

4. A high-voltage trolley-type circuit breaker guide rail according to claim 3, characterized in that: A mounting groove (13) is provided on the front side of the cabinet bottom plate (1); one end of the first screw rod (8) passes through the inner side of the second elongated groove (7) and extends into the interior of the mounting groove (13); the first screw rod (8) is rotatably connected to the cabinet bottom plate (1); one end of the first screw rod (8) is fixedly connected to a first worm wheel (11); the outer side of the first worm wheel (11) is meshingly connected to a first worm (12); the top end of the first worm rod (12) passes through the top end of the mounting groove (13) and is rotatably connected to the cabinet bottom plate (1); the top end of the first worm rod (12) is fixedly connected to a first turning handle.

5. A high-voltage trolley-type circuit breaker guide rail according to claim 1, characterized in that: First elongated grooves (6) are provided on both sides of the top of the cabinet bottom plate (1), the two elongated plates (5) are arranged inside the two first elongated grooves (6), and the two elongated plates (5) are adapted to the two first elongated grooves (6).

6. A high-voltage trolley-type circuit breaker guide rail according to claim 4, characterized in that: The bidirectional screw (14) is arranged inside the first elongated slot (6), one end of the bidirectional screw (14) passes through the inside of the first elongated slot (6) and extends into the inside of the mounting slot (13), the bidirectional screw (14) is rotatably connected to the cabinet bottom plate (1), and the elongated sliding rod (16) is arranged inside the mounting slot (13) and fixedly connected to the cabinet bottom plate (1).

7. A high-voltage trolley-type circuit breaker guide rail according to claim 4, characterized in that: The two sprockets are both arranged inside the mounting groove (13), the second worm (22) is arranged inside the mounting groove (13), the top end of the second worm (22) passes through the top end of the mounting groove (13) and is rotatably connected to the cabinet bottom plate (1), and the top end of the second worm (22) is fixedly connected to a second turning handle.

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