CN115224626A - A chassis car drive mechanism for low-voltage switchgear - Google Patents

Abstract

The invention discloses a chassis vehicle driving mechanism for a low-voltage switch cabinet, which comprises: chassis car main part and movable plate, movable plate slip inlay locate the inside department of chassis car main part, and the inner wall department of chassis car main part is located to the locking subassembly, wherein: the locking assemblies are provided with two groups, each group of locking assemblies comprises a locking hole, a rail, a locking rod, an adjusting groove, a driving rod, a hanging ring, a buckle, a locking bolt, a locking cylinder and a transmission assembly, and the locking holes are formed in two sides of the outer wall of the movable plate. According to the invention, the locking assembly can realize stable locking of the movable plate, the phenomenon that the movable plate is driven to move due to rotation of the screw rod in the using process and the phenomenon that the movable plate moves and the switch cabinet is disconnected due to manual mistaken touch is avoided, and the locking bolt and the locking cylinder can realize stable locking of the movable plate, so that the phenomenon that the electric connection is unstable and the electric connection state is kept due to the change of the moving precision of the screw rod is avoided.

Description

A chassis car drive mechanism for low-voltage switchgear

technical field

The invention belongs to the technical field of switch cabinets, in particular to a chassis vehicle driving mechanism for low-voltage switch cabinets.

Background technique

The main function of the switch cabinet is to switch, control and protect the electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet mainly include circuit breakers, isolation switches, load switches, It is composed of operating mechanism, transformer and various protection devices. There are many classification methods for switchgear. For example, the circuit breaker installation method can be divided into removable switchgear and fixed switchgear; or according to the structure of the cabinet, it can be divided into It is open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, low-voltage switchgear, etc., mainly suitable for power plants, substations, petrochemicals, metallurgical steel rolling , light industry and textile, factories and mines, residential quarters, high-rise buildings and other occasions.

Existing switch cabinets often require high-precision chassis vehicles, but most of the existing chassis vehicles are used in conjunction with a locking structure and a screw structure. The problem of death finally makes it impossible to quickly end the connection during the process of breaking the circuit, which can easily lead to safety accidents. After locking, the chassis will shake and move offset, which is very easy to break out of the lock. In the process of electrical connection, There is an unstable state, and it is easy to produce virtual connections.

SUMMARY OF THE INVENTION

The technical scheme adopted by the present invention is as follows: a chassis vehicle driving mechanism for a low-voltage switch cabinet, comprising:

a chassis main body and a moving plate, wherein the moving plate is slidably embedded in the interior of the chassis main body;

The locking assembly is arranged on the inner wall of the main body of the chassis, wherein: the locking assembly is provided with two groups, and each group of the locking assembly includes a locking hole, a track, a locking rod, an adjustment groove, a driving rod, a lifting ring, a buckle, Locking bolts, locking cylinders and transmission assemblies, the locking holes are opened at both sides of the outer wall of the moving plate, the rails are embedded in the inner wall of the moving plate, and the locking rods are embedded at one side of the outer wall of the chassis main body , the adjustment groove is opened at the inner wall of the locking rod, the lifting ring is slidably embedded in the inner wall of the adjustment groove, the driving rod is rotatably embedded in the inner wall of the lifting ring, and the buckle is rotatably embedded in the inner wall of the adjustment groove At the inner wall, the locking bolt is fixedly arranged at one end of the drive rod, the locking cylinder is fixedly arranged at the top of the inner wall of the moving plate, the locking bolt and the locking cylinder are matched with each other, and the transmission assembly is arranged on the main body of the chassis. at the bottom of the outer wall.

Further, the transmission assembly includes a moving groove, a driving pulley, a guiding pulley and a driving rope.

Further, the moving groove is opened at the inner wall of the chassis main body, and the driving pulley is rotatably embedded in the bottom of the outer wall of the moving plate through the rotating shaft and the moving groove.

Further, the guide pulley is inserted into both sides of the bottom of the outer wall of the main body of the chassis through the rotation of the rotating shaft, the two ends of the driving rope are respectively wound on the inner wall of the driving pulley, and the center of one end of the driving rope is wound on the driving rope. the inner wall of the pulley.

Further, both ends of the driving rope are fixedly arranged on the outer wall of the hoisting ring.

Further, sliding blocks are fixed on both sides of the bottom of the outer wall of the moving plate, and the inner wall of the sliding block is threadedly connected with a screw rod, and the screw rod is rotatably embedded in the inner wall of the track.

Further, the top of the outer wall of the track is provided with a limiting groove, and the two sides of the inner wall of the chassis main body are rotated and embedded with rollers through a rotating shaft.

Further, the outer wall of the roller is attached to the bottom edge of the outer wall of the moving plate.

Further, both sides of the inner wall of the chassis main body are provided with cooling holes.

Further, both sides of the top of the outer wall of the moving plate are provided with installation grooves, and the bottom of the inner wall of the installation grooves are provided with ventilation grooves.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present invention are:

In the present invention, through the locking assembly, stable locking of the moving plate can be achieved, avoiding the movement of the moving plate due to the rotation of the lead screw during the use process, avoiding the movement of the moving plate caused by the accidental touch, and causing the switch cabinet to be disconnected, and Using locking bolts and locking cylinders, it is possible to achieve stable, moving plate locking, to avoid changes in the movement accuracy of the lead screw, resulting in unstable electrical connection, and to maintain the state of electrical connection.

Description of drawings

1 is a perspective view of a chassis vehicle drive mechanism for a low-voltage switchgear of the present invention from a first perspective;

2 is a perspective view of a chassis vehicle driving mechanism for a low-voltage switchgear of the present invention from a second perspective;

3 is a perspective view of a chassis vehicle driving mechanism for a low-voltage switchgear of the present invention from a third perspective;

4 is a schematic cross-sectional view of a chassis vehicle driving mechanism for a low-voltage switchgear of the present invention;

5 is a perspective view of a chassis vehicle driving mechanism for a low-voltage switchgear according to the present invention from a fourth perspective.

Markings in the figure: 1. Chassis body; 2. Moving plate; 3. Track; 4. Locking rod; 5. Lifting ring; 6. Buckle; 7. Locking bolt; 8. Driving pulley; 9. Guide pulley; 10. Drive rope; 11, locking cylinder; 12, slider; 13, lead screw; 101, roller; 102, cooling hole; 103, moving groove; 201, installation groove; 202, ventilation groove; 203, locking hole; 301, limit Position slot; 401, adjustment slot; 402, drive rod.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Example 1

Referring to Figures 1 to 5: a chassis vehicle drive mechanism for low-voltage switchgear, including:

the chassis main body 1 and the moving plate 2, and the moving plate 2 is slidably embedded in the interior of the chassis main body 1;

The locking assembly is located at the inner wall of the chassis main body 1, wherein: the locking assembly is provided with two groups, each group of locking assemblies includes a locking hole 203, a rail 3, a locking rod 4, an adjustment groove 401, a driving rod 402, a lifting ring 5, The buckle 6, the locking bolt 7, the locking cylinder 11 and the transmission assembly can realize the stable locking of the moving plate 2 through the locking assembly, so as to avoid the movement of the moving plate 2 due to the rotation of the lead screw 13 during the use process, so as to avoid human error. The moving plate 2 is moved and the switch cabinet is disconnected, and the locking bolt 7 and the locking cylinder 11 can be used to achieve stable locking of the moving plate 2 to avoid the change of the movement accuracy of the lead screw 13, resulting in unstable electrical connection. , to maintain the state of electrical connection, the locking holes 203 are opened on both sides of the outer wall of the moving plate 2, the track 3 is embedded in the inner wall of the moving plate 2, and the locking rod 4 is embedded in the outer wall of the chassis main body 1. One side, The adjustment slot 401 is opened on the inner wall of the locking rod 4 , the suspension ring 5 is slidably embedded in the inner wall of the adjustment slot 401 , the driving rod 402 is rotatably embedded in the inner wall of the suspension ring 5 , and the buckle 6 is rotatably embedded in the inner wall of the adjustment slot 401 The locking bolt 7 is fixedly arranged at one end of the driving rod 402, the locking cylinder 11 is fixedly arranged at the top of the inner wall of the moving plate 2, the locking bolt 7 and the locking cylinder 11 are matched with each other, and the transmission assembly is arranged at the bottom of the outer wall of the chassis main body 1 place.

1-5: the transmission assembly includes a moving groove 103, a driving pulley 8, a guiding pulley 9 and a driving rope 10. The moving groove 103 is opened on the inner wall of the chassis main body 1, and the driving pulley 8 is rotated and embedded in the moving groove 103 through the rotating shaft. Located at the bottom of the outer wall of the moving plate 2, the guide pulley 9 is inserted into the bottom of the outer wall of the chassis main body 1 through the rotation of the shaft. The guide pulley 9 can realize the stable traction and movement of the driving rope 10. They are respectively wound on the inner wall of the driving pulley 8, the center of one end of the driving rope 10 is wound on the inner wall of the driving pulley 8, the two ends of the driving rope 10 are fixedly arranged on the outer wall of the lifting ring 5, and both sides of the bottom of the outer wall of the moving plate 2 are A sliding block 12 is fixedly arranged, and the inner wall of the sliding block 12 is threadedly connected with a screw rod 13. The screw rod 13 is rotatably embedded in the inner wall of the track 3, and the top of the outer wall of the track 3 is provided with a limiting groove 301. The inner wall of the chassis body 1 Rollers 101 are embedded on both sides through the rotation of the rotating shaft. The outer wall of the roller 101 is attached to the bottom edge of the outer wall of the movable plate 2. The inner wall of the chassis main body 1 is provided with cooling holes 102 on both sides. Installation grooves 201 are formed on the sides, and ventilation grooves 202 are formed at the bottom of the inner wall of the installation grooves 201 .

working principle:

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. A chassis car actuating mechanism for low-voltage switchgear, its characterized in that includes:

the chassis comprises a chassis main body (1) and a movable plate (2), wherein the movable plate (2) is embedded in the chassis main body (1) in a sliding manner;

the locking subassembly is located the inner wall department of chassis car main part (1), wherein: the locking assembly is provided with two sets ofly, every group the locking assembly all includes locking hole (203), track (3), locking lever (4), adjustment groove (401), actuating lever (402), rings (5), buckle (6), locking bolt (7), a locking section of thick bamboo (11) and drive assembly, the outer wall both sides department of movable plate (2) is seted up in locking hole (203), the inner wall department of movable plate (2) is inlayed in track (3), outer wall one side department of chassis car main part (1) is inlayed in locking lever (4), the inner wall department of locking lever (4) is seted up in adjustment groove (401) is inlayed in rings (5) slip, inner wall department in adjustment groove (401) is inlayed in actuating lever (402) rotation, inner wall department in rings (5) is inlayed in actuating lever (402) is rotated in buckle (6), locking bolt (7) are fixed to be set up in the one end department of actuating lever (402), a locking section of thick bamboo (11) are fixed to be set up in the inner wall top department of movable plate (2), locking bolt (7) and locking bolt (11) match each other drive assembly outer wall department, chassis car main part (1) bottom department.

2. A chassis drive mechanism for a low voltage switchgear cabinet, as claimed in claim 1, wherein: the transmission assembly comprises a moving groove (103), a driving pulley (8), a guide pulley (9) and a driving rope (10).

3. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 2, wherein: the movable groove (103) is arranged on the inner wall of the chassis vehicle main body (1), and the driving pulley (8) is rotatably embedded in the bottom of the outer wall of the movable plate (2) through the rotating shaft and the movable groove (103).

4. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 3, wherein: the chassis is characterized in that the guide pulleys (9) are inserted into two sides of the bottom of the outer wall of the chassis main body (1) through rotation of a rotating shaft, two ends of the driving rope (10) are wound on the inner wall of the driving pulley (8) respectively, and the center of one end of the driving rope (10) is wound on the inner wall of the driving pulley (8).

5. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 4, wherein: two ends of the driving rope (10) are fixedly arranged on the outer wall of the hanging ring (5).

6. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 5, wherein: the two sides of the bottom of the outer wall of the moving plate (2) are fixedly provided with sliding blocks (12), the inner wall of each sliding block (12) is in threaded connection with a screw rod (13), and the screw rods (13) are rotatably embedded in the inner wall of the track (3).

7. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 6, wherein: spacing groove (301) have been seted up at the outer wall top of track (3), the inner wall both sides of chassis car main part (1) all rotate through the pivot and inlay and be equipped with gyro wheel (101).

8. A chassis drive mechanism for a low voltage switchgear cabinet, as claimed in claim 7, wherein: the outer wall of the roller (101) is attached to the bottom edge of the outer wall of the moving plate (2).

9. A chassis drive mechanism for a low voltage switchgear cabinet, as claimed in claim 8, wherein: the chassis car body (1) is characterized in that heat dissipation holes (102) are formed in two sides of the inner wall of the chassis car body.

10. The chassis vehicle driving mechanism for the low-voltage switch cabinet as claimed in claim 9, wherein: mounting grooves (201) are formed in two sides of the top of the outer wall of the moving plate (2), and ventilating grooves (202) are formed in the bottoms of the inner walls of the mounting grooves (201).

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