CN216872586U

CN216872586U - Emergency fault power frequency bypass box

Info

Publication number: CN216872586U
Application number: CN202123253321.7U
Authority: CN
Inventors: 端木宁堃
Original assignee: Nanjing Kanghua Construction Equipment Installation Co ltd
Current assignee: Nanjing Kanghua Construction Equipment Installation Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-01
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to an emergent trouble power frequency bypass case relates to the field of converter, including box, supporting seat and gyro wheel, supporting seat fixed connection is on the box and is used for the supporting box body, and it has the connecting rod to articulate on the supporting seat, and the gyro wheel rotates to be connected on the connecting rod, is provided with the control assembly who is used for controlling the connecting rod upset on the box. The effect of this application is for making things convenient for the operator to remove the bypass case, and equipment replacement efficiency when improving the converter and damaging.

Description

Emergency fault power frequency bypass box

Technical Field

The application relates to the field of frequency converters, in particular to an emergency fault power frequency bypass box.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.

Under the normal condition of the frequency converter, the rotating speed of the load is controlled through the frequency converter; in the event of a frequency converter failure, power is distributed to the load via the bypass box. The bypass cabinet is arranged for ensuring reliable uninterrupted operation of the load.

The inventor finds that the common bypass box is large in volume, multiple persons or equipment are required to transport the bypass box in the carrying and moving processes, inconvenience is brought to an operator to move the bypass box on site, and equipment replacement efficiency is affected when a frequency converter is damaged.

SUMMERY OF THE UTILITY MODEL

When damaging in order to improve the converter, the operator carries out the purpose of equipment replacement efficiency, and this application provides an emergent trouble power frequency bypass case.

The application provides a pair of emergent trouble power frequency bypass case adopts following technical scheme:

the utility model provides an emergent trouble power frequency bypass case, includes box, supporting seat and gyro wheel, supporting seat fixed connection be in be used for supporting on the box, it has the connecting rod to articulate on the supporting seat, the gyro wheel rotates to be connected on the connecting rod, be provided with on the box and be used for control the control assembly of connecting rod upset.

Through adopting above-mentioned technical scheme, the box passes through the supporting seat and supports subaerial under the normal condition, when the operator need remove the box, the operator drives the connecting rod upset through control assembly, the connecting rod upset then drives the gyro wheel and moves down for the gyro wheel replaces the supporting seat to support subaerial, in order to make things convenient for the operator to remove box to suitable position, reduce time and energy that artifical transport box was wasted, equipment replacement efficiency when being favorable to improving the converter damage.

Optionally, the supporting seats are arranged at the bottom of the box body, the connecting rods are arranged in four and are symmetrically arranged at intervals, each supporting seat comprises a connecting plate and two supporting blocks, the supporting blocks correspond to the connecting rods one to one, the connecting rods are hinged to the corresponding supporting blocks, the connecting plates are fixedly connected with the two supporting blocks, and the connecting plates are fixedly connected with the box body.

Through adopting above-mentioned technical scheme, the supporting shoe is used for supporting the box, can improve the connection stability between box and two supporting shoes through linking the board.

Optionally, the control assembly includes push rod and slide rail, the push rod with the connecting rod one-to-one, just the push rod articulates corresponds on the connecting rod, slide rail fixed connection be in on the box, it is provided with first slide and second slide to slide on the slide rail, first slide is rather than one the push rod is articulated, the second slide is with another the push rod is articulated, be provided with on the box and be used for control first slide with the driving piece that the second slide removed.

Through adopting above-mentioned technical scheme, the operator drives first slide and second slide through the driving piece and removes for two push rods promote the connecting rod and overturn downwards, thereby drive the gyro wheel and remove downwards, the gyro wheel removes the in-process downwards, the gyro wheel removes with ground earlier, under the continuation removal of first slide and second slide, the box removal is kept away from to the gyro wheel, thereby jack-up the box, make each supporting shoe all separate with ground. And then the roller replaces the supporting block to support the box body, so that an operator can conveniently move the box body.

Optionally, the driving element includes a screw, the first sliding seats on the two supporting seats are fixedly connected through a first moving plate, and the second sliding seats on the two supporting seats are fixedly connected through a second moving plate; the screw rod is connected in a rotating mode on the box body, the thread turning directions of two ends of the screw rod are opposite, and the first movable plate and the second movable plate are connected with the screw rod in a threaded mode.

Through adopting above-mentioned technical scheme, operator control screw rotates, and then drives first movable plate and second movable plate and remove to drive each push rod and promote the connecting rod that corresponds and overturn downwards, make the gyro wheel replace the supporting shoe to support subaerial, replace sliding friction through rolling friction, reduce the operator and promote the required power of box, and then make things convenient for the operator to remove the box.

Optionally, the box body is rotatably connected with a first chain wheel, the screw rod is coaxially and fixedly connected with a second chain wheel, the first chain wheel and the second chain wheel are in chain transmission, the maximum diameter of the first chain wheel is larger than that of the second chain wheel, and the first chain wheel is provided with a handle.

Through adopting above-mentioned technical scheme, the operator drives first sprocket through rotating the handle and rotates, and under the drive action of chain, second sprocket and screw rod rotate in step, and then realize the lift of gyro wheel. The maximum diameter of the first chain wheel is larger than that of the second chain wheel, so that the labor-saving effect is achieved when an operator rotates the handle.

Optionally, the bottom of each support block is in threaded connection with a bolt, each bolt is fixedly connected with a supporting foot, and the bolt is provided with a rotating block for an operator to conveniently screw the bolt.

Through adopting above-mentioned technical scheme, the box passes through the spike and supports subaerial. When there is a pothole on ground, an operator can drive the bolt to rotate by screwing the rotating block, so that the length of each supporting leg is adjusted, and the operator can keep the box body in a stable state by adjusting the length of each supporting leg.

Optionally, an opening is formed in the upper surface of the box body, a fan is arranged in the opening, a rain baffle is further arranged at the top of the box body, a circle of side plates are fixedly connected to the peripheral wall of the rain baffle, the lower end face of each side plate is lower than the upper surface of the box body, and a gap is reserved between each side plate and the box body.

Through adopting above-mentioned technical scheme, conveniently dispel the heat to the components and parts in the box through setting up the fan, reduce the condition that the rainwater got into the box and leads circuit damage through weather shield and curb plate.

Optionally, be provided with the baffle in the box, the baffle will the box is separated for main cavity and vice chamber, vice chamber is located the main cavity below, set up a plurality of ventilation holes that are used for the ventilation on the baffle, the box lateral wall corresponds vice chamber position set up a plurality of with the fresh air inlet of vice chamber intercommunication.

Through adopting above-mentioned technical scheme, through setting up the fresh air inlet, the convenient air inlet when dispelling the heat to the box realizes that box internal and external air cycle is favorable to improving the radiating effect, and sets up vice chamber and get into direct and electrical components contact from the fresh air inlet in order to reduce the rainwater, leads to the unable normal condition of working of electrical components in the box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an operator drives the connecting rod to turn downwards through the driving piece, so that each roller replaces a supporting leg to be supported on the ground, sliding friction between the box body and the ground is replaced through rolling friction, friction force between the box body and the ground is reduced, the box body is conveniently pushed by the operator, and further, when the frequency converter is damaged, the efficiency of replacing equipment by the operator is improved;

2. the operator drives the fan for gas gets into vice chamber from the air intake, and the process ventilation hole gets into the main cavity, and the heat that the gaseous electrical components that absorbs in the entering main cavity, then it is external from the clearance discharge box between curb plate and the box that the gas that has the heat passes through the fan, realizes the radiating effect to electrical components in the box.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view of an embodiment of the present application for embodying a separator.

Description of reference numerals: 1. a box body; 11. an opening; 12. a fan; 13. a rain shield; 14. a side plate; 15. a partition plate; 151. a main chamber; 152. a secondary chamber; 16. a vent hole; 17. an air inlet hole; 2. a supporting base; 21. connecting plates; 22. a support block; 23. a bolt; 24. rotating the block; 25. a brace; 3. a roller; 31. a connecting rod; 32. a control component; 4. a push rod; 41. a slide rail; 42. a first slider; 43. a second slide carriage; 5. a drive member; 51. a screw; 52. a first moving plate; 53. a second moving plate; 54. a first sprocket; 55. a second sprocket; 56. a chain; 57. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses emergent trouble power frequency bypass case. Like fig. 1 and 2, emergent trouble power frequency bypass case includes the box 1 of cuboid, and circular shape opening 11 has been seted up to the upper surface of box 1, and is provided with in the opening 11 and is used for carrying out radiating fan 12 in the box 1, and the upper surface of box 1 is at the equal vertical fixedly connected with stand in each angular position. Rectangular weather shield 13 is horizontally arranged above box body 1, the length direction of weather shield 13 is parallel to the length direction of box body 1, and the upper ends of four upright posts are fixedly connected to the lower surface of weather shield 13. Fixedly connected with round curb plate 14 on the lateral wall of weather shield 13, and the lower surface height of curb plate 14 is less than the height of box 1 upper surface, reduces the rainwater and gets into box 1 from opening 11 on box 1 through forming the difference in height to reduce the rainwater and cause the influence to electrical components's normal work.

Horizontal fixed connection baffle 15 in the box 1, baffle 15 are two upper and lower cavities with box 1 partition, set up a plurality of ventilation holes 16 that are used for communicateing two cavities on the baffle 15. The cavity above the partition 15 is a main cavity 151, and electrical components in the box body 1 are all arranged in the main cavity 151. The chamber below the partition 15 is a sub-chamber 152, the sidewall of the box body 1 is provided with a plurality of air inlet holes 17 communicated with the sub-chamber 152, and rainwater entering the sub-chamber 152 from the air inlet holes 17 can flow out of the box body 1 through the air inlet holes 17. An operator drives the fan 12, gas enters the auxiliary cavity 152 from each air inlet, then enters the main cavity 151 from the auxiliary cavity 152 through the vent holes 16 and is in heat transfer with electrical elements in the main cavity 151, and then the gas with heat is discharged out of the box body 1 from a gap between the side plate 14 and the box body 1 through the fan 12, so that the heat dissipation effect of the electrical elements in the box body 1 is realized

Two supporting seats 2 of fixed surface of box 1 are connected with, and two supporting seats 2 set up along box 1's length direction interval symmetry, and supporting seat 2 includes two supporting shoes 22, and two supporting shoes 22 on same supporting seat 2 are through linking board 21 fixed connection, and the board 21 that links on two supporting seats 2 sets up relatively. All seted up threaded hole on the lower terminal surface of each supporting shoe 22, and threaded hole female connection has bolt 23, fixedly connected with cross section is the turning block 24 of six positive deformations on the bolt 23, turning block 24 is used for making things convenient for the operator to twist bolt 23, the arm brace 25 of the lower extreme fixedly connected with disc of bolt 23, the operator can adjust the arm brace 25 and correspond the distance between the supporting shoe 22 through twisting turning block 24, thereby make box 1 can adapt to the uneven ground of pot hole, guarantee box 1's stability.

Each supporting block 22 is far away from one side that corresponds even board 21 and all is provided with connecting rod 31, and connecting rod 31 one end articulates on supporting block 22, and the other end of connecting rod 31 rotates and is connected with gyro wheel 3, and two connecting rods 31 that are located same supporting seat 2 set up relatively. The box body 1 is provided with a control assembly 32 for driving each connecting rod 31 to overturn, the control assembly 32 comprises two sliding rails 41 arranged on the lower surface of the box body 1, the sliding rails 41 are in one-to-one correspondence with the supporting seats 2, and the length direction of the sliding rails 41 is parallel to the width direction of the box body 1. The two slide rails 41 are provided with a first slide seat 42 and a second slide seat 43 in a sliding manner, the two first slide seats 42 and the two second slide seats 43 are hinged to each other to form a push rod 4, the push rod 4 is hinged to the adjacent connecting rod 31, and the upper ends of the two push rods 4 on the same supporting seat 2 are inclined oppositely.

Be provided with on the box 1 and be used for driving piece 5 that first slide 42 and second slide 43 removed, driving piece 5 includes first sprocket 54, and first sprocket 54 rotates to be connected at box 1 along self width direction one side, and first sprocket 54 is close to two first slides 42 settings, fixedly connected with handle 57 on the first sprocket 54. The lower surface of the box body 1 is fixedly and rotatably connected with a screw rod 51, the thread directions of two ends of the screw rod 51 are opposite, the screw rod 51 is positioned between the two connecting plates 21, and the axial direction of the screw rod 51 is parallel to the width direction of the box body 1. One end of the screw 51 facing the first chain wheel 54 is coaxially and fixedly connected with a second chain wheel 55, the maximum diameter of the second chain wheel 55 is smaller than that of the first chain wheel 54, labor is saved when an operator rotates the first chain wheel 54, and a chain 56 for transmission is wound between the second chain wheel 55 and the first chain wheel 54. The screw 51 is connected with a first moving plate 52 and a second moving plate 53 in a threaded manner, one end of the first moving plate 52 is fixed to one of the first sliders 42, the other end of the first moving plate 52 is fixed to the other one of the first sliders 42, one end of the second moving plate 53 is fixed to one of the second sliders 43, and the other end of the second moving plate 53 is fixed to the other one of the second sliders 43.

The implementation principle of the embodiment of the application is as follows: the box body 1 is normally supported on the ground by the arm brace 25, and the respective links 31 are horizontal. When an operator needs to move the box body 1, the operator drives the first chain wheel 54 to rotate by rotating the handle 57, the second chain wheel 55 drives the screw 51 to rotate under the transmission action of the chain 56, and the screw 51 rotates because the screw 51 is a bidirectional screw 51, so that the screw 51 drives the first moving plate 52 and the second moving plate 53 to be away from each other, and further the first sliding seat 42 and the second sliding seat 43 on the same sliding rail 41 are away from each other; thereby causing each push rod 4 to push the corresponding link 31 to turn downwards, and finally causing each roller 3 to move downwards. The gyro wheel 3 moves the in-process down, each gyro wheel 3 earlier with ground butt, then the operator continues to rotate handle 57 for each gyro wheel 3 continues to move down, thereby drives and makes box 1 lifting, and each spike 25 all breaks away from ground behind the box 1 lifting, makes box 1 support on four gyro wheels 3, and the rolling friction between gyro wheel 3 and the ground replaces the sliding friction between spike 25 and the ground, thereby makes things convenient for box 1 to remove subaerial.

After an operator moves the box body 1 to a designated position, the operator reversely rotates the handle 57, so that the first chain wheel 54 drives the second chain wheel 55 to overturn, the screw 51 overturns, the first moving plate 52 and the second moving plate 53 are close to each other, the connecting rods 31 are driven to upwards overturn under the linkage action of the push rod 4 to be separated from the ground, the box body 1 is supported on the ground again through the supporting feet 25, sliding friction between the supporting feet 25 and the ground replaces rolling friction, and the possibility that the box body 1 moves randomly is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an emergent trouble power frequency bypass case which characterized in that: including box (1), supporting seat (2) and gyro wheel (3), supporting seat (2) fixed connection be in be used for supporting on box (1), articulated on supporting seat (2) have connecting rod (31), gyro wheel (3) rotate to be connected on connecting rod (31), be provided with on box (1) and be used for control assembly (32) of connecting rod (31) upset.

2. The emergency fault power frequency bypass box of claim 1, wherein: the supporting seat (2) is arranged at the bottom of the box body (1), the number of the connecting rods (31) is four, the supporting seat (2) is symmetrically arranged at intervals, the supporting seat (2) comprises a connecting plate (21) and two supporting blocks (22), the supporting blocks (22) correspond to the connecting rods (31) one to one, the connecting rods (31) are hinged to the corresponding supporting blocks (22), the connecting plate (21) is fixedly connected with the two supporting blocks (22), and the connecting plate (21) is fixedly connected with the box body (1).

3. The emergency fault power frequency bypass box of claim 2, wherein: control assembly (32) include push rod (4) and slide rail (41), push rod (4) with connecting rod (31) one-to-one, just push rod (4) articulate in corresponding on connecting rod (31), slide rail (41) fixed connection be in on box (1), slide on slide rail (41) and slide and be provided with first slide (42) and second slide (43), first slide (42) and one of them push rod (4) are articulated, second slide (43) and the other push rod (4) are articulated, be provided with on box (1) and be used for control first slide (42) with driving piece (5) that second slide (43) removed.

4. The emergency fault power frequency bypass box of claim 3, wherein: the driving piece (5) comprises a screw rod (51), the first sliding seats (42) on the two supporting seats (2) are fixedly connected through a first moving plate (52), and the second sliding seats (43) on the two supporting seats (2) are fixedly connected through a second moving plate (53); the screw rod (51) is rotationally connected to the box body (1), the thread turning directions of two ends of the screw rod (51) are opposite, and the first moving plate (52) and the second moving plate (53) are in threaded connection with the screw rod (51).

5. The emergency fault power frequency bypass box of claim 4, wherein: the box body (1) is connected with a first chain wheel (54) in a rotating mode, a second chain wheel (55) is coaxially and fixedly connected to the screw rod (51), the first chain wheel (54) and the second chain wheel (55) are driven through a chain (56), the maximum diameter of the first chain wheel (54) is larger than that of the second chain wheel (55), and a handle (57) is arranged on the first chain wheel (54).

6. The emergency fault power frequency bypass box of claim 2, wherein: the bottom of each supporting block (22) is in threaded connection with a bolt (23), each bolt (23) is fixedly connected with a supporting leg (25), and a rotating block (24) used for facilitating an operator to screw the bolt (23) is arranged on the bolt (23).

7. The emergency fault power frequency bypass box of claim 1, wherein: the improved box is characterized in that an opening (11) is formed in the upper surface of the box body (1), a fan (12) is arranged in the opening (11), a rain baffle (13) is further arranged at the top of the box body (1), a circle of side plates (14) are fixedly connected to the peripheral wall of the rain baffle (13), the lower end surfaces of the side plates (14) are lower than the upper surface of the box body (1), and gaps are reserved between the side plates (14) and the box body (1).

8. The emergency fault power frequency bypass box of claim 7, wherein: be provided with baffle (15) in box (1), baffle (15) will box (1) is separated for main cavity (151) and vice chamber (152), vice chamber (152) are located main cavity (151) below, a plurality of ventilation holes (16) that are used for the ventilation have been seted up on baffle (15), box (1) lateral wall corresponds vice chamber (152) position seted up a plurality of with air inlet (17) of vice chamber (152) intercommunication.