CN213843330U

CN213843330U - Connecting device for mechanical characteristic test of circuit breaker

Info

Publication number: CN213843330U
Application number: CN202023049620.4U
Authority: CN
Inventors: 李恒; 方荣丰; 胡有林
Original assignee: Wuhan Yikun Admiral Electric Co Ltd
Current assignee: Wuhan Yikun Admiral Electric Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-30
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a connecting device is used in test of circuit breaker mechanical properties, the power distribution box comprises a box body, the box inner wall is fixed with the baffle, and the baffle separates the box for storing up line room and test chamber, store up eight cylinders that line room both sides inner wall was connected with symmetric distribution through the bearing rotation, and the winding of cylinder outer wall has the power cord, power cord one end is fixed with first binding post, cylinder one end is fixed with the crank. The utility model discloses a cylinder, the power cord, first binding post and crank can be with the power cord of overlength through collecting the arrangement around the book, lengthen during the use can, avoid potential safety hazards such as electric shock, through the dead lever, the threaded rod, first servo motor, the slider, two-way screw rod, second servo motor and rubber frame, can carry out the centre gripping to the circuit breaker fixed, make things convenient for operating personnel to fix and dismantle the circuit breaker, can be quick dock the circuit breaker with first binding post and second binding post simultaneously, make the efficiency of software testing of device higher.

Description

Connecting device for mechanical characteristic test of circuit breaker

Technical Field

The utility model relates to a circuit breaker mechanical properties tests technical field, especially relates to a connecting device is used in test of circuit breaker mechanical properties.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

Therefore, chinese patent (application No. 201920510593.4) proposes "general connecting device of handcart-type circuit breaker mechanical property test", this device utilizes butt joint socket and circuit breaker to dock, can realize the connection requirement to the different test function of handcart-type circuit breaker, but the device has the defect, at first need artifically fix the circuit breaker then dock socket and circuit breaker with manual will docking, make the butt joint of device inefficiency, and complex operation, secondly need artifically carry out the bolt fastening to connect terminal and circuit breaker junction and close, both easily cause potential safety hazard such as electric shock and efficiency lower, power connecting wire is longer on one side simultaneously, do not expose outside in order, easily take place the potential safety hazard.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the connecting device is used in circuit breaker mechanical properties test that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connecting device for testing mechanical characteristics of a circuit breaker comprises a box body, wherein a baffle is fixed on the inner wall of the box body and divides the box body into a wire storage chamber and a testing chamber, eight symmetrically distributed rollers are rotatably connected on the inner walls of two sides of the wire storage chamber through bearings, a power wire is wound on the outer wall of each roller, a first connecting terminal is fixed at one end of each power wire, a crank is fixed at one end of each roller, sliding grooves are formed in the inner walls of two sides of the testing chamber, a fixing rod is slidably connected to the inner wall of each sliding groove, threaded holes are formed in two ends of each fixing rod, a threaded rod is screwed on the inner wall of each threaded hole, a first servo motor is fixed at the top of the box body, an output shaft of the first servo motor is fixed at one end of the top of the threaded rod through a coupler, a mounting groove is formed in the bottom of each fixing rod, a sliding block is connected to the inner wall of the mounting groove, and a rubber frame is fixed at the bottom of each sliding block, the testing device is characterized in that a screw hole is formed in the sliding block, a bidirectional screw rod is connected to the inner wall of the screw hole in a screwed mode, a second servo motor is fixed to the inner wall of one end of the mounting groove, the output shaft of the second servo motor is fixed to one end of the bidirectional screw rod through a coupler, an insulating plate is fixed to the inner wall of the bottom of the testing chamber, a plurality of second connecting terminals which are evenly distributed are fixed to the top of the insulating plate, a fixing groove is formed in the inner wall of one side of the testing chamber, a fixing block is connected to the inner wall of the fixing groove in a sliding mode, an electric push rod is fixed to the outer wall of one side of the fixing block, a threaded opening is formed in the fixing block, the screw rod is connected to the inner wall of the threaded opening in a screwed mode, a third servo motor is fixed to the outer wall of one side of the testing chamber, the output shaft of the third servo motor is fixed to one end of the screw rod through the coupler, a U-shaped rod is fixed to one end of the electric push rod, and a fourth servo motor is fixed to the inner wall of one end of the U-shaped rod, and a screwdriver is fixed on an output shaft of the fourth servo motor through a coupler.

Preferably, the two ends of the threaded rod are rotatably connected to the inner wall of the sliding groove through bearings, and the two ends of the bidirectional threaded rod are rotatably connected to the inner wall of the mounting groove through bearings.

Preferably, the two ends of the screw rod are rotatably connected to the inner wall of the fixing groove through bearings.

Preferably, one side of the testing chamber is positioned at the lower side of the screw rod and is provided with a mounting opening, and the inner wall of one side of the mounting opening is hinged with a box door through a hinge.

Preferably, the top of the fixing rod is positioned at the lower side of the first wiring terminal and is provided with a fixing opening, and the inner diameter of the fixing opening is larger than the size of the first wiring terminal.

Preferably, the bottom of the baffle is provided with a limiting groove, and the inner wall of the limiting groove forms sliding fit with the first wiring terminal.

Preferably, the bottom of the box body is provided with a wire inlet, and the top of the box body is provided with a wire outlet.

The utility model has the advantages that:

1. the overlong power cord can be collected and sorted by winding through the roller, the power cord, the first wiring terminal and the crank, the power cord can be elongated when the device is used, potential safety hazards such as electric shock are avoided, the circuit breaker can be clamped and fixed through the fixing rod, the threaded rod, the first servo motor, the sliding block, the bidirectional screw rod, the second servo motor and the rubber frame, the circuit breaker can be conveniently fixed and disassembled by an operator, meanwhile, the circuit breaker can be rapidly butted with the first wiring terminal and the second wiring terminal, and the testing efficiency of the device is higher;

2. through fixed block, electric putter, screw rod, third servo motor, "U" shape pole, fourth servo motor and screwdriver, can be automatic tightly close first binding post and circuit breaker, need not artifical manual tightly to close, improve the connection efficiency of device for the work efficiency of device is higher.

Drawings

Fig. 1 is a schematic front sectional view of a connecting device for testing mechanical characteristics of a circuit breaker according to the present invention;

fig. 2 is a schematic side sectional view of the connecting device for testing mechanical characteristics of a circuit breaker according to the present invention;

fig. 3 is the utility model provides a circuit breaker mechanical properties test is with connecting device's section structure schematic diagram that bows.

In the figure: the device comprises a box body 1, a baffle 2, a roller 3, a power line 4, a first wiring terminal 5, a fixing rod 6, a threaded rod 7, a first servo motor 8, a sliding block 9, a bidirectional screw rod 10, a second servo motor 11, a rubber frame 12, an insulating plate 13, a second wiring terminal 14, a fixing block 15, an electric push rod 16, a screw rod 17, a third servo motor 18, a U-shaped rod 19, a fourth servo motor 20, a screwdriver 21 and a crank 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a connecting device for testing mechanical characteristics of a circuit breaker comprises a box body 1, wherein a baffle 2 is fixed on the inner wall of the box body 1, the box body 1 is divided into a wire storage chamber and a test chamber by the baffle 2, the inner walls of two sides of the wire storage chamber are rotationally connected with eight symmetrically distributed rollers 3 through bearings, the outer walls of the rollers 3 are wound with a power wire 4, one end of the power wire 4 is fixed with a first connecting terminal 5, one end of each roller 3 is fixed with a crank 22, the inner walls of two sides of the test chamber are provided with sliding grooves, the inner walls of the sliding grooves are slidably connected with fixing rods 6, two ends of each fixing rod 6 are provided with threaded holes, threaded rods 7 are screwed on the inner walls of the threaded holes, a first servo motor 8 is fixed on the top of the box body 1, an output shaft of the first servo motor 8 is fixed on one end of the tops of the threaded rods 7 through a coupler, the bottoms of the fixing rods 6 are provided with mounting grooves, and the inner walls of the mounting grooves are slidably connected with sliding blocks 9, the bottom end of the sliding block 9 is fixed with a rubber frame 12, the sliding block 9 is provided with a screw hole, the inner wall of the screw hole is in threaded connection with a bidirectional screw rod 10, the inner wall of one end of the mounting groove is fixed with a second servo motor 11, the output shaft of the second servo motor 11 is fixed at one end of the bidirectional screw rod 10 through a coupler, the inner wall of the bottom of the test chamber is fixed with an insulating plate 13, the top of the insulating plate 13 is fixed with a plurality of second connecting terminals 14 which are uniformly distributed, overlong power wires can be collected and sorted through a winding through a roller 3, a power wire 4, a first connecting terminal 5 and a crank 22, the overlong power wires can be elongated when in use, potential safety hazards such as electric shock can be avoided, the circuit breaker can be clamped and fixed through a fixing rod 6, a threaded rod 7, the first servo motor 8, the sliding block 9, the bidirectional screw rod 10, the second servo motor 11 and the rubber frame 12, the circuit breaker can be conveniently fixed and disassembled by an operator, meanwhile, the circuit breaker can be rapidly butted with the first connecting terminal 5 and the second connecting terminal 14, so that the testing efficiency of the device is higher.

The inner wall of one side of the test chamber is provided with a fixed groove, the inner wall of the fixed groove is connected with a fixed block 15 in a sliding way, the outer wall of one side of the fixed block 15 is fixed with an electric push rod 16, the fixed block 15 is provided with a threaded opening, the inner wall of the threaded opening is connected with a screw rod 17 in a threaded way, the outer wall of one side of the test chamber is fixed with a third servo motor 18, the output shaft of the third servo motor 18 is fixed at one end of the screw rod 17 through a coupler, one end of the electric push rod 16 is fixed with a U-shaped rod 19, the inner wall of one end of the U-shaped rod 19 is fixed with a fourth servo motor 20, the output shaft of the fourth servo motor 20 is fixed with a screwdriver 21 through the coupler, the fixed block 15, the electric push rod 16, the screw rod 17, the third servo motor 18, the U-shaped rod 19, the fourth servo motor 20 and the screwdriver 21 can automatically fasten the first wiring terminal 5 and the circuit breaker without manual fastening, thereby improving the connection efficiency of the device, the working efficiency of the device is higher; 7 both ends of threaded rod are rotated through the bearing and are connected at the spout inner wall, two-way screw rod 10 both ends are rotated through the bearing and are connected at the mounting groove inner wall, 17 both ends of screw rod are rotated through the bearing and are connected at the fixed slot inner wall, the test room is located the screw rod 17 downside on one side and is opened there is the installing port, and installing port one side inner wall has the chamber door through hinge joint, 6 tops of dead lever are located 5 downside openings of first binding post and are opened there is the fixed port, and the internal diameter of fixed port is greater than 5 sizes of first binding post, 2 bottoms of baffle are opened there is the spacing groove, and spacing inslot wall and 5 formation sliding fit of first binding post, 1 bottom of box is opened there is the inlet wire, and 1 top of box is opened there is the outlet.

The working principle is as follows: the overlong power cord can be collected and sorted by winding through the roller 3, the power cord 4, the first wiring terminal 5 and the crank 22, and the overlong power cord can be elongated when the device is used, so that potential safety hazards such as electric shock are avoided, the circuit breaker can be clamped and fixed through the fixing rod 6, the threaded rod 7, the first servo motor 8, the slider 9, the bidirectional screw rod 10, the second servo motor 11 and the rubber frame 12, so that an operator can conveniently fix and disassemble the circuit breaker, and meanwhile, the circuit breaker can be rapidly butted with the first wiring terminal 5 and the second wiring terminal 14, so that the testing efficiency of the device is higher; through fixed block 15, electric putter 16, screw rod 17, third servo motor 18, "U" shape pole 19, fourth servo motor 20 and screwdriver 21, can be automatic tightly fasten first binding post 5 and circuit breaker, need not artifical manual tightly and fasten, improve the connection efficiency of device for the work efficiency of device is higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A connecting device for testing mechanical characteristics of a circuit breaker comprises a box body (1) and is characterized in that a baffle (2) is fixed on the inner wall of the box body (1), the box body (1) is divided into a wire storage chamber and a test chamber by the baffle (2), the inner walls on two sides of the wire storage chamber are rotatably connected with eight symmetrically distributed rollers (3) through bearings, the outer wall of each roller (3) is wound with a power wire (4), one end of each power wire (4) is fixed with a first wiring terminal (5), one end of each roller (3) is fixed with a crank (22), the inner walls on two sides of the test chamber are provided with chutes, the inner walls of the chutes are slidably connected with fixing rods (6), two ends of each fixing rod (6) are provided with threaded holes, threaded rods (7) are screwed on the inner walls of the threaded holes, a first servo motor (8) is fixed on the top of the box body (1), and the output shaft of the, the bottom of the fixing rod (6) is provided with a mounting groove, the inner wall of the mounting groove is connected with a sliding block (9) in a sliding mode, the bottom end of the sliding block (9) is fixed with a rubber frame (12), the sliding block (9) is provided with a screw hole, the inner wall of the screw hole is connected with a two-way screw rod (10) in a threaded mode, the inner wall of one end of the mounting groove is fixed with a second servo motor (11), the output shaft of the second servo motor (11) is fixed at one end of the two-way screw rod (10) through a coupler, the inner wall of the bottom of the test chamber is fixed with an insulation board (13), the top of the insulation board (13) is fixed with a plurality of second wiring terminals (14) which are uniformly distributed, one side of the inner wall of the test chamber is provided with a fixing groove, the inner wall of the fixing groove is connected with a fixing block (15) in a sliding mode, the outer wall of one side of the fixing block (15) is fixed with an electric push rod (16), the fixing block (15) is provided with a threaded opening, the inner wall of the threaded opening is connected with a screw rod (17) in a threaded opening in a threaded mode, the test chamber is characterized in that a third servo motor (18) is fixed to the outer wall of one side of the test chamber, an output shaft of the third servo motor (18) is fixed to one end of a screw rod (17) through a coupler, a U-shaped rod (19) is fixed to one end of an electric push rod (16), a fourth servo motor (20) is fixed to the inner wall of one end of the U-shaped rod (19), and a screwdriver (21) is fixed to the output shaft of the fourth servo motor (20) through the coupler.

2. The connecting device for testing mechanical characteristics of a circuit breaker according to claim 1, wherein two ends of the threaded rod (7) are rotatably connected to the inner wall of the chute through bearings, and two ends of the bidirectional threaded rod (10) are rotatably connected to the inner wall of the mounting groove through bearings.

3. The connecting device for testing mechanical characteristics of a circuit breaker according to claim 1, wherein both ends of the screw rod (17) are rotatably connected to the inner wall of the fixing groove through bearings.

4. The connecting device for testing mechanical characteristics of a circuit breaker according to claim 1, wherein a mounting opening is formed at one side of the testing chamber located at the lower side of the screw (17), and a box door is hinged to an inner wall of one side of the mounting opening through a hinge.

5. The connecting device for testing mechanical characteristics of a circuit breaker according to claim 1, wherein the top of the fixing rod (6) is provided with a fixing opening at the lower side of the first connecting terminal (5), and the inner diameter of the fixing opening is larger than the size of the first connecting terminal (5).

6. The connecting device for testing the mechanical characteristics of the circuit breaker according to claim 1, wherein a limiting groove is formed at the bottom of the baffle (2), and the inner wall of the limiting groove is in sliding fit with the first connecting terminal (5).

7. The connecting device for testing mechanical characteristics of a circuit breaker according to claim 1, wherein a wire inlet is formed at the bottom of the box body (1), and a wire outlet is formed at the top of the box body (1).