CN215449418U

CN215449418U - High-voltage board return circuit resistance detection device

Info

Publication number: CN215449418U
Application number: CN202121006570.3U
Authority: CN
Inventors: 杜振伟; 柳红林; 王京召; 柳小法; 王梦华
Original assignee: Luohe Rendong Electric Appliance Co ltd
Current assignee: Luohe Rendong Electric Appliance Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-07
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a high-voltage cabinet loop resistance detection device, belonging to the field of resistance detection equipment; including the detection case, detection case bottom one side articulates there is the support base, it is equipped with box strutting arrangement to support the base, the detection case is equipped with box and top cap, box one side is articulated with the top cap, the box opposite side is equipped with hasp I, it is equipped with the baffle to support the base, box strutting arrangement is located baffle upper portion, the baffle lower part is equipped with the fixing base, the fixing base articulates there is the supporting leg, the inside grafting of supporting leg has telescopic link I, telescopic link I is equipped with positioning and locking device I with the supporting leg junction, the inside grafting of telescopic link has telescopic link two, telescopic link two is equipped with positioning and locking device II with a telescopic link junction. The telescopic box body supporting legs are arranged, and the box body inclined supporting device is arranged, so that the height and the angle of the box body can be conveniently adjusted by an operator, the long-time detection requirement of the operator is greatly met, and the telescopic box body inclined supporting device is easy to store and convenient to carry.

Description

High-voltage board return circuit resistance detection device

Technical Field

The utility model provides a high-voltage cabinet loop resistance detection device, and belongs to the field of resistance detection equipment.

Background

Power systems many high current electrical devices require accurate measurement of loop resistance values during preventive and hand-over tests. The circuit breaker is important electrical equipment of a power system, and the measurement of the resistance of a conductive circuit of the circuit breaker is specified according to the latest standard JJJG 1052-2009 circuit resistance verification regulation, national standards GB763 and GB50150 and the power industry standard DL/T596: the current is not less than 100A measured by a direct current voltage drop method. The resistance of the conductive loop of the circuit breaker mainly depends on the contact resistance between the moving contact and the fixed contact of the circuit breaker. Most of existing high-voltage loop resistance detection instruments are box structures, when detection personnel detect, the instruments are required to be placed on the ground, detection is performed in a squatting mode, waist soreness and back pain of the detection personnel can be caused if long-time detection is conducted, and the detection is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-voltage cabinet loop resistance detection device which is provided with telescopic box body supporting legs and a box body inclined supporting device, so that an operator can conveniently adjust the height and the angle of a box body, the long-time detection requirement of the operator is greatly met, and the high-voltage cabinet loop resistance detection device is easy to store and convenient to carry.

The utility model provides a high-voltage cabinet loop resistance detection device, which is characterized in that: the detection box comprises a detection box body, wherein a supporting base is hinged to one side of the bottom of the detection box body, a box body supporting device is arranged at a position, away from the detection box body, where the supporting base is hinged, of the supporting base, the detection box body is provided with a box body and a top cover, one side of the box body is hinged to the top cover, the other side of the box body is provided with a first lock catch, a partition plate is arranged in the middle of the inner side of the supporting base, the box body supporting device is located on the upper portion of the partition plate, a fixing seat is arranged on the lower portion of the partition plate, the fixing seat is hinged to a supporting leg, the supporting leg is of a hollow cylinder structure inside, a first telescopic rod is inserted into the supporting leg, a first positioning locking device is arranged at the position, where the first telescopic rod is connected with the supporting leg, the first telescopic rod is of a hollow cylinder structure inside, a second telescopic rod is inserted into the telescopic rod, and a second positioning locking device is arranged at the position, where the second telescopic rod is connected with the first rod.

The box strutting arrangement is equipped with the support fixed block, it has the bracing piece to support the fixed block to articulate, the bottom half is equipped with the support recess, the terminal and the support recess joint of bracing piece.

The first positioning and locking device is provided with a spring, a spring groove is formed in the inner side of the top of the first telescopic rod, one end of the spring is fixedly connected with the inner side of the spring groove, a fixture block is fixedly connected to the other end of the spring, a positioning hole is formed in the side face of the bottom of the supporting leg, the fixture block penetrates through the positioning hole and is clamped with the positioning hole, and the second positioning and locking device is identical to the first positioning and locking device in structure.

The bottom of the fixed seat is provided with a vertical locking device, the side face of the fixed seat is provided with a horizontal locking device, and the structures of the vertical locking device and the horizontal locking device are the same as the structure of the first positioning locking device.

The detector is characterized in that a spongy cushion is arranged inside the top cover, a wire slot is formed in the middle of the spongy cushion, a lighting lamp is arranged on the inner side of the top cover, and a detector is placed inside the box body.

Supporting legs are arranged at the bottoms of the two telescopic rods, and rubber pads are arranged at the bottoms of the supporting legs.

The side of the box body is provided with a handle, and the supporting base is provided with a second lock catch outside one side of the supporting fixed block.

The principle of the utility model is as follows:

before use, the supporting leg is in a recovery state and recovered at the lower part of the supporting base through the horizontal locking device, when the device is used, the fixture block of the horizontal locking device is firstly pressed to separate the fixture block from the positioning hole of the horizontal locking device, at the moment, the supporting leg can rotate along the fixed seat, when the supporting leg rotates to a vertical state, the fixture block is superposed with the positioning hole of the vertical locking device, the fixture block is clamped and fixed with the positioning hole of the vertical locking device under the action of spring elasticity, the rest of the supporting legs are rotated to the vertical state according to the same steps, the height of the detection box is continuously adjusted, the first telescopic rod is pulled out of the supporting leg, when the fixture block of the first positioning locking device is superposed with the positioning hole, the fixture block of the first positioning locking device is clamped and fixed with the positioning hole under the action of the spring elasticity, the second telescopic rod is pulled out by using the same method, the height adjustment of the detection box is finished, and the angle of the detection box is continuously adjusted, open hasp two, the articulated department that follows support base and box of box is pulled up the box from hasp two one sides rotates, pull out the bracing piece, be the tilt state with bracing piece and support groove joint supporting box, make things convenient for measurement personnel to operate and observe, open hasp one, open the top cap, take out detection line and power cord grafting at the assigned position of detector from the wire casing, the switch-on begins to detect, the setting of foam-rubber cushion plays the buffer protection effect to the detector, the effect of wire casing is accomodate detection line and power cord, the effect of light provides the illumination under the insufficient condition of light when detecting, the effect of handle is the carry that makes things convenient for the detection case, the effect of supporting legs and rubber pad is the frictional force that increases device and ground contact, prevent to skid.

The utility model has the beneficial effects that:

Drawings

Fig. 1 is a schematic structural diagram of a high-voltage cabinet loop resistance detection device according to the present invention.

Fig. 2 is a schematic structural diagram of the high voltage cabinet loop resistance detection device after being stored.

Fig. 3 is a schematic diagram of the internal structure of the detection box of the high-voltage cabinet loop resistance detection device of the utility model.

Fig. 4 is an enlarged view of a circle a in a structural schematic diagram of the high-voltage board loop resistance detection device according to the present invention.

Fig. 5 is an enlarged view of a circle B in a structural schematic diagram of the high-voltage board loop resistance detection device according to the present invention.

(1, a detection box; 2, a supporting base; 3, a box body; 4, a top cover; 5, a first lock catch; 6, a partition board; 7, a fixed seat; 8, a supporting leg; 9, a first telescopic rod; 10, a first positioning and locking device; 11, a second telescopic rod; 12, a second positioning and locking device; 13, a supporting fixed block; 14, a supporting rod; 15, a supporting groove; 16, a spring; 17, a spring groove; 18, a clamping block; 19, a positioning hole; 20, a vertical locking device; 21, a horizontal locking device; 22, a spongy cushion; 23, a wire groove; 24, an illuminating lamp; 25, a detector; 26, a supporting leg; 27, a rubber pad; 28, a handle; 29, a second lock catch).

Detailed Description

The utility model will be further explained with reference to the drawings.

The utility model provides a high-voltage cabinet loop resistance detection device, which is characterized in that: the detection box comprises a detection box 1, wherein one side of the bottom of the detection box 1 is hinged with a supporting base 2, the supporting base 2 is provided with a box body supporting device at a position far away from the hinge joint of the detection box 1 and the supporting base 2, the detection box 1 is provided with a box body 3 and a top cover 4, one side of the box body 3 is hinged with the top cover 4, the other side of the box body 3 is provided with a lock catch I5, a partition plate 6 is arranged in the middle of the inner side of the supporting base 2, the box body supporting device is positioned at the upper part of the partition plate 6, the lower part of the partition plate 6 is provided with a fixed seat 7, the fixed seat 7 is hinged with a supporting leg 8, the supporting leg 8 is of a hollow cylinder structure, a telescopic rod I9 is inserted into the supporting leg 8, a positioning and locking device I10 is arranged at the joint of the telescopic rod I9 and the supporting leg 8, the telescopic rod I9 is of a hollow cylinder structure, and a telescopic rod II 11 is inserted into the telescopic rod I9, and a second positioning locking device 12 is arranged at the joint of the second telescopic rod 11 and the first telescopic rod 9.

The box strutting arrangement is equipped with and supports fixed block 13, it has bracing piece 14 to support fixed block 13 to articulate, 3 bottoms of box are equipped with support recess 15, the terminal and the support recess 15 joint of bracing piece 14.

The first positioning and locking device 10 is provided with a spring 16, the inner side of the top of the first telescopic rod 9 is provided with a spring groove 17, one end of the spring 16 is fixedly connected with the inner side of the spring groove 17, the other end of the spring 16 is fixedly connected with a clamping block 18, the side face of the bottom of the supporting leg 8 is provided with a positioning hole 19, the clamping block 18 penetrates through the positioning hole 19 and is clamped with the positioning hole 19, and the second positioning and locking device 12 is identical to the first positioning and locking device 10 in structure.

The bottom of the fixed seat 7 is provided with a vertical locking device 20, the side face of the fixed seat 7 is provided with a horizontal locking device 21, and the structures of the vertical locking device 20 and the horizontal locking device 21 are the same as that of the first positioning locking device 10.

The inside foam-rubber cushion 22 that is equipped with of top cap 4, be equipped with wire casing 23 in the middle of the foam-rubber cushion 22, the top cap 4 inboard is equipped with light 24, detector 25 has been placed to box 3 inside.

Supporting legs 26 are arranged at the bottom of the second telescopic rod 11, and rubber pads 27 are arranged at the bottom of the supporting legs 26.

The side of the box body 3 is provided with a handle 28, and the supporting base 2 is provided with a second lock catch 29 outside one side of the supporting fixed block 13.

As shown in fig. 1, 2, 3, 4, and 5:

before use, the supporting leg 8 is in a recovery state and recovered at the lower part of the supporting base 2 through the horizontal locking device 21, when the telescopic device is used, the fixture block 18 of the horizontal locking device 21 is firstly pressed to separate the fixture block 18 from the positioning hole 19 of the horizontal locking device 21, at the moment, the supporting leg 8 can rotate along the fixed seat 7, when the supporting leg 8 rotates to a vertical state, the fixture block 18 is superposed with the positioning hole 19 of the vertical locking device 20, the fixture block 18 is clamped and fixed with the positioning hole 19 of the vertical locking device 20 under the action of the elastic force of the spring 16, the rest of the supporting legs 8 are rotated to the vertical state according to the same steps, the height of the detection box 1 is continuously adjusted, the telescopic rod I9 is pulled out of the supporting leg 8, when the fixture block 18 of the positioning locking device I10 is superposed with the positioning hole 19, the fixture block 18 of the positioning locking device I10 is clamped and fixed with the positioning hole 19 under the action of the elastic force of the spring 16, and the telescopic rod II 11 is pulled out by using the same method, the height adjustment of the detection box 1 is completed, the angle of the detection box 1 is continuously adjusted, the lock catch II 29 is opened, the box body 3 is pulled up from one side of the lock catch II 29 and rotates along the hinged position of the supporting base 2 and the box body 3, the supporting rod 14 is pulled out, the supporting rod 14 and the supporting groove 15 are clamped to support the box body 3 in an inclined state, the operation and observation of detection personnel are facilitated, the lock catch I5 is opened, the top cover 4 is opened, the detection line and the power line are taken out from the wire groove 23 and are inserted at the appointed position of the detector 25, the power is switched on for detection, the sponge cushion 22 is arranged to play a role in buffering protection for the detector 25, the wire groove 23 is used for accommodating the detection line and the power line, the illuminating lamp 24 is used for providing illumination under the condition of insufficient light during detection, the handle 28 is used for facilitating the carrying of the detection box 1, and the supporting legs 26 and the rubber cushion 27 are used for increasing the friction force of the device contacting with the ground, preventing slipping.

The telescopic box body supporting legs are arranged, and the box body inclined supporting device is arranged, so that the height and the angle of the box body can be conveniently adjusted by an operator, the long-time detection requirement of the operator is greatly met, and the telescopic box body inclined supporting device is easy to store and convenient to carry.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a high-voltage board return circuit resistance detection device which characterized in that: comprises a detection box (1), one side of the bottom of the detection box (1) is hinged with a supporting base (2), the supporting base (2) is provided with a box body supporting device at the hinged position far away from the detection box (1) and the supporting base (2), the detection box (1) is provided with a box body (3) and a top cover (4), one side of the box body (3) is hinged with the top cover (4), the other side of the box body (3) is provided with a first lock catch (5), a partition plate (6) is arranged in the middle of the inner side of the supporting base (2), the box body supporting device is positioned at the upper part of the partition plate (6), a fixing seat (7) is arranged at the lower part of the partition plate (6), the fixing seat (7) is hinged with a supporting leg (8), the supporting leg (8) is of a hollow cylinder structure, a first telescopic rod (9) is inserted in the supporting leg (8), a first positioning and locking device (10) is arranged at the connecting position of the first telescopic rod (9) and the supporting leg (8), the first telescopic rod (9) is of a hollow cylinder structure, a second telescopic rod (11) is inserted into the first telescopic rod (9), and a second positioning locking device (12) is arranged at the joint of the second telescopic rod (11) and the first telescopic rod (9).

2. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: the box strutting arrangement is equipped with and supports fixed block (13), it has bracing piece (14) to support fixed block (13) to articulate, box (3) bottom is equipped with and supports recess (15), bracing piece (14) end and support recess (15) joint.

3. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: the utility model discloses a supporting leg, including supporting leg (8), locating locking device (10), telescopic link (9), spring groove (17), spring (16) one end and the inboard fixed connection in spring groove (17), spring (16) other end fixedly connected with fixture block (18), supporting leg (8) bottom side is equipped with locating hole (19), fixture block (18) pass locating hole (19) and with locating hole (19) joint, locating locking device two (12) structure is the same with locating locking device (10) structure.

4. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: the bottom of the fixed seat (7) is provided with a vertical locking device (20), the side face of the fixed seat (7) is provided with a horizontal locking device (21), and the structures of the vertical locking device (20) and the horizontal locking device (21) are the same as the structure of the first positioning locking device (10).

5. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: the detector is characterized in that a spongy cushion (22) is arranged inside the top cover (4), a wire slot (23) is formed in the middle of the spongy cushion (22), an illuminating lamp (24) is arranged on the inner side of the top cover (4), and a detector (25) is placed inside the box body (3).

6. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: supporting legs (26) are arranged at the bottom of the second telescopic rod (11), and rubber pads (27) are arranged at the bottoms of the supporting legs (26).

7. The high-voltage cabinet loop resistance detection device according to claim 1, characterized in that: the side of the box body (3) is provided with a handle (28), and the supporting base (2) is provided with a second lock catch (29) outside one side of the supporting fixed block (13).