CN214845511U

CN214845511U - Bridge balance testing device

Info

Publication number: CN214845511U
Application number: CN202120578601.6U
Authority: CN
Inventors: 许杨光; 张石磊
Original assignee: Sichuan Huaxi Jiufang Cable Co ltd
Current assignee: Sichuan Huaxi Jiufang Cable Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-23
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses an electric bridge balance testing arrangement, which comprises a housin, the upper end of casing is provided with recess and spout, the inner wall sliding connection of spout has the slide bar, the upper end fixedly connected with guard plate of slide bar, the preceding terminal surface sliding connection of guard plate has the baffle, the terminal surface all is provided with the louvre around the casing, the lower terminal surface of casing is provided with the bulge loop, the inside of bulge loop is provided with motor and flabellum, the output shaft fixedly connected with axle sleeve of motor, fixedly connected with flabellum on the axle sleeve, the lower terminal surface fixedly connected with supporting legs of casing, the lower extreme fixedly connected with slipmat of supporting legs, the bottom of recess is provided with first connector and second connector. The utility model discloses in, make the guard plate break away from the casing through slip guard plate and baffle, be convenient for operate the casing, make the device's protectiveness improve through setting up guard plate and baffle, be worth wideling popularize.

Description

Bridge balance testing device

Technical Field

The utility model relates to an electrical testing equipment technical field especially relates to a balanced testing arrangement of electric bridge.

Background

The four-terminal network of quadrangle formed by component in the circuit is called electric bridge, if the current voltage of a group of diagonal terminals and the open circuit or short circuit in the four terminals of the four-terminal network do not affect another group of diagonal terminals, the electric bridge is a balanced electric bridge, the bridge method measurement is one of important test techniques, not only used for electrician test technique, but also widely used in non-electricity measurement, because its sensitivity and accuracy are relatively higher, and it has the characteristics of simple structure and convenient use, many in the modern automatic control instrument and meter use these characteristics of electric bridge to design, debug and control.

The bridge balance testing device is poor in protection performance and heat dissipation performance, the bridge balance testing device is prone to being polluted and corroded when being placed outdoors for a long time, components inside the bridge balance testing device are prone to being damaged due to poor heat dissipation performance, maintenance cost of the bridge balance testing device is improved, sliding phenomenon is prone to occurring in the transportation process, and the components inside the bridge balance testing device are prone to being damaged due to collision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bridge balance testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bridge balance testing device comprises a shell, wherein a groove and a sliding groove are formed in the upper end of the shell, a sliding rod is connected to the inner wall of the sliding groove in a sliding mode, a protection plate is fixedly connected to the upper end of the sliding rod, and a baffle is connected to the front end face of the protection plate in a sliding mode;

the heat dissipation holes are formed in the front end face and the rear end face of the shell, the lower end face of the shell is provided with a convex ring, a motor and blades are arranged inside the convex ring, an output shaft of the motor is fixedly connected with a shaft sleeve, and the blades are fixedly connected onto the shaft sleeve;

the front end face of the shell is provided with a switch, the lower end face of the shell is fixedly connected with supporting legs, the lower ends of the supporting legs are fixedly connected with anti-slip pads, the bottom end of the groove is provided with a first connector and a second connector, and the rear end of the shell is provided with a connector lug.

As a further description of the above technical solution:

the right side of first connector is provided with the second connector, the bottom of second connector and first connector all is provided with the scale mark.

As a further description of the above technical solution:

the bottom of recess is provided with the dial plate, the front end of dial plate is provided with first connector.

As a further description of the above technical solution:

the baffle and the groove are in sliding connection, a limiting plate is fixedly connected to the upper end of the baffle, and a protection plate is arranged below the limiting plate.

As a further description of the above technical solution:

the upper end face of guard plate fixedly connected with fixed plate, fixedly connected with fixed bolster on the fixed plate.

As a further description of the above technical solution:

the both sides of recess all are provided with the spout, the quantity of spout is two.

As a further description of the above technical solution:

the bottom fixedly connected with connecting plate of motor, the excircle fixedly connected with guard bar of connecting plate, the one end fixedly connected with bulge loop that the connecting plate was kept away from to the guard bar.

As a further description of the above technical solution:

the bulge loop is connected as an organic whole with the casing, the bottom of casing just is located the edge and is provided with the guard edge, the right-hand member face fixedly connected with bunch pipe of casing.

The utility model discloses following beneficial effect has:

1. the utility model discloses, the casing has the guard plate through spout sliding connection, makes the guard plate break away from the casing through slip guard plate and baffle, is convenient for operate the casing, makes the device's protectiveness improve through setting up guard plate and baffle, is worth wideling popularize.

2. The utility model discloses, the lower extreme of casing is provided with the bulge loop, and the inside of bulge loop is provided with the flabellum, and the output shaft drive flabellum of motor rotates, and inside the flabellum rotated the air current drum external world into the casing, made the radiating effect of casing improve under the cooperation of louvre simultaneously, and then improved the device's life.

3. The utility model discloses, the lower extreme of casing is provided with the supporting legs, places the lower extreme of casing through setting up the supporting legs and is polluted the corruption, and the lower extreme of supporting legs is provided with the slipmat, makes the device be convenient for transport through setting up the slipmat, and the practicality is showing and is improving.

4. The utility model discloses, the inside of bulge loop is provided with protecting strip and connecting plate, makes the device have certain safeguard function through setting up protecting strip and connecting plate, prevents effectively that bulky pollutant from getting into inside the casing.

Drawings

Fig. 1 is a front view of a bridge balance testing device provided by the present invention;

fig. 2 is a partial structural front view of a bridge balance testing device according to the present invention;

fig. 3 is a schematic partial structural perspective view of a bridge balance testing device according to the present invention;

fig. 4 is a partial structural plan view of the bridge balance testing apparatus provided by the present invention.

Illustration of the drawings:

1. a slide bar; 2. a housing; 3. a limiting plate; 4. a fixing plate; 5. a baffle plate; 6. a protection plate; 7. heat dissipation holes; 8. a wire bundling pipe; 9. protecting the edges; 10. supporting legs; 11. a non-slip mat; 12. a convex ring; 13. a switch; 14. a chute; 15. a first connector; 16. a dial plate; 17. a second connector; 18. a protective strip; 19. a connecting plate; 20. a motor; 21. a shaft sleeve; 22. a fan blade; 23. and fixing the cushion.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a bridge balance testing device comprises a shell 2, a groove and two sliding grooves 14 are formed in the upper end of the shell 2, the sliding grooves 14 have a limiting function, a dial 16 is arranged at the bottom end of the groove, a first connecting head 15 is arranged at the front end of the dial 16, the sliding grooves 14 are formed in two sides of the groove, the number of the sliding grooves 14 is two, sliding rods 1 are connected to the inner wall of the sliding grooves 14 in a sliding mode, the sliding grooves 14 and the sliding rods 1 perform limiting sliding, a protection plate 6 is convenient to disassemble and assemble, a protection plate 6 is fixedly connected to the upper end of the sliding rods 1, a baffle plate 5 is connected to the front end face of the protection plate 6 in a sliding mode, the protection plate 6 is matched with the baffle plate 5 to enable the device to have excellent protection capacity, components inside the groove are prevented from being polluted, the baffle plate 5 and the groove are in sliding connection, a limiting plate 3 is fixedly connected to the upper end of the baffle plate 5, the protection plate 6 is arranged below the limiting plate 3, and a fixing plate 4 is fixedly connected to the upper end face of the protection plate 6, the fixed plate 4 is fixedly connected with a fixed pad 23, and the baffle 5 is convenient to slide by arranging the fixed pad 23;

the front and back end surfaces of the shell 2 are provided with heat dissipation holes 7, the heat inside the shell 2 is convenient to dissipate by arranging the heat dissipation holes 7, the lower end surface of the shell 2 is provided with a convex ring 12, the convex ring 12 and the shell 2 are connected into a whole, the bottom end of the shell 2 and the edge of the bottom end are provided with a protective edge 9, the bottom end of the device has a certain protection function by arranging the protection edge 9, the right end face of the shell 2 is fixedly connected with a beam tube 8, the beam tube 8 is used for accommodating and placing a connecting wire, a motor 20 and fan blades 22 are arranged inside the convex ring 12, an output shaft of the motor 20 is fixedly connected with a shaft sleeve 21, the fan blades 22 are fixedly connected on the shaft sleeve 21, the output shaft of the motor 20 drives the fan blades 22 to rotate, the bottom end of the motor 20 is fixedly connected with a connecting plate 19, a protection strip 18 is fixedly connected to the excircle of the connecting plate 19, and one end, away from the connecting plate 19, of the protection strip 18 is fixedly connected with the convex ring 12;

the preceding terminal surface of casing 2 is provided with switch 13, switch 13 controls the device's operating condition, casing 2's lower terminal surface fixedly connected with supporting legs 10, the lower extreme fixedly connected with slipmat 11 of supporting legs 10, make casing 2 be convenient for transport through setting up slipmat 11, the bottom of recess is provided with first connector 15 and second connector 17, the right side of first connector 15 is provided with second connector 17, second connector 17 and first connector 15's bottom all is provided with the scale mark, casing 2's rear end fixedly connected with connector lug.

The working principle is as follows: the utility model discloses in, when the user need use, at first slide damper 5 moves up, later slide guard plate 6 breaks away from 2 upper ends of casing, later debug first connector 15 and second connector 17, and observe the connection status of connector, later open switch 13, rotate second connector 17 and observe the scale of dial plate 16, the device works for a long time, when the inside heat of casing 2 is too high, motor 20 drive flabellum 22 rotates and dispels the heat to casing 2 inside, close switch 13 after the use is ended, and arrange the device in order.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A bridge balance test device, comprising a housing (2), characterized in that: a groove and a sliding chute (14) are formed in the upper end of the shell (2), a sliding rod (1) is connected to the inner wall of the sliding chute (14) in a sliding mode, a protection plate (6) is fixedly connected to the upper end of the sliding rod (1), and a baffle (5) is connected to the front end face of the protection plate (6) in a sliding mode;

the heat dissipation holes (7) are formed in the front end face and the rear end face of the shell (2), the lower end face of the shell (2) is provided with a convex ring (12), a motor (20) and fan blades (22) are arranged inside the convex ring (12), an output shaft of the motor (20) is fixedly connected with a shaft sleeve (21), and the fan blades (22) are fixedly connected onto the shaft sleeve (21);

the front end face of the shell (2) is provided with a switch (13), the lower end face of the shell (2) is fixedly connected with supporting legs (10), the lower ends of the supporting legs (10) are fixedly connected with anti-skidding pads (11), and the bottom end of the groove is provided with a first connector (15) and a second connector (17).

2. The bridge balance test device of claim 1, wherein: the right side of first connector (15) is provided with second connector (17), the bottom of second connector (17) and first connector (15) all is provided with the scale mark.

3. The bridge balance test device of claim 1, wherein: the bottom of recess is provided with dial plate (16), the front end of dial plate (16) is provided with first connector (15).

4. The bridge balance test device of claim 1, wherein: baffle (5) and recess are sliding connection, the upper end fixedly connected with limiting plate (3) of baffle (5), the below of limiting plate (3) is provided with guard plate (6).

5. The bridge balance test device of claim 1, wherein: the upper end face of protection plate (6) fixedly connected with fixed plate (4), fixedly connected with fixed bolster (23) on fixed plate (4).

6. The bridge balance test device of claim 1, wherein: both sides of recess all are provided with spout (14), the quantity of spout (14) is two.

7. The bridge balance test device of claim 1, wherein: the bottom fixedly connected with connecting plate (19) of motor (20), the excircle fixedly connected with guard bar (18) of connecting plate (19), one end fixedly connected with bulge loop (12) of connecting plate (19) are kept away from in guard bar (18).

8. The bridge balance test device of claim 1, wherein: bulge loop (12) and casing (2) are connected as an organic whole, the bottom of casing (2) just is located the edge and is provided with protective edge (9), the right-hand member face fixedly connected with bunch pipe (8) of casing (2).