CN212845605U

CN212845605U - High heat dissipation loop resistance tester

Info

Publication number: CN212845605U
Application number: CN202021684488.1U
Authority: CN
Inventors: 陆志华
Original assignee: Jiangsu Luzhi Electric Technology Co ltd
Current assignee: Jiangsu Luzhi Electric Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-30
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a high heat dissipation return circuit resistance tester, including the box, articulate the case lid on the box lateral wall, with the fixed operation platform of box inner wall and with four landing legs fixed of box diapire, last display screen, operating panel and the terminal of being provided with of operation platform, four the landing leg is the rectangle and distributes, be fixed with the fixed plate on the box diapire, be provided with the subassembly that lifts up that is used for lifting up box one side on the fixed plate. This application is convenient for adjust the inclination of return circuit resistance tester, and the staff of being convenient for reads the data on the display screen under the stronger condition of sunshine, has guaranteed going on of measurement work.

Description

High heat dissipation loop resistance tester

Technical Field

The application relates to the technical field of resistance testers, in particular to a high-heat-dissipation loop resistance tester.

Background

The resistance tester is widely applied to occasions such as electrical safety inspection and grounding engineering completion inspection, and the types of the resistance tester are many, and the resistance tester comprises a ground resistance tester, an insulation resistance tester, a ground resistance tester, a direct current resistance measuring instrument, a surface resistance tester and a loop resistance tester.

The utility model discloses a novel high heat dissipation function's return circuit resistance tester is disclosed in the chinese utility model patent of publication number CN210199203U, including connector link and upper cover, install the connector link on the upper end outer wall of upper cover, the downside of upper cover is connected with the box, upper cover and box pass through hinge fixed connection, the front end outer wall of box is close to the upper end and is provided with the pull ring, be provided with the hasp on the box front end outer wall on pull ring right side, be provided with the operation panel on the upper end outer wall of box, only be the display screen on the operation panel upper end is close to the lower left corner outer wall, be provided with the wiring mouth on the operation panel upper end outer wall of display screen rear side.

The inventor considers that the technical scheme has the following defects: when using this return circuit resistance tester outdoors, the sunshine is stronger, and this return circuit resistance tester's inclination is difficult to adjust, and the staff is difficult to read the data on the display screen, is unfavorable for the going on of measurement work.

SUMMERY OF THE UTILITY MODEL

In order to adjust the inclination to the return circuit resistance tester for the convenience, the staff of being convenient for reads the data on the display screen under the stronger condition of sunshine, guarantees going on of measurement work, and this application provides a high heat dissipation return circuit resistance tester.

The application provides a high heat dissipation return circuit resistance tester adopts following technical scheme:

the utility model provides a high heat dissipation return circuit resistance tester, includes the box, articulates the case lid on the box lateral wall, with the fixed operation platform of box inner wall and with four landing legs fixed of box diapire, operation platform is last to be provided with display screen, operating panel and terminal, four the landing leg is the rectangle and distributes, be fixed with the fixed plate on the box diapire, be provided with the subassembly that lifts up that is used for lifting up box one side on the fixed plate.

Through adopting above-mentioned technical scheme, when the staff uses this high heat dissipation return circuit resistance tester to examine time measuring, only need open the case lid, with the line with the terminal with the awaiting measuring piece is connected, can read corresponding data through the display screen. When sunshine is stronger, when the staff is difficult to read the data on the display screen, only need to lift up box one side through lifting up the subassembly, until the staff can normally read the data on the display screen can to this inclination to return circuit resistance tester is adjusted, the staff of being convenient for reads the data on the display screen under the stronger condition of sunshine, has guaranteed going on of measurement.

This application further sets up to, lift up the subassembly including rotate install the dwang on the fixed plate, keep away from the fixed carousel of one end of fixed plate, be fixed in the carousel and be close to the connecting rod on the position at carousel edge and keep away from the fixed arc body of rod of one end of carousel axis with the connecting rod, the axis level of dwang, the axis of carousel coincides with the axis of dwang, be provided with on the fixed plate and order about dwang pivoted drive assembly.

Through adopting above-mentioned technical scheme, when needs lift up box one side, the staff only need order about the dwang through drive assembly and rotate to this makes the carousel rotate, and the carousel passes through the connecting rod and drives the arc body of rod and rotate, makes the arc body of rod rotate to ground gradually, until the arc body of rod and connecting rod and carousel cooperation, and lift up the box to when being fit for the angle that the staff read data, close drive assembly can.

This application further sets up to, the arc is personally submitted in the transversal of the arc body of rod, the distance between the arc body of rod and the connecting rod is steadilyd decrease from the arc body of rod tip to the arc body of rod middle part.

Through adopting above-mentioned technical scheme, the arc is personally submitted in the transversal arc of the arc body of rod, and the distance between the arc body of rod and the connecting rod steadilys decrease from the arc body of rod tip to the arc body of rod middle part to this makes at dwang pivoted in-process, the arc body of rod and connecting rod cooperation effect lift up box one side gradually.

This application further sets up to, drive assembly including be fixed in on the fixed plate the motor, with the output shaft end fixing's of motor driving gear and fixed cover locate on the dwang and with driving gear engaged with driven gear.

Through adopting above-mentioned technical scheme, when needing to use drive assembly to order about the dwang and rotate, the staff only need open the motor, and the motor drives the driving gear rather than the output shaft is fixed after the work and rotates to this makes and the driven gear rotation with driving gear engagement, thereby drives and rotates with the fixed dwang of driven gear, so that lift up the subassembly and lift up box one side.

The present application is further configured such that the motor is a brake motor.

Through adopting above-mentioned technical scheme, adopt brake motor as the power spare, when cutting off power supply, the brake motor electro-magnet loses magnetic attraction, and spring promotion armature compresses tightly the brake disc, and under the friction torque effect, brake motor stall immediately to this has played and has prevented that the dwang from rotating by oneself and lead to the condition of arc body of rod and ground butt.

This application further sets up to, the landing leg bottom is provided with the gyro wheel, the bottom half is fixed with supporting component, supporting component include with the fixed cylinder of bottom half and with the fixed block of the piston rod lower extreme of cylinder.

Through adopting above-mentioned technical scheme, through setting up the gyro wheel to this staff promotes this high heat dissipation return circuit resistance tester, has reduced the degree of difficulty that the staff moved this high heat dissipation return circuit resistance tester. Through setting up supporting component, when using this high heat dissipation return circuit resistance tester, the staff only needs adjust the cylinder for fixed block bottom surface and ground butt have played the condition that prevents high heat dissipation return circuit resistance tester displacement when using with this.

This application further sets up to, the fixed block bottom surface is fixed with the sheet rubber.

Through adopting above-mentioned technical scheme, the sheet rubber adopts rubber materials to make, and its surface has great coefficient of friction, through setting up the sheet rubber to this makes the frictional force increase between fixed block bottom surface and the ground, has reduced the probability that relative slip takes place for fixed block bottom surface and ground.

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

1. in the application, when sunlight is strong and a worker is difficult to read data on the display screen, only one side of the box body needs to be lifted by the lifting assembly until the worker can normally read the data on the display screen, so that the inclination angle of the loop resistance tester can be conveniently adjusted, the worker can conveniently read the data on the display screen under the condition of strong sunlight, and the measurement work is ensured;

2. in the application, when one side of the box body needs to be lifted, a worker only needs to drive the rotating rod to rotate through the driving assembly, so that the rotating disc rotates, the rotating disc drives the arc-shaped rod body to rotate through the connecting rod, the arc-shaped rod body gradually rotates towards the ground until the arc-shaped rod body is matched with the connecting rod and the rotating disc, and when the box body is lifted to an angle suitable for the worker to read data, the driving assembly is closed;

3. in this application, when needing to use drive assembly to order about the dwang and rotate, the staff only need open the motor, and the motor drives the driving gear rather than the output shaft is fixed after the work and rotates to this makes and the driven gear rotation of driving gear engagement, thereby drives and rotates with the fixed dwang of driven gear, so that lift up the subassembly and lift up box one side.

Drawings

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

FIG. 2 is a schematic diagram of the overall structure from another perspective in the embodiment of the present application;

FIG. 3 is a schematic structural view of the embodiment of the present application after hiding the supporting legs and the rollers;

fig. 4 is an enlarged schematic view of a in fig. 3.

Description of reference numerals: 1. a box body; 11. a box cover; 12. a support leg; 121. a roller; 13. a fixing plate; 2. an operating platform; 21. a display screen; 22. an operation panel; 23. a binding post; 3. a support assembly; 31. a cylinder; 32. a fixed block; 321. a rubber sheet; 4. lifting the assembly; 41. rotating the rod; 42. a turntable; 43. a connecting rod; 44. an arc-shaped rod body; 5. a drive assembly; 51. a motor; 52. a driving gear; 53. a driven gear.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

As shown in fig. 1, a high heat dissipation loop resistance tester includes a box 1, a box cover 11, an operation platform 2 and support legs 12, wherein the box 1 is a rectangular structure, and the upper end of the box 1 is open. The outer wall of one side of the box cover 11 is hinged with the outer wall of the box body 1 and is used for covering the box body 1. The operation platform 2 is a horizontally arranged rectangular plate-shaped structure, the side wall of the operation platform is attached and fixed with the inner wall of the box body 1, and the operation platform 2 is provided with a display screen 21, an operation panel 22 and a binding post 23. The landing leg 12 is vertical, and its cross section is the rectangle, and the upper end and the box 1 bottom surface of landing leg 12 are fixed, and the quantity of landing leg 12 is four, and four landing legs 12 are the rectangle and distribute.

As shown in fig. 1, the bottom of each leg 12 is provided with a roller 121, so that the worker can push the high heat dissipation loop resistance tester to a desired position, and the difficulty of moving the high heat dissipation loop resistance tester is reduced. The bottom of the box body 1 is provided with a supporting component 3, and the supporting component 3 comprises a cylinder 31 and a fixing block 32. The cylinder body of the cylinder 31 is fixed with the bottom of the box body 1, and the lower end of the piston rod of the cylinder 31 extends vertically and downwards. The fixed block 32 is a round block-shaped structure, the axis of the fixed block is vertical, and the upper surface of the fixed block 32 is fixed with the lower end of the piston rod of the cylinder 31. Through setting up supporting component 3, when this high heat dissipation return circuit resistance tester of staff normal use detects, only need adjust cylinder 31 for the piston rod lower extreme of cylinder 31 drives fixed block 32 and removes, and until the bottom surface and the ground butt of fixed block 32, gyro wheel 121 bottom is unsettled, has reduced this high heat dissipation return circuit resistance tester and has taken place the condition of displacement carrying out the testing process with this.

As shown in fig. 1, be provided with the sheet rubber 321 on the fixed block 32, the sheet rubber 321 is circular sheet structure, the upper surface of sheet rubber 321 is fixed with the bottom surface of fixed block 32, sheet rubber 321 adopts rubber materials to make, the surface of sheet rubber 321 has great coefficient of friction, through setting up sheet rubber 321, with this make the frictional force increase between fixed block 32 bottom surface and the ground, the probability that relative slip takes place for fixed block 32 bottom surface and ground has been reduced, be favorable to the staff to use this high heat dissipation loop resistance tester to detect.

As shown in fig. 2, a fixing plate 13 is disposed at the bottom of the box 1, the fixing plate 13 is a vertically disposed rectangular plate-shaped structure, and an upper surface of the fixing plate 13 is fixed to a position of the bottom surface of the box 1, which is close to the side wall of the box 1. Referring to fig. 3 and 4, the fixing plate 13 is provided with a lifting assembly 4 for lifting one side of the box body 1, and the lifting assembly 4 includes a rotating rod 41, a rotating disc 42, a connecting rod 43 and an arc-shaped rod 44. The rotating rod 41 is a horizontally arranged round rod-shaped structure, and one end of the rotating rod is rotatably connected with the fixed plate 13. The turntable 42 has a disk-like structure, and the axis thereof coincides with the axis of the rotating lever 41, and the surface of the turntable 42 on the side close to the fixed plate 13 is fixed to the end of the rotating lever 41 far from the fixed plate 13. The connecting rod 43 is a rod-shaped structure, one end of the connecting rod 43 is fixed with the position of the turntable 42 close to the edge of the turntable 42, and the extension line of the connecting rod 43 passes through the center of the turntable 42. The arc-shaped rod body 44 is a rod-shaped structure with an arc-shaped cross section, the arc-shaped surface of one side of the arc-shaped rod body close to the turntable 42 is fixed with one end of the connecting rod 43 far away from the axis of the turntable 42, and the distance between the arc-shaped rod body 44 and the connecting rod 43 decreases gradually from the end part of the arc-shaped rod body 44 to the middle part of the arc-shaped rod body.

As shown in fig. 1 and 4, a driving assembly 5 is disposed on the fixing plate 13 for driving the rotating rod 41 to rotate, and the driving assembly 5 includes a motor 51, a driving gear 52 and a driven gear 53. The motor 51 is fixed on the side wall of the fixed plate 13 near the rotating disc 42, the axis of the output shaft of the motor 51 is parallel to the axis of the rotating rod 41, and the motor 51 is a brake motor 51. The axis of the driving gear 52 coincides with the axis of the output shaft of the motor 51, and is sleeved on and fixed with the output shaft of the motor 51. The axis of the driven gear 53 coincides with the axis of the rotating rod 41, and is fixed to the rotating rod 41 by being fitted over the same, and the driven gear 53 is engaged with the driving gear 52. When sunshine is stronger, for seeing clearly the data on the display screen 21, the staff only need open motor 51, motor 51 drives after the work and rotates rather than the fixed driving gear 52 of output shaft, driving gear 52 drives rather than the driven gear 53 rotation of meshing, make with the dwang 41 rotation of driven gear 53 fixed with this, thereby make and dwang 41 end fixing's carousel 42 rotate, under the effect of connecting rod 43, the arc body of rod 44 rotates around the axis of carousel 42, until arc body of rod 44 and connecting rod 43 and carousel 42 cooperation, make box 1 one side lift up to the staff can see clearly the display screen 21 when going up the data, close motor 51 can.

The use principle of the embodiment is as follows: when a worker uses the high-heat-dissipation loop resistance tester to detect, the corresponding data can be read through the display screen 21 only by opening the box cover 11 and connecting the wiring terminal 23 with a piece to be detected by a wire. When sunshine is stronger, when the staff is difficult to read the data on the display screen 21, only need to lift up 1 one side of box through lifting up subassembly 4, until the staff can normally read the data on the display screen 21 can to this inclination to return circuit resistance tester is adjusted, the staff of being convenient for reads the data on the display screen 21 under the stronger condition of sunshine, has guaranteed going on of measurement.

When sunshine is stronger, for seeing clearly the data on the display screen 21, the staff only need open motor 51, motor 51 drives after the work and rotates rather than the fixed driving gear 52 of output shaft, driving gear 52 drives rather than the driven gear 53 rotation of meshing, make with the dwang 41 rotation of driven gear 53 fixed with this, thereby make and dwang 41 end fixing's carousel 42 rotate, under the effect of connecting rod 43, the arc body of rod 44 rotates around the axis of carousel 42, until arc body of rod 44 and connecting rod 43 and carousel 42 cooperation, make box 1 one side lift up to the staff can see clearly the display screen 21 when going up the data, close motor 51 can.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a high heat dissipation return circuit resistance tester, includes box (1), articulate case lid (11) on box (1) lateral wall, with box (1) inner wall fixed operation platform (2) and with four landing legs (12) of box (1) diapire fixed, be provided with display screen (21), operating panel (22) and terminal (23) on operation platform (2), four landing leg (12) are the rectangle and distribute, characterized by: a fixing plate (13) is fixed on the bottom wall of the box body (1), and a lifting assembly (4) used for lifting one side of the box body (1) is arranged on the fixing plate (13).

2. The high heat dissipation loop resistance tester of claim 1, wherein: the lifting assembly (4) comprises a rotating rod (41) rotatably mounted on a fixed plate (13), a rotary plate (42) fixed at one end of the fixed plate (13) far away from the rotating rod (41), a connecting rod (43) fixed at a position where the rotary plate (42) is close to the edge of the rotary plate (42) and an arc-shaped rod body (44) fixed at one end of the connecting rod (43) far away from the axis of the rotary plate (42), wherein the axis of the rotating rod (41) is horizontal, the axis of the rotary plate (42) is overlapped with the axis of the rotating rod (41), and a driving assembly (5) driving the rotating rod (41) to rotate is arranged on the fixed plate (13).

3. The high heat dissipation loop resistance tester of claim 2, wherein: the cross section of the arc-shaped rod body (44) is arc-shaped, and the distance between the arc-shaped rod body (44) and the connecting rod (43) decreases gradually from the end part of the arc-shaped rod body (44) to the middle part of the arc-shaped rod body (44).

4. The high heat dissipation loop resistance tester of claim 2, wherein: the driving assembly (5) comprises a motor (51) fixed on the fixing plate (13), a driving gear (52) fixed with the end part of an output shaft of the motor (51) and a driven gear (53) fixedly sleeved on the rotating rod (41) and meshed with the driving gear (52).

5. The high heat dissipation loop resistance tester of claim 4, wherein: the motor (51) is a brake motor (51).

6. The high heat dissipation loop resistance tester of claim 1, wherein: the supporting leg (12) bottom is provided with gyro wheel (121), box (1) bottom is fixed with supporting component (3), supporting component (3) including with box (1) bottom fixed cylinder (31) and with fixed block (32) of the piston rod lower extreme of cylinder (31).

7. The high heat dissipation loop resistance tester of claim 6, wherein: and a rubber sheet (321) is fixed on the bottom surface of the fixing block (32).