CN212981076U - Ground resistance appearance with safeguard function for safety evaluation - Google Patents
Ground resistance appearance with safeguard function for safety evaluation Download PDFInfo
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- CN212981076U CN212981076U CN202021376624.0U CN202021376624U CN212981076U CN 212981076 U CN212981076 U CN 212981076U CN 202021376624 U CN202021376624 U CN 202021376624U CN 212981076 U CN212981076 U CN 212981076U
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Abstract
The utility model discloses a ground resistance meter with protection function for safety evaluation, which relates to the technical field of resistance meter assistance and aims at the problem of easy damage in the prior art, the scheme is provided, which comprises a resistance meter, a protective box and a belt, and is characterized in that the top of the protective box is rotationally connected with a protective door through a spring hinge, the bottom of the protective box is fixedly connected with a supporting device, one side of the supporting device is connected with a vent pipe connected with the protective box, one side of the vent pipe is fixedly connected with a vent pipe, the upper side of the supporting device is fixedly connected with a resistance meter main body, one side of the resistance meter main body is provided with a wiring device, the utility model has simple structure and convenient use, can effectively seal and protect the resistance meter main body, and ensures the protection of the resistance meter in the moving or accommodating process, the possibility of contact with the outside is reduced, so that the oxidation or corrosion of the contact piece is reduced, and the accuracy of measurement is ensured.
Description
Technical Field
The utility model relates to a technical field is assisted to the resistance appearance, especially relates to a safety evaluation is with earth resistance appearance that has safeguard function.
Background
The earth resistance meter is a meter specially used for directly measuring the earth resistance value of various earthing devices. The grounding resistance meter has the advantages of wide measuring range and high resolution, the measuring range is from 0.01 omega to 1000 omega, the resolution is 0.01 omega, and the grounding resistance below 0.7 omega can be accurately measured.
However, the existing resistance meter is generally placed independently, certain protection cannot be well performed in the using process or after the existing resistance meter is used, and the resistance meter is easily damaged due to the working environment of the resistance meter, so that the service life of the resistance meter is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of ground resistance appearance with having safeguard function for safety evaluation has solved the problem that suffers the damage easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ground resistance instrument with a protection function for safety evaluation comprises a protective box and a belt, and is characterized in that the top of the protective box is rotatably connected with a protective door through a spring hinge, the bottom of the protective box is fixedly connected with a supporting device, one side of the supporting device is connected with a vent pipe connected with the protective box, one side of the vent pipe is fixedly connected with a vent pipe, the upper side of the supporting device is fixedly connected with a resistance instrument main body, one side of the resistance instrument main body is provided with a wiring device, the resistance instrument main body is provided with a mounting plate fixedly connected with the protective box, one side of the mounting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft through a coupler, the other end of the rotating shaft is rotatably connected with a limiting plate fixedly connected with the mounting plate, and the rotating shaft is rotatably connected with a, one side of the belt is connected with a tightening device fixedly connected with the protective box, and the protective box and the protective door are both connected with cushion pads.
Preferably, the bottom of the protective box is fixedly connected with a power supply, and the vent pipe is connected with a one-way valve.
Preferably, strutting arrangement includes the solid fixed cylinder with protective housing fixed connection, the inner wall of solid fixed cylinder slides and has cup jointed a plurality of removal covers that cup joint each other, and the removal cover that is located the top slides and has cup jointed the connecting rod in, connecting rod and resistance meter main part fixed connection, gu fixed cylinder is connected with the breather pipe.
Preferably, the wiring device comprises a limiting ring fixedly connected with the resistance instrument main body, a first spring is fixedly connected to the upper side of the limiting ring, a moving plate is fixedly connected to the other end of the first spring and is in sliding connection with the limiting ring, contact pieces are fixedly connected to one face, opposite to the moving plate and the limiting ring, of the limiting ring, an opening door rotatably connected with the resistance instrument main body is arranged on one side of the limiting ring, a second spring is fixedly connected to the inside of the opening door, a sliding plate is fixedly connected to the other end of the second spring and is in sliding sleeve connection with the opening door, and a drying box located in the resistance instrument main body is arranged on one side of the opening door.
Preferably, the opening door is provided with a sliding chute, the sliding plate and the second spring are both positioned in the sliding chute, and the outer wall of the sliding plate is in sliding connection with the chute wall of the sliding chute.
Preferably, the tightening device includes the case of stabilizing with protective housing fixed connection, the inner wall of stabilizing the case slides and has cup jointed a plurality of removal circles that cup joint in proper order, and the one end of keeping away from the removal circle of stabilizing case one side slides and has cup jointed the function post, the one end fixedly connected with work frame of function post, and the other end fixedly connected with of function post and stabilizing case fixed connection's third spring, the work frame rotates through the bearing and is connected with the axis of rotation, the outer wall of axis of rotation is fixed cup jointed the working wheel that is connected with the belt.
The utility model has the advantages that:
1: through accomodating of protective housing, the buffering of real blotter of cooperation can carry out effectual sealed and protection to the resistance appearance main part, guarantees the protection of resistance appearance at the removal or accomodating the in-process, simultaneously in the course of the work, through mutually supporting of sliding plate and contact piece etc. the butt contact piece that can be fine protects, reduces the possibility with external contact, and then reduces the oxidation or the erosion of contact piece, guarantees the measuring accuracy.
2: through the rotation of motor drive rocker, reduce artifical pivoted uncertainty, guarantee the efficiency of adjusting, reduce intensity of labour, whole device is convenient for subsequent carrying and placing simultaneously, makes things convenient for going on of follow-up work.
Drawings
Fig. 1 is a schematic cross-sectional view of a ground resistance meter with a protection function for safety evaluation according to the present invention;
fig. 2 is a schematic left-side sectional view of a ground resistance meter with a protection function for safety evaluation according to the present invention;
fig. 3 is a schematic top view of a ground resistance meter with a protection function for safety evaluation according to the present invention;
fig. 4 is an enlarged schematic view of a position a of the ground resistance meter with a protection function for safety evaluation according to the present invention;
fig. 5 is a schematic front sectional view of a supporting device of a ground resistance meter with a protection function for safety evaluation according to the present invention;
fig. 6 is a schematic top view of the tightening device of the ground resistance meter with protection function for safety evaluation according to the present invention.
Reference numbers in the figures: the device comprises a protective box 1, a tightening device 2, a vent pipe 3, a supporting device 4, a power supply 5, a motor 6, a limiting plate 7, a mounting plate 8, a drying box 9, a wiring device 10, a resistance meter body 11, a protective door 12, a cushion pad 13, a belt 14, a rotating shaft 15, a door 16, a second spring 17, a second spring 18, a contact piece 19, a moving plate 20, a first spring 21, a limiting ring 22, a gas release pipe 23, a stabilizing box 24, a moving ring 25, a third spring 26, a functional column 27, a working wheel 28, a rotating shaft 29, a working wheel 30, a fixed cylinder 41, a moving sleeve 42 and a connecting rod 43.
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. 1-5, a ground resistance meter with a protection function for safety evaluation comprises a protective box 1 and a belt 14, the top of the protective box 1 is rotatably connected with a protective door 12 through a spring hinge, the bottom of the protective box 1 is fixedly connected with a supporting device 4, one side of the supporting device 4 is connected with a vent pipe 3 connected with the protective box 1, one side of the vent pipe 3 is fixedly connected with a vent pipe 23, the upper side of the supporting device 4 is fixedly connected with a resistance meter main body 11, one side of the resistance meter main body 11 is provided with a wiring device 10, the resistance meter main body 11 is provided with a mounting plate 8 fixedly connected with the protective box 1, one side of the mounting plate 8 is fixedly connected with a motor 6, the output end of the motor 6 is fixedly connected with a rotating shaft 15 through a coupler, the other end of the rotating shaft 15 is rotatably connected with a limiting plate 7 fixedly connected with the mounting plate 8, one side of the belt 14 is connected with a tightening device 2 fixedly connected with the protective box 1, the protective box 1 and the protective door 12 are both connected with cushion pads 13, when the protective door 12 is opened during working, then the resistance meter main body 11 is processed, external air enters the supporting device 4 through the vent pipe 3 to fill the supporting device 4, so as to ensure the extension of the supporting device, so that the resistance meter main body 11 moves to the outer side of the protective box 1, then a lead wire for external working is inserted into the wiring device to be electrified, during the moving process, the tightening device always tightens the belt 11, a rotating shaft 15 driven by the working of the motor 6 can stably drive a rocker of the resistance meter main body 11 to rotate, after the use is finished, the supporting device is deflated through the deflation pipe 23, so that the resistance meter main body 11 reenters the protective box 1 to be stored, then cover guard gate 12, make resistance appearance main part 11 wrapped up by blotter 13, guarantee subsequent accomodating.
The bottom fixedly connected with power 5 of protective housing 1 is connected with the check valve on the breather pipe 3, and power 5 is circular telegram, and the direction of gas circulation is guaranteed to the check valve.
The strutting arrangement includes the solid fixed cylinder 41 with protective housing 1 fixed connection, the inner wall of solid fixed cylinder 41 slides and cup joints a plurality of removal cover 42 that cup joint each other, it has cup jointed connecting rod 43 to slide in the removal cover 42 that is located the top, connecting rod 43 and resistance appearance main part 11 fixed connection, gu fixed cylinder 41 is connected with breather pipe 3, when twitching, external air enters into solid fixed cylinder 41 and the space of removal cover 42 through breather pipe 3, fill, after not twitching, because the nature of gas, make connecting rod 43 stabilize at certain height range, support resistance appearance main part 11, make things convenient for subsequent work, after the use is accomplished, open the valve on the gas release pipe 23, deflate, make connecting rod 43 enter into solid fixed cylinder 41, accomplish and accomodate.
The wiring device 10 comprises a limiting ring 22 fixedly connected with the resistance instrument main body 11, a first spring 21 is fixedly connected to the upper side of the limiting ring 22, a moving plate 20 in sliding connection with the limiting ring 22 is fixedly connected to the other end of the first spring 21, contact pieces 19 are fixedly connected to one surface of the moving plate 20 opposite to the limiting ring 22, an opening door 16 rotatably connected with the resistance instrument main body 11 is arranged on one side of the limiting ring 22, a second spring 17 is fixedly connected into the opening door 16, a sliding plate 18 in sliding sleeve connection with the opening door 16 is fixedly connected to the other end of the second spring 17, a drying box 9 located in the resistance instrument main body 11 is arranged on one side of the opening door 16, when the wiring device works, the sliding plate 18 is opened, then a wiring head enters the resistance instrument main body 11 through a space opened by the sliding plate 18, after the wiring head reaches between the two contact pieces 19, the elastic force of the first spring, the connector lug is clamped, meanwhile, the second spring forces the sliding plate 18 to extrude a connected lead, so that a follow-up working contact point is protected from loosening, the clamping stability is ensured, and meanwhile, when the connector lug is not used, the connector lug is sealed through the sealing of the sliding plate 18 and the opening of the door 16, so that the possibility that the contact piece 19 is corroded is reduced, the stability of the device is ensured, and the service life of the device is prolonged.
The opening door 16 is provided with a sliding chute, the sliding plate 18 and the second spring 17 are both positioned in the sliding chute, the outer wall of the sliding plate 18 is in sliding connection with the chute wall of the sliding chute, the sliding plate 18 is limited by the sliding chute, and the stability of the movement of the sliding plate 18 is ensured.
The working principle is as follows: when the device works, the protective door 12 is opened, then the resistance instrument main body 11 is processed, outside air enters the space between the fixed cylinder 41 and the movable sleeve 42 through the vent pipe 3 to be filled, due to the nature of gas, the connecting rod 43 is stabilized in a certain height range to support the resistance instrument main body 11, so that the subsequent work is convenient, the resistance instrument main body 11 is moved to the outer side of the protective box 1, then the sliding plate 18 is opened, then the connector lug enters the resistance instrument main body 11 through the space opened by the sliding plate 18 and reaches between the two contact pieces 19, the elasticity of the first spring 21 is overcome to clamp the connector lug, meanwhile, the second spring forces the sliding plate 18 to extrude a connected conducting wire, so that the subsequent working contact point is protected from loosening, the clamping stability is ensured, and meanwhile, when the device is not used, the device is sealed by the sliding plate 18 and sealed by the opening door 16, reduce the possibility that contact piece 19 is corroded, guarantee the device stable, the life of extension fixture, in the removal process, along with the removal of rocker, drive the elasticity transform of belt 11, in this process, third spring 26 drives function post 27 and slides in removing circle 25, change the distance, and then drive the removal of work frame 28 and axis of rotation 29, guarantee the tension of guaranteeing belt 14, make the rotation axis 15 that motor 6 work drove can be stable drive resistance appearance main part 11's rocker rotate, use the completion after, deflate strutting arrangement through deflating pipe 23, and then make resistance appearance main part 11 enter into protective housing 1 again, accomodate, then cover protective door 12, make resistance appearance main part 11 wrapped up by blotter 13, guarantee subsequent accomodating.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
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 (6)
1. The ground resistance instrument with the protection function for safety evaluation comprises a protective box (1) and a belt (14), and is characterized in that the top of the protective box (1) is rotatably connected with a protective door (12) through a spring hinge, the bottom of the protective box (1) is fixedly connected with a supporting device (4), one side of the supporting device (4) is connected with a vent pipe (3) connected with the protective box (1), one side of the vent pipe (3) is fixedly connected with a vent pipe (23), the upper side of the supporting device (4) is fixedly connected with a resistance instrument main body (11), one side of the resistance instrument main body (11) is provided with a wiring device (10), the resistance instrument main body (11) is provided with a mounting plate (8) fixedly connected with the protective box (1), one side of the mounting plate (8) is fixedly connected with a motor (6), the output end of the motor (6) is fixedly connected with a rotating shaft (15) through a shaft coupling, and the other end of the rotating shaft (15) is rotatably connected with a limiting plate (7) fixedly connected with the mounting plate (8), the rotating shaft (15) is rotatably connected with a rocker of the resistance instrument main body (11) through a belt, one side of the belt (14) is connected with a tightening device (2) fixedly connected with the protective box (1), and the protective box (1) and the protective door (12) are both connected with cushion pads (13).
2. The grounding resistance instrument with the protection function for safety evaluation according to claim 1, characterized in that a power supply (5) is fixedly connected to the bottom of the protection box (1), and a one-way valve is connected to the breather pipe (3).
3. The grounding resistance meter with the protection function for safety evaluation according to claim 1, wherein the supporting device comprises a fixed cylinder (41) fixedly connected with the protection box (1), the inner wall of the fixed cylinder (41) is slidably sleeved with a plurality of mutually sleeved movable sleeves (42), the movable sleeve (42) positioned at the uppermost side is slidably sleeved with a connecting rod (43), the connecting rod (43) is fixedly connected with the resistance meter body (11), and the fixed cylinder (41) is connected with the ventilation pipe (3).
4. The grounding resistance meter with the protection function for safety evaluation according to claim 1, characterized in that the wiring device (10) comprises a limiting ring (22) fixedly connected with the resistance meter main body (11), a first spring (21) is fixedly connected to the upper side of the limiting ring (22), a moving plate (20) slidably connected with the limiting ring (22) is fixedly connected to the other end of the first spring (21), contact pieces (19) are fixedly connected to the opposite surfaces of the moving plate (20) and the limiting ring (22), an opening door (16) rotatably connected with the resistance meter main body (11) is arranged on one side of the limiting ring (22), a second spring (17) is fixedly connected to the inside of the opening door (16), a sliding plate (18) slidably sleeved with the opening door (16) is fixedly connected to the other end of the second spring (17), and a drying box (9) located inside the resistance meter main body (11) is arranged on one side of the opening door (16).
5. The grounding resistor with protection function for safety evaluation according to claim 4, wherein the opening door (16) is provided with a sliding slot, the sliding plate (18) and the second spring (17) are both located in the sliding slot, and the outer wall of the sliding plate (18) is slidably connected with the wall of the sliding slot.
6. The ground resistance meter with the protection function for safety evaluation according to claim 1, wherein the tightening device (2) comprises a stabilization box (24) fixedly connected with the protection box (1), the inner wall of the stabilization box (24) is slidably sleeved with a plurality of sequentially sleeved moving rings (25), one end of the moving ring (25) far away from one side of the stabilization box (24) is slidably sleeved with a function column (27), one end of the function column (27) is fixedly connected with a working frame (28), the other end of the function column (27) is fixedly connected with a third spring (26) fixedly connected with the stabilization box (24), the working frame (28) is rotatably connected with a rotating shaft (29) through a bearing, and the outer wall of the rotating shaft (29) is fixedly sleeved with a working wheel (30) connected with a belt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376624.0U CN212981076U (en) | 2020-07-14 | 2020-07-14 | Ground resistance appearance with safeguard function for safety evaluation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376624.0U CN212981076U (en) | 2020-07-14 | 2020-07-14 | Ground resistance appearance with safeguard function for safety evaluation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212981076U true CN212981076U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021376624.0U Active CN212981076U (en) | 2020-07-14 | 2020-07-14 | Ground resistance appearance with safeguard function for safety evaluation |
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| Country | Link |
|---|---|
| CN (1) | CN212981076U (en) |
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2020
- 2020-07-14 CN CN202021376624.0U patent/CN212981076U/en active Active
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