CN103336258A - Portable meter verification rack - Google Patents

Abstract

The invention relates to an auxiliary device for on-site metering detection, in particular to a portable meter calibration stand, which includes a table top and legs, the table top is set on the upper part of the legs, the table is an insulating board, and the legs include fixed rods and movable legs. Bracket, fixed rod comprises front side fixed rod and rear side fixed rod, and the bottom of front side fixed rod and rear side fixed rod is respectively provided with movable bracket, and movable bracket comprises hollow rotating rod and telescopic rod respectively, and the top of hollow rotating rod and fixed The rods are hinged, and the lower part is connected with the telescopic rod through the adjusting bolt. Fixed connecting rods are respectively arranged between the movable brackets at the lower part of the two front fixed rods and between the movable brackets at the lower part of the two rear fixed rods. The lower part of the front fixed rod and The lower part of the rear fixed rod is respectively provided with movable connecting rods between the movable brackets on the same side, and the movable connecting rods include a front movable connecting rod and a rear movable connecting rod. The invention is safe in operation, saves space, is suitable for various heights, and is convenient and practical.

Description

A portable meter calibration stand

technical field

The invention relates to an auxiliary device for metering on-site detection, in particular to a portable meter calibration stand.

Background technique

At present, when standard equipment such as electric energy meter on-site calibrator and secondary voltage drop tester are used, due to their precise structure, heavy weight, and limited length of test wires, it is necessary to conduct on-site inspections, especially when they are installed in switch cabinets. When the metering device is installed, it often happens that the wires of the equipment are not long enough, and the equipment is nowhere to be placed or placed unstable. In the prior art, the PT handcart in the switch room is generally used or the insulation ladder is used to place the equipment, but the PT handcart is operated in the substation. Special equipment is subject to fixed-location management. Insulation ladders are mainly used for high-altitude operations, and there are anti-skid grooves on them. The standard equipment is not stable. Therefore these two kinds of equipments are not special-purpose detection equipments, and it is inconvenient to move, and the purpose of convenience and practicality cannot be achieved when a plurality of measurement points are detected simultaneously. The operation is neither standardized nor convenient.

Contents of the invention

In order to make up for the deficiencies in the prior art, the present invention provides a portable meter calibration platform which is simple, safe, convenient and practical to operate.

The technical solution adopted by the present invention to solve the technical problems is: a portable meter calibration stand, including a table top and legs, the table top is arranged on the upper part of the legs, the table top is an insulating board, and the support legs The legs include a fixed rod and a movable bracket, and the fixed rod includes a front fixed rod and a rear fixed rod, and the front fixed rod and the rear fixed rod are respectively arranged on the front side and the rear side of the lower part of the table. The front side fixed rod and the rear side fixed rod are respectively two and arranged symmetrically, and the lower parts of the front side fixed rod and the rear side fixed rod are respectively provided with movable brackets, and the described movable brackets respectively include hollow rotating rods and telescopic Rod, the upper part of the hollow rotating rod is hinged with the fixed rod, and the lower part is connected with the telescopic rod through the adjusting bolt. Fixed connecting rods are respectively arranged between the brackets, and movable connecting rods are respectively arranged between the movable brackets on the same side where the lower part of the front fixed rod and the lower part of the rear fixed rod are located on the same side, and the movable connecting rods include the front movable connecting rod and the rear movable connecting rod, the front movable connecting rod and the rear movable connecting rod are hinged, and the front movable connecting rod and the rear movable connecting rod are respectively hinged with the movable bracket.

The hollow rotating rod of the movable bracket is connected with the fixed rod and the movable connecting rod, and between the front movable connecting rod and the rear movable connecting rod respectively by bolts and fixed by nuts.

The lower ends of the telescopic rods are respectively provided with universal wheels with parking devices.

The lengths of the two front fixing rods are the same, the lengths of the two rear fixing rods are the same, and the length of the front fixing rods is shorter than the length of the rear fixing rods.

A strap is provided on the outside of the lower part of one of the hollow rotating rods at the lower part of the rear fixed rod, a female buckle is provided on the opposite side of the upper end of the strap, and a sub-buckle is provided at the lower end of the strap. The buckle and the sub-button are bonded together.

The legs are made of aluminum alloy pipes.

The beneficial effects of the present invention are: the present invention is provided with universal wheels with a parking device, which not only facilitates movement, but also can be stably placed at a predetermined position, and the present invention can also adjust the position of the telescopic rod in the hollow rotating rod through the adjusting bolt. height position, so as to realize the adjustment of the height position of the bench top, and the phenomenon that the equipment wire is not long enough will not occur, and the table top of the present invention is an insulator, which is safe to operate and can be stored when not in use, saving space. The invention is simple and safe to operate, suitable for various heights, convenient and practical.

Description of drawings

Fig. 1 is the structural representation of the left view of the present invention;

Fig. 2 is the structural representation of rear view of the present invention;

Fig. 3 is the structural representation of the right view of the present invention;

Fig. 4 is a schematic structural view of the present invention in a folded state;

In the figure: 1. table top, 2. front fixed rod, 3. rear movable connecting rod, 4. movable bracket, 5. child buckle, 6. strap, 7. female buckle, 8. hollow rotating rod, 9. front Movable connecting rod, 10, rear side fixed rod, 11, universal wheel, 12, adjusting bolt, 13, telescoping rod, 14, fixed connecting rod, 15, bolt, 16, nut.

Detailed ways

Below in conjunction with accompanying drawing 1 to accompanying drawing 4 the present invention will be further described:

A portable meter calibration stand, comprising a table 1 and legs, the table 1 is arranged on the upper part of the legs, the table 1 is an insulating plate, the legs include a fixed rod and a movable bracket 4, the The fixed rods include a front fixed rod 2 and a rear fixed rod 10, the front fixed rods 2 and the rear fixed rods 10 are respectively arranged on the front side and the rear side of the lower part of the table top 1, and the front fixed rods The rod 2 and the rear side fixed rod 10 are respectively two and arranged symmetrically. The lower parts of the front side fixed rod 2 and the rear side fixed rod 10 are respectively provided with movable brackets 4, and the described movable brackets 4 respectively include hollow rotating rods. 8 and telescopic rod 13, the upper part of the hollow rotating rod 8 is hinged with the fixed rod, the hollow rotating rod 8 can rotate along the fixed rod, and the lower part is connected with the telescopic rod 13 through the adjusting bolt 12, and the adjustable telescopic rod 13 rotates in the hollow The height position in the bar 8, between the movable brackets 4 of the two front side fixed rods 2 bottoms and between the movable brackets 4 of the two rear side fixed rods 10 bottoms are respectively provided with fixed connecting rods 14, to the movable brackets 4 plays a supporting role, and the lower part of the front fixed rod 2 and the lower part of the rear fixed rod 10 are respectively provided with movable connecting rods between the movable brackets 4 on the same side, and the described movable connecting rods include the front movable connecting rod 9 and the rear movable connecting rod 3, hinged between the front movable connecting rod 9 and the rear movable connecting rod 3, respectively hinged between the described front movable connecting rod 9 and the rear movable connecting rod 3 and the movable bracket, movable The connecting rod can rotate along the movable support 4, and can be folded up between the front movable connecting rod 9 and the rear movable connecting rod 3 simultaneously.

The hollow rotating rod 8 of the movable support is connected to each other by bolts 15 between the fixed rod and the movable connecting rod, between the front movable connecting rod 9 and the rear movable connecting rod 3 , and is fixed by a nut 16 . When rotating, loosen nut 16, when fixing, tighten nut 16 and get final product.

Universal wheels 11 with parking devices are respectively provided at the lower ends of the telescopic rods 13 . In order to facilitate the movement of the platform and stable placement in the predetermined position.

The lengths of the two front fixing rods 2 are the same, the lengths of the two rear fixing rods 10 are the same, and the length of the front fixing rods 2 is shorter than the length of the rear fixing rods 10 . The stand can be easily stowed away.

In order to fix the stand when it is in the retracted state, a strap 6 is arranged on the outside of the lower part of one of the hollow rotating rods 8 at the bottom of the rear fixing rod 10, and a female buckle is arranged on the reverse side of the upper end of the strap 6. 7. The lower end of the strap 6 is provided with a sub-buckle 5, and the female buckle 7 and the sub-buckle 5 are matched and bonded.

The legs are made of aluminum alloy pipes. Overall lightweight and durable.

When the present invention is in use, it is only necessary to move the present invention to a predetermined position and fix it, and then adjust the height position of the telescopic rod 13 in the hollow rotating rod 8 by adjusting the adjusting bolt 12, so as to find a suitable height position of the platform table 1 , put the required instruments and equipment on the table top 1 for measurement, after the measurement, the present invention can be put away, respectively loosen between the movable bracket 4 and the fixed rod, between the movable bracket 4 and the movable connecting rod, and the front movable connection The nut 16 connected between the bar 9 and the rear movable connecting rod 3 can be packed up, and then fixed with the strap 6, the operation is simple and safe, convenient and practical.

Other parts in the present invention adopt the prior art, and will not be repeated here.

Claims (6)

1. portable calibration stand, it is characterized in that: comprise table top and supporting leg, described table top is arranged on the top of supporting leg, described table top is insulcrete, described supporting leg comprises fixed bar and travel(l)ing rest, described fixed bar comprises front side fixed bar and rear side fixed bar, described front side fixed bar and rear side fixed bar are separately positioned on front side and the rear side of table top bottom, described front side fixed bar and rear side fixed bar are respectively two and be symmetrical arranged, the bottom of described front side fixed bar and rear side fixed bar is respectively arranged with travel(l)ing rest, described travel(l)ing rest comprises hollow dwang and expansion link respectively, top and the fixed bar of described hollow dwang are hinged, the bottom links to each other with expansion link by regulating bolt, be respectively arranged with fixed connecting rod between the travel(l)ing rest of fixed bar bottom, described two front sides and between the travel(l)ing rest of two rear side fixed bar bottoms, fixed bar bottom, described front side and rear side fixed bar bottom are respectively arranged with movable connecting rod between the travel(l)ing rest of the same side, movable connecting rod and back movable connecting rod before described movable connecting rod comprises, be hinged between movable connecting rod and the back movable connecting rod before described, be hinged respectively between described preceding movable connecting rod and back movable connecting rod and the travel(l)ing rest.

2. a kind of portable calibration stand according to claim 1, it is characterized in that: between the hollow dwang of described travel(l)ing rest and fixed bar and the movable connecting rod, link to each other by bolt respectively between preceding movable connecting rod and the back movable connecting rod, fix by nut.

3. a kind of portable calibration stand according to claim 1 is characterized in that: the lower end of described expansion link is respectively arranged with the universal wheel of band parking device.

4. a kind of portable calibration stand according to claim 1, it is characterized in that: the length of described two front side fixed bars is identical, and the length of described two rear side fixed bars is identical, and the length of described front side fixed bar is less than the length of rear side fixed bar.

5. a kind of portable calibration stand according to claim 1, it is characterized in that: the bottom arranged outside of one of them hollow dwang of described rear side fixed bar bottom has bandage, the reverse side of described bandage upper end is provided with box, described bandage bottom is provided with son and buckles, and described box is detained the bonding that matches with son.

6. a kind of portable calibration stand according to claim 1, it is characterized in that: described supporting leg is that aluminium alloy pipe is made.

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