CN212433217U - Transformer substation grounding grid fault diagnosis device - Google Patents

Abstract

The utility model relates to a substation equipment aims at providing a transformer substation's ground net fault diagnosis device to the technical problem of using the instrument awkward, including the instrument body and with a plurality of detection wiring of being connected of instrument body electricity, three spinal branch vaulting poles are no less than to the bottom fixedly connected with base of instrument body, are provided with on the base, and a plurality of spinal branch vaulting poles distribute around the circumference of base, and the bracing piece can be dismantled with the base and be connected. Through set up the bracing piece on the base to prop the instrument body off ground, so that when overhauing and maintaining the grounding grid, the staff need not to squat the operation instrument, has made things convenient for staff's operation.

Description

Transformer substation grounding grid fault diagnosis device

Technical Field

The utility model belongs to the technical field of the substation equipment technique and specifically relates to a transformer substation's ground net fault diagnosis device is related to.

Background

The grounding grid belongs to the equipment which is firstly constructed when the transformer substation is constructed, the grounding grid mainly plays a role in protection, and the grounding grid can effectively guarantee the leakage safety of the electric equipment.

The ground net is buried underground mostly, and corresponding damage can appear in the ground net to the too big destruction of acid-base material corruption and soil humidity in the soil in present a large amount of ground nets all can receive, consequently, we need after having installed electrical equipment, often carry out fault detection to the ground net to in time discover the trouble of ground net, can normal use with the electrical equipment after guaranteeing to install. The existing fault detection of the grounding grid generally adopts a grounding resistance tester to measure the grounding resistance of the grounding grid so as to detect the fault of the grounding grid. The ground resistance tester comprises an instrument body and a plurality of testing wires connected with the instrument body, when in measurement, two testing wires of the ground resistance tester are respectively connected to a tested grounding body, and relevant buttons on the ground resistance tester are adjusted, so that measured data can be read on a display screen of the ground resistance tester.

The above prior art solutions have the following drawbacks: during measurement, the ground resistance tester is generally placed on the ground, so that the tester is frequently required to be squat to adjust or read data during the use of the measuring instrument, certain inconvenience is caused to a user, and improvement is required.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims at providing a make things convenient for transformer substation's ground net fault diagnosis device of staff's operation.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a transformer substation's ground net fault diagnosis device, includes instrument body and a plurality of detection wiring of being connected with the instrument body electricity, the bottom fixedly connected with base of instrument body, be provided with on the base and be no less than three bracing pieces, a plurality of bracing pieces distribute around the circumference of base, the bracing piece with the connection can be dismantled to the base.

By adopting the technical scheme, the base is arranged on the instrument body to connect the support rods, so that connection points are provided for the support rods, and the support rods are arranged on the base to support the instrument body away from the ground, so that when the grounding grid is overhauled and maintained, workers do not need to squat down to operate the instrument, and the operation of the workers is facilitated; the supporting rod is detachably connected with the base, so that the instrument body and the supporting rod can be disassembled into small parts in the carrying process, and the instrument body and the supporting rod can be separately placed at different positions for carrying. Through setting up a plurality of spinal branch vaulting poles to can realize the instrument body fixed through directly placing the bracing piece subaerial limit, improve the convenience of fixed instrument body.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a base, including base, bracing piece, base, the bracing piece is provided with three, three the one end of bracing piece all with the base is articulated, the other end of bracing piece is towards keeping away from or being close to the base direction swing, be equipped with the regulating part of three bracing piece swing angle of synchronous regulation on the base.

Through adopting above-mentioned technical scheme, three spinal branch vaulting poles form triangular supports's stable structure to make at the in-process of overhauing and maintaining, the instrument body is difficult for taking place to empty, makes things convenient for staff's measurement work to go on, simultaneously, also makes the instrument body be difficult for being broken by the fall. According to the high demand difference of user, adjust the height of bracing piece wobbling angle and then adjust the instrument body through setting up the regulating part to make the instrument body be located the height of preferred, so that staff's operation.

The present invention may be further configured in a preferred embodiment as: the regulating part include with well core rod that the base is fixed, threaded connection has the adjusting collar on well core rod, the adjusting collar cup joint in well core rod, the adjusting collar with be connected with the movable rod between the bracing piece, the both ends of movable rod respectively with the adjusting collar with the bracing piece is articulated, the adjusting collar with the movable rod rotates to be connected, the movable rod with adjusting collar articulated shaft is on a parallel with the movable rod with bracing piece articulated shaft, the movable rod with adjusting collar articulated shaft with well core rod is perpendicular.

Through adopting above-mentioned technical scheme, when adjusting the height of instrument body, rotate the adjusting collar, because of the adjusting collar is articulated with the movable rod and rotate and be connected, and simultaneously, the movable rod is articulated with the bracing piece, so that when adjusting collar slides from top to bottom on well core rod, the adjusting collar drives the bracing piece through the movable rod and moves toward being close to or keeping away from well core rod direction, in order to realize the regulation to instrument body height, because of adjusting collar and well core rod threaded connection, so that the adjusting collar has the function of auto-lock, stop rotatory adjusting collar, alright fix the angle department adjusted with the bracing piece, so that the bracing piece realizes stable support to the instrument body.

The present invention may be further configured in a preferred embodiment as: threads are arranged at one end and the middle position of the central rod far away from the base, and smooth sections are arranged between thread sections at two ends of the central rod.

Through adopting above-mentioned technical scheme, through set up two sections screws on well core rod, when the adjusting collar is located well core rod and keeps away from the one end of base, through the position of adjusting the adjusting collar, with the angle that the regulation bracing piece struts, so that prop the instrument body apart ground take the altitude, so that the operator uses, when the adjusting collar is located well core rod's middle part position department, the bracing piece draws in the periphery of placing in well core rod in, through adjusting collar and well core rod threaded connection, so that the bracing piece is difficult for swinging, so that carry the bracing piece. The smooth section is arranged on the central rod to reduce the friction force when the adjusting sleeve slides in the middle, so that the adjusting sleeve can slide on the central rod.

The present invention may be further configured in a preferred embodiment as: the base comprises an upper base plate and a lower base plate which are oppositely arranged, the upper base plate is in threaded connection with the lower base plate, the central rod is inserted into the lower base plate, and the central rod is in threaded connection with the lower base plate.

Through adopting above-mentioned technical scheme, through with well core rod and lower plate threaded connection to make when the transport, make lower plate and core rod separation alright in order to realize the dismantled connection of instrument body and bracing piece, the operation is convenient. The upper bottom plate and the lower bottom plate are connected through threads, so that the upper bottom plate and the lower bottom plate are fixed.

The present invention may be further configured in a preferred embodiment as: the upper base plate is fixedly connected with a hanging rod, the hanging rod is rotatably connected with the instrument body, and a locking piece for locking the instrument body and the hanging rod is arranged on the hanging rod.

Through adopting above-mentioned technical scheme, peg graft the rotation of cooperation in order to realize the instrument body through jib and instrument body to at the in-process that uses the instrument body, the staff can adjust the angle of instrument body through oneself custom, in order to improve the convenience that the instrument body used, is favorable to accelerating work efficiency. Through the check lock pole with instrument body and jib locking to fix the instrument body in angle department with the regulation, the instrument body is difficult for appearing rotating at the in-process that uses.

The present invention may be further configured in a preferred embodiment as: the retaining member includes the check lock, the check lock pass the jib and insert connect in the instrument body, the check lock with instrument body fixed connection, the check lock is kept away from outside the jib is stretched out to the one end of instrument body, the check lock rotates with the jib to be connected, the check lock stretches out outside the jib one end threaded connection has the latch segment, works as the terminal surface of latch segment with when the jib supports tightly, the instrument body with the jib is fixed.

Through adopting above-mentioned technical scheme, the check lock lever is pegged graft with the jib and is connected with the jib rotation, and the jib provides the holding power for the check lock lever to through the rotation of control check lock lever in order to further control the instrument body, because of check lock lever and instrument body fixed connection, rotate the check lock lever around the center pin of check lock lever and rotate in order to drive the instrument body, with the regulation of realization instrument body turned angle, and then make the instrument body rotate to the angle of preferred, so that use. After the adjustment is finished, the locking block is screwed down to enable the locking block to be abutted against the suspender, and then the locking rod and the suspender are relatively fixed, so that a worker can operate the instrument body.

The present invention may be further configured in a preferred embodiment as: the jib is provided with two, and two jibs are located the both sides of instrument body respectively.

Through adopting above-mentioned technical scheme, all set up the jib through the both sides at the instrument body to improve the stability of instrument body installation, so that at the in-process that uses, the instrument body is difficult for dropping from the bracing piece, and the instrument body is difficult to be broken, has prolonged the life of instrument body.

To sum up, the utility model discloses a beneficial technological effect does:

1. the supporting rod is arranged on the base to support the instrument body away from the ground, so that when the grounding grid is overhauled and maintained, workers do not need to squat down to operate the instrument, and the operation of the workers is facilitated;

2. when the height of the instrument body is adjusted, the adjusting sleeve is rotated, the adjusting sleeve is hinged and rotatably connected with the movable rod, meanwhile, the movable rod is hinged with the supporting rod, so that when the adjusting sleeve slides up and down on the central rod, the adjusting sleeve drives the supporting rod to move towards or away from the central rod through the movable rod, so that the height of the instrument body is adjusted, the adjusting sleeve is in threaded connection with the central rod, so that the adjusting sleeve has a self-locking function, the adjusting sleeve stops rotating, the supporting rod can be fixed at an adjusted angle, and the supporting rod can stably support the instrument body;

3. through jib and instrument body grafting cooperation in order to realize the rotation of instrument body to at the in-process that uses the instrument body, the staff can adjust the angle of instrument body through oneself custom, in order to improve the convenience that the instrument body used, is favorable to accelerating work efficiency. Through the check lock pole with instrument body and jib locking to fix the instrument body in angle department with the regulation, the instrument body is difficult for appearing rotating at the in-process that uses.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, an instrument body; 2. a knob; 3. a support bar; 4. an adjustment member; 41. a center pole; 42. an adjusting sleeve; 421. a rotating part; 422. a connecting portion; 43. a movable rod; 5. a base; 51. an upper base plate; 52. a lower base plate; 6. a boom; 7. a locking member; 71. a locking lever; 72. a locking block; 8. a rubber sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a transformer substation's ground net fault diagnosis device, including instrument body 1 and a plurality of detection wiring (not shown in the figure) of being connected with instrument body 1 electricity, instrument body 1's front is provided with adjust knob 2, display screen (not shown in the figure), is provided with circuit board (not shown in the figure) in the instrument body 1, and instrument body 1's bottom fixedly connected with base 5 is provided with on the base 5 and is no less than three spinal branch vaulting poles 3, and a plurality of spinal branch vaulting poles 3 are around the even interval distribution of circumference of base 5.

The base 5 comprises an upper base plate 51 and a lower base plate 52, the upper base plate 51 and the lower base plate 52 are arranged in the vertical direction, the number of the supporting rods 3 is three, one end of each of the three supporting rods 3 is hinged to the lower base plate 52, and the other end of each of the three supporting rods 3 swings towards the direction far away from or close to the lower base plate 52. The three supporting rods 3 are uniformly distributed around the circumference of the lower bottom plate 52 at intervals, and the adjusting pieces 4 for synchronously adjusting the movement of the three supporting rods 3 are arranged on the lower bottom plate 52.

Regulating part 4 includes with lower plate 52 fixed connection's well core rod 41, three spinal branch vaulting poles 3 distribute around well core rod 41, the adjusting collar 42 has been cup jointed on well core rod 41, adjusting collar 42 and well core rod 41 threaded connection, be connected with movable rod 43 between adjusting collar 42 and the bracing piece 3, the both ends of movable rod 43 respectively with adjusting collar 42, bracing piece 3 is articulated, movable rod 43 is on a parallel with movable rod 43 and the 3 articulated shafts of bracing piece with the articulated shaft of adjusting collar 42, movable rod 43 is perpendicular with well core rod 41 with the articulated shaft of adjusting collar 42.

Adjusting sleeve 42 includes rotation portion 421 and connecting portion 422, connecting portion 422 and the cross section of rotation portion 421 all become circularly, connecting portion 422 and rotation portion 421 all cup joint in well core rod 41, connecting portion 422 along well core rod 41's length direction with well core rod 41 sliding connection, movable rod 43 is articulated with connecting portion 422, the periphery of rotation portion 421 is sunken to have end to end closed recess (not shown in the figure) around the axis of rotation portion 421, connecting portion 422 cup joints on the recess, connecting portion 422 is rotated the axis of rotation portion 421 and is connected with rotation portion 421.

The movable rod 43 is hinged with one end of the support rod 3 close to the ground.

Threads are arranged at one end and the middle position of the central rod 41 far away from the lower bottom plate 52, and a smooth section is arranged between the two threads on the central rod 41.

The central rod 41 penetrates through the lower bottom plate 52 along the thickness direction of the lower bottom plate 52 and is in threaded connection with the lower bottom plate 52, a screw rod (not shown in the figure) is fixedly connected to the middle of one side of the lower bottom plate 52 far away from the central rod 41, and the screw rod is in threaded connection with the upper bottom plate 51 along the thickness direction of the upper bottom plate 51.

The upper plate 51 is the setting of cake form, and the side fixedly connected with jib 6 of upper plate 51, jib 6 keep away from the one end of upper plate 51 and upwards buckle and lie in the side of instrument body 1 towards keeping away from upper plate 51 direction, fixedly connected with bull stick (not shown in the figure) on jib 6, the bull stick is pegged graft in instrument body 1 and is rotated with instrument body 1 and be connected, installs retaining member 7 with instrument body 1 and the locking of jib 6 on the jib 6. A gap for rotating the instrument body 1 is left between the surface of the upper bottom plate 51 and the instrument body 1.

Retaining member 7 includes check lock lever 71, and in check lock lever 71's one end passed jib 6 and bull stick in proper order and inserted instrument body 1 from one side of jib 6, check lock lever 71 and instrument body 1 fixed connection, the other end of check lock lever 71 is stayed outside jib 6, and check lock lever 71 stays the one end threaded connection outside jib 6 and has latch segment 72, works as when latch segment 72's tip and jib 6 support tightly, instrument body 1 and jib 6 relatively fixed.

The two suspenders 6 and the two rotating rods are both arranged, and the two suspenders 6 are respectively positioned at two sides of the instrument body 1.

The end of the support rod 3 far away from the lower bottom plate 52 is sleeved with a rubber sleeve 8. The rubber sleeve 8 can increase the friction force between the support rod 3 and the ground.

The working conditions and the implementation principle of the embodiment are as follows:

before the detection is ready, the lower bottom plate 52 and the upper bottom plate 51 are fixed in a threaded manner, then the central shaft is connected with the lower bottom plate 52 in a threaded manner, then the opening angle of the three support rods 3 is adjusted by rotating the rotating part 421, so that the instrument body 1 is adjusted to a proper height, and the rotating part 421 is connected with the central shaft 41 in a threaded manner, so that the rotating part 421 has a self-locking function, so that the support rods 3 are fixed at the adjusted angle, and a worker can use the measuring instrument. Prop instrument body 1 from ground through setting up three spinal branch vaulting poles 3 to make the staff when operating instrument body 1 measures, need not to squat and operate, improved the convenience when the staff detects.

Unscrewing latch segment 72 is in order to rotate instrument body 1 to rotate the angle that the staff needed with instrument body 1, screw up latch segment 72 again, in order to fix instrument body 1 and jib 6, so that staff's operation instrument body 1 carries out measurement, is favorable to accelerating staff's detection efficiency.

Through set up two sections screw threads on well core rod 41 to when adjusting bracing piece 3 angle, arrange adjusting sleeve 42 in well core rod 41 in the one end of keeping away from ground, when drawing in fixed bracing piece 3, make bracing piece 3 be located well core rod 41 and be close to the one end of bottom plate 52, because of rotating portion 421 and well core rod 41 threaded connection, so that bracing piece 3 is difficult for appearing the swing at the in-process of transport, so that carry bracing piece 3.

The central rod 41 is screwed to the lower plate 52 so that the support rod 3 is separated from the lower plate 52 when the instrument body 1 is carried, reducing the volume of the entire failure diagnosis apparatus, and the support rod 3 is placed separately from the instrument body 1 so as to facilitate the carrying of the instrument body 1 and the support rod 3.

Rotate with rotation portion 421 through setting up connecting portion 422 and being connected to make when rotating rotation portion 421, connecting portion 422 is difficult to rotate along with rotation portion 421, is favorable to rotation portion 421 to slide in order to adjust the wobbling angle of bracing piece 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a transformer substation's ground net fault diagnosis device, includes instrument body (1) and a plurality of detection wiring of being connected with instrument body (1) electricity, its characterized in that: the instrument body comprises an instrument body (1), wherein a base (5) is fixedly connected to the bottom of the instrument body, at least three supporting rods (3) are arranged on the base (5), the supporting rods (3) are distributed around the circumference of the base (5), and the supporting rods (3) are detachably connected with the base (5).

2. The substation grounding grid fault diagnosis device according to claim 1, characterized in that: the utility model discloses a three bracing piece, including base (5), bracing piece (3) are provided with three, three the one end of bracing piece (3) all with base (5) are articulated, the other end of bracing piece (3) is towards keeping away from or being close to base (5) direction swing, be equipped with three bracing piece (3) swing angle's of synchronous regulation regulating part (4) on base (5).

3. The substation grounding grid fault diagnosis device according to claim 2, characterized in that: adjusting part (4) include with base (5) fixed well core rod (41), threaded connection has adjusting collar (42) on well core rod (41), adjusting collar (42) cup joint in well core rod (41), adjusting collar (42) with be connected with movable rod (43) between bracing piece (3), the both ends of movable rod (43) respectively with adjusting collar (42) with bracing piece (3) are articulated, adjusting collar (42) with movable rod (43) rotate to be connected, movable rod (43) with adjusting collar (42) articulated shaft is on a parallel with movable rod (43) with bracing piece (3) articulated shaft, movable rod (43) with adjusting collar (42) articulated shaft with well core rod (41) is perpendicular.

4. The substation grounding grid fault diagnosis device according to claim 3, characterized in that: the one end and the middle part position department that base (5) were kept away from to well core rod (41) all are provided with the screw thread, be smooth section between the both ends screw thread section of well core rod (41).

5. The substation grounding grid fault diagnosis device according to claim 3, characterized in that: the base (5) comprises an upper base plate (51) and a lower base plate (52) which are oppositely arranged, the upper base plate (51) is in threaded connection with the lower base plate (52), the central rod (41) is inserted into the lower base plate (52), and the central rod (41) is in threaded connection with the lower base plate (52).

6. The substation grounding grid fault diagnosis device according to claim 5, characterized in that: fixedly connected with jib (6) on upper plate (51), jib (6) rotate with instrument body (1) and are connected, be equipped with on jib (6) with instrument body (1) with retaining member (7) that jib (6) are locked.

7. The substation grounding grid fault diagnosis device according to claim 6, characterized in that: retaining member (7) include check lock lever (71), check lock lever (71) pass jib (6) and insert connect in instrument body (1), check lock lever (71) with instrument body (1) fixed connection, check lock lever (71) are kept away from outside jib (6) are stretched out to the one end of instrument body (1), check lock lever (71) rotate with jib (6) and are connected, check lock lever (71) stretch out the outer one end threaded connection of jib (6) and have latch segment (72), work as the terminal surface of latch segment (72) with when jib (6) support tightly, instrument body (1) with jib (6) are fixed.

8. The substation grounding grid fault diagnosis device according to claim 7, characterized in that: the number of the hanging rods (6) is two, and the two hanging rods (6) are respectively positioned on two sides of the instrument body (1).

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