CN211505824U

CN211505824U - Device for improving detection accuracy of direct current system of transformer substation

Info

Publication number: CN211505824U
Application number: CN201922065407.3U
Authority: CN
Inventors: 陈翔; 陈钟楠; 陈嘉奇
Original assignee: Zhuhai Electric Power Construction Engineering Co ltd
Current assignee: Zhuhai Electric Power Construction Engineering Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-15
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to an electric power detects technical field, and an improve transformer substation's direct current system and detect rate of accuracy device is disclosed, including bottom plate and detection host computer, the upper end of bottom plate is equipped with damper and is connected with the detection host computer through damper, the right side of detecting the host computer is connected with the test pen through the wire, be equipped with fixture on the test pen, the upper end right side fixedly connected with bracing piece of bottom plate, the upper end fixedly connected with U-shaped plate of bracing piece, the lateral wall of U-shaped plate has the threaded rod through screw hole threaded connection, the threaded rod is located the inside one end of U-shaped plate and rotates through antifriction bearing and be connected with the pressure strip, the threaded rod is. The utility model discloses it is fixed to be convenient for carry out the centre gripping to detecting the cable, and is convenient for carry out the centre gripping with the detection pen and cable, liberates people's both hands, improves detection efficiency, improves and detects the accuracy, still is convenient for carry out the shock attenuation buffering to detecting the host computer, and the people of being convenient for use.

Description

Device for improving detection accuracy of direct current system of transformer substation

Technical Field

The utility model relates to an electric power detects technical field, especially relates to an improve direct current system of transformer substation and detect rate of accuracy device.

Background

The DC power supply system is one of three hidden projects in a transformer substation, provides uninterrupted power supply for important conventional loads, relay protection and automatic devices and telecontrol communication devices, and provides accident lighting power supply. When the direct current power supply system is abnormal or has a fault, the direct current power supply system may cause the false actions or rejection actions of a signal device, a relay protection and automatic device and a circuit breaker, may cause the short circuit of the direct current power supply, cause the fuse nongs, or the fast power supply switch to be disconnected, cause the equipment to lose the operating power supply, cause the serious fault and even the accident of the power system, and cause the large-area power failure. The abnormal or fault of the direct current system is an emergency defect, the time limit requirement is eliminated, and the direct current system needs to be rapidly processed.

At present, when the direct current power supply system of transformer substation broke down, need use the direct current power supply who detects the host computer and detect the cable, but among the prior art, when the detection host computer detected the direct current power supply of cable, need people's use tools to be connected the cable with the sense terminal that detects the host computer, the operation is more troublesome, and takes place to drop easily, influences detection accuracy and detection efficiency, consequently, provides an improvement transformer substation's direct current system and detects rate of accuracy device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and detecting when the host computer detects the DC power supply of cable, need people's use tools to be connected the cable with the sense terminal that detects the host computer, the operation is more troublesome, and takes place to drop easily, influences the problem that detects accuracy and detection efficiency, and the improvement transformer substation's direct current system who provides detects the rate of accuracy device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an improve direct current system of transformer substation and detect rate of accuracy device, includes the bottom plate and detects the host computer, the upper end of bottom plate is equipped with damper and is connected with the detection host computer through damper, the right side of detecting the host computer is connected with through the wire and detects the pen, be equipped with fixture on the detection pen, the upper end right side fixedly connected with bracing piece of bottom plate, the upper end fixedly connected with U-shaped plate of bracing piece, the lateral wall of U-shaped plate has the threaded rod through screw hole threaded connection, the one end that the threaded rod is located U-shaped plate inside is rotated through antifriction bearing and is connected with the pressure strip, the threaded rod is located the outside one end fixedly connected with knob of U-shaped plate, the equal fixedly connected with gyro wheel in lower extreme four corners department of bottom plate, the fixed.

Preferably, damper includes shock attenuation board, a plurality of sleeve, a plurality of shock attenuation pole and a plurality of damping spring, the shock attenuation board is with the lower extreme fixed connection who detects the host computer, and is a plurality of the upper end of shock attenuation pole respectively with the lower extreme four corners department fixed connection of shock attenuation board, it is a plurality of the sleeve cup joints with a plurality of shock attenuation pole activities respectively, the shock attenuation pole is located the inside one end of sleeve and damping spring fixed connection, a plurality of telescopic lower extremes all with bottom plate fixed connection.

Preferably, the pole wall of shock-absorbing rod is located the slider that two symmetries of the inside one end fixedly connected with of sleeve set up, telescopic inside wall seted up two with slider assorted spout, telescopic upper end fixedly connected with annular damping cover, annular damping cover cup joints with the shock-absorbing rod slip, and the inside wall of annular damping cover contacts the setting with the shock-absorbing rod.

Preferably, the equal fixedly connected with fixing bolt in both sides about the upper end of shock attenuation board, the equal fixedly connected with fixed block in the left and right sides of detecting the host computer, two the fixed block all cup joints with two fixing bolt activities respectively through the through-hole, and the equal threaded connection of two fixing bolt has the nut.

Preferably, the clamping mechanism comprises a clamping rod, a connecting block is fixedly connected to the middle of the upper side wall of the detection pen, the side wall of the connecting block is rotatably connected with the clamping rod through a rotating shaft, a torsion spring is movably sleeved on the shaft wall of the rotating shaft, one end of the torsion spring is fixedly connected with the connecting block, the other end of the torsion spring is fixedly connected with the clamping rod, a pressing rod is fixedly connected to the left end of the clamping rod, and one end, away from the clamping rod, of the pressing rod is inclined upwards.

Preferably, the right side of the detection host is fixedly connected with a supporting plate through a connecting rod, and the upper end of the supporting plate is fixedly connected with an elastic clamp.

Compared with the prior art, the utility model provides an improve direct current system of transformer substation and detect rate of accuracy device possesses following beneficial effect:

1. this improve direct current system of transformer substation and detect rate of accuracy device through the bottom plate that is equipped with, detect host computer, wire, detection pen, bracing piece, U-shaped pole, threaded rod, pinch-off blades and the mutually supporting of knob, is convenient for carry out the centre gripping to the cable to the people of being convenient for detect, improve detection efficiency.

2. This improve direct current system of transformer substation and detect rate of accuracy device is convenient for carry out the centre gripping with test pen and cable through the fixture that is equipped with, can liberate people's both hands, and the more accurate detection of people of being convenient for carries out the shock attenuation buffering to detecting the host computer through the damper that is equipped with, causes when avoiding the device to remove to detect the host computer vibrations and cause the damage.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for carry out the centre gripping to detecting the cable fixed, and be convenient for carry out the centre gripping with the test pen and cable, liberate people's both hands, improve detection efficiency, improve and detect the accuracy, still be convenient for carry out the shock attenuation buffering to detecting the host computer, the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a device for improving the detection accuracy of a dc system of a transformer substation provided by the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic view of the internal structure of the sleeve of fig. 1.

In the figure: the device comprises a base plate 1, a detection host machine 2, a lead 3, a detection pen 4, a support rod 5, a U-shaped plate 6, a threaded rod 7, a compression plate 8, a knob 9, a roller 10, a U-shaped push rod 11, a damping plate 12, a sleeve 13, a damping rod 14, a damping spring 15, a sliding block 16, an annular damping sleeve 17, a fixing bolt 18, a fixing block 19, a nut 20, a clamping rod 21, a connecting block 22, a torsion spring 23, a compression rod 24, a support plate 25 and an elastic clamping 26.

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. 1-3, a device for improving the detection accuracy of a direct current system of a transformer substation, comprising a bottom plate 1 and a detection host 2, wherein the upper end of the bottom plate 1 is provided with a damping mechanism and is connected with the detection host 2 through the damping mechanism, the right side of the detection host 2 is connected with a detection pen 4 through a lead 3, the detection pen 4 is provided with a clamping mechanism, the right side of the upper end of the bottom plate 1 is fixedly connected with a support rod 5, the upper end of the support rod 5 is fixedly connected with a U-shaped plate 6, the side wall of the U-shaped plate 6 is connected with a threaded rod 7 through a threaded hole and a threaded rod 7, one end of the threaded rod 7, which is positioned inside the U-shaped plate 6, is rotatably connected with a compression plate 8 through a rolling bearing, one end of the threaded rod 7, which is positioned outside the U, the people thrust unit of being convenient for removes, detects host computer 2 and is convenient for detect the DC power supply of cable, and this is prior art.

Damper includes damper 12, a plurality of sleeves 13, a plurality of shock attenuation pole 14 and a plurality of damping spring 15, damper 12 and the lower extreme fixed connection who detects host computer 2, a plurality of shock attenuation pole 14 upper end respectively with damper 12's lower extreme four corners department fixed connection, a plurality of sleeves 13 cup joint with a plurality of shock attenuation pole 14 activities respectively, shock attenuation pole 14 is located the inside one end of

sleeve

13 and 15 fixed connection of damping spring, a plurality of sleeve 13's lower extreme all with 1 fixed connection of bottom plate, a plurality of damping spring 15 carry out the shock attenuation buffering to a plurality of shock attenuation poles 14, a plurality of shock attenuation poles 14 are to this board 12 of shock attenuation, thereby can carry out the shock attenuation buffering to detecting host computer 2.

The pole wall of shock absorber pole 14 is located the slider 16 that two symmetries of the inside one end fixedly connected with of sleeve 13 set up, two and slider 16 assorted spouts have been seted up to the inside wall of sleeve 13, it is more stable when can making shock absorber pole 14 remove, sleeve 13's upper end fixedly connected with annular damping cover 17, annular damping cover 17 cup joints with shock absorber pole 14 slip, and the inside wall of annular damping cover 17 contacts the setting with shock absorber pole 14, can avoid taking place anti-phenomenon of shaking after the shock absorber pole 14 shock attenuation.

The equal fixedly connected with fixing bolt 18 in the upper end left and right sides of shock attenuation board 12, the equal fixedly connected with fixed block 19 in the left and right sides of detecting host computer 2, two fixed blocks 19 all cup joint with two fixing bolt 18 activities respectively through the through-hole, and the equal threaded connection of two fixing bolt 18 has nut 20, is convenient for fix detecting host computer 2, and is convenient for dismantle.

Fixture includes clamping bar 21, detect the upper side wall middle part fixedly connected with connecting block 22 of pen 4, connecting block 22's lateral wall rotates with clamping bar 21 through the pivot to be connected, torque spring 23 has been cup jointed in the axle wall activity of pivot, torque spring 23's one end and connecting block 22 fixed connection, torque spring 23's the other end and clamping bar 21 fixed connection, clamping bar 21's left end fixedly connected with depression bar 24, the one end tilt up that clamping bar 21 was kept away from to depression bar 24 sets up, it can drive clamping bar 21 and rotate to press depression bar 24, thereby make clamping bar 21 open with detection pen 4, will press clamping bar 21, detection pen 4 carries out the centre gripping with the cable, it rotates to drive clamping bar 21 through the torque spring 23 that is equipped with, thereby can carry out the centre gripping with detection pen 4 and cable.

The right side of the detection host machine 2 is fixedly connected with a supporting plate 25 through a connecting rod, and the upper end of the supporting plate 25 is fixedly connected with an elastic clamp 26, so that the detection pen 4 can be clamped conveniently.

The utility model discloses in, during the use, place the cable in U-shaped board 6, rotation threaded rod 7 drives pinch-off blades 8 and removes, thereby can press from both sides the cable tightly, press depression bar 24 and can drive pinch-off blades 21 and rotate, thereby make pinch-off blades 21 and test pen 4 open, with pinch-off blades 21, test pen 4 carries out the centre gripping with the cable, 23 drive pinch-off blades 21 through the torsion spring who is equipped with rotate and move, thereby can carry out the centre gripping with test pen 4 and cable, be convenient for detect the cable at DC power supply through detecting host computer 2.

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

1. The device for improving the detection accuracy of the direct current system of the transformer substation comprises a bottom plate (1) and a detection host (2), and is characterized in that a damping mechanism is arranged at the upper end of the bottom plate (1) and connected with the detection host (2) through the damping mechanism, the right side of the detection host (2) is connected with a detection pen (4) through a wire (3), a clamping mechanism is arranged on the detection pen (4), a supporting rod (5) is fixedly connected to the right side of the upper end of the bottom plate (1), a U-shaped plate (6) is fixedly connected to the upper end of the supporting rod (5), a threaded rod (7) is connected to the side wall of the U-shaped plate (6) through a threaded hole and threads, a pressing plate (8) is rotatably connected to one end, located inside the U-shaped plate (6), of the threaded rod (7) is fixedly connected with a knob (9) at, the equal fixedly connected with gyro wheel (10) of lower extreme four corners department of bottom plate (1), the fixed service brake that is equipped with on gyro wheel (10), the upper end left side fixedly connected with U-shaped push rod (11) of bottom plate (1).

2. The device for improving the detection accuracy of the direct current system of the transformer substation according to claim 1, wherein the damping mechanism comprises a damping plate (12), a plurality of sleeves (13), a plurality of damping rods (14) and a plurality of damping springs (15), the damping plate (12) is fixedly connected with the lower end of the detection host (2), the upper ends of the damping rods (14) are fixedly connected with four corners of the lower end of the damping plate (12), the sleeves (13) are movably sleeved with the damping rods (14), one ends of the damping rods (14) located inside the sleeves (13) are fixedly connected with the damping springs (15), and the lower ends of the sleeves (13) are fixedly connected with the base plate (1).

3. The device for improving the detection accuracy of the direct current system of the transformer substation according to claim 2, characterized in that one end of the rod wall of the shock absorption rod (14) located inside the sleeve (13) is fixedly connected with two symmetrically arranged sliders (16), two sliding grooves matched with the sliders (16) are formed in the inner side wall of the sleeve (13), an annular damping sleeve (17) is fixedly connected to the upper end of the sleeve (13), the annular damping sleeve (17) is in sliding sleeve connection with the shock absorption rod (14), and the inner side wall of the annular damping sleeve (17) is in contact with the shock absorption rod (14).

4. The device for improving the detection accuracy of the direct current system of the transformer substation according to claim 2, wherein fixing bolts (18) are fixedly connected to the left side and the right side of the upper end of the damping plate (12), fixing blocks (19) are fixedly connected to the left side and the right side of the detection host (2), the two fixing blocks (19) are movably sleeved with the two fixing bolts (18) through holes, and nuts (20) are in threaded connection with the two fixing bolts (18).

5. The device for improving the detection accuracy of the substation direct current system according to claim 1, wherein the clamping mechanism comprises a clamping rod (21), a connecting block (22) is fixedly connected to the middle of the upper side wall of the detection pen (4), the side wall of the connecting block (22) is rotatably connected with the clamping rod (21) through a rotating shaft, a torsion spring (23) is movably sleeved on the shaft wall of the rotating shaft, one end of the torsion spring (23) is fixedly connected with the connecting block (22), the other end of the torsion spring (23) is fixedly connected with the clamping rod (21), a pressing rod (24) is fixedly connected to the left end of the clamping rod (21), and one end, far away from the clamping rod (21), of the pressing rod (24) is arranged in an upward inclined manner.

6. The device for improving the detection accuracy of the substation direct current system according to claim 1, wherein a support plate (25) is fixedly connected to the right side of the detection host (2) through a connecting rod, and an elastic clamp (26) is fixedly connected to the upper end of the support plate (25).