CN219472634U - Shockproof device with online monitoring function special for GIL - Google Patents

Abstract

The utility model discloses a shockproof device with an online monitoring function special for GIL, which consists of a hydraulic damper and a mounting mechanism, wherein: the mounting mechanism comprises a connecting component and a fine tuning component, and the bottom of the connecting component is arranged on the inner side of the fine tuning component in a sliding way; the hydraulic damper is arranged at the bottom end of the fine adjustment assembly and consists of a pressing part and a damping part, the pressing part is movably arranged on the damping part and props against the damping part, the pressing part comprises an upper side fixing plate and a piston rod fixed at the bottom of the upper side fixing plate, the damping part comprises a lower side fixing plate, and an oil storage cylinder is fixed on the lower side fixing plate; through the design of the utility model, the problem of vibration of the GIL under the background of a special environment is solved, the vibration device is very simple to install and maintain, is durable and reliable, and meanwhile, the vibration frequency and the amplitude are early-warned by utilizing an online detection system, so that the integral intelligent degree is higher.

Description

Shockproof device with online monitoring function special for GIL

Technical Field

The utility model belongs to the technical field of alternating-current high-voltage and ultra-high-voltage transmission, and particularly relates to a shockproof device with an online monitoring function special for GIL.

Background

With the acceleration of urban process in China, urban power grid load is increased, the electric power transmission engineering is applied to the east of the west, and the high-voltage alternating-current GIL becomes an effective selection scheme for electric energy transmission by virtue of the unique advantages of the high-voltage alternating-current GIL, so that the GIL has increasingly outstanding effect in a power transmission and transformation system. However, the GIL laying modes are more in variety and complex in working condition, and particularly relate to geographic positions with high vibration frequency and large amplitude such as a bridge crossing, an underground tunnel crossing railway, a high-speed road section and the like, and the GIL body belongs to a rigid structure and has certain power failure risks caused by long-term high-frequency and large-amplitude vibration on the GIL power transmission system.

Disclosure of Invention

The utility model aims to provide a shockproof device with an online monitoring function special for GIL, which solves the problem that the GIL body provided in the background art is easy to vibrate and causes power failure risk.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a vibration-proof device with on-line monitoring function special for GIL is composed of a hydraulic damper and an installation mechanism, wherein:

the mounting mechanism comprises a connecting component and a fine tuning component, and the bottom of the connecting component is arranged on the inner side of the fine tuning component in a sliding way;

the hydraulic damper is arranged at the bottom end of the fine adjustment assembly and consists of a pressing part and a damping part, and the pressing part is movably arranged on the damping part and props against the damping part.

Preferably, the pressing part comprises an upper fixing plate and a piston rod fixed at the bottom of the upper fixing plate, the damping part comprises a lower fixing plate, an oil storage cylinder is fixed on the lower fixing plate, a working cylinder is arranged in the oil storage cylinder, hydraulic oil is injected into the working cylinder, the piston rod is positioned in the working cylinder, a compensation valve and a compression valve are sequentially arranged at the bottom end of the working cylinder from top to bottom, a circulation valve is further arranged in the working cylinder, and the circulation valve sleeve is arranged on the piston rod.

Preferably, a dust cover is further arranged at the bottom of the upper fixing plate, and the dust cover is positioned outside the oil storage cylinder.

Preferably, the connecting assembly comprises a lower hoop member, the lower hoop member is composed of a mounting seat and a lower hoop, an upper hoop is further arranged at the top of the lower hoop, and a self-sliding block is further fixed at the bottom end of the lower hoop member.

Preferably, the fine adjustment assembly comprises a fixing plate, guide blocks are mounted on two sides of the top of the fixing plate through bolts, and the guide blocks are limited on the mounting seat in a sliding mode.

Preferably, a vibration monitoring sensor is installed on the bottom end face of the lower hoop, a steel structure cross arm is arranged at the bottom of the lower hoop through a vibration monitoring sensor pair, and a wire monitor is installed at the bottom end of the steel structure cross arm.

Preferably, two mounting rings detachably connected through bolts are further arranged on the inner side of the opening of the dust cover, a ball groove is further formed in the inner side of the mounting ring, balls are clamped in the inner side of the ball groove, and the balls are in rolling connection with the outer surface of the working oil cylinder.

Preferably, the inner side surface of the mounting ring is also adhered with a rubber ring, and the rubber ring is in a fit shape with the outer surface of the working oil cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

through the design of the utility model, the problem of vibration of the GIL under the background of a special environment is solved, the vibration device is very simple to install and maintain, is durable and reliable, and meanwhile, the vibration frequency and the amplitude are early-warned by utilizing an online detection system, so that the integral intelligent degree is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the installation of the upper and lower hoop members of the present utility model;

FIG. 3 is a sectional view of a hydraulic damper of the present utility model;

FIG. 4 is a schematic view of the installation state of the present utility model;

fig. 5 is an enlarged schematic view of the area a of fig. 3 according to the present utility model.

In the figure: 1. an upper hoop; 2. a lower hoop member; 3. a self-sliding block; 4. a guide block; 5. a hydraulic damper; 51. an upper fixing plate; 52. a lower fixing plate; 53. a reservoir cylinder; 54. a seal ring; 55. a piston rod; 56. an extension valve; 57. a flow-through valve; 58. a compression valve; 59. a compensation valve; 510. a working oil cylinder; 511. a dust cover; 512. hydraulic oil; 6. a steel structure cross arm; 7. a line monitor; 8. a vibration monitoring sensor; 9. a fixing plate; 10. a steel structural plate; 11. a mounting ring; 12. a ball groove; 13. a rubber ring; 14. and (3) rolling balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution; the utility model provides a special shockproof device who has on-line monitoring function of GIL, this shockproof device comprises hydraulic damper 5 and installation mechanism, wherein:

the mounting mechanism comprises a connecting component and a fine tuning component, and the bottom of the connecting component is arranged on the inner side of the fine tuning component in a sliding way;

the hydraulic damper 5 is arranged at the bottom end of the fine adjustment assembly, wherein the top end of the hydraulic damper 5 is fixed with the fixed plate 9 through a bolt, the bottom end is also fixed with the steel structure cross arm 6 through a bolt, the hydraulic damper 5 is composed of a pressing part and a damping part, and the pressing part is movably arranged on the damping part and props against the damping part.

In this embodiment, preferably, the pressing portion includes an upper fixing plate 51 and a piston rod 55 fixed at the center of the bottom of the upper fixing plate 51, the damping portion includes a lower fixing plate 52, an integrated oil storage cylinder 53 is provided on the lower fixing plate 52, a working cylinder 510 is provided inside the oil storage cylinder 53, a sealing ring 54 for sealing is further provided at the top of the oil storage cylinder 53 and the working cylinder 510, hydraulic oil 512 is injected into the working cylinder 510 under the action of a compression valve 58 and a compensation valve 59, the piston rod 55 is located inside the working cylinder 510, the bottom end of the working cylinder 510 is sequentially provided with the compensation valve 59 and the compression valve 58 which are mutually communicated from top to bottom, when the GIL pipe is vibrated to cause instantaneous high-frequency and large-amplitude vibration, the hydraulic damper 5 is started, the piston rod 55 moves toward the direction of the lower fixing plate 52, and synchronously extrudes the hydraulic oil 512, at this time, the hydraulic oil 512 flows out from the extension valve 56, the compensation valve 59 is compressed and synchronizes the pressure to the compression valve 58, after the compression valve 58 receives the pressure, when the piston rod 55 is lifted upwards, the reaction force is applied to the compensation valve 59 to ensure that the liquid level of the hydraulic oil 512 is unchanged, meanwhile, in the early injection, the hydraulic oil 512 is injected through the compression method 58 and the compensation valve 59, since the opening of the extension valve 56 is fixed, the discharging speed is fixed, the shock absorption is more uniform, the reverse force with the same magnitude as the vibration is generated, the balance GIL bus pipeline generates larger vibration, the vibration amplitude is greatly reduced, the GIL equipment pipeline is protected, wherein the hydraulic oil 512 adopts vegetable oil, the single-point load can be reduced by average stress, thereby the shock-proof device is miniaturized, the material is saved, the load bearing capacity is increased, the circulation valve 57 is also arranged inside the working oil cylinder 510, the working cylinder 510 is internally formed with a sealed cavity, and the flow valve 57 is hermetically sleeved on the piston rod 55.

In this embodiment, the bottom of the upper fixing plate 51 is preferably further provided with a dust cover 511, and the dust cover 511 is located outside the reservoir 53, so that in use, a dust-proof function can be achieved by the dust cover 511.

In this embodiment, preferably, coupling assembling includes down staple bolt spare 2, and lower staple bolt spare 2 comprises mount pad and lower staple bolt, and the top of lower staple bolt still is provided with last staple bolt 1 through bolt fastening, in the installation, places the GIL generating line pipeline and locks between last staple bolt 1 and lower staple bolt, and the bottom of lower staple bolt spare 2 still is fixed with from slider 3, is connected with steel construction cross arm 6 from slider 3.

In this embodiment, preferably, the fine adjustment assembly includes a fixing plate 9, and guide blocks 4 made of tetrafluoro polyethylene, which is a high-strength mixed material having a lubricating effect, are mounted on both sides of the top of the fixing plate 9 through bolts, and the guide blocks 4 are slidably limited on the mounting base, so that when vibration occurs, slight movement of the mounting base can be realized, thereby reducing vibration.

In this embodiment, preferably, install vibration monitoring sensor 8 on the bottom end face of lower staple bolt, carry out real-time supervision through vibration monitoring sensor 8 to the vibration condition that GIL equipment pipeline received to make corresponding adjustment or early warning through the information of feedback, and be provided with steel construction cross arm 6 in the bottom of lower staple bolt spare 2, steel construction cross arm 6 passes through the bolt or welded mode is fixed with steel construction board 10, and line monitor 7 is installed to the bottom of steel construction cross arm 6, and line monitor 7 can monitor the position condition of whole steel construction cross arm 6.

In this embodiment, the opening inboard of dust cover 511 still is provided with two collar 11 through the detachable connection of bolt, the surface of collar 11 passes through threaded connection with the inner wall of dust cover 511, thereby avoid dropping, ball groove 12 has still been seted up to the inboard at collar 11, ball 14 has been gone into to the inboard card in ball groove 12, ball 14 and the surface roll connection of working cylinder 510, with this interval packing and support between dust cover 511 and the working cylinder 510, guarantee that the skew can not appear in the vertical motion of later stage piston rod 55, the medial surface of collar 11 passes through glue bonding rubber ring 13, the outer surface of rubber ring 13 and working cylinder 510 presents laminating form, further promote dustproof effect.

The operating principle adopts the anchor ear 1, down anchor ear 2 and GIL pipeline lock to attach fixedly, forms shock mounting and GIL pipeline integration, and spacing and the same frequency function of same speed when vibrating when playing the removal, GIL pipeline body is in non-vibration environment, and GIL pipeline normally carries out trace deflection, inflation slow movement in vertical, carries out slow even pressure release through hydraulic damper 5 mouthfuls in the shock mounting.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a special shockproof device who has on-line monitoring function of GIL which characterized in that: the shockproof device consists of a hydraulic damper (5) and a mounting mechanism, wherein:

the mounting mechanism comprises a connecting component and a fine tuning component, and the bottom of the connecting component is arranged on the inner side of the fine tuning component in a sliding way;

the hydraulic damper (5) is arranged at the bottom end of the fine adjustment assembly, the hydraulic damper (5) is composed of a pressing part and a damping part, and the pressing part is movably arranged on the damping part and props against the damping part.

2. The vibration damper with online monitoring function for GIL according to claim 1, wherein: the hydraulic oil pump is characterized in that the pressing part comprises an upper fixing plate (51) and a piston rod (55) fixed at the bottom of the upper fixing plate (51), the damping part comprises a lower fixing plate (52), an oil storage cylinder (53) is fixed on the lower fixing plate (52), a working oil cylinder (510) is arranged in the oil storage cylinder (53), hydraulic oil (512) is injected into the working oil cylinder (510), the piston rod (55) is located in the working oil cylinder (510), a compensation valve (59) and a compression valve (58) are sequentially arranged at the bottom end of the working oil cylinder (510) from top to bottom, a circulation valve (57) is further arranged in the working oil cylinder (510), and the circulation valve (57) is sleeved on the piston rod (55).

3. The vibration damper with online monitoring function for GIL according to claim 2, wherein: the bottom of the upper fixing plate (51) is also provided with a dust cover (511), and the dust cover (511) is positioned outside the oil storage cylinder (53).

4. The vibration damper with online monitoring function for GIL according to claim 1, wherein: the connecting assembly comprises a lower hoop (2), the lower hoop (2) is composed of a mounting seat and a lower hoop, the top of the lower hoop is further provided with an upper hoop (1), and the bottom end of the lower hoop (2) is further fixed with a self-sliding block (3).

5. The vibration isolation device with on-line monitoring function for GIL according to claim 4, wherein: the fine adjustment assembly comprises a fixing plate (9), guide blocks (4) are mounted on two sides of the top of the fixing plate (9) through bolts, and the guide blocks (4) are limited on the mounting seat in a sliding mode.

6. The vibration isolation device with on-line monitoring function for GIL according to claim 4, wherein: install vibration monitoring sensor (8) on the bottom end face of down staple bolt, through vibration monitoring sensor (8) pair, and the bottom of down staple bolt spare (2) is provided with steel construction cross arm (6), line monitor (7) are installed to the bottom of steel construction cross arm (6).

7. The vibration damper with online monitoring function for GIL according to claim 3, wherein: the inner side of the opening of the dust cover (511) is also provided with two mounting rings (11) which are detachably connected through bolts, the inner side of each mounting ring (11) is also provided with a ball groove (12), the inner side of each ball groove (12) is clamped with a ball (14), and the balls (14) are in rolling connection with the outer surface of the working oil cylinder (510).

8. The vibration isolation device with on-line monitoring function for GIL according to claim 7, wherein: the inner side surface of the mounting ring (11) is also adhered with a rubber ring (13), and the outer surface of the rubber ring (13) and the outer surface of the working oil cylinder (510) are in a fitting shape.