CN214368833U

CN214368833U - Reactor chassis of convenient connection of bolt formula

Info

Publication number: CN214368833U
Application number: CN202120264543.XU
Authority: CN
Inventors: 胡正勇; 徐鹏; 牛芝雅; 季怡萍; 李拗龙; 陈小丹
Original assignee: State Grid Shanghai Electric Power Co Ltd; East China Power Test and Research Institute Co Ltd
Current assignee: State Grid Shanghai Electric Power Co Ltd; East China Power Test and Research Institute Co Ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-10-08
Anticipated expiration: 2031-01-30

Abstract

The utility model relates to a reactor chassis of convenient connection of bolt formula, center cross including the integration, four extend atress legs and four group's bolt pieces, four tip of center cross all are equipped with the draw-in groove, the upper surface of draw-in groove is equipped with first through-hole, the lower surface is equipped with the second through-hole, and first through-hole is greater than the second through-hole, the upper surface that extends the atress leg and corresponds the position is equipped with first jack, the lower surface is equipped with the second jack, and the size of first jack and first through-hole matches, the size of second jack and second through-hole matches, four one ends that extend the atress leg and be equipped with the jack are arranged four draw-in grooves respectively in, and after through-hole and jack align, pass first through-hole in proper order by the bolt piece, first jack, second jack and second through-hole are accomplished fixedly. Compared with the prior art, the utility model discloses a extend the convenient high-speed joint of atress leg, simplified the installation procedure, reduced installation time, increased the joint strength of reactor chassis simultaneously, improved the stability of reactor.

Description

Reactor chassis of convenient connection of bolt formula

Technical Field

The utility model relates to a reactor chassis that field test used especially relates to a reactor chassis of convenient connection of bolt formula for GIS on-spot withstand voltage test.

Background

The field withstand voltage test value of GIS (combined electrical apparatus) equipment is very high, especially the field test voltage of extra-high voltage (alternating current 1000kV, direct current +/-800 kV, +/-1100 kV) GIS equipment is usually above 1000kV, multiple sections of reactors need to be stacked together for use during the field withstand voltage test, the height of the reactor after stacking is usually above 6 meters, and the weight is above 10 tons; when the installation ground is stressed and deformed or the reactor is subjected to other forces (such as strong wind), the risk of toppling exists; due to the safety consideration, the bottom of the reactor is additionally provided with the cross underframe, and because of the convenience in transportation, the cross underframe of the reactor usually adopts a structure of a central cross and four extending stress legs, so that the stress point span can be increased, the stability of the reactor is improved, and the safe implementation of a field test is ensured.

As known in the power industry, the existing reactor underframe with extension legs usually adopts a bolt connection structure, as shown in fig. 1, the structure is generally formed by connecting a center cross 1 and extension stress legs 2 because the size of the cross underframe needs to be very large in the field of ultra-high voltage test reactors, specifically, the extension stress legs 2 are connected to four ends of the center cross 1 by bolts, and each end face is usually connected by 4 groups of bolts. The cross underframe with the existing structure is very inconvenient to install and use on site, needs a lot of time for assembling the underframe, is connected and fixed together by one bolt, can be assembled by a plurality of people, and is very time-consuming and labor-consuming; meanwhile, after the cross underframe with the existing structure is used for many times, because the end parts of steel materials deform under stress and the connecting holes shift, 4 groups of bolts on each connecting end surface can only be installed for 2-3 groups frequently, and the installation cannot be completed completely, so that the connecting strength is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reactor chassis of convenient connection of bolt formula in order to overcome the defect that above-mentioned prior art exists, through the center cross of design integration, combine special design's draw-in groove, jack and bolt piece, realized extending the convenient high-speed joint of atress leg, simplified the installation procedure, reduced installation time, increased the joint strength of reactor chassis simultaneously, improved the stability of reactor.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a reactor chassis of convenient connection of bolt formula, includes the center cross of integration, four extension atress legs and four groups bolt pieces, four tip of center cross all are equipped with the draw-in groove, and the upper surface of draw-in groove is equipped with first through-hole, and the lower surface is equipped with the second through-hole, and first through-hole is greater than the second through-hole, the upper surface that extends the atress leg and corresponds the position is equipped with first jack, and the lower surface is equipped with the second jack, and the size of first jack and first through-hole matches, and the size of second jack and second through-hole matches, and four one end that extend the atress leg and be equipped with the jack are arranged four draw-in grooves respectively in, and after through-hole and jack align, pass first through-hole, first jack, second jack and second through-hole in proper order by the bolt piece and accomplish fixedly.

The clamping groove is provided with two first through holes and two second through holes, and the extension stress leg is provided with two first jacks and two second jacks.

And the position of the center cross, which is close to the clamping groove, is provided with an adjusting supporting leg.

At least one adjusting supporting leg is arranged on the extending stress leg.

One side surface of the clamping groove of the center cross is hollowed out.

And reinforcing ribs are arranged on the upper surface and the lower surface of the clamping groove of the center cross.

The latch piece is trapezoidal.

And the adjusting supporting legs are provided with adjusting handles.

And a lifting hole is formed in the center cross.

And the extending stress leg is provided with a lifting hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the integrated center cross is obtained by welding, and the clamping groove, the jack and the bolt piece which are specially designed are combined, so that the convenient and fast connection of the extension stress leg is realized, the installation process is simplified, and the installation time and the required manpower are greatly reduced.

2) The structure has the advantages that the structure is fixed by two trapezoidal bolt pieces, the bolt pieces are wide at the upper part and narrow at the lower part, and the structure has a self-locking function under the action of gravity, so that the structure can be self-adaptive to the displacement change of a stress point caused by ground deformation.

3) Through-hole, jack are located in the middle of the steel construction, and the bolt piece size is big than traditional connecting bolt moreover, and simulation analysis discovers that this structure is bigger than traditional bolted connection's structural strength, has increased the joint strength of chassis.

4) The structure that a plurality of adjusting supporting legs are arranged on the central cross and the extending stress legs increases the stress point span and improves the stability of the reactor.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is an enlarged, half-sectional view of area A of FIG. 2;

FIG. 4 is a schematic view of an embodiment of a center cross;

FIG. 5 is a schematic view of an embodiment extended stressed leg;

FIG. 6 is a schematic view of the extended stress leg after being placed in the card slot;

wherein: 1 is central cross, 2 is the extension atress leg, 3 is the bolt piece, 4 is the regulation supporting legs, 101 is the draw-in groove, 102 is first through-hole, 103 is the second through-hole, 104 is the strengthening rib, 105 is the lewis hole, 201 is first jack, 202 is the second jack, 203 is the lewis hole, 401 is the adjustment handle.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

A reactor chassis with a plug pin type convenient connection is shown in figure 2 and comprises an integrated center cross 1, four extension stress legs 2 and four groups of plug pins 3.

Four ends of the center cross 1 are provided with clamping grooves 101, the upper surface of each clamping groove 101 is provided with a first through hole 102, the lower surface of each clamping groove 101 is provided with a second through hole 103, the first through holes 102 are larger than the second through holes 103, and the upper surface of the center cross 1 is further provided with reinforcing ribs 104 and hanging holes 105, as shown in fig. 4. The upper surface of the corresponding position of the extending stress leg 2 is provided with a first jack 201, the lower surface is provided with a second jack 202, the first jack 201 is matched with the first through hole 102 in size, the second jack 202 is matched with the second through hole 103 in size, and the upper surface of the extending stress leg 2 is further provided with a hanging hole 203, as shown in fig. 5. One side of each of the four extending stress legs 2, which is provided with the jack, is arranged in each of the four clamping grooves 101 of the center cross 1, and after the through holes and the jacks are aligned, the plug pin pieces 3 sequentially penetrate through the first through holes 102, the first jacks 201, the second jacks 202 and the second through holes 103 to be fixed.

The specific installation sequence is as follows: firstly, the center cross 1 is hoisted out, the horizontal arrangement of the center cross 1 is realized by adjusting the height of the adjustable supporting legs 4, then the four extending stress legs 2 are hoisted out, one end provided with the jack is placed in the clamping groove 101 of the center cross 1, then the latch piece 3 is inserted, and the height of the adjustable supporting legs 4 is adjusted, thus the installation is completed. And when the device is disassembled, the operation is vice versa.

In some embodiments, as shown in fig. 3, the pin piece 3 has a trapezoidal shape, and the pin piece 3 will tightly connect the extended stress leg 2 and the center cross 1 due to gravity, like a wedge.

In some embodiments, only one first through hole 102 and one second through hole 103 are provided in the slot 101 of the center cross 1, and correspondingly, only one first insertion hole 201 and one second insertion hole 202 are provided in the extension force-bearing leg 2.

In some embodiments, the upper and lower surfaces of the slots 101 of the center cross 1 are provided with ribs 104 to increase the structural strength of the center cross 1.

In some embodiments, the adjusting handle 401 is arranged on the adjusting supporting foot 4, and the height can be easily adjusted by manually using the adjusting handle 401, so that an external operating handle is not needed.

In some embodiments, the center cross 1 is provided with a plurality of hanging holes 105, and the extended stress leg 2 is also provided with a plurality of hanging holes 203 for facilitating hoisting, wherein the hanging holes at the gravity line position facilitate angle adjustment during installation.

In some embodiments, the center cross 1 is made of steel and likewise the extended stress legs 2 are made of steel to improve the strength of the underframe.

Claims

1. A reactor chassis with a plug-type convenient connection is characterized by comprising an integrated center cross (1), four extension stress legs (2) and four groups of plug pieces (3), wherein four ends of the center cross (1) are respectively provided with a clamping groove (101), the upper surface of each clamping groove (101) is provided with a first through hole (102), the lower surface of each clamping groove (101) is provided with a second through hole (103), the first through hole (102) is larger than the second through hole (103), the upper surface of the corresponding position of each extension stress leg (2) is provided with a first jack (201), the lower surface of each extension stress leg is provided with a second jack (202), the first jack (201) is matched with the size of the first through hole (102), the second jack (202) is matched with the size of the second through hole (103), one end of each extension stress leg (2) provided with jacks is respectively arranged in the four clamping grooves (101), and the through holes and the jacks are aligned, the fixing is completed by the fact that the pin sheet (3) penetrates through the first through hole (102), the first jack (201), the second jack (202) and the second through hole (103) in sequence.

2. Reactor chassis according to claim 1, characterised in that two first through holes (102) and two second through holes (103) are provided in the clamping slot (101), and two first jacks (201) and two second jacks (202) are provided in the extended stress leg (2).

3. Reactor chassis with pin easy connection according to claim 1, characterized in that the center cross (1) near the slot (101) is provided with an adjusting support foot (4).

4. Reactor chassis according to claim 1, characterised in that at least one adjusting foot (4) is provided on the extended stressed leg (2).

5. Reactor chassis for a plug-type easy connection according to claim 1, characterized in that one side of the slot (101) of the center cross (1) is hollowed out.

6. Reactor chassis for a plug-type easy connection according to claim 1, characterized in that the upper and lower surfaces of the slots (101) of the center cross (1) are provided with reinforcing ribs.

7. Reactor chassis for a pin easy connection according to claim 1, characterized in that the pin plates (3) are trapezoidal.

8. A reactor chassis with a pin-type convenient connection according to claim 3 or 4, characterized in that the adjusting support leg (4) is provided with an adjusting handle (401).

9. Reactor chassis according to claim 1, characterised in that the centre cross (1) is provided with lifting holes.

10. Reactor chassis for a plug-type easy connection according to claim 1, characterised in that the extended stress legs (2) are provided with lifting holes.