CN213144499U

CN213144499U - Bolt connection type support frame with annular structure

Info

Publication number: CN213144499U
Application number: CN202021812985.5U
Authority: CN
Inventors: 张宗恩; 雒建奎; 骆维斌; 王延文; 宋卫忠; 张占旭; 何世荣; 袁海峰
Original assignee: Gansu Road&bridge No4 Highway Engineering Co ltd; Gansu Road and Bridge Construction Group Co Ltd
Current assignee: Gansu Road&bridge No4 Highway Engineering Co ltd; Gansu Road and Bridge Construction Group Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-07
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses an annular structure bolted connection formula support frame, which comprises a column, the upper surface of stand is provided with ARC support frame, ARC support frame's the first arc support of inside wall fixedly connected with, ARC support frame's inside wall just is located the below fixedly connected with second ARC support of first ARC support, the upper surface of second ARC support is connected with the lower fixed surface of first ARC support, ARC support frame's the first bracing piece of interior top fixedly connected with. The utility model discloses, through setting up buffer gear, avoid the support frame to receive violent vibrations and damage, improved the life of support frame to reduce the potential safety hazard, through setting up the jack, be convenient for with the support frame jack-up that makes progress, make support frame top and tunnel wall paste together, make the support frame better to the fixed effect of support in tunnel, simple structure, reasonable in design.

Description

Bolt connection type support frame with annular structure

Technical Field

The utility model relates to a tunnel mining technical field especially relates to an annular structure bolted connection formula support frame.

Background

With the continuous advancing of science and technology modernization and industrial modernization pace, the construction of three-dimensional traffic is often not separated from the exploitation and the excavation of a tunnel, the excavated tunnel is often supported in the process of exploitation and excavation, the collapse of the excavated tunnel is prevented, the loss of personnel and property is reduced, along with the development of science and technology, the support mechanism for tunnel exploitation and excavation is greatly developed, and the type and the number of the support mechanism are increasing day by day.

Can produce violent vibrations at the in-process of tunnel exploitation, consequently the support frame that is used for supporting the tunnel exploitation receives the influence of violent vibrations and probably takes place the damage of certain degree, influences the life of support frame, still has very big potential safety hazard simultaneously, and when the support frame was installed, the top of support frame can not paste completely together with the tunnel wall, supports fixed effect not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bolt connection type support frame with an annular structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bolt connection type support frame with a circular structure comprises a stand column, wherein an arc-shaped support frame is arranged on the upper surface of the stand column, a first arc-shaped support frame is fixedly connected to the inner side wall of the arc-shaped support frame, a second arc-shaped support frame is fixedly connected to the inner side wall of the arc-shaped support frame and is positioned below the first arc-shaped support frame, the upper surface of the second arc-shaped support frame is fixedly connected with the lower surface of the first arc-shaped support frame, a first support rod is fixedly connected to the inner top of the arc-shaped support frame, one end, away from the arc-shaped support frame, of the first support rod is fixedly connected with the first arc-shaped support frame, a cross beam is fixedly connected to the side surface of the stand column, a buffer seat is arranged on the upper surface of the cross beam, a slide rod is fixedly connected, the utility model discloses a buffer base, including buffer base, crossbeam, magnet, bracing piece, buffer base, first arc support, second arc support, the top swing joint of buffer base has the second bracing piece, the second bracing piece is located inside one end and the magnet fixed connection of buffer base, the one end and the second arc support fixed connection of buffer base are kept away from to the second bracing piece, the lower fixed surface of crossbeam is connected with the light, the lower surface of crossbeam just is located the both sides fixedly connected with down tube of light, the one end and the stand fixed connection of crossbeam are kept away from to the down tube, the bottom swing joint of stand has the barrel, the interior bottom fixedly connected with jack of barrel, the expansion end.

As a further description of the above technical solution:

the side surface of stand just is located the solid fixed ring of inside fixedly connected with of barrel, the bottom fixedly connected with base of barrel.

As a further description of the above technical solution:

the one end that the barrel was kept away from to the stand is provided with the screw thread post, the lower fixed surface of arc support frame is connected with the connecting plate.

As a further description of the above technical solution:

the through-hole has been seted up to the inside of connecting plate, the stand passes through screw post, connecting plate, nut and arc support frame fixed connection.

As a further description of the above technical solution:

the number of the magnets is multiple, and the magnets repel each other.

As a further description of the above technical solution:

the first supporting rod, the second supporting rod, the buffer seat and the illuminating lamp are arranged on the same vertical shaft, and the diameter of the inner side of the barrel is 1.2 times of the diameter of the outer side of the upright column.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this hoop structure bolted connection formula support frame, through setting up arc support frame, first arc support, second arc support, first bracing piece is with each position of pressure homodisperse to the support frame, avoid pressure to concentrate a bit to cause the damage to the support frame, through setting up the cushion socket, the inside slide bar that is provided with of cushion socket, buffer spring, magnet, a buffer force for reducing the support frame and receiving violent vibrations, avoided the support frame to receive violent vibrations and damage, structural design is reasonable, the service life of support frame has been improved, thereby the potential safety hazard has been reduced.

2. Compared with the prior art, this hoop structure bolted connection formula support frame, the below of stand is provided with the barrel, and the inside jack that is provided with of barrel makes progress jack-up with the support frame through the jack, makes the support frame top paste with the tunnel wall together, and simple structure makes the support frame play the fixed effect of fine support to the tunnel.

Drawings

Fig. 1 is a front view of a bolt connection type support frame with a circular structure provided by the present invention;

fig. 2 is a schematic view of an internal structure of a buffer seat of a bolt connection type support frame with a circular structure according to the present invention;

fig. 3 is a schematic view of a part of the structure of the bolt-connecting support frame with a circular structure according to the present invention.

Illustration of the drawings:

1. a column; 2. a barrel; 3. a base; 4. a jack; 5. a fixing ring; 6. a cross beam; 7. a diagonal bar; 8. an illuminating lamp; 9. an arc-shaped support frame; 10. a first support bar; 11. a first arcuate bracket; 12. a second arc-shaped bracket; 13. a threaded post; 14. a connecting plate; 15. a nut; 16. a second support bar; 17. a buffer seat; 18. a slide bar; 19. a magnet; 20. a buffer spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of circumferential structure bolted connection formula support frame: comprises a column 1, an arc-shaped support frame 9 is arranged on the upper surface of the column 1, the pressure applied on the arc-shaped support frame 9 is uniformly distributed to each part of the support frame through a first arc-shaped support frame 11, a second arc-shaped support frame 12 and a first support rod 10, the support frame is prevented from being crushed by concentrating the pressure on a point, the inner side wall of the arc-shaped support frame 9 is fixedly connected with the first arc-shaped support frame 11, the inner side wall of the arc-shaped support frame 9 is fixedly connected with the second arc-shaped support frame 12 below the first arc-shaped support frame 11, the upper surface of the second arc-shaped support frame 12 is fixedly connected with the lower surface of the first arc-shaped support frame 11, the first support rod 10 is fixedly connected with the inner top of the arc-shaped support frame 9, one end of the first support rod 10 far away from the arc-shaped support frame 9 is fixedly connected with, the damage of the support frame caused by severe vibration is avoided, the inner side wall of the buffer seat 17 is fixedly connected with a slide rod 18, the outer surface of the slide rod 18 is movably connected with a magnet 19, the buffer is performed through mutual repulsion between the magnets 19, a force buffer spring 20 is protected to a certain extent, the outer surface of the slide rod 18 and the magnet 19 are movably connected with a buffer spring 20 for reducing the buffer force of the support frame caused by the severe vibration, the top of the buffer seat 17 is movably connected with a second support rod 16, one end of the second support rod 16, which is positioned inside the buffer seat 17, is fixedly connected with the magnet 19, one end of the second support rod 16, which is far away from the buffer seat 17, is fixedly connected with a second arc-shaped support 12, the lower surface of the beam 6 is fixedly connected with an illuminating lamp 8, the lower surface of the beam 6 and the two sides of the illuminating, one end of the inclined rod 7, which is far away from the cross beam 6, is fixedly connected with the upright post 1, the bottom of the upright post 1 is movably connected with the cylinder body 2, the inner bottom of the cylinder body 2 is fixedly connected with a jack 4, the support frame is jacked upwards through the jack 4, the top of the support frame is attached to the tunnel wall, and the movable end of the jack 4 is fixedly connected with the upright post 1.

The solid fixed ring 5 of the inside fixedly connected with of stand 1's side surface and the barrel 2 that is located, prevent that stand 1 from droing from barrel 2, the bottom fixedly connected with base 3 of barrel 2, the one end that barrel 2 was kept away from to stand 1 is provided with threaded post 13, arc support frame 9's lower fixed surface is connected with connecting plate 14, the through-hole has been seted up to connecting plate 14's inside, stand 1 passes through threaded post 13, connecting plate 14, nut 15 and arc support frame 9 fixed connection, magnet 19's quantity is provided with a plurality ofly, and repel each other between magnet 19 and the magnet 19, first bracing piece 10, second bracing piece 16, buffer seat 17, the same vertical axis setting of light 8, the inboard diameter of barrel 2 is 1.2 times of stand 1 outside diameter.

The working principle is as follows: during operation, arc support frame 9 is through first arc support 11, second arc support 12, each position of support frame will be distributed to the pressure that first bracing piece 10 will receive evenly, avoid pressure to concentrate on a bit and crush the support frame, through setting up buffer seat 17, buffer seat 17 is inside to be provided with slide bar 18, buffer spring 20, magnet 19, utilize buffer spring 20's elasticity, mutual repulsion between magnet 19 and the magnet 19 reduces the cushion effect that the support frame received violent vibrations, avoided the support frame to receive violent vibrations and damage, jack up stand 1 upwards through setting up jack 4, make arc support frame 9 paste together with the tunnel wall, make the support frame play fine support fixed effect to the tunnel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a circumferential structure bolted connection formula support frame, includes stand (1), its characterized in that: the upper surface of the stand (1) is provided with an arc-shaped support frame (9), the inner side wall of the arc-shaped support frame (9) is fixedly connected with a first arc-shaped support frame (11), the inner side wall of the arc-shaped support frame (9) is positioned below the first arc-shaped support frame (11) and is fixedly connected with a second arc-shaped support frame (12), the upper surface of the second arc-shaped support frame (12) is fixedly connected with the lower surface of the first arc-shaped support frame (11), the inner top of the arc-shaped support frame (9) is fixedly connected with a first support rod (10), one end, far away from the arc-shaped support frame (9), of the first support rod (10) is fixedly connected with the first arc-shaped support frame (11), the side surface of the stand (1) is fixedly connected with a cross beam (6), the upper surface of the cross beam (6) is provided with a buffer seat (17, the outer surface swing joint of slide bar (18) has magnet (19), swing joint has buffer spring (20) just to be located between magnet (19) for the surface of slide bar (18), the top swing joint of buffer seat (17) has second bracing piece (16), the one end and magnet (19) fixed connection that second bracing piece (16) are located buffer seat (17) inside, the one end and the second arc support (12) fixed connection of buffer seat (17) are kept away from to second bracing piece (16), the lower fixed surface of crossbeam (6) is connected with light (8), the lower surface of crossbeam (6) just is located both sides fixed connection down tube (7) of light (8), the one end and stand (1) fixed connection of crossbeam (6) are kept away from to down tube (7), the bottom swing joint of stand (1) has barrel (2), the inner bottom of the barrel body (2) is fixedly connected with a jack (4), and the movable end of the jack (4) is fixedly connected with the upright post (1).

2. The circumferential structure bolted connection type support frame of claim 1, characterized in that: the side surface of stand (1) just is located the solid fixed ring of inside fixedly connected with (5) of barrel (2), the bottom fixedly connected with base (3) of barrel (2).

3. The circumferential structure bolted connection type support frame of claim 1, characterized in that: the one end that barrel (2) were kept away from in stand (1) is provided with screw thread post (13), the lower fixed surface of arc support frame (9) is connected with connecting plate (14).

4. The circumferential structure bolted connection type support frame of claim 3, characterized in that: the connecting plate (14) is internally provided with a through hole, and the upright post (1) is fixedly connected with the arc-shaped support frame (9) through a threaded post (13), the connecting plate (14) and a nut (15).

5. The circumferential structure bolted connection type support frame of claim 1, characterized in that: the number of the magnets (19) is provided in plurality, and the magnets (19) repel each other.

6. The circumferential structure bolted connection type support frame of claim 1, characterized in that: the novel multifunctional lamp is characterized in that the first supporting rod (10), the second supporting rod (16), the buffer seat (17) and the illuminating lamp (8) are arranged on the same vertical shaft, and the diameter of the inner side of the cylinder body (2) is 1.2 times of the diameter of the outer side of the upright column (1).