1. The utility model provides a can resist civil engineering shock-absorbing structure of medium-quake and big earthquake destruction which characterized in that: the square frame type supporting structure is formed by connecting and combining a front supporting damping frame, a rear supporting damping frame, a left supporting damping frame and a right supporting damping frame through end parts; the front support shock absorption frame, the rear support shock absorption frame, the left support shock absorption frame and the right support shock absorption frame respectively comprise a top frame (1) and a bottom frame (2) which are parallel to each other, and the top frame (1) and the bottom frame (2) are connected through a first buffer mechanism and a second buffer mechanism; the two groups of first buffer mechanisms are respectively and symmetrically arranged between the inner sides of two ends of the top frame (1) and the inner side of two ends of the bottom frame (2), each first buffer mechanism comprises a mandril (9) and a buffer cylinder (10), each buffer cylinder (10) is fixed on the upper side of the end part of the bottom frame (2), each mandril (9) is fixed on the lower side of the end part of the top frame (1), the bottom end of each mandril (9) is fixedly connected with a piston (11), and each piston (11) can slide up and down in a friction manner in a buffer cavity (12) in each buffer cylinder (10); the second buffer mechanism comprises rectangular grooves (21) which are arranged on the opposite sides of the top frame (1) and the bottom frame (2), two groups of rectangular grooves (21) are arranged on the top frame (1) and the bottom frame (2), and the rectangular grooves (21) on the top frame (1) and the bottom frame (2) are symmetrically arranged up and down; the sliding cross rod (22) is fixedly arranged on the side walls of two sides of the rectangular groove (21), the rectangular sliding block (24) is sleeved in the middle of the sliding cross rod (22), the buffer springs (23) located on two sides of the rectangular sliding block (24) are further sleeved on the sliding cross rod (22), the connecting rods (13) are hinged to the side walls of the outer sides of the rectangular sliding block (24), and the connecting rods (13) are arranged in a crossed mode.

2. A civil engineering shock-absorbing structure capable of resisting the damage of medium and large earthquakes according to claim 1, wherein:

concave connecting parts (5) are arranged at two ends of a top frame (1) and an underframe (2) of the front supporting shock absorption frame and the rear supporting shock absorption frame, a clamping area is formed in the middle area of each connecting part (5), the clamping area positioned at the end part of the top frame (1) is called a first clamping area (8), the clamping area positioned at the end part of the underframe (2) is called a second clamping area (17), and first clamping holes (6) are formed in the connecting parts (5) and are used for being connected with external parts;

the two ends of the top frame (1) and the bottom frame (2) of the left support shock absorption frame and the right support shock absorption frame are provided with a first side column (18) and a second side column (19) which are convex and are respectively clamped with the first clamping area (8) and the second clamping area (17).

3. A civil engineering shock-absorbing structure capable of resisting the damage of medium and large earthquakes according to claim 2, wherein: antiskid plates (20) are distributed at the top of the top frame (1), and the antiskid plates (20) are arranged in a staggered manner; an antiskid lug (7) is fixedly arranged on the antiskid plate (20).

4. A civil engineering shock-absorbing structure capable of resisting the damage of medium and large earthquakes according to claim 3, wherein: the upper parts of the two ends of the top frame (1) are integrally connected with positioning columns (3), and second clamping holes (4) are transversely formed in the positioning columns (3); the lower inner sides of the two ends of the bottom frame (2) are provided with clamping grooves (16) communicated with the outside, and the clamping grooves (16) are matched with the positioning columns (3).

5. A civil engineering shock-absorbing structure capable of resisting the breakdown by medium and large earthquakes as claimed in claim 1, 2, 3 or 4, wherein: a first limiting groove (15) is formed in the rectangular grooves (21) of the top frame (1) and the bottom frame (2), a second limiting groove (25) is formed in the rectangular sliding block (24), and the first limiting groove (15) and the second limiting groove (25) are the same in width.

6. A civil engineering shock-absorbing structure capable of resisting the damage of medium and large earthquakes according to claim 5, wherein: the inner wall of the buffer cavity (12) is made of elastic rubber blocks by bedding.

7. A civil engineering shock-absorbing structure capable of resisting the damage of medium and large earthquakes according to claim 6, wherein: the first clamping hole (6) is a vertical hole, and the second clamping hole (4) is a horizontal hole.

Background

The traditional structure earthquake-proof design resists earthquake by means of the strength and deformation of the structure, the structure is ensured to be in an elastic working state under the action of small earthquake, the structure is damaged under the action of medium earthquake and large earthquake, and the earthquake energy is dissipated by using the ductility of the structure; meanwhile, after the structure is damaged, the structural rigidity and the natural vibration period are reduced, and the input seismic energy is reduced. The traditional earthquake-resistant design idea based on ductility fully utilizes the self bearing capacity and the deformation capacity of the structure, has better economical efficiency and is widely applied to earthquake-resistant regulations of various countries in the world.

The existing damping device for civil engineering is simple in structure, poor in technical effect, incapable of providing better damping effect, incapable of meeting the requirement of modernized development, incapable of being spliced and built according to actual use conditions and poor in flexibility, and therefore a novel damping device needs to be developed.

In order to solve the technical problem of poor damping effect of the damping device for the existing civil engineering, the Chinese patent application 202020323269.4 discloses a civil anti-seismic structure, which comprises a fixing device, a connecting seat is arranged below the fixing device, a base is fixedly connected to the lower end surface of the connecting seat, a damping and buffering seat is fixedly connected to the outer side wall of the connecting seat, two anti-seismic components are uniformly distributed on the outer side wall above the fixing device, two buffering connecting rods are uniformly and symmetrically distributed on the left side and the right side of the two anti-seismic components, a buffering column is fixedly connected to the lower end surface of the two anti-seismic components, a plurality of buffering and damping devices are uniformly and symmetrically distributed on the left side and the right side of the buffering column, the buffering column and a buffering spring can buffer vibration and shaking force when the upper part of the buffering and fixing device is subjected to vibration and shaking forces, the vibration force of the fixing device is reduced, so that the pipeline is protected and prevented from being damaged. Researches show that the civil anti-seismic structure has low supporting strength and can only be used for damping in pipeline installation with small weight.

Disclosure of Invention

The invention aims to provide a civil engineering damping structure capable of resisting middle-earthquake and large-earthquake damage, which can be spliced and built according to actual use conditions and is flexible in application and convenient to use, aiming at solving the problems that the existing damping device for civil engineering is too simple in structure, poor in damping effect and poor in flexibility and cannot meet the technical requirements of modern development of civil engineering.

In order to achieve the above purpose of the invention, the civil engineering shock absorption structure capable of resisting medium and large shock damage is realized by the following technical scheme:

the invention relates to a civil engineering shock absorption structure capable of resisting medium and large shock damage, which is a square frame type support structure formed by connecting and combining a front support shock absorption frame, a rear support shock absorption frame, a left support shock absorption frame and a right support shock absorption frame through end parts; the front support shock absorption frame, the rear support shock absorption frame, the left support shock absorption frame and the right support shock absorption frame respectively comprise a top frame and a bottom frame which are parallel to each other, and the top frame and the bottom frame are connected through a first buffer mechanism and a second buffer mechanism; the first buffer mechanisms are two groups and are respectively and symmetrically arranged between the upper frame and the inner sides of the two ends of the underframe, each first buffer mechanism comprises an ejector rod and a buffer cylinder, the buffer cylinders are fixed on the upper side of the end part of the underframe, the ejector rods are fixed on the lower side of the end part of the upper frame, the bottom ends of the ejector rods are fixedly connected with pistons, and the pistons can slide in a vertical friction manner in buffer cavities in the buffer cylinders; the second buffer mechanism comprises rectangular grooves which are arranged on the opposite sides of the top frame and the bottom frame, two groups of rectangular grooves are arranged on the top frame and the bottom frame, and the rectangular grooves on the top frame and the bottom frame are symmetrically arranged up and down; the sliding transverse rods are fixedly arranged on the side walls of the two sides of the rectangular groove, the rectangular sliding blocks are sleeved in the middle of the sliding transverse rods, buffer springs located on the two sides of the rectangular sliding blocks are further sleeved on the sliding transverse rods, connecting rods are hinged to the side walls of the outer sides of the rectangular sliding blocks, and the connecting rods are arranged in a crossed mode.

Furthermore, concave connecting parts are arranged at two ends of the top frame and the bottom frame of the front supporting shock absorption frame and the rear supporting shock absorption frame, a clamping area is formed in the middle area of the connecting parts, the clamping area located at the end part of the top frame is called a first clamping area, the clamping area located at the end part of the bottom frame is called a second clamping area, and a first clamping hole is formed in the connecting part and used for being connected with an external part; the top frame and the bottom frame of the left support damping frame and the right support damping frame are provided with convex first side columns and second side columns which are respectively clamped with the first clamping area and the second clamping area.

Furthermore, anti-skid plates are distributed at the top of the top frame and are arranged in a staggered mode; an anti-skid lug is fixedly arranged on the anti-skid plate.

Furthermore, the upper parts of the two ends of the top frame are integrally connected with positioning columns, and second clamping holes are transversely formed in the positioning columns; the lower inner sides of the two ends of the bottom frame are provided with clamping grooves communicated with the outside, and the clamping grooves are matched with the positioning columns.

Furthermore, a first limiting groove is formed in the rectangular grooves of the top frame and the bottom frame, a second limiting groove is formed in the rectangular sliding block, and the width of the first limiting groove is the same as that of the second limiting groove.

Furthermore, the inner wall of the buffer cavity is made of elastic rubber blocks; the first clamping hole is a vertical hole, and the second clamping hole is a horizontal hole.

Compared with the prior art, the civil engineering damping structure capable of resisting medium-earthquake and large-earthquake damage has the following positive effects after adopting the technical scheme:

(1) the square frame type supporting structure is formed by connecting and combining the front supporting damping frame, the rear supporting damping frame, the left supporting damping frame and the right supporting damping frame through the end parts, and has the advantages of compact structure, large supporting force and strong reliability.

(2) The top frame and the bottom frame are connected through a first buffer mechanism and a second buffer mechanism, wherein the first buffer mechanism is located at the two ends and is in up-and-down supporting connection, the second buffer mechanism is located in the middle and is in cross supporting connection, the conception is ingenious, and the buffering and damping effects are remarkable.

(3) The invention can be spliced and built according to the actual use condition, has high flexibility and strong adaptability, and meets the requirement of modern development.

(4) When the anti-skid device is used for bases of vibration equipment, house foundations and bridge supports, the anti-skid plates are distributed at the top of the top frame and are arranged in a staggered mode, and the anti-skid lugs are fixedly arranged on the anti-skid plates, so that the anti-skid device is good in anti-skid performance and high in overall structural stability.

Drawings

FIG. 1 is a schematic cross-sectional view of a front support shock absorber and a rear support shock absorber adopted in the present invention;

FIG. 2 is a schematic cross-sectional view of the left and right support shock-absorbing frames used in the present invention;

FIG. 3 is a top view of a top frame construction useful in the present invention;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 1;

fig. 5 is a schematic diagram of the internal structure of the rectangular groove adopted by the invention.

The reference signs are: 1-top frame, 2-bottom frame, 3-positioning column, 4-second clamping hole, 5-connecting part, 6-first clamping hole, 7-antiskid lug, 8-first clamping area, 9-top rod, 10-buffer cylinder, 11-piston, 12-buffer cavity, 13-connecting rod, 15-first limiting groove, 16-clamping groove, 17-second clamping area, 18-first side column, 19-second side column, 20-antiskid plate, 21-rectangular groove, 22-sliding cross rod, 23-buffer spring, 24-rectangular sliding block and 25-second limiting groove.

Detailed Description

To better describe the present invention, a civil engineering shock-absorbing structure capable of resisting damage by a medium shock and a large shock of the present invention will be described in further detail with reference to the accompanying drawings.

The schematic sectional structure of the front support shock absorption frame and the rear support shock absorption frame adopted by the invention shown in fig. 1 is combined with fig. 2 and fig. 4, so that the civil engineering shock absorption structure capable of resisting medium-earthquake and large-earthquake damage is a square frame type support structure formed by connecting and combining the front support shock absorption frame, the rear support shock absorption frame, the left support shock absorption frame and the right support shock absorption frame through end parts; the front support shock absorption frame, the rear support shock absorption frame, the left support shock absorption frame and the right support shock absorption frame respectively comprise a top frame 1 and a bottom frame 2 which are parallel to each other, and the top frame 1 and the bottom frame 2 are connected through a first buffer mechanism and a second buffer mechanism; the two groups of first buffer mechanisms are respectively and symmetrically arranged between the inner sides of two ends of the top frame 1 and the inner side of two ends of the bottom frame 2, each first buffer mechanism comprises a top rod 9 and a buffer cylinder 10, the buffer cylinders 10 are fixed on the upper side of the end part of the bottom frame 2, the top rods 9 are fixed on the lower side of the end part of the top frame 1, the bottom ends of the top rods 9 are fixedly connected with pistons 11, the inner walls of buffer cavities 12 are made of elastic rubber blocks in a paving mode, and the pistons 11 can slide in a friction mode up and down in the buffer cavities 12 in the buffer cylinders 10; the second buffer mechanism comprises rectangular grooves 21 arranged on the opposite sides of the top frame 1 and the bottom frame 2, two groups of rectangular grooves 21 are arranged on the top frame 1 and the bottom frame 2, and the rectangular grooves 21 on the top frame 1 and the bottom frame 2 are symmetrically arranged up and down; the side walls of two sides of the rectangular groove 21 are fixedly provided with sliding cross bars 22, the middle part of each sliding cross bar 22 is sleeved with a rectangular sliding block 24, the sliding cross bars 22 are also sleeved with buffer springs 23 positioned on two sides of the rectangular sliding blocks 24, the side walls of the outer sides of the rectangular sliding blocks 24 are hinged with connecting rods 13, and the connecting rods 13 are arranged in a crossed manner; concave connecting parts 5 are arranged at two ends of the top frame 1 and the bottom frame 2 of the front supporting shock absorption frame and the rear supporting shock absorption frame, a clamping area is formed in the middle area of each connecting part 5, the clamping area at the end part of the top frame 1 is called a first clamping area 8, the clamping area at the end part of the bottom frame 2 is called a second clamping area 17, and a first clamping hole 6 is formed in each connecting part 5 and used for being connected with an external part; the two ends of the top frame 1 and the bottom frame 2 of the left support shock absorption frame and the right support shock absorption frame are provided with a first side column 18 and a second side column 19 which are convex and are respectively clamped with the first clamping area 8 and the second clamping area 17.

As shown in fig. 3, the top frame structure of the present invention is shown in a top view, and is combined with fig. 1 and fig. 2, the top of the top frame 1 is provided with the anti-skid plates 20, and the anti-skid plates 20 are arranged in a staggered manner; the antiskid plate 20 is fixedly provided with an antiskid lug 7.

As shown in fig. 1, the sectional structure schematic diagram of the front support shock-absorbing mount and the rear support shock-absorbing mount adopted by the invention is combined with fig. 2 and fig. 3, the upper parts of the two ends of the top frame 1 are integrally connected with the positioning columns 3, and the positioning columns 3 are transversely provided with second clamping holes 4; the inner sides of the lower parts of the two ends of the underframe 2 are provided with clamping grooves 16 communicated with the outside, and the clamping grooves 16 are matched with the positioning columns 3; the first clamping holes 6 are vertical holes, and the second clamping holes 4 are horizontal holes.

As shown in fig. 5, the schematic diagram of the internal structure of the rectangular groove adopted in the present invention is combined with fig. 1 and fig. 2, the rectangular grooves 21 of the top frame 1 and the bottom frame 2 are provided with a first limiting groove 15, the rectangular slide block 24 is provided with a second limiting groove 25, and the first limiting groove 15 and the second limiting groove 25 have the same width.

The working principle of the civil engineering shock absorption structure capable of resisting medium-earthquake and large-earthquake damage is as follows: when the civil engineering damping structure is used, firstly, matched numbers of top frames 1 and bottom frames 2 are selected, then first side columns 18 of the left supporting damping frame and the right supporting damping frame are spliced with first clamping areas 8 on the top frames 1 of the front supporting damping frame and the rear supporting damping frame, and second side columns 19 of the left supporting damping frame and the right supporting damping frame are spliced with second clamping areas 17 on the bottom frames 2 of the front supporting damping frame and the rear supporting damping frame; or, the upper and lower combination is carried out, for example, the positioning columns 3 on the top frame 1 of the left support damping frame and the right support damping frame are inserted into the clamping grooves 16 on the bottom frame 2 of the front support damping frame and the rear support damping frame, and are positioned and locked by using pins.

Outside article are connected through second joint hole 4 on reference column 3, the fixed antiskid ribbed tile 20 that is provided with in top of roof-rack 1, can carry out preliminary antiskid prevention, during the antidetonation, external force is applied and is given roof-rack 1 or chassis 2, connecting rod 13 rotates at the cross section, reduce the height between roof-rack 1 or the chassis 2, buffer spring 23 of one side is compressed wherein, slow down this external force, piston 11 moves down in cushion chamber 12 in cushion cylinder 10 simultaneously, take place the friction slip with the elastic rubber piece, carry out the efficient buffering, the unfavorable that vibrations brought has been prevented.

When the civil engineering shock-absorbing structure of the invention is not required to perform the buffering action, the civil engineering shock-absorbing structure of the invention can be completely fixed by placing the limiting strip plates in the first limiting groove 15 and the second limiting groove 25, thereby forming a fixed high platform and continuously providing the use of construction engineering.

The anti-seismic test research shows that the anti-seismic device can resist the damage of medium and large earthquakes to building structures or the seismic equipment when being used for bases of the seismic equipment, house foundations and bridge supports, and achieves unexpected technical effects.

It should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top/bottom", etc. of the present invention indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for convenience of description and are not to be construed as indicating or implying relative importance.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Finally, it should be noted that the positional relationships of left, right, up, down, front, back, horizontal, etc. are all relative positions provided for convenience of description, for example, the building base may be a vertical column or a horizontal beam.