CN208073075U - A kind of silo intercolumniation energy-consumption shock-absorption device - Google Patents

Abstract

An energy-dissipating shock-absorbing device between columns for a silo, comprising a plurality of support columns uniformly and vertically arranged along the circumferential direction of the silo. The support columns are provided with at least one circle at vertical intervals. The shock-absorbing connection assembly includes a middle steel box and end buffer assemblies symmetrically fixed at both ends of the middle steel box. The end buffer assemblies have the same structure and include End steel boxes, inner panels, outriggers, elastic damping devices and mobile hollow boxes. The utility model proposes an energy-dissipating and shock-absorbing connection structure between columns, which does not change the original structural form and normal use of the column-supported silo, and at the same time can transmit the energy of each supporting column during an earthquake, and rely on collision and The friction energy transfers and consumes the seismic energy, and finally achieves the purpose of improving the seismic performance of the column-supported silo, and solves the technical problem of energy consumption and shock absorption of the support columns.

Description

An energy-dissipating shock-absorbing device between columns for silos

technical field

The utility model belongs to the technical field of anti-seismic and shock-absorbing silo structures, in particular to an energy-dissipating shock-absorbing device between columns for silos.

Background technique

Silo is a special structure that is widely used in grain, building materials, metallurgy, coal, electric power, chemical industry and light industry, and plays a vital role in the fields of storage, transportation and circulation. According to the different support forms, it is divided into wall-supported silos, column-supported silos, and outer-cylinder inner-column-supported silos. The overall rigidity of the silo supported by the wall of the cylinder and the column supported by the outer cylinder is relatively large, and the degree of structural damage is relatively light under the action of the earthquake load, while the column-supported silo belongs to the structural form of rigid top and soft bottom. In the experimental research, Tangshan earthquake, It has been found in sea earthquakes that under the action of earthquakes, the positions where the column-supported silo has a sudden change in stiffness, that is, the junction of the ring beam and the support column, the end of the support column, and the middle and upper parts, are seriously damaged, and even the entire warehouse may collapse; and in the modal performance Formally, the supporting column has an obvious torsional effect, which is also the main reason why the column end and the middle and upper part of the column are easily damaged. The current measure to solve the damage of column-supported silos is usually to strengthen the structure at the end of the column, but it cannot fundamentally solve the damage caused by the earthquake.

Utility model content

In order to overcome the deficiencies of the existing technology, the utility model proposes an energy-dissipating and shock-absorbing connection structure between columns, which does not change the original structural form and normal use of the column-supported silo, and at the same time, the energy of each supporting column can be used during an earthquake. The earthquake energy is transferred and consumed by means of collision and frictional energy consumption, and finally achieves the purpose of improving the seismic performance of the column-supported silo, and solves the technical problem of energy consumption and shock absorption of the support column.

In order to achieve the above object, the utility model adopts the following technical solutions.

An energy-dissipating shock-absorbing device between columns for a silo, comprising a plurality of support columns uniformly and vertically arranged along the circumferential direction of the silo. The support column is provided with at least one circle at vertical intervals. The shock-absorbing linkage assembly includes a middle steel box and end buffer assemblies symmetrically fixed at both ends of the middle steel box. The end buffer assemblies have the same structure and include End steel box body, inner panel, outrigger panel, elastic damping device and mobile hollow box, the inner panel is fixed vertically on the inner side of the supporting column, and the outer sides of the inner panel are fixedly connected with horizontal The outrigger board is set, one end of the outrigger board is fixedly connected with the inner panel, and the other end protrudes from the support column; the outer side of the outboard board is set with an end steel box, and the outboard board and the end steel box slide There is a certain buffer distance between the left side of the steel box at the end and the support column; at least one set of elastic damping devices are arranged on the inner side of the outrigger plate, and the left end of the elastic damping device is fixedly connected with the inner panel, and the elastic damping device The right end of the right end is slidingly connected with the inner wall of the middle steel box, and the elastic damping devices at both ends, the end steel box and the middle steel box together form a buffer cavity, and the buffer cavity is filled with filling particles.

Preferably, the elastic damping device includes a movable hollow box, a horizontal elastic support, and backing plates fixedly arranged at both ends of the horizontal elastic support, the left backing plate is fixedly connected to the embedded steel plate, and the right side backing plate is connected to the mobile hollow box. Fixed connection, the upper and lower ends of the mobile hollow box are in contact with the inner wall of the end steel box and are slidably connected.

Preferably, the mobile hollow box is a thin-walled hollow steel structure box.

Preferably, a sliding support is provided between the outrigger plate and the steel box at the end to allow the two to slide relative to each other.

As a preference, protruding ear plates are provided at the parts where the end steel box body and the middle steel box body are connected, and bolts for fixing are pierced inside the ear plate, so as to fix the end steel box body and the middle steel box body connect.

Preferably, the top of the intermediate steel box has a filling hole for filling the buffer cavity with filling particles.

Preferably, the filling particles are composed of stone particles or steel ball particles of different sizes, and the volume filling rate of the filling particles in the buffer cavity is 2/3.

Preferably, the shape of the shock-absorbing linkage assembly is an arc shape matching the silo.

Preferably, anchor bars are provided inside the support columns, and the inner panel is fixedly connected to the support columns through the anchor bars.

Preferably, the connection between the anchor bar and the embedded steel plate, the connection between the embedded steel plate and the outrigger plate, the connection between the embedded steel plate and the backing plate, the connection between the backing plate and the horizontal elastic support, and the connection between the backing plate and the mobile hollow box Connections are soldered.

The beneficial effects of the utility model are as follows: 1. The utility model connects the support columns supporting the upper cylinder, improves the overall space performance of all the support columns, and connects the support columns with the sliding support and the elastic damping device , which can realize the self-resetting function of the support column during the reciprocating motion of the earthquake, and improve the ductility of the support column during the earthquake; 2. Move the hollow box to separate the filling particles from the support column to avoid direct collision between the two during the earthquake. Damage the surface of the support column; 3. The filling particles in the end steel box and the middle steel box use the collision and friction between themselves, as well as the collision and friction energy between the filling particles and the steel box, through the elastic damping device The transfer realizes the energy transfer and conversion of the support column and the entire column-supported silo structure in the seismic reciprocating motion, and finally realizes the seismic and shock-absorbing performance of the column-supported silo structure; The self-resetting function of the supporting column, so as to realize the anti-vibration and shock absorption of the column-supported silo structure; 5. The elastic damping device separates the supporting column and the filling particles, realizes the horizontal movement of the filling particles within a certain range, and plays a role The earthquake energy is transferred and converted into the collision and frictional energy consumption of the filling particles, so as to realize the anti-seismic and shock absorption of the column-supported silo structure; The energy-dissipating shock-absorbing device moves horizontally within a certain range, so as to realize the shock-resistance and shock-absorbing of the column-supported silo structure; 7. The buffer chamber is filled with filling particles, and the filling particles and the inner wall of the steel box will meet during the earthquake. Collision and friction energy consumption are generated to achieve the purpose of anti-shock and shock absorption of the column-supported silo structure; 8. The main part of the utility model is composed of a prefabricated end steel box and a middle steel box, which does not affect the column-supported silo The normal construction process of the structure, and the middle steel box and the end steel box are spliced together by bolts, which is convenient for later maintenance and repair, and has great engineering practical significance.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment one;

Fig. 2 is the three-dimensional structure schematic diagram of the second embodiment of the utility model;

Fig. 3 is a partial enlarged view of place A in Fig. 1;

Fig. 4 is a schematic structural view of the elastic damping device in Fig. 3;

FIG. 5 is a partially enlarged view of B in FIG. 3 .

Detailed ways

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

See Figures 1 through 5. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model Therefore, it has no technical substantive meaning. Any modification of structure, change of proportional relationship or adjustment of size shall fall within the scope of this utility model without affecting the effect and purpose of this utility model. within the scope covered by the technical content disclosed in the utility model. In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific Therefore, it cannot be understood as a limitation on the utility model, nor is it used to limit the scope of the utility model. The change or adjustment of its relative relationship should also be regarded as the present utility model without substantive changes in the technical content. The applicable scope of utility models. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Fig. 1 and Fig. 2 are two kinds of embodiments of the present utility model, select according to the structure of support column 1, and Fig. 1 shows embodiment one, when support column 1 is slender and relatively small, a circle of shock-absorbing contact assembly 2 is set, And set it at the position where the modal displacement of the support column 1 is relatively large, so as to achieve the best energy dissipation effect; Figure 2 shows the second embodiment, when the support column 1 has a relatively large slenderness, two rings of shock-absorbing contact components 2 are set, At this time, the mode of the support column 1 is more complex, and large reverse displacements may occur at different positions of the column. Therefore, two rings of damping contact components 2 are installed to improve the seismic performance of the column-supported silo structure. The embedded panels 23 in the first and second embodiments are all steel plates, and the support columns 1 are all reinforced concrete columns. The structure of the present utility model will be described in detail below by taking the first embodiment as an example.

As shown in Figure 1, an inter-column energy-dissipating shock absorbing device for a silo includes a plurality of support columns 1 uniformly and vertically arranged along the circumferential direction of the silo, and the adjacent support columns 1 are connected by shock-absorbing components 2 phases are connected, and the shock-absorbing connection assembly 2 is provided with at least one circle along the vertical interval of the support column 1. The shock-absorbing connection assembly 2 includes a middle steel box 21 and end buffer assemblies symmetrically fixed at both ends of the middle steel box 21 , the structure of the end buffer assembly is the same, and both include an end steel box body 22, an inner panel 23, an outer extension plate 24, and an elastic damping device 25. The inner panel 23 is vertically fixed on the inner side of the support column 1, and the inner panel The outer sides of the panel 23 are fixedly connected with horizontally arranged outriggers 24, one end of the outrigger 24 is fixedly connected with the inner panel 23, and the other end protrudes from the support column 1; the outer side of the outrigger 24 is provided with end The outer steel box 22, and the outrigger 24 is slidingly connected with the end steel box 22, and there is a certain buffer distance between the left side of the end steel box 22 and the support column 1; the inner side of the outrigger 24 is provided with At least one set of elastic damping device 25, the left end of the elastic damping device 25 is fixedly connected with the inner panel 23, the right end of the elastic damping device 25 is slidingly connected with the inner wall of the middle steel box body 21, the elastic damping device 25 at both ends, the end steel box The body 22 and the middle steel box body 21 together form a buffer cavity 26, and the buffer cavity 26 is filled with filler particles 27.

The elastic damping device 25 comprises a mobile hollow box 251, a horizontal elastic support 252 and a backing plate 253 fixedly arranged at both ends of the horizontal elastic support 252, the backing plate 253 on the left side is fixedly connected with the inner panel 23, and the backing plate 253 on the right side is connected with the inner panel 23. The mobile hollow box 251 is fixedly connected, and the upper and lower ends of the mobile hollow box 251 are all abutted against and slidably connected to the inner wall of the end steel box body 22 .

The mobile hollow box 251 is a thin-walled hollow steel structure box.

A sliding support 3 is provided between the overhanging plate 24 and the end steel box body 22 to allow the two to slide relative to each other. The sliding support 3 can be made of double-layer polytetrafluoroethylene material, and the thickness of each layer can be 4-5 mm.

The parts where the end steel box body 22 and the middle steel box body 21 are connected are all provided with protruding ear plates 4, and the ear plates 4 are pierced with bolts 5 for fixing, so that the end steel box body 22 and the middle steel box body The box body 21 is fixedly connected.

The top of the middle steel box 21 is provided with a filling hole 6 for filling the buffer chamber 26 with filling particles 27 .

The filling particles 27 are composed of stone particles or steel ball particles of different sizes, and the volume filling rate of the filling particles 27 in the buffer cavity 26 is 2/3.

The profile of the shock-absorbing contact assembly 2 is an arc shape matched with the silo.

An anchor bar 7 is arranged inside the support column 1 , and the inner panel 23 is fixedly connected with the support column 1 through the anchor bar 7 .

The connection of the anchor bar 7 and the inner panel 23, the connection of the inner panel 23 and the outrigger 24, the connection of the inner panel 23 and the backing plate 253, the connection of the backing plate 253 and the horizontal elastic support 252 and the connection of the backing plate 253 and the The connection of the mobile hollow box 251 is welding.

The specific construction method is as follows:

First, carry out construction on the support column 1, pre-embed the inner panel 2 inside each column during construction, and weld a plurality of anchor bars 7 on the inner surface of the inner panel 2, and firmly bond the inner panel 23 to the support column 1 Knot.

Then, the backing plate 253 , the horizontal elastic support member 252 and the mobile hollow box 251 are prefabricated and installed together, and then installed on the inner panel 23 together.

Secondly, the outrigger plate 4 is welded around the outer surface of the inner panel 23, and the sliding support 3 is placed.

Next, the end steel box body 22 is overlaid on the surface of the outrigger plate 4 , the two keep a certain overlapping length, and a certain buffer distance is kept between the end steel box body 22 and the support column 1 .

Again, the middle steel box body 21 and the end steel box body 22 are spliced together and connected firmly with bolts 5 .

Finally, fill the filler particles 27 from the reserved filling hole 6 at the top of the middle steel box 21, stop when the volume filling rate reaches about 2/3, and cover the filling hole 6 tightly.

The utility model connects the support columns 1 supporting the upper cylinder, improves the overall space performance of all the support columns 1, and connects the support columns 1 through the sliding support 3 and the elastic damping device 25, so that the support columns can be realized. 1 The self-resetting function during the earthquake reciprocating movement improves the ductility of the support column 1 during the earthquake; the filling particles 27 in the end steel box 22 and the middle steel box 21 utilize the collision and friction between themselves, and The collision and frictional energy consumption between the filling particles 27 and the steel box, and the transmission of the elastic damping device 25 realize the energy transfer and conversion of the support column 1 and the entire column-supported silo structure in the seismic reciprocating motion, and finally realize the column-supported silo structure shock-absorbing performance.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. a kind of silo intercolumniation energy-consumption shock-absorption device, including multiple support columns along the setting of silo circumferencial direction homogeneous vertical, It is characterized in that：Component is contacted between adjacent support column by damping to be connected, damping contacts component along the perpendicular of support column To being arranged at intervals at least one circle, damping contact component includes intermediate steel babinet and is symmetrically fixed at intermediate steel case The end Buffer Unit at body both ends, the end Buffer Unit structure is identical, include end steel babinet, interior panel, cantilever plate, Elastic damping device and mobile hollow box, the interior panel are fixed at the interior side of support column vertically, interior panel it is outer Side surrounding has been fixedly connected with horizontally disposed cantilever plate, and one end of cantilever plate is fixedly connected with interior panel, and the other end stretches out branch Dagger；The outer sheath of cantilever plate is equipped with end steel babinet, and cantilever plate is connect with end steel box body-sliding, a left side for end steel babinet There are certain buffering spacing between side and support column；At least one set of elastic damping device, elasticity resistance are provided on the inside of cantilever plate The left end of Buddhist nun's device is fixedly connected with interior panel, and the right end of elastic damping device and the inner wall of intermediate steel babinet are slidably connected, and two Elastic damping device, end steel babinet and the intermediate steel babinet at end surround cushion chamber jointly, and filling is housed in the cushion chamber Particle.

2. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 1, it is characterised in that：The elastic damping dress It sets including mobile hollow box, horizontal resiliency support element and the backing plate for being fixed at horizontal resiliency support element both ends, left side Backing plate is connect with embedded Interal fixation, and right side backing plate is fixedly connected with mobile hollow box, the upper and lower ends of mobile hollow box with The inner wall of end steel babinet is abutted against and is slidably connected.

3. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 2, it is characterised in that：The mobile hollow box For thin-walled hollow steel construction box body.

4. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 3, it is characterised in that：The cantilever plate and end The sliding support for making the two produce relative sliding is provided between portion's steel babinet.

5. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 4, it is characterised in that：End steel babinet is in Between the position that is connected to each other of steel babinet be both provided with the otic placode of protrusion, bolt for fixing is equipped in otic placode, to by end Steel babinet is fixedly connected with intermediate steel babinet.

6. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 5, it is characterised in that：The intermediate steel babinet Top be provided with for cushion chamber be packed into filler particles filling hole.

7. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 6, it is characterised in that：The filler particles by Stone particle or steel ball the particle composition to differ in size, and volumetric filling ratio of the filler particles in cushion chamber is 2/3.

8. according to a kind of any silo intercolumniation energy-consumption shock-absorption devices of claim 1-7, it is characterised in that：The damping The shape of contact component is arc-shaped to match with silo.

9. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 8, it is characterised in that：The support column it is interior Portion is provided with dowel, and interior panel is fixedly connected by dowel with support column.

10. a kind of silo intercolumniation energy-consumption shock-absorption device according to claim 9, it is characterised in that：The dowel with it is interior Connection, backing plate and the horizontal resiliency support element for connecting, embedding steel plate and backing plate for connecting, embedding steel plate and cantilever plate of embedding steel plate Connection and the connection of backing plate and mobile hollow box be welding.