A cross-water structure for a high-precision instrument plant

Abstract

The utility model discloses a kind of for high-precision instrument plant's cross water structure, comprising: setting in the bottom of plant and in the cross water main groove area water pass box culvert structure;Setting in the water pass box culvert structure both sides and in the cross water non-main groove area high-pile frame structure, and setting in the high-pile frame structure outside and to control the soil body protection structure of micro-deformation and micro-vibration of the high-pile frame structure.The beneficial effects of the utility model are that: the utility model can realize cross water high-precision instrument plant foundation micro-vibration control by using improved water pass box culvert structure in cross water main groove area, using high-pile frame and soil body protection structure in cross water non-main groove area.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower engineering technical field especially relates to a cross water structure for high precision instrument plant. BACKGROUND

[0002] At present, the common cross water mode of structure mostly adopts bridge scheme, mainly including light pile foundation pier bridge, heavy pier wall bridge, high pile frame bridge, soil protection + tunnel (culvert) scheme etc., only meets general function requirements such as overcurrent and passing, and does not have the control ability of microvibration and microdeformation.

[0003] With the development of high-tech manufacturing industry and precision equipment technology, high-standard plant emerges as the times require. In view of the high precision equipment and instrument in the plant have very high precision requirement, gradually reach nanometer level control, therefore, the microvibration and microdeformation control requirement of cross water high precision instrument plant foundation bottom plate is also more and more strict, far higher than the deformation requirement of traditional industrial building.

[0004] At present, high-tech plant is mostly built in the development zone of city, and is inevitably influenced by environmental vibration, temperature change, wave and wind load etc. factors, for example: the vibration generated by high-speed rail, subway, highway, automobile truck, airplane etc.;The microdeformation generated by seasonal temperature change;The vibration and deformation generated by different wind load and wave load to structure etc. Practice shows that a large amount of environmental vibration energy is transmitted to precision equipment and instrument through structure foundation, thereby affecting the machining precision of precision equipment and instrument.

[0005] Cross water high precision instrument plant has the characteristics of large span, high suspension, low structure damping etc., and the stress condition is relatively complex, is more sensitive to vibration, the microvibration control of foundation bottom plate is difficult, and the conventional cross water structure cannot meet the microvibration control requirement of high precision instrument plant at present.

[0006] Therefore, the applicant researches and develops a cross water structure suitable for high precision instrument plant, so as to meet the control requirement of microvibration of upper precision equipment and instrument. UTILITY MODEL CONTENT

[0007] The utility model solves the technical problem in the prior art, provides a cross water structure for high precision instrument plant to solve the above problems

[0008] The technical problem solved by the utility model can be realized by adopting the following technical scheme:

[0009] A cross water structure for high precision instrument plant, characterized by comprising:

[0010] Water passing box culvert structure arranged at the bottom of the plant and located in the cross water main groove area;

[0011] high-pile frame structures arranged at both sides of the water-passing box culvert structure and located in the non-main channel area crossing the water, and

[0012] a soil protection structure arranged outside the high-pile frame structure and used to control micro-deformation and micro-vibration of the high-pile frame structure.

[0013] In a preferred embodiment of the utility model, a layer of three felt four oil is arranged between the factory building bottom plate of the bottom of the factory building and the water-passing box culvert structure.

[0014] In a preferred embodiment of the utility model, the water-passing box culvert structure comprises a box culvert top plate and a box culvert bottom plate and a middle pier and a side pier arranged between the box culvert top plate and the box culvert bottom plate, and the inside of the middle pier and the side pier adopts a cavity structure.

[0015] In a preferred embodiment of the utility model, the middle pier comprises a middle pier inner wall and a middle pier outer wall and a middle pier backfilling material filled between the middle pier inner wall and the middle pier outer wall, and the middle pier inner wall and the middle pier outer wall are connected with the box culvert top plate and the box culvert bottom plate.

[0016] In a preferred embodiment of the utility model, the side pier comprises a side pier inner wall and a side pier outer wall and a side pier backfilling material filled between the side pier inner wall and the side pier outer wall, and the side pier inner wall and the side pier outer wall are connected with the box culvert top plate and the box culvert bottom plate.

[0017] In a preferred embodiment of the utility model, the bottom of the box culvert bottom plate is provided with a plurality of pile foundations.

[0018] In a preferred embodiment of the utility model, the high-pile frame structure comprises a plurality of bottom plate pile foundations arranged at intervals at the bottom of the factory building bottom plate.

[0019] In a preferred embodiment of the utility model, the soil protection structure is a backfilling soil arranged outside the high-pile frame structure.

[0020] Due to the adoption of the above technical scheme, the utility model has the beneficial effects that the utility model can realize micro-vibration control of the water-crossing high-precision instrument factory building foundation by adopting the improved water-passing box culvert structure in the main channel area crossing the water, the high-pile frame and the soil protection structure in the non-main channel area crossing the water. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical means, creative features, purposes and effects realized by the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Fig. 1 It is the zoning map of the utility model.

[0023] Fig. 2 It is the plane view of the water passing box culvert structure of the utility model.

[0024] Fig. 3 It is the sectional view of the water passing box culvert structure of the utility model.

[0025] Fig. 4 It is the sectional view of the high-pile frame structure and the soil body protection structure of the utility model. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the following will further describe the utility model in combination with specific drawings.

[0027] Referring to Figs. 1 to 4 The water crossing structure for high-precision instrument workshop shown in the drawing comprises a water passing box culvert structure 100, a high-pile frame structure 200 and a soil body protection structure 300.

[0028] The water passing box culvert structure 100 is arranged at the bottom of the workshop 1 and located in the water crossing main groove area, and the water passing box culvert structure comprises a box culvert top plate 110 and a box culvert bottom plate 120 and a middle pier 130 and a side pier 140 arranged between the box culvert top plate 110 and the box culvert bottom plate 120, and the interiors of the middle pier 130 and the side pier 140 adopt a cavity structure. The water passing box culvert structure 100 in the embodiment takes two-hole box culvert as an example, and there are two side piers and one middle pier, and the number of box culvert holes can be increased or decreased in actual application process.

[0029] The high-pile frame structure 200 is arranged at both sides of the water passing box culvert structure 100 and located in the water crossing non-main groove area, and the high-pile frame structure 200 in the embodiment comprises a plurality of bottom plate pile foundations 210 arranged at the bottom of the workshop bottom plate 2.

[0030] The soil protection structure 300 is arranged outside the high-pile frame structure 200 and is used for controlling the micro-deformation and micro-vibration of the high-pile frame structure 200, and the soil protection structure 300 in the embodiment is preferably backfill soil arranged outside the high-pile frame structure 200. The backfill soil can reduce the high-order natural vibration frequency of the pile foundation system of the bottom plate 2 by protecting the soil of the bottom plate pile foundation 210, and avoid the resonance risk with the site; meanwhile, the backfill soil can effectively control the micro-deformation caused by temperature change due to the heat preservation effect of the backfill soil.

[0031] In order to further isolate the vibration transmission between the box culvert and the upper high-precision instrument plant house, and avoid the interference of the external environment on the precision equipment and instrument, a layer of three felt four oil (not shown in the figure) is arranged between the bottom plate 2 of the plant house 1 and the water-passing box culvert structure 100, and the layer of three felt four oil in the embodiment is arranged between the box culvert top plate 110 and the plant house bottom plate 2 of the water-passing high-precision instrument as a vibration isolation, and is used for blocking low-frequency vibration.

[0032] The middle pier 130 includes a middle pier inner wall 131 and a middle pier outer wall 132 and a middle pier backfill 133 filled between the middle pier inner wall 131 and the middle pier outer wall 132, and the middle pier inner wall 131 and the middle pier outer wall 132 are connected with the box culvert top plate 110 and the box culvert bottom plate 120. Similarly, the side pier 140 includes a side pier inner wall 141 and a side pier outer wall 142 and a side pier backfill 143 filled between the side pier inner wall 141 and the side pier outer wall 142, and the side pier inner wall 141 and the side pier outer wall 142 are connected with the box culvert top plate 110 and the box culvert bottom plate 120. The backfill in the embodiment is preferably selected from materials with small thermal conductivity and large specific heat capacity, which can reduce the micro-deformation of the box culvert caused by temperature change, and in addition, by increasing or decreasing the amount of internal backfill, the weight of the water-passing box culvert can be changed, so that the natural vibration frequency of the box culvert is avoided from the site inherent frequency range, and resonance is avoided. In addition, since the backfill is filled in the middle pier 130 and the side pier 140, the backfill will generate a certain reaction force on the middle pier outer wall and the side pier outer wall, so as to improve the stress state of the outer wall.

[0033] The bottom of the box culvert bottom plate 120 is provided with a plurality of pile foundations 121. The box culvert bottom plate 120 in the embodiment is provided with pile foundations 121 according to the bearing capacity of the foundation, and natural foundation can also be used if the foundation condition is good.

[0034] The principle of the utility model is as follows:

[0035] When the frequency of environmental vibration (such as the vibration caused by high-speed rail, subway, highway, etc.) is close to the natural frequency of the lower foundation of the high-precision instrument factory building across the water, the lower foundation will produce larger vibration due to resonance, thereby affecting the operation of the upper precision equipment and instruments, therefore, to avoid resonance, the natural frequency of the lower foundation of the factory building needs to be adjusted to avoid the natural frequency from the inherent frequency range of the site, the natural frequency of the structure is closely related to the height, weight and stiffness of the structure, generally speaking, the higher the height, the lower the natural frequency of the structure; the greater the stiffness, the higher the natural frequency of the structure; increasing the weight can reduce the natural frequency of the structure, due to the need of flow, the height of the structure across the water has little room for change, therefore, the utility model changes the dead weight and stiffness of the lower foundation of the factory building across the water, thereby changing the natural frequency of the structure, so that the natural frequency avoids the inherent frequency range of the site, thereby realizing micro-vibration control.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water-crossing structure for a high-precision instrument factory, characterized in that, include: A water passage culvert structure located at the bottom of the factory building and in the area spanning the main water channel; The high-pile frame structure located on both sides of the water-passing box culvert structure and in the non-main channel area of ​​the water passage, and A soil protection structure installed outside the high pile frame structure to control the micro-deformation and micro-vibration of the high pile frame structure.

2. The water-crossing structure for a high-precision instrument factory according to claim 1, characterized in that, A layer of three-layer felt and four-layer asphalt is installed between the bottom slab of the factory building and the water culvert structure.

3. The water-crossing structure for a high-precision instrument factory according to claim 1, characterized in that, The water-passing box culvert structure includes a box culvert top plate and a box culvert bottom plate, as well as a central pier and side piers disposed between the box culvert top plate and the box culvert bottom plate. The interior of the central pier and the side piers adopts a cavity structure.

4. A water-crossing structure for a high-precision instrument factory according to claim 3, characterized in that, The central pier includes an inner wall and an outer wall, as well as backfill material between the inner wall and the outer wall. Both the inner wall and the outer wall are connected to the top and bottom slabs of the box culvert.

5. A water-crossing structure for a high-precision instrument factory according to claim 3, characterized in that, The side pier includes an inner wall and an outer wall, as well as backfill material between the inner wall and the outer wall. Both the inner wall and the outer wall are connected to the top and bottom slabs of the box culvert.

6. A water-crossing structure for a high-precision instrument factory according to claim 3, characterized in that, The bottom of the box culvert base plate is provided with several pile foundations.

7. A water-crossing structure for a high-precision instrument factory according to claim 2, characterized in that, The high-pile frame structure includes a number of foundation piles spaced at the bottom of the factory building's foundation slab.

8. A water-crossing structure for a high-precision instrument factory according to claim 1, characterized in that, The soil protection structure is the backfill soil set outside the high pile frame structure.

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