CN217896412U - Transverse seam tangential Maxwell energy consumption device arch dam - Google Patents
Transverse seam tangential Maxwell energy consumption device arch dam Download PDFInfo
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- CN217896412U CN217896412U CN202221209875.9U CN202221209875U CN217896412U CN 217896412 U CN217896412 U CN 217896412U CN 202221209875 U CN202221209875 U CN 202221209875U CN 217896412 U CN217896412 U CN 217896412U
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Abstract
The utility model discloses a transverse joint tangential Maxwell power consumption device arched dam, including dam body and Maxwell power consumption device. The dam body comprises a plurality of dam sections, and transverse seams and mounting holes are formed between every two adjacent dam sections; and the Maxwell energy dissipation devices are arranged in the mounting holes and are respectively fixed with the adjacent dam sections, and the Maxwell energy dissipation devices are used for controlling the up-and-down dislocation sliding degree between the adjacent dam sections. The utility model discloses utilize Maxwell power consumption device effective control adjacent dam section between the slippage degree of dislocation from top to bottom, improve the anti-seismic performance of dam body, the convenience is maintained in the installation simultaneously.
Description
Technical Field
The utility model belongs to the technical field of hydraulic structure's vibration control technique and specifically relates to a transversal joint tangential Maxwell power consumption device arched dam is related to.
Background
Considering the adverse factors such as concrete temperature stress and uneven settlement deformation of the foundation which may be generated during the construction of the concrete arch dam, a structural joint which penetrates through the foundation to the top of the dam and is perpendicular to the axial direction of the dam needs to be arranged in the construction design, so that the requirements of uneven deformation of the foundation, concrete pouring and temperature control are met. Under the action of strong shock, transverse joints in the concrete arch dam can be opened, closed, relatively dislocated along the joint interface and the like, so that the stress magnitude and distribution of the dam body are greatly influenced.
The prior research mainly comprises structural measures and the like for coping with the transverse seam of the arch dam, and has the disadvantages of complex construction and poor effect. There are also methods using viscous energy-consuming devices, which are passive in damping and damping energy, and are difficult to change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a cross joint tangential Maxwell power consumption device arch dam, it is effectual to combat earthquake, and the installation is maintained conveniently.
According to the utility model discloses transversal joint tangential Maxwell power consumption device arch dam, include:
the dam body comprises a plurality of dam sections, and transverse seams and mounting holes are formed between every two adjacent dam sections;
and the Maxwell energy dissipation device is arranged in the mounting hole and is respectively fixed with the adjacent dam sections, and the Maxwell energy dissipation device is used for controlling the up-and-down dislocation sliding degree between the adjacent dam sections.
According to the utility model discloses transverse joint tangential Maxwell power consumption device arch dam has following advantage: firstly, the Maxwell energy dissipation device is arranged in the mounting hole at the transverse seam, when an earthquake occurs, magnetorheological liquid in the Maxwell energy dissipation device flows in a magnetic field to generate damping force and restoring force generated by a spring to jointly dissipate vibration energy, the Maxwell energy dissipation device utilizes the physical characteristics of the magnetorheological liquid in the magnetic field, the damping of the current control energy dissipation device is changed along with the up-down dislocation and sliding degree between adjacent dam sections, the up-down dislocation and sliding degree between the adjacent dam sections is effectively controlled, and the earthquake resistance of the dam body is improved. And secondly, mounting holes are formed in the positions of the transverse seams of the dam body, so that mounting and maintenance of the Maxwell energy dissipation device are facilitated. And thirdly, compared with the traditional viscous energy consumption device, the Maxwell energy consumption device can change the damping of the energy consumption device in real time, realize the optimized semi-active control and improve the safety performance of the dam body.
In some embodiments, the mounting holes comprise reserved holes formed in opposing elevations between adjacent dam segments.
In some embodiments, the Maxwell energy consuming device comprises a housing, a moving plate, a piston rod, a coil, and a spring; the magnetorheological fluid is filled in the shell, one end of the shell is provided with an opening, the movable plate can be sealed at the opening in a vertically reciprocating manner, the piston rod penetrates through the movable plate, the piston rod is fixed with the movable plate, one end of the piston rod is fixed with the coil, the coil is positioned in the shell, the spring is vertically arranged in the shell, and two ends of the spring are respectively and correspondingly connected to the shell and the coil; the other end of the piston rod and the shell are respectively and correspondingly fixed on the adjacent dam sections.
In some embodiments, the coil is centrally located within the housing on a horizontal projection plane with a spacing between an outer periphery of the coil and the housing.
In some embodiments, the springs are distributed at the upper and/or lower side of the coil.
In some embodiments, the spring is one, the spring being located on the upper or lower side of the coil.
In some embodiments, the central axis of the spring coincides with or is adjacent to the central axis of the coil.
In some embodiments, the other end of the piston rod is fixed with a mounting seat, and the mounting seat is fixed with one of the dam sections adjacent to the dam section.
In some embodiments, the mobile device further comprises a sliding rail extending in the up-down direction and fixed on the inner wall of the housing, and the moving plate is in sliding fit with the sliding rail.
In some embodiments, the moving plate is disposed inside or outside one end of the housing.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a cross-sectional view of the dam body of the arch dam with the transverse seam tangential Maxwell energy dissipation device of the utility model.
Fig. 2 is a top view of the arch dam of the cross-slit tangential Maxwell energy dissipation device of the present invention.
Fig. 3 is a cross-sectional view of the Maxwell energy dissipation device of the present invention.
Fig. 4 is a front view of the Maxwell energy dissipation device of the present invention.
Fig. 5 is a perspective view of the Maxwell energy dissipation device of the present invention.
Reference numerals:
transverse seam tangential Maxwell energy consumption device arch dam 1000
Dam body 1 dam section 101 transverse seam 102 mounting hole 103 reserved hole 1031
Maxwell energy dissipation device 2 shell 201 moving plate 202 piston rod 203 coil 204
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The following describes the transverse seam tangential Maxwell energy dissipation device arch dam 1000 according to an embodiment of the present invention with reference to fig. 1 to 5.
As shown in fig. 1 to 5, a transverse seam tangential Maxwell energy dissipation device arch dam 1000 according to an embodiment of the present invention includes a dam body 1 and a Maxwell energy dissipation device 2. The dam body 1 comprises a plurality of dam sections 101, and transverse seams 102 and mounting holes 103 are formed between every two adjacent dam sections 101; the Maxwell energy dissipation devices 2 are arranged in the mounting holes 103 and are respectively fixed with the adjacent dam sections 101, and the Maxwell energy dissipation devices 2 are used for controlling the up-and-down slippage degree between the adjacent dam sections 101.
Specifically, the dam body 1 comprises a plurality of dam sections 101, the plurality of dam sections 101 are sequentially and adjacently arranged along the left-right direction, and transverse seams 102 and mounting holes 103 are formed between the left-right adjacent dam sections 101; the transverse seam 102 is a structural seam which penetrates through the foundation to the top of the dam body 1 and is vertical to the axial direction of the dam and is used for meeting the requirements of uneven deformation of the foundation, concrete pouring and temperature control; the mounting hole 103 is located at the transverse seam 102, and the Maxwell energy dissipation device 2 can be conveniently arranged in the mounting hole 103; the mounting hole 103 may be formed by a reserved hole 1031 on the opposite vertical surface between the left and right adjacent dam sections 101. The Maxwell energy dissipation device 2 is fixed to the left and right adjacent dam sections 101, respectively, that is, the piston rod 203 of the Maxwell energy dissipation device 2 may be fixed to one of the left and right adjacent dam sections 101 (see the dam section 101 on the left side of the transverse seam 102 in fig. 2), and the housing 201 of the Maxwell energy dissipation device 2 may be fixed to the other dam section 101 of the left and right adjacent dam sections 101 (see the dam section 101 on the right side of the transverse seam 102 in fig. 2). Therefore, when the utility model discloses a transverse joint tangential Maxwell energy consumption device arch dam 1000 receives the earthquake effect, along with about between the adjacent dam section 101 along transverse joint 102 when the slippage of dislocation from top to bottom (also transverse joint 102 along the seam interface slippage from top to bottom) about, the piston rod 203 of Maxwell energy consumption device 2 reciprocates relatively with shell 201 between to make the magnetic current change liquid among Maxwell energy consumption device 2 move in the magnetic field and produce damping force and the restoring force that spring 205 produced dissipates the vibration energy jointly, can restrain effectively between the adjacent dam section 101 the slippage degree of dislocation from top to bottom, reach good shock attenuation effect.
According to the utility model discloses transverse joint tangential Maxwell power consumption device arch dam 1000 has following advantage: firstly, by arranging the Maxwell energy dissipation device 2 in the installation hole 103 at the transverse seam 102, when an earthquake occurs, the magnetorheological liquid in the Maxwell energy dissipation device 2 flows in a magnetic field to generate damping force and restoring force generated by the spring 205 to dissipate vibration energy together, the Maxwell energy dissipation device utilizes the physical property of the magnetorheological liquid in the magnetic field, and the damping of the Maxwell energy dissipation device is changed along with the up-and-down dislocation and slippage degree between adjacent dam sections 101 through the current control, so that the up-and-down dislocation and slippage degree between the adjacent dam sections 101 is effectively controlled, and the earthquake resistance of the dam body is improved. Secondly, mounting holes 103 are formed in the positions of the transverse seams 102 of the dam body 1, so that mounting and maintenance of the Maxwell energy consumption device 2 are facilitated. And thirdly, compared with the traditional viscous energy consumption device, the damping of the energy consumption device can be changed in real time by adopting the Maxwell energy consumption device 2, the optimized semi-active control is realized, and the safety performance of the dam body 1 is improved.
In some embodiments, as shown in fig. 2, the mounting holes 103 include reserved holes 1031 formed on the opposite vertical surfaces of the adjacent dam sections 101, that is, the reserved holes 1031 are respectively formed on the opposite vertical surfaces of the adjacent dam sections 101. Therefore, the Maxwell energy dissipation device 2 is convenient to install and maintain, and meanwhile, the Maxwell energy dissipation device 2 can control the up-and-down staggered sliding of the adjacent dam sections 101 along the interface of the transverse seam 102.
In some embodiments, as shown in fig. 2 and 3, maxwell energy consuming device 2 comprises a housing 201, a moving plate 202, a piston rod 203, a coil 204, and a spring 205; magnetorheological liquid is filled in the shell 201, an opening is formed in one end of the shell 201, the moving plate 202 can be sealed at the opening in a vertically reciprocating mode, the moving plate 202 is high in sealing performance, and the magnetorheological liquid can be prevented from leaking. The piston rod 203 penetrates through the moving plate 202, the piston rod 203 is fixed with the moving plate 202, the piston rod 203 can drive the moving plate 202 to move synchronously, one end of the piston rod 203 is fixed with the coil 204, the coil 204 is positioned in the shell 201, the spring 205 is vertically arranged in the shell 201, and two ends of the spring 205 are respectively and correspondingly connected to the shell 201 and the coil 204; the other end of the piston rod 203 and the shell 201 are respectively and correspondingly fixed on the adjacent dam segment 101.
When an earthquake occurs, the adjacent dam sections 101 start to slip up and down in a staggered manner in the earthquake, the other ends of the piston rods 203 and the shell 201 are respectively and correspondingly fixed on the adjacent dam sections 101, and the piston rods 203, the coils 204 and the shell 201 start to move up and down relatively, so that on one hand, the magnetorheological fluid can generate damping force and can consume energy when flowing in the magnetic field generated by the coils 204; because the current of the coil 204 can be adjusted in real time, the viscosity of the magnetorheological fluid can be changed in real time, and further the damping force can be changed in real time; on the other hand, the coil 204 and the housing 201 are also moved relatively up and down in synchronization, so that the spring 205 is compressed or elongated, and the spring 205 generates a restoring force to damp vibration. That is to say, the piston rod 203 and the coil 204 of the Maxwell energy dissipation device 2 start to move relative to the housing 201 up and down, so that the magnetorheological fluid flows in the magnetic field to generate damping force and the restoring force generated by the spring 205 to dissipate vibration energy, and as the slip position between the left and right adjacent dam sections 101 along the transverse seam 102 is increased up and down, the current of the coil 204 can be adjusted in real time, the viscosity of the magnetorheological fluid is changed, damping is further adjusted, the shock absorption and energy dissipation effects of the Maxwell energy dissipation device 2 are improved, and the impact of an earthquake on the dam body 1 can be greatly reduced.
In some embodiments, the coil 204 is centrally located within the housing 201 on a horizontal projection plane with a spacing between the outer circumference of the coil 204 and the casing. In this way, the coil 204 is arranged within the housing 201 in a suitable manner, and the magnetorheological fluid can flow in the up-down direction through the gap.
In some embodiments, the springs 205 are distributed at the upper and/or lower side of the coil 204. That is, the springs 205 may be all distributed on the upper side of the coil 204, all distributed on the lower side of the coil 204, and all distributed on the upper side and the lower side of the coil 204, and may be arranged according to specific needs.
Optionally, the spring 205 is one piece, and the spring 205 is located on the upper side or the lower side of the coil 204, so that the structure of the transverse slit tangential Maxwell energy dissipation device arch dam 1000 is simpler.
In some embodiments, the central axis of the spring 205 is coincident with or adjacent to the central axis of the coil 204. Thus, the structure design is reasonable and simple.
In some embodiments, the other end of the piston rod 203 is fixed with a mount 206, and the mount 206 is fixed with one dam section 101 of the adjacent dam sections 101. Therefore, the other end of the piston rod 203 is fixed on the dam segment 101 through the mounting seat 206, and the installation is convenient.
In some embodiments, the mobile board further comprises a flat and smooth sliding rail 207, the sliding rail 207 extends in the up-down direction (i.e. the transverse slit is tangential) and is fixed on the inner wall of the housing 201, and the mobile board 202 is slidably engaged with the sliding rail 207. By providing the slide rail 207, smooth and smooth movement is facilitated. In some embodiments, kinematic plate 202 is disposed inside one end of the housing (as shown in FIG. 2) or outside one end (not shown).
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A transverse seam tangential Maxwell energy consumption device arch dam is characterized by comprising:
the dam body comprises a plurality of dam sections, and transverse seams and mounting holes are formed between every two adjacent dam sections;
and the Maxwell energy dissipation device is arranged in the mounting hole and is respectively fixed with the adjacent dam sections, and the Maxwell energy dissipation device is used for controlling the up-and-down dislocation sliding degree between the adjacent dam sections.
2. The transverse slit tangential Maxwell energy dissipating device arch dam of claim 1, wherein the mounting holes comprise reserved holes formed in opposing elevations between adjacent dam sections.
3. The transverse slit tangential Maxwell energy dissipation device arch dam of claim 1 or 2, wherein the Maxwell energy dissipation device comprises a housing, a moving plate, a piston rod, a coil and a spring; the magnetorheological fluid is filled in the shell, one end of the shell is provided with an opening, the movable plate can be sealed at the opening in a vertically reciprocating manner, the piston rod penetrates through the movable plate, the piston rod is fixed with the movable plate, one end of the piston rod is fixed with the coil, the coil is positioned in the shell, the spring is vertically arranged in the shell, and two ends of the spring are respectively and correspondingly connected to the shell and the coil; the other end of the piston rod and the shell are respectively and correspondingly fixed on the adjacent dam sections.
4. The transverse slit tangential Maxwell energy dissipating device arch dam of claim 3, wherein the coil is centrally located within the housing on a horizontal projection plane with a space between an outer circumference of the coil and the housing.
5. The cross-slit tangential Maxwell energy dissipating device arch dam of claim 3, wherein the springs are distributed at an upper side and/or a lower side of the coils.
6. The transverse slit tangential Maxwell energy dissipating device arch dam of claim 5, wherein the spring is one piece, and the spring is located on the upper side or the lower side of the coil.
7. The cross-slit tangential Maxwell energy dissipating device arch dam of claim 6, wherein a central axis of the spring coincides with or is adjacent to a central axis of the coil.
8. The transverse slit tangential Maxwell energy dissipation device arch dam of claim 3, wherein the other end of the piston rod is fixed with a mounting seat, and the mounting seat is fixed with one of the dam sections adjacent to the dam section.
9. The transverse slit tangential Maxwell energy dissipation device arch dam of claim 3, further comprising a sliding rail extending in an up-down direction and fixed on the inner wall of the housing, wherein the moving plate is in sliding fit with the sliding rail.
10. The cross-slit tangential Maxwell energy dissipation device arch dam of claim 3, wherein the moving plate is disposed inside or outside one end of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221209875.9U CN217896412U (en) | 2022-05-17 | 2022-05-17 | Transverse seam tangential Maxwell energy consumption device arch dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221209875.9U CN217896412U (en) | 2022-05-17 | 2022-05-17 | Transverse seam tangential Maxwell energy consumption device arch dam |
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| Publication Number | Publication Date |
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| CN217896412U true CN217896412U (en) | 2022-11-25 |
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| CN202221209875.9U Active CN217896412U (en) | 2022-05-17 | 2022-05-17 | Transverse seam tangential Maxwell energy consumption device arch dam |
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