CN111536342A - Civil engineering antidetonation structure - Google Patents
Civil engineering antidetonation structure Download PDFInfo
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- CN111536342A CN111536342A CN202010418697.XA CN202010418697A CN111536342A CN 111536342 A CN111536342 A CN 111536342A CN 202010418697 A CN202010418697 A CN 202010418697A CN 111536342 A CN111536342 A CN 111536342A
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- plate
- gear
- bearing plate
- base plate
- cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
- F16L3/205—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a civil engineering earthquake-resistant structure, which effectively solves the problem that the existing civil engineering earthquake-resistant structure is not good in protection effect because of being put into use without sufficient science and experimental demonstration; the technical scheme comprises the following steps: this civil engineering antidetonation structure can produce certain displacement along the earthquake wave direction between two adjacent conveyer pipes through set up collapsible hose connection between two adjacent conveyer pipes when meeting with the earthquake and, promptly for two duct connections positions can produce the deformation of certain degree, are changed into soft connection by rigid connection, have improved the protective capacities who deals with the earthquake greatly, thereby the better protection to pipe connection position of realization.
Description
Technical Field
The invention relates to the technical field of civil engineering process earthquake resistance, in particular to an earthquake-resistant structure for civil engineering.
Background
The pipeline connection in the prior art is realized through a hoop mostly, but the structure for realizing rigid connection of pipelines through the hoop in the prior art can realize the sealing connection of two separated pipelines, but the connection part can be distorted and deformed to different degrees or even broken under the action of external stress such as earthquake and the like, so that the sealing property between the two separated pipelines is influenced, the leakage of conveyed liquid or gas and the like is caused, the continuous working and use are influenced, the problem of greater environmental pollution is caused, and the use requirement of the anti-seismic function of pipeline connection cannot be met;
therefore, the pipeline anti-seismic connection method is very important, and the special deformation requirement is provided for the key part of the pipeline connection, so that the method is an effective solution for realizing the pipeline anti-seismic connection;
however, when a corresponding anti-seismic structure is designed for pipeline anti-seismic, a set of complete and scientific tests are not established, so that the designed anti-seismic structure is not fully put into use through scientific and experimental arguments, and the lack of complete and scientific tests means that the anti-seismic structure cannot be optimized and improved, so that the functions of the anti-seismic structure are perfected, and the anti-seismic protection performance of pipeline connection parts is improved, so that when the anti-seismic structure is put into production and use in the future, the sizes of earthquake grades generated in different regions have larger uncertainty, and the optimal anti-seismic protection cannot be generated on a conveying pipe according to different conditions of different regions;
in view of the above, we provide a civil engineering seismic structure for solving the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the civil engineering anti-seismic structure is provided, the two adjacent conveying pipes are connected through the retractable hose, and when an earthquake occurs, the two adjacent conveying pipes can generate certain displacement along the direction of earthquake waves, namely, the connecting parts of the two conveying pipes can generate certain deformation, the rigid connection is changed into the soft connection, the protection capability against the earthquake is greatly improved, and the protection on the connecting parts of the pipelines is better realized.
The civil engineering earthquake-resistant structure comprises a base plate and is characterized in that a bearing plate is longitudinally slidably mounted in the base plate, the bearing plate is connected with a connecting box in vertical sliding fit with the bearing plate through a first spring, moving cylinders are respectively transversely slidably mounted at two transverse ends of the connecting box, vertical adjusting rings are rotatably mounted at two longitudinal sides in the moving cylinders, a second spring is connected between the moving cylinders and the connecting box, the longitudinal adjusting rings are rotatably mounted at the upper side and the lower side in the vertical adjusting rings, conveying pipes are coaxially fixed in the longitudinal adjusting rings, one ends of the two conveying pipes, which are arranged in the connecting box, are communicated with a transition pipe fixed in the connecting box through a hose, a positioning device for positioning the moving cylinders is arranged in the connecting box, and a trigger device for releasing the positioning of the moving cylinders by the positioning device is arranged in the base plate;
the loading plate is respectively connected with telescopic springs between the loading plate and two longitudinal side walls in the base plate, a locking device for locking the loading plate is arranged in the base plate, an unlocking device for unlocking the locking device to the loading plate is arranged in the connecting box, a detection gear is rotatably arranged in the loading plate and is meshed with a detection rack arranged in the base plate, the detection gear drives a control device arranged on the loading plate, and the control device can realize the positioning of the locking device when the loading plate longitudinally moves in the base plate and control the locking device to lock the loading plate again when the loading plate stops moving;
the bearing plate is fixed with a trigger plate matched with the arc plate, the arc plate is connected with a recording device, and the recording device can record the frequency of the bearing plate moving longitudinally in the substrate.
Preferably, the loading board through with a body coupling cylinder longitudinal sliding install on the base plate diapire and on the base plate diapire fixed mounting have with cylinder longitudinal sliding fit's slide rail, locking device includes to set up and vertical slidable mounting is connected with the locking spring between columniform locking post and cylinder with the axle center with the cylinder, be equipped with on the slide rail with locking post matched with locking hole, the locking post upwards wears out the loading board and wears out the horizontal both sides of one end and be fixed with the sloping block, the sloping block cooperatees with unlocking device.
Preferably, the unlocking device comprises an L-shaped rack fixedly connected with the movable cylinder, the L-shaped rack is meshed with an unlocking gear, and the unlocking gear is driven by an unlocking transmission device to be provided with a triangular block which is transversely slidably mounted on the bearing plate and is matched with the inclined block.
Preferably, the detection rack is fixedly installed on one transverse side wall of the sliding rail, the detection gear is rotatably installed in the cylinder, the control device comprises an insulating plate which is rotatably installed on the bearing plate and coaxially rotates with the detection gear, a rectangular conductive frame is fixed on the insulating plate, the rectangular conductive frame is respectively matched with a conductive ring fixedly installed on the bearing plate through an arc conductive plate which is connected with the rectangular conductive frame and vertically arranged at intervals, magnets are respectively fixed on the two longitudinal sides of the insulating plate on the bearing plate, N-level and S-level of the two magnets are oppositely arranged, the conductive ring, the arc conductive plate and the rectangular conductive frame are connected in series through wires, an ammeter is connected in series in the loop, the ammeter is electrically connected with a microcontroller, and the microcontroller controls the locking device to act and realize the positioning of the bearing plate again.
Preferably, the horizontal both sides in locking post bottom are connected with the reference column of the cooperation installation of horizontal slip through positioning spring respectively, be provided with in the cylinder with two reference column matched with locating holes and when the locking post withdrawed from in the locking hole completely under unlocking device's effect, the reference column just slips into to the locating hole that corresponds with it under positioning spring's effect, the cylinder internal fixation has electro-magnet and electro-magnet to establish ties in first steady voltage return circuit, the reference column is fixed with the conducting strip towards electro-magnet one side, the switch-on of first steady voltage return circuit of microcontroller control, disconnection.
Preferably, the arc has the rotation to install the first one-way gear and the coaxial rotation of first one-way gear in the base plate has second one-way gear through the drive of first gear rack transmission device, first one-way gear and the installation of the reverse cooperation of second one-way gear, first one-way gear meshing has the idler of rotation installation in the base plate and the idler meshing has the drive gear of rotation installation in the base plate, drive gear and the meshing of second one-way gear and the coaxial rotation of drive gear have drive gear, drive gear is connected with recorder.
Preferably, the recording device comprises an inner gear ring which is engaged with the driving gear and is rotatably installed in the substrate, the scribing pen is fixed on the outer circular surface of the inner gear ring along the radial direction of the inner gear ring, the recording ring is arranged in the substrate, and the recording paper matched with the scribing pen is installed on the inner circular surface of the recording ring.
Preferably, a bearing ring and a recording ring are fixed on the bottom wall of the base plate and are vertically slidably mounted in the bearing ring, an L-shaped extrusion plate is fixed at the bottom of the marking pen, a U-shaped frame is arranged on the bearing ring in a longitudinally sliding mode in a matched mode, a lifting spring is connected between the U-shaped frame and the bearing ring, the U-shaped frame is driven by a second gear and rack transmission device to be provided with a third one-way gear rotatably mounted on the bearing ring, the third one-way gear is meshed with a lifting rack integrally connected with the recording ring, and a limiting device used for limiting the lifting rack is arranged on the bearing ring.
Preferably, the limiting device comprises: one side of the lifting rack, which deviates from the second gear rack transmission device, is connected with a limiting column in longitudinal sliding fit with the lifting rack through a limiting spring, and a plurality of limiting holes matched with the limiting column are arranged on the bearing ring, which is fixedly provided with a limiting plate and a limiting plate, at vertical intervals.
Preferably, positioner is fixed with on hydraulic stem and the hydraulic stem telescopic link on the vertical both sides wall of connecting box including fixed mounting and removes a matched with arc locating plate, trigger device installs the resistance card, two including setting up on the horizontal both sides wall of a rectangle section of thick bamboo and a rectangle section of thick bamboo in the base plate resistance card is established ties in the second steady voltage return circuit, and one of them resistance card is connected with second steady voltage return circuit power negative pole, and another resistance card is connected with second steady voltage return circuit power positive pole, be connected with vertical slidable mounting in a rectangle section of thick bamboo through trigger spring on the rectangle section of thick bamboo diapire slide board and the horizontal both sides of slide board and resistance card sliding fit position install the conducting strip, it has ampere meter and ampere meter electric connection to have control system to establish ties in the second steady voltage return circuit, control system controls the action of hydraulic stem.
The beneficial effects of the technical scheme are as follows:
(1) the civil engineering anti-seismic structure is characterized in that the two adjacent conveying pipes are connected through the retractable hose, and when an earthquake occurs, the two adjacent conveying pipes can generate certain displacement along the direction of earthquake waves, namely, the connecting part of the two conveying pipes can generate certain deformation, and rigid connection is changed into soft connection, so that the protection capability against the earthquake is greatly improved, and the protection on the pipeline connecting part is better realized;
(2) in the scheme, two substrates are placed on a seismic simulation platform, longitudinal and transverse seismic waves are applied (the situation that the earthquake is simulated to be temporary), under the condition of applying seismic waves of a certain grade, the recording device can record the shaking times of the connecting box caused by the seismic waves vertical to the conveying pipe, the shaking times are too small (the selected telescopic spring is hard, the buffering effect on the connecting box cannot be realized) or the shaking times are too large (the selected telescopic spring is soft, the shaking times of the connecting box are more, and the protection on the connecting part of the pipeline is not facilitated), according to the recorded data, springs with different elastic coefficients are further arranged, and through multiple tests, the optimal spring is sought, so that the shaking frequency of the connecting box is within a certain reasonable range (namely, the connecting box is well buffered, and the phenomenon that the shaking frequency of the connecting box is too high when the connecting box encounters an earthquake is avoided);
(3) in the scheme, earthquakes of different grades can be applied to the base plate through the earthquake simulation platform, and then the experiment shows that when the base plate meets the conditions of earthquakes of different grades, the corresponding optimal expansion spring is selected for adapting to the situation that the earthquakes of different grades occur, and the optimal anti-seismic protection effect is generated on the conveying pipe.
Drawings
FIG. 1 is a schematic view of the overall structural assembly of the present invention;
FIG. 2 is a schematic view of the present invention showing the installation relationship of a single junction box to a delivery pipe;
FIG. 3 is a longitudinal side cross-sectional view of the connection box of the present invention;
FIG. 4 is a schematic sectional view of the internal structure of the movable cylinder and the connecting box of the present invention;
FIG. 5 is a schematic view of the hose, transition pipe, delivery pipe and movable barrel of the present invention;
FIG. 6 is a schematic view of the installation relationship of the delivery tube with the vertical adjustment ring and the longitudinal adjustment ring according to the present invention;
FIG. 7 is a schematic view showing the vertical sliding relationship between the connecting box and the supporting plate according to the present invention;
FIG. 8 is a schematic view of the unlock gear assembly of the present invention;
FIG. 9 is a cross-sectional structural view of a substrate, a carrier plate, and a cylinder according to the present invention;
FIG. 10 is a schematic view illustrating the longitudinal sliding of the carrier plate along the slide rail according to the present invention;
FIG. 11 is a schematic view of the carrier plate separated from the substrate according to the present invention;
FIG. 12 is a schematic structural diagram of a control device according to the present invention;
FIG. 13 is a schematic view of another aspect of the control device of the present invention;
FIG. 14 is a schematic view of the present invention showing the fit relationship between the curved plate and the trigger plate;
FIG. 15 is a schematic view of a recording apparatus according to the present invention;
FIG. 16 is a schematic view of another recording apparatus according to the present invention;
FIG. 17 is a schematic view of the engagement between the scribing pen and the recording ring according to the present invention;
FIG. 18 is a schematic view of the L-shaped extrusion plate and the U-shaped frame of the present invention;
FIG. 19 is a schematic view of a spacing device according to the present invention;
FIG. 20 is a schematic view of a one-way gear according to the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which reference is made to the accompanying drawings, wherein like reference numerals refer to like elements throughout.
because the conveying pipes 9 on different seismic zones are affected differently by the longitudinal waves (the sizes of the longitudinal waves generated by earthquakes in different areas are different), when the base plates 1 on different seismic zones are affected by the longitudinal waves, the vertical shaking amplitudes are different, namely, one end of the conveying pipe 9 is large in vertical shaking amplitude (the base plate 1 vertically shakes to drive the conveying pipe 9 matched with the base plate 1 to vertically shake) and the other end (matched with the other base plate 1) is small in vertical shaking amplitude, at the moment, referring to the figure 6, the vertical adjusting rings 6 connected to two ends of the same conveying pipe 9 rotate to match the difference of the shaking amplitudes at two ends, and as the distance between two adjacent base plates 1 is not changed, the connecting line between the two base plates 1 is enlarged along with the difference of the vertical shaking amplitudes of the two adjacent base plates 1, at the moment, the conveying pipes 9 are connected with transition pipes 11 fixedly installed in the connecting box 4 through hoses 10, so that the effect of increasing the lengths of the conveying pipes 9 of the two adjacent base plates 1 can be achieved, the base plates 1 are used for matching different vertical shaking amplitudes, it is noted that when longitudinal waves of an earthquake are transmitted to the ground, the positioning of the movable cylinders 5 by the positioning devices is firstly released through the triggering devices arranged in the base plates 1, only after the movable cylinders 5 are released from positioning, when the two ends of the conveying pipes 9 are influenced by the longitudinal waves of different sizes, the conveying pipes can vertically shake and the hoses 10 connected with the conveying pipes are driven to extend, and the positioning devices are matched with the movable cylinders 5, so that when no earthquake occurs, the movable cylinders 5 are reliably positioned, the movable cylinders 5 are prevented from shaking, and the connection between the pipes is further influenced;
similarly, the transverse wave generated by earthquake will arrive at the ground after the longitudinal wave, at this time, the two adjacent substrates 1 will be influenced by the transverse wave to drive the conveying pipe 9 to swing back and forth along the longitudinal direction as shown in fig. 1, the substrates 1 in different areas will be influenced by the transverse wave in different magnitudes, and further the moving amplitudes will be different, at this time, the swinging amplitudes of the two ends of the same conveying pipe 9 will be different due to the influence of the transverse wave of earthquake, and further the longitudinal adjusting ring 8 rotatably mounted in the vertical adjusting ring 6 will be rotated to match the difference of the longitudinal swinging amplitudes of the conveying pipe 9, no matter the conveying pipe 9 is influenced by the longitudinal wave or the transverse wave, the moving cylinder 5 will be driven to slide in the connecting box 4 (the two ends of the conveying pipe 9 are different in the vertical or longitudinal swinging amplitude, so that the connecting parts of the two ends of the conveying pipe 9 and the hose 10 will be twisted, if the distance of the moving cylinder, will cause the connecting part of the conveying pipe 9 and the hose 10 to be torn) and make the corresponding hose 10 extend, referring to fig. 3 and 4, we fix annular baffles 12 on the moving cylinder 5 at intervals, through the two annular baffles 12 that are mutually matched, when the moving cylinder 5 slides outwards for a certain distance, under the effect of the annular baffles 12, it will not slide any more, avoid the too large shaking amplitude of the conveying pipe 9 to cause the too large torsion of the connecting part of the conveying pipe 9 and the hose 10, and then tear;
before the ring baffle 12 in the connection box 4 is not abutted against the side wall of the connection box 4, the connection box 4 is kept fixed with the base plate 1 under the action of the locking device, namely, the connection box 4 and the base plate 1 corresponding to the connection box do not move relatively, preferably, an unlocking device for unlocking the locking device to the bearing plate 2 is arranged in the connection box 4, when the ring baffle 12 in the connection box 4 is abutted against the side wall of the connection box 4, the movable cylinder 5 moves outwards to the maximum distance, the distance between the connecting lines between two adjacent connection boxes 4 is also in the maximum value, the unlocking device unlocks the bearing plate 2, namely, the connection box 4 moves longitudinally in the base plate 1 along with the bearing plate 2 at the moment, and the expansion spring 13 connected between the bearing plate 2 and the base plate 1 at the initial time (without encountering earthquake) is set to be in a compressed state, when the bearing plates 2 move in the base plate 1, the elastic potential energy of the telescopic springs 13 needs to be overcome to further buffer the bearing plates 2, the bearing plates 2 affected by the earthquake and having smaller shaking amplitude are driven by the adjacent other bearing plate 2 to longitudinally move along the respective corresponding base plate 1 along with the continuous progress of the earthquake, at the moment, the conveying pipe 9 and the hose 10 connected with the two ends of the conveying pipe are in the maximum extension range, the bearing plates 2 affected by the earthquake and having larger shaking amplitude are driven by the conveying pipe 9 to longitudinally move the bearing plates 2 affected by the earthquake and having smaller shaking amplitude, and the earthquake waves are buffered by overcoming the elastic potential energy of the telescopic springs 13;
when the bearing plate 2 and the substrate 1 move relatively, the control device arranged on the bearing plate 2 is driven by matching the detection gear 14 and the detection rack 15 which are rotatably arranged in the bearing plate 2, the control device can realize the positioning of the locking device when the bearing plate 2 moves longitudinally in the substrate 1 (the locking device cannot obstruct the movement of the bearing plate 2 in the process of moving the bearing plate 2 in the substrate 1), after the earthquake waves disappear, the bearing plate 2 stops moving after moving to the initial position under the action of the telescopic spring 13 (the telescopic spring 13 has certain elastic potential energy when being initially arranged), and at the moment, the control device controls the locking device to realize the locking of the bearing plate 2 again;
specifically, during the test, referring to fig. 1, two adjacent substrates 1 are respectively placed on different earthquake simulation vibration tables, longitudinal waves and transverse waves generated during the earthquake are simulated through the earthquake simulation vibration tables, and the two earthquake simulation vibration tables apply earthquake waves of different grades to the corresponding substrates 1 to simulate the difference of the earthquake wave sizes received by the substrates 1 on different earthquake zones when a real earthquake occurs, so that the shaking amplitudes of the substrates 1 are different, and further the real scene of the earthquake is simulated, because the earthquake simulation vibration tables are the prior art, the detailed description is not provided in the scheme, the longitudinal vibration is firstly applied to the substrates 1 through the earthquake simulation vibration tables (the longitudinal waves firstly reach the ground in the earthquake), so that the trigger device releases the positioning of the positioning device on the movable cylinder 5, and further the movable cylinder 5 can move in the connecting box 4, so as to realize the effect of moving the conveying pipe 9, and then applying transverse vibration (vibration along the direction vertical to the extending direction of the conveying pipe 9) to the base plate 1 at certain intervals so as to simulate the influence of seismic transverse waves on the conveying pipe 9;
the conveying pipe 9 is shaken vertically and along the direction perpendicular to the extension direction of the conveying pipe 9 under the action of vibration, so that after the moving cylinder 5 moves to the maximum distance, the unlocking device unlocks the corresponding bearing plate 2 at the moment, and then the bearing plate 2 and the corresponding base plate 1 move relatively, as the destructive force of longitudinal waves generated by earthquake is small, and the destructive force generated by transverse waves is large, in the test, the influence of the earthquake transverse waves on the conveying pipe 9 is mainly researched, and similarly, when the anti-seismic structure is arranged, the anti-seismic protection is also mainly performed aiming at the condition that the conveying pipe 9 is subjected to the earthquake transverse waves (the conveying pipe 9 is subjected to the vibration along the direction perpendicular to the extension direction of the conveying pipe) so that the bearing plate 2 is installed in the base plate 1 in a sliding mode along the direction perpendicular to the extension direction of the conveying pipe 9, and better, when the bearing plate 2 moves back and forth in the base plate 1 (is subjected to the influence of the earthquake, the bearing plates 2 are influenced by earthquake transverse waves, so that the bearing plates 2 positioned in two adjacent base plates 1 perform reciprocating movement in the base plates 1 corresponding to the bearing plates (the bearing plates 2 influenced by the earthquake transverse waves greatly drive another adjacent bearing plate 2 influenced by the earthquake transverse waves less through the conveying pipe 9, the moving cylinder 5, the vertical adjusting ring 6 and the longitudinal adjusting ring 8), the trigger plate 18 fixedly arranged on the bearing plates 2 is matched with the arc-shaped plate 17 transversely and slidably arranged on the side wall of the base plate 1 (the arc-shaped plate 17 is arranged on the central boundary line of the base plate 1), so that in the reciprocating movement process of the bearing plates 2, when the trigger plate 18 moves to the position corresponding to the arc-shaped plate 17, the arc-shaped plate 17 is forced to move towards the direction far away from the trigger plate 18 and compress the reset spring 16, and then the frequency of the reciprocating movement of the bearing plates 2 is recorded through the, The times are counted, then test data are collected and sorted, so that when the same-grade earthquake wave is applied, the elastic coefficient of an expansion spring 13 connected between the base plate 1 and the bearing plate 2 is changed, the reciprocating movement frequency of the bearing plate 2 under the vibration is further changed, and an optimal scheme is found, so that when the bearing plate 2 is subjected to the earthquake with the corresponding grade, the reciprocating movement frequency of the bearing plate 2 is within a reasonable range under the action of the expansion spring 13;
by the aid of the device, anti-seismic structures corresponding to pipeline connection positions in different regions are designed through tests according to different regional conditions (different sizes and grades of earthquake generation in different regions).
initially, when the annular baffle 12 at one end of the moving cylinder 5 in the connecting box 4 is not abutted to the side wall of the connecting box 4, the locking post 21 is inserted into the locking hole 23 formed in the slide rail 20 under the action of the locking spring 22 to achieve the locking effect on the bearing plate 2, at this time, the conveying pipe 9 is affected by an earthquake, and only the moving cylinder 5 corresponding to the moving cylinder is driven to move in the connecting box 4 and achieve the primary buffering of the earthquake through the second spring 7, so that when the moving cylinder 5 cannot continue to move outwards under the limitation of the annular baffle 12, at this time, the unlocking device just acts on the inclined block 24 and drives the locking post 21 to move upwards, so that the locking post 21 moves upwards and compresses the locking spring 22, and then the locking post 21 withdraws from the locking hole 23 to unlock the bearing plate 2, at this time, the bearing plate 2 reciprocates in the base plate 1 under the action of the transverse wave of the earthquake and achieves the buffering of the bearing plate 2 (the connecting box 4) through the expansion spring 13 A punching effect and the control means now achieve the effect of positioning the locking stud 21 withdrawn from the locking hole 23.
the unlocking gear 26 transmission device comprises a worm 29 which coaxially rotates with the unlocking gear 26, the worm 29 drives a worm wheel 27 which is rotatably installed in the connecting box 4, the worm wheel 27 is driven by a telescopic rod 30 (the telescopic rod 30 is arranged to be matched with the vertical displacement change between the connecting box 4 and the bearing plate 2) to be provided with a third gear rack transmission device 31, and the third gear rack transmission device 31 drives the two triangular blocks 28 to move in the opposite direction or in the opposite direction.
when the carrier plate 2 moves back and forth along the sliding rail 20 in the substrate 1 under the action of the seismic waves, as shown in fig. 10, the detection gear 14 rotatably mounted in the cylinder 19 is synchronously driven to rotate along the detection rack 15, and then the insulating plate 32 coaxially rotating with the detection gear 14 is synchronously driven to rotate, and the insulating plate 32 rotates to drive the rectangular conductive frame 33 to rotate between the two magnets 36, so that the rectangular conductive frame 33 cuts the magnetic induction lines to generate current, and the rectangular conductive frame 33, the arc-shaped conductive plate 34, and the conductive ring 35 form a closed circuit (if a part of the conductors in the closed circuit do the motion of cutting the magnetic induction lines in the magnetic field, electrons in the conductors will receive the lorentz force, which belongs to the non-electrostatic force and can cause a potential difference, thereby generating current, which is called induction current), as long as the carrier plate 2 moves along the sliding rail 20, the detection gear 14 drives the rectangular conductive frame 33 to perform cutting magnetic induction line movement through the insulating plate 32 which coaxially rotates with the detection gear, the ammeter detects current generated in a loop, after the earthquake wave is slowly weakened to disappear, the bearing plate 2 moves to an initial position plate under the action of the extension spring 13 and does not move along the slide rail 20, the detection gear 14 also synchronously stops rotating at the moment, the rectangular conductive frame 33 does not perform cutting magnetic induction line movement any more at the moment, the ammeter detects that the current in the loop disappears, the ammeter controls the locking column 21 to move downwards through the microcontroller which is electrically connected with the ammeter at the moment, the locking column 21 further moves downwards under the action of the locking spring 22 and is inserted into the locking hole 23 again, and the effect of re-positioning of the bearing plate 2 is achieved.
we fix the electromagnet 36 in the cylinder 19 and connect the electromagnet 36 in series in the first voltage stabilizing loop, and we fix the conducting strip on the side of the positioning post 39 facing the electromagnet 36, when the ammeter detects the current in the loop disappears, the microcontroller controls the first voltage stabilizing loop to be on and the electromagnet 36 is electrified to generate electromagnetic force at this time, the positioning post 39 located in the positioning hole 40 is sucked out from the positioning hole 40 by the electromagnetic force and is contracted again into the locking post 21, at this time the locking post 21 is inserted downwards into the locking hole 23 under the action of the locking spring 22 to achieve the locking effect to the carrier plate 2, but when the ammeter detects the current in the loop, the microcontroller controls the first voltage stabilizing loop to be off, at this time the electromagnet 36 has no electromagnetic force, and when the locking post 21 just withdraws from the locking hole 23 completely (at this time the carrier plate 2 does not start moving yet), the positioning column 39 is ejected into the positioning hole 40 under the action of the positioning spring 38, so that the locking column 21 is positioned.
Embodiment 6, on the basis of embodiment 1, referring to fig. 15, the arc plate 17 is driven by a first rack-and-pinion gear 41 to have a first one-way gear 42 rotatably mounted in the base plate 1, the first one-way gear 42 coaxially rotates to have a second one-way gear 43, the first one-way gear 42 is engaged with an idler gear 44 rotatably mounted in the base plate 1, the idler gear 44 is engaged with a transmission gear 45 rotatably mounted in the base plate 1, referring to fig. 16, the transmission gear 45 is engaged with the second one-way gear 43, referring to fig. 15, the transmission gear 45 coaxially rotates to have a driving gear 46, referring to fig. 14, when the cylinder 19 is not subjected to a seismic wave, the trigger plate 18 is at an intermediate position in the base plate 1 and is abutted against the arc plate 17, at the time, the return spring 16 is in a compressed state, when the cylinder 19 is subjected to a seismic wave generated in a direction perpendicular to the conveying pipe, and further drives the trigger plate 18 to perform reciprocating movement in the base plate 1, and along with the reciprocating movement of the trigger plate 18, when the trigger plate 18 is not in contact with the arc-shaped plate 17, the arc-shaped plate 17 moves towards the direction close to the cylinder 19 under the action of the return spring 16 and drives the first one-way gear 42 to rotate through the first rack-and-pinion transmission device 41, as shown in fig. 15, the first one-way gear 42 drives the transmission gear 45 to rotate through the idle gear 44 engaged with the first one-way gear and drives the transmission gear 45 to rotate along the set direction (at this time, the second one-way gear 43 idles, that is, at this time, the second one-way gear 43 cannot drive the transmission gear 45 to rotate), the transmission gear 45 drives the recording device to start to operate through the driving gear 46 rotating coaxially with the transmission gear, when the trigger plate 18 moves to the position corresponding to the arc-shaped plate 17 again, the arc-, the first gear rack transmission device 41 drives the second one-way gear 43 to rotate (at this time, the first one-way gear 42 cannot drive the idle gear 44 to rotate and at this time, the first one-way gear 42 idles), and then the second one-way gear 43 drives the driving gear 46 to rotate through the transmission gear 45 meshed with the second one-way gear 43 (the second one-way gear 43 drives the transmission gear 45 to rotate along the set direction), and the driving gear 46 drives the recording device to work;
the first one-way gear 42 and the second one-way gear 43 are installed in a reverse fit manner, so that no matter the arc plate 17 moves towards the direction close to the cylinder 19 or away from the cylinder 19, the driving gear 46 can rotate towards a fixed direction through the cooperation of the first one-way gear 42, the second one-way gear 43, the idle gear 44 and the transmission gear 45, and then the driving gear 46 realizes the frequency of reciprocating movement of the cylinder 19 (bearing plate 2) in the base plate 1 through a recording device connected with the driving gear (namely, the times of reciprocating movement of the cylinder 19 in the base plate 1 from the time when the cylinder 19 is subjected to seismic waves along the direction perpendicular to the conveying pipe 9 to the time when the seismic waves disappear), if the times of reciprocating movement of the cylinder 19 in the base plate 1 are more, the expansion spring 13 is indicated to be soft (namely, the expansion spring 13 cannot provide enough elastic potential energy to the cylinder 19 for preventing the cylinder 19 from being subjected to the seismic waves, the cylinder 19 stops moving in a short time, when the cylinder 19 is subjected to the earthquake wave along the direction vertical to the conveying pipe 9, the more times of reciprocating movement of the cylinder 19 in the base plate 1, the possibility of damage of the connecting part of the conveying pipe 9 and the hose 10 is greatly increased), if the number of times of reciprocating movement of the cylinder 19 in the base plate 1 is less, the expansion spring 13 is hard (when the cylinder 19 is subjected to the earthquake wave along the direction vertical to the conveying pipe 9, if the magnitudes of the earthquake waves received by the two adjacent base plates 1 are different, the amplitudes of the two base plates 1 along the direction vertical to the conveying pipe 9 are also different, the base plate 1 with the larger amplitude drives the other base plate 1 with the smaller amplitude to move through the conveying pipe 9 connected between the two base plates 1, and at the moment, excessive acting force acts on the conveying pipe 9, and the possibility of damage of the conveying pipe 9 is greatly increased, that is, neither too stiff expansion spring 13 nor too soft expansion spring 13 enables the delivery pipe 9 to receive a good protection effect when subjected to seismic waves in a direction perpendicular thereto;
we are through exerting the seismic wave of different grades to two base plates 1 at every turn, and through setting up the expanding spring 13 of different specifications, when two adjacent base plates 1 from receiving the seismic wave begin to the seismic wave disappearance, carry out reciprocating motion's number of times through cylinder 19 in two base plates 1 of recorder record, thereby study expanding spring 13 select for use and receive the relation of seismic wave size, and then conclude through the experiment, when taking place different seismic grade, select for use optimum expanding spring 13, realize the best antidetonation protective effect to conveyer pipe 9 (be applicable to different regional earthquake grades of taking place different, be used for the antidetonation of the conveyer pipe 9 in adaptation different regions).
Embodiment 7, on the basis of embodiment 6, referring to fig. 17, a recording apparatus includes an inner ring gear 47 engaged with a driving gear 46 and rotatably installed in a base plate 1, when the driving gear 46 rotates in a set direction, the inner ring gear 47 is further driven to rotate in a fixed direction, and a scribing pen 48 is fixed on an outer circumferential surface of the inner ring gear 47 in a radial direction thereof, a recording ring 67 is installed in the base plate 1, and a recording paper matched with the scribing pen 48 is installed on an inner circumferential surface of the recording ring 67, that is, when a trigger plate 18 passes through an arc plate 17 each time (at this time, the arc plate 17 has two actions, that is, the trigger plate 18 forces the arc plate 17 to move away from a cylinder 19, and when the arc plate 17 is separated from the trigger plate 18, the arc plate 17 moves toward a direction close to the cylinder 19 under the action of a return spring 16), each action of the arc plate 17 can drive the inner ring gear 47 to rotate by the same angle in the fixed, that is, the scribing pen 48 is driven to slide out of the same radian locus on the recording paper, the seismic wave disappears, and when the cylinder 19 does not move any more, the number of times of reciprocating movement of the cylinder 19 is obtained by measuring the arc length drawn on the recording paper by the scribing pen 48 (the total arc length obtained by measurement is divided by the arc length drawn by the scribing pen 48 during each action of the arc plate 17, and half of the obtained value is the number of times of reciprocating movement of the cylinder 19).
Example 8, on the basis of example 7, referring to fig. 17 and 18, a bearing ring 49 is fixed on the bottom wall of a base plate 1, a recording ring 67 is vertically and slidably mounted in the bearing ring 49, an L-shaped pressing plate 50 is fixed at the bottom of a marking pen 48, the L-shaped pressing plate 50 is matched with a U-shaped frame 51 longitudinally and slidably mounted on the bearing ring 49, a lifting spring 52 is connected between the U-shaped frame 51 and the bearing ring 49, the U-shaped frame 51 is driven by a second rack-and-pinion transmission device 53 to be provided with a third one-way gear 54 rotatably mounted on the bearing ring 49, we set that the lifting spring 52 is in a natural extension state at the initial time and the U-shaped frame 51 and the L-shaped pressing plate 50 are in contact with each other along with the rotation of an inner gear ring 47, so that when the L-shaped pressing plate 50 is moved to a position in contact with the U-shaped frame 51 again, at this time, the U-shaped frame 51 is acted on by the L-shaped pressing plate 50, so that the U-shaped frame 51 is forced to move away from the bearing ring 49 and the lifting spring 52 is stretched, the U-shaped frame 51 drives the third one-way gear 54 to rotate through the second rack-and-pinion transmission device 53, the third one-way gear 54 further drives the lifting rack 55 engaged with the third one-way gear to move upwards for a certain distance, further, the recording ring 67 is driven to move upwards for a certain distance synchronously (when the L-shaped extrusion plate 50 is separated from the U-shaped frame 51 again, the U-shaped frame 51 moves towards the direction close to the bearing ring 49 under the action of the lifting spring 52, at this time, the second gear rack transmission device 53 cannot drive the lifting rack 55 to move through the third one-way gear 54, and at this time, the third one-way gear 54 idles), a limiting device is arranged on the bearing ring 49, and the limiting device can realize a limiting effect on the lifting rack 55 after the lifting rack 55 moves upwards for a certain distance;
when the recording ring 67 moves upward by a certain distance, the scribing pen 48 continues scribing at another height position on the recording paper with continued rotation of the ring gear 47.
referring to fig. 9, the triggering device includes a rectangular cylinder 62 disposed in the substrate 1, and two resistance sheets are mounted on two lateral walls of the rectangular cylinder 62, the two resistance sheets are connected in series in a second voltage stabilizing loop, one of the resistance sheets is connected with a negative electrode of a power supply of the second voltage stabilizing loop, the other resistance sheet is connected with a positive electrode of the power supply of the second voltage stabilizing loop, a sliding plate 64 vertically slidably mounted in the rectangular cylinder 62 is connected to a bottom wall of the rectangular cylinder 62 through a triggering spring 65, and a conductive sheet is mounted at a sliding fit portion of two lateral sides of the sliding plate 64 and the resistance sheets, an ammeter is connected in series in the second voltage stabilizing loop, when an earthquake occurs, since a propagation speed of the earthquake longitudinal wave is greater than that of the earthquake transverse wave, the sliding plate 64 vertically shakes due to an influence of the earthquake longitudinal wave when the earthquake longitudinal wave first reaches the ground, and further changes a resistance value of the two resistance sheets connected in the second voltage stabilizing loop, when the resistance in the second voltage stabilizing loop changes, the ammeter detects that the current in the loop fluctuates, and at this time, a control system (which may be a microcontroller for monitoring the fluctuation of the current and controlling the hydraulic rod 60 to generate corresponding actions) electrically connected with the ammeter controls the action of the hydraulic rod 60 and drives the arc-shaped positioning plate 61 to separate from the movable cylinder 5, so that the movable cylinder 5 is changed from a positioning state to a free state, and then the earthquake transverse waves reach the ground, and when the two ends of the conveying pipe 9 are subjected to the earthquake transverse waves which are vertical to the conveying pipe and have different sizes, the movable cylinders 5 at the two ends are driven to move (so that the second springs 7 are stretched to realize a certain buffering effect);
so that when the earthquake disappears, the sliding plate 64 vertically slidably mounted in the rectangular cylinder 62 does not shake vertically and the current in the second voltage stabilizing circuit also tends to be stable, and at this time, the control system controls the hydraulic rod 60 to move and drives the arc positioning plate 61 to realize the positioning effect on the movable cylinder 5 again.
Referring to fig. 20, the first one-way gear 42, the second one-way gear 43 and the third one-way gear 54 in the present embodiment have the same structure, each including an outer ring gear 69 and the outer ring gears 69 are rotatably mounted on the corresponding gear shafts 68, the inner circle surface of the outer gear ring 69 is provided with a plurality of ratchets 70 and the corresponding gear shaft 68 is rotatably provided with pawls 71 which are matched with the ratchets 70, the gear shaft 68 is fixed with an elastic rubber block 63 which is matched with the pawl 71, the elastic rubber block 63 is used for realizing the resetting of the pawl 71, when the outer gear ring 69 is rotated along the counterclockwise direction as shown in figure 20, the outer ring gear 69 cannot drive the gear 46 shaft to rotate, at which time the outer ring gear 69 performs idle rotation, and when the outer ring gear 69 is subjected to rotation in the clockwise direction as viewed in fig. 20, the outer ring gear 69 drives the gear 46 shaft to rotate and power transmission is achieved.
The civil engineering anti-seismic structure is connected by arranging the retractable hose 10 between the two adjacent conveying pipes 9, and when an earthquake occurs, the two adjacent conveying pipes 9 can generate certain displacement along the direction of earthquake waves, namely, the connecting part of the two conveying pipes 9 can generate certain deformation, and rigid connection is changed into soft connection, so that the protection capability against the earthquake is greatly improved, and the protection of the pipeline connecting part is better realized;
in this scheme, we place two substrates 1 on a seismic simulation platform, and apply longitudinal and transverse seismic waves (simulating the temporary situation of an earthquake), under the condition of applying seismic waves of a certain grade, the recording device can record the shaking times of the connecting box caused by the seismic waves in the direction vertical to the conveying pipe 9, the shaking times are too small (the selected telescopic spring is hard, the buffer effect on the connecting box 4 cannot be realized) or the shaking times are too large (the selected telescopic spring is soft, the shaking times of the connecting box 4 are more, and the protection of the connecting part of the pipeline is not facilitated), according to the recorded data, springs with different elastic coefficients are further arranged, and through multiple tests, the optimal spring is sought, so that the shaking frequency of the connecting box 4 is within a certain reasonable range (namely, the connecting box 4 is well buffered, and the phenomenon that the shaking frequency of the connecting box is too high when an earthquake occurs is avoided);
in the scheme, earthquakes of different grades can be applied to the base plate 1 through the earthquake simulation platform, and then the experiment shows that when the base plate meets the conditions of earthquakes of different grades, the corresponding optimal expansion spring 13 is selected for adapting to the situation that the earthquakes of different grades occur, and the optimal anti-seismic protection effect is generated on the conveying pipe 9.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. The civil engineering anti-seismic structure comprises a base plate (1) and is characterized in that a bearing plate (2) is arranged in the base plate (1) in a longitudinal sliding mode, a connecting box (4) which is in vertical sliding fit with the bearing plate (2) is connected onto the bearing plate (2) through a first spring (3), moving cylinders (5) are respectively arranged at the two transverse ends of the connecting box (4) in a transverse sliding mode, vertical adjusting rings (6) are rotatably arranged on the two longitudinal sides in the moving cylinders (5), a second spring (7) is connected between the moving cylinders (5) and the connecting box (4), longitudinal adjusting rings (8) are rotatably arranged on the upper side and the lower side in the vertical adjusting rings (6), conveying pipes (9) are fixed in the longitudinal adjusting rings (8) coaxially, one ends of the conveying pipes (9) in the connecting box (4) are communicated with transition pipes (11) fixed in the connecting box (4) through hoses (10), a positioning device for positioning the movable barrel (5) is arranged in the connecting box (4), and a trigger device for releasing the positioning of the movable barrel (5) by the positioning device is arranged in the base plate (1);
the bearing plate (2) is connected with telescopic springs (13) between the bearing plate (2) and two longitudinal side walls in the base plate (1) respectively, a locking device for locking the bearing plate (2) is arranged in the base plate (1), an unlocking device for unlocking the locking device to lock the bearing plate (2) is arranged in the connecting box (4), a detection gear (14) is rotatably arranged in the bearing plate (2), the detection gear (14) is meshed with a detection rack (15) arranged in the base plate (1), the detection gear (14) drives a control device arranged on the bearing plate (2), the control device can realize the positioning of the locking device when the bearing plate (2) longitudinally moves in the base plate (1) and can control the locking device to lock the bearing plate (2) again when the bearing plate (2) stops moving;
the improved bearing plate is characterized in that an arc-shaped plate (17) which is in transverse sliding fit with one lateral wall of the base plate (1) is connected to the base plate (1) through a marking pen (48), a trigger plate (18) which is matched with the arc-shaped plate (17) is fixed to the bearing plate (2), the arc-shaped plate (17) is connected with a recording device, and the recording device can record the frequency of the bearing plate (2) which longitudinally moves in the base plate (1).
2. The civil engineering earthquake-resistant structure as claimed in claim 1, wherein the bearing plate (2) is longitudinally slidably mounted on the bottom wall of the base plate (1) through a cylinder (19) connected with the bearing plate in an integrated manner, a slide rail (20) longitudinally slidably fitted with the cylinder (19) is fixedly mounted on the bottom wall of the base plate (1), the locking device comprises a locking column (21) coaxially arranged with the cylinder (19) and vertically slidably mounted on the cylinder (19), a locking spring (22) is connected between the locking column (21) and the cylinder (19), a locking hole (23) matched with the locking column (21) is formed in the slide rail (20), the locking column (21) upwards penetrates through the bearing plate (2) and penetrates through one end of the bearing plate, and oblique blocks (24) are fixed on two transverse sides of the bearing plate, and the oblique blocks (24) are matched with the unlocking device.
3. An earthquake-resistant structure for civil engineering according to claim 1, characterised in that the unlocking means comprise an L-shaped rack (25) fixedly connected to the mobile cylinder (5) and the L-shaped rack (25) is engaged with an unlocking gear (26), the unlocking gear (26) being driven by an unlocking transmission means with a triangular block (28) mounted on the bearing plate (2) in a sliding manner transversely and cooperating with the inclined block (24).
4. The civil engineering earthquake-resistant structure according to claim 2, wherein the detection rack (15) is fixedly mounted on one lateral side wall of the slide rail (20) and the detection gear (14) is rotatably mounted in the cylinder (19), the control device comprises an insulation plate (32) rotatably mounted on the bearing plate (2) and coaxially rotating with the detection gear (14), a rectangular conductive frame (33) is fixed on the insulation plate (32), the rectangular conductive frame (33) is respectively matched with a conductive ring (35) fixedly mounted on the bearing plate (2) through an arc-shaped conductive plate (34) connected with the rectangular conductive frame and vertically arranged at intervals, magnets (36) are respectively fixed on two longitudinal sides of the insulation plate (32) on the bearing plate (2), N-level and S-level of the two magnets (36) are oppositely arranged, and the conductive ring (35), the arc-shaped conductive plate (34) and the conductive ring (32) are oppositely arranged, The rectangular conductive frames (33) are connected in series through wires, an ammeter is connected in series in the loop, the ammeter is electrically connected with a microcontroller, and the microcontroller controls the action of the locking device and realizes the positioning of the bearing plate (2) again.
5. The civil engineering earthquake-resistant structure as claimed in claim 4, wherein the locking post (21) is connected with positioning posts (39) which are installed in a sliding fit in a transverse direction through positioning springs (38) at two transverse sides of the bottom of the locking post (21), positioning holes (40) which are matched with the two positioning posts (39) are arranged in the cylinder (19), when the locking post (21) is completely withdrawn from the locking hole (23) under the action of the unlocking device, the positioning posts (39) just slide into the corresponding positioning holes (40) under the action of the positioning springs (38), an electromagnet (36) is fixed in the cylinder (19), the electromagnet (36) is connected in series in the first voltage stabilizing loop, a conducting strip is fixed on one side of the positioning posts (39) facing the electromagnet (36), and the microcontroller controls the first voltage stabilizing loop to be connected and disconnected.
6. A civil engineering seismic structure according to claim 1, wherein the curved plate (17) is driven by a first rack and pinion transmission (41) to have a first one-way gear (42) rotatably mounted in the base plate (1) and the first one-way gear (42) coaxially rotates to have a second one-way gear (43), the first one-way gear (42) and the second one-way gear (43) are reversely fitted, the first one-way gear (42) is engaged with an idler gear (44) rotatably mounted in the base plate (1) and the idler gear (44) is engaged with a transmission gear (45) rotatably mounted in the base plate (1), the transmission gear (45) is engaged with the second one-way gear (43) and the transmission gear (45) coaxially rotates to have a drive gear (46), and the drive gear (46) is connected with a recording device.
7. A civil engineering seismic structure according to claim 6, characterized in that the recording means comprises an inner ring gear (47) which is engaged with the driving gear (46) and is rotatably mounted in the base plate (1), the outer circumferential surface of the inner ring gear (47) is fixed with the marking pen (48) along the radial direction thereof, a recording ring (67) is provided in the base plate (1) and the inner circumferential surface of the recording ring (67) is mounted with recording paper which is matched with the marking pen (48).
8. Civil engineering seismic structure according to claim 7, characterized in that the base plate (1) has a bearing ring (49) fixed to its bottom wall and the recording ring (67) is vertically slidably mounted in the bearing ring (49), an L-shaped extrusion plate (50) is fixed at the bottom of the scribing wall, the L-shaped extrusion plate (50) is matched with a U-shaped frame (51) which is longitudinally and slidably arranged on a bearing ring (49), a lifting spring (52) is connected between the U-shaped frame (51) and the bearing ring (49), the U-shaped frame (51) is driven by a second gear rack transmission device (53) to be provided with a third one-way gear (54) which is rotatably arranged on the bearing ring (49), the third one-way gear (54) is engaged with a lifting rack (55) integrally connected with the recording ring (67), and a limiting device used for limiting the lifting rack (55) is arranged on the bearing ring (49).
9. An earthquake-resistant structure for civil engineering according to claim 8, wherein said limiting means comprises: lifting rack (55) deviate from second gear rack transmission device (53) one side and be connected with spacing post (57) with lifting rack (55) longitudinal sliding fit through spacing spring (56), be fixed with spacing board (58) on carrier ring (49) and vertical interval is provided with a plurality of spacing holes (59) with spacing post (57) matched with on limiting plate (58).
10. A civil engineering earthquake-resistant structure according to claim 1, wherein the positioning device comprises hydraulic rods (60) fixedly installed on the two longitudinal side walls of the connecting box (4), and arc-shaped positioning plates (61) matched with the movable cylinder (5) are fixed on the telescopic rods (30) of the hydraulic rods (60), the triggering device comprises a rectangular cylinder (62) arranged in the base plate (1), resistance sheets are installed on the two transverse side walls of the rectangular cylinder (62), the two resistance sheets are connected in series in the second voltage stabilizing loop, one resistance sheet is connected with the negative electrode of the power supply of the second voltage stabilizing loop, the other resistance sheet is connected with the positive electrode of the power supply of the second voltage stabilizing loop, a sliding plate (64) vertically installed in the rectangular cylinder (62) in a sliding manner is connected to the bottom wall of the rectangular cylinder (62) through a triggering spring (65), and conducting strips are installed at the sliding fit positions of the two transverse sides of the sliding plate (64) and the resistance sheets, an ammeter is connected in series in the second voltage stabilizing loop and is electrically connected with a control system, and the control system controls the action of the hydraulic rod (60).
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| CN113202988A (en) * | 2021-05-06 | 2021-08-03 | 宁夏大学新华学院 | Civil engineering antidetonation structure |
| CN113551083A (en) * | 2021-07-21 | 2021-10-26 | 东莞粤惠建筑科技有限公司 | Anti-seismic connecting support for water delivery pipe in building |
| CN115647464A (en) * | 2022-12-14 | 2023-01-31 | 唐山新亚德波纹管科技有限公司 | Cutting device for machining metal hose and machining process thereof |
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