CN214089448U - Intelligent height-adjustable support capable of monitoring bridge posture and stress level - Google Patents
Intelligent height-adjustable support capable of monitoring bridge posture and stress level Download PDFInfo
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- CN214089448U CN214089448U CN202022381720.0U CN202022381720U CN214089448U CN 214089448 U CN214089448 U CN 214089448U CN 202022381720 U CN202022381720 U CN 202022381720U CN 214089448 U CN214089448 U CN 214089448U
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Abstract
The utility model discloses an intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge, which comprises a lower support plate, a steel basin, a rubber plate, a middle steel plate, a modified polytetrafluoroethylene plate, a stainless steel cold-rolled steel plate and a top plate, wherein the steel basin is connected with the lower support plate through a trapezoidal self-locking thread pair, an annular cushion block and a hoop; an intelligent detection module is arranged between the rubber plate and the middle steel plate and comprises an insulating non-woven fabric, a piezoelectric ceramic piece and a high-temperature shielding superfine wire, and a metal film of the piezoelectric ceramic piece is connected with the charge amplifier and the data processing and transmitting unit through the high-temperature shielding superfine wire. The utility model provides an easy operation, connect stable intelligent height-adjustable support, it realizes the stepless lift adjustment of steel basin through trapezoidal self-locking screw thread pair's external force rotation, and the accurate judgement can be made to the concrete position that the support is vacated to the gesture that the piezoelectric signal through the piezoceramics piece can be real-time accurate control roof beam body and the stress level of support, in time avoids the roof beam body to topple.
Description
Technical Field
The utility model relates to a bridge antidumping design technical field especially relates to a can monitor bridge gesture and stress level's adjustable high support of intelligence.
Background
At present bridge antidumping design is mostly adopted and is carried out the structure measure at support department and consolidate and prevent to topple, unable real-time supervision stress level and box girder gesture, even there is the basin formula support that adopts sensing unit, but general sensing unit volume is great, be difficult to put into the support, even put into also can cause the potential safety hazard to the mechanical properties of support, and the conventional atress condition that adopts sensing unit's support can't realize each position of support, then can't realize accurate taking off to empty to a certain direction of support and making judgement and early warning.
On the other hand, because the existence of soft soil foundation, karst lava geology etc. the bridge inevitable can cause the bridge pier to appear uneven settlement because of the dead weight in the operation process, causes the influence to the ride comfort of bridge, leads to the fact very big dangerous hidden danger then. Or because of need adjusting the support elevation in the bridge work progress, often conventional support can only be increaseed or the construction is loaded down with trivial details complicacy, requires highly to self structure.
The elevation adjustment of the existing bridge support is mainly in a mechanical mode (a base plate is added, the height is adjusted spirally), a polyurethane filling mode is adopted for height adjustment, and the like; the backing plate heightening is realized by adding a steel backing plate with the required height on a support top plate or a support bottom plate to adjust the height, the steel backing plate with the corresponding thickness is designed and processed according to the heightening amount before construction, and an anchoring bolt is required to anchor the top plate or the bottom plate at each time, so that the defects of complicated construction, incapability of realizing stepless heightening and the like exist. The conventional spiral heightening is that a heightening lining plate with a thread pair is arranged in the middle of a support, although the function of stepless heightening can be realized, the heightening space left needs to be filled with grouting after the middle of the support is heightened, so that the lowering cannot be carried out, when the height of the support needs to be reduced in the later period, only one whole support can be replaced, and the cost is higher; filling polyurethane and increaseing through reserving the pore at the support bottom plate, annotating artifical materials such as modified liquid polyurethane rubber through the pump, utilize liquid-solid conversion principle to raise the rubber slab in order to reach the purpose of increaseing the support, though simple structure can realize stepless increaseing, nevertheless have certain requirement to support steel basin height and bottom plate thickness, and if need increase many times, also need set up a plurality of pressure and annotate the pore, require highly to the support leakproofness, also have certain influence to the support performance.
The above technical problems are also several difficult problems in the bridge design and construction process, and the fundamental problem is summarized that the prior art is lack of a basin-type rubber support which can accurately judge the void direction and can bidirectionally adjust the height, and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the adjustable high support of intelligence that can monitor bridge gesture and stress level that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge comprises an intelligent support arranged between a bridge pier and a bridge girder and a monitoring center in data communication with the intelligent support, wherein the intelligent support sequentially comprises a lower support plate, a steel basin and a rubber plate from bottom to top, the anchor bolt is annularly distributed at the peripheral position of the upper surface of the lower support plate, the bottom end of the anchor bolt of the lower support plate penetrates through the lower support plate and is in threaded sleeve connection with a sleeve, a gasket is arranged between a nut part at the top end of the anchor bolt of the lower support plate and the upper surface of the lower support plate, the gasket is arranged between the top end surface of the sleeve and the lower surface of the lower support plate, the bottom end of the anchor bolt of the lower support plate is in anchoring connection with a pier of a pier, a circular boss is arranged at the central position of the upper surface of the lower support plate, and a thread groove is formed in the cylindrical surface of the circular boss;
the steel basin is composed of a cylinder body and a partition plate arranged in the middle of the cylinder body, the cylinder body is divided into an upper smooth cylinder body part and a lower threaded cylinder body part by the partition plate, the inner side wall of the threaded cylinder body part is provided with a trapezoidal self-locking thread pair which is matched and sleeved with the cylindrical surface thread of the circular boss, an annular cushion block is arranged between the bottom end surface of the cylinder body and the upper surface of the lower support plate in a cushioning manner, and the outer side wall of the annular cushion block is wrapped with a hoop;
the rubber plate is hermetically sleeved at the bottom of the smooth cylinder body, a brass sealing ring is padded at the edge of the top surface of the rubber plate, the lower part of the middle steel plate is sleeved inside the smooth cylinder body, a gap is formed between the lower part of the outer side wall of the middle steel plate and the upper part of the inner side wall of the smooth cylinder body, a chloroprene rubber dustproof ring is arranged at the top of the gap between the middle steel plate and the smooth cylinder body, and the chloroprene rubber dustproof ring is specifically in a flanging ring shape;
an intelligent detection module is arranged between the rubber plate and the middle steel plate, the intelligent detection module comprises an insulating non-woven fabric, a plurality of groups of piezoelectric ceramic pieces and a high-temperature shielding superfine wire, the insulating non-woven fabric is lined on the top surface of the rubber plate, the piezoelectric ceramic pieces are circular, metal films cover the upper surface and the lower surface of each piezoelectric ceramic piece, the metal films on the lower surfaces of the piezoelectric ceramic pieces are bonded on the insulating non-woven fabric, the plurality of groups of piezoelectric ceramic pieces are annularly distributed on the upper surface of the insulating non-woven fabric, and any piezoelectric ceramic piece and the metal films on the upper surface and the lower surface of the piezoelectric ceramic piece form a group of piezoelectric units;
the two metal films of any piezoelectric ceramic piece are respectively connected with a charge amplifier through two high-temperature shielding superfine wires, the charge amplifier is electrically connected with a data processing and sending unit through a data wire, the data processing and sending unit is in communication connection with a remote data receiving terminal through wireless signal transmission, and the charge amplifier and the data processing and sending unit are respectively and electrically connected with a UPS (uninterrupted power supply);
the middle steel plate top surface is provided with a shallow groove clamped with the modified polytetrafluoroethylene plate, the upper part of the modified polytetrafluoroethylene plate extends out of the shallow groove, hemispherical grooves are uniformly distributed on the top surface of the modified polytetrafluoroethylene plate, silicone grease is filled in the hemispherical grooves, the top surface of the modified polytetrafluoroethylene plate is in sliding contact with the bottom surface of the stainless steel cold-rolled steel plate, the edge of the top surface of the stainless steel cold-rolled steel plate is fixedly connected to the bottom surface of the top plate through continuous welding, the peripheral position of the bottom surface of the top plate is fixedly connected to the bottom surface of the bridge girder through anchor bolts, anchor bolts are distributed on the peripheral position of the bottom surface of the top plate in an annular mode, the top end of the anchor bolt of the top plate penetrates through the top plate and is sleeved with a sleeve in a threaded mode, a gasket is arranged between the nut part on the top end of the anchor bolt of the top plate and the bottom surface of the top plate, and a gasket is also arranged between the bottom end surface of the sleeve and the upper surface of the top plate.
Preferably, the intelligent detection module comprises 8 groups of piezoelectric ceramic plates, and one ends of the multiple groups of high-temperature shielding ultrafine wires far away from the corresponding piezoelectric ceramic plates are subjected to bundling processing.
Preferably, the inside wall of the smooth barrel part of the steel basin is provided with a fine groove clamped with the high-temperature shielding ultra-fine wire, and sealing oil is filled between the high-temperature shielding ultra-fine wire and the fine groove, so that the sealing property in the steel basin is further ensured.
Preferably, the piezoelectric ceramic piece is a lead titanate piezoelectric ceramic piece, and the material has higher piezoelectricity, dielectric constant and ultimate strength, and the Curie point is higher than that of common piezoelectric ceramic, so that an electric signal can be generated more sensitively through the stress level frequently applied by the dynamic load on the bridge, and the posture and the stress level of the bridge can be monitored more rapidly.
Preferably, the piezoelectric ceramic piece and the non-woven insulation fabric are bonded through polyurethane glue, so that sufficient cohesive strength can be ensured, and the piezoelectric ceramic piece and the non-woven insulation fabric are not subjected to cohesive damage.
Preferably, sealing oil is filled between the trapezoidal self-locking thread pair and the inner side wall of the threaded cylinder part, the utility model provides a novel height-adjusting support which is based on a basin-shaped rubber support, a height-adjustable cast steel part with smaller diameter is added below the original steel basin to serve as a lower support plate, meanwhile, the trapezoidal self-locking thread pair is arranged inside the steel basin and outside the adjustable part, the trapezoidal self-locking thread pair also serves as a force transmission component, and the height adjustment can be realized only by rotating the steel basin due to the self-locking property of the trapezoidal threads; after heightening the support, usable annular gasket fills the space between steel basin and the lower support board to it is fixed to use the staple bolt, can assist the screw thread on the one hand and pass power, on the other hand has also increased novel adjustable support's wholeness and stability.
Preferably, the annular cushion block is formed by gluing 4 arc-shaped blocks, so that the installation and the disassembly are convenient.
Compared with the prior art, the beneficial effects of the utility model are that:
A. the utility model provides a novel but height-adjusting support based on piezoelectric effect, the inside integrated piezoceramics piece of this support, and piezoceramics piece radioactivity arranges in each inside position of support, and each piezoceramics piece has its solitary working channel, therefore the polarity of the signal of telecommunication that usable piezoelectric effect produced can be real-time accurate control roof beam body's gesture and the stress level of support to can make accurate judgement to the concrete position that the support is vacated, the roof beam body that avoids that can be timely topples.
B. Because the existence of soft soil foundation, karst lava geology etc. the bridge inevitable can cause the bridge pier uneven settlement to appear because of the dead weight in the operation process, causes the influence to the ride comfort of bridge, leads to the fact very big dangerous hidden danger then. Or need adjust the support elevation because of in the bridge work progress, often conventional support can only be heightened or the complicated complicacy of construction is under construction, requires highly to self structure, therefore this support provides a novel basin formula support that can two-way height-adjusting, has easy operation, can realize two-way stepless regulation, advantage such as with low costs.
Drawings
FIG. 1 is a partial sectional structure view of the intelligent support of the present invention;
FIG. 2 is a schematic structural diagram of the intelligent detection module of the present invention;
fig. 3 is a schematic view of a layered structure of a middle piezoelectric ceramic plate according to the present invention;
fig. 4 is a schematic structural view of the middle hoop of the present invention;
FIG. 5 is a schematic structural view of a middle ring gasket according to the present invention;
fig. 6 is a schematic view of the piezoelectric principle of the middle piezoelectric ceramic plate of the present invention.
In the figure: the device comprises a top plate 1, a stainless steel cold-rolled steel plate 2, a modified polytetrafluoroethylene plate 3, intermediate steel 4, a piezoelectric ceramic plate 5, a metal film 501, a rubber plate 6, an insulating non-woven fabric 6-1, a steel basin 7, a lower support plate 8, a sleeve 9, a gasket 10, an anchoring bolt 11, a trapezoidal self-locking thread pair 12, an annular cushion block 13, a hoop 14, a brass sealing ring 15, a chloroprene rubber dustproof ring 16, a high-temperature shielding superfine wire 17, a charge amplifier 18, a data processing and transmitting unit 19 and a remote data receiving terminal 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, an intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge sequentially comprises a lower support plate 8, a steel basin 7, a rubber plate 6, a middle steel plate 4, a modified polytetrafluoroethylene plate 3, a stainless steel cold-rolled steel plate 2 and a top plate 1 from bottom to top, wherein anchor bolts 11 are annularly distributed at the peripheral position of the upper surface of the lower support plate 8, the bottom ends of the anchor bolts 11 of the lower support plate 8 penetrate through the lower support plate 8 and are in threaded sleeve connection with a sleeve 9, a gasket 10 is arranged between the nut part at the top end of the anchor bolt 11 of the lower support plate 8 and the upper surface of the lower support plate 8, the gasket 10 is arranged between the top end surface of the sleeve 9 and the lower surface of the lower support plate 8, the bottom end of the anchor bolt 11 of the lower support plate 8 is in anchored connection with a pier of the pier, a circular boss is arranged at the central position of the upper surface of the lower support plate 8, and a threaded groove is arranged on the cylindrical surface of the circular boss; the steel basin 7 is composed of a cylinder body and a partition plate arranged in the middle of the cylinder body, the cylinder body is divided into an upper smooth cylinder body part and a lower threaded cylinder body part by the partition plate, the inner side wall of the threaded cylinder body part is provided with a trapezoidal self-locking thread pair 12 which is matched and sleeved with the cylindrical surface thread of the circular boss, an annular cushion block 13 is arranged between the bottom end surface of the cylinder body and the upper surface of the lower support plate 8 in a cushioning manner, and the outer side wall of the annular cushion block 13 is wrapped with a hoop 14; the rubber plate 6 is sleeved at the bottom of the smooth cylinder body in a sealing mode, a brass sealing ring 15 is padded at the edge of the top face of the rubber plate 6, the lower portion of the middle steel plate 4 is sleeved inside the smooth cylinder body, a gap is formed between the lower portion of the outer side wall of the middle steel plate 4 and the upper portion of the inner side wall of the smooth cylinder body, a chloroprene rubber dust ring 16 is arranged at the top of the gap between the middle steel plate 4 and the smooth cylinder body, and the chloroprene rubber dust ring 16 is specifically in the shape of a flanging ring; an intelligent detection module is arranged between the rubber plate 6 and the middle steel plate 4, the intelligent detection module comprises an insulating non-woven fabric 6-1, a plurality of groups of piezoelectric ceramic pieces 5 and a high-temperature shielding superfine lead 17, the insulating non-woven fabric 6-1 is lined on the top surface of the rubber plate 6, the piezoelectric ceramic pieces 5 are circular in shape, metal films 501 are covered on the upper surface and the lower surface of each piezoelectric ceramic piece 5, the metal films 501 on the lower surface of each piezoelectric ceramic piece 5 are bonded on the insulating non-woven fabric 6-1, the plurality of groups of piezoelectric ceramic pieces 5 are annularly distributed on the upper surface of the insulating non-woven fabric 6-1, and any piezoelectric ceramic piece 5 and the metal films 501 on the upper surface and the lower surface of the piezoelectric ceramic piece 5 form a group of piezoelectric units; the two metal films 501 of any piezoelectric ceramic piece 5 are respectively connected with the charge amplifier 18 through two high-temperature shielding superfine wires 17, the charge amplifier 18 is electrically connected with the data processing and sending unit 19 through a data line, the data processing and sending unit 19 is in communication connection with the remote data receiving terminal 20 through wireless signal transmission, and the charge amplifier 18 and the data processing and sending unit 19 are respectively and electrically connected with a UPS power supply; the shallow recess with 3 joints of modified polytetrafluoroethylene board is seted up to 4 top surfaces of middle steel sheet, 3 upper portions of modified polytetrafluoroethylene board stretch out outside the shallow recess, 3 top surface evenly distributed of modified polytetrafluoroethylene board have the hemisphere recess, the hemisphere recess intussuseption is filled with the silicone grease, 3 top surfaces of modified polytetrafluoroethylene board and 2 bottom surface sliding contact of stainless steel cold-rolled steel sheet, 2 top surface edges of stainless steel cold-rolled steel sheet are through continuous welding rigid coupling in roof 1 bottom surface, the peripheral position of roof 1 bottom surface passes through the bottom surface of anchor bolt 11 rigid coupling at the bridge girder, the peripheral position ring distribution of roof 1 bottom surface has anchor bolt 11, the anchor bolt 11 top of roof 1 passes roof 1 and the screw thread has cup jointed sleeve 9, be equipped with packing ring 10 between the nut portion on anchor bolt 11 top of roof 1 and the roof 1 bottom surface, also be equipped with packing ring 10 between sleeve 9 bottom surface and the roof 1 upper surface.
Referring to fig. 2, the intelligent detection module comprises 8 groups of piezoelectric ceramic plates 5, and one end of each group of high-temperature shielding ultrafine wires 17 far away from the corresponding piezoelectric ceramic plate 5 is subjected to bundling processing.
Referring to fig. 1, the inner side wall of the smooth cylinder portion of the steel basin 7 is provided with a fine groove clamped with the high-temperature shielding ultra-fine wire 17, and sealing oil is filled between the high-temperature shielding ultra-fine wire 17 and the fine groove, so that the sealing property in the steel basin 7 is further ensured.
Referring to fig. 3, the piezoelectric ceramic piece 5 is specifically a lead zirconate titanate piezoelectric ceramic piece, i.e. PZT-5, which has higher piezoelectric, dielectric constant and ultimate strength, and has a higher curie point than general piezoelectric ceramic, so that an electric signal can be generated more sensitively through a stress level frequently applied by a dynamic load on a bridge, thereby realizing more rapid monitoring of the posture and the stress level of the bridge.
Referring to fig. 2, the piezoelectric ceramic sheet 5 is bonded with the non-woven insulation fabric 6-1 through polyurethane glue, so that sufficient cohesive strength can be ensured, and the piezoelectric ceramic sheet and the non-woven insulation fabric are not cohered and damaged.
Referring to fig. 1, sealing oil is filled between a trapezoidal self-locking thread pair 12 and the inner side wall of a thread cylinder part, the utility model provides a novel heightening support, which is characterized in that on the basis of a basin-shaped rubber support, a height-adjustable cast steel part with smaller diameter is added below an original steel basin to serve as a lower support plate, meanwhile, the trapezoidal self-locking thread pair 12 is arranged inside the steel basin 7 and outside the adjustable part, the trapezoidal self-locking thread pair 12 serves as a heightening component and is also a force transmission component, and as the trapezoidal thread has self-locking property, the height adjustment can be realized only by rotating the steel basin 7, a jack is required to be used in advance to jack a beam lifting body during specific use, and then external force is applied to rotate the steel basin 7, so that the function of lifting the support height is realized, namely the function of bidirectional stepless heightening; after heightening the support, usable annular gasket 13 fills up the space between steel basin and the lower support board to it is fixed with staple bolt 14, can assist the screw thread to pass power on the one hand, and on the other hand has also increased novel adjustable support's wholeness and stability.
Referring to fig. 5, the annular cushion block 13 is formed by gluing 4 arc-shaped blocks, so that the installation and the disassembly are convenient.
The utility model discloses well intellectual detection system module's overturning judgement: referring to the piezoelectric signal generation principle of fig. 6, the piezoelectric material does not exhibit electric properties in a stable state and does not generate an electric signal, and when the piezoelectric material is compressed, an electric polarization phenomenon is generated in the compression process, and opposite charges are generated on two surfaces of the material; when a bridge vibrates or a vehicle runs, the load of a main beam of the bridge compresses each piezoelectric ceramic piece 5, deformation quantity is different due to different pressures applied to each piezoelectric ceramic piece 5, relative displacement of positive and negative charge centers in each piezoelectric ceramic piece 5 is caused to generate polarization, bound charges with opposite polarities appear at two ends of each piezoelectric ceramic piece 5, each piezoelectric ceramic piece 5 is connected with a charge amplifier 18 through an independent high-temperature shielding superfine wire 17, the charges are processed through the charge amplifier 18 and judge the strength and the polarity of an electric signal, and the processed result is transmitted to a remote data receiving terminal 20 through wireless signal transmission of a data processing and transmitting unit 19 to realize intelligent judgment of whether a support is empty or not and displacement, so that the function of monitoring the posture and the stress level of the bridge in real time is achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge sequentially comprises a lower support plate (8), a steel basin (7), a rubber plate (6), a middle steel plate (4), a modified polytetrafluoroethylene plate (3), a stainless steel cold-rolled steel plate (2) and a top plate (1) from bottom to top, and is characterized in that anchor bolts (11) are annularly distributed at the peripheral position of the upper surface of the lower support plate (8), the bottom end of the anchor bolt (11) of the lower support plate (8) penetrates through the lower support plate (8) and is in threaded sleeve connection with a sleeve (9), a gasket (10) is arranged between a nut part at the top end of the anchor bolt (11) of the lower support plate (8) and the upper surface of the lower support plate (8), a gasket (10) is arranged between the top end surface of the sleeve (9) and the lower surface of the lower support plate (8), the bottom end of the anchor bolt (11) of the lower support plate (8) is connected to a pier of the pier, a circular boss is arranged at the center of the upper surface of the lower support plate (8), and a threaded groove is formed in the cylindrical surface of the circular boss;
the steel basin (7) is composed of a cylinder body and a partition plate erected in the middle of the cylinder body, the cylinder body is divided into an upper smooth cylinder body part and a lower threaded cylinder body part by the partition plate, a trapezoidal self-locking thread pair (12) which is matched and sleeved with a cylindrical surface thread of a circular boss is arranged on the inner side wall of the threaded cylinder body part, an annular cushion block (13) is arranged between the bottom end surface of the cylinder body and the upper surface of the lower support plate (8) in a cushioning mode, and a hoop (14) is wrapped on the outer side wall of the annular cushion block (13);
the rubber plate (6) is sleeved at the bottom of the smooth cylinder body in a sealing mode, the lower portion of the middle steel plate (4) is sleeved in the smooth cylinder body, a brass sealing ring (15) is padded between the outer side wall of the lower portion of the middle steel plate (4) and the inner side wall of the smooth cylinder body, the top edge of the brass sealing ring (15) extends out of the smooth cylinder body, and a chloroprene rubber dustproof ring (16) is sleeved outside the top edge of the brass sealing ring (15);
be equipped with piezoceramics piece (5) between rubber slab (6) and middle steel sheet (4), piezoceramics piece (5) specifically are the ring form, the multiunit piezoceramics piece (5) annular distribution is at the upper surface of rubber slab (6), the upper surface and the lower surface of piezoceramics piece (5) all cover metal film (501), rubber slab (6) top surface and middle steel sheet (4) bottom surface are lined with insulating non-woven fabrics (6-1) respectively, the metal film (501) of piezoceramics piece (5) upper surface and lower surface bond insulating non-woven fabrics (6-1) at upper portion and lower part respectively, arbitrary two metal film (501) of piezoceramics piece (5) are connected with charge amplifier (18) through two high temperature shielding superfine wires (17) respectively, charge amplifier (18) have data processing and transmitting element (19) through data line electric connection, the data processing and transmitting unit (19) is in communication connection with a remote data receiving terminal (20) through wireless signal transmission;
the charge amplifier (18) and the data processing and transmitting unit (19) are respectively and electrically connected with a UPS power supply, any piezoelectric ceramic piece (5) and the metal films (501) on the upper surface and the lower surface of the piezoelectric ceramic piece form a group of piezoelectric units, and the insulating non-woven fabric (6-1), the multiple groups of piezoelectric ceramic pieces (5) and the high-temperature shielding superfine wires (17) form an intelligent detection module;
middle steel sheet (4) top surface rigid coupling has modified polytetrafluoroethylene board (3), modified polytetrafluoroethylene board (3) top surface rigid coupling has stainless steel cold-rolled steel sheet (2), stainless steel cold-rolled steel sheet (2) top surface rigid coupling roof (1), the peripheral position of roof (1) bottom surface passes through anchor bolt (11) rigid coupling in the bottom surface of bridge girder, the peripheral position annular distribution of roof (1) bottom surface has anchor bolt (11), the anchor bolt (11) top of roof (1) is passed roof (1) and the screw thread has cup jointed sleeve (9), be equipped with packing ring (10) between the nut portion on anchor bolt (11) top of roof (1) and roof (1) bottom surface, also be equipped with packing ring (10) between sleeve (9) bottom surface and roof (1) upper surface.
2. The intelligent height-adjustable support capable of monitoring the attitude and stress level of a bridge according to claim 1, wherein the intelligent detection module comprises 8 groups of piezoelectric ceramic plates (5), and one end of each group of the high-temperature shielding ultrafine wires (17) far away from the corresponding piezoelectric ceramic plate (5) is subjected to bundling treatment.
3. The intelligent height-adjustable support capable of monitoring the bridge posture and stress level according to claim 1, wherein the inner side wall of the smooth cylinder part of the steel basin (7) is provided with a fine groove clamped with the high-temperature shielding ultra-fine wire (17), and sealing oil is filled between the high-temperature shielding ultra-fine wire (17) and the fine groove.
4. The intelligent height-adjustable support capable of monitoring the attitude and stress level of a bridge according to claim 1, wherein the piezoelectric ceramic piece (5) is a lead-titanium-pickaxe piezoelectric ceramic piece.
5. The intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge according to claim 1, wherein the piezoelectric ceramic sheet (5) is bonded with the non-woven insulation fabric (6-1) through polyurethane glue.
6. The intelligent height-adjustable support capable of monitoring the attitude and the stress level of a bridge according to claim 1, wherein sealing oil is filled between the trapezoidal self-locking thread pair (12) and the inner side wall of the threaded cylinder body.
7. The intelligent height-adjustable support capable of monitoring the posture and stress level of a bridge according to claim 1, wherein the annular cushion block (13) is formed by gluing 4 arc-shaped blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022381720.0U CN214089448U (en) | 2020-10-23 | 2020-10-23 | Intelligent height-adjustable support capable of monitoring bridge posture and stress level |
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| CN202022381720.0U CN214089448U (en) | 2020-10-23 | 2020-10-23 | Intelligent height-adjustable support capable of monitoring bridge posture and stress level |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060523A (en) * | 2022-08-17 | 2022-09-16 | 山东大学 | Bridge bearing damage detection method, system, storage medium and equipment |
| CN116481787A (en) * | 2023-04-23 | 2023-07-25 | 广州市市政工程试验检测有限公司 | Bridge support detection device and method and intelligent force measuring support |
-
2020
- 2020-10-23 CN CN202022381720.0U patent/CN214089448U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060523A (en) * | 2022-08-17 | 2022-09-16 | 山东大学 | Bridge bearing damage detection method, system, storage medium and equipment |
| CN115060523B (en) * | 2022-08-17 | 2022-11-29 | 山东大学 | Bridge bearing damage detection method, system, storage medium and equipment |
| CN116481787A (en) * | 2023-04-23 | 2023-07-25 | 广州市市政工程试验检测有限公司 | Bridge support detection device and method and intelligent force measuring support |
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