CN218756974U - Unit type damping multidirectional displacement telescopic device - Google Patents
Unit type damping multidirectional displacement telescopic device Download PDFInfo
- Publication number
- CN218756974U CN218756974U CN202223111642.8U CN202223111642U CN218756974U CN 218756974 U CN218756974 U CN 218756974U CN 202223111642 U CN202223111642 U CN 202223111642U CN 218756974 U CN218756974 U CN 218756974U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- movable comb
- fishback
- comb plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses a unit type damping multidirectional displacement expansion device, which comprises a fixed comb plate, a movable comb plate, a fixed bottom plate, a displacement shaft and an elastic connecting assembly, wherein the front-end comb teeth of the fixed comb plate and the movable comb plate are arranged in a staggered manner, the fixed bottom plate is poured in beam-end concrete, and the fixed bottom plate is horizontally arranged below the rear end of the movable comb plate; corresponding semi-cylindrical grooves are formed in the lower surface of the movable comb plate and the upper surface of the fixed base plate, the two semi-cylindrical grooves are arranged along the whole length of the long edge direction of the movable comb plate and the fixed base plate and are matched with a shifting shaft, a gap is reserved between the movable comb plate and the fixed base plate, and the elastic connecting assemblies are symmetrically arranged on two sides of the shifting shaft to connect the movable comb plate and the fixed base plate. The utility model discloses the multidirectional telescoping device that shifts of unit formula shock attenuation has realized the multidirectional function that shifts of telescoping device, strengthens the shock attenuation effect, has reduced the not hard up condition that warp with movable fishback of connecting bolt.
Description
Technical Field
The utility model belongs to the technical field of the bridge telescoping device, concretely relates to unit formula shock attenuation multidirectional telescoping device that shifts.
Background
The bridge expansion device is arranged at the bridge expansion joint, so that the bridge span structure can be ensured to be freely deformed under the influences of temperature change, live load action, concrete contraction, creep and the like, and the vehicle can be ensured to stably pass through a beam end expansion area.
At present, the expansion devices for domestic and foreign bridges mainly include modular expansion devices, comb plate expansion devices, seamless expansion devices and the like. The comb plate type telescopic device is characterized in that a pair of mutually meshed comb plates are adopted to form a supporting surface and a displacement seam, and the rear ends of the two comb plates are respectively fixed on bridge bodies on two sides of a bridge expansion joint and are in direct contact with the bridge bodies. The expansion joint of the existing comb plate cannot meet the requirement of multidirectional displacement of a bridge, the damping effect is poor, the problems of looseness of a connecting bolt, deformation of a movable comb plate and the like are easily caused, and the driving safety is influenced.
Therefore, it is necessary to develop a unit type shock-absorbing multi-directional displacement telescopic device aiming at the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unit formula shock attenuation multidirectional telescoping device that shifts has realized the multidirectional function that shifts of telescoping device, strengthens the shock attenuation effect, has reduced the not hard up condition of warping with movable fishback of connecting bolt.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a unit type damping multidirectional displacement expansion device, which comprises a fixed comb plate, a movable comb plate, a fixed bottom plate, a displacement shaft and an elastic connecting assembly, wherein the front-end comb teeth of the fixed comb plate and the front-end comb teeth of the movable comb plate are arranged in a staggered manner, the fixed bottom plate is poured in beam-end concrete, and the fixed bottom plate is horizontally arranged below the rear end of the movable comb plate; the lower surface of activity fishback with the upper surface of PMKD has all seted up corresponding semicylinder recess, two the semicylinder recess is followed activity fishback with PMKD's long limit direction leads to long setting and cooperation assembly the axle that shifts, activity fishback with leave the clearance between the PMKD, it is a plurality of elasticity coupling assembly symmetry is arranged shift the axle both sides and connect activity fishback with PMKD.
Furthermore, elastic connection subassembly includes stud, threaded connection the nut and the pressure spring at stud both ends, the pressure spring has been cup jointed at the stud middle part, the pressure spring is located movable fishback with in the cylinder type recess between the PMKD.
Furthermore, the elastic connecting assemblies are arranged at equal intervals along the length direction of the deflection shaft, and the movable comb plate is provided with countersunk holes at the mounting positions of the nuts.
Furthermore, the fixed base plate is an L-shaped long plate, the rear end of the movable comb plate is placed on a groove table of the fixed base plate, and the top surface of a boss at the rear end of the fixed base plate is flush with the upper surface of the movable comb plate.
Furthermore, a gap between the movable comb plate and the fixed bottom plate is filled with a rubber thin plate.
Further, the comb-shaped fixing device comprises anchoring plates and supporting vertical plates, wherein the anchoring plates and the supporting vertical plates are vertically fixed below the fixing base plate, the supporting vertical plates are arranged in the full length direction of the long side direction of the movable comb plate and fixed at the front ends of the anchoring plates, and the front ends of the supporting vertical plates are flush with the front end of the fixing base plate.
Further, still including being used for the anchor fixed fishback anchor assembly, anchor assembly includes anchor bolt and anchor sleeve, be provided with a plurality of annular grooves on the telescopic outer cylindrical surface of anchor, anchor sleeve pours in fixed fishback below concrete.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses unit formula shock attenuation multidirectional telescoping device that shifts, fixed fishback and activity fishback realize the telescoping device transversely and vertically shift, clearance fit's activity fishback and PMKD and shifting axle, realize the vertical and axial of telescoping device and shift, and then realize the multidirectional function that shifts of telescoping device, when the vehicle passes through the telescoping device, the telescoping device reduces the vibrations that cause because of the impact force through multidirectional shifting, consequently strengthened the shock attenuation effect, reduce the destructive action of impact force. The utility model discloses the multidirectional telescoping device that shifts of unit formula shock attenuation has realized the multidirectional function that shifts of telescoping device, strengthens the shock attenuation effect, has reduced the not hard up condition that warp with movable fishback of connecting bolt.
In addition, through setting up the pressure spring for the activity fishback resets fast after shifting. Through reasonable arrangement of the elastic connecting assembly, the movable comb plate and the fixed bottom plate are firmly connected. Through setting up the PMKD to the L type, the contact of effective separation activity fishback end and concrete avoids activity fishback to bump the concrete at the in-process that shifts. Through filling the rubber sheet, can prevent that debris from getting into the telescoping device, improve the life of telescoping device, the shift of flexible buffering activity fishback. Through setting up the support riser, can enough confirm the reservation position, can prevent again that the concrete from getting into in the expansion joint. For traditional J type bolt anchor mode, anchor bolt cooperation anchor telescopic mode, threaded connection coincidence height increases, and intensity increases, and the annular groove on the outer face of cylinder of anchor sleeve has increased the combining ability of anchor sleeve with the concrete simultaneously, increases anchoring strength.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of a sectional structure of a unit type damping multidirectional displacement telescopic device of the present invention;
FIG. 2 is a schematic view of the top view of the unit type damping multi-directional displacement telescopic device of the present invention;
FIG. 3 is a schematic view of a front view of the cross-sectional structure of the present invention assembled to a bridge;
fig. 4 is a schematic view of a part a of the enlarged structure in fig. 3.
Description of the reference numerals: 1. fixing the comb plate; 2. a movable comb plate; 3. fixing the bottom plate; 4. a displacement axis; 5. an elastic connection assembly; 501. a stud; 502. a nut; 503. a pressure spring; 6. an anchoring plate; 7. supporting a vertical plate; 8. an anchor assembly; 801. an anchor bolt; 802. an anchoring sleeve; 9. expansion joints; 10. a slide plate.
Detailed Description
The utility model aims at providing a unit formula shock attenuation multidirectional telescoping device that shifts has realized the multidirectional function that shifts of telescoping device, strengthens the shock attenuation effect, has reduced the not hard up condition of warping with movable fishback of connecting bolt.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to the attached drawings, fig. 1 is a schematic sectional view of a unit type damping multidirectional shifting telescopic device of the present invention; FIG. 2 is a schematic view of the top view structure of the unit type damping multi-directional displacement telescopic device of the present invention;
FIG. 3 is a schematic view of a front view of the cross-sectional structure of the present invention assembled to a bridge; FIG. 4 is an enlarged schematic view of the part A in FIG. 3
In a specific embodiment, as shown in fig. 1 ~ 4, the utility model discloses the multidirectional telescoping device that shifts of unit formula shock attenuation, including fixed fishback 1 and activity fishback 2, PMKD 3, the axle 4 that shifts, elastic connection subassembly 5 and slide 10, the front end broach of fixed fishback 1 and activity fishback 2 is crisscross arranges, and slide 10 adopts the stainless steel sheet metal and places in the below of fishback, and expansion joint 9 sets up in the place ahead lower part of activity fishback 2. The fixed bottom plate 3 is poured in the concrete at the beam end, and the fixed bottom plate 3 is horizontally arranged below the rear end of the movable comb plate 2. Corresponding semi-cylindrical grooves are formed in the lower surface of the movable comb plate 2 and the upper surface of the fixed base plate 3, the two semi-cylindrical grooves are arranged in the whole length direction of the long edge of the movable comb plate 2 and the long edge of the fixed base plate 3 and are matched with a shifting shaft 4, a gap is reserved between the movable comb plate 2 and the fixed base plate 3, and the elastic connecting assemblies 5 are symmetrically arranged on two sides of the shifting shaft 4 to connect the movable comb plate 2 and the fixed base plate 3.
Fixed fishback 1 and activity fishback 2 realize the horizontal and vertical shift of telescoping device, clearance fit's activity fishback 2 and PMKD 3 and shift 4, realize the vertical and axial of telescoping device shift, and then realize the multidirectional function that shifts of telescoping device, when the vehicle passes through during the telescoping device, the telescoping device reduces because of the vibrations that the impact force caused through multidirectional shifting, has consequently strengthened the shock attenuation effect, reduces the destructive action of impact force. The utility model discloses unit formula shock attenuation multidirectional shifting the telescoping device has realized the multidirectional function that shifts of telescoping device strengthens the shock attenuation effect, has reduced the not hard up condition of warping with movable fishback of connecting bolt.
The utility model discloses an in a specific embodiment, as shown in fig. 1, fig. 3 and fig. 4, elastic connection assembly 5 includes stud 501, threaded connection at the nut 502 and the pressure spring 503 at stud 501 both ends, and stud 501 middle part has cup jointed pressure spring 503, and pressure spring 503 is located the cylinder type recess between activity fishback 2 and the PMKD 3.
Specifically, as shown in fig. 1 to 4, the plurality of sets of elastic connecting assemblies 5 are arranged at equal intervals along the length direction of the displacement shaft 4, and the movable comb plate 2 is provided with a countersunk hole at the mounting position of the nut 502.
Through setting up pressure spring 503 for quick the reseing after movable fishback 2 shifts. Through reasonable arrangement of the elastic connecting assembly 5, the movable comb plate 2 and the fixed bottom plate 3 are firmly connected.
In a specific embodiment of the present invention, as shown in fig. 1 to 4, the fixed base plate 3 is an L-shaped long plate, the rear end of the movable comb plate 2 is placed on the slot platform of the fixed base plate 3, and the rear end boss top surface of the fixed base plate 3 is flush with the upper surface of the movable comb plate 2.
Through setting up PMKD 3 to the L type, the contact of effective separation activity fishback 2 rear ends and concrete avoids activity fishback 2 to collide the concrete at the in-process that shifts.
In one embodiment of the present invention, as shown in fig. 4, a rubber sheet is filled in the gap between the movable comb plate 2 and the fixed base plate 3.
Through filling the rubber sheet, can prevent that debris from getting into the telescoping device, improve the life of telescoping device, flexible buffering activity fishback 2 shifts.
The utility model discloses an in a specific embodiment, as shown in fig. 1, fig. 3 and fig. 4, still include anchor board 6 and support riser 7, a plurality of anchor boards 6 with support riser 7 all vertical fix in the below of PMKD 3, support riser 7 along the long limit direction of activity fishback 2 lead to long setting and fix the front end at anchor board 6, the front end of supporting riser 7 flushes with PMKD 3's front end.
Through setting up support riser 7, can enough confirm the reservation position, can prevent again that the concrete from getting into in the expansion joint 9.
In a specific embodiment of the utility model, as shown in fig. 1 and fig. 3, still including the anchor subassembly 8 that is used for the fixed fishback 1 of anchor, anchor subassembly 8 includes anchor bolt 801 and anchor sleeve 802, is provided with a plurality of annular grooves on the outer face of cylinder of anchor sleeve 802, and anchor sleeve 802 pours in fixed fishback 1 below concrete.
For traditional J type bolt anchor mode, anchor bolt 801 cooperates the mode of anchor sleeve 802, and threaded connection coincidence height increases, and intensity increases, and the annular groove on the outer cylindrical surface of anchor sleeve 802 has increased the combining ability of anchor sleeve 802 with the concrete simultaneously, increases anchoring strength.
The utility model discloses unit formula shock attenuation multidirectional telescoping device that shifts, fixed fishback 1 and activity fishback 2 realize the telescoping device transversely and vertically shift, clearance fit's activity fishback 2 and PMKD 3 and shift axle 4, realize the vertical and axial of telescoping device shift, and then realize the multidirectional function that shifts of telescoping device, when the vehicle process during the telescoping device, the telescoping device reduces the vibrations that cause because of the impact force through multidirectional shifting, has consequently strengthened the shock attenuation effect, reduces the destructive action of impact force. The utility model discloses unit formula shock attenuation multidirectional shifting the telescoping device has realized the multidirectional function that shifts of telescoping device strengthens the shock attenuation effect, has reduced the not hard up condition of warping with movable fishback of connecting bolt. In addition, the movable comb plate 2 is reset quickly after being displaced by the arrangement of the pressure spring 503. Through reasonable arrangement of the elastic connecting assembly 5, the movable comb plate 2 and the fixed bottom plate 3 are firmly connected. Through setting up PMKD 3 to the L type, the contact of effective separation activity fishback 2 rear ends and concrete avoids activity fishback 2 to bump the concrete at the in-process that shifts. Through filling the rubber sheet, can prevent that debris from getting into the telescoping device, improve the life of telescoping device, flexible buffering activity fishback 2 shifts. Through setting up support riser 7, can enough confirm the reservation position, can prevent again that the concrete from getting into in the expansion joint 9. For traditional J type bolt anchor mode, anchor bolt 801 cooperates the mode of anchor sleeve 802, and threaded connection coincidence height increases, and intensity increases, and the annular groove on the outer cylindrical surface of anchor sleeve 802 has increased the combining ability of anchor sleeve 802 with the concrete simultaneously, increases anchoring strength.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a multidirectional telescoping device that shifts of unit formula shock attenuation, includes fixed fishback (1) and activity fishback (2), its characterized in that: the movable comb plate structure is characterized by further comprising a fixed bottom plate (3), a shifting shaft (4) and an elastic connecting assembly (5), wherein the front-end comb teeth of the fixed comb plate (1) and the movable comb plate (2) are distributed in a staggered mode, the fixed bottom plate (3) is poured in concrete at the beam end, and the fixed bottom plate (3) is horizontally arranged below the rear end of the movable comb plate (2); the lower surface of activity fishback (2) with corresponding semi-cylindrical recess, two have all been seted up to the upper surface of PMKD (3) the semi-cylindrical recess is followed activity fishback (2) with the long limit direction full length of PMKD (3) sets up and cooperates the assembly shift axle (4), activity fishback (2) with leave the clearance between PMKD (3), it is a plurality of elastic coupling subassembly (5) symmetry is arranged shift axle (4) both sides are connected activity fishback (2) with PMKD (3).
2. The modular shock absorbing multidirectional displacement telescopic device according to claim 1, wherein: elasticity coupling assembling (5) include stud (501), threaded connection nut (502) and pressure spring (503) at stud (501) both ends, pressure spring (503) have been cup jointed at stud (501) middle part, pressure spring (503) are located movable fishback (2) with in the cylinder type recess between PMKD (3).
3. The modular shock absorbing multidirectional displacement telescopic device according to claim 2, wherein: the elastic connecting components (5) are arranged at equal intervals along the length direction of the displacement shaft (4), and the movable comb plate (2) is provided with countersunk holes at the installation positions of the nuts (502).
4. The modular shock absorbing multidirectional displacement telescopic device as in claim 1, wherein: the fixed baseplate (3) is an L-shaped long plate, the rear end of the movable comb plate (2) is placed on a groove table of the fixed baseplate (3), and the rear end boss top surface of the fixed baseplate (3) is flush with the upper surface of the movable comb plate (2).
5. The modular shock absorbing multidirectional displacement telescopic device according to claim 1, wherein: and a rubber thin plate is filled in the gap between the movable comb plate (2) and the fixed bottom plate (3).
6. The modular shock absorbing multidirectional displacement telescopic device according to claim 1, wherein: the fixing device is characterized by further comprising an anchoring plate (6) and a supporting vertical plate (7), wherein the anchoring plate (6) and the supporting vertical plate (7) are vertically fixed below the fixing bottom plate (3), the supporting vertical plate (7) is arranged and fixed at the front end of the anchoring plate (6) along the length direction of the long side of the movable comb plate (2), and the front end of the supporting vertical plate (7) is flush with the front end of the fixing bottom plate (3).
7. The modular shock absorbing multidirectional displacement telescopic device according to claim 1, wherein: still including being used for the anchor fixed fishback (1) anchor subassembly (8), anchor subassembly (8) are including anchor bolt (801) and anchor sleeve (802), be provided with a plurality of annular grooves on the outer face of cylinder of anchor sleeve (802), anchor sleeve (802) are pour in fixed fishback (1) below concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111642.8U CN218756974U (en) | 2022-11-16 | 2022-11-16 | Unit type damping multidirectional displacement telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111642.8U CN218756974U (en) | 2022-11-16 | 2022-11-16 | Unit type damping multidirectional displacement telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218756974U true CN218756974U (en) | 2023-03-28 |
Family
ID=85651692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223111642.8U Active CN218756974U (en) | 2022-11-16 | 2022-11-16 | Unit type damping multidirectional displacement telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218756974U (en) |
-
2022
- 2022-11-16 CN CN202223111642.8U patent/CN218756974U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214784796U (en) | Anti-seismic profile steel structure fabricated building | |
| CN218756974U (en) | Unit type damping multidirectional displacement telescopic device | |
| CN110847406A (en) | Replaceable novel corrugated viscous spring combined mild steel damper | |
| CN212452251U (en) | Anti-seismic bent cap | |
| CN113463755A (en) | Concrete frame column anti-seismic structure and construction method thereof | |
| CN215367772U (en) | Rigid connection node structure of steel beam and building column | |
| CN211547307U (en) | Novel become roof beam slab formula rubber support that falls is prevented in rigidity shock attenuation | |
| CN210684453U (en) | Bridge expansion joint auxiliary device of BIM technique | |
| CN215714607U (en) | Seam-crossing type damping multidirectional displacement bridge expansion device | |
| CN217231459U (en) | Telescopic device with rotation displacement function | |
| CN110878591A (en) | Girder and crossbeam connection structure of H shaped steel concrete | |
| CN220746570U (en) | Multidirectional deflection bridge telescoping device | |
| CN218373318U (en) | Multidirectional dustproof slide expansion joint that shifts | |
| CN218060697U (en) | Double-deck steel truss structure of assembly type structure | |
| CN220394323U (en) | Bridge node reinforcing apparatus | |
| CN218621782U (en) | Multidirectional bridge telescoping device that shifts | |
| CN220908771U (en) | Steel member with antidetonation structure | |
| CN215631917U (en) | Steel construction building antidetonation bearing structure | |
| CN114990994B (en) | Bridge assembled seismic isolation and reduction device capable of dissipating energy by stages through lock catch limiting | |
| CN219951670U (en) | Connecting structure for column foot steel plate and bearing platform of municipal viaduct concrete filled steel tubular column | |
| CN216586633U (en) | Pin-connected panel counter weight basis | |
| CN219100832U (en) | Building engineering girder steel reinforced structure | |
| CN220978343U (en) | Assembled frame structure of high-rise steel structure building | |
| CN218479031U (en) | Buffer device between bridge girders | |
| CN220223166U (en) | Elevator host installation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |