CN207973998U - Novel magnetic adsorption type diamond shape component bridge extension joint - Google Patents
Novel magnetic adsorption type diamond shape component bridge extension joint Download PDFInfo
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- CN207973998U CN207973998U CN201820043233.3U CN201820043233U CN207973998U CN 207973998 U CN207973998 U CN 207973998U CN 201820043233 U CN201820043233 U CN 201820043233U CN 207973998 U CN207973998 U CN 207973998U
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- diamond shape
- telescoping member
- bearing
- anchor
- magnetic adsorption
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Abstract
The utility model provides a kind of novel magnetic adsorption type diamond shape component bridge extension joint, belongs to civil engineering, technical field of bridge engineering.The novel magnetic adsorption type diamond shape component bridge extension joint includes High-strength anchor bolt, comb teeth shape steel plate, diamond shape telescoping member, snubber block, anchor bar, bearing displacement case, anchoring pin, connecting pin, polytetrafluoroethylene (PTFE) block, vertical connecting rod, sliding support, bearing cross beam, anchor plate, permanent magnet, pin steel bushing；Its its simple structure, easy for installation, functional, durability is high, economic, adapts to Free Transform of the bridge structure under vehicular load and temperature load effect.
Description
Technical field
The utility model belongs to civil engineering, technical field of bridge engineering, and in particular to one kind adapting to bridge normal
The novel magnetic adsorption type diamond shape component bridge extension joint of dilatation under behaviour in service.
Background technology
Currently, generally there are dock, steel supporting type, modulus supporting type, combined shear formula (plate for bridge expanssion joint
Formula), gapless.
Dock expansion gap device can be divided into filling docking style and embedding according to the difference of its structural form and loading characteristic
Gu two kinds of docking style.It is with the materials pay the seam such as pitch, plank, loose hemp fiber, rubber to clog docking style telescopic device.Build-in type pair
It is using the steel member of different shape that rubber strip of different shapes (band) is embedding securely fixed to connect expansion gap device, and with rubber strip (band)
Tension and compression deformation absorb the deformation of beam body, extrusome may be at pressured state, can also be in tension state.
Steel supports telescopic device, it is difficult to meet the requirement of big displacement quantity；The telescopic device of steel type, it is difficult to accomplish to seal
It is waterproof, and it is be easy to cause the impact to vehicle, influence the travelling of vehicle.Therefore, occur utilizing shock-absorbing cushion performance
The good rubber material for being easily able to sealing again, what the special section good with intensity high-performance combined, in big displacement quantity energy
Bear all types of modulus supporting type (modulus type) the bridge extension joints series of vehicular load.
Modulus bearing expansion gap device construction is relative complex, need to fix sliding steel using the device equipped with bolt spring
Plate, with reduce when vehicle crosses often due to beam-ends rotation or deflection deformation and generate slap and noise.
Combined shear formula expansion gap device is using the rubber strip of various different section shapes as filling out the flexible of embedding material
Device.Rubber high resilience is easy to paste, and can meet deformation requirements and have water-proof function.
Gapless telescopic device adapts to the dilatation of bridge superstructure and a small amount of rotational deformations, makes deck paving
Non-individual body is formed, when driving will not occur shock and vibration etc., gapless constructional waterproofing better performances, and construction is simple is generally easy to
Repair and replacement；Its disadvantage is mainly that service life is shorter, is only applicable to smaller seam areas, and situation lower berth is used for a long time
Extruding between dress layer and bituminous concrete can influence the flatness on road surface.
In order to ensure under the influence of the factors such as temperature change, creep and shrinkage of concrete and load action, bridge structure
Be free to deform, and ensure that vehicle smoothly passes, should between two adjacent beam-ends, be arranged between beam-ends and abutment parados and stretch
Contracting seam.Rational telescopic device must satisfy bridge and freely stretch requirement, solid and reliable, not influence road surface running vehicle, detailing requiments
Simply, it constructs, is easy for installation, being easy to maintenance, repair and replace, require its durability height, low cost from economic considerations, therefore
Telescopic device should take into account other features while meeting basic Telescopic.
Invention content
The purpose of this utility model is that overcoming the deficiencies of the prior art and provide a kind of novel magnetic adsorption type diamond shape component
Bridge extension joint, simple structure, easy for installation, functional, durability is high, economic, adapts to bridge structure and exists
Free Transform under vehicular load and temperature load effect.
To realize that above-mentioned target, the utility model provide following technical solution：
A kind of novel magnetic adsorption type diamond shape component bridge extension joint, including High-strength anchor bolt, comb teeth shape steel plate, diamond shape
Telescoping member, snubber block, anchor bar, bearing displacement case, anchoring pin, connecting pin, polytetrafluoroethylene (PTFE) block, vertical connection
Bar, sliding support, bearing cross beam, pre-buried anchor plate, permanent magnet, pin steel bushing.
Wherein, comb teeth shape steel plate is anchored together by High-strength anchor bolt and beam body, the bridge floor of comb teeth shape steel plate both sides
Upper berth is equipped with plain asphalt, and diamond shape telescoping member is provided with below comb teeth shape steel plate.Diamond shape telescoping member is by iron member
It is hingedly formed with connecting pin, to provide enough vertical bearing capacities and ensureing the stability of the diamond shape telescoping member, by the water chestnut
Shape telescoping member is divide into upper part and lower part, and vertical connecting rod is used in combination to connect.Further, the both ends difference of top diamond shape telescoping member
It is provided with anchor plate, diamond shape telescoping member is linked together by permanent magnet, anchor plate and beam body.
Under vehicular load or temperature load effect, comb teeth shape steel plate and diamond shape telescoping member all can freely be sent out with beam body
Raw dilatation.Further, it is provided with several snubber blocks between comb teeth shape steel plate and diamond shape telescoping member, can be used for reducing
The vehicle of comb teeth shape steel plate causes vibration.
Meanwhile support displacement case and be located at the lower section of diamond shape telescoping member, and connect with beam body by anchoring pin it is integral,
Enough activity spaces are provided for the telescopic device；Bearing cross beam is provided in bearing displacement case, bearing cross beam is by sliding branch
Seat is placed on the inner bottom surface of bearing displacement case；The top of bearing cross beam is diamond shape telescoping member, and vertical connecting rod and bearing are horizontal
Several polytetrafluoroethylene (PTFE) blocks are provided between beam.
Bearing cross beam is for providing enough vertical bearing capacities for diamond shape telescoping member；And the upper surface processing of bearing cross beam
At steel sliding surface, when ensureing that dilatation occurs for beam body under normal use situation, diamond shape telescoping member can be in bearing cross beam
Upper art skating.
Beam body is embedded to anchor bar and anchor plate when pouring in advance；Anchor bar is for reinforcing anchor plate and beam body
Between contact；The material of anchor plate is steel, is used to place permanent magnet, and provide strip for permanent magnet and slide rail
Road；Permanent magnet is connected together diamond shape telescoping member with anchor plate by pin steel bushing.Specifically, top diamond shape telescoping member
Both ends connecting pin on be cased with pin steel bushing respectively, the outboard end of pin steel bushing is provided with permanent magnet, and permanent magnet can be
It is slided on the sliding rail of anchor plate.
The High-strength anchor bolt is to anchor comb teeth shape steel plate and beam body together, and the primary load born is that vehicle is dynamic
Load requires anchor bolt to have higher intensity in the telescopic device, while having higher plasticity.
The comb teeth shape steel plate plays the role of directly bearing wheel, and stretches out floorings from left and right, mutual in gap location
Engagement, can bear larger horizontal displacement.
Iron member is hinged to diamond structure by the diamond shape telescoping member with connecting pin, unstable using quadrangle
Principle, in beam body dilatation, diamond shape telescoping member can occur to deform accordingly therewith, in order to provide enough vertical carryings
Diamond shape telescoping member, can be divide into upper part and lower part, vertical connecting rod is used in combination by power and the stability for ensureing diamond shape telescoping member
Connection.
The snubber block is mounted between comb teeth shape steel plate and diamond shape telescoping member, and is fixed on the section of diamond shape telescoping member
On point, the vibration of comb teeth shape steel plate under Vehicle Load can be reduced, so as to significantly reduce the thickness of used comb shape steel plate
Degree.
The anchor bar be the side bar of diamond shape telescoping member is connect with beam body it is integral, using spiral.
The bearing displacement case connect with beam body under the action of anchoring pin it is integral, for place bearing cross beam be stretch
Compression apparatus provides enough activity spaces.
The polytetrafluoroethylene (PTFE) block is placed between vertical connecting rod and bearing cross beam, is mutually glued with the bottom of vertical connecting rod
Knot, can be free to slide on the steel sliding surface of bearing cross beam with vertical connecting rod.
The vertical connecting rod is that two parts up and down of diamond shape telescopic device are linked to be entirety, not only ensure that diamond shape is flexible
The monolithic stability of component holding structure during with beam body dilatation, and the load that can bear superstructure is downward
Pass to bearing cross beam.
The bearing cross beam should bear the vertical load transmitted by vertical connecting rod, while also ensure upper table
Face is steel sliding surface so that diamond shape telescoping member can be slided freely on its surface.
The permanent magnet can be connected together diamond shape telescoping member with anchor plate by pin steel bushing, and permanent magnet can be in anchor
Gu being slided on steel plate.
The advantageous effect of novel magnetic adsorption type diamond shape component bridge extension joint provided by the utility model is：
1) simple structure is convenient for construction and installation, need not additionally increase difficulty of construction；
2) it is constructed using permanent magnet in the telescopic device, facilitates construction and installation early period and the repair in later stage is replaced；
3) it is mounted with snubber block between comb teeth shape steel plate and diamond shape telescoping member, reduces comb teeth shape under Vehicle Load
The vibration of steel plate saves steel to substantially reduce the thickness of used comb shape steel plate；
4) the dilatation amount range of the telescopic device is larger, is applicable in different stroke requirements, can be by increasing cast iron
The quantity of plate increases the length of diamond shape telescoping member, to adapt to the requirement of larger stroke, while can also be supported by increasing
The quantity of crossbeam adapts to the wide requirement of different bridges；
5) telescopic device is under the action of vehicular load and temperature load, using the unstable principle of quadrangle, in beam
When body dilatation, diamond shape component can occur to deform accordingly therewith, greatly improve the working efficiency of device；
6) the telescopic device force way is clear, and force path is clear, and additional additional internal force is not generated to structure, thus
The damage of structure is minimum, and structure is durable.
In short, the telescopic device is suitable for different types of rridges, simple structure is easy for construction, does not increase to bridge structure additional
Active force, it is functional, it is durable.
Description of the drawings
Fig. 1 is novel magnetic adsorption type diamond shape component bridge extension joint elevation；
Fig. 2 is the floor plan of diamond shape telescoping member；
Fig. 3 is the deformed floor plan of diamond shape telescoping member.
Reference sign
1 it is High-strength anchor bolt, 2 be comb teeth shape steel plate, 3 be diamond shape telescoping member, 4 be snubber block, 5 be bridge floor, 6 is anchor
Gu reinforcing bar, 7 be beam body, 8 be bearing displacement case, 9 be anchoring pin, 10 be connecting pin, 11 be polytetrafluoroethylene (PTFE) block, 12 be perpendicular
To connecting rod, 13 be sliding support, 14 be bearing cross beam, 15 be anchor plate, 16 be permanent magnet, 17 be pin steel bushing.
Specific implementation mode
Below in conjunction with specific embodiment and its attached drawing to novel magnetic adsorption type diamond shape component bridge provided by the utility model
The technical solution of beam telescopic device is described further.In conjunction with following explanation, the advantages of the utility model and feature will be more clear
Chu.
It should be noted that the embodiments of the present invention have preferable implementation, it is not any to the utility model
The restriction of form.The combination of technical characteristic or technical characteristic described in the utility model embodiment is not construed as orphan
Vertical, they can be combined with each other to reach superior technique effect.The range of the preferred embodiments of the present invention
May include other realization, and this should be understood by the utility model embodiment person of ordinary skill in the field.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustrative, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
The attached drawing of the utility model is all made of very simplified form and uses non-accurate ratio, only to it is convenient,
The purpose of the utility model embodiment is lucidly aided in illustrating, is not to limit the enforceable qualifications of the utility model.Appoint
What modification of structure, the change of proportionate relationship or adjustment of size, is not influencing the effect and institute that the utility model can be generated
Under the purpose that can reach, it should all fall in the range of the revealed technology contents of the utility model can be covered.And this practicality is new
Identical label appeared in each attached drawing of type represents identical feature or component, can be applied in different embodiments.
Embodiment
As shown in Figure 1, a kind of novel magnetic adsorption type diamond shape component bridge extension joint, including High-strength anchor bolt 1, broach
Shape steel plate 2, diamond shape telescoping member 3, snubber block 4, anchor bar 6, bearing displacement case 8, anchoring pin 9, connecting pin 10, poly- four
Vinyl fluoride block 11, vertical connecting rod 12, sliding support 13, bearing cross beam 14, pre-buried anchor plate 15, permanent magnet 16, pin steel
Set 17.
Wherein, comb teeth shape steel plate 2 is anchored together by High-strength anchor bolt 1 and beam body 7, the lower section of comb teeth shape steel plate 2
It is provided with diamond shape telescoping member 3.Diamond shape telescoping member 3 is hingedly to form iron member with connecting pin 10, to provide enough
Vertical bearing capacity and ensure the stability of the diamond shape telescoping member 3, be upper and lower two parts by the diamond shape telescoping member points 3, and
It is connected with vertical connecting rod 12.Further, the both ends of top diamond shape telescoping member are respectively arranged with anchor plate 15, and diamond shape is flexible
Component 3 is linked together by anchor plate 15, permanent magnet 16 and beam body 7.
Under vehicular load or temperature load effect, comb teeth shape steel plate 2 and diamond shape telescoping member 3 all can be with beam bodies 7 freely
Dilatation occurs for ground.Further, several snubber blocks 4 are provided between comb teeth shape steel plate 2 and diamond shape telescoping member 3, it can be with
Vehicle for reducing comb teeth shape steel plate 2 causes vibration.
Meanwhile the lower section that displacement case 8 is located at top diamond shape telescoping member is supported, and connect with beam body 7 by anchoring pin 9
It is integral, enough activity spaces are provided for the telescopic device；It is provided with bearing cross beam 14, bearing cross beam in bearing displacement case 8
14 are placed on by sliding support 13 on the inner bottom surface of bearing displacement case 8；The top of bearing cross beam 14 is diamond shape telescoping member 3,
Several polytetrafluoroethylene (PTFE) blocks 11 are vertically provided between connecting rod 12 and bearing cross beam 14.
Bearing cross beam 14 is used to provide enough vertical bearing capacities for diamond shape telescoping member 3；And the upper table of bearing cross beam 14
Steel sliding surface is processed into face, and when ensureing that under normal use situation, dilatation occurs for beam body 7, diamond shape telescoping member 3 can be
Art skating on bearing cross beam 14.
Beam body 7 is embedded to anchor bar 6 and anchor plate 15 when pouring in advance；Anchor bar 6 is for reinforcing anchor plate
Contacting between 15 and beam body 7；The material of anchor plate 15 is steel, is used to place permanent magnet 16, and carry for permanent magnet 16
For strip sliding rail；Permanent magnet 16 is connected together diamond shape telescoping member 3 and anchor plate 15 by pin steel bushing 17.Tool
Body, pin steel bushing 17, the outside of pin steel bushing 17 are cased on the connecting pin 10 at the both ends of top diamond shape telescoping member respectively
End is provided with permanent magnet 16, and permanent magnet 16 can slide on the sliding rail of anchor plate 15.
As shown in Figure 2 and Figure 3, the operation principle of the novel magnetic adsorption type diamond shape component bridge extension joint is：It is warm at bridge site
When degree increases, the gap of beam body 7 is by d1It is reduced to d2, unstable due to quadrangle, diamond shape telescoping member 3 can occur with beam body 7
Corresponding deformation, the polytetrafluoroethylene (PTFE) block 11 bonded with vertical connecting rod 12 can the free skating on the steel sliding surface of bearing cross beam 14
Dynamic, the permanent magnet 16 being connected with pin steel bushing 17 can do sliding laterally outward, comb on the surface of pre-buried anchor plate 15
The gap of tooth form steel plate 2 reduces；When bridge site temperature reduces, the gap of beam body 7 becomes larger, under the suction-operated of permanent magnet 16,
Diamond shape telescoping member 3 sets back, while permanent magnet 16 can do sliding laterally inwardly on pre-buried anchor plate 15, combs
The gap of tooth form steel plate 2 reduces.Under Vehicle Load, the principle under the synthermal load action of operation principle of the telescopic device
It is identical.
Foregoing description is only the description to the utility model preferred embodiment, is not to any of the scope of the utility model
It limits.Any change or modify equal that any those skilled in the art makes according to the technology contents of the disclosure above
Equivalent effective embodiment is should be considered as, the range of technical solutions of the utility model protection is belonged to.
Claims (5)
1. a kind of novel magnetic adsorption type diamond shape component bridge extension joint, it is characterised in that：Including High-strength anchor bolt (1), comb
Tooth form steel plate (2), diamond shape telescoping member (3), anchor bar (6), bearing displacement case (8), anchoring pin (9), connecting pin
(10), vertical connecting rod (12), sliding support (13), bearing cross beam (14), pre-buried anchor plate (15), permanent magnet (16)；
The comb teeth shape steel plate (2) is anchored by High-strength anchor bolt (1) and beam body (7) together, under comb teeth shape steel plate (2)
Side is provided with diamond shape telescoping member (3)；Diamond shape telescoping member (3) is hingedly formed by connecting pin (10) by iron member,
And the diamond shape telescoping member (3) is divide into upper part and lower part, and vertical connecting rod (12) is used in combination to connect；
Beam body (7) is embedded to anchor bar (6) and anchor plate (15) when pouring in advance；Anchor bar (6) is anchored for reinforcing
Contact between steel plate (15) and beam body (7)；The both ends of top diamond shape telescoping member pass through permanent magnet (16) and anchor plate
(15) it is connected, and then realizes the cooperative transformation of diamond shape telescoping member (3) and beam body (7)；Make in vehicular load or temperature load
Under, all with beam body (7) dilatation freely occurs for comb teeth shape steel plate (2) and diamond shape telescoping member (3)；
The material of the anchor plate (15) is steel, is used to place permanent magnet (16), and provide strip for permanent magnet (16)
Shape sliding rail；Permanent magnet (16) connects together diamond shape telescoping member (3) and anchor plate (15)；
The bearing displacement case (8) is located at the lower section of diamond shape telescoping member, and is connected into beam body (7) by anchoring pin (9)
It is whole；It is provided with bearing cross beam (14) in bearing displacement case (8), bearing cross beam (14) is placed on bearing by sliding support (13)
On the inner bottom surface of displacement case (8)；The top of bearing cross beam (14) is diamond shape telescoping member (3).
2. novel magnetic adsorption type diamond shape component bridge extension joint according to claim 1, it is characterised in that：Top diamond shape
Pin steel bushing (17) is cased on the connecting pin (10) at telescoping member both ends respectively, the outboard end of pin steel bushing (17) is provided with forever
Magnet (16).
3. novel magnetic adsorption type diamond shape component bridge extension joint according to claim 1, it is characterised in that：The broach
Several snubber blocks (4) are provided between shape steel plate (2) and diamond shape telescoping member (3).
4. novel magnetic adsorption type diamond shape component bridge extension joint according to claim 1, it is characterised in that：It is described vertical
Several polytetrafluoroethylene (PTFE) blocks (11) are provided between connecting rod (12) and bearing cross beam (14).
5. novel magnetic adsorption type diamond shape component bridge extension joint according to claim 1, it is characterised in that：The bearing
The upper surface of crossbeam (14) is steel sliding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043233.3U CN207973998U (en) | 2018-01-11 | 2018-01-11 | Novel magnetic adsorption type diamond shape component bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043233.3U CN207973998U (en) | 2018-01-11 | 2018-01-11 | Novel magnetic adsorption type diamond shape component bridge extension joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207973998U true CN207973998U (en) | 2018-10-16 |
Family
ID=63769334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820043233.3U Expired - Fee Related CN207973998U (en) | 2018-01-11 | 2018-01-11 | Novel magnetic adsorption type diamond shape component bridge extension joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207973998U (en) |
-
2018
- 2018-01-11 CN CN201820043233.3U patent/CN207973998U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20210111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |