阅读说明：本技术 桥梁防船撞限高架 (The anti-ship of bridge hits height-limiting frame ) 是由 耿波 郑植 李嵩林 于 2019-09-05 设计创作，主要内容包括：本发明公开了一种桥梁防船撞限高架,设置在桥架的面向船只驶来方向的一侧,包括：门式框架,与桥架相间隔的设置在桥架外侧,所述门式框架包括横梁及连接在横梁两端的立柱,两所述立柱的底端分别铰接于一桥梁承台上；弹性缓冲件,设置在门式框架与桥架之间；固定桩,设置在桥梁承台之外；及受拉阻尼杆,设置在门式框架的背向桥架的一侧,且对应每根所述立柱各设置一个,所述受拉阻尼杆能受拉伸长,受拉阻尼杆的一端铰接在立柱的上端,受拉阻尼杆的另一端铰接在所述固定桩上。上述的桥梁防船撞限高架,能有效的保护桥架安全,且便于在航道上安装和维护。(The invention discloses a kind of anti-ships of bridge to hit height-limiting frame, gantry is arranged in sails the side for coming direction towards ship, it include: portal frame, with the setting of gantry separately on the outside of gantry, the portal frame includes crossbeam and the column for being connected to crossbeam both ends, and the bottom end of two columns is hingedly connected on a bridge bearing platform；Resilient snubber is arranged between portal frame and gantry；Spud pile is arranged except bridge bearing platform；And tension damper rod, the side backwards to gantry of portal frame is set, and the corresponding every column is arranged one, the tension damper rod energy tension elongation, one end of tension damper rod is hinged on the upper end of column, and the other end of tension damper rod is hinged on the spud pile.The anti-ship of above-mentioned bridge hits height-limiting frame, gantry safety can be effectively protected, and convenient for installing and safeguarding on navigation channel.)

1. a kind of anti-ship of bridge hits height-limiting frame, gantry is arranged in sails the side for coming direction towards ship, which is characterized in that packet It includes:

Portal frame, with the setting of gantry separately on the outside of gantry, the portal frame includes crossbeam and is connected to crossbeam two The bottom end of the column at end, two columns is hingedly connected on a bridge bearing platform；

Resilient snubber is arranged between portal frame and gantry；

Spud pile is arranged except bridge bearing platform；And

The side backwards to gantry of portal frame is arranged in tension damper rod, and the corresponding every column is arranged one, institute The elongation of tension damper rod energy tension is stated, one end of tension damper rod is hinged on the upper end of column, the other end hinge of tension damper rod It connects on the spud pile.

2. the anti-ship of bridge according to claim 1 hits height-limiting frame, which is characterized in that

The tension damper rod includes: the first pipe fitting, the second pipe fitting and damping rod piece；One end of first pipe fitting can axially be slided Dynamic is plugged in the lumen of second pipe fitting one end, on the other end of first pipe fitting and the column of the portal frame End is hinged, and the upper end of the other end and the spud pile of second pipe fitting is hinged；The damping rod piece be elongation be greater than 15% alloying metal bar, damping rod piece is set in the lumen of first pipe fitting and the second pipe fitting, and damps the two of rod piece End is fixedly connected with the hinged end of first pipe fitting and the second pipe fitting respectively.

3. the anti-ship of bridge according to claim 1 hits height-limiting frame, which is characterized in that

The portal frame further include: supporting beam, two corners that the supporting beam corresponds to portal frame are respectively arranged one, each The both ends of the supporting beam respectively with except corresponding corner crossbeam and column be fixedly connected, formed triangular frame structure.

4. the anti-ship of bridge according to claim 3 hits height-limiting frame, which is characterized in that

The crossbeam, column and supporting beam are hollow steel box-girder.

5. the anti-ship of bridge according to claim 4 hits height-limiting frame, which is characterized in that

The inner wall of the steel box-girder is provided with stiffener plate, and the stiffener plate extends along the length direction of steel box-girder, and in steel It is provided in the circumferential direction of box beam multiple.

6. the anti-ship of bridge according to claim 5 hits height-limiting frame, which is characterized in that

In the steel box-girder in addition to triangular frame structure of the portal frame, it is filled with concrete.

7. the anti-ship of bridge according to claim 3 hits height-limiting frame, which is characterized in that

The resilient snubber is arranged in the one side towards gantry of triangular frame structure.

8. the anti-ship of bridge according to claim 7 hits height-limiting frame, which is characterized in that

The resilient snubber is arranged at intervals with multiple on triangular frame structure.

9. the anti-ship of bridge according to claim 8 hits height-limiting frame, which is characterized in that

One end of the resilient snubber is fixedly connected with triangular frame structure, the other end to gantry extend and not with gantry Connection.

10. according to claim 1, the anti-ship of bridge described in 7,8 or 9 hits height-limiting frame, which is characterized in that

The resilient snubber is ring spring.

Technical field

The present invention relates to bridge limit for height facility technology fields, and in particular to a kind of anti-ship of bridge hits height-limiting frame.

Background technique

With the continuous development of bridge technology and transportation, bridge, ship have all been erected in the top in many navigation channels When only passing through bridge opening, due to uncertain factors such as tide, stormy waves, it inevitably will appear the feelings that bridge opening is higher by the top of ship Condition, and then ship is caused to collide with gantry.

However, various countries focus mostly in pier anticollision and fender technical aspect, to gantry to the anticollision protection of bridge now Anti-bumping protection is rare to be related to, some bridges protect gantry, but the limit for height for also substantially having used for reference land vehicle is arranged It applies, the height limiter such as vehicle height-limiting frame one kind is provided with below gantry, it is not satisfactory to the protective effect of gantry.Study carefully it Reason, the tonnage for being primarily due to transport vessels is generally large, can play preferable limit for height anti-collision effect to the lesser vehicle of tonnage Same device, preferable effect can not be also functioned to ship；Meanwhile because offshore environment is increasingly complex compared with land, directly move The adaptability for planting land height limiter is poor, and installation and maintenance are also all inconvenient, can not be truly realized effective to ship progress Limit for height anticollision.

It is a kind of convenient for installing and safeguarding on navigation channel therefore, it is necessary to design, and the limit for height of energy effective protection gantry safety is anti- Collision device.

Summary of the invention

In view of the above-mentioned problems, the present invention proposes a kind of anti-collision height limit device suitable for gantry protection, to be effectively protected Gantry safety, and convenient for installing and safeguarding on navigation channel.

To reach above-mentioned technical effect, the technical solution adopted by the present invention is that:

A kind of anti-ship of bridge hits height-limiting frame, and gantry is arranged in sails the side for coming direction towards ship, comprising:

Portal frame, with the setting of gantry separately on the outside of gantry, the portal frame includes crossbeam and is connected to cross The bottom end of the column at beam both ends, two columns is hingedly connected on a bridge bearing platform；

Resilient snubber is arranged between portal frame and gantry；

Spud pile is arranged except bridge bearing platform；And

The side backwards to gantry of portal frame is arranged in tension damper rod, and the corresponding every column is arranged one A, tension damper rod energy tension elongation, one end of tension damper rod is hinged on the upper end of column, tension damper rod it is another End is hinged on the spud pile.

Further, the tension damper rod includes: the first pipe fitting, the second pipe fitting and damping rod piece；First pipe fitting One end can be plugged in axial sliding in the lumen of second pipe fitting one end, the other end of first pipe fitting and the door The upper end of the column of formula frame is hinged, and the upper end of the other end and the spud pile of second pipe fitting is hinged；The damping rod piece For the alloying metal bar that elongation is greater than 13%, damping rod piece is set in the lumen of first pipe fitting and the second pipe fitting, And the both ends for damping rod piece are fixedly connected with the hinged end of first pipe fitting and the second pipe fitting respectively.

Further, the portal frame further include: supporting beam, two corners that the supporting beam corresponds to portal frame are each Setting one, the both ends of each supporting beam respectively with except corresponding corner crossbeam and column be fixedly connected, formation triangle Shape frame structure.

Further, the crossbeam, column and supporting beam are hollow steel box-girder.

Further, the inner wall of the steel box-girder is provided with stiffener plate, and the stiffener plate is along the length side of steel box-girder To extension, and it is provided in the circumferential direction of steel box-girder multiple.

Further, in the steel box-girder in addition to triangular frame structure of the portal frame, it is filled with concrete.

Further, the resilient snubber is arranged in the one side towards gantry of triangular frame structure.

Further, the resilient snubber is arranged at intervals with multiple on triangular frame structure.

Further, one end of the resilient snubber is fixedly connected with triangular frame structure, and the other end prolongs to gantry It stretches and is not connect with gantry.

Further, the resilient snubber is ring spring.

The beneficial effects of the present invention are as follows:

1, the anti-ship of above-mentioned bridge hits height-limiting frame, carries out limit for height survey to the ship for driving into gantry bridge opening by portal frame Amount, the rear side of portal frame are contacted by resilient snubber with the side of gantry, and the front side of portal frame passes through tension damper rod Connection support, forms stable triangular support structure；It fully considers the environment in navigation channel waters, utilizes existing bridge bearing platform And a small amount of pre-buried support column, the environmental basis stablized and convenient for operating is provided for the installation that the anti-ship of bridge hits height-limiting frame, Height-limiting frame is hit convenient for the anti-ship of bridge to install and safeguard on navigation channel；

2, when ship height exceeds the crossbeam of portal frame, the crossbeam of portal frame, a side are hit in ship top first Face, gate-type frame stressing is rotated to front axle bracket under effect of impact, makes tension damper rod under tension, tension damper rod is because of its Gao Yan Malleability and extend, and provide the damping of biggish tension in elongation, absorb the energy for hitting and generating；On the other hand, it is sent out because hitting The portal frame of raw displacement is buffered by the large deformation of resilient snubber and is inhaled by resilient snubber and gantry soft contact Energy；Two-stage protection, Double-energy-absorption, greatly improve the Anti-bumping protection ability of height-limiting frame, and gantry safety is effectively protected.

Detailed description of the invention

Fig. 1 is the schematic perspective view that the anti-ship of bridge of the embodiment of the present invention hits height-limiting frame；

Fig. 2 is the backsight structural representation that the anti-ship of bridge of the embodiment of the present invention hits height-limiting frame；

Fig. 3 is the schematic cross-sectional view of A-A section in Fig. 2；

Fig. 4 is the schematic cross-sectional view of B-B section in Fig. 2；

Fig. 5 is the schematic cross-sectional view of C-C and D-D section in Fig. 2；

Fig. 6 is the schematic cross-sectional view of E-E section in Fig. 2；

Appended drawing reference: the anti-ship of 1- bridge hits height-limiting frame, 11- portal frame, 111- crossbeam, 112- column, 113- support Beam, 114- triangular frame structure, 115- upper ear plate, 11a- steel box-girder, 11b- stiffener plate, 11c- concrete, 12- elasticity Bolster, 13- tension damper rod, the first pipe fitting of 131-, the second pipe fitting of 132-, 133- damping rod piece, the first otic placode of 134-, The second otic placode of 135-, 136- limited block, 14- spud pile, 141- bar hinged-support, 2- gantry, 3- bridge bearing platform, 31- doorframe are hinged Seat.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention It encloses.

As shown in Figure 1, the anti-ship of bridge provided in this embodiment hits height-limiting frame 1, sailing towards ship for gantry 2 is set and comes side To side, with to sail come ship carry out height detection, the watercraft safety of superelevation does not pass through, and what superelevation ship was hit first is The anti-ship of bridge hits height-limiting frame 1, to carry out Anti-bumping protection to gantry.

As shown in Figure 1, it includes: portal frame 11, resilient snubber 12, tension damper rod 13 that the anti-ship of bridge, which hits height-limiting frame 1, With spud pile 14.

Portal frame 11 and the setting of gantry 2 separately are in 2 outside of gantry, as limit for height measuring device, while as ship Peripheral contacts position far from gantry 2 when only hitting carries out Anti-bumping protection to gantry 2.Referring to Fig. 1 and Fig. 2, portal frame 11 is main It to include crossbeam 111 and the column 112 for being connected to 111 both ends of crossbeam, the bottom end of two columns 112 is hingedly connected to a bridge bearing platform On 3, specifically doorframe hinged-support 31 can be set on the bridge bearing platform 3 in 2 outside of gantry, otic placode is set in the bottom end of column 112, And then otic placode is connected to 31 shape of doorframe hinged-support by pin shaft and is in the hinge connection.

Referring to Fig. 1 and Fig. 2, it is the intensity for reinforcing portal frame 11, is also provided with branch in the present embodiment for portal frame 11 Support beam 113.Specifically, two corners of the corresponding portal frame 11 of supporting beam 113 are respectively arranged one, the two of each supporting beam 113 End respectively with except corresponding corner crossbeam 111 and column 112 be fixedly connected, formation triangular frame structure 114.

As shown in Figure 4 and Figure 5, in actual processing and fabricating, crossbeam 111, column 112 and supporting beam 113 are preferably set as Hollow steel box-girder 11a forms structural member to facilitate the steel plate by Q235 etc material to carry out assembled welding, and intensity is enough, And quality will not be too high, is readily transported and constructs.In the present embodiment, the inner wall of steel box-girder 11a is provided with stiffener plate 11b, Stiffener plate 11b extends along the length direction of steel box-girder 11a, and be provided in the circumferential direction of steel box-girder 11a it is multiple, to increase The intensity of steel box-girder 11a.

Certainly, it is contemplated that 11 structural strength of portal frame gone out except triangular frame structure 114 may be inadequate, especially Crossbeam 111 between two sides triangular frame structure 114 is most important impact site, as shown in Fig. 3 and Fig. 6, the present embodiment It also is filled with concrete 11c in the steel box-girder 11a in addition to triangular frame structure 114 of portal frame 11, it specifically can be Steel box-girder 11a inner wall pours the concrete of label C30 for one week.

As depicted in figs. 1 and 2, resilient snubber 12 is arranged between portal frame 11 and gantry 2, in portal frame 11 Buffering energy-absorbing is carried out when being hit mobile to gantry 2.Specifically, resilient snubber 12 is arranged in triangular frame structure 114 The one side towards gantry 2 on, and resilient snubber 12 be arranged at intervals on triangular frame structure 114 it is multiple, with uniform Stress, and buffering energy-absorbing ability is stronger.In the present embodiment, resilient snubber 12 preferentially selects ring spring, by ring spring One end is fixedly connected with triangular frame structure 114, and the other end extends to gantry 2 and do not connect with gantry 2；In this way, by annular Spring (resilient snubber 12) is divided into two stages with the contact of gantry 2, i.e., portal frame 11 is mobile to gantry 2 before this, annular The end of spring is close to gantry 2, until contacting with gantry side, ring spring, which be pressurized, later inhales flexible process, Buffering energy-absorbing makes portal frame 11 absorb energy to greatest extent in shorter displacement process.

The side backwards to gantry 2 of portal frame 11 is arranged in tension damper rod 13, to be hit in portal frame 11 When deformed in tension energy-absorbing, improve portal frame 11 impact resistant capability.Referring to Fig. 1, the corresponding each column 112 of tension damper rod 13 Each setting one, the 13 energy tension elongation of tension damper rod, one end of tension damper rod 13 is hinged on the upper end of column 112, tension The other end of damper rod 13 is hinged on spud pile 14, and spud pile 14 is to pour to stand in the external water area of bridge bearing platform 3 in advance Concrete-pile, certainly, if bridge bearing platform 3 stretch out 2 side of gantry length it is enough, the lower end of tension damper rod 13 is direct Be hingedly fixed in the bridge bearing platform 3 in the outside of portal frame 11 also can, and it is easier for installation.

Tension damper rod 13 in the present embodiment includes: the first pipe fitting 131, the second pipe fitting 132 and damping rod piece 133；The One end of one pipe fitting 131 can be plugged in axial sliding in the lumen of 132 one end of the second pipe fitting, the other end of the first pipe fitting 131 It is hinged with 112 upper end of column of portal frame 11, the other end of the first pipe fitting 131 can specifically be blocked and the first otic placode is set 134, upper ear plate 115 is set on the outside of 112 upper end of column, the first otic placode 134 is connect with upper ear plate 115 by pin shaft； The upper end of the other end and spud pile 14 of second pipe fitting 132 is hinged, by the plug at end part of the second pipe fitting 132 and can equally set The second otic placode 135 is set, bar hinged-support 141 is set in the upper end of spud pile 14, the second otic placode 135 is passed through with bar hinged-support 141 Pin shaft connection.Limited block 136 is arranged in the present embodiment in the lumen of the second pipe fitting 132, and limited block 136 is close to the first pipe fitting The end of 131 the second pipe fitting of insertion 132 is arranged, to support the insertion end of the first pipe fitting 131, to the first pipe fitting 131 and second The displacement capacity of the opposite retraction of pipe fitting 132 is limited, and has tension Damper Braces bar when using as simple supporting element There are enough support strengths, and internal damping rod piece 3 will not be caused to squeeze, guarantees that damping rod piece 3 is in preferable states, with Just tension damping is more fully embodied in tension.

Damping rod piece 133 is elongation for the alloying metal bar greater than 13%, and damping rod piece 133 is set to the first pipe fitting 131 and second pipe fitting 132 lumen in, and damp the both ends of rod piece 133 respectively with the first pipe fitting 131 and the second pipe fitting 132 Hinged end is fixedly connected, thus in the elongation of 13 tension of tension damper rod, by the high ductibility of this kind of alloying metal, for damping Rod piece 3 provides biggish deformability, and can largely absorb energy in deformation, so that whole tension Damper Braces bar be made to have Enough tension dampings, provide relatively reliable Anti-bumping protection ability.

The specific choice of alloying metal can be used, and application No. is the Chinese invention patents of CN200580021762.9 to disclose High intensity and high ductibility magnesium alloy (specific ingredient and performance can be found in disclosed patent document), have yield stress 380MPa, the high intensity of tensile elongation 14% and high ductibility, fully meet the requirement of the present embodiment.It can also be used, High-strength high-tractility disclosed in Chinese invention patent application No. is CN201510792711.1 aluminium alloy (specific ingredient and Performance can be found in disclosed patent document), yield strength is 285~375MPa, and elongation is 15.8~18.8%, is equally gathered around There are higher tensile strength and yield strength, meets the requirement of the present embodiment.Certainly, other are applied in existing industry High-ductility alloy material, if theoretically meet current embodiment require that fundamental strength require and biggish elongation, be all Can with.

The anti-ship of above-mentioned bridge hits height-limiting frame 1, carries out limit for height survey to the ship for driving into gantry Bridge 2 hole by portal frame 11 Amount, the rear side of portal frame 11 are contacted by resilient snubber 12 with the side of gantry 2, and the front side of portal frame 11 passes through tension The connection support of damper rod 13, forms stable triangular support structure；It fully considers the environment in navigation channel waters, and utilization is existing Bridge bearing platform 3 and a small amount of pre-buried support column, provide for the installation that the anti-ship of bridge hits height-limiting frame 1 and stablize and convenient for operation Environmental basis hits height-limiting frame 1 convenient for the anti-ship of bridge and installs and safeguard on navigation channel.When ship height exceeds the cross of portal frame 11 When beam 111, the crossbeam 111 of portal frame 11 is hit on ship top first, on the one hand, 11 stress of portal frame is to 2 turns of front axle bracket It is dynamic, make 13 under tension of tension damper rod, tension damper rod 13 is extended because of its high ductibility, and is provided in elongation biggish Tension damping, absorbs the energy for hitting and generating；On the other hand, because the portal frame 11 that shock is subjected to displacement passes through resilient snubber 12 with 2 soft contact of gantry, while passing through the large deformation buffering energy-absorbing of resilient snubber 12；Two-stage protection, Double-energy-absorption, greatly The Anti-bumping protection ability for improving height-limiting frame, the safety of gantry 2 is effectively protected.

It should be noted that preferred embodiment above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still Can modify to technical solution documented by previous embodiment, or some or all of the technical features are carried out etc. With replacement；And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution Range should all cover within the scope of the claims and the description of the invention.