CN108457184A - A kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation method - Google Patents
A kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation method Download PDFInfo
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- CN108457184A CN108457184A CN201810550959.0A CN201810550959A CN108457184A CN 108457184 A CN108457184 A CN 108457184A CN 201810550959 A CN201810550959 A CN 201810550959A CN 108457184 A CN108457184 A CN 108457184A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2311/00—Characterised by the use of homopolymers or copolymers of chloroprene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
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Abstract
This application discloses a kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation methods, including bearing plate and drag-line, one end of the drag-line is connected with anchorage, it is provided with preformed hole on the bearing plate, the side of the bearing plate is provided with shock-absorbing pipe, the other end of the shock-absorbing pipe is connected with wedge-shaped gasket ring by press mode, foaming agent is filled with inside the shock-absorbing pipe, the drag-line passes through preformed hole and foaming agent setting on bearing plate, and blowing agent combination beyond the region of objective existence is stretched out in the one end for being connected with anchorage；Wedge piece ring set is located on anchorage, and support plate, spring and nut are also arranged on anchorage, and the both ends of spring fit with wedge-shaped gasket ring and support plate respectively；The nut is overlayed with support plate.The present invention has more superior bumper and absorbing shock ability than common anti-fall girder apparatus, and can reduce the installation error of component, is conducive to drag-line axially loaded.
Description
Technical field
The application belongs to technical field of bridge engineering, specifically, it is anti-to be related to a kind of buffer-type guy of twisted steel cable formula bridge
Fall girder apparatus and installation method.
Background technology
Science of bridge building is that the important component part of lifeline engineering top bridge usually occurs when violent earthquake occurs
The phenomenon that falling off from bearing causes interruption of communication, pick-up operation to be difficult to be unfolded, is brought to people life property safety huge
Loss, especially modern city will influence the performance of the operating and function of entire city production, so as to cause huge damage
It loses.Therefore, when designing bridge in addition to it need to consider necessary seismic Calculation, it is ten that relevant protective device is installed on bridge
It is point necessary, and anti-fall girder apparatus is a kind of safety measure generally used in current Bridge Design, and China is anti-fall at present
The pattern of boom device mainly has guy of twisted steel cable formula, anchor bolt type, block type, steel bracket type etc., wherein most widely used is steel
Twisted wire drag-line.
Existing guy of twisted steel cable formula device still there are problems that：(1) since energy-absorbing pipeline has certain length
Degree.When actual loading, drag-line can not be by perfect condition along axis direction stress in pipeline, this can lead to drag-line and support
Plate, rigid bracket scratch, and generate certain stress concentration.(2) shock-absorbing tube wall is very thin, inside do not have any safeguard measure,
It is remained in shock-absorbing pipe if any Korrosionsmedium, shock-absorbing pipe and drag-line can be corroded, reduce the durability of shock-absorbing pipe.(3) energy-absorbing
For pipeline in order to be assembled with wedge-shaped gasket ring, end is designed to openning shape.This is very high to production required precision, while being also inconvenient to consolidate
Fixed wedge shape gasket ring.(4) bottom support plate too small openings, easily with connect cable body and scratch, destroy drag-line protective layer, make drag-line
Be easy corroded, while may make drag-line with support plate contact site by concentrated force.(5) component is more, and precision is wanted
Ask high, in-site installation difficulty is big, heavy workload, it has not been convenient to site operation.
Invention content
It is damaged and props up there are drag-line stress concentration, energy absorbing tube Louis in view of this, the application is directed to traditional energy-absorbing pipeline
The problem of fagging scratches provides a kind of buffer-type steel strand stay rope type beam falling preventive device.
In order to solve the above-mentioned technical problem, this application discloses a kind of buffer-type steel strand stay rope type beam falling preventive device, packets
Bearing plate and drag-line are included, one end of the drag-line is connected with anchorage, preformed hole, the bearing plate are provided on the bearing plate
Side be provided with shock-absorbing pipe, the other end of the shock-absorbing pipe is connected with wedge-shaped gasket ring by press mode, in the shock-absorbing pipe
Portion is filled with foaming agent, and the drag-line passes through preformed hole and foaming agent setting on bearing plate, is connected with anchor
Blowing agent combination beyond the region of objective existence is stretched out in one end of tool；Wedge piece ring set is located on anchorage, be also arranged on anchorage support plate, spring and
The both ends of nut, spring fit with wedge-shaped gasket ring and support plate respectively；The nut is overlayed with support plate.
Optionally, it is 0~500mm that the length inside shock-absorbing pipe, which is arranged, in the wedge-shaped gasket ring.
Optionally, the connecting pin of the wedge-shaped gasket ring and shock-absorbing pipe is provided with chamfering.
Optionally, be provided on the center of the wedge-shaped gasket ring for anchorage by preformed hole, on the wedge shape gasket ring and
Guide rod preformed groove is provided with around preformed hole；Guide rod preformed hole is provided in the support plate.
Optionally, it is provided with bolt box on the bearing plate.
Optionally, the shore hardness of the foaming agent is 70A~72D, specially polyurethane foam material or rubber
Glue expanded material.
Optionally, the foaming agent is rubber expanded material, includes following components according to parts by weight：Sulphur becomes
100 parts of property type neoprene, 50~60 parts of filler, 20~30 parts of reinforcing agent, 5~10 parts of softening agent, antioxidant 1~2
Part, 3~5 parts of stearic acid, 1~2 part of polyethylene, 3~15 parts of hexichol hydrazine sulfate ether, 3~5 parts of zinc oxide, ethylene thiourea 0.2~
0.5 part, 0.5~1.5 part of sulphur.
Optionally, the filler is calcium carbonate, and reinforcing agent is carbon black, and softening agent is paraffin oil, and antioxidant is
KY445。
Optionally, the foaming agent is polyurethane foam material, includes following components according to parts by weight：Isocyanide
300~400 parts of acid esters, 50~130 parts of polyether polyol, 40~80 parts of methyl ether, 30~60 parts of liquefied petroleum gas, paraffin 30~
80 parts, 3~5 parts of plant oil modified polyoxy dipropyl ether, 2~4 parts of dimethyl ether.
The invention also discloses a kind of installation methods of buffer-type steel strand stay rope type beam falling preventive device, including following step
Suddenly：
Step 1 fixes shock-absorbing pipe on bearing plate, and wedge piece ring is axially forced to shock-absorbing pipe by forcing press, makes its end
Portion's distending；
Step 2, the mold for being more than anchorage outer diameter by an outer diameter will form closed annular space, injection inside shock-absorbing pipe
The foaming agent of shore hardness 70A~72D；
After step 3, infusion composition pending are stablized, drag-line is vertically penetrated on bearing plate successively in the axial direction
Preformed hole, shock-absorbing pipe, after it is installed, wedge piece ring bearing is sleeved on the helical spring of anchorage periphery, the other end of spring
Undertake support disk；
Step 4 after installing spring, installs guide rod, in spring on the guide rod preformed groove on wedge-shaped gasket ring
The other end dispose support plate；And the other end of guide rod is fixed on guide rod preformed hole；Support plate by guide rod with
It determines position, and makes the close wedge-shaped gasket ring of support plate as possible；
Step 5, anchorage periphery are provided with external screw thread, and screw in nut and overlayed with support plate, and after nut fixation, dismounting is led
To bar, install.
Compared with prior art, the application can be obtained including following technique effect：
The present apparatus includes shock-absorbing pipe, wedge-shaped gasket ring, foaming agent, these components constitute buffering energy-absorbing part；Non-
Under earthquake state, the expanded material in the shock-absorbing pipe of buffering energy-absorbing part can play the role of guiding and corrosion-resistant to drag-line.
Under earthquake state, the expanded material in buffering energy-absorbing part shock-absorbing pipe can not only play drag-line itself guiding and righting is made
With, avoid drag-line generate stress concentration, the deformation of drag-line can also be buffered, avoid scratching with support plate, simultaneously
With energy-absorbing and to the support of shock-absorbing inside pipe wall and corrosion-resistant effect, therefore the present apparatus has good buffer effect in Bridge Design,
Functional reliability is high, it is easy for construction the advantages that, there is very wide application prospect.
Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect simultaneously.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the application buffer-type drag-line anti-drop device；
Fig. 2 is the three-view diagram of the application support plate；Wherein, a is front view, and b is left view, and c is vertical view；
Fig. 3 is the structural schematic diagram of the application spring；
Fig. 4 is the structural schematic diagram of the application wedge piece；Wherein, a is front view, and b is left view, and c is vertical view；
Fig. 5 is the structural schematic diagram of the bearing plate of the application；Wherein, a is front view, and b is left view, and c is vertical view；
Fig. 6 is the installation procedure schematic diagram for the buffer-type drag-line anti-drop device originally asked, wherein a is that shock-absorbing pipe fixes pressure-bearing
On plate, wedge-shaped gasket ring 6 is axially forced to the process of shock-absorbing pipe, b is the position fixing process of support plate, and c is the shape removed after guide rod
State figure.
In figure, 1. protective covers, 2. anchorages, 3. nuts, 4. support plates, 5. springs, 6. wedge-shaped gasket rings, 7. foaming agents, 8. lead
To bar, 9. shock-absorbing pipes, 10. drag-lines, 11. bearing plates, 12. guide rod preformed holes, 13. guide rod preformed grooves, 14. bolts are reserved
Hole,.
Specific implementation mode
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, thereby how the application is answered
It solves technical problem and reaches the realization process of technical effect to fully understand and implement with technological means.
The invention discloses a kind of buffer-type steel strand stay rope type beam falling preventive devices, as shown in Figure 1, including interconnecting piece and
Buffering energy-absorbing portion, the interconnecting piece include anchorage, nut, support plate, spring, bearing plate, drag-line, and buffering energy-absorbing portion includes inhaling
Shake pipe, wedge-shaped gasket ring, foaming agent；One end of the drag-line 10 is connected with anchorage 2, as shown in figure 5, being set on the bearing plate 11
It is equipped with preformed hole, the side of the bearing plate 11 is provided with shock-absorbing pipe 9, and the other end of the shock-absorbing pipe 9 is by way of indentation
It is connected with wedge-shaped gasket ring 6,9 inside of the shock-absorbing pipe is filled with foaming agent 7, and the drag-line 10 passes through on bearing plate 11
Preformed hole and foaming agent 7 be arranged, be connected with anchorage 2 one end stretch out foaming agent 7 outside；6 sets of wedge-shaped gasket ring
Be located on anchorage 2, be also arranged with support plate 4, spring 5 and nut 3 on anchorage 2, the both ends of spring 5 respectively with wedge-shaped gasket ring 6 and
Support plate 4 fits；The nut 3 is overlayed with support plate 4.
In some embodiments, it is connected with protective cover 1 on wedge-shaped gasket ring 6.
In some embodiments, screw thread over the outside of anchorage 2, effect is the anchoring for facilitating drag-line, fixed first to draw
The nut that rope is does not have screw thread, nut that can not just install on anchorage.
In some embodiments, the length that the wedge-shaped gasket ring 6 is arranged inside shock-absorbing pipe 9 is 0~500mm.Shock-absorbing pipe
To be columnar structured, wedge piece ring is axially forced to by equipment such as forcing presses to make its end distending, to both close fit
It combines, avoids installation error, be conducive to device and play energy-absorbing shock-absorbing function.
In some embodiments, the length that the wedge-shaped gasket ring 6 is arranged inside shock-absorbing pipe 9 is 0~500mm.Shock-absorbing pipe
The relative dimensions such as pipe range and caliber can be changed according to design requirement to meet the requirement of bearing capacity in Practical Project.
In some embodiments, the connecting pin of the wedge-shaped gasket ring 6 and shock-absorbing pipe 9 is provided with chamfering；It is inhaled when gasket ring is pressed into
After shaking in pipe 9, type after-contraction that 9 inner wall of shock-absorbing pipe is swollen and its big chamfer are closely connected, more efficiently prevent from and loosen.
Due to the present invention using shock-absorbing pipe and wedge shape gasket ring it is combined by the way of, by equipment such as forcing presses by wedge piece
Ring is axially forced in shock-absorbing pipe, its large end face is made to enter 0~500mm in pipe, type after-contraction that shock-absorbing inside pipe wall is swollen and wedge-shaped gasket ring
Big chamfer fits closely.This both facilitates bridge construction, while also effectively preventing wedge-shaped gasket ring from being loosened with shock-absorbing pipe so that
It constructs more reliable, effect is more preferable.And the component of the present apparatus part can be completed in advance, and this both can guarantee the peace of device
It is complete to stablize, and reduce the installation error of live component, it is conducive to drag-line axially loaded.
In some embodiments, as shown in figure 4, be provided on the center of the wedge shape gasket ring 6 for drag-line 10 by it is pre-
It boxes out, guide rod preformed groove 13 is provided on the wedge shape gasket ring 6 and around preformed hole；As shown in Fig. 2, the support plate 4
On be provided with guide rod preformed hole 12.
In some embodiments, it is provided with bolt box 14 on the bearing plate 11, to facilitate the device to be fixed on beam
Bottom or beam side.
In some embodiments, the shore hardness of the foaming agent 7 is 70A~72D, and specially polyurethane is sent out
Foam material or rubber expanded material.Since the present invention includes expanded material, which has drag-line under non-earthquake state
There is guiding, ensure that drag-line in axial direction moves, while expanded material also can effectively completely cut off air and generate corruption to drag-line
The corrosive substances such as the rainwater of erosion.
Since the present invention fills expanded material in shock-absorbing pipe, which ensures drag-line edge under earthquake state
Preset direction moves, and does not occur to squeeze with structure members such as support plate, steel supports, scratch, while avoiding drag-line curved in stress
Song generates stress concentration, destroys, and in this way it is possible to prevente effectively from drag-line bends fracture under severe earthquake action, ensures that drag-line begins
Stress, deformation, movement in the axial direction eventually.
In some embodiments, the foaming agent 7 is rubber expanded material, includes with the following group according to parts by weight
Point：100 parts of sulphur denaturation type neoprene, 50~60 parts of filler, 20~30 parts of reinforcing agent, 5~10 parts of softening agent, antioxygen
1~2 part of agent, 3~5 parts of stearic acid, 1~2 part of polyethylene, 3~15 parts of hexichol hydrazine sulfate ether, 3~5 parts of zinc oxide, ethylene sulphur
0.2~0.5 part of urea, 0.5~1.5 part of sulphur.
In some embodiments, the filler is calcium carbonate, and reinforcing agent is carbon black, and softening agent is paraffin oil, anti-oxidant
Agent is KY445.
In some embodiments, the foaming agent 7 is polyurethane foam material, includes following according to parts by weight
Component：300~400 parts of isocyanates, 50~130 parts of polyether polyol, 40~80 parts of methyl ether, 30~60 parts of liquefied petroleum gas,
30~80 parts of paraffin, 3~5 parts of plant oil modified polyoxy dipropyl ether, 2~4 parts of dimethyl ether.
The present invention also provides a kind of installation methods of buffer-type steel strand stay rope type beam falling preventive device, as shown in Fig. 6, packet
Include following steps：
Step 1, as shown in Figure 6 a, shock-absorbing pipe 9 is fixed on bearing plate 11, is pressed by forcing press by wedge-shaped gasket ring 6 is axial
Enter shock-absorbing pipe 9, makes its end distending；
9 inside of shock-absorbing pipe is formed closed annular space, note by step 2, the mold for being more than 2 outer diameter of anchorage by an outer diameter
The foaming agent 7 for entering shore hardness 70A~72D forms anti-corrosion protection to 9 inner wall of shock-absorbing pipe and righting penetrates drag-line
Effect；
Step 3, as shown in Figure 6 b, after infusion composition 7 pending is stablized, by drag-line 10 in the axial direction it is vertical successively
Preformed hole, the shock-absorbing pipe 9 on bearing plate 11 are penetrated, after it is installed, cylinder of 6 splicing sleeve of wedge-shaped gasket ring in 2 periphery of anchorage
The other end of shape spring 5, spring 5 undertakes support disk 4；
Step 4 after installing spring 5, installs guide rod 8 on the guide rod preformed groove 13 on wedge-shaped gasket ring 6,
Support plate 4 is disposed in the other end of spring 5；And the other end of guide rod 8 is fixed on guide rod preformed hole 12；Support plate 4
By guide rod 8 to determine position, and make the close wedge-shaped gasket ring 6 of support plate 4 as possible；
Step 5, as fig. 6 c, 2 periphery of anchorage is provided with external screw thread, and screws in nut 3 and overlayed with support plate 4, in nut
After 3 fix, guide rod 8 is removed, is installed.
When macroseism occurs, sliding motion of the present invention by wedge-shaped gasket ring in shock-absorbing pipe makes the foaming in shock-absorbing pipe
Agent, which is deformed, to be buffered, and to avoid scratching with the generation of shock-absorbing pipe, is caused tube wall to destroy, is blocked energy-absorbing pipeline；Based on
Upper described, the present invention has more superior bumper and absorbing shock ability than common anti-fall girder apparatus, and the installation that can reduce component misses
Difference is conducive to drag-line axially loaded.
Embodiment 1
A kind of buffer-type steel strand stay rope type beam falling preventive device, as shown in Fig. 2, including interconnecting piece, the interconnecting piece includes
One end of bearing plate 11 and drag-line 10, drag-line 10 is connected with anchorage 2, and preformed hole, the pressure-bearing are provided on the bearing plate 11
The side of plate 11 is provided with shock-absorbing pipe 9, and the other end of the shock-absorbing pipe 9 is connected with wedge-shaped gasket ring 6, the shock-absorbing by indentation
9 inside of pipe is filled with foaming agent 7, and preformed hole and foaming agent 7 of the drag-line 10 on bearing plate 11 are set
It sets, the one end for being connected with anchorage 2 is stretched out outside foaming agent 7；Wedge-shaped gasket ring 6 is set on anchorage 2, is also covered on anchorage 2
Equipped with support plate 4, spring 5 and nut 3, the both ends of spring 5 fit with wedge-shaped gasket ring 6 and support plate 4 respectively；The spiral shell
Mother 3 overlays with support plate 4.
The length that the wedge shape gasket ring 6 is arranged inside shock-absorbing pipe 9 is 0~500mm.
The length that the wedge shape gasket ring 6 is arranged inside shock-absorbing pipe 9 is 0~500mm.
The connecting pin of the wedge shape gasket ring 6 and shock-absorbing pipe 9 is provided with chamfering, and the angle of the chamfering is more than 90 °；Work as pad
After ring is pressed into shock-absorbing pipe 9, type after-contraction that 9 inner wall of shock-absorbing pipe is swollen and its big chamfer are closely connected, more efficiently prevent from and loosen.
Be provided on the center of the wedge shape gasket ring 6 for anchorage 2 by preformed hole, on the wedge shape gasket ring 6 and pre-
It is provided with guide rod preformed groove 13 around boxing out；Guide rod preformed hole 12 is provided in the support plate 4.
Bolt box 14 is provided on the bearing plate 11.
The foaming agent 7 is rubber expanded material.
The foaming agent 7 is rubber expanded material, includes following components according to parts by weight：Sulphur denaturation type chlorine
100 parts of buna, 55 parts of filler, 25 parts of reinforcing agent, 8 parts of softening agent, 1.5 parts of antioxidant, 4 parts of stearic acid, polyethylene
1.5 parts, 9 parts of hexichol hydrazine sulfate ether, 4 parts of zinc oxide, 0.4 part of ethylene thiourea, 1.0 parts of sulphur.
The filler is calcium carbonate, and reinforcing agent is carbon black, and softening agent is paraffin oil, antioxidant KY445.
The installation method of above-mentioned buffer-type steel strand stay rope type beam falling preventive device, includes the following steps：
Step 1, as shown in Figure 6 a, shock-absorbing pipe 9 is fixed on bearing plate 11, is pressed by forcing press by wedge-shaped gasket ring 6 is axial
Enter shock-absorbing pipe 9, makes its end distending；
9 inside of shock-absorbing pipe is formed closed annular space, note by step 2, the mold for being more than 2 outer diameter of anchorage by an outer diameter
Enter the foaming agent 7 of shore hardness 70A~72D；
Step 3, as shown in Figure 6 b, after infusion composition 7 pending is stablized, by drag-line 10 in the axial direction it is vertical successively
Preformed hole, the shock-absorbing pipe 9 on bearing plate 11 are penetrated, after it is installed, cylinder of 6 splicing sleeve of wedge-shaped gasket ring in 2 periphery of anchorage
The other end of shape spring 5, spring 5 undertakes support disk 4；
Step 4 after installing spring 5, installs guide rod 8 on the guide rod preformed groove 13 on wedge-shaped gasket ring 6,
Support plate 4 is disposed in the other end of spring 5；And the other end of guide rod 8 is fixed on guide rod preformed hole 12；Support plate 4
By guide rod 8 to determine position, and make the close wedge-shaped gasket ring 6 of support plate 4 as possible；
Step 5, as fig. 6 c, 2 periphery of anchorage is provided with external screw thread, and screws in nut 3 and overlayed with support plate 4, in nut
After 3 fix, guide rod 8 is removed, is installed.
Embodiment 2
Wherein, the foaming agent 7 is rubber expanded material, includes following components according to parts by weight：Sulphur is denaturalized
100 parts of type neoprene, 50 parts of filler, 30 parts of reinforcing agent, 5 parts of softening agent, 2 parts of antioxidant, 3 parts of stearic acid, polyethylene
2 parts, 3 parts of hexichol hydrazine sulfate ether, 5 parts of zinc oxide, 0.2 part of ethylene thiourea, 1.5 parts of sulphur.
The filler is calcium carbonate, and reinforcing agent is carbon black, and softening agent is paraffin oil, antioxidant KY445.
Remaining structure and installation steps are the same as embodiment 1.
Embodiment 3
Wherein, the foaming agent 7 is rubber expanded material, includes following components according to parts by weight：Sulphur is denaturalized
100 parts of type neoprene, 60 parts of filler, 20 parts of reinforcing agent, 10 parts of softening agent, 1 part of antioxidant, 5 parts of stearic acid, poly- second
1 part of alkene, 15 parts of hexichol hydrazine sulfate ether, 3 parts of zinc oxide, 0.5 part of ethylene thiourea, 0.5 part of sulphur.
The filler is calcium carbonate, and reinforcing agent is carbon black, and softening agent is paraffin oil, antioxidant KY445.
Remaining structure and installation steps are the same as embodiment 1.
Embodiment 4
The foaming agent 7 is polyurethane foam material, includes following components according to parts by weight：Isocyanates 350
Part, 90 parts of polyether polyol, 60 parts of methyl ether, 45 parts of liquefied petroleum gas, 55 parts of paraffin, 4 parts of plant oil modified polyoxy dipropyl ether,
3 parts of dimethyl ether.
Remaining structure and installation steps are the same as embodiment 1.
Embodiment 5
The foaming agent 7 is polyurethane foam material, includes following components according to parts by weight：Isocyanates 300
Part, 130 parts of polyether polyol, 40 parts of methyl ether, 60 parts of liquefied petroleum gas, 30 parts of paraffin, 5 parts of plant oil modified polyoxy dipropyl ether,
2 parts of dimethyl ether.
Remaining structure and installation steps are the same as embodiment 1.
Embodiment 6
The foaming agent 7 is polyurethane foam material, includes following components according to parts by weight：Isocyanates 400
Part, 50 parts of polyether polyol, 80 parts of methyl ether, 30 parts of liquefied petroleum gas, 80 parts of paraffin, 3 parts of plant oil modified polyoxy dipropyl ether,
4 parts of dimethyl ether.
Remaining structure and installation steps are the same as embodiment 1.
Some vocabulary has such as been used to censure special component or method in specification and claim.This field skill
Art personnel are, it is to be appreciated that different regions may call the same ingredient with different nouns.This specification and claims are simultaneously
Not in such a way that the difference of title is used as and distinguishes ingredient.Such as " the packet in specification in the whole text and claim mentioned in
Containing " it is an open language, therefore should be construed to " including but not limited to "." substantially " refer in receivable error range,
Those skilled in the art can solve the technical problem within a certain error range, basically reach the technique effect.Explanation
Book subsequent descriptions are to implement the better embodiment of the application, and so the description is to illustrate the rule of the application as mesh
, it is not limited to scope of the present application.The protection domain of the application is when subject to appended claims institute defender.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that commodity or system including a series of elements include not only those elements, but also include not clear
The other element listed, or further include for this commodity or the intrinsic element of system.
Claims (10)
1. a kind of buffer-type steel strand stay rope type beam falling preventive device, which is characterized in that including bearing plate (11) and drag-line (10), institute
The one end for stating drag-line (10) is connected with anchorage (2), is provided with preformed hole on the bearing plate (11), and the one of the bearing plate (11)
Side is provided with shock-absorbing pipe (9), and the other end of the shock-absorbing pipe (9) is connected with wedge-shaped gasket ring (6), the shock-absorbing by press mode
It manages and is filled with foaming agent (7) inside (9), the drag-line (10) passes through preformed hole and foaming agent group on bearing plate (11)
It closes object (7) to be arranged, foaming agent (7) is stretched out outside in the one end for being connected with anchorage (2)；Wedge-shaped gasket ring (6) is set in anchorage (2)
On, be also arranged with support plate (4), spring (5) and nut (3) on anchorage (2), the both ends of spring (5) respectively with wedge-shaped gasket ring (6)
It fits with support plate (4)；The nut (3) is overlayed with support plate (4).
2. buffer-type steel strand stay rope type beam falling preventive device according to claim 1, which is characterized in that the wedge shape gasket ring
(6) setting is 0~500mm in the internal length of shock-absorbing pipe (9).
3. buffer-type steel strand stay rope type beam falling preventive device according to claim 1, which is characterized in that the wedge shape gasket ring
(6) connecting pin of shock-absorbing pipe (9) is provided with chamfering.
4. buffer-type steel strand stay rope type beam falling preventive device according to claim 1, which is characterized in that the wedge shape gasket ring
(6) be provided on center for anchorage (2) by preformed hole, be provided on wedge shape gasket ring (6) and around preformed hole
Guide rod preformed groove (13)；It is provided with guide rod preformed hole (12) on the support plate (4).
5. buffer-type steel strand stay rope type beam falling preventive device according to claim 1, which is characterized in that the bearing plate
(11) bolt box (14) is provided on.
6. buffer-type steel strand stay rope type beam falling preventive device according to claim 1, which is characterized in that the foaming agent group
The shore hardness for closing object (7) is 70A~72D, specially polyurethane foam material or rubber expanded material.
7. buffer-type steel strand stay rope type beam falling preventive device according to claim 6, which is characterized in that the foaming agent group
It is rubber expanded material to close object (7), includes following components according to parts by weight：100 parts of sulphur denaturation type neoprene, filler 50
~60 parts, 20~30 parts of reinforcing agent, 5~10 parts of softening agent, 1~2 part of antioxidant, 3~5 parts of stearic acid, 1~2 part of polyethylene,
3~15 parts of hexichol hydrazine sulfate ether, 3~5 parts of zinc oxide, 0.2~0.5 part of ethylene thiourea, 0.5~1.5 part of sulphur.
8. buffer-type steel strand stay rope type beam falling preventive device according to claim 6, which is characterized in that the filler is
Calcium carbonate, reinforcing agent are carbon black, and softening agent is paraffin oil, antioxidant KY445.
9. buffer-type steel strand stay rope type beam falling preventive device according to claim 5, which is characterized in that the foaming agent group
It is polyurethane foam material to close object (7), includes following components according to parts by weight：300~400 parts of isocyanates, polyether polyol
50~130 parts, 40~80 parts of methyl ether, 30~60 parts of liquefied petroleum gas, 30~80 parts of paraffin, plant oil modified polyoxy dipropyl ether 3
~5 parts, 2~4 parts of dimethyl ether.
10. a kind of installation method of buffer-type steel strand stay rope type beam falling preventive device, which is characterized in that include the following steps：
Step 1 fixes shock-absorbing pipe (9) on bearing plate (11), and wedge-shaped gasket ring (6) is axially forced to shock-absorbing pipe by forcing press
(9), make its end distending；
Step 2, the mold for being more than anchorage (2) outer diameter by an outer diameter will form closed annular space, injection inside shock-absorbing pipe (9)
The foaming agent (7) of shore hardness 70A~72D；
After step 3, infusion composition pending (7) are stablized, drag-line (10) is vertically penetrated into bearing plate successively in the axial direction
(11) preformed hole, shock-absorbing pipe (9) on, after it is installed, cylinder of wedge-shaped gasket ring (6) splicing sleeve in anchorage (2) periphery
The other end of spring (5), spring (5) undertakes support disk (4)；
After installing spring (5), guide rod is installed on the guide rod preformed groove (13) on wedge-shaped gasket ring (6) for step 4
(8), in the other end of spring (5) placement support plate (4)；And the other end of guide rod (8) is fixed on guide rod preformed hole
(12) on；Support plate (4) by guide rod (8) to determine position, and make support plate (4) as possible close to wedge-shaped gasket ring (6)；
Step 5, anchorage (2) periphery are provided with external screw thread, and screw in nut (3) and overlayed with support plate (4), after nut (3) is fixed,
Guide rod (8) is removed, is installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550959.0A CN108457184A (en) | 2018-05-31 | 2018-05-31 | A kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550959.0A CN108457184A (en) | 2018-05-31 | 2018-05-31 | A kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation method |
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| CN108457184A true CN108457184A (en) | 2018-08-28 |
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ID=63215986
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550959.0A Pending CN108457184A (en) | 2018-05-31 | 2018-05-31 | A kind of buffer-type guy of twisted steel cable formula bridge anti-fall girder apparatus and installation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041984A (en) * | 2019-12-01 | 2020-04-21 | 中铁二院工程集团有限责任公司 | Rear anchor surface anchoring system for anchoring main cable of suspension bridge |
| CN111945548A (en) * | 2020-08-19 | 2020-11-17 | 温州砼程维禹科技有限公司 | Single-column pier bridge anti-overturning beam falling device |
| CN113944097A (en) * | 2021-10-26 | 2022-01-18 | 北京工业大学 | Friction energy consumption-self-reset beam falling prevention device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201809722U (en) * | 2010-09-03 | 2011-04-27 | 柳州欧维姆机械股份有限公司 | Steel strand stay rope type beam falling preventive device |
| CN105421666A (en) * | 2015-12-11 | 2016-03-23 | 桂林理工大学 | Prestressed carbon fiber plate anchoring device and construction method thereof |
| CN105461893A (en) * | 2014-12-03 | 2016-04-06 | 固诺（天津）实业有限公司 | Ultrahigh-foaming amount polyurethane foaming agent |
| CN106049280A (en) * | 2016-07-29 | 2016-10-26 | 安徽金星预应力工程技术有限公司 | Saddle end sealing device with double positioners |
| CN106567325A (en) * | 2016-11-14 | 2017-04-19 | 西南交通大学 | Combined type anti-falling beam and collision device |
| CN106987036A (en) * | 2016-01-21 | 2017-07-28 | 厚生股份有限公司 | The manufacture method of the rubber combined layer of neoprene foaming material and the application expanded material |
| CN208668275U (en) * | 2018-05-31 | 2019-03-29 | 桂林理工大学 | A kind of anti-fall girder apparatus |
-
2018
- 2018-05-31 CN CN201810550959.0A patent/CN108457184A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201809722U (en) * | 2010-09-03 | 2011-04-27 | 柳州欧维姆机械股份有限公司 | Steel strand stay rope type beam falling preventive device |
| CN105461893A (en) * | 2014-12-03 | 2016-04-06 | 固诺（天津）实业有限公司 | Ultrahigh-foaming amount polyurethane foaming agent |
| CN105421666A (en) * | 2015-12-11 | 2016-03-23 | 桂林理工大学 | Prestressed carbon fiber plate anchoring device and construction method thereof |
| CN106987036A (en) * | 2016-01-21 | 2017-07-28 | 厚生股份有限公司 | The manufacture method of the rubber combined layer of neoprene foaming material and the application expanded material |
| CN106049280A (en) * | 2016-07-29 | 2016-10-26 | 安徽金星预应力工程技术有限公司 | Saddle end sealing device with double positioners |
| CN106567325A (en) * | 2016-11-14 | 2017-04-19 | 西南交通大学 | Combined type anti-falling beam and collision device |
| CN208668275U (en) * | 2018-05-31 | 2019-03-29 | 桂林理工大学 | A kind of anti-fall girder apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 邢心魁;李亚;朱元;: "新型能量吸收型落梁防止装置", 公路, no. 10, pages 97 - 100 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041984A (en) * | 2019-12-01 | 2020-04-21 | 中铁二院工程集团有限责任公司 | Rear anchor surface anchoring system for anchoring main cable of suspension bridge |
| CN111945548A (en) * | 2020-08-19 | 2020-11-17 | 温州砼程维禹科技有限公司 | Single-column pier bridge anti-overturning beam falling device |
| CN113944097A (en) * | 2021-10-26 | 2022-01-18 | 北京工业大学 | Friction energy consumption-self-reset beam falling prevention device |
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