CN116497742A - Pier buffer stop with direction function - Google Patents

Pier buffer stop with direction function Download PDF

Info

Publication number
CN116497742A
CN116497742A CN202310743606.3A CN202310743606A CN116497742A CN 116497742 A CN116497742 A CN 116497742A CN 202310743606 A CN202310743606 A CN 202310743606A CN 116497742 A CN116497742 A CN 116497742A
Authority
CN
China
Prior art keywords
connecting plate
cylinder
pier
sleeve
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310743606.3A
Other languages
Chinese (zh)
Inventor
李淑红
王勇
熊裕红
郭记飞
刘言伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Angu Flexible Energy Dissipation Technology Co ltd
Original Assignee
Wuhan Angu Flexible Energy Dissipation Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Angu Flexible Energy Dissipation Technology Co ltd filed Critical Wuhan Angu Flexible Energy Dissipation Technology Co ltd
Priority to CN202310743606.3A priority Critical patent/CN116497742A/en
Publication of CN116497742A publication Critical patent/CN116497742A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • 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
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/141—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands for column or post protection
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E02B3/26—Fenders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention provides a pier anti-collision device with a guiding function, which relates to the technical field of bridge protection and comprises an outer frame and a rubber sleeve, wherein the outer frame is sleeved on the outer side of a pier, the outer side of the outer frame is provided with anti-collision units, the anti-collision units are provided with a plurality of groups, the rubber sleeve is sleeved on the outer sides of the plurality of groups of anti-collision units, and the anti-collision units comprise an upper shaft plate, a lower shaft plate and a self-recovery cylinder; according to the invention, the anti-collision unit is arranged around the periphery of the bridge pier and is matched with the rubber sleeve for coating, when the bridge pier is impacted, the self-recovery cylinder is compressed and deformed to bear the first heavy impact and displace, so that the upper connecting plate and the lower connecting plate are impacted, rotate and unload force, the upper connecting plate extrudes the buffer rod, the pull rod moves in the sleeve, the piston extrudes the first spring or the second spring for the second time, the self-recovery cylinder is displaced and the upper connecting plate and the lower connecting plate rotate, the impact source can be guided, the force is guided to the side, and the impact is reduced to the greatest extent.

Description

Pier buffer stop with direction function
Technical Field
The invention relates to the technical field of bridge protection, in particular to a pier anti-collision device with a guiding function.
Background
The bridge pier is a substructure which supports the bridge span structure and transmits constant load and vehicle live load to the foundation, the bridge abutment is arranged at two sides of the bridge, the bridge pier is arranged between the two bridge abutments, the bridge pier has the function of supporting the bridge span structure, the bridge abutment supports the bridge span structure and is also connected with the embankment to prevent the embankment from sliding, and in order to protect the bridge abutment and the embankment from filling soil, the two sides of the bridge abutment are often subjected to some protection and diversion engineering; at present, for bridge collision, common bridge pier protection can be divided into two main types, namely a direct structure and an indirect structure, wherein the direct structure refers to the protection device which is directly constructed on a protected bridge pier, after collision occurs, the collision force directly acts on the protected bridge pier through the protection device, the indirect structure refers to the protection device which is not directly connected with the protected bridge, the collision force does not directly act on the protected bridge, for both protection, although the protection of the structure can be realized to a certain extent, certain defects exist respectively, and for the protection device with the indirect structure, the collision force generated when the protection device is impacted can be absorbed by the protection device, the protection device with the indirect structure does not act on the protected bridge pier, and has a strong protection effect on the bridge pier, however, a certain distance is usually reserved between the protection device with the indirect structure and the protected bridge pier, so that a river channel or a water area is occupied by the protection device, and the maintenance engineering quantity is large;
in contrast, the protection device with direct construction is generally directly constructed on the pier to be protected, and is mainly classified into three types of elastic deformation type, crushing (plastic) deformation type and deflection type, wherein after the elastic deformation type protection device is impacted, although elastic recovery can be realized, maintenance work is small, only impact with smaller energy can be applied, and the protection device lacks a guiding function, once the impact exceeds the elastic deformation range, the pier is directly impacted, and the crushing deformation type protection device and the deflection type protection device can absorb huge impact energy through plastic deformation and deflection of the protection device per se, but cannot be recovered after the impact, and the maintenance cost is higher.
Disclosure of Invention
In view of the above problems, the present invention provides a pier collision preventing device with guiding function, which is beneficial to maximally reducing impact caused by impact.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a pier buffer stop with direction function, includes outer frame and rubber sleeve, outer frame cover is established in the outside of pier, and the outside of outer frame is equipped with crashproof unit, crashproof unit is equipped with the multiunit, rubber sleeve cover is established in multiunit crashproof unit's outside, and crashproof unit includes upper shaft plate, lower shaft plate and from recovering a section of thick bamboo, upper shaft plate, lower shaft plate's one end is rotated respectively and is equipped with upper link plate and lower link plate, from recovering a section of thick bamboo and establish between upper link plate and lower link plate, upper shaft plate's both sides all are equipped with the side lever, and both sides the side lever is rotated under and is equipped with the buffer rod, both sides the outer end of buffer rod all with upper link plate rotates to be connected;
the buffer rod comprises a sleeve and a pull rod, an inner cavity is formed in the sleeve, a piston is movably arranged in the inner cavity, the lower end of the pull rod extends to the inner cavity to be connected with the piston, and a first spring and a second spring are respectively arranged in the inner cavity at the positions of two ends of the piston.
The further improvement is that: the elastic dynamic balance of the first spring and the second spring, and the inner cavities at the two ends of the piston are filled with hydraulic oil.
The further improvement is that: the piston is provided with a one-way channel, two sides of the inside of the sleeve are respectively provided with a one-way flow channel, two ends of the one-way flow channel are respectively communicated to two end positions of the inside of the inner cavity, the interiors of the one-way flow channel and the one-way channel are respectively provided with a one-way regulating valve, and the one-way flow directions of the one-way flow channel and the one-way channel are opposite.
The further improvement is that: the caliber of the piston is larger than that of the part of the pull rod penetrating through the sleeve, and the part of the pull rod penetrating through the sleeve is provided with sealing filler.
The further improvement is that: the self-recovery cylinder comprises a cylinder body and a cylinder nozzle, wherein the cylinder nozzle is arranged at the lower end of the cylinder body, a cylinder plug is arranged in the cylinder nozzle, and a pressure valve and a one-way valve are arranged on the cylinder plug.
The further improvement is that: the inside of barrel is equipped with resumes the gasbag, and resumes the gasbag and wind the inboard of barrel outward and be equipped with the multiunit, adjacent two sets of resume and be equipped with the expansion sponge that absorbs water between the gasbag.
The further improvement is that: one end of the upper connecting plate is fixedly connected with the upper end of the cylinder body, one end of the lower connecting plate is provided with a locking hoop, and the locking hoop is locked on the outer side of the cylinder mouth.
The further improvement is that: the cylinder consists of fluororubber and a ply, wherein the ply is internally arranged in the fluororubber, a plurality of groups of recovery air bags and water-absorbing expansion sponges are surrounded into an annular balloon structure, and compressed gas is encapsulated in the recovery air bags.
The further improvement is that: the inside of outer frame is equipped with the buffer chamber that corresponds crashproof unit, the inside that all extends to the buffer chamber of the one end of last axle board and lower axle board, the one end of going up axle board and lower axle board all is equipped with the limiting plate.
The further improvement is that: the one end of buffering intracavity portion is equipped with the slide bar, both sides on the slide bar all activity is equipped with the sliding sleeve, the both sides of limiting plate one end all rotate and are equipped with the support arm, and both sides the one end of support arm respectively with both sides the sliding sleeve articulates, be connected with the buffering shell fragment between the lateral wall in sliding sleeve and buffering chamber, and the outside at the slide bar is established to the buffering shell fragment cover.
The beneficial effects of the invention are as follows:
1. according to the invention, the anti-collision unit is arranged around the periphery of the bridge pier and is matched with the rubber sleeve for coating, when the bridge pier is impacted, the self-recovery cylinder is compressed and deformed to bear the first heavy impact and displace, so that the upper connecting plate and the lower connecting plate are impacted, rotate and unload force, the upper connecting plate extrudes the buffer rod, the pull rod moves in the sleeve, the piston extrudes the first spring or the second spring for the second time, the self-recovery cylinder is displaced and the upper connecting plate and the lower connecting plate rotate, the impact source can be guided, the force is guided to the side, and the impact is reduced to the greatest extent.
2. When the buffer rod is extruded, the pull rod moves in the sleeve, and hydraulic oil at the position of the first spring or the second spring flows to the other end in the inner cavity through the one-way flow passage or the one-way passage in the process that the piston extrudes the first spring or the second spring, so that the hydraulic buffer effect is achieved, and the force unloading effect is further improved.
3. According to the invention, as the first spring and the second spring are elastically and dynamically balanced, after the impact is finished, the piston is elastically matched with the hydraulic oil to extrude the hydraulic oil, and the hydraulic oil is slowly reset, so that the positions of the upper connecting plate, the lower connecting plate and the self-recovery cylinder are reset, when the self-recovery cylinder is subjected to impact compression, the internal water is discharged from the pressure valve, after the impact is finished, the cylinder is expanded along with the expansion of compressed air of the recovery air bag, the water is absorbed into the cylinder body by utilizing air pressure through the one-way valve, and the water absorption expansion sponge absorbs water and expands at the same time, so that the self-recovery cylinder is recovered, additional maintenance is not needed, and the cost is saved.
4. When the invention is impacted, the upper shaft plate and the lower shaft plate extrude the support arm, so that the support arm rotates, the extrusion sliding sleeve moves on the sliding rod, the buffer elastic sheet is extruded, the shaft plate is protected, and the invention is more durable.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of an anti-collision unit of the present invention;
FIG. 3 is a schematic view of a buffer rod of the present invention;
FIG. 4 is a schematic view of a self-healing cartridge of the present invention;
FIG. 5 is a schematic view of the interior of a buffer chamber according to the present invention.
Wherein: 1. an outer frame; 2. a rubber sleeve; 3. bridge piers; 4. an upper shaft plate; 5. a lower shaft plate; 6. a self-restoring cylinder; 7. an upper connecting plate; 8. a lower connecting plate; 9. a side bar; 10. a buffer rod; 11. a sleeve; 12. a pull rod; 13. an inner cavity; 14. a piston; 15. a first spring; 16. hydraulic oil; 17. a unidirectional channel; 18. a unidirectional flow passage; 19. sealing filler; 20. a cylinder; 21. a barrel mouth; 22. a cartridge plug; 23. a pressure valve; 24. a one-way valve; 25. restoring the air bag; 26. a water-absorbing expansion sponge; 27. a locking band; 28. a buffer chamber; 29. a limiting plate; 30. a slide bar; 31. a sliding sleeve; 32. a support arm; 33. a buffer spring plate; 34. and a second spring.
Description of the embodiments
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Examples
According to fig. 1, 2, 3 and 4, this embodiment provides a pier anti-collision device with guiding function, which comprises an outer frame 1 and a rubber sleeve 2, wherein the outer frame 1 is sleeved on the outer side of a pier 3, the outer side of the outer frame 1 is provided with anti-collision units, the anti-collision units are provided with a plurality of groups, the rubber sleeve 2 is sleeved on the outer sides of the anti-collision units, the anti-collision units comprise an upper shaft plate 4, a lower shaft plate 5 and a self-restoring cylinder 6, one ends of the upper shaft plate 4 and the lower shaft plate 5 are respectively provided with an upper connecting plate 7 and a lower connecting plate 8 in a rotating manner, the self-restoring cylinder 6 is arranged between the upper connecting plate 7 and the lower connecting plate 8, two sides of the upper shaft plate 4 are respectively provided with side rods 9, the lower sides of the side rods 9 are respectively provided with buffer rods 10 in a rotating manner, and the outer ends of the buffer rods 10 are respectively connected with the upper connecting plate 7 in a rotating manner.
The buffer rod 10 comprises a sleeve 11 and a pull rod 12, an inner cavity 13 is arranged in the sleeve 11, a piston 14 is movably arranged in the inner cavity 13, the lower end of the pull rod 12 extends to the inner cavity 13 to be connected with the piston 14, and a first spring 15 and a second spring 34 are respectively arranged in the inner cavity 13 at two end positions of the piston 14. During the use, around arranging anticollision unit at pier 3 periphery to cooperate rubber sleeve 2 cladding, when receiving the impact, self-recovery section of thick bamboo 6 compression deformation bears first heavy impact and displacement, make upper link plate 7 and lower link plate 8 receive the impact rotation and unload the power, upper link plate 7 extrusion buffer rod 10 this time, make pull rod 12 remove in sleeve pipe 11, piston 14 extrusion first spring 15 or second spring 34, carry out the secondary buffering, self-recovery section of thick bamboo 6 displacement and upper link plate 7, lower link plate 8 rotation, can also lead the impact source, direct the power to one side, be favorable to the maximize influence that reduces the impact and cause.
The elastic dynamic balance of the first spring 15 and the second spring 34, and the inner cavity 13 at the two ends of the piston 14 are filled with hydraulic oil 16. The piston 14 is provided with a one-way channel 17, two sides of the inside of the sleeve 11 are respectively provided with a one-way channel 18, two ends of the one-way channel 18 are respectively communicated to two end positions of the inside of the inner cavity 13, the interiors of the one-way channel 18 and the one-way channel 17 are respectively provided with a one-way regulating valve, and the one-way flow directions of the one-way channel 18 and the one-way channel 17 are opposite. When the buffer rod 10 is extruded, the pull rod 12 moves in the sleeve 11, and in the process that the piston 14 extrudes the first spring 15 or the second spring 34, hydraulic oil 16 at the position of the first spring 15 or the second spring 34 flows to the other end in the inner cavity 13 through the one-way flow passage 18 or the one-way passage 17, so that the hydraulic buffer function is achieved, and the unloading effect is further improved. Meanwhile, due to the elastic dynamic balance of the first spring 15 and the second spring 34, after the impact is finished, the piston 14 is elastically matched to extrude the hydraulic oil 16 to slowly reset, so that the positions of the upper connecting plate 7, the lower connecting plate 8 and the self-recovery cylinder 6 are reset.
The caliber of the piston 14 is larger than that of the part of the pull rod 12 penetrating through the sleeve 11, the piston 14 cannot be separated from the inner cavity 13, and the part of the pull rod 12 penetrating through the sleeve 11 is provided with a sealing filler 19. The through-hole is sealed to avoid leakage of the hydraulic oil 16.
The self-recovery cylinder 6 comprises a cylinder body 20 and a cylinder nozzle 21, wherein the cylinder nozzle 21 is arranged at the lower end of the cylinder body 20, a cylinder plug 22 is arranged in the cylinder nozzle 21, and a pressure valve 23 and a one-way valve 24 are arranged on the cylinder plug 22. The inside of the cylinder 20 is provided with a restoration air bag 25, a plurality of groups of restoration air bags 25 are arranged outside the cylinder 20 around the inner side of the cylinder, and a water-absorbing expansion sponge 26 is arranged between two adjacent groups of restoration air bags 25. When the self-recovery cylinder 6 is subjected to impact compression, the water in the self-recovery cylinder is discharged from the pressure valve 23, the recovery air bag 25 compresses air to shrink, and the water is squeezed by the water-absorbing expansion sponge 26 to perform multiple force-unloading buffering.
One end of the upper connecting plate 7 is fixedly connected with the upper end of the cylinder 20, one end of the lower connecting plate 8 is provided with a locking hoop 27, and the locking hoop 27 is locked on the outer side of the nozzle 21. When the upper connecting plate and the lower connecting plate are connected, the self-recovery cylinder 6 is compressed and deformed to bear the first heavy impact and displace when being impacted, so that the upper connecting plate 7 and the lower connecting plate 8 are impacted, rotated and unloaded.
The cylinder 20 is composed of fluororubber and a ply, the ply is internally arranged in the fluororubber and is not easy to damage and break, a plurality of groups of recovery air bags 25 and the water-absorbing expansion sponge 26 are surrounded to form an annular balloon structure, and compressed gas is encapsulated in the recovery air bags 25. After the impact is finished, as the recovery airbag 25 compresses the air to expand, the cylinder 20 is expanded, the water is absorbed into the cylinder 20 by the air pressure through the one-way valve 24, and the water-absorbing expansion sponge 26 absorbs water to expand at the same time, so that the recovery from the recovery cylinder 6 is realized, and no additional maintenance is required.
Examples
According to fig. 1, 2, 3 and 5, this embodiment provides a pier anti-collision device with guiding function, which comprises an outer frame 1 and a rubber sleeve 2, wherein the outer frame 1 is sleeved on the outer side of a pier 3, the outer side of the outer frame 1 is provided with anti-collision units, the anti-collision units are provided with a plurality of groups, the rubber sleeve 2 is sleeved on the outer sides of the anti-collision units, the anti-collision units comprise an upper shaft plate 4, a lower shaft plate 5 and a self-restoring cylinder 6, one ends of the upper shaft plate 4 and the lower shaft plate 5 are respectively provided with an upper connecting plate 7 and a lower connecting plate 8 in a rotating manner, the self-restoring cylinder 6 is arranged between the upper connecting plate 7 and the lower connecting plate 8, two sides of the upper shaft plate 4 are respectively provided with side rods 9, the lower sides of the side rods 9 are respectively provided with buffer rods 10 in a rotating manner, and the outer ends of the buffer rods 10 are respectively connected with the upper connecting plate 7 in a rotating manner.
The buffer rod 10 comprises a sleeve 11 and a pull rod 12, an inner cavity 13 is arranged in the sleeve 11, a piston 14 is movably arranged in the inner cavity 13, the lower end of the pull rod 12 extends to the inner cavity 13 to be connected with the piston 14, and a first spring 15 and a second spring 34 are respectively arranged in the inner cavity 13 at two end positions of the piston 14. During the use, around arranging anticollision unit at pier 3 periphery to cooperate rubber sleeve 2 cladding, when receiving the impact, self-recovery section of thick bamboo 6 compression deformation bears first heavy impact and displacement, make upper link plate 7 and lower link plate 8 receive the impact rotation and unload the power, upper link plate 7 extrusion buffer rod 10 this time, make pull rod 12 remove in sleeve pipe 11, piston 14 extrusion first spring 15 or second spring 34, carry out the secondary buffering, self-recovery section of thick bamboo 6 displacement and upper link plate 7, lower link plate 8 rotation, can also lead the impact source, direct the power to one side, be favorable to the maximize influence that reduces the impact and cause.
The elastic dynamic balance of the first spring 15 and the second spring 34, and the inner cavity 13 at the two ends of the piston 14 are filled with hydraulic oil 16. The piston 14 is provided with a one-way channel 17, two sides of the inside of the sleeve 11 are respectively provided with a one-way channel 18, two ends of the one-way channel 18 are respectively communicated to two end positions of the inside of the inner cavity 13, the interiors of the one-way channel 18 and the one-way channel 17 are respectively provided with a one-way regulating valve, and the one-way flow directions of the one-way channel 18 and the one-way channel 17 are opposite. When the buffer rod 10 is extruded, the pull rod 12 moves in the sleeve 11, and in the process that the piston 14 extrudes the first spring 15 or the second spring 34, hydraulic oil 16 at the position of the first spring 15 or the second spring 34 flows to the other end in the inner cavity 13 through the one-way flow passage 18 or the one-way passage 17, so that the hydraulic buffer function is achieved, and the unloading effect is further improved. Meanwhile, due to the elastic dynamic balance of the first spring 15 and the second spring 34, after the impact is finished, the piston 14 is elastically matched to extrude the hydraulic oil 16 to slowly reset, so that the positions of the upper connecting plate 7, the lower connecting plate 8 and the self-recovery cylinder 6 are reset.
The inside of outer frame 1 is equipped with the cushion chamber 28 that corresponds crashproof unit, the one end of upper shaft board 4 and lower shaft board 5 all extends to the inside of cushion chamber 28, the one end of upper shaft board 4 and lower shaft board 5 all is equipped with limiting plate 29. The one end of cushion chamber 28 inside is equipped with slide bar 30, both sides on the slide bar 30 all activity are equipped with sliding sleeve 31, the both sides of limiting plate 29 one end all rotate and are equipped with support arm 32, and both sides the one end of support arm 32 respectively with both sides sliding sleeve 31 articulates, be connected with between sliding sleeve 31 and the lateral wall of cushion chamber 28 and cushion shell fragment 33, and cushion shell fragment 33 cover is established in the outside of slide bar 30. When the impact is applied, the upper shaft plate 4 and the lower shaft plate 5 squeeze the support arms 32, so that the support arms 32 rotate, the squeeze sliding sleeve 31 moves on the sliding rod 30, the buffer elastic sheet 33 is squeezed, and the shaft plates are protected, so that the impact-resistant roller is more durable.
According to the invention, the anti-collision unit is arranged around the periphery of the bridge pier 3 and is matched with the rubber sleeve 2 for coating, when the bridge pier is impacted, the self-recovery cylinder 6 is compressed and deformed to bear the first heavy impact and displace, so that the upper connecting plate 7 and the lower connecting plate 8 are impacted, rotate and unload force, the upper connecting plate 7 presses the buffer rod 10, the pull rod 12 moves in the sleeve 11, the piston 14 presses the first spring 15 or the second spring 34 for carrying out the second buffering, the self-recovery cylinder 6 displaces and the upper connecting plate 7 and the lower connecting plate 8 rotate, the impact source can be guided, the force is guided aside, and the impact caused by the impact is reduced to the greatest extent. When the buffer rod 10 is extruded, the pull rod 12 moves in the sleeve 11, and in the process that the piston 14 extrudes the first spring 15 or the second spring 34, hydraulic oil 16 at the position of the first spring 15 or the second spring 34 flows to the other end in the inner cavity 13 through the one-way flow passage 18 or the one-way passage 17, so that the hydraulic buffer effect is achieved, and the unloading effect is further improved. Meanwhile, because the first spring 15 and the second spring 34 are elastically and dynamically balanced, after the impact is finished, the piston 14 is elastically matched to extrude the hydraulic oil 16 to slowly reset, so that the positions of the upper connecting plate 7, the lower connecting plate 8 and the self-recovery cylinder 6 are reset, when the self-recovery cylinder 6 is subjected to impact compression, the internal water is discharged from the pressure valve 23, after the impact is finished, the cylinder 20 is expanded along with the expansion of compressed air of the recovery air bag 25, the water is absorbed into the cylinder 20 by utilizing the air pressure through the one-way valve 24, and the water-absorbing expansion sponge 26 is simultaneously expanded by water absorption, so that the self-recovery cylinder 6 is recovered, additional maintenance is not needed, and the cost is saved. In addition, when the invention is impacted, the upper shaft plate 4 and the lower shaft plate 5 squeeze the support arms 32, so that the support arms 32 rotate, the squeeze sliding sleeve 31 moves on the sliding rod 30, the squeeze buffering elastic sheet 33 is squeezed, and the shaft plates are protected, so that the invention is more durable.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a pier buffer stop with direction function, includes outer frame (1) and rubber sleeve (2), its characterized in that: the outer frame (1) is sleeved on the outer side of the bridge pier (3), anti-collision units are arranged on the outer side of the outer frame (1), a plurality of groups of anti-collision units are arranged on the outer side of the anti-collision units, the anti-collision units comprise an upper shaft plate (4), a lower shaft plate (5) and a self-recovery cylinder (6), an upper connecting plate (7) and a lower connecting plate (8) are respectively arranged at one ends of the upper shaft plate (4) and the lower shaft plate (5) in a rotating mode, the self-recovery cylinder (6) is arranged between the upper connecting plate (7) and the lower connecting plate (8), side rods (9) are arranged on two sides of the upper shaft plate (4), buffer rods (10) are arranged on two sides of the side rods (9) in a rotating mode, and the outer ends of the buffer rods (10) are connected with the upper connecting plate (7) in a rotating mode;
the buffer rod (10) comprises a sleeve (11) and a pull rod (12), an inner cavity (13) is formed in the sleeve (11), a piston (14) is movably arranged in the inner cavity (13), the lower end of the pull rod (12) extends to the inner cavity (13) to be connected with the piston (14), and a first spring (15) and a second spring (34) are respectively arranged in the inner cavity (13) at two ends of the piston (14).
2. The pier collision avoidance apparatus with guiding function according to claim 1, wherein: the elastic dynamic balance of the first spring (15) and the second spring (34) is realized, and the inner parts of the inner cavities (13) at the two ends of the piston (14) are filled with hydraulic oil (16).
3. The pier collision avoidance apparatus with guiding function according to claim 2, wherein: the piston (14) is provided with a one-way channel (17), two sides of the inside of the sleeve (11) are respectively provided with a one-way flow channel (18), two ends of the one-way flow channel (18) are respectively communicated to two end positions of the inside of the inner cavity (13), one-way regulating valves are respectively arranged in the one-way flow channel (18) and the one-way channel (17), and one-way flow directions of the one-way flow channel (18) and the one-way channel (17) are opposite.
4. A pier collision avoidance apparatus having a guiding function according to claim 3, wherein: the caliber of the piston (14) is larger than the caliber of the part of the pull rod (12) penetrating through the sleeve (11), and the part of the pull rod (12) penetrating through the sleeve (11) is provided with a sealing filler (19).
5. The pier collision avoidance apparatus with guiding function according to claim 1, wherein: the self-recovery cylinder (6) comprises a cylinder body (20) and a cylinder nozzle (21), wherein the cylinder nozzle (21) is arranged at the lower end of the cylinder body (20), a cylinder plug (22) is arranged in the cylinder nozzle (21), and a pressure valve (23) and a one-way valve (24) are arranged on the cylinder plug (22).
6. The pier collision avoidance apparatus with guiding function according to claim 5, wherein: the inside of barrel (20) is equipped with resumes gasbag (25), and resumes the inside of gasbag (25) outer around barrel (20) is equipped with the multiunit, and adjacent two sets of resume and be equipped with between gasbag (25) water absorption inflation sponge (26).
7. The pier collision avoidance apparatus with guiding function of claim 6, wherein: one end of the upper connecting plate (7) is fixedly connected with the upper end of the cylinder body (20), one end of the lower connecting plate (8) is provided with a locking hoop (27), and the locking hoop (27) is locked on the outer side of the cylinder mouth (21).
8. The pier collision avoidance apparatus with guiding function of claim 7, wherein: the cylinder body (20) is composed of fluororubber and a ply, the ply is internally arranged in the fluororubber, a plurality of groups of recovery air bags (25) and water-absorbing expansion sponges (26) are wound to form an annular balloon structure, and compressed gas is encapsulated in the recovery air bags (25).
9. The pier collision avoidance apparatus with guiding function according to claim 1, wherein: the inside of outer frame (1) is equipped with buffer chamber (28) that corresponds crashproof unit, the inside that all extends buffer chamber (28) is gone up to the one end of last arbor board (4) and lower arbor board (5), the one end of going up arbor board (4) and lower arbor board (5) all is equipped with limiting plate (29).
10. The pier collision avoidance apparatus with guiding function of claim 9, wherein: the one end inside buffer chamber (28) is equipped with slide bar (30), both sides on slide bar (30) all activity are equipped with sliding sleeve (31), the both sides of limiting plate (29) one end all rotate and are equipped with support arm (32), and both sides the one end of support arm (32) respectively with both sides sliding sleeve (31) articulated, be connected with between the lateral wall of sliding sleeve (31) and buffer chamber (28) buffering shell fragment (33), and buffering shell fragment (33) cover is established in the outside of slide bar (30).
CN202310743606.3A 2023-06-22 2023-06-22 Pier buffer stop with direction function Pending CN116497742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310743606.3A CN116497742A (en) 2023-06-22 2023-06-22 Pier buffer stop with direction function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310743606.3A CN116497742A (en) 2023-06-22 2023-06-22 Pier buffer stop with direction function

Publications (1)

Publication Number Publication Date
CN116497742A true CN116497742A (en) 2023-07-28

Family

ID=87328616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310743606.3A Pending CN116497742A (en) 2023-06-22 2023-06-22 Pier buffer stop with direction function

Country Status (1)

Country Link
CN (1) CN116497742A (en)

Similar Documents

Publication Publication Date Title
CN106382462B (en) A kind of high pressure gas fills technique
CN110670548A (en) A high efficiency leak protection oil seal structure for hydraulic pressure dam
CN202416161U (en) Ship collision proof device of bridge piers
CN105443638A (en) Energy storing type buffer
CN203624761U (en) Shock absorption device of elevator shaft
CN102518618A (en) Hydraulic cylinder
CN116497742A (en) Pier buffer stop with direction function
CN215950240U (en) Pier buffer stop
CN212080518U (en) Air bag type desulfurization pipeline on-line leak stopper
CN211820170U (en) Hydraulic cylinder with buffer function
CN219153931U (en) Wave paper with buffer structure
CN102518619A (en) Elastic buffering hydraulic cylinder
CN213929010U (en) Swing arm hydro-cylinder with prevent destroying protection device
CN216920142U (en) Air pressure buffering anti-collision early warning device for road
CN109987047A (en) A kind of new-energy automobile anti-flooding air bag device
CN105402303A (en) Energy storage buffer
CN114508070A (en) Hydraulic engineering is pressure water tank for drainage station
CN2526588Y (en) Quickly-advancing slowly-returning elastic damping body buffer
CN208204010U (en) A kind of hinged sealing structure of balancing earth-pressure shielding machine concave
CN210397277U (en) Top-repairable capsule type energy accumulator
CN209096076U (en) A kind of motorcycle racing car Special tire shrinks setting drum automatically
CN214530169U (en) Collision-proof capsule with circular ring core
CN114320402B (en) Dangerous rock protection device at top of flood discharge tunnel body
CN214530170U (en) Multi-core tube anti-collision capsule
CN207330034U (en) The good safety device for elevator of protecting effect

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination