A bridge pier protection device and use method thereof

Abstract

The present invention discloses a bridge pier protection device and a method of using the same, including a bridge pier and a supporting tube, wherein the supporting tube is sleeved on the outer side of the middle part of the bridge pier, and a coaxially distributed protective ring is rotatably matched on the outer side of the top end of the supporting tube, and an auxiliary component is arranged on the outer side of the supporting tube below the protective ring; the auxiliary component includes a hollow annular auxiliary cover, and the outer side of the auxiliary cover is sleeved with an upper airbag and a lower airbag arranged vertically, and the upper airbag and the lower airbag are respectively connected to the upper and lower sides of the outer side of the auxiliary cover, and a gear ring is fixed on the bottom side of the protective ring. The beneficial effect is that the present invention contacts floating objects through the protective ring to buffer the impact force, drives the piston ring to slide back and forth up and down in the auxiliary cover through a bidirectional screw, and uses the piston ring to push the air in the auxiliary cover to be alternately transported to the upper airbag and the lower airbag, so that the floating objects are actively pushed away by the two groups of airbags that are alternately expanded, so as to achieve the protective action of the bridge pier, and the protective effect is better.

Description

Technical Field

[0001] The invention relates to the field of bridge structures, and in particular to a bridge pier protection device and a use method thereof. Background Art

[0002] Bridge design needs to take into account the changes in natural factors during the future design life period. It must not only meet the requirements of strength, stiffness, and stability, but also ensure that the structure can still maintain its integrity and stability when the local structure is damaged, so that the structure is reliable, applicable, and durable. Under the action of long-term loads, coupled with years of river scouring and the impact of floating objects, reinforced concrete piers are easily damaged, concrete around the piles fall off, the surrounding friction is reduced, and the supporting load capacity of the piers is reduced.

[0003] The applicant has discovered that there are at least the following technical problems in the prior art: in order to ensure the structural integrity of the bridge pier after being hit by floating objects, it is usually necessary to set a protective device on the outside of the pier. The existing protective device is to wrap a cushion layer on the outside of the pier to buffer the impact force and friction force. The cushion layer has wear problems during long-term use and needs to be replaced regularly. It is also unable to actively push floating objects away from the pier. The protective function is relatively passive and the protective effect is poor. Summary of the invention

[0004] The purpose of the present invention is to provide a bridge pier protection device and a method of using the same in order to solve the above-mentioned problems. The protection ring contacts the floating object to buffer the impact force, and the floating object moves to support the rotation of the protection ring. At this time, the bottom gear ring of the protection ring is used to drive the two-way screw to rotate, and the two-way screw drives the piston ring to slide back and forth up and down in the auxiliary cover. The piston ring is used to push the air in the auxiliary cover alternately to the upper airbag and the lower airbag, so that the floating object is actively pushed away by the two groups of airbags that are alternately expanded, thereby realizing the protection action of the bridge pier, and the protection effect is better. Please see the following description for details.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention provides a bridge pier protection device, comprising a bridge pier and a supporting tube, wherein the supporting tube is sleeved on the outer side of the middle part of the bridge pier, and a coaxially distributed protection ring is rotatably matched on the outer side of the top end of the supporting tube, and an auxiliary component is arranged on the outer side of the supporting tube below the protection ring;

[0007] The auxiliary component includes a hollow annular auxiliary cover, the outer side of the auxiliary cover is provided with an upper airbag and a lower airbag arranged vertically, and the upper airbag and the lower airbag are respectively connected to the upper and lower sides of the outer side of the auxiliary cover, a gear ring is fixed on the bottom side of the protective ring, and two groups of bidirectional screws are arranged in parallel in the middle of the auxiliary cover on both sides of the supporting tube, the bidirectional screw vertically passes through the auxiliary cover, the bidirectional screw is rotatably matched with the auxiliary cover, a piston ring is vertically slidably matched inside the auxiliary cover, the piston ring is threadedly matched with the bidirectional screw, a gear is fixed on the top of the bidirectional screw, and the gear is meshed with the gear ring.

[0008] Preferably, a plurality of groups of vertically penetrating accommodating grooves are arranged around the outer circumference of the protective ring, the accommodating grooves extend radially along the protective ring, and a slider is slidably fitted inside the accommodating groove along its length direction, and a support arm extending radially along the protective ring is fixed to the top side of the slider.

[0009] Preferably, a C-shaped rotating frame with an opening facing outward is fixed to the outer end of the support arm, a guide roller is rotatably fitted inside the rotating frame, the guide roller and the supporting tube are axially parallel to each other, a constraint ring is fixed inside the accommodating groove close to one side of the supporting tube, and a spring is fixed inside the constraint ring and pressed against the side of the slider.

[0010] Preferably, a truncated cone-shaped base is fixed to the bottom end of the pier, and an inverted trapezoidal top platform is provided on the top of the pier. A plurality of mounting frames are provided around the outer circumference of the pier above the supporting tube, and the mounting frames are C-shaped frames with their openings facing the axis of the pier.

[0011] Preferably, the supporting cylinder is a hollow cylinder coaxially sleeved on the outer side of the pier, and a sealed bearing for supporting the protection ring to rotate is provided between the supporting cylinder and the protection ring.

[0012] Preferably, a plurality of groups of adjustment plates are arranged around the top end of the supporting tube corresponding to the mounting frame, the plurality of groups of adjustment plates are distributed around the circumference of the supporting tube, and the adjustment plates extend vertically to the outside of the mounting frame.

[0013] Preferably, a plurality of groups of locking holes are radially penetrated through the middle portion of the adjustment plate along the supporting tube, the plurality of groups of locking holes are evenly distributed along the axial direction of the supporting tube, and a mounting bolt penetrating the locking holes is provided in the middle portion of the mounting frame.

[0014] Preferably, rubber rings are provided at the junctions between the inner and outer sides of the piston ring and the inner and outer sides of the auxiliary cover cavity, and the piston ring is vertically slidably sealed with the inner wall of the auxiliary cover through the rubber ring.

[0015] The method for using the bridge pier protection device is characterized by comprising the following steps:

[0016] a. When the ship hull or floating objects on the outside of the bridge hit the outside of the pier, the impact object first contacts the protective ring on the outside of the support tube, and the impact thrust of the impact object on the outside of the pier drives the protective ring to rotate. At this time, the protective ring rotates to buffer and transfer the impact force;

[0017] b. The gear ring on the bottom side of the protection ring rotates synchronously with the protection ring, and the gear ring drives the gears on both sides and the bidirectional screw to rotate. The bidirectional screw drives the piston ring to slide back and forth up and down inside the auxiliary cover. During the downward movement of the piston ring, the piston ring pushes the air at the bottom side of the auxiliary cover into the lower airbag, inflates the lower airbag, and pushes the impact object on the outside of the pier to separate from the pier.

[0018] c. During the upward movement of the piston ring, the piston ring pushes the air from the top side of the auxiliary cover into the upper airbag, the upper airbag is inflated, and the lower airbag is contracted synchronously, so that the upper airbag and the lower airbag are alternately inflated to push away the impact object that contacts the outer side of the bridge pier;

[0019] d. When the impact object contacts the outer side of the protection ring, it first collides with multiple groups of guide rollers on the outside, and the impact force is buffered by the rotation of the guide rollers. At the same time, the guide rollers move under the support of the rotating frame and the support arm, and the support arm slides along the receiving groove under the support of the slider. The spring in the receiving groove is compressed by the push of the slider, and then the spring is used to further buffer the impact force, completing the protection process of the bridge pier when it is hit by objects in the river.

[0020] The beneficial effects are as follows: the present invention contacts the floating object through the protective ring to buffer the impact force, and supports the rotation of the protective ring through the movement of the floating object. At this time, the bottom side gear ring of the protective ring is used to drive the rotation of the bidirectional screw, and the bidirectional screw drives the piston ring to slide back and forth up and down in the auxiliary cover, and the piston ring is used to push the air in the auxiliary cover alternately to the upper airbag and the lower airbag, so that the floating object is actively pushed away by the two groups of airbags that are alternately expanded, thereby realizing the protection action of the bridge pier and achieving a better protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a main structural diagram of the present invention;

[0023] Figure 2 It is a three-dimensional schematic structural diagram of the present invention;

[0024] Figure 3 It is a schematic diagram of the structural splitting of the present invention;

[0025] Figure 4 Is a schematic diagram of the three-dimensional structure of the protective ring of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the protective ring and auxiliary components of the present invention;

[0027] Figure 6 Is a front cross-sectional view of the present invention;

[0028] Figure 7 It is a schematic diagram of the structural disassembly of the bridge pier and the supporting tube of the present invention.

[0029] The following are the descriptions of the reference numerals:

[0030] 1. Bridge pier; 101. Base; 102. Top platform; 103. Mounting frame; 104. Mounting bolts; 2. Support tube; 201. Adjustment plate; 201a. Lock hole; 3. Protective ring; 301. Gear ring; 302. Accommodation groove; 303. Slider; 304. Support arm; 305. Rotating frame; 306. Guide roller; 307. Constraint ring; 308. Spring; 4. Auxiliary components; 401. Auxiliary cover; 402. Upper air bag; 403. Lower air bag; 404. Piston ring; 405. Bidirectional screw; 406. Gear. DETAILED DESCRIPTION

[0031] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0032] See also Figure 1-Figure 7 As shown, the present invention provides a bridge pier protection device, comprising a pier 1 and a supporting tube 2, wherein the supporting tube 2 is sleeved on the outer side of the middle part of the pier 1, and a coaxially distributed protection ring 3 is rotatably matched on the outer side of the top end of the supporting tube 2, and an auxiliary component 4 is arranged on the outer side of the supporting tube 2 below the protection ring 3;

[0033] The auxiliary component 4 includes a hollow annular auxiliary cover 401, and the outer side of the auxiliary cover 401 is provided with an upper air bag 402 and a lower air bag 403 arranged vertically, and the upper air bag 402 and the lower air bag 403 are respectively connected to the upper and lower sides of the outer side of the auxiliary cover 401, and a gear ring 301 is fixed to the bottom side of the protective ring 3. Two sets of bidirectional screws 405 are arranged in parallel in the middle of the auxiliary cover 401 on both sides of the supporting tube 2. The bidirectional screws 405 vertically pass through the auxiliary cover 401, and the bidirectional screws 405 are rotatably matched with the auxiliary cover 401. The auxiliary cover 401 is vertically slidably matched with a piston ring 404, and the piston ring 404 is threadedly matched with the bidirectional screw 405. The bidirectional screw A gear 406 is fixed on the top of 405, and the gear 406 meshes with the gear ring 301. Therefore, when the protective ring 3 is rubbed and hit by floating objects on the water surface, the protective ring 3 is forced to rotate, and the gear ring 301 on the bottom side of the protective ring 3 drives the gear 406 to drive the bidirectional screw 405 to rotate, and then the bidirectional screw 405 drives the piston ring 404 to slide back and forth up and down in the auxiliary cover 401, and the piston ring 404 is used to push the air in the auxiliary cover 401 alternately into the upper air bag 402 and the lower air bag 403, so that the floating objects that rub against the outside of the pier 1 are pushed away by the two groups of air bags during the inflation process, thereby realizing the protection process of the pier 1.

[0034] As an optional embodiment, a plurality of groups of vertically penetrating receiving grooves 302 are arranged around the outer circumference of the protection ring 3, the receiving grooves 302 extend radially along the protection ring 3, and a slider 303 is slidably fitted inside the receiving grooves 302 along the length direction thereof, a support arm 304 extending radially along the protection ring 3 is fixed on the top side of the slider 303, a C-shaped rotating frame 305 with an opening facing outward is fixed on the outer end of the support arm 304, a guide roller 306 is rotatably fitted inside the rotating frame 305, the guide roller 306 is axially parallel to the supporting cylinder 2, a restraining ring 307 is fixed on one side of the receiving groove 302 close to the supporting cylinder 2, a spring 308 pressed against the side of the slider 303 is fixed inside the restraining ring 307, and the slider 303 is pressed tightly by the spring 308 to ensure that when a floating object contacts the guide roller 306, the impact force can be buffered and protected by the spring 308;

[0035] A truncated cone-shaped base 101 is fixed at the bottom end of the pier 1, and an inverted trapezoidal top platform 102 is arranged at the top of the pier 1. A plurality of mounting frames 103 are arranged around the outer circumference of the pier 1 above the supporting cylinder 2. The mounting frame 103 is a C-shaped frame with an opening facing the axis of the pier 1. The supporting cylinder 2 is a hollow cylinder coaxially sleeved on the outside of the pier 1. A sealed bearing supporting the rotation of the protective ring 3 is arranged between the supporting cylinder 2 and the protective ring 3. A plurality of adjustment plates 201 are arranged around the top end of the supporting cylinder 2 corresponding to the mounting frame 103. The plurality of adjustment plates 201 are distributed around the circumference of the supporting cylinder 2, and the adjustment plates 201 extend vertically to the outside of the mounting frame 103. The middle part of the adjustment plate 201 is arranged along the supporting cylinder 2. 2 There are multiple groups of lock holes 201a radially penetrating, and the multiple groups of lock holes 201a are evenly distributed along the axial direction of the supporting tube 2, and a mounting bolt 104 penetrating the lock holes 201a is provided in the middle of the mounting frame 103. By adjusting the fixing positions of the multiple lock holes 201a on the outer adjustment plate 201 of the supporting tube 2 on the outer mounting frame 103 of the pier 1, the fixed height of the supporting tube 2 on the outer side of the pier 1 can be changed, so as to facilitate the adjustment of the height of the supporting tube 2 and drive the outer protective ring 3 to adjust the height, ensure that the height position of the protective ring 3 is flush with the water surface, so as to ensure that the floating objects contact the protective ring 3, and then facilitate the adjustment of the structural position of the protective device according to the actual situation to improve the protective effect;

[0036] Rubber rings are provided at the junctions between the inner and outer sides of the piston ring 404 and the inner and outer sides of the auxiliary cover 401 cavity, and the piston ring 404 is vertically slidably sealed with the inner wall of the auxiliary cover 401 through the rubber ring, thereby improving the sealing effect at the junction of the piston ring 404 and the inner side of the auxiliary cover 401;

[0037] The method for using the bridge pier protection device is characterized by comprising the following steps:

[0038] a. When an object such as a ship hull or floating objects on the outside of the bridge hits the outside of the pier 1, the impact object first contacts the protection ring 3 on the outside of the support tube 2, and the impact thrust of the impact object contacting the outside of the pier 1 drives the protection ring 3 to rotate. At this time, the protection ring 3 rotates to buffer and transfer the impact force;

[0039] b. The gear ring 301 on the bottom side of the protection ring 3 rotates synchronously with the protection ring 3, and the gear ring 301 drives the gears 406 on both sides and the bidirectional screw 405 to rotate, and the bidirectional screw 405 drives the piston ring 404 to slide back and forth up and down inside the auxiliary cover 401. During the downward movement of the piston ring 404, the piston ring 404 pushes the air at the bottom side of the auxiliary cover 401 into the lower airbag 403, inflates the lower airbag 403, and pushes the impact object on the outside of the pier 1 to separate from the pier 1;

[0040] c. During the upward movement of the piston ring 404, the piston ring 404 pushes the air at the top side of the auxiliary cover 401 into the upper airbag 402, the upper airbag 402 is inflated, and the lower airbag 403 is contracted synchronously, so that the upper airbag 402 and the lower airbag 403 are alternately inflated to push away the impact object that contacts the outer side of the pier 1;

[0041] d. When the impact object contacts the outer side of the protection ring 3, the impact object first collides with the multiple groups of guide rollers 306 on the outer side, and the guide rollers 306 rotate to buffer the impact force. At the same time, the guide rollers 306 are forced to move under the support of the rotating frame 305 and the support arm 304. The support arm 304 slides along the accommodating groove 302 under the support of the slider 303. The spring 308 in the accommodating groove 302 is pushed by the slider 303 to generate compression, and then the spring 308 is used to further buffer the impact force, thereby completing the protection process of the bridge pier 1 when it is hit by objects in the river.

[0042] The protective ring 3 contacts the floating object to buffer the impact force, and the floating object moves to support the rotation of the protective ring 3. At this time, the bottom side gear ring 301 of the protective ring 3 is used to drive the bidirectional screw 405 to rotate, and the bidirectional screw 405 drives the piston ring 404 to slide back and forth up and down in the auxiliary cover 401. The piston ring 404 is used to push the air in the auxiliary cover 401 alternately to the upper airbag 402 and the lower airbag 403, so that the floating object is actively pushed away by the two groups of airbags that are alternately expanded, so as to realize the protection action of the bridge pier 1 and achieve a better protection effect.

[0043] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A method for using a bridge pier protection device, characterized in that: It comprises a bridge pier (1) and a supporting cylinder (2), wherein the supporting cylinder (2) is sleeved on the outer side of the middle part of the bridge pier (1), and a coaxially distributed protective ring (3) is rotatably matched on the outer side of the top end of the supporting cylinder (2), and an auxiliary component (4) is arranged on the outer side of the supporting cylinder (2) below the protective ring (3); The auxiliary component (4) comprises a hollow annular auxiliary cover (401), the outer side of the auxiliary cover (401) is provided with an upper air bag (402) and a lower air bag (403) arranged vertically, and the upper air bag (402) and the lower air bag (403) are respectively connected to the upper and lower sides of the outer side of the auxiliary cover (401), a gear ring (301) is fixed to the bottom side of the protective ring (3), and two sets of bidirectional air bags (301) are arranged in parallel in the middle of the auxiliary cover (401) on both sides of the support tube (2) A screw rod (405), the bidirectional screw rod (405) vertically passes through the auxiliary cover (401), the bidirectional screw rod (405) and the auxiliary cover (401) are rotationally matched, a piston ring (404) is vertically slidably matched inside the auxiliary cover (401), the piston ring (404) and the bidirectional screw rod (405) are threadedly matched, a gear (406) is fixed at the top of the bidirectional screw rod (405), and the gear (406) is meshed with the gear ring (301); The outer circumference of the protection ring (3) is surrounded by a plurality of groups of vertically penetrating accommodating grooves (302), the accommodating grooves (302) extending radially along the protection ring (3), and a slider (303) is slidably fitted inside the accommodating groove (302) along its length direction, and a support arm (304) extending radially along the protection ring (3) is fixed to the top side of the slider (303): A C-shaped rotating frame (305) with an opening facing outward is fixed to the outer end of the support arm (304); a guide roller (306) is rotatably matched inside the rotating frame (305); the guide roller (306) and the supporting cylinder (2) are axially parallel to each other; a restraining ring (307) is fixed inside the accommodating groove (302) on one side close to the supporting cylinder (2); a spring (308) is fixed inside the restraining ring (307) and is pressed against the side of the slider (303); The method of use includes the following steps: a. When a ship hull or floating object on the outer side of the bridge hits the outer side of the bridge pier (1), the impact object first contacts the protection ring (3) on the outer side of the supporting cylinder (2), and the impact thrust of the impact object contacting the outer side of the bridge pier (1) drives the protection ring (3) to rotate. At this time, the impact force is buffered and transferred by the rotation of the protection ring (3); b. The gear ring (301) on the bottom side of the protection ring (3) rotates synchronously with the protection ring (3), and the gear ring (301) drives the gears (406) on both sides and the bidirectional screw (405) to rotate, and the bidirectional screw (405) drives the piston ring (404) to slide back and forth up and down inside the auxiliary cover (401). During the downward movement of the piston ring (404), the piston ring (404) pushes the air at the bottom side of the auxiliary cover (401) into the lower airbag (403), and the lower airbag (403) is inflated, so that the impact object on the outside of the bridge pier (1) is pushed away from the bridge pier (1) by the lower airbag (403); c. During the upward movement of the piston ring (404), the piston ring (404) pushes the air at the top side of the auxiliary cover (401) into the upper airbag (402), the upper airbag (402) is inflated, and the lower airbag (403) is contracted synchronously, so that the upper airbag (402) and the lower airbag (403) are alternately inflated to push away the impact object that contacts the outer side of the bridge pier (1); d. When the impact object contacts the outer side of the protection ring (3), the impact object first collides with the outer multiple groups of guide rollers (306), and the guide rollers (306) rotate to buffer the impact force. At the same time, the guide rollers (306) are forced to move under the support of the rotating frame (305) and the support arm (304), and the support arm (304) slides along the receiving groove (302) under the support of the slider (303). The spring (308) in the receiving groove (302) is pushed by the slider (303) to generate compression, and then the spring (308) is used to further buffer the impact force, thereby completing the protection process of the bridge pier (1) when it is hit by a river object.

2. The method for using the bridge pier protection device according to claim 1, characterized in that: A truncated cone-shaped base (101) is fixed at the bottom end of the pier (1), and an inverted trapezoidal top platform (102) is arranged at the top end of the pier (1). A plurality of mounting frames (103) are arranged around the outer circumference of the pier (1) above the supporting cylinder (2), and the mounting frames (103) are C-shaped frames with openings facing the axis of the pier (1).

3. The method for using the bridge pier protection device according to claim 2 is characterized by: The support cylinder (2) is a hollow cylinder coaxially sleeved on the outside of the pier (1), and a sealed bearing supporting the rotation of the protection ring (3) is provided between the support cylinder (2) and the protection ring (3).

4. The method for using the bridge pier protection device according to claim 3 is characterized by: A plurality of groups of adjustment plates (201) are arranged around the top end of the support tube (2) corresponding to the mounting frame (103); the plurality of groups of adjustment plates (201) are distributed around the circumference of the support tube (2), and the adjustment plates (201) extend vertically to the outside of the mounting frame (103).

5. The method for using the bridge pier protection device according to claim 4 is characterized by: The middle portion of the adjustment plate (201) is provided with a plurality of groups of locking holes (201a) radially penetrating the support tube (2), the plurality of groups of locking holes (201a) being evenly distributed along the axial direction of the support tube (2), and the middle portion of the mounting frame (103) is provided with mounting bolts (104) penetrating the locking holes (201a).

6. The method for using the bridge pier protection device according to claim 1, characterized in that: Rubber rings are provided at the junctions between the inner and outer sides of the piston ring (404) and the inner and outer sides of the auxiliary cover (401) cavity, and the piston ring (404) is vertically slidably sealed with the inner wall of the auxiliary cover (401) through the rubber rings.

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