CN211973288U

CN211973288U - Anti-cracking device for highway bridge

Info

Publication number: CN211973288U
Application number: CN201921957825.7U
Authority: CN
Inventors: 陈坦坦; 连松岭
Original assignee: Shaanxi Fulinyuan Road And Bridge Construction Co ltd
Current assignee: Shaanxi Fulinyuan Road And Bridge Construction Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-20
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a crack control device for public road bridge roof beam, including pre-buried pile and pier, the upper surface rigid coupling of pre-buried pile has the pier, the equal rigid coupling in the outer wall bottom left and right sides of pier has the arc, the arc is connected with pre-buried pile through bradyseism crack control mechanism. This anti-cracking device for highway bridge, in the in-process of using, through the pre-buried stake, the pier, cooperation between arc and the buffering crack control mechanism, articulate the couple with the link mutually the back, adjust the effort of extension spring to the link rotating the knob, and then the buffering crack control mechanism is installed comparatively fast enough with between pre-buried stake and the pier, and extension spring can adjust the effort size of link, do benefit to the effect idealization of bradyseism crack control, through the pre-buried stake, the pier, cooperation between arc and the buffering anticollision institution, can provide certain guard action to the vehicle of coming and going, can effectively avoid strikeing because of the vehicle, lead to the pier crack to decrease the condition and appear.

Description

Anti-cracking device for highway bridge

Technical Field

The utility model relates to a bridge protection technical field specifically is a crack control device for public road bridge roof beam.

Background

Public road bridge roof beam, generally by road bed, road surface, bridge, tunnel engineering and traffic engineering facility etc. several major parts are constituteed, and public road bridge roof beam's crack control factor decision point is many, and one of them is the protection to public road bridge pier one of the most important, for example application number is 201820541464.7's patent, including base and connecting plate, the pile foundation has been pour to base top outer wall, and base top outer wall opens has four sliding tray, and four sliding tray are located four corners of base top outer wall respectively, though can play the efficiency of bradyseism crack control to public road bridge roof beam's pier.

But the operation is comparatively loaded down with trivial details in concrete actual installation, and can't be according to the actual conditions control damper assembly's of specific pier elasticity size, and then leads to the bradyseism crack control effect to reach the idealization, and can't play the guard action to the vehicle of coming and going in the use, and it leads to the highway bridge pier crack condition to appear to suffer from the vehicle impact long, and practicality remains to be strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crack control device for public road bridge roof beam to the operation is comparatively loaded down with trivial details in concrete actual installation in-process that proposes in solving above-mentioned background art, and can't be according to the actual conditions control damper assembly's of concrete pier elasticity size, and then leads to the bradyseism crack control effect to reach the not idealization problem.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-cracking device for a highway bridge comprises a pre-buried pile and piers, wherein the piers are fixedly connected to the upper surface of the pre-buried pile, arc-shaped plates are fixedly connected to the left side and the right side of the bottom end of the outer wall of each pier, and the arc-shaped plates are connected with the pre-buried pile through a cushioning anti-cracking mechanism;

the shock-absorbing anti-cracking mechanism comprises a cylinder, a knob, a first bearing, a first bevel gear, a second bevel gear, a screw, a semicircular plate, a second bearing, a sleeve, a first square plate, an extension spring, a second square plate, a pull rod, a hook, a pin shaft and a hanging ring;

the two cylinders are respectively positioned at the left side and the right side of the pier, knobs are inserted into the outer walls of the cylinders, a part of each knob penetrates through the cylinders and extends to the inner cavities of the cylinders, the knobs are rotationally connected with the cylinders through first bearings, a first bevel gear is fixedly connected to the right side of each knob, second bevel gears are meshed and connected to the upper end and the lower end of each first bevel gear, a screw rod is fixedly connected to the outer side surface center of each second bevel gear, a semicircular plate is sleeved on the inner side of the outer wall of the screw rod and is rotationally connected with the screw rod through a second bearing, the semicircular plate is fixedly connected with the inner wall of the cylinder, a sleeve is sleeved on the outer side of the outer wall of the screw rod and is in threaded connection with the screw rod, a first square plate is fixedly connected to the outer side end of the sleeve, an extension spring is fixedly connected to the other side of the first square plate, and a, the utility model discloses a pile pre-buried pile, including drum, second square plate, first square plate, another side rigid coupling of second square plate have the pull rod, the outside that the drum was run through and extended to the drum is all with the inner wall clearance fit of drum, the another side rigid coupling of second square plate has the pull rod, a part of pull rod runs through the drum and extends to the drum, the other end of pull rod is equipped with the couple, the couple rotates with the pull rod through the round pin axle and links to each other, the link has been hung to the other end inboard of couple, and the top is two the link rigid coupling is respectively at the outside surface of two arcs, and the bottom. The buffering anti-cracking mechanism can be installed between the embedded pile and the pier relatively quickly, the elastic coefficient of the damping component can be adjusted, and the ideal effect of buffering anti-cracking is facilitated.

Preferably, the center points of the knob and the first bevel gear are located on the same line. Thus, the first bevel gear can rotate concentrically when the knob rotates.

Preferably, a rubber soft sleeve is fixedly connected to the contact surface of the cylinder and the pull rod. This provides damping for the up and down movement of the drawbar.

Preferably, the outer side of the outer wall of the knob is processed with grinding grains. The abrasive grain can increase the friction outside the outer wall of the knob.

Preferably, the first square plate and the cylinder form a limiting sliding structure. The drum can play limiting displacement to first square, and first square can slide from top to bottom in the inside of drum, but first square self can't rotate.

Preferably, the left side and the right side of the pier are both provided with a buffer anti-collision mechanism;

the buffer anti-collision mechanism comprises a baffle, a groove, a first compression spring, a first rubber cylinder, a first support rod, a transverse cylinder, a second compression spring, a second rubber cylinder and a second support rod;

the two baffles are respectively positioned at the left side and the right side of the pier, the top ends of the inner side surfaces of the baffles are fixedly connected with second support rods, the inner sides of the outer walls of the second support rods are sleeved with transverse cylinders, the inner sides of the two transverse cylinders are respectively fixedly connected with the top ends of the outer surfaces of the two arc-shaped plates, the inner sides of the transverse cylinders are fixedly connected with second compression springs, the other ends of the second compression springs are fixedly connected with the second support rods, the contact surfaces of the transverse cylinders and the second support rods are fixedly connected with second rubber cylinders, the second rubber cylinders are in interference fit with the second support rods, the two grooves are respectively arranged at the left side and the right side of the inner top end of the pre-embedded pile, the inner sides of the grooves are fixedly connected with first compression springs, the other ends of the first compression springs are fixedly connected with first support rods, the contact surfaces of the first support rods and the pre-embedded pile are fixedly connected with first rubber cylinders, and, the first rubber cylinder is in interference fit with the first supporting rod, and the first supporting rod is fixedly connected with the baffle. The baffle can provide certain guard action to the vehicle of coming and going, can effectively avoid leading to the pier to split the condition and decrease the appearance because of the vehicle strikes.

Preferably, the outer side surface of the baffle is fixedly connected with a soft plate. The soft board is made of rubber materials, has certain toughness, and can increase the toughness of the outer side surface of the baffle.

Preferably, the first supporting rod and the second supporting rod are vertically symmetrical relative to the center point of the baffle. The first supporting rod and the second supporting rod can evenly stress the baffle.

Compared with the prior art, the beneficial effects of the utility model are that: this anti-cracking device for highway bridge, in the in-process of using, through the cooperation between pre-buried stake, pier, arc and the bradyseism anti-cracking mechanism, articulate the back with couple and link mutually, adjust extension spring to the effort of link rotating the knob, and then the bradyseism anti-cracking mechanism enough comparatively fast and install between pre-buried stake and the pier, and extension spring can adjust the effort size of link, does benefit to the effect idealization of bradyseism anti-cracking.

Through the pre-buried stake, the pier, cooperation between arc and the buffering anticollision institution, when the incoming and outgoing vehicle bumped to the pier carelessly, the vehicle at first can contact with the cushion in the baffle outside, cushion and first compression spring pressure and second compression spring compress, can cushion the impact force of vehicle, and first rubber sleeve and second rubber sleeve can improve the slip damping for first branch and second branch, can provide certain guard action to the incoming and outgoing vehicle, can effectively avoid because of the vehicle strikes, lead to the pier to split and lose the condition to appear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of the pre-buried pile, the pier and the earthquake and crack prevention mechanism in FIG. 1;

FIG. 3 is a schematic view of the connection of the cylinder, knob and second bevel gear of FIG. 2;

FIG. 4 is a schematic view of the connection structure of the sleeve, the pull rod and the hook of FIG. 2;

fig. 5 is a schematic view of a connection structure of the pre-buried pile, the arc-shaped plate and the buffer anti-collision mechanism in fig. 1.

In the figure: 1. the pile comprises a pre-embedded pile, 2, a pier, 3, an arc-shaped plate, 4, a cushioning and anti-cracking mechanism, 401, a cylinder, 402, a knob, 403, a first bearing, 404, a first bevel gear, 405, a second bevel gear, 406, a screw, 407, a semicircular plate, 408, a second bearing, 409, a sleeve, 410, a first square plate, 411, a tension spring, 412, a second square plate, 413, a pull rod, 414, a hook, 415, a pin shaft, 416, a hanging ring, 5, a buffering and anti-collision mechanism, 501, a baffle, 502, a soft plate, 503, a groove, 504, a first compression spring, 505, a first rubber cylinder, 506, a first support rod, 507, a transverse cylinder, 508, a second compression spring, 509, a second rubber cylinder, 510 and a second support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a crack control device for highway bridge technical scheme: an anti-cracking device for a highway bridge comprises a pre-buried pile 1 and piers 2, wherein the piers 2 are fixedly connected to the upper surface of the pre-buried pile 1, arc-shaped plates 3 are fixedly connected to the left side and the right side of the bottom end of the outer wall of each pier 2, the two arc-shaped plates 3 are fixedly connected with nuts through bolts, the two arc-shaped plates 3 are tightly abutted to the piers 2, the arc-shaped plates 3 are connected with the pre-buried pile 1 through a shock-absorbing anti-cracking mechanism 4, the shock-absorbing anti-cracking mechanism 4 comprises a cylinder 401, a knob 402, a first bearing 403, a first bevel gear 404, a second bevel gear 405, a screw 406, a semicircular plate 407, a second bearing 408, a sleeve 409, a first square plate 410, a tension spring 411, a second square plate 412, a pull rod 413, a hook 414, a pin 415 and a hanging ring 416, the two cylinders 401 are respectively located on the left side and the right side of each pier 2, the knob 402 is inserted into the, the knob 402 is rotatably connected with the cylinder 401 through a first bearing 403, the inner ring of the first bearing 403 is fixedly connected with the knob 402, the outer ring of the first bearing 403 is fixedly connected with the cylinder 401, the right side of the knob 402 is fixedly connected with a first bevel gear 404, the upper end and the lower end of the first bevel gear 404 are respectively connected with a second bevel gear 405 in a meshing manner, the outer surface center of the second bevel gear 405 is fixedly connected with a screw 406, the inner side of the outer wall of the screw 406 is sleeved with a semicircular plate 407, the semicircular plate 407 is rotatably connected with the screw 406 through a second bearing 408, the inner ring of the second bearing 408 is fixedly connected with the screw 406, the outer ring of the second bearing 408 is fixedly connected with the semicircular plate 407, the semicircular plate 407 is fixedly connected with the inner wall of the cylinder 401, the outer side of the outer wall of the screw 406 is sleeved with a sleeve 409, the sleeve 409 is in threaded connection with the screw 406, the outer side end part of, the coefficient of the extension spring 411 is 20-80N/CM, the other end of the extension spring 411 is fixedly connected with a second square plate 412, the second square plate 412 and the first square plate 410 are in clearance fit with the inner wall of the cylinder 401, the other side of the second square plate 412 is fixedly connected with a pull rod 413, a part of the pull rod 413 penetrates through the cylinder 401 and extends to the outer side of the cylinder 401, the other end of the pull rod 413 is provided with a hook 414, the hook 414 is rotatably connected with the pull rod 413 through a pin shaft 415, the inner side of the other end of the hook 414 is connected with a hanging ring 416, the two hanging rings 416 at the top end are respectively fixedly connected with the outer side surfaces of the two arc-shaped plates 3, the two hanging rings 416 at the bottom end are respectively fixedly connected with the left side and the right side of the upper surface of the pre-embedded pile 1, the center points of the knob 402 and the first bevel gear 404 are both located on the same line, the first bevel gear 404 can concentrically rotate in, the soft cover of rubber is made for the rubber material, certain toughness has, the soft cover of rubber links to each other with drum 401 is fixed, the soft cover of rubber and pull rod 413 interference fit, can provide the damping for reciprocating of pull rod, the outer wall outside processing of knob 402 has the mill line, the mill line can increase knob 402 outer wall outside frictional force, first square plate 410 constitutes spacing sliding structure with drum 401, drum 401 can play limiting displacement to first square plate 410, first square plate 410 can slide from top to bottom in drum 401's inside, but first square plate 410 self can't rotate.

The left side and the right side of the pier 2 are respectively provided with a buffer anti-collision mechanism 5, each buffer anti-collision mechanism 5 comprises a baffle 501, a groove 503, a first compression spring 504, a first rubber tube 505, a first support rod 506, a transverse tube 507, a second compression spring 508, a second rubber tube 509 and a second support rod 510, the two baffles 501 are respectively positioned on the left side and the right side of the pier 2, the top end of the inner side surface of each baffle 501 is fixedly connected with the second support rod 510, the inner side of the outer wall of each second support rod 510 is sleeved with the transverse tube 507, the inner sides of the two transverse tubes 507 are respectively fixedly connected with the top ends of the outer surfaces of the two arc-shaped plates 3, the inner side of each transverse tube 507 is fixedly connected with the second compression spring 508, the elastic coefficients of the second compression spring 508 and the second compression spring 504 are large enough to play a role in buffering action force when the baffle 501 is impacted by a vehicle, the other end of the second compression spring 508 is fixedly connected with the second support rod 510, the second rubber tube 509 is in interference fit with the second supporting rod 510, the two grooves 503 are respectively arranged on the left side and the right side of the top end inside the embedded pile 1, the first compression spring 504 is fixedly connected to the inner side of the groove 503, the first supporting rod 506 is fixedly connected to the other end of the first compression spring 504, the first rubber tube 505 is fixedly connected to the contact surface of the first supporting rod 506 and the embedded pile 1, the first rubber sleeve 505 and the second rubber sleeve 509 are both made of rubber materials and have certain toughness, the first rubber tube 505 is fixedly connected to the embedded pile 1, the first rubber tube 505 is in interference fit with the first supporting rod 506, the first supporting rod 506 is fixedly connected to the baffle 501, the soft plate 502 is fixedly connected to the outer side surface of the baffle 501, the soft plate 502 is made of rubber materials and has certain toughness, the toughness of the outer side surface of the baffle 501 can be increased, the first supporting rod 506 and the second supporting rod 510 are vertically symmetrical relative to the center point of the baffle 501, the first support rod 506 and the second support rod 510 can uniformly bear the force on the baffle 501.

When the anti-cracking device for the highway bridge is used, firstly, two hooks 414 in the shock absorption anti-cracking mechanism 4 are respectively hooked with a hanging ring 416 on the outer side of the arc-shaped plate 3 and a hanging ring 416 on the upper surface of the embedded pile 1, then the first bevel gear 404 is rotated by rotating the knob 402, the second bevel gear 405 can be rotated due to the meshing relationship between the second bevel gear 405 and the first bevel gear 404, the screw 406 can be rotated during the rotation of the second bevel gear 405, the first square plate 410 can be moved inside the cylinder 401 due to the threaded connection relationship between the sleeve 409 and the screw 406 and the sliding limit of the cylinder 401 on the first square plate 410, then the acting force of the tension spring 411 on the hanging ring 416 can be adjusted, the shock absorption anti-cracking mechanism 4 can be rapidly installed between the embedded pile 1 and the pier 2, and the acting force of the tension spring 411 on the hanging ring 416 can be adjusted, do benefit to the idealization of bradyseism crack control's effect, when the incoming and outgoing vehicle bumped to pier 2 carelessly, the vehicle at first can contact with the cushion 502 in the baffle 501 outside, and first branch 506 and second branch 510 all move to the inboard, first compression spring 504 and second compression spring 508 all compress, the impact force to the vehicle cushions, and first rubber sleeve 505 and second rubber sleeve 509 can improve the slip damping for first branch 506 and second branch 510, can provide certain guard action to the incoming and outgoing vehicle, can effectively avoid impacting because of the vehicle, lead to pier 2 crack to decrease the condition and appear.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crack control device for public road bridge roof beam, includes pre-buried stake (1) and pier (2), the upper surface rigid coupling of pre-buried stake (1) has pier (2), its characterized in that: the left side and the right side of the bottom end of the outer wall of the pier (2) are fixedly connected with arc-shaped plates (3), and the arc-shaped plates (3) are connected with the embedded pile (1) through a cushioning anti-cracking mechanism (4);

the cushioning and anti-cracking mechanism (4) comprises a cylinder (401), a knob (402), a first bearing (403), a first bevel gear (404), a second bevel gear (405), a screw (406), a semicircular plate (407), a second bearing (408), a sleeve (409), a first square plate (410), a tension spring (411), a second square plate (412), a pull rod (413), a hook (414), a pin shaft (415) and a hanging ring (416);

the two cylinders (401) are respectively positioned at the left side and the right side of the pier (2), knobs (402) are inserted into the outer walls of the cylinders (401), a part of the knobs (402) penetrate through the cylinders (401) and extend to the inner cavities of the cylinders (401), the knobs (402) are rotatably connected with the cylinders (401) through first bearings (403), first bevel gears (404) are fixedly connected to the right sides of the knobs (402), the upper ends and the lower ends of the first bevel gears (404) are respectively connected with second bevel gears (405) in a meshed mode, screws (406) are fixedly connected to the centers of the outer side surfaces of the second bevel gears (405), semicircular plates (407) are sleeved on the inner sides of the outer walls of the screws (406), the semicircular plates (407) are rotatably connected with the screws (406) through second bearings (408), the semicircular plates (407) are fixedly connected with the inner walls of the cylinders (401), and sleeves (409) are sleeved on the outer sides of the outer walls of the screws (406), the sleeve (409) is in threaded connection with the screw (406), a first square plate (410) is fixedly connected to the outer end of the sleeve (409), a tension spring (411) is fixedly connected to the other side of the first square plate (410), a second square plate (412) is fixedly connected to the other end of the tension spring (411), the second square plate (412) and the first square plate (410) are in clearance fit with the inner wall of the cylinder (401), a pull rod (413) is fixedly connected to the other side of the second square plate (412), a part of the pull rod (413) penetrates through the cylinder (401) and extends to the outer side of the cylinder (401), a hook (414) is arranged at the other end of the pull rod (413), the hook (414) is rotatably connected with the pull rod (413) through a pin shaft (415), a hanging ring (416) is hung on the inner side of the other end of the hook (414), and two hanging rings (416) at the top ends are fixedly connected to the outer side surfaces of the two arc-shaped plates (3) respectively, the two suspension rings (416) at the bottom end are fixedly connected to the left side and the right side of the upper surface of the embedded pile (1) respectively.

2. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the central points of the knob (402) and the first bevel gear (404) are all located on the same line.

3. The anti-cracking device for the road bridge as claimed in claim 1, wherein: a rubber soft sleeve is fixedly connected with the contact surface of the cylinder (401) and the pull rod (413).

4. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the outer side of the outer wall of the knob (402) is processed with grinding grains.

5. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the first square plate (410) and the cylinder (401) form a limiting sliding structure.

6. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the left side and the right side of the pier (2) are provided with buffer anti-collision mechanisms (5);

the buffer anti-collision mechanism (5) comprises a baffle (501), a groove (503), a first compression spring (504), a first rubber cylinder (505), a first support rod (506), a transverse cylinder (507), a second compression spring (508), a second rubber cylinder (509) and a second support rod (510);

two baffle (501) are located the left and right sides of pier (2) respectively, the inboard surface top rigid coupling of baffle (501) has second branch (510), horizontal section of thick bamboo (507) has been cup jointed to the outer wall inboard of second branch (510), two the inboard rigid coupling respectively on the surface top of two arcs (3) of horizontal section of thick bamboo (507), the inside inboard rigid coupling of horizontal section of thick bamboo (507) has second compression spring (508), the other end and the second branch (510) of second compression spring (508) are fixed continuous, the contact surface department rigid coupling of horizontal section of thick bamboo (507) and second branch (510) has second rubber tube (509), second rubber tube (509) and second branch (510) interference fit, two recess (503) are seted up respectively in the inside top left and right sides of pre-buried pile (1), the inside inboard rigid coupling of recess (503) has first compression spring (504), the other end rigid coupling of first compression spring (504) has first branch (506), the contact surface department rigid coupling of first branch (506) and embedded pile (1) has first rubber tube (505), first rubber tube (505) is fixed continuous with embedded pile (1), first rubber tube (505) and first branch (506) interference fit, first branch (506) are fixed continuous with baffle (501).

7. The anti-cracking device for the road bridge as claimed in claim 6, wherein: the outer side surface of the baffle (501) is fixedly connected with a soft board (502).

8. The anti-cracking device for the road bridge as claimed in claim 6, wherein: the first supporting rod (506) and the second supporting rod (510) are symmetrical up and down relative to the central point of the baffle plate (501).