CN216515092U

CN216515092U - Semi-rigid pier beam connecting structure without transmitting bending moment

Info

Publication number: CN216515092U
Application number: CN202122520344.3U
Authority: CN
Inventors: 赵新; 李敬彬; 冯德祥; 庞永国; 杜海龙; 朱子旺; 张立法
Original assignee: Liaocheng Transportation Development Co ltd
Current assignee: Liaocheng Transportation Development Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-13
Anticipated expiration: 2031-10-20

Abstract

The application discloses semi-rigid mound roof beam joint construction of moment of flexure does not transmit relates to bridge engineering technical field, and its technical scheme includes the roof beam body and pier, the top surface fixed mounting of pier has the supporting seat, be equipped with the spring between supporting seat and the roof beam body, the top surface fixed connection of spring one end and supporting seat, the bottom surface fixed connection of the other end and the roof beam body, the vertical mounting groove of having seted up of top surface of supporting seat, the removable stand that is equipped with in the mounting groove, the stand passes the spring, the roof beam body with the mounting hole has been seted up to the corresponding position of stand, be equipped with the slide bar in the mounting hole, the vertical downwardly extending of slide bar, the cover is equipped with the fixed subassembly that is used for connecting the stand on the slide bar, and this application has the easy condition of splitting in mound top negative moment district that reduces the pier, improves the security of pier.

Description

Semi-rigid pier beam connecting structure without transmitting bending moment

Technical Field

The application relates to the technical field of bridge engineering, in particular to a semi-rigid pier-beam connecting structure without transmitting bending moment.

Background

The bridge pier is an important part in the development history of bridges, determines the load capacity of the bridge, and as the traffic volume of roads increases, the load capacity of highways and bridges rises, and the bearing capacity of the highways and bridges is saturated day by day, so that many bridges are in a stop state due to serious overload problems, and the bridge pier is an intermediate support structure except for bridge abutment with two ends connected with embankment in the bridges with two or more holes, and has enough strength and stability.

At present, common continuous rigid frame bridges, namely multi-span rigid frame bridges and multi-span continuous rigid frame bridges with main spans being continuous beams, are of prestressed concrete structures, have more than two main piers, are fixedly connected between piers and bridges, so that the arrangement of supports is reduced, the spanning capacity is high, the construction difficulty is low, and the maintenance is simple, therefore, the continuous rigid frame bridges are quite common in bridge construction.

In view of the above-mentioned related technologies, the inventor believes that the bridge and the bridge pier of the continuous rigid frame bridge are fixed by adopting the fixing method, and although the arrangement of the support is reduced, the hogging moment area at the top of the bridge is easy to crack, so that the safety problem exists, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy problem that ftractures in pier top hogging moment district, this application provides a semi-rigid mound roof beam connection structure who does not transmit moment of flexure.

The application provides a semi-rigid mound roof beam connection structure who does not transmit moment of flexure adopts following technical scheme:

the utility model provides a do not transmit semi-rigid mound roof beam joint construction of moment of flexure, includes the roof beam body and pier, the top surface fixed mounting of pier has the supporting seat, be equipped with the spring between supporting seat and the roof beam body, the top surface fixed connection of spring one end and supporting seat, the bottom surface fixed connection of the other end and the roof beam body, the vertical mounting groove of having seted up of top surface of supporting seat, the removable stand that is equipped with in the mounting groove, the stand passes the spring, the roof beam body with the mounting hole has been seted up to the corresponding position of stand, be equipped with the slide bar in the mounting hole, the vertical downwardly extending of slide bar, the cover is equipped with the fixed subassembly that is used for connecting the stand on the slide bar.

Through adopting above-mentioned technical scheme, the spring of setting, the one end and the supporting seat fixed connection of spring, the bottom surface fixed connection of the other end and the roof beam body, and couple together slide bar and stand through the fixed subassembly that sets up, stand and slide bar cover are established in the spring for form half rigid connection between spring and stand and the slide bar, the moment resistance ability of effectual improvement pier roof beam avoids the pier fracture, improves the security.

Optionally, the fixed subassembly includes that the slip cap establishes the sleeve on the slide bar, the sleeve is close to the one end of stand is the opening setting, and the open-ended both sides wall is provided with the screw thread, the sleeve with stand threaded connection, the one end that the roof beam body was kept away from to the slide bar is equipped with and is used for restricting telescopic locating part.

Through adopting above-mentioned technical scheme, the sleeve that sets up, the sleeve is established on the slide bar through the cover, can slide on the slide bar, when the sleeve slided downwards and is close to the stand, further makes the sleeve can with stand threaded connection through the locating part to make the sleeve effectively couple together slide bar and stand.

Optionally, the locating part includes that fixed connection keeps away from the stopper of roof beam body one end at the slide bar, the terminal surface that the slide bar was kept away from to the stopper and the top butt of stand, the both sides wall of stopper can with telescopic both sides wall butt, the diameter of stopper is greater than the diameter of slide bar.

Through adopting above-mentioned technical scheme, the stopper of setting, stopper one end and slide bar fixed connection, when the drive sleeve is close to the stand, the diameter of stopper is greater than the diameter of slide bar, and the stopper can avoid the sleeve to drop from the slide bar, and the other end of stopper and the top looks butt of stand to when making telescopic inner wall and stopper butt, the sleeve can get up with stand threaded connection.

Optionally, the holding tank has been seted up to the both sides wall of mounting groove, two be equipped with reset spring in the holding tank, reset spring's one end and two the inner wall fixed connection of holding tank, other end fixedly connected with fixed block, on the stand outside symmetry seted up with the locking groove of fixed block looks adaptation, be equipped with the driving piece that is used for driving fixed block butt locking groove on the supporting seat.

Through adopting above-mentioned technical scheme, the fixed block of setting is through the drive fixed block for the inner wall of the locking groove of seting up on the stand can butt to the fixed block, can effectually fix the stand, makes the stand effectual install on the supporting seat, when needs are dismantled the stand, drives the fixed block again and keeps away from the locking groove, and the effectual butt force of removing to the stand.

Optionally, the driving piece sets up to the bolt, set up on the supporting seat with two the extending direction of holding tank is perpendicular mutually and the screw hole that is linked together with the holding tank, bolt threaded connection is in the screw hole, the fixed block is close to the bolt terminal surface set up with the butt groove of bolt looks adaptation, the lateral wall that reset spring was kept away from in butt groove is the hypotenuse setting.

Through adopting above-mentioned technical scheme, the bolt of setting, through with bolt screw in threaded hole, the bolt removes in the screw hole for the hypotenuse in butt joint groove can be supported to the bottom of bolt, thereby the bolt can drive the fixed block and move toward locking groove, can butt locking inner wall of groove until the fixed block, and is effectual to fix the stand in the mounting groove.

Optionally, a groove matched with the bolt is formed in the top of the threaded hole, and a gasket is arranged in the groove.

Through adopting above-mentioned technical scheme, the recess of setting is through holding the bolt in the recess to can avoid producing the interference among the connection process, and the gasket that sets up can increase frictional force, make more firm of bolt installation.

Optionally, the outer wall of one side of the sleeve close to the limiting block is fixedly connected with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad of setting, after couple together stand and slide bar, stopper and telescopic inner wall butt, the rubber pad can increase the frictional force between sleeve inner wall and the stopper to make and be connected inseparabler between sleeve and slide bar and the stand.

Optionally, a countersunk groove is formed in the top of the mounting hole, a mounting block is arranged in the countersunk groove, and the mounting block is fixedly connected with the sliding rod.

Through adopting above-mentioned technical scheme, the countersunk head groove that sets up, the installation piece in the countersunk head groove can be spacing to the slide bar through with slide bar fixed connection for the effectual installation of slide bar is on the roof beam body, and the countersunk head groove can prevent that the slide bar from protruding the loading end of the roof beam body, effectively reduces the condition that the slide bar influences the construction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the spring is arranged and connected between the beam body and the bridge pier, and the sliding rod and the upright post are further connected through the sleeve, so that the spring can be supported, semi-rigid connection is formed among the spring, the sliding rod and the upright post, the bending moment resistance of the bridge pier is effectively improved, the cracking of the bridge pier is avoided, and the safety is improved;

2. set up the bolt, through driving bolt, with bolt screw in threaded hole to the hypotenuse in butt joint groove is supported to the one end that makes the bolt, thereby makes the fixed block can butt locking groove, screws up the bolt at last, can effectually with column mouting on the supporting seat, and when needs change stand, not hard up bolt, at this moment reset spring can utilize the elasticity of self to drive the fixed block and keep away from locking groove and shrink to the holding tank in.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic sectional structure view along the vertical direction of the upright column in the embodiment of the application.

Reference numerals: 1. a beam body; 2. a bridge pier; 3. a supporting seat; 4. a spring; 5. a column; 6. a slide bar; 60. a sleeve; 61. a rubber pad; 7. a limiting block; 8. accommodating grooves; 80. a return spring; 81. a fixed block; 9. a bolt; 90. and (7) installing the block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a semi-rigid pier beam connecting structure without transmitting bending moment, and with reference to fig. 1 and fig. 2, the semi-rigid pier beam connecting structure comprises a beam body 1 and a pier 2, wherein a support seat 3 is fixedly arranged on the top surface of the pier 2 in the embodiment, a spring 4 is connected between the support seat 3 and the beam body 1, one end of the spring 4 is fixedly connected with the top surface of the support seat 3, the other end of the spring 4 is fixedly connected with the bottom surface of the beam body 1, the spring 4 can increase the buffer force between the beam body 1 and the pier 2 by utilizing the elasticity of the spring 4 and reduce vibration, in order to support the spring 4, a mounting groove is vertically arranged on the top surface of the support seat 3, an upright post 5 is detachably arranged in the mounting groove, the upright post 5 passes through the spring 4, a mounting hole is arranged at the position of the beam body 1 corresponding to the upright post 5, a slide rod 6 is arranged in the mounting hole, the slide rod 6 vertically extends downwards, a fixing component is further arranged on the slide rod 6, the upright post 5 is connected with the slide rod 6 through the fixing component, make stand 5 and slide bar 6 can support spring 4 to make spring 4 and stand 5 and slide bar 6 form half rigid connection, the effectual bending resistance ability that promotes pier 2 avoids pier 2 to take place the condition of fracture, increases the security.

In this embodiment, the fixed component that sets up includes sleeve 60, sleeve 60 slip cap is established on slide bar 6, and the sleeve 60 is close to the one end of stand 5 and is the opening setting, the both sides wall at opening part is equipped with the screw thread, sleeve 60 and stand 5 threaded connection, through drive sleeve 60, make sleeve 60 move down along slide bar 6, in order to avoid sleeve 60 to slide off from slide bar 6 when moving down, consequently, the one end of keeping away from roof beam body 1 at slide bar 6 is equipped with the locating part, both can be spacing sleeve 60 through the locating part, can also be connected sleeve 60 and stand 5 through the locating part, thereby make stand 5 also can be connected with slide bar 6.

In this embodiment, the locating part that sets up includes that fixed connection keeps away from the stopper 7 of 1 one end of roof beam body at slide bar 6, stopper 7 keeps away from the terminal surface of slide bar 6 and the top butt of stand 5, and the both sides wall of stopper 7 can with the both sides wall butt of sleeve 60, in order to be spacing to sleeve 60, consequently, the diameter of stopper 7 still is greater than the diameter of slide bar 6, when sleeve 60 slides down along slide bar 6, stopper 7 can effectively avoid sleeve 60 landing, and sleeve 60 utilizes stopper 7 still to be connected slide bar 6 and stand.

In this embodiment, in order to realize removable installation between stand 5 and the supporting seat 3, consequently, holding tank 8 has been seted up at the both sides wall of mounting groove, holding tank 8's extending direction is mutually perpendicular with the extending direction of mounting groove, and holding tank 8's inner wall fixedly connected with reset spring 80, reset spring 80 keeps away from holding tank 8's inner wall one end still fixedly connected with fixed block 81, and stand 5's outside symmetry set up with the locking groove of fixed block 81 looks adaptation, through driving fixed block 81, make fixed block 81 can butt the inner wall of locking groove, thereby can fix stand 5 in the mounting groove, effectually be connected with supporting seat 3, when stand 5 is dismantled to needs, it can in holding tank 8 to drive fixed block 81 contracts.

In this embodiment, in order to drive the fixing block 81 to abut against the inner wall of the locking groove, thereby fixing the upright post 5, a threaded hole communicated with the accommodating groove 8 is formed in the supporting seat 3, the extending direction of the threaded hole is perpendicular to the extending direction of the accommodating groove 8, further, a bolt 9 is connected in the threaded hole, the bottom end of the bolt 9 is arc-shaped, an abutting groove matched with the bolt 9 is formed in the end surface of the fixing block 81 close to the bolt 9, one end of the abutting groove far away from the reset spring 80 is arranged in a bevel edge, the bolt 9 is screwed into the threaded hole and presses against the bevel edge of the abutting groove, the fixing block 81 can be effectively driven to move in the locking groove and abut against the inner wall of the locking groove, thereby effectively fixing the upright post 5 on the supporting seat 3, in addition, a groove matched with the bolt 9 is formed in the top of the threaded hole, a gasket is arranged in the groove, and the gasket can increase the friction force, making the bolt stronger.

In this embodiment, the sleeve 60 that sets up is close to one side outer wall fixedly connected with rubber pad 61 of stopper 7, and rubber pad 61 can utilize the effectual absorption vibrations of elasticity of self, increases the frictional force between sleeve 60 and the stopper 7 for be connected between sleeve 60 and the stopper 7 inseparabler.

In this embodiment, in order to avoid slide bar 6 to bulge the loading face of the roof beam body 1 to influence the construction, consequently seted up the countersunk head groove at the top of mounting hole, slide bar 6 is close to the one end fixedly connected with in countersunk head groove and countersunk head groove looks adaptation's installation piece 90, and installation piece 90 holds in the countersunk head groove, can be effectual spacing to slide bar 6.

The implementation principle of the embodiment of the application is as follows: through the sleeve 60 that sets up, drive sleeve 60 slides on slide bar 6, make sleeve 60 slide to stopper 7 department, thereby effectually couple together stand 5 and slide bar 6, at this moment, the spring 4 that sets up is connected between pier 2 and the roof beam body 1 with sleeve 60, slide bar 6 and stand 5 form rigid connection, effectively increase pier 2's bending moment resistance ability, reduce the condition that pier 2 takes place the fracture, and the bolt 9 that further sets up can drive fixed block 81 butt locking groove, then it can effectually fix stand 5 on supporting seat 3 to tighten bolt 9, when the stand 5 is dismantled to needs, not hard up bolt 9, reset spring 80 can drive fixed block 81 and shrink to in the holding tank 8, thereby can effectually dismantle stand 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a semi-rigid mound roof beam connection structure of moment of bending does not transmit which characterized in that: including the roof beam body (1) and pier (2), the top surface fixed mounting of pier (2) has supporting seat (3), be equipped with spring (4) between supporting seat (3) and the roof beam body (1), the top surface fixed connection of spring (4) one end and supporting seat (3), the bottom surface fixed connection of the other end and the roof beam body (1), the vertical mounting groove of having seted up of top surface of supporting seat (3), the removable stand (5) that is equipped with in the mounting groove, spring (4) are passed in stand (5), the roof beam body (1) with the mounting hole has been seted up to the corresponding position of stand (5), be equipped with slide bar (6) in the mounting hole, the vertical downwardly extending of slide bar (6), the cover is equipped with the fixed subassembly that is used for connecting stand (5) on slide bar (6).

2. The semi-rigid pier beam connection construction which does not transmit bending moment of claim 1, wherein: fixed subassembly includes that the slip cap establishes sleeve (60) on slide bar (6), sleeve (60) are close to the one end of stand (5) is the opening setting, and the open-ended both sides wall is provided with the screw thread, sleeve (60) with stand (5) threaded connection, the one end that the roof beam body (1) was kept away from in slide bar (6) is equipped with the locating part that is used for restricting sleeve (60).

3. The semi-rigid pier beam connection construction which does not transmit bending moment of claim 2, wherein: the locating part includes stopper (7) of fixed connection in roof beam body (1) one end is kept away from in slide bar (6), the terminal surface of slide bar (6) and the top butt of stand (5) are kept away from in stopper (7), the both sides wall of stopper (7) can with the both sides wall butt of sleeve (60), the diameter of stopper (7) is greater than the diameter of slide bar (6).

4. The semi-rigid pier beam connection construction which does not transmit bending moment of claim 1, wherein: holding tank (8), two have been seted up to the both sides wall of mounting groove be equipped with reset spring (80) in holding tank (8), the one end and two of reset spring (80 the inner wall fixed connection of holding tank (8), other end fixedly connected with fixed block (81), stand (5) are gone up the outside symmetry seted up with the locking groove of fixed block (81) looks adaptation, be equipped with the driving piece that is used for driving fixed block (81) butt locking groove on supporting seat (3).

5. The semi-rigid pier beam connection construction not transferring bending moment of claim 4, wherein: the driving piece is set to be bolt (9), set up on supporting seat (3) with two the extending direction looks vertical of holding tank (8) and the screw hole that is linked together with holding tank (8), bolt (9) threaded connection is in the screw hole, fixed block (81) are close to bolt (9) terminal surface offer with the butt groove of bolt (9) looks adaptation, the lateral wall that reset spring (80) were kept away from in butt groove is the hypotenuse setting.

6. The semi-rigid pier beam connection construction not transferring bending moment of claim 5, wherein: the top of the threaded hole is provided with a groove matched with the bolt (9), and a gasket is arranged in the groove.

7. The semi-rigid pier beam connection construction not transferring bending moment of claim 3, wherein: the outer wall of one side of the sleeve (60) close to the limiting block (7) is fixedly connected with a rubber pad (61).

8. The semi-rigid pier beam connection construction which does not transmit bending moment of claim 1, wherein: the top of the mounting hole is provided with a countersunk groove, a mounting block (90) is arranged in the countersunk groove, and the mounting block (90) is fixedly connected with the sliding rod (6).