CN218813157U

CN218813157U - Town road bridge beam supports with antidetonation subassembly

Info

Publication number: CN218813157U
Application number: CN202223339516.8U
Authority: CN
Inventors: 林碧钗; 郑仲
Original assignee: Hunan Xiangtong Highway And Bridge Construction Co ltd
Current assignee: Hunan Xiangtong Highway And Bridge Construction Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-07
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a town road bridge beam supports with antidetonation subassembly relates to road and bridge technical field. This town road bridge beam supports with antidetonation subassembly, the on-line screen storage device comprises a base, the last surface mounting of base has the connection platform, the bottom inner wall fixed mounting who connects the platform has the bottom of telescopic link one, the top fixed connection of telescopic link one is on the bottom face of branch. This town road bridge beam supports with antidetonation subassembly, in order to avoid the supporting part of the roof beam body to receive the ascending stress of horizontal direction and impaired in the use, through being provided with horizontal bearing structure, cooperation accommodate the lead screw's rotation, in order to change the position of screw thread cover at fixed cover inside, thereby change the biggest deformation distance of supporting spring, promote supporting spring's support stabilizing effect, and then make no matter branch receives the pressure of any horizontal direction, the homoenergetic obtains good auxiliary stay protecting effect, guarantee the steady operation of branch and the roof beam body.

Description

Town road bridge beam supports with antidetonation subassembly

Technical Field

The utility model relates to a road and bridge technical field specifically is a town road bridge beam supports with antidetonation subassembly.

Background

In the middle of the town road, in order to overcome natural environment's topography, need erect the bridge, and the construction in-process of bridge, the support of its bottom has played important effect to the stability and the safe in utilization of road and bridge, and the stable use of road and bridge not only can be guaranteed in reasonable bridge beam supports's setting, simultaneously also great reduction the cost of maintaining.

When the existing municipal road bridge support is used, a corresponding large spring assembly is generally arranged in the support of the bridge to realize the shock resistance of the bridge, and the bridge is prevented from being damaged when being vibrated, for example, the Chinese patent with the publication number of CN113981813A discloses a municipal road bridge support with a shock resistance function, and the technical scheme disclosed by the support adopts structures and methods such as sealing rods, rubber blocks, compressed gas and the like to realize the sinking problem of the bridge when the bridge is pressed.

When the device is used, the transverse pressure protection effect of the bridge support part is poor, and particularly when vibration or pressure is received in the horizontal direction, the bridge support and the bridge body connecting part of the bridge are easy to receive large transverse stress, so that the use safety and the service life of the bridge support are adversely affected; in view of this, we propose a town road bridge support with an anti-seismic assembly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a town road bridge beam supports with antidetonation subassembly has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a town road bridge beam supports with antidetonation subassembly, the on-line screen storage device comprises a base, the last surface mounting of base has the connection platform, the bottom inner wall fixed mounting of connection platform has the bottom of telescopic link one, top fixed connection of telescopic link one is on the bottom face of branch, the top fixed connection of branch is at the lower surface of the roof beam body, the bottom inner wall fixed mounting of connection platform has buffer spring's bottom, buffer spring's top fixed connection is on the bottom face of branch, the upper surface of connection platform is provided with horizontal bearing structure, horizontal bearing structure includes:

the connecting sleeve penetrates through the supporting rod and is fixedly connected with the supporting rod, the outer wall of the connecting sleeve is hinged with the end part of the connecting rod, the other end of the connecting rod is hinged with the left end of the transmission rod, and the right end of the transmission rod is fixedly provided with the outer wall of the left side of the transmission plate;

the right outer wall of the transmission plate is fixedly connected with the left end of the second telescopic rod, the right end of the second telescopic rod is fixedly connected to the left outer wall of the threaded sleeve, the right outer wall of the transmission plate is fixedly connected with the left end of a supporting spring, the right end of the supporting spring is fixedly connected to the left outer wall of the threaded sleeve, and the outer wall of the threaded sleeve is sleeved with a fixing sleeve;

the ratch, the left end of the right side outer wall fixedly connected with ratch of driving plate, the inner wall of connecting the platform rotates and installs the worm, the worm runs through there is drive gear, and drive gear and worm fixed connection, the right side inner wall of fixed cover rotates and installs accommodate the lead screw, accommodate the lead screw runs through there is the worm wheel, and worm wheel and accommodate the lead screw fixed connection.

Preferably, the number of the supporting rods is provided with two groups, and the two groups of supporting rods are symmetrically arranged by taking the central axis of the connecting platform as a symmetry axis.

Preferably, the inner wall of the bottom of the fixed sleeve is provided with a rectangular groove with the width matched with that of the transmission plate.

Preferably, the outer surface of the threaded sleeve is square, and the inner wall of the fixed sleeve is square matched with the outer surface of the threaded sleeve.

Preferably, the inside of connecting the platform is provided with the speed reduction structure, the speed reduction structure is including the stay cord, the tip of the outer wall fixedly connected with stay cord of driving plate, on the arc outer wall of the other end fixedly connected with pivot of stay cord, the inner wall of connecting the platform rotates and installs the fixed pulley, the pivot runs through there is the deceleration strip, and deceleration strip and pivot fixed connection, the tip of the inner wall fixedly connected with spiral spring of connecting the platform, the other end fixed connection of spiral spring is on the arc outer wall of pivot.

Preferably, the inner wall of the connecting table is provided with a deceleration block matched with the deceleration strip, and the deceleration strip is abutted against the deceleration block.

(III) advantageous effects

The utility model provides a town road bridge beam supports with antidetonation subassembly. The method has the following beneficial effects:

(1) This town road bridge beam supports with antidetonation subassembly is when using, in order to avoid the supporting part of the roof beam body to receive the ascending stress of horizontal direction and impaired in the use, through being provided with horizontal bearing structure, cooperation accommodate the lead screw's rotation, in order to change the position of screw thread cover at fixed cover inside, thereby change the biggest deformation distance of supporting spring, promote supporting spring's support stabilizing effect, and then make no matter branch receives the pressure of any horizontal direction, the homoenergetic obtains good auxiliary stay protection effect, guarantee the steady operation of branch and roof beam body.

(2) This town road bridge beam supports with antidetonation subassembly when using, causes the influence to the stability of roof beam body when avoiding supporting spring to bounce repeatedly, cooperation deceleration strip and spiral spring to the suppression of axis of rotation trend to the kinetic energy to the drive plate consumes, reduces the adverse effect of supporting spring's the stability of bouncing repeatedly to the roof beam body.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure of the area A in FIG. 2 according to the present invention;

fig. 4 is a schematic top view of the spiral spring of the present invention.

In the figure: 1. a base; 2. a connecting table; 3. a strut; 4. a beam body; 5. a first telescopic rod; 6. a buffer spring; 7. a lateral support structure; 71. connecting sleeves; 72. a connecting rod; 73. a transmission rod; 74. a drive plate; 75. a second telescopic rod; 76. a threaded sleeve; 77. a support spring; 78. fixing a sleeve; 79. a rack bar; 710. a worm; 711. a transmission gear; 712. adjusting a screw rod; 713. a worm gear; 8. a deceleration structure; 81. pulling a rope; 82. a fixed pulley; 83. a rotating shaft; 84. a speed bump; 85. a volute spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the utility model provides a town road bridge support with anti-seismic component, which comprises a base 1, a connecting platform 2 is installed on the upper surface of the base 1, the bottom inner wall of the bottom of the connecting platform 2 is fixedly installed with the bottom end of a telescopic rod 5, the top end of the telescopic rod 5 is fixedly connected with the bottom end surface of a supporting rod 3, the top end of the supporting rod 3 is fixedly connected with the lower surface of a beam body 4, the bottom inner wall of the bottom of the connecting platform 2 is fixedly installed with the bottom end of a buffer spring 6, the top end of the buffer spring 6 is fixedly connected with the bottom end surface of the supporting rod 3, the upper surface of the connecting platform 2 is provided with a transverse supporting structure 7, the transverse supporting structure 7 comprises a connecting sleeve 71, the supporting rod 3 penetrates through the connecting sleeve 71, the connecting sleeve 71 is fixedly connected with the supporting rod 3, the outer wall of the connecting sleeve 71 is hinged with the end of a connecting rod 72, the other end of the connecting rod 72 is hinged with the left end of a transmission rod 73, the right end of the transmission rod 73 is fixedly provided with the left outer wall of the transmission plate 74, the right outer wall of the transmission plate 74 is fixedly connected with the left end of the second telescopic rod 75, the right end of the second telescopic rod 75 is fixedly connected onto the left outer wall of the threaded sleeve 76, the right outer wall of the transmission plate 74 is fixedly connected with the left end of the supporting spring 77, the right end of the supporting spring 77 is fixedly connected onto the left outer wall of the threaded sleeve 76, the outer wall of the threaded sleeve 76 is sleeved with the fixed sleeve 78, the right outer wall of the transmission plate 74 is fixedly connected with the left end of the toothed bar 79, the inner wall of the connecting table 2 is rotatably provided with the worm 710, the worm 710 is penetrated with the transmission gear 711, the transmission gear 711 is fixedly connected with the worm 710, the right inner wall of the fixed sleeve 78 is rotatably provided with the adjusting screw 712, the adjusting screw 712 is penetrated with the worm wheel 713, and the worm wheel 713 is fixedly connected with the adjusting screw 712.

In an embodiment of the present invention, the inner wall of the base 1 is connected with fastening bolts by screw threads, so as to install the position of the base 1, and at the same time, the number of the support rods 3 is provided with two sets, and the two sets of support rods 3 are symmetrically arranged by taking the central axis of the connecting platform 2 as the symmetry axis, so as to make the stress of the beam body 4 more stable, further, the buffer spring 6 is sleeved outside the first telescopic rod 5, and the deformation direction of the buffer spring 6 is guided and limited by the first telescopic rod 5, so that the buffer spring 6 always keeps the deformation direction in the vertical direction when receiving extrusion or stretching, and the deflection phenomenon in the horizontal direction when receiving extrusion is avoided, and further the buffer spring 6 can always provide stable transmission effect for the support rods 3, in addition, the number of the transverse support structures 7 is provided with two sets, and the two sets of transverse support structures 7 are symmetrically arranged by taking the central axis of the connecting platform 2 as the symmetry axis, so that the two sets of supporting rods 3 can both obtain good supporting and positioning effects, meanwhile, the inner wall of the bottom of the fixing sleeve 78 is provided with a rectangular groove with the width matched with the width of the transmission plate 74, so as to avoid the interference of the fixing sleeve 78 on the movement of the transmission plate 74, further, the supporting spring 77 is sleeved outside the second telescopic rod 75, and the deformation direction of the supporting spring 77 is limited by the second telescopic rod 75, so that the supporting spring 77 always keeps the deformation direction in the horizontal direction, the deflection phenomenon in the vertical direction under the influence of the self gravity or when being extruded is avoided, and further, the supporting spring 77 can always provide stable transmission effects for the transmission plate 74, in addition, the toothed rod 79 is meshed with the transmission gear 711 to realize transmission, and meanwhile, the worm wheel 713 is meshed with the worm 710 to realize transmission, specifically, the driving plate 74 moves in the horizontal direction along the inner wall of the fixing sleeve 78, and in cooperation with the movement of the rack 79, the driving gear 711 drives the worm 710 to rotate, so that the worm wheel 713 drives the adjusting screw 712 as a rotating shaft thereof to rotate, further, the adjusting screw 712 is in threaded connection with the threaded sleeve 76, the outer surface of the threaded sleeve 76 is arranged in a square shape, and the inner wall of the fixing sleeve 78 is arranged in a square shape adapted to the outer surface of the threaded sleeve 76, so that when the adjusting screw 712 rotates, the threaded sleeve 76 can only move in the horizontal direction along the inner wall of the fixing sleeve 78, and the rotation along with the rotation of the adjusting screw 712 does not occur.

In addition, in order to avoid the influence on the stability of the beam body 4 when the support spring 77 repeatedly bounces, the inside of the connecting table 2 is provided with the deceleration structure 8, the deceleration structure 8 comprises a pull rope 81, the end part of the outer wall fixedly connected with pull rope 81 of the transmission plate 74, on the arc-shaped outer wall of the other end fixedly connected with rotating shaft 83 of the pull rope 81, the fixed pulley 82 is installed in the rotation of the inner wall of the connecting table 2, the deceleration strip 84 penetrates through the rotating shaft 83, the deceleration strip 84 is fixedly connected with the rotating shaft 83, the end part of the inner wall fixedly connected with spiral spring 85 of the connecting table 2, and the other end fixedly connected with of the spiral spring 85 is arranged on the arc-shaped outer wall of the rotating shaft 83.

The embodiment of the utility model provides an in, the quantity of speed reduction structure 8 is provided with two sets ofly, and two sets of speed reduction structure 8 use the axis of driving plate 74 to set up as symmetry axis symmetry, additionally, stay cord 81 is connected with the transmission of fixed pulley 82, and simultaneously, stay cord 81 is around establishing on the arc outer wall of pivot 83, furthermore, the inner wall of connecting platform 2 is provided with the speed reduction piece with deceleration strip 84 looks adaptation, and deceleration strip 84 offsets tightly with the speed reduction piece, thereby restrict the rotational speed of pivot 83, additionally, spiral spring 85's quantity is provided with two sets ofly, and two sets of spiral spring 85 use the axis of pivot 83 to set up as symmetry axis symmetry, spiral spring 85 cup joints on the arc outer wall of pivot 83, thereby make pivot 83 can obtain more stable transmission effect.

The utility model discloses in, during the use, through the adapter sleeve 71 of cup jointing at the outer wall of branch 3, cooperate the transmission of connecting rod 72 and transfer line 73 simultaneously, make driving plate 74 can cooperate supporting spring 77 to play the effect that restraines and support to the lateral deviation of branch 3, cooperate ratch 79 and drive gear 711's transmission simultaneously, cooperate accommodate the rotation of lead screw 712 simultaneously, in order to change the position of thread bush 76 inside fixed cover 78, thereby change the biggest deformation distance of supporting spring 77, promote supporting spring 77's support stabilizing effect, and then make no matter branch 3 receives the pressure of any horizontal direction, the homoenergetic obtains good auxiliary stay protection effect, guarantee branch 3 and roof beam body 4's steady operation, in addition, cooperate deceleration strip 84 and spiral spring 85 to the suppression of countershaft 83 rotation trend, thereby consume the kinetic energy of transfer plate 74, reduce the adverse effect of the stability of the roof beam body 4 of bounce repeatedly of supporting spring 77.

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 town road bridge beam supports with antidetonation subassembly, includes base (1), the last surface mounting of base (1) has connection platform (2), the bottom inner wall fixed mounting of connection platform (2) has the bottom of telescopic link (5), the top fixed connection of telescopic link (5) is on the bottom face of branch (3), the top fixed connection of branch (3) is at the lower surface of roof beam body (4), the bottom inner wall fixed mounting of connection platform (2) has the bottom of buffer spring (6), the top fixed connection of buffer spring (6) is on the bottom face of branch (3), its characterized in that: the upper surface of connecting platform (2) is provided with horizontal bearing structure (7), horizontal bearing structure (7) include:

the connecting sleeve (71) penetrates through the support rod (3), the connecting sleeve (71) is fixedly connected with the support rod (3), the outer wall of the connecting sleeve (71) is hinged with the end part of a connecting rod (72), the other end of the connecting rod (72) is hinged with the left end of a transmission rod (73), and the right end of the transmission rod (73) is fixedly provided with the outer wall of the left side of a transmission plate (74);

the right outer wall of the transmission plate (74) is fixedly connected with the left end of the second expansion rod (75), the right end of the second expansion rod (75) is fixedly connected to the left outer wall of the threaded sleeve (76), the right outer wall of the transmission plate (74) is fixedly connected with the left end of a supporting spring (77), the right end of the supporting spring (77) is fixedly connected to the left outer wall of the threaded sleeve (76), and the outer wall of the threaded sleeve (76) is sleeved with a fixing sleeve (78);

ratch (79), the left end of the right side outer wall fixedly connected with ratch (79) of driving plate (74), the inner wall of connecting platform (2) rotates and installs worm (710), worm (710) run through there are drive gear (711), and drive gear (711) and worm (710) fixed connection, adjusting screw (712) is installed in the rotation of the right side inner wall of fixed cover (78), adjusting screw (712) run through there are worm wheel (713), and worm wheel (713) and adjusting screw (712) fixed connection.

2. The town road bridge support with seismic resistant assembly according to claim 1, wherein: the number of the supporting rods (3) is provided with two groups, and the two groups of supporting rods (3) are symmetrically arranged by taking the central axis of the connecting platform (2) as a symmetry axis.

3. The municipal road and bridge support with an anti-seismic assembly according to claim 1, wherein: the bottom inner wall of the fixed sleeve (78) is provided with a rectangular groove with the width matched with that of the transmission plate (74).

4. The town road bridge support with seismic resistant assembly according to claim 1, wherein: the outer surface of the threaded sleeve (76) is arranged in a square shape, and the inner wall of the fixed sleeve (78) is arranged in a square shape matched with the outer surface of the threaded sleeve (76).

5. The town road bridge support with seismic resistant assembly according to claim 1, wherein: the inside of connecting platform (2) is provided with speed reduction structure (8), speed reduction structure (8) are including stay cord (81), the tip of the outer wall fixedly connected with stay cord (81) of driving plate (74), on the arc outer wall of the other end fixedly connected with pivot (83) of stay cord (81), the inner wall of connecting platform (2) rotates and installs fixed pulley (82), deceleration strip (84) have been run through in pivot (83), and deceleration strip (84) and pivot (83) fixed connection, the tip of the inner wall fixedly connected with spiral spring (85) of connecting platform (2), the other end fixed connection of spiral spring (85) is on the arc outer wall of pivot (83).

6. The town road bridge support with seismic resistant assembly according to claim 5, wherein: the inner wall of the connecting table (2) is provided with a deceleration block matched with the deceleration strip (84), and the deceleration strip (84) is abutted against the deceleration block.