CN216809542U - Bridge support with displacement-measurable height adjustable - Google Patents

Bridge support with displacement-measurable height adjustable Download PDF

Info

Publication number
CN216809542U
CN216809542U CN202123239125.4U CN202123239125U CN216809542U CN 216809542 U CN216809542 U CN 216809542U CN 202123239125 U CN202123239125 U CN 202123239125U CN 216809542 U CN216809542 U CN 216809542U
Authority
CN
China
Prior art keywords
supporting plate
displacement
lower supporting
bridge support
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123239125.4U
Other languages
Chinese (zh)
Inventor
朱连照
董凌峰
袁微微
高盼
勾磊
孙赋成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Huatong Engineering Inspection Co ltd
Jiangsu Njy Expressway Co ltd
Original Assignee
Jiangsu Huatong Engineering Inspection Co ltd
Jiangsu Njy Expressway Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Huatong Engineering Inspection Co ltd, Jiangsu Njy Expressway Co ltd filed Critical Jiangsu Huatong Engineering Inspection Co ltd
Priority to CN202123239125.4U priority Critical patent/CN216809542U/en
Application granted granted Critical
Publication of CN216809542U publication Critical patent/CN216809542U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The utility model discloses a bridge support with measurable displacement and adjustable height, which comprises an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is connected with the lower supporting plate through a damping seat; the lower supporting plate is connected with the upright post through a post-poured cushion stone, and a reinforcing mesh with a supporting function is arranged inside the cushion stone; the anchor bolt is positioned outside the cushion stone; go up the backup pad and be connected with the roof beam, go up and be provided with the tetrafluoro board between backup pad and the shock mount, be provided with the compression on the tetrafluoro board and not kick-back be used for the gluey piece of record maximum displacement position. The bridge support with the structure and the measurable displacement and adjustable height can solve the problems that the existing support is closely attached to a beam, the support is frequently stressed, and the service life is influenced.

Description

Bridge support with displacement-measurable height adjustable
Technical Field
The utility model relates to the technical field of bridge connection structures, in particular to a bridge support with adjustable displacement measurable height.
Background
The bridge includes horizontal roof beam and vertical stand, and the stand is connected through back connection structure after pouring with the roof beam and accomplishing to can reduce the atress of roof beam, improve the security of bridge with the reliable transmission of the counter-force on the roof beam for bridge substructure with warping. The connecting structure between the beam and the upright is an important part in the bridge. Under the full length condition, be connected through the support between roof beam and the stand, the bottom setting of support is on the stand, and the top setting of support is on the lower surface of roof beam. When a vehicle passes through the upper part of the beam, the beam and the support are frequently contacted, so that the beam frequently extrudes and bears the force on the support, the service life of the support is influenced, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bridge support with the displacement measurable and height adjustable, and solves the problems that the conventional support is closely attached to a beam, the support is frequently stressed, and the service life is influenced.
In order to achieve the purpose, the utility model provides a bridge support with measurable displacement and adjustable height, which comprises an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is connected with the lower supporting plate through a shock absorption seat; the lower supporting plate is connected with the upright post through a post-poured cushion stone, and a reinforcing mesh with a supporting function is arranged inside the cushion stone; the anchor bolt is positioned outside the cushion stone; go up the backup pad and be connected with the roof beam, go up and be provided with the tetrafluoro plate between backup pad and the shock absorber seat, be provided with the compression on the tetrafluoro plate and do not kick-back be used for the gluey piece of record maximum displacement position.
Preferably, the shock absorption seat is a rubber shock absorption block, and the shock absorption seat is positioned in the center of the upper support plate and the lower support plate.
Preferably, the pre-buried depth of the anchor bolt on the stand column is 25-30 cm.
Preferably, the crab-bolt is located four edges of bottom suspension fagging, all is provided with two adjusting nut on every crab-bolt, is provided with the spring shim between adjusting nut and the bottom suspension fagging.
Preferably, the cushion stone is formed by pouring concrete grouting material with the strength of C50; the upper supporting plate is fixedly connected with the beam through adhesive steel glue, and the adhesive steel glue is epoxy adhesive steel glue.
Preferably, the shock mount is provided with the limiting plate all around, and the limiting plate is located between backup pad and the bottom suspension fagging, the bottom and the bottom suspension fagging fixed connection of limiting plate.
Preferably, the reinforcing mesh comprises a vertical U-shaped reinforcing steel bar and a vertical U-shaped reinforcing steel bar, the bottom of the vertical U-shaped reinforcing steel bar is connected with the bottom of the horizontal U-shaped reinforcing steel bar through a vertical bar, and the bottom of the vertical U-shaped reinforcing steel bar is connected with the bottom of the vertical U-shaped reinforcing steel bar through a horizontal bar.
The mounting method of the bridge support with the displacement measurable height adjustable comprises the following steps:
s1, lofting the central line of the support, the central line of the upper support plate and the central line of the beam bottom, binding a stone reinforcement, installing a limiting plate and a damping seat on the lower support plate, and calculating the elevations of the upright post, the lower support plate, the stone and the upper support plate before pouring the upright post;
s2, pre-burying 4M 30 anchor bolts to the top surface of the cast-in-place concrete upright post, wherein the pre-burying depth is 28 cm;
s3, enabling an M30 anchor bolt to penetrate through a lower supporting plate with the thickness of 40mm, arranging double adjusting nuts on the anchor bolt, adjusting the elevation of the lower supporting plate by adjusting the height of the adjusting nuts, wherein the horizontal height difference of four corners of the lower supporting plate is less than 1 mm;
s4, coating a rubber block with a certain height on the PTFE sheet of the upper supporting plate, and rotating the adjusting nut to enable the rubber block to be in contact with the surface of the shock absorption seat;
s5, passing a heavy-load test vehicle above the beam, enabling the beam to deform under the action of the heavy-load test vehicle, generating pressure on the rubber block, enabling the rubber block to deform and extrude, taking down the rubber block from the upper supporting plate, and measuring the residual height of the rubber block;
s6, rotating the adjusting nut, and adjusting the height of the lower supporting plate upwards, wherein the adjusted height is the height of the residual rubber block after being pressed;
s7, pouring C50 strength grouting material support base cushion stones, wherein the upper surfaces of the cushion stones are flush with the upper surfaces of the lower supporting plates.
According to the bridge support with the displacement measurable and height adjustable and the mounting method thereof, the upper supporting plate and the lower supporting plate are connected through the shock absorption seat, the shock absorption seat can effectively transmit displacement and corners on a beam downwards, and the safety of the beam is improved. The lower supporting plate is connected with the stand column through anchor bolts, adjusting nuts sleeved on the anchor bolts are located below the lower supporting plate, and the height of the lower supporting plate is adjusted through rotating the adjusting nuts.
Go up to be provided with between backup pad and the shock absorber and glue the piece, heavy test vehicle is through producing pressure to gluing the piece on the roof beam, glues the piece and warp, through measuring the residual height who glues the piece, adjust pressurized gluey piece department with the bottom suspension fagging through adjusting nut, it is close and not paste with the shock absorber to go up the backup pad under the normal condition, go up the backup pad and need not frequent counter-force that bears the shock absorber, be favorable to improving the life-span of support and the fatigue that reduces the roof beam board. When the roof beam bears heavy load, go up to support and the shock absorber contact, go up the backup pad and bear the counter-force of shock absorber to support the roof beam, improve the security of roof beam.
The bridge support with the height adjustable and the measurable displacement is particularly suitable for mounting supports on newly-added upright columns of an independent pier bridge for safely lifting, has an auxiliary supporting effect on a beam body, supports the beam when the beam body bears a large load, and improves the safety of the beam. The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a bridge support with measurable displacement and adjustable height according to the present invention;
FIG. 2 is a schematic diagram of a mounting structure of a limiting plate of an embodiment of a bridge support with measurable displacement and adjustable height of the utility model;
fig. 3 is a schematic structural view of a steel bar mesh of an embodiment of the bridge support with measurable displacement and adjustable height.
Reference numerals
1. A column; 2. a beam; 3. an upper support plate; 4. a lower support plate; 5. a shock absorbing seat; 6. a limiting plate; 7. Gluing blocks; 8. a connecting hole 9 and a cushion; 10. a reinforcing mesh; 11. an anchor bolt; 12. adjusting the nut; 13. transverse U-shaped steel bars; 14. vertical U-shaped steel bars; 15. transverse ribs; 16. and (5) erecting the ribs.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is a schematic structural diagram of an embodiment of a bridge support with adjustable displacement measurable height, and fig. 2 is a schematic structural diagram of a limiting plate of an embodiment of a bridge support with adjustable displacement measurable height. As shown in the figure, the bridge support with the height adjustable and capable of measuring displacement comprises an upper supporting plate 3 and a lower supporting plate 4, wherein the upper supporting plate 3 and the lower supporting plate 4 are both made of steel plates with rigidity and strength. Go up and be connected through shock absorber 5 between backup pad 3 and the bottom suspension fagging 4, shock absorber 5 is the snubber block of rubber, and shock absorber 5 is located the center of backup pad 3 and bottom suspension fagging 4. The shock absorption seat 5 can deform to a certain extent, and the effective transmission of the displacement and the corner of the beam 2 is met. Limiting plates 6 are arranged around the damping seat 5, the limiting plates 6 are located between the upper supporting plate 3 and the lower supporting plate 4, and the bottoms of the limiting plates 6 are fixedly connected with the lower supporting plate 4. The limiting plate 6 is an angle steel, the side face of the limiting plate 6 is attached to the shock absorption seat 5, and the limiting plate 6 has a certain protection effect on the shock absorption seat 5.
Be provided with the connecting hole 8 that makes crab-bolt 11 pass on the bottom suspension fagging 4, crab-bolt 11 is located four edges and corners of bottom suspension fagging 4, improves the support intensity of crab-bolt 11 to bottom suspension fagging 4. The bottom of the anchor bolt 11 is embedded in the upright post 1, and the embedding depth of the anchor bolt 11 on the upright post 1 is 25-30cm, preferably 28 cm. An adjusting nut 12 is sleeved on the anchor bolt 11, and the adjusting nut 12 is positioned below the lower support plate 4. All be provided with two adjusting nut 12 on every crab-bolt 11, be provided with the spring shim between adjusting nut 12 and the bottom suspension fagging 4, improve the stay strength of crab-bolt 11 to bottom suspension fagging 4. The adjusting nut 12 is screwed through a wrench, and the position of the adjusting nut 12 on the anchor bolt 11 is adjusted, so that the height and the levelness of the lower supporting plate 4 are adjusted, and the installation of the support is facilitated. The adjusting nut 12 can also adjust the height of the upper supporting plate 3, so that the upper supporting plate 3 can be adjusted to the designed height.
The lower supporting plate 4 is connected with the upright post 1 through a post-cast cushion stone 9, and the cushion stone 9 is formed by pouring concrete grouting material with the strength of C50. The cushion stone 9 has the supporting effect on the lower supporting plate 4, and the connecting strength between the lower supporting plate 4 and the upright post 1 is improved. The upper surface of the stone pad 9 is flush with the upper surface of the lower support plate 4. The cushion stone 9 is in a cross-shaped structure, and the anchor bolt 11 is positioned outside the cushion stone 9.
Go up between backup pad 3 and the roof beam 2 and glue fixed connection through gluing steel, set up the tetrafluoro board between backup pad 3 and cushion socket 5, the fixed setting of tetrafluoro board is on the lower surface of backup pad 3. And a rubber block 7 which is compressed and does not rebound and is used for recording the maximum displacement position is arranged on the lower surface of the PTFE sheet. The glue blocks 7 are used to detect the maximum displacement of the beam 2 and thereby determine the adjusted height of the lower support plate 4.
Fig. 3 is a schematic structural view of a steel bar mesh of an embodiment of the bridge support with measurable displacement and adjustable height. As shown in the figure, the inside of the cushion stone 9 is provided with a reinforcing mesh 10 having a supporting function. The reinforcing mesh 10 comprises a transverse U-shaped steel bar 13 and a vertical U-shaped steel bar 14 which are vertically arranged and are fixed with the upright posts 1, and the supporting effect of the U-shaped steel bars is better. The transverse U-shaped steel bars 13 and the vertical U-shaped steel bars 14 are bound together through binding wires. Connect through erecting muscle 16 between the bottom of horizontal U shaped steel muscle 13, connect through horizontal muscle 15 between the bottom of vertical U shaped steel muscle 14, it is two-layer about horizontal muscle 15 and perpendicular muscle 16 are provided with respectively on vertical U shaped steel muscle 14, horizontal U shaped steel muscle 13, improve the support intensity of reinforcing bar net 10 to improve the support intensity of bed stone 9 to bottom suspension fagging 4.
The mounting method of the bridge support comprises the following steps:
s1, laying out the central line of the support, the central line of the bottom of the upper support plate 3 and the central line of the bottom of the beam 2, binding reinforcing steel bars of the cushion stone 9, installing the limit plate 6 and the shock absorption seat 5 on the lower support plate 4, and calculating the elevations of the upright post 1, the lower support plate 4, the cushion stone 9 and the upper support plate 3 before pouring the upright post 1.
And S2, embedding 4M 30 anchor bolts 11 to the top surface of the cast-in-place concrete upright post 1, wherein the embedding depth is 28 cm.
S3, enabling the M30 anchor bolt 11 to penetrate through the lower supporting plate 4 with the thickness of 40mm, arranging a double-adjusting nut 12 on the anchor bolt 11, adjusting the elevation of the lower supporting plate 4 by adjusting the height of the double-adjusting nut 12, and enabling the height difference of the four corners of the lower supporting plate 4 to be smaller than 1 mm.
And S4, coating a rubber block 7 with a certain height on the tetrafluoro plate of the upper supporting plate 3, and rotating the adjusting nut to enable the rubber block to be in contact with the surface of the shock absorption seat 5.
S5, passing through a heavy-load test vehicle above the beam 2, the beam 2 deforms under the action of the heavy-load test vehicle to generate pressure on the rubber block 7, the rubber block 7 deforms and is extruded out, the rubber block 7 is taken down from the upper supporting plate 3, and the remaining height of the rubber block 7 is measured.
And S6, rotating the adjusting nut 12 to adjust the height of the lower supporting plate 3 upwards, wherein the adjusted height is the height of the residual rubber block 7 after being pressed. The supporting plate 3 and the shock absorption seat 5 do not contact under the normal condition, and the shock absorption seat 5 does not need frequent pressure of the bearing beam 2, so that the service life of the support is prolonged. When the beam 2 bears heavy load, the upper support 3 is in contact with the shock absorption seat 5 to support the beam 2, and the safety of the beam 2 is improved.
S7, pouring C50 strength grouting material support base cushion stones 9, wherein the upper surfaces of the cushion stones 9 are flush with the upper surface of the lower supporting plate 4.
Therefore, the bridge support with the structure and the measurable displacement and adjustable height can solve the problems that the conventional support is closely attached to a beam, the support is frequently stressed, and the service life is influenced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a measurable height-adjustable's of displacement bridge beam supports which characterized in that: the shock absorber comprises an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is connected with the lower supporting plate through a shock absorption seat, a connecting hole for allowing an anchor bolt to penetrate through is formed in the lower supporting plate, the bottom of the anchor bolt is embedded in an upright post, an adjusting nut is sleeved on the anchor bolt, and the adjusting nut is positioned below the lower supporting plate; the lower supporting plate is connected with the upright post through a post-poured cushion stone, and a reinforcing mesh with a supporting function is arranged inside the cushion stone; the anchor bolt is positioned outside the cushion stone; go up the backup pad and be connected with the roof beam, go up and be provided with the tetrafluoro board between backup pad and the shock mount, be provided with the compression on the tetrafluoro board and not kick-back be used for the gluey piece of record maximum displacement position.
2. The bridge support with the measurable displacement and the adjustable height according to claim 1, wherein: the damping seat is a rubber damping block and is positioned in the center of the upper supporting plate and the center of the lower supporting plate.
3. The bridge support with the adjustable displacement and the adjustable height as set forth in claim 1, wherein: the pre-buried depth of the anchor bolt on the upright post is 25-30 cm.
4. The bridge support with the measurable displacement and the adjustable height according to claim 1, wherein: the crab-bolt is located four edges of bottom suspension fagging department, all is provided with two adjusting nut on every crab-bolt, is provided with the spring shim between adjusting nut and the bottom suspension fagging.
5. The bridge support with the measurable displacement and the adjustable height according to claim 1, wherein: the pad stone is formed by pouring concrete grouting material with the strength of C50; the upper supporting plate is fixedly connected with the beam through adhesive steel glue, and the adhesive steel glue is epoxy adhesive steel glue.
6. The bridge support with the measurable displacement and the adjustable height according to claim 1, wherein: limiting plates are arranged around the shock absorption seat, the limiting plates are located between the upper supporting plate and the lower supporting plate, and the bottoms of the limiting plates are fixedly connected with the lower supporting plate.
7. The bridge support with the measurable displacement and the adjustable height according to claim 1, wherein: the reinforcing mesh comprises a vertical U-shaped reinforcing steel bar and a vertical U-shaped reinforcing steel bar, the bottom of the vertical U-shaped reinforcing steel bar is connected with the bottom of the horizontal U-shaped reinforcing steel bar through a vertical bar, and the bottom of the vertical U-shaped reinforcing steel bar is connected with the bottom of the vertical U-shaped reinforcing steel bar through a horizontal bar.
CN202123239125.4U 2021-12-21 2021-12-21 Bridge support with displacement-measurable height adjustable Active CN216809542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123239125.4U CN216809542U (en) 2021-12-21 2021-12-21 Bridge support with displacement-measurable height adjustable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123239125.4U CN216809542U (en) 2021-12-21 2021-12-21 Bridge support with displacement-measurable height adjustable

Publications (1)

Publication Number Publication Date
CN216809542U true CN216809542U (en) 2022-06-24

Family

ID=82057266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123239125.4U Active CN216809542U (en) 2021-12-21 2021-12-21 Bridge support with displacement-measurable height adjustable

Country Status (1)

Country Link
CN (1) CN216809542U (en)

Similar Documents

Publication Publication Date Title
CN214784796U (en) Anti-seismic profile steel structure fabricated building
CN209799167U (en) Pre-buried column base reinforcing system
CN211143549U (en) Connection structure of assembled stair and wall body
CN216809542U (en) Bridge support with displacement-measurable height adjustable
CN217079108U (en) Vertical adjustable shock attenuation steel construction
CN114411536A (en) Bridge support with displacement measurable and height adjustable and installation method thereof
CN112709128B (en) Bridge expansion joint structure resisting excessive deformation and construction method thereof
CN212452251U (en) Anti-seismic bent cap
CN211369597U (en) Construction is with recoverable bearing diagonal structure
CN100469984C (en) Low cost energy-consumption shock-dampening method, the related device and its usage method
CN110657977A (en) Loading support for detecting structural performance of assembled prefabricated staircase
CN217949318U (en) Multi-layer steel structure plant supporting frame
CN113565123B (en) Movable type variable-counterweight steel structure temporary support foundation and installation method thereof
CN207597584U (en) Accentric support frame
CN100570066C (en) Change the Template Location method of laminated rubber bearing on the road bridge abutment
CN113622308A (en) Bottle pier shaft and bent cap integration construction formwork
CN214695135U (en) Shock attenuation bridge beam supports convenient to height-adjusting
CN210154917U (en) Four-axis three-dimensional trapezoidal reaction frame
CN211472913U (en) Shock insulation layer structure
CN2537773Y (en) Non-metal plate and metal plate composite elevated floor structure
CN217378629U (en) Bridge reinforcing device for municipal bridge engineering
CN210421145U (en) Column base installation fixed node structure
CN216194045U (en) Bottle pier shaft and bent cap integration construction formwork
CN217678611U (en) Precast beam hinge formula end support
CN219586930U (en) Socket-and-spigot assembled concrete column connection structure with shock-absorbing function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant