CN209975375U - Adjustable bearing of precast beam embedded steel plate - Google Patents
Adjustable bearing of precast beam embedded steel plate Download PDFInfo
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- CN209975375U CN209975375U CN201920489422.8U CN201920489422U CN209975375U CN 209975375 U CN209975375 U CN 209975375U CN 201920489422 U CN201920489422 U CN 201920489422U CN 209975375 U CN209975375 U CN 209975375U
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Abstract
The utility model discloses an adjustable bearing of pre-buried steel sheet of precast beam, the pedestal comprises a pedestal, be fixed with first backup pad and second backup pad on the pedestal top surface, fixedly connected with fixed plate between first backup pad and the second backup pad side upper end, fixed embedding has four stop sleeve on the fixed plate, fixed mounting has a plurality of bearing frames on the pedestal top surface, rotates between the bearing frame between relative to be connected with the steel axle. The utility model discloses can the accurate control obtain pre-buried steel sheet slope, adjustable bearing can have enough to meet the need the use, the cost is practiced thrift, the slope adjustment is convenient moreover, be fit for different slope roof beam slabs, and practice thrift engineering time, the precast beam only needs to transfer the steel sheet to the level when prefabricating and can replace the die block, avoided repeated cutting, repair the template, in the work progress, the slope is accurate, unnecessary reuse steel sheet liner when the roof beam slab installation, the speed of erectting of roof beam slab has been improved, and the inhomogeneous phenomenon of support atress has still been reduced.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is an adjustable bearing of precast beam pre-buried steel sheet.
Background
During bridge construction, longitudinal and transverse slopes of a route are usually considered, and the transverse slope is realized by arranging the transverse slope on a cover beam and arranging the transverse slope on the top surface of the beam according to design. The longitudinal slope of the bridge is realized by arranging the longitudinal slope and the height difference of the front and rear adjacent pier capping beams through the embedded steel plates at the beam bottom. The longitudinal and transverse gradients are set on the top of a cover beam of the bridge at a primary gradient, the top surface of a bearing pad stone and the top surface of the bearing on the top of the cover beam are changed into horizontal planes to ensure that the stressed position of a precast beam fulcrum is vertical, the beam body is adjusted to be horizontal at the fulcrum position and then the longitudinal and transverse gradients are adjusted to ensure that the bridge surface is provided with a slope, the precast beams are all uniform in specification and size, and in order to ensure the gradient realization, the gradient setting is required on an embedded plate at the precast beam fulcrum position.
The traditional construction method is that a groove is formed in the position of a fulcrum of a precast beam pedestal 1, fine sand is paved in the groove, an embedded steel plate is placed on the fine sand, the gradient of the embedded steel plate is adjusted according to the sand paving thickness, the sand is disturbed sometimes in the construction vibration process, the gradient of the embedded steel plate is not accurate after the pouring of part of a beam body is completed and the local gap between the beam plate and a support contact part is larger, the serious local void is caused, the design and standard requirements cannot be met, the instable beam plate installation is easily caused, and the bearing stress is unbalanced. In another method, a horizontal steel plate is pre-embedded when a beam plate is prefabricated, and then a wedge-shaped steel plate is additionally processed and placed below the pre-embedded steel plate to realize gradient, but the wedge-shaped steel plate is complex to process, high in cost and uneconomical. Therefore, the adjustable bearing for the pre-embedded steel plate of the precast beam is improved.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides an adjustable bearing of precast beam pre-buried steel sheet.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an adjustable bearing of precast beam pre-buried steel plate, which comprises a pedestal, a first supporting plate and a second supporting plate are fixed on the top surface of the pedestal, a fixed plate is fixedly connected between the upper ends of the side surfaces of the first supporting plate and the second supporting plate, four limit sleeves are fixedly embedded on the fixed plate, a plurality of bearing seats are fixedly arranged on the top surface of the pedestal, a steel shaft is rotatably connected between the opposite bearing seats, an unequal steel plate and a driving U-shaped steel plate are fixedly sleeved on the steel shaft, the unequal steel plate and the driving U-shaped steel plate are laminated, sliding grooves are fixedly arranged on the two side walls of the driving U-shaped steel plate, a positioning threaded sleeve is arranged between the inner side surfaces of the driving U-shaped steel plate, positioning rods are fixedly connected on the two sides of the positioning threaded sleeve and are respectively in sliding connection with the sliding grooves on the driving, lead screw one end passes through bearing swivelling joint with first backup pad, lead screw one end is passed the location screw sleeve and is worn out second backup pad and rocking handle fixed connection, the laminating of unequal round steel plate top is provided with movable steel sheet, activity steel sheet top surface is fixed with two bracing pieces, the bracing piece inserts in the spacing sleeve.
As an optimal technical scheme of the utility model, four per two of limit sleeve are a set of, and two sets of limit sleeve diagonal angle are fixed to be embedded in on the fixed plate.
As an optimized technical scheme of the utility model, the locating lever is circular with the cross-section of drive U steel sheet contact department.
As a preferred technical scheme of the utility model, the spacing fixed plate of fixedly connected with on the fixed plate bottom surface, the lead screw passes the fixed plate.
As an optimal technical scheme of the utility model, the bearing frame passes through bolt fixed mounting on the pedestal.
The utility model has the advantages that: this kind of adjustable bearing of precast beam pre-buried steel sheet, can accurate control obtain pre-buried steel sheet slope, adjustable bearing can have enough to meet the need the use, the cost is practiced thrift, and the slope adjustment is convenient, be fit for different slope beam slabs, and practice thrift engineering time, precast beam only need transfer the steel sheet to the level when prefabricating when turning round can replace the die block, repeated cutting has been avoided, the template is repaired, in the work progress, the slope is accurate, unnecessary reuse steel sheet liner during beam slab installs, the speed of erectting of beam slab has been improved, and the inhomogeneous phenomenon of support atress has still been reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an adjustable bearing of a pre-buried steel plate of the precast beam of the present invention;
fig. 2 is a schematic view of the adjustable bearing of the precast beam embedded steel plate of the present invention;
fig. 3 is a schematic structural view of an a-a interface in fig. 2 of an adjustable bearing of a precast beam embedded steel plate according to the present invention;
fig. 4 is the utility model relates to an implement mounting structure schematic diagram of the adjustable bearing of precast beam pre-buried steel sheet.
In the figure: 1. a pedestal; 2. a first support plate; 3. a second support plate; 4. a bearing seat; 5. a steel shaft; 6. unequal round steel plates; 7. driving the U steel plate; 8. positioning the threaded sleeve; 9. positioning a rod; 10. a lead screw; 11. a movable steel plate; 12. a support bar; 13. a limiting sleeve; 14. fixed plate, 15, rocking handle.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1, 2, 3 and 4, the adjustable bearing of the precast beam embedded steel plate of the utility model comprises a pedestal 1, wherein a first supporting plate 2 and a second supporting plate 3 are fixed on the top surface of the pedestal 1, a fixing plate 14 is fixedly connected between the upper ends of the side surfaces of the first supporting plate 2 and the second supporting plate 3, four limit sleeves 13 are fixedly embedded on the fixing plate 14, a plurality of bearing seats 4 are fixedly arranged on the top surface of the pedestal 1, a steel shaft 5 is rotatably connected between the opposite bearing seats 4, an unequal steel plate 6 and a driving U-shaped steel plate 7 are fixedly sleeved on the steel shaft 5, the unequal steel plate 6 is attached to the driving U-shaped steel plate 7, sliding grooves are fixedly arranged on the two side walls of the driving U-shaped steel plate 7, a positioning threaded sleeve 8 is arranged between the inner side surfaces of the driving U-shaped steel plate 7, positioning rods 9 are fixedly connected on the two, two positioning rods 9 are respectively connected with an upper chute of a driving U-shaped steel plate 7 in a sliding manner, a screw rod 10 is arranged between a first supporting plate 2 and a second supporting plate 3, one end of the screw rod 10 is rotationally connected with the first supporting plate 2 through a bearing, one end of the screw rod 10 penetrates through a positioning threaded sleeve 8 and penetrates out of the second supporting plate 3 to be fixedly connected with a rocking handle 15, a movable steel plate 11 is arranged at the top end of an unequal round steel plate 6 in a laminating manner, two supporting rods 12 are fixed on the top surface of the movable steel plate 11, the supporting rods 12 are inserted into a limiting sleeve 13, the adjustable bearing of the pre-buried steel plate of the precast beam can accurately control the gradient of the pre-buried steel plate, the adjustable bearing can be used in a turnover manner, the cost is saved, the gradient adjustment is convenient, the construction time is saved, and the precast beam can be used for, repeated cutting and repairing of the template are avoided, the gradient is accurate in the construction process, steel plate liners are not needed to be used when the beam plate is installed, the erection speed of the beam plate is improved, and the phenomenon of uneven stress of the support is reduced.
Two of the four limiting sleeves 13 are arranged in one group, and two groups of limiting sleeves 13 are diagonally fixed and embedded in the fixing plate 14.
The cross section of the contact part of the positioning rod 9 and the driving U-shaped steel plate 7 is circular.
Wherein, the bottom surface of the fixed plate 14 is fixedly connected with a limiting fixed plate, and the screw rod 10 passes through the fixed plate.
Wherein, the bearing seat 4 is fixedly installed on the pedestal 1 through bolts.
During operation
During the construction 1 fulcrum position of precast beam pedestal carries out the trompil according to the size of pre-buried steel sheet, in the space of this part of pedestal 1, arranges this device in pedestal 1, adjusts pre-buried steel sheet height through the lift of a plurality of bracing pieces 12 on the movable steel sheet 11 and realizes pre-buried steel sheet slope.
Place pre-buried steel sheet on bracing piece 12, with the accurate measurement steel sheet slope of water level gauge to die the screw lock, receive the disturbance slope change at the pouring vibration in-process with the steel sheet. And after the embedded steel plate is adjusted and fixed, performing grout stopping and sealing treatment on the periphery of the embedded steel plate. Then the steel plate and the connecting steel bar of the beam can be welded after the steel bar of the box beam is bound, and normal construction is carried out.
The device is a device capable of adjusting the height and is divided into a movable steel plate 11, a support rod 12 embedded with the steel plate and a driving device.
The supporting rods 12 of the embedded steel plates are welded at four corners of the movable steel plates 11, the supporting rods 12 are made of phi 32 round steel, the movable steel plates 11 are made of 10mm steel plates, the size of each movable steel plate 11 can be the same as that of each embedded steel plate, and the movable steel plates 11 are moved by the aid of the driving device to achieve embedded steel plate slope.
The driving device comprises a rocking handle 15, a bearing seat 4, a screw rod 10, a steel shaft 5, a driving U-shaped steel plate 7 welded on the steel shaft 5, an unequal round steel plate 6 and the like, wherein the screw rod 10 is arranged perpendicular to the pedestal 1, and the steel shaft 5 is arranged parallel to the pedestal 1.
The concrete principle is that a screw rod is rotated by shaking a rocking handle 10 extending to the side face of a pedestal 1, a U steel plate 7 is driven to move back and forth by the back and forth movement of the screw rod 10, a steel shaft 5 fixed on a bearing seat 4 is driven to rotate by the back and forth movement of the U steel plate 7, the steel shaft 5 rotates to enable an unequal steel plate 6 welded on the steel shaft 5 to rotate, the movable steel plate 11 is enabled to move up and down along with the change of the radius from small to large due to the difference of the radius of the unequal steel plate 6, the slope can be flexibly and accurately adjusted by enabling an embedded steel plate to move up and down through a supporting rod 12, and.
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.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The adjustable bearing of the pre-buried steel plate of the precast beam is characterized by comprising a pedestal (1), wherein a first supporting plate (2) and a second supporting plate (3) are fixed on the top surface of the pedestal (1), a fixed plate (14) is fixedly connected between the upper ends of the side surfaces of the first supporting plate (2) and the second supporting plate (3), four limit sleeves (13) are fixedly embedded in the fixed plate (14), a plurality of bearing seats (4) are fixedly arranged on the top surface of the pedestal (1), a steel shaft (5) is rotatably connected between the bearing seats (4) between the two sides, an unequal round steel plate (6) and a driving U-shaped steel plate (7) are fixedly sleeved on the steel shaft (5), the unequal round steel plate (6) and the driving U-shaped steel plate (7) are laminated, sliding grooves are fixedly arranged on the two side walls of the driving U-shaped steel plate (7), and a positioning threaded sleeve (8) is arranged between the inner side, positioning thread sleeve (8) both sides fixedly connected with locating lever (9), two locating levers (9) respectively with drive U steel sheet (7) go up chute sliding connection, be equipped with lead screw (10) between first backup pad (2) and second backup pad (3), lead screw (10) one end passes through bearing swivelling joint with first backup pad (2), lead screw (10) one end is passed positioning thread sleeve (8) and is worn out second backup pad (3) and rocking handle (15) fixed connection, the laminating of unequal round steel board (6) top is provided with movable steel sheet (11), movable steel sheet (11) top surface is fixed with two bracing pieces (12), bracing piece (12) are inserted in spacing sleeve (13).
2. The adjustable support for the pre-buried steel plates of the precast beams as claimed in claim 1 is characterized in that four limiting sleeves (13) are arranged in groups of two, and two groups of limiting sleeves (13) are diagonally fixed and embedded on a fixing plate (14).
3. The adjustable bearing of the precast beam embedded steel plate as claimed in claim 1, characterized in that the cross section of the contact part of the positioning rod (9) and the driving U-shaped steel plate (7) is circular.
4. The adjustable support for the pre-buried steel plates of the precast beams as claimed in claim 1 is characterized in that a limiting fixing plate is fixedly connected to the bottom surface of the fixing plate (14), and a screw rod (10) penetrates through the fixing plate.
5. The adjustable support for the pre-buried steel plates of the precast beams as claimed in claim 1 is characterized in that the bearing seat (4) is fixedly installed on the pedestal (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489422.8U CN209975375U (en) | 2019-04-12 | 2019-04-12 | Adjustable bearing of precast beam embedded steel plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489422.8U CN209975375U (en) | 2019-04-12 | 2019-04-12 | Adjustable bearing of precast beam embedded steel plate |
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| Publication Number | Publication Date |
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| CN209975375U true CN209975375U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920489422.8U Active CN209975375U (en) | 2019-04-12 | 2019-04-12 | Adjustable bearing of precast beam embedded steel plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976298A (en) * | 2021-02-21 | 2021-06-18 | 中交一公局西北工程有限公司 | Gradient adjusting device for T-beam bottom embedded steel plate and construction method thereof |
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2019
- 2019-04-12 CN CN201920489422.8U patent/CN209975375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976298A (en) * | 2021-02-21 | 2021-06-18 | 中交一公局西北工程有限公司 | Gradient adjusting device for T-beam bottom embedded steel plate and construction method thereof |
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