CN212714547U - Segment prefabricated beam erection adjusting device - Google Patents
Segment prefabricated beam erection adjusting device Download PDFInfo
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- CN212714547U CN212714547U CN202020989321.XU CN202020989321U CN212714547U CN 212714547 U CN212714547 U CN 212714547U CN 202020989321 U CN202020989321 U CN 202020989321U CN 212714547 U CN212714547 U CN 212714547U
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a segment precast beam erection adjusting device, which comprises a support, a base and wedge-shaped seats, wherein the top of the support is provided with a horizontal supporting surface, the bottom of the support is provided with an upper inclined plane in the shape of an inverted splayed figure, the top of the base is provided with a lower inclined plane in the shape of a splayed figure, and each wedge-shaped seat is slidably attached between the upper inclined plane and the lower inclined plane on the corresponding side; the steering mechanism is characterized by also comprising two groups of adjusting components, wherein each adjusting component comprises a connecting rod, a steering block and a limiting piece, and one end of each connecting rod is rotatably connected to the lower inclined plane; the steering block is rotatably arranged on the side wall of the wedge-shaped seat away from the other wedge-shaped seat, and the other end of the connecting rod penetrates through the abdicating groove and then is connected to the steering block; the locating part is in threaded fit with the connecting rod, and the locating part is locked on the steering block. The adjusting device is easy to operate, simple in structure, wide in application range, reusable and good in economic effect, and can adjust the elevation and the cross slope of the section precast beam support.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to prefabricated roof beam of festival section erects adjusting device.
Background
At present, the segment prefabrication and assembly technology is widely applied to bridge engineering construction projects, and has the advantages of being beneficial to the continuity of bridge construction and not causing interference to daily traffic of cities. Because the festival section all is prefabricated in the mill, construction quality can be guaranteed, in addition, in whole work progress relatively environmental protection, do not have obvious noise and dust pollution, can not cause the interference to surrounding resident daily life, consequently this technique is particularly suitable for the construction in the city.
The bridge erection mode usually adopts a symmetrical cantilever assembly method, a floor type temporary support frame needs to be erected if part of sections cannot realize symmetrical cantilever assembly, a device capable of adjusting elevation is arranged on an I-shaped steel cross beam at the top of a steel pipe column to adjust the designed elevation and the transverse gradient of a main beam, and after the elevation is adjusted, erection machinery is adopted to hoist the sections. To ensure the accuracy of the safe unloading and elevation adjustment of the support, it is often necessary to provide a multifunctional adjustment device on the i-beam between the temporary support structure and the segment, the conventional adjustment device mainly has three methods: the first kind adopts the sand bucket, the second kind adopts three-way jack, and the third kind adopts the beam adjustment dolly.
The first kind adopts the sand bucket to adjust, because the sand bucket top surface is smooth, so can't directly adopt the sand bucket to adjust the horizontal slope of segment, if need adjust the horizontal slope, then need increase the steel sheet between segment beam bottom portion and sand bucket top, the construction is more complicated like this, and the process is more to the gravel is wet easily in the work progress, and the grit is difficult for drawing out when the support falls the frame, is unfavorable for the safe convenient unloading of support. And the second method adopts a three-way jack for adjustment, and the method can adjust the coordinates of the segmental beam in three directions, but the lifting amplitude and the descending amplitude of the jack are large, the safety risk coefficient is low, the construction cost is high, and the adjustment speed is slow. And the third method adopts the beam adjusting trolley, the method has high adjusting speed, but has high cost, complex structure and difficult operation, and the construction cost is greatly increased if each section is adjusted by adopting the beam adjusting trolley.
Therefore, aiming at the problems of large potential safety hazard, large construction cost and low time efficiency existing in the process of height adjustment in the erection of the segment precast beam in the prior art, a multifunctional adjusting device suitable for the erection construction of the segment precast beam is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a festival section precast beam erects adjusting device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a section prefabricated beam erection adjusting device comprises a support, a base and a wedge-shaped base, wherein the top of the support is provided with a horizontal supporting surface, the bottom of the support is provided with an inverted-splayed upper inclined surface, and the top of the base is provided with a splayed lower inclined surface; the two wedge-shaped seats are arranged left and right, and each wedge-shaped seat is attached between the upper inclined surface and the lower inclined surface of the corresponding side in a sliding manner;
the steering mechanism is characterized by further comprising two groups of adjusting components, each adjusting component comprises a connecting rod, a steering block and a limiting piece, and one end of each connecting rod is rotatably connected to the lower inclined plane; the steering block is rotatably arranged on the side wall of the wedge-shaped seat away from the other wedge-shaped seat, the bottom of the wedge-shaped seat is recessed upwards to form a yielding groove, and the other end of the connecting rod penetrates through the yielding groove and then is connected to the steering block; the limiting part is in threaded fit with the connecting rod, and the limiting part is locked on the steering block.
Furthermore, an arc-shaped groove is formed in the side wall, away from the other wedge-shaped seat, of each wedge-shaped seat in a recessed mode, the arc-shaped grooves are communicated with the abdicating grooves, and the groove width of each arc-shaped groove is larger than that of each abdicating groove;
the steering block is arranged in the arc-shaped groove and provided with a rotating arc surface in fit with the arc-shaped groove; the connecting rod runs through and turns to the piece, turns to the rotation plane of piece and is unanimous with the rotation plane of connecting rod, and the locating part locking is turning to the piece and deviating from the one side of rotating the cambered surface.
Furthermore, the top of the base is concavely provided with an accommodating groove, and the accommodating groove extends along the length direction of the base; one end of the connecting rod is provided with a rotating shaft, the two ends of the rotating shaft are respectively connected to the two opposite groove walls of the accommodating groove in a rotating mode, and the connecting rod is vertically connected to the middle of the rotating shaft.
Furthermore, a through hole is formed in the steering block, and the connecting rod is in fit in the through hole.
The wedge-shaped seat further comprises guide strips arranged at the bottom of the wedge-shaped seat, and the two guide strips are symmetrically arranged on two sides of the notch of the abdicating groove;
the groove width of holding tank is greater than the groove width in the groove of stepping down, and every gib block all with the holding tank cell wall slip laminating that corresponds one side.
Furthermore, the limiting pieces are nuts, and the number of the limiting pieces in each group of adjusting assemblies is two.
Furthermore, the cross sections of the support and the base are isosceles trapezoids.
The utility model has the advantages that: the utility model discloses a prefabricated roof beam of festival section erects adjusting device, it is through setting up support, base and controlling two wedge seats, the wedge seat respectively with the mutual adaptation in inclined plane of support and base, make the wedge seat along last inclined plane with down the inclined plane outwards perhaps inwards slide, carry on spacingly to the position of wedge seat through locating part on the elasticity/tight connecting rod to adjust the interval between two wedge seats, and then realize the lift adjustment to the support. And the adjusting component on each wedge-shaped seat is independently operated, and the support is driven to incline by adjusting the position of the wedge-shaped seat on one side, so that the supporting surface of the support is inclined, and the adjustment of the cross slope is realized. This adjusting device operation is simple and easy, and simple structure comes to carry on spacingly to the position of wedge seat through locating part on the elasticity/tight connecting rod, not only can adjust the elevation and the cross slope of segment precast beam support, can also regard as unloading of interim support, and application scope is wide, repeatedly usable has good economic benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a segment precast beam erection adjusting device of the present invention;
FIG. 2 is a side view of the wedge base with the curved groove;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of a turning block;
FIG. 5 is a side view of the base;
FIG. 6 is a schematic view of the pedestal in a raised condition;
FIG. 7 is a schematic view of a lowered state of the stand;
fig. 8 is a schematic view showing a state in which the stand is inclined.
Reference numerals:
1-support seat, 11-support surface, 12-upper inclined surface, 2-base, 21-lower inclined surface, 22-accommodating groove, 3-wedge-shaped seat, 31-abdicating groove, 32-arc-shaped groove, 4-adjusting component, 41-connecting rod, 42-steering block, 421-rotating arc surface, 422-through hole, 43-limiting piece, 44-rotating shaft and 5-guide strip.
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, in order to provide the adjusting device for erecting the segment precast beam of the present invention, the adjusting device includes a support 1, a base 2 and a wedge-shaped seat 3, the top of the support 1 has a horizontal supporting surface 11, the bottom of the support 1 is formed with an upper inclined surface 12 in the shape of an inverted-eight, and the top of the base 2 is formed with a lower inclined surface 21 in the shape of an inverted-eight; the two wedge-shaped seats 3 are arranged left and right, and each wedge-shaped seat 3 is attached between the upper inclined surface 12 and the lower inclined surface 21 on the corresponding side in a sliding manner; the device also comprises two groups of adjusting components 4, each adjusting component 4 comprises a connecting rod 41, a steering block 42 and a limiting piece 43, and one end of each connecting rod 41 is rotatably connected to the lower inclined surface 21; the steering block 42 is rotatably arranged on the side wall of the wedge-shaped seat 3 departing from the other wedge-shaped seat 3, the bottom of the wedge-shaped seat 3 is recessed upwards to form an abdicating groove 31, and the other end of the connecting rod 41 penetrates through the abdicating groove 31 and then is connected to the steering block 42; the stopper 43 is screwed to the connecting rod 41, and the stopper 43 abuts on the steering block 42.
The utility model discloses an adjusting device includes support 1, base 2 and two wedge seats 3, and wherein, support 1 establishes in the top of base 2, and support 1 is formed with the last inclined plane 12 that is the splayed towards the one side of base 2, and the top of base 2 is equipped with the lower inclined plane 21 that is the splayed, and two wedge seats 3 are established respectively between a pair of last inclined plane 12 and lower inclined plane 21, wedge seat 3 respectively with last inclined plane 12 with lower inclined plane 21 slip laminating. Through adjusting the interval of two wedge seats 3, make two wedge seats 3 outwards or inwards slide along the last inclined plane 12 and the lower inclined plane 21 that correspond one side respectively to drive upper base 2 and go up and down, realize height control.
Specifically, every wedge seat 3 is connected on base 2 through a set of adjusting part 4, when the adjustment, loosen locating part 43, promote two wedge seats 3 and be located same height, because wedge seat 3's position has taken place to remove, consequently, when carrying out spacing fixed to wedge seat 3 after shifting, need the adaptability to rotate connecting rod 41 and turn to piece 42, screw up locating part 43 again and paste and lean on turning to piece 42, can fix the position of wedge seat 3, and then adjust support 1 in vertical position.
The utility model discloses a prefabricated beam of section erects adjusting device, it is through setting up support 1, base 2 and controlling two wedge seats 3, wedge seat 3 respectively with the mutual adaptation in inclined plane of support 1 and base 2, make wedge seat 3 along last inclined plane 12 with down the outside or the inside slip of inclined plane 21, carry on spacingly to wedge seat 3's position through locating part 43 on the elasticity connecting rod 41 to adjust the interval between two wedge seats 3, and then realize the lift adjustment to support 1. And the adjusting component 4 on each wedge-shaped seat 3 is operated independently, and the position of the wedge-shaped seat 3 on one side is adjusted to drive the support 1 to incline, so that the supporting surface 11 of the support 1 is inclined, and the adjustment of the cross slope is realized. This adjusting device operation is simple and easy, and simple structure comes to carry on spacingly to wedge seat 3's position through locating part 43 on the elasticity/tight connecting rod 41, not only can adjust the elevation and the cross slope of segmental precast beam support, can also regard as unloading of interim support to fall, and repeatedly usable has good economic benefits.
In a specific embodiment, referring to fig. 2 to 4, an arc-shaped groove 32 is concavely formed on a side wall of each wedge-shaped seat 3 facing away from the other wedge-shaped seat 3, the arc-shaped groove 32 is communicated with the abdicating groove 31, and the groove width of the arc-shaped groove 32 is larger than that of the abdicating groove 31; the steering block 42 is arranged in the arc-shaped groove 32, and the steering block 42 is provided with a rotating arc surface 421 matched with the arc-shaped groove 32 in a form-fitting manner; the connecting rod 41 penetrates through the turning block 42, the rotating plane of the turning block 42 is consistent with the rotating plane of the connecting rod 41, and the limiting piece 43 is attached to one surface, away from the rotating arc surface 421, of the turning block 42.
Specifically, referring to fig. 6 and 7, when the supporting surface 11 of the supporting seat 1 needs to be adjusted to ascend and descend, the limiting member 43 is firstly loosened to push the two wedge-shaped seats 3 to be located at the same height, and since the positions of the wedge-shaped seats 3 are moved, the positions of the connecting rod 41 and the steering block 42 are also adaptively rotated, specifically, since one end of the connecting rod 41 is hinged to the base 2, the movement of the wedge-shaped seats 3 drives the connecting rod 41 to rotate, and meanwhile, the rotating arc 421 of the steering block 42 rotates along the arc groove 32. When the wedge-shaped seat 3 after displacement is limited and fixed, the limiting piece 43 is screwed down and attached to the steering block 42, so that the positions of the two wedge-shaped seats 3 can be fixed, and the supporting surface 11 of the support 1 is adjusted in a lifting manner.
Referring to fig. 8, when the support surface 11 of the support 1 needs to be adjusted in an inclined manner, the limiting member 43 is firstly released to push one of the wedge-shaped seats 3, and since the position of the wedge-shaped seat 3 is moved, the positions of the connecting rod 41 and the steering block 42 are also adaptively rotated, specifically, since one end of the connecting rod 41 is hinged to the base 2, the movement of the wedge-shaped seat 3 drives the connecting rod 41 to rotate, and meanwhile, the rotating arc 421 of the steering block 42 rotates along the arc groove 32. When the wedge base 3 after shifting is limited and fixed, the limiting piece 43 is screwed down to be attached to the steering block 42, and the position of the wedge base 3 can be fixed, and because the two wedge bases 3 are not at the same height, the upper inclined surface 12 of the support 1 is contacted with the two wedge bases 3 to cause the support 1 to incline towards the wedge base 3 with a lower position, so that the supporting surface 11 is inclined, and the adjustment of a cross slope is realized.
In one embodiment, referring to fig. 5, the top of the base 2 is recessed to form a receiving groove 22, and the receiving groove 22 extends along the length direction of the base 2; one end of the connecting rod 41 is provided with a rotating shaft 44, two ends of the rotating shaft 44 are respectively and rotatably connected to two opposite groove walls of the accommodating groove 22, and the connecting rod 41 is vertically connected to the middle part of the rotating shaft 44. By rotatably connecting the connecting rod 41 in the receiving groove 22 of the base 2, the connecting rod 41 is conveniently connected to the turning block 42 through the avoiding groove 31, so that the movement of the wedge-shaped seat 3 on the base 2 is not disturbed.
In one particular embodiment, the turning block 42 is provided with a through hole 422, and the connecting rod 41 is form-fit within the through hole 422. The through hole 422 is in clearance fit with the connecting rod 41, and in order to improve the stress condition, the through hole 422 is generally arranged at the center of the steering block 42.
In a specific embodiment, the wedge-shaped seat further comprises guide strips 5 arranged at the bottom of the wedge-shaped seat 3, and the two guide strips 5 are symmetrically arranged at two sides of the notch of the abdicating groove 31; the groove width of holding tank 22 is greater than the groove width of groove 31 of stepping down, and every gib block 5 all with the holding tank 22 cell wall sliding fit who corresponds one side. In order to increase the guidance quality between wedge seat 3 and lower inclined plane 21, 3 off tracking of wedge seat when preventing to promote wedge seat 3, be equipped with two gibs 5 respectively in the both sides of groove 31 notch of stepping down, in two gibs 5 can imbed holding tank 22 to every gib 5 respectively with the holding tank 22 cell wall sliding fit who corresponds one side.
In one embodiment, the limiting members 43 are nuts, and the number of the limiting members 43 in each set of the adjusting assembly 4 is two. In order to prevent the loosening phenomenon occurring when the limiting members 43 are single, the number of the limiting members 43 on each connecting rod 41 is two.
In one embodiment, the cross sections of the support 1 and the base 2 are isosceles trapezoids.
The adjusting device can also be used for unloading the support, after the adjusting device is adjusted according to the elevation and the cross slope of the construction requirement, the segment beam is hoisted to the adjusting device by adopting bridge equipment, and after the segment beam completes integral prestress tensioning grouting, the temporary support is unloaded to complete the conversion of the bridge system. When unloading, loosen locating part 43, make two wedge bases 3 along outwards sliding to realize that support 1 elevation descends, treat when two wedge bases 3 take out completely, just accomplished the unloading of support.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a section prefabricated beam erects adjusting device which characterized in that: the support comprises a support, a base and a wedge-shaped seat, wherein the top of the support is provided with a horizontal supporting surface, the bottom of the support is provided with an inverted splayed upper inclined surface, and the top of the base is provided with a splayed lower inclined surface; the two wedge-shaped seats are arranged left and right, and each wedge-shaped seat is attached between the upper inclined surface and the lower inclined surface of the corresponding side in a sliding manner;
the steering mechanism is characterized by further comprising two groups of adjusting components, each adjusting component comprises a connecting rod, a steering block and a limiting piece, and one end of each connecting rod is rotatably connected to the lower inclined plane; the steering block is rotatably arranged on the side wall of the wedge-shaped seat away from the other wedge-shaped seat, the bottom of the wedge-shaped seat is recessed upwards to form a yielding groove, and the other end of the connecting rod penetrates through the yielding groove and then is connected to the steering block; the limiting part is in threaded fit with the connecting rod, and the limiting part is locked on the steering block.
2. Segment preform beam setting adjustment device according to claim 1, characterized in that: an arc-shaped groove is formed in the side wall of each wedge-shaped seat, which is far away from the other wedge-shaped seat, in a recessed mode, the arc-shaped groove is communicated with the abdicating groove, and the groove width of the arc-shaped groove is larger than that of the abdicating groove;
the steering block is arranged in the arc-shaped groove and provided with a rotating arc surface in fit with the arc-shaped groove; the connecting rod runs through and turns to the piece, turns to the rotation plane of piece and is unanimous with the rotation plane of connecting rod, and the locating part locking is turning to the piece and deviating from the one side of rotating the cambered surface.
3. Segment preform beam setting adjustment device according to claim 2, characterized in that: the top of the base is concavely provided with an accommodating groove, and the accommodating groove extends along the length direction of the base; one end of the connecting rod is provided with a rotating shaft, the two ends of the rotating shaft are respectively connected to the two opposite groove walls of the accommodating groove in a rotating mode, and the connecting rod is vertically connected to the middle of the rotating shaft.
4. The segment precast beam erection adjusting device of claim 3, wherein: the steering block is provided with a through hole, and the connecting rod is in fit in the through hole.
5. The segment precast beam erection adjusting device of claim 3, wherein: the guide bars are arranged at the bottom of the wedge-shaped seat, and the two guide bars are symmetrically arranged at two sides of the notch of the abdicating groove;
the groove width of holding tank is greater than the groove width in the groove of stepping down, and every gib block all with the holding tank cell wall slip laminating that corresponds one side.
6. Segment preform beam setting adjustment device according to claim 1, characterized in that: the locating part is the nut, and the quantity of locating part in every group adjusting part is two.
7. The segment preform beam setting adjustment device of any one of claims 1 to 6, wherein: the cross sections of the support and the base are isosceles trapezoids.
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CN202020989321.XU CN212714547U (en) | 2020-06-02 | 2020-06-02 | Segment prefabricated beam erection adjusting device |
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CN202020989321.XU CN212714547U (en) | 2020-06-02 | 2020-06-02 | Segment prefabricated beam erection adjusting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113894534A (en) * | 2021-09-26 | 2022-01-07 | 康力电梯股份有限公司 | Two-way fine-tuning mechanism of escalator truss |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113894534A (en) * | 2021-09-26 | 2022-01-07 | 康力电梯股份有限公司 | Two-way fine-tuning mechanism of escalator truss |
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