CN210658043U - Novel leveling device for mounting assembly type pier - Google Patents
Novel leveling device for mounting assembly type pier Download PDFInfo
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- CN210658043U CN210658043U CN201921351819.7U CN201921351819U CN210658043U CN 210658043 U CN210658043 U CN 210658043U CN 201921351819 U CN201921351819 U CN 201921351819U CN 210658043 U CN210658043 U CN 210658043U
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Abstract
The utility model discloses a novel levelling device is used in installation of assembled pier, strengthen system and jack-up steel case including bottom plate, side direction reinforcing plate, hole. The bottom plate is provided with a connecting hole; the lateral reinforcing plate comprises two vertical stiffening steel plates which are parallel to each other, and a connecting plate is connected between the two vertical stiffening steel plates; the hole reinforcing system comprises two circular tubes, inner holes of the circular tubes and the connecting holes are concentrically arranged, a plurality of reinforcing ribs connected with the bottom plate are arranged on the outer circumferential surface of each circular tube, and the upper end and the lower end of each lateral reinforcing plate are fixedly connected with the reinforcing ribs; the jacking steel box is of a box-type structure with two open ends, the jacking steel box is located between two lateral reinforcing plates, connecting grooves are formed in two side plates of the jacking steel box respectively, one end opening of the jacking steel box is perpendicularly connected with the bottom plate, the other end opening of the jacking steel box extends out of the lateral reinforcing plates, and the upper end face and the lower end face of the jacking steel box are parallel to the horizontal plane. The utility model discloses the bulk stiffness is big, the bearing capacity is big, anti deformability is strong, and overall stability is good.
Description
Technical Field
The utility model relates to a bridge engineering's of construction engineering field assembled bridge construction, concretely relates to novel levelling device is used in installation of assembled pier.
Background
The bridge pier, the bent cap and the superstructure of the bridge engineering mostly adopt the traditional integral cast-in-place construction process. The integral cast-in-place construction process requires a cast-in-place support and a template, collapse construction is easily caused by support template construction, the integral cast-in-place construction process occupies a large space of an urban road, the influence on safe civilized construction of a construction site and traffic of an existing urban road is very large, and the integral cast-in-place construction is limited by construction site conditions, operation environments, difficult popularization of process automation operation and the like, so that the traditional bridge construction technology can not meet the fast-paced mode of modern urban construction in aspects of safety management comprehensiveness, fine construction quality, modularization of construction operation process, modularization of construction operation, rapidness of construction progress and the like, and the development and popularization of an assembled bridge are imperative.
The prefabricated assembly technology development of the bridge girder is relatively mature at present, the prefabricated section assembly construction of the bridge pier stud is usually applied to an overwater multi-span bridge by means of the matching of a large floating crane, and the process of popularization and application is relatively slow due to the influence of various restriction factors such as design specification vacancy, relatively large investment, construction process and acceptance standard deficiency, transportation conditions, bridge load and the like on the prefabricated pier stud construction of the urban bridge. In recent years, the assembly construction technology of industrial and civil buildings is driven by high-speed development, the BIM building informatization model technology is mature day by day, and the assembly pier has the advantages of modular production of professional manufacturers, high progress, high quality, low labor consumption, small safety risk, contribution to safe civilized construction and the like.
The prefabricated pier stud of urban bridge is hoisted by large-scale crawler crane, the anchor bar is reserved on the bearing platform between the assembled pier stud and the bridge bearing platform, the steel sleeve to be corrugated is inserted into the bottom of the assembled pier stud to be embedded, and the anchor bar and the steel sleeve are bonded by high-grade rapid hardening grouting material. When the assembled pier stud is accurately hoisted in place, only the hoisting belt of a crane can be roughly leveled but not precisely leveled, and when the prefabricated pier stud is precisely leveled in place in the past, a simple leveling device is manufactured by welding a steel plate bracket with a bottom plate steel plate, then the adjusting device and a steel sleeve grouting hole are fixed by a high-strength bolt, and finally, the assembled pier stud is leveled in place by 4 jacks of 50 t. The following disadvantages are analyzed according to the application effect of the simple leveling device:
1. because the rigidity of the steel plate bottom plate is insufficient, under the action of the load of the pier column sections, the middle part of the steel plate bottom plate is easy to warp and deform, and the pier column is easy to shift in the vertical direction after being leveled, so that the pier column is inclined.
2. The steel plate bracket is small in contact surface with the jack and easy to distort, so that the whole device is unstable and easy to sideslip.
3. The simple leveling device can cause large impact on a hoisting steel wire rope of the crawler crane for hoisting once the whole leveling device is unstable, and has great potential safety hazards.
4. The simple leveling device is excessively deformed, and simultaneously can cause damage to thread teeth of a grouting hole on a steel sleeve, so that subsequent grouting construction can be influenced.
Disclosure of Invention
The utility model discloses an aim at is exactly to the defect that prior art exists, can provide a simple structure, and bulk stiffness is big, the bearing capacity is big, anti deformability is strong, the novel levelling device is used in the installation of assembled pier that overall stability is good.
The technical scheme is as follows: the utility model provides an installation of assembled pier is with novel levelling device, includes: the bottom plate is provided with a connecting hole corresponding to the reserved grouting hole of the pier;
the lateral reinforcing plate comprises two vertical reinforcing steel plates which are parallel to each other and are respectively and vertically arranged with one side of the bottom plate, and a connecting plate is connected between the two vertical reinforcing steel plates;
the hole reinforcing system comprises two circular tubes vertically arranged on one side of the bottom plate, the two circular tubes are symmetrically arranged at the upper end and the lower end of the lateral reinforcing plate respectively, inner holes of the circular tubes and the connecting holes are concentrically arranged, a plurality of reinforcing ribs connected with the bottom plate are arranged on the outer circumferential surface of each circular tube, and the upper end and the lower end of the lateral reinforcing plate are fixedly connected with the reinforcing ribs;
the steel case of lifting top, the steel case of lifting top is both ends open-ended boxed structure, the steel case of lifting top is located between two side direction reinforcing plates, just be equipped with the spread groove that is used for running through the connecting plate on the both sides board of steel case of lifting top respectively, the one end opening and the bottom plate of steel case of lifting top are connected perpendicularly, and the side direction reinforcing plate is stretched out to other end opening, the upper and lower terminal surface and the horizontal plane parallel arrangement of steel case of lifting top.
Preferably, vertical stiffening steel plate, pipe, strengthening rib and jack-up steel case all weld together with the bottom plate, the strengthening rib still welds with the pipe.
Preferably, the vertical stiffening steel plate is welded in the middle of the bottom plate, the height of the vertical stiffening steel plate is smaller than that of the bottom plate, and the free end of the connecting plate is flush with the end face of the vertical stiffening steel plate.
Preferably, the reinforcing rib comprises two rectangular stiffening plates and two triangular stiffening plates, the rectangular stiffening plates and the triangular stiffening plates are radially and symmetrically arranged along the circle center of the round pipe, the fixed end of the round pipe is welded with the bottom plate, the free end of the round pipe is flush with the end parts of the vertical stiffening steel plates, the two rectangular stiffening plates are respectively fixed with the end parts of the two vertical stiffening steel plates, and the connecting ends of the rectangular stiffening plates and the triangular stiffening plates are consistent in length.
Preferably, the jacking steel box is formed by splicing and welding two trapezoidal steel plates which are parallel to each other and an upper splicing plate and a lower splicing plate, the length of the lower splicing plate is larger than that of the upper splicing plate, and the bottom of the lower splicing plate is in contact with the jack.
Preferably, the upper splicing plate and the lower splicing plate are located between the two lateral reinforcing plates, and the trapezoidal steel plate is provided with a connecting groove for inserting the connecting plate.
Preferably, a fastening bolt is detachably connected in the connecting hole.
Preferably, the sum of the diameter of the circular tube and the length of the two rectangular clamping plates is consistent with the width of the bottom plate.
Preferably, one end of each of the two triangular clamping plates is flush with the upper end and the lower end of the bottom plate respectively.
Compared with the prior art, the utility model, have following advantage:
1. the whole leveling device is integrally designed and manufactured, the quality can be ensured, and the safety during construction can be ensured;
2. the structure stress system is clear, the bearing capacity is large, and the method is suitable for accurate leveling operation when the assembled pier stud with various specifications and tonnages is hoisted in place;
3. the device is fixed with a reserved grouting hole of a pier stud by a fastening bolt, and the leveling device is welded into an integrated structure by a bottom plate, a lateral reinforcing plate, a hole reinforcing system and a jacking steel box lamp component, so that the integral rigidity is very high, the anti-deformation capability is strong, and the bearing capacity is high;
4. the leveling device has good integrity, can be used repeatedly, and is beneficial to reducing the construction cost and saving resources.
Drawings
FIG. 1 is a general diagram of a novel leveling device for mounting an assembly pier;
FIG. 2 is an exploded view of a novel leveling device for installation of an assembled pier;
FIG. 3 is a schematic layout of a novel leveling device for mounting an assembled pier;
FIG. 4 is a schematic diagram of the hoisting of the assembled pier stud in place and the installation of the novel leveling device.
In the figure: 1. a novel leveling device for mounting the assembly type pier; 1-1 fastening bolt, 1-2 bottom plates, 1-2-1 bottom plate steel plate, 1-2-2 connecting hole, 1-3 lateral reinforcing plates, 1-3-1 vertical stiffening plate, 1-3-2 connecting plate, 1-4 hole reinforcing system, 1-4 triangular stiffening plate, 1-4-2 rectangular stiffening plate, 1-4-3 round pipe, 1-5 jacking steel box, 1-5-1 upper splice plate, 1-5-2 trapezoidal steel plate, 1-5-3 lower splice plate, 1-5-4 connecting groove, 2 jack, 3 bridge pier to be assembled, 4 bridge cushion cap, 5 assembling pier column reserved steel bar, 6. the prefabricated pier reserves the mud jacking hole, 7, the large-tonnage suspender, 8, the large-scale caterpillar band crane.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, the novel leveling device for mounting the assembly type pier is mainly composed of fastening bolts 1-1, a bottom plate 1-2, lateral reinforcing plates 1-3, a hole reinforcing system 1-4, a jacking steel box 1-5 and the like. The bottom plate 1-2 is respectively assembled and welded with the lateral reinforcing plate 1-3, the hole reinforcing system 1-4 and the jacking steel box 1-5 to form the novel leveling device for mounting the fabricated pier. As shown in fig. 4, the internal thread of the reserved grouting hole 6 of the assembly pier is utilized between the novel leveling device 1 for mounting the assembly pier and the assembly pier column 3 to be mounted, and the novel leveling device is screwed and fixed by the fastening bolt 1-1.
The fastening bolts 1-1 are high-strength bolts, the performance grade of the high-strength bolts is over 9.8, the specifications of the high-strength bolts are selected according to the specifications of the threads in the designed grouting holes on the assembled pier, the lengths of the high-strength bolts are determined according to the lengths of the threads in the designed grouting holes of the assembled pier and the thickness of the steel plate of the combined bottom plate 1-2.
The bottom plate 1-2 is provided with a connecting hole 1-2-2 corresponding to the reserved grouting hole 6 of the pier, and the assembled pier and the bottom plate steel plate 1-2-1 can be connected and fixed through the connecting hole 1-2-2 by using a fastening bolt 1-1. The bottom plate 1-2 is made of a steel plate with the thickness of 20 mm-30 mm, the width of the bottom plate steel plate 1-2-1 is 120 mm-200 mm, two connecting holes 1-2-2 are drilled in the bottom plate 1-2 up and down respectively, the diameter of each connecting hole 1-2-2 is determined according to the specification of a selected high-strength bolt, and the hole pitch of the bottom plate is consistent with the hole pitch of a reserved grouting hole 6 on an assembly type pier.
The lateral reinforcing plate 1-3 comprises two vertical stiffening steel plates 1-3-1 which are parallel to each other and are respectively arranged vertically to the bottom plate 1-2, and a connecting plate 1-3-2 is connected between the two vertical stiffening steel plates 1-3-1; the two vertical stiffening steel plates 1-3-1 are positioned in the middle of the bottom plate 1-2, the height of the vertical stiffening steel plates 1-3-1 is smaller than that of the bottom plate 1-2, and the free ends of the connecting plates 1-3-2 are flush with the end faces of the vertical stiffening steel plates 1-3-1. Wherein, the two vertical stiffening steel plates 1-3-1 and one connecting plate 1-3-2 are assembled and welded. In addition, the width of the lateral reinforcing plate 1-3 is 50 mm-80 mm, the thickness of the vertical stiffening steel plate 1-3-1 and the connecting plate 1-3-2 is 12 mm-16 mm, the width of the connecting plate 1-3-2 is 10 mm-180 mm, the vertical stiffening steel plate 1-3-1 and the connecting plate 1-3-2 are fixed in a welding mode, and the thickness of a welding line is 8 mm-10 mm.
The hole reinforcing system 1-4 comprises two round pipes 1-4-3 vertically arranged on one side of a bottom plate 1-2, the round pipes 1-4-3 are round steel pipes, the two round pipes 1-4-3 are respectively and symmetrically arranged at the upper end and the lower end of a lateral reinforcing plate 1-3, the inner holes of the round pipes 1-4-3 are concentrically arranged with a connecting hole 1-2-2, the outer circumferential surface of the round pipes 1-4-3 is provided with a plurality of reinforcing ribs connected with the bottom plate 1-2, each reinforcing rib comprises two rectangular stiffening plates 1-4-2 and two triangular stiffening plates 1-4-1, the rectangular stiffening plates 1-4-2 and the triangular stiffening plates 1-4-1 are radially and symmetrically arranged along the circle center of the round pipes 1-4-3, the free ends of the round pipes 1-4-3 are flush with the end parts of the vertical stiffening plates 1-3-1 That is, the sum of the diameter of the round tube 1-4-3 and the length of the two rectangular clamping plates 1-4-2 is consistent with the width of the bottom plate 1-2. The two rectangular stiffening plates 1-4-2 are respectively fixed with the end parts of the two vertical stiffening steel plates 1-3-1, the length of the connecting ends of the rectangular stiffening plates 1-4-2 and the triangular stiffening plates 1-4-1 is consistent, namely, one ends of the two triangular clamping plates 1-4-1 are respectively flush with the upper end and the lower end of the bottom plate 1-2. 1-4-3 parts of round pipe, 1-4-2 parts of two rectangular stiffening plates and 1-4-1 parts of two triangular stiffening plates. The circular tube 1-4-3 is seamless steel tube, the inner diameter of the steel tube is determined according to the size of the nut of the high-strength bolt and the size of the socket wrench for tightening, the thickness of the two rectangular stiffening plates 1-4-2 and the thickness of the two triangular stiffening plates 1-4-1 are 12 mm-16 mm, and the thickness of the welding seam is 8 mm-10 mm.
The jacking steel box 1-5 is positioned between the two lateral reinforcing plates 1-3, the jacking steel box 1-5 is formed by splicing and welding two parallel trapezoidal steel plates 1-5-2, an upper splicing plate 1-5-1 and a lower splicing plate 1-5-3, the trapezoidal steel plates 1-5-2 and the splicing plates are 12mm steel plates, the height of the upper splicing plate 1-5-1 is 50mm larger than the width of the vertical stiffening plate, and the thickness of the lower welding line is 8 mm-10 mm. The length of the lower splicing plate 1-5-3 is larger than that of the upper splicing plate 1-5-1, and the bottom of the lower splicing plate 1-5-3 is contacted with the jack 2. A box-type structure with two open ends is formed, one end opening of the jacking steel box 1-5 is vertically connected with the bottom plate 1-2, the other end opening extends out of the lateral reinforcing plate 1-3, and the upper splice plate 1-5-1 and the lower splice plate 1-5-3 of the jacking steel box 1-5 are arranged in parallel with the horizontal plane. Wherein the trapezoidal steel plate 1-5-2 is provided with a connecting groove 1-5-4 so that the trapezoidal steel plate 1-5-2 is inserted into the connecting plate 1-3-2 of the lateral reinforcing plate 1-3.
The bottom plate 1-2, the lateral reinforcing plate 1-3, the hole reinforcing system 1-4, the jacking steel box 1-5 and other parts of the utility model are welded with each other, so that the overall strength can be improved.
As shown in fig. 1 and 2, a novel leveling device for mounting an assembly pier is processed and manufactured and assembled and welded in sequence:
(1) drawing a layout drawing and a component drawing of the novel leveling device 1 for mounting the assembly type pier according to the vertical distance and the horizontal distance of the reserved grouting holes 6 on the assembly type pier 3 to be mounted.
(2) Entrust the unit that possesses the production and processing qualification of steel construction, according to assembled pier installation with novel levelling device 1, bottom plate 1-2, side direction reinforcing plate 1-3, hole reinforcing system 1-4 and jack-up steel case 1-5 arrangement drawing and structure accessory drawing, purchase the steel of Q235 material, carry out the unloading of single component and the welding of piecing together. And (4) purchasing the fastening bolt 1-1 according to the performance grade and the selected specification by adopting the requirement of more than 9.8 grade.
(3) The assembly welding sequence of the lateral reinforcing plates is as follows: the first vertical stiffening steel plate 1-3-1 → the connecting plate 1-3-2 → the second vertical stiffening steel plate 1-3-1.
(4) 1-4 assembling sequence of the hole reinforcing system: positioning 1-4-3 of a round steel pipe → symmetrically installing two rectangular stiffening plates 1-4-2 → symmetrically installing triangular stiffening plates 1-4-1.
(5) 1-5 assembling and splicing sequence of the jacking steel box: the first trapezoidal steel plate 1-5-2 is positioned → the upper splice plate 1-5-1 → the second trapezoidal steel plate 1-5-2 → the lower splice plate 1-5-3.
(6) The assembly welding sequence of the novel leveling device for mounting the assembly pier is as follows:
bottom plate 1-2 → hole reinforcement system 1-4 → lateral reinforcement plate 1-3 → lifting steel box 1-5.
(7) The quality of assembly welding seams of the bottom plate 1-2, the lateral reinforcing plate 1-3, the hole reinforcing system 1-4, the jacking steel box 1-5 and other structural parts is detected by ultrasonic, and the qualified rate is required to be 100%. After final assembly is completed, the surface of the novel leveling device for mounting the assembled pier is subjected to anticorrosive coating according to requirements.
As shown in fig. 3 and 4, the use of the novel leveling device for the installation of the assembly type pier is explained:
the first step is as follows: hanging a large-tonnage hanging strip 7 by using a large-scale crawler crane 8, and hoisting the assembled pier 3 to be installed to a designed position of a bridge bearing platform 4;
the second step is that: the novel leveling device 1 for mounting the assembly type pier is screwed and fixed on four outer side surfaces of the assembly type pier 3 to be mounted by fastening bolts 1-1 by utilizing internal threads of a reserved grouting hole 6 of the assembly type pier.
The third step: a jack 2 is arranged below each novel leveling device 1 for mounting the assembly type pier;
the fourth step: and in a loaded state by using the large crawler crane 8, the jack 2 is used for jacking or descending to accurately adjust the levels of the pier 3 to be installed in the longitudinal direction and the transverse direction until the design and the specification are met.
The fifth step: after the horizontal adjustment of the assembled pier meets the requirements, after the gap between the assembled pier 3 and the bridge bearing platform 4 is firmly cushioned by the steel wedge, the lifting hook of the large-scale crawler crane 8 is loosened, and the large-tonnage hanging strip 7 and the novel leveling device 1 for the installation of the assembled pier are dismantled.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides an installation of assembled pier is with novel levelling device which characterized in that includes: the bottom plate is provided with a connecting hole corresponding to the reserved grouting hole of the pier;
the lateral reinforcing plate comprises two vertical reinforcing steel plates which are parallel to each other and are respectively and vertically arranged with one side of the bottom plate, and a connecting plate is connected between the two vertical reinforcing steel plates;
the hole reinforcing system comprises two circular tubes vertically arranged on one side of the bottom plate, the two circular tubes are symmetrically arranged at the upper end and the lower end of the lateral reinforcing plate respectively, inner holes of the circular tubes and the connecting holes are concentrically arranged, a plurality of reinforcing ribs connected with the bottom plate are arranged on the outer circumferential surface of each circular tube, and the upper end and the lower end of the lateral reinforcing plate are fixedly connected with the reinforcing ribs;
the steel case of lifting top, the steel case of lifting top is both ends open-ended boxed structure, the steel case of lifting top is located between two side direction reinforcing plates, just be equipped with the spread groove that is used for running through the connecting plate on the both sides board of steel case of lifting top respectively, the one end opening and the bottom plate of steel case of lifting top are connected perpendicularly, and the side direction reinforcing plate is stretched out to other end opening, the upper and lower terminal surface and the horizontal plane parallel arrangement of steel case of lifting top.
2. The novel leveling device for the installation of the assembled pier as claimed in claim 1, wherein: the vertical stiffening steel plate, the round pipe, the reinforcing rib and the jacking steel box are welded together with the bottom plate, and the reinforcing rib is welded with the round pipe.
3. The novel leveling device for the installation of the assembled pier as claimed in claim 2, wherein: the vertical stiffening steel plate is welded in the middle of the bottom plate, the height of the vertical stiffening steel plate is smaller than that of the bottom plate, and the free end of the connecting plate is flush with the end face of the vertical stiffening steel plate.
4. The novel leveling device for installation of the assembled pier as claimed in claim 3, wherein: the reinforcing rib comprises two rectangular stiffening plates and two triangular stiffening plates, the rectangular stiffening plates and the triangular stiffening plates are radially and symmetrically arranged along the circle center of the round pipe, the fixed end of the round pipe is welded with the bottom plate, the free end of the round pipe is flush with the end parts of the vertical stiffening steel plates, the two rectangular stiffening plates are respectively fixed with the end parts of the two vertical stiffening steel plates, and the connecting ends of the rectangular stiffening plates and the triangular stiffening plates are consistent in length.
5. The novel leveling device for the installation of the assembled pier as claimed in any one of claims 2, 3 or 4, wherein: the jacking steel box is formed by splicing and welding two trapezoidal steel plates which are parallel to each other and an upper splicing plate and a lower splicing plate, the length of the lower splicing plate is larger than that of the upper splicing plate, and the bottom of the lower splicing plate is in contact with the jack.
6. The novel leveling device for the installation of the assembled pier as claimed in claim 5, wherein: the upper splicing plate and the lower splicing plate are located between the two lateral reinforcing plates, and the trapezoidal steel plate is provided with a connecting groove for inserting the connecting plate.
7. The novel leveling device for the installation of the assembled pier as claimed in claim 1, wherein: fastening bolts are detachably connected in the connecting holes.
8. The novel leveling device for the installation of the assembled pier as claimed in claim 4, wherein: the sum of the diameter of the circular tube and the lengths of the two rectangular clamping plates is consistent with the width of the bottom plate.
9. The novel leveling device for the installation of the assembled pier as claimed in claim 4, wherein: one end of each triangular clamping plate is flush with the upper end and the lower end of the bottom plate respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921351819.7U CN210658043U (en) | 2019-08-20 | 2019-08-20 | Novel leveling device for mounting assembly type pier |
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| CN201921351819.7U CN210658043U (en) | 2019-08-20 | 2019-08-20 | Novel leveling device for mounting assembly type pier |
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| CN210658043U true CN210658043U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081013A (en) * | 2020-09-11 | 2020-12-15 | 上海城建市政工程（集团）有限公司 | Guide device for assembling and positioning prefabricated polygonal pier and design method |
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2019
- 2019-08-20 CN CN201921351819.7U patent/CN210658043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081013A (en) * | 2020-09-11 | 2020-12-15 | 上海城建市政工程（集团）有限公司 | Guide device for assembling and positioning prefabricated polygonal pier and design method |
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