CN114250724A - Steel hoop support type bridge substructure dismantling device and installation method thereof - Google Patents
Steel hoop support type bridge substructure dismantling device and installation method thereof Download PDFInfo
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- CN114250724A CN114250724A CN202111408031.7A CN202111408031A CN114250724A CN 114250724 A CN114250724 A CN 114250724A CN 202111408031 A CN202111408031 A CN 202111408031A CN 114250724 A CN114250724 A CN 114250724A
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- base
- support rod
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- left base
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
The invention relates to a steel hoop support type bridge substructure demolition device and an installation method thereof, which comprises a lower layer steel hoop formed by a lower layer left base and a lower layer right base, and an upper layer steel hoop formed by an upper layer left base and an upper layer right base; a plurality of lower left base sleeves penetrate through one side of a lower left base, a lower left support rod is fixed at the top of each lower left base sleeve, the bottom of each lower left base sleeve is locked through a nut, the other side of the lower left base is semicircular, a plurality of lower right base sleeves penetrate through one side of a lower right base, a lower right support rod is fixed at the top of each lower right base sleeve, the bottom of each lower right base sleeve is locked through a nut, and the other side of the lower right base is semicircular; the structure of the upper left base is the same as that of the lower left base, the structure of the upper right base is the same as that of the lower right base, the upper left support rod and the corresponding lower left support rod form a circular support rod and are clamped between the upper left base and the lower left base, and the upper right support rod and the corresponding lower right support rod form a circular support rod and are clamped between the upper right base and the lower right base.
Description
Technical Field
The invention belongs to a temporary fixing device in the process of removing a bridge substructure, and particularly relates to a steel hoop support type bridge substructure removing device and an installation method thereof.
Background
In the process of dismantling the bridge substructure, a crane is firstly used for carrying load holding force on the top of the precut component during the whole length, the holding force is generally 90% of the weight of the cutting component, then the component is separated by using cutting equipment (the cutting duration period is about 1 hour), and the crane rotary large arm lifts the component away. In the process of dismantling operation, as the crane is in a loaded state, pedestrians and vehicles are strictly forbidden in the rotation radius of the suspension arm. If the swing radius of the suspension arm is positioned in a traffic main road, the traffic needs to be temporarily closed, and the traffic can be opened after the component is cut and lifted away, so that the traffic is greatly influenced. And if the holding force is too small or too large, the clamping of the saw is easy to happen, the operation time is prolonged or the component is bounced instantly after the cutting is finished, so that the operation safety is influenced.
Disclosure of Invention
The invention aims at the problems existing in the prior art: when the lower structure of the bridge is dismantled, a crane is required to carry load holding force on the top of the component, and if a traffic lane is met, the influence on traffic is large; if the holding force is too small or too large in the cutting process, the clamping saw or component bouncing is easy to happen instantly after the cutting is completed, and the operation safety is influenced.
The invention solves the technical problems through the following technical scheme:
the invention provides a steel hoop support type bridge lower structure dismantling device which is characterized by comprising a lower steel hoop and an upper steel hoop, wherein the lower steel hoop is composed of a lower left base and a lower right base, and the upper steel hoop is composed of an upper left base and an upper right base.
A plurality of lower left base sleeves are arranged on one side of the lower left base in a penetrating mode, each lower left base sleeve top is fixed with a lower left support rod, the bottom of the lower left base sleeve is locked through nuts, the other side of the lower left base is arranged to be semicircular, a plurality of lower right base sleeves are arranged on one side of the lower right base in a penetrating mode, each lower right base sleeve top is fixed with a lower right support rod, the bottom of the lower right base is locked through nuts, and the other side of the lower right base is arranged to be semicircular.
A plurality of upper left base sleeves are arranged on one side of the upper left base in a penetrating mode, each upper left base sleeve is fixedly arranged at the bottom of the upper left base sleeve, and the top of the upper left base sleeve is locked through a nut.
Go up left vaulting pole and the lower left vaulting pole that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper left base and lower floor's left base, go up right vaulting pole and the lower right vaulting pole that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper right base and lower floor's right base, the semicircle form of upper left base and the semicircle form both ends of upper right base are fixed mutually through two-way bolt respectively in order to hoop the concrete stand, the semicircle form of lower floor's left base and the semicircle form both ends of lower floor's right base are fixed mutually through two-way bolt respectively in order to hoop the concrete stand.
Preferably, the bottom of the upper left stay bar is provided with a protrusion, the top of the lower left stay bar is provided with a groove, and the protrusion of the upper left stay bar is embedded in the groove of the lower left stay bar, so as to form a circular stay bar.
Preferably, the bottom of going up right vaulting pole is equipped with the arch, the top of right vaulting pole is equipped with the recess down, go up the arch of right vaulting pole and inlay in locating the recess of right vaulting pole down to constitute circular vaulting pole.
Preferably, the bidirectional bolt is an M52 bidirectional tightening bolt.
Preferably, the nut is an M74 nut.
Preferably, the lower layer steel hoop and the upper layer steel hoop are both made of PL50 steel plates and PL30 steel plates.
Preferably, the lower layer steel hoop and the upper layer steel hoop are uniformly provided with reinforcing plates, and the reinforcing plates are made of PL30 steel plates.
The invention also provides an installation method of the steel hoop support type bridge substructure demolition device, which is characterized by comprising the following steps:
s1, installing a lower steel hoop consisting of a lower left base and a lower right base: the semicircular two ends of the other side of the lower layer left base and the semicircular two ends of the other side of the lower layer right base are respectively fixed through two-way bolts to hoop the concrete upright post;
s2, a plurality of lower left base sleeves are arranged on one side of the lower left base in a penetrating mode, the bottom of each lower left base sleeve is locked through a nut, a plurality of lower right base sleeves are arranged on one side of the lower right base in a penetrating mode, and the bottom of each lower right base sleeve is locked through a nut;
s3, an upper left base sleeve with an upper left support rod at the bottom is inserted on a lower left support rod at the top of each lower left base sleeve in an aligning way, an upper right base sleeve with an upper right support rod at the bottom is inserted on a lower right support rod at the top of each lower right base sleeve in an aligning way, the upper left support rod and the corresponding lower left support rod form a circular support rod and are clamped between the upper left base and the lower left base, and the upper right support rod and the corresponding lower right support rod form a circular support rod and are clamped between the upper right base and the lower right base;
s4, installing an upper layer steel hoop consisting of an upper layer left base and an upper layer right base: one side of the upper left base penetrates into the corresponding upper left base sleeve, one side of the upper right base penetrates into the corresponding upper right base sleeve, and the semicircular two ends of the other side of the upper left base and the semicircular two ends of the other side of the upper right base are fixed through two-way bolts respectively to hoop the concrete upright;
and S5, locking the top of each upper left base sleeve through a nut, and locking the top of each upper right base sleeve through a nut.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
1. as the holding force of a crane is not needed in the cutting process, the influence on peripheral traffic is small;
2. the saw clamping situation can not occur due to the undersize holding force of the crane, and the construction efficiency is improved;
3. the component cannot bounce due to overlarge holding force of the crane at the moment of fracture, so that the construction safety is improved;
4. after the cutting is finished, the hoop component does not need to be removed, and the crane is directly dispatched and transported, so that the construction convenience and safety are improved;
5. mud guards or mud water collecting devices can be arranged on the outer sides of the hoops, so that mud water generated in the cutting process cannot be splashed onto a road, and safe and civilized construction is guaranteed;
6. the crane does not need to work with load holding force for a long time, and the energy consumption is reduced.
Drawings
Fig. 1 is an elevation view of a steel hoop supported bridge substructure demolishing apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a plan view of a steel hoop-supported bridge substructure demolishing apparatus according to a preferred embodiment of the present invention.
Fig. 3 is an elevational view of the base in accordance with the preferred embodiment of the present invention.
FIG. 4 is a plan view of the base of the preferred embodiment of the present invention.
Fig. 5 is an elevation view of a circular brace in accordance with a preferred embodiment of the present invention.
Fig. 6 is an elevation view of the installation of the lower steel hoop according to the preferred embodiment of the invention.
Fig. 7 is an elevational view of the mounting base sleeve and circular brace of the preferred embodiment of the present invention.
Fig. 8 is an elevation view of the upper steel hoop according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a steel hoop-supported bridge substructure demolishing device, which includes a lower steel hoop composed of a lower left base 1 and a lower right base 2, and an upper steel hoop composed of an upper left base 3 and an upper right base 4, both of which are made of PL50 steel plate and PL30 steel plate.
Three left base sleeve pipe 5 down is worn to be equipped with in one side of lower floor's left base 1, each left base sleeve pipe 5's top is fixed with down left vaulting pole 6, the bottom is locked through M74 nut, the opposite side of lower floor's left base 1 is seted up and is the semicircle form, right base sleeve pipe under three is worn to be equipped with in one side of lower floor's right base 2, each right base sheathed tube top is fixed with down right vaulting pole, bottom and is passed through M74 nut locking down, the opposite side of lower floor's right base 2 is seted up and is the semicircle form.
Three upper left base sleeve pipe 7 is worn to be equipped with in one side of upper left base 3, each the bottom of going up left base sleeve pipe 7 is fixed with left vaulting pole 8, top and passes through M74 nut locking, the opposite side of upper left base 3 is seted up and is the semicircle form, right base sleeve pipe 9 is worn to be equipped with in one side of upper right base 4 three, each go up right base sleeve pipe 9's bottom and be fixed with right vaulting pole 10, top and pass through M74 nut locking, the opposite side of upper right base 3 is seted up and is the semicircle form.
Go up left vaulting pole 8 and the lower left vaulting pole 6 that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper left base 3 and lower floor's left base 1, go up right vaulting pole 10 and the lower right vaulting pole that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper right base 4 and lower floor's right base 2, the semicircle of upper left base 3 and the both ends of the semicircle of upper right base 4 are fixed mutually through M52 two-way tightening bolt 11 respectively and are in order to cramp concrete column 12, the semicircle of lower floor's left base 1 and the both ends of the semicircle of lower floor's right base 2 are fixed mutually through M52 two-way tightening bolt 11 respectively and are in order to cramp concrete column 12.
Wherein, see fig. 5, the bottom of going up left vaulting pole 8 is equipped with the arch, the top of lower left vaulting pole 6 is equipped with the recess, the arch of going up left vaulting pole 8 inlays and locates in the recess of lower left vaulting pole 6 to constitute left circular vaulting pole 14.
The bottom of going up right vaulting pole 10 is equipped with the arch, the top of right vaulting pole is equipped with the recess down, go up in the arch of right vaulting pole 10 inlays the recess of locating right vaulting pole down to constitute right circular vaulting pole 15.
As shown in fig. 4, the lower layer steel hoop and the upper layer steel hoop are uniformly provided with rib plates 13, and the rib plates 13 are made of PL30 steel plates.
With reference to fig. 1 to 8, the present embodiment further provides an installation method of a steel hoop supported bridge substructure demolishing apparatus, which includes the following steps:
s1, installing a lower steel hoop consisting of the lower left base 1 and the lower right base 2: the two ends of the semicircle of the other side of the lower left base 1 and the semicircle of the other side of the lower right base 2 are respectively fixed by an M52 bidirectional tightening bolt 11 to tighten the concrete upright 12.
S2, a plurality of lower left base sleeves 5 are arranged on one side of the lower left base 1 in a penetrating mode, the bottom of each lower left base sleeve 5 is locked through an M74 nut, a plurality of lower right base sleeves are arranged on one side of the lower right base 2 in a penetrating mode, and the bottom of each lower right base sleeve is locked through an M74 nut.
S3, an upper left base sleeve 7 with an upper left support rod 8 at the bottom is inserted on the lower left support rod 6 at the top of each lower left base sleeve 5 in an aligning way, an upper right base sleeve 9 with an upper right support rod 10 at the bottom is inserted on the lower right support rod at the top of each lower right base sleeve in an aligning way, the upper left support rod 8 and the corresponding lower left support rod 6 form a circular support rod and are clamped between the upper left base 3 and the lower left base 1, and the upper right support rod 10 and the corresponding lower right support rod form a circular support rod and are clamped between the upper right base 4 and the lower right base 2.
S4, installing the upper steel hoop composed of the upper left base 3 and the upper right base 4: one side of the upper left base 3 penetrates into the corresponding upper left base sleeve 7, one side of the upper right base 4 penetrates into the corresponding upper right base sleeve 9, and the semicircular ends of the other side of the upper left base 3 and the semicircular ends of the other side of the upper right base 4 are fixed through the M52 bidirectional tightening bolts 11 respectively so as to tighten the concrete upright 12.
S5, the top of each upper left base sleeve 7 is locked by M74 nuts and the top of each upper right base sleeve 9 is locked by M74 nuts.
The substructure removal procedure is briefly as follows:
1. after the upper steel hoop and the lower steel hoop are installed, the strength, the rigidity and the stable running of the steel hoops are observed, and the installation is ensured to meet the design requirements.
2. A chain saw is installed in the concrete cutting equipment running space 16 and the cutting work is started.
3. After cutting, the crane timely turns the boom to be right above the cutting component, the steel wire rope is bound, and the force is gradually held.
4. When the holding force reaches 90% of the weight of the dismantling component, the M74 nut on the top of the base is loosened and lifted to the crushing area for crushing operation.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. A steel hoop support type bridge substructure demolishing device is characterized by comprising a lower steel hoop and an upper steel hoop, wherein the lower steel hoop is composed of a lower left base and a lower right base;
a plurality of lower left base sleeves penetrate through one side of the lower left base, a lower left support rod is fixed at the top of each lower left base sleeve, the bottom of each lower left base sleeve is locked through a nut, the other side of the lower left base is semicircular, a plurality of lower right base sleeves penetrate through one side of the lower right base, a lower right support rod is fixed at the top of each lower right base sleeve, the bottom of each lower right base sleeve is locked through a nut, and the other side of the lower right base is semicircular;
a plurality of upper left base sleeves are arranged on one side of the upper left base in a penetrating manner, an upper left support rod is fixed at the bottom of each upper left base sleeve, the top of each upper left base sleeve is locked through a nut, the other side of the upper left base is semicircular, a plurality of upper right base sleeves are arranged on one side of the upper right base in a penetrating manner, an upper right support rod is fixed at the bottom of each upper right base sleeve, the top of each upper right base sleeve is locked through a nut, and the other side of the upper right base is semicircular;
go up left vaulting pole and the lower left vaulting pole that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper left base and lower floor's left base, go up right vaulting pole and the lower right vaulting pole that corresponds and be connected and constitute circular vaulting pole, and press from both sides between upper right base and lower floor's right base, the semicircle form of upper left base and the semicircle form both ends of upper right base are fixed mutually through two-way bolt respectively in order to hoop the concrete stand, the semicircle form of lower floor's left base and the semicircle form both ends of lower floor's right base are fixed mutually through two-way bolt respectively in order to hoop the concrete stand.
2. The steel hoop supported bridge substructure demolition apparatus of claim 1, wherein said upper left brace has a protrusion at the bottom, said lower left brace has a groove at the top, and said protrusion of said upper left brace is embedded in said groove of said lower left brace, thereby forming a circular brace.
3. The steel hoop supported bridge substructure demolition apparatus of claim 1, wherein said upper right brace has a protrusion at the bottom, said lower right brace has a groove at the top, and said protrusion of said upper right brace is embedded in said groove of said lower right brace, thereby forming a circular brace.
4. The steel hoop supported bridge substructure demolition apparatus of claim 1, wherein said two-way bolts are M52 two-way clinching bolts.
5. The steel hoop supported bridge substructure demolition apparatus of claim 1, wherein said nut is an M74 nut.
6. The steel hoop-supported bridge substructure demolition apparatus according to claim 1, wherein said lower and upper steel hoops are made of PL50 steel plate and PL30 steel plate.
7. The steel hoop-supported bridge substructure demolishing device according to claim 1, wherein said lower layer steel hoop and upper layer steel hoop are uniformly provided with rib plates, said rib plates are made of PL30 steel plate.
8. The mounting method of the steel hoop support type bridge substructure dismantling device is characterized by comprising the following steps of:
s1, installing a lower steel hoop consisting of a lower left base and a lower right base: the semicircular two ends of the other side of the lower layer left base and the semicircular two ends of the other side of the lower layer right base are respectively fixed through two-way bolts to hoop the concrete upright post;
s2, a plurality of lower left base sleeves are arranged on one side of the lower left base in a penetrating mode, the bottom of each lower left base sleeve is locked through a nut, a plurality of lower right base sleeves are arranged on one side of the lower right base in a penetrating mode, and the bottom of each lower right base sleeve is locked through a nut;
s3, an upper left base sleeve with an upper left support rod at the bottom is inserted on a lower left support rod at the top of each lower left base sleeve in an aligning way, an upper right base sleeve with an upper right support rod at the bottom is inserted on a lower right support rod at the top of each lower right base sleeve in an aligning way, the upper left support rod and the corresponding lower left support rod form a circular support rod and are clamped between the upper left base and the lower left base, and the upper right support rod and the corresponding lower right support rod form a circular support rod and are clamped between the upper right base and the lower right base;
s4, installing an upper layer steel hoop consisting of an upper layer left base and an upper layer right base: one side of the upper left base penetrates into the corresponding upper left base sleeve, one side of the upper right base penetrates into the corresponding upper right base sleeve, and the semicircular two ends of the other side of the upper left base and the semicircular two ends of the other side of the upper right base are fixed through two-way bolts respectively to hoop the concrete upright;
and S5, locking the top of each upper left base sleeve through a nut, and locking the top of each upper right base sleeve through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408031.7A CN114250724B (en) | 2021-11-25 | 2021-11-25 | Steel hoop supporting type bridge substructure dismantling device and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408031.7A CN114250724B (en) | 2021-11-25 | 2021-11-25 | Steel hoop supporting type bridge substructure dismantling device and installation method thereof |
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| CN114250724A true CN114250724A (en) | 2022-03-29 |
| CN114250724B CN114250724B (en) | 2023-07-28 |
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Citations (7)
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| JP2001131919A (en) * | 1999-11-05 | 2001-05-15 | Kabuki Construction Co Ltd | Construction method for removing prestressed concrete bride girder |
| CN201778497U (en) * | 2010-06-25 | 2011-03-30 | 中国二十冶集团有限公司 | Multi-section column aloft spliced temporary fixing device |
| JP2013079515A (en) * | 2011-10-04 | 2013-05-02 | Takenaka Komuten Co Ltd | Cutting/demolition method for concrete filling steel tube column and steel tube cutting device |
| CN203640247U (en) * | 2013-10-30 | 2014-06-11 | 五冶集团上海有限公司 | Hoop type detachable operating platform for blast furnace granulating slag steam exhaust barrel |
| CN109338874A (en) * | 2018-12-10 | 2019-02-15 | 山东大学 | The compound pillarwork of bridge and construction technology based on orientation ECC |
| CN208748542U (en) * | 2018-08-31 | 2019-04-16 | 中铁二十四局集团安徽工程有限公司 | A kind of cylinder bridge pier reparation tooling |
| CN111561175A (en) * | 2020-05-27 | 2020-08-21 | 上海标架建筑科技有限公司 | Prestress underpinning static force cutting and column pulling construction process |
-
2021
- 2021-11-25 CN CN202111408031.7A patent/CN114250724B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001131919A (en) * | 1999-11-05 | 2001-05-15 | Kabuki Construction Co Ltd | Construction method for removing prestressed concrete bride girder |
| CN201778497U (en) * | 2010-06-25 | 2011-03-30 | 中国二十冶集团有限公司 | Multi-section column aloft spliced temporary fixing device |
| JP2013079515A (en) * | 2011-10-04 | 2013-05-02 | Takenaka Komuten Co Ltd | Cutting/demolition method for concrete filling steel tube column and steel tube cutting device |
| CN203640247U (en) * | 2013-10-30 | 2014-06-11 | 五冶集团上海有限公司 | Hoop type detachable operating platform for blast furnace granulating slag steam exhaust barrel |
| CN208748542U (en) * | 2018-08-31 | 2019-04-16 | 中铁二十四局集团安徽工程有限公司 | A kind of cylinder bridge pier reparation tooling |
| CN109338874A (en) * | 2018-12-10 | 2019-02-15 | 山东大学 | The compound pillarwork of bridge and construction technology based on orientation ECC |
| CN111561175A (en) * | 2020-05-27 | 2020-08-21 | 上海标架建筑科技有限公司 | Prestress underpinning static force cutting and column pulling construction process |
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| CN114250724B (en) | 2023-07-28 |
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