CN113585082B - Pier foundation bridge construction platform - Google Patents
Pier foundation bridge construction platform Download PDFInfo
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- CN113585082B CN113585082B CN202110877513.0A CN202110877513A CN113585082B CN 113585082 B CN113585082 B CN 113585082B CN 202110877513 A CN202110877513 A CN 202110877513A CN 113585082 B CN113585082 B CN 113585082B
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The pier-base bridge construction platform comprises a pier, a frame beam and pedals, wherein pier heads and pier shoulders are arranged at the top end of the pier, the frame beam is arranged on the pier shoulders on the front side and the rear side of the pier heads, the frame beam comprises a cross beam, clamping rods clung to the pier are arranged on two sides of the cross beam, lower upright rods aiming at the side surfaces of bridge plates are arranged on two sides of the cross beam, a part, extending out of the bridge plates, of the two sides of the cross beam is a table rod, a supporting rod is fixedly arranged at the lower end of the lower upright rods and the lower end of the clamping rods, a supporting head is outwards extended out of the lower end of the table rod, a supporting pier is arranged below the outer end of the table rod, and a first diagonal supporting rod is arranged between the supporting pier and the supporting head; a second diagonal brace is arranged between the upper end of the lower upright rod and the lower end of the clamping rod, and the pedal is arranged on the table rod to form a construction platform; the bridge pier has the beneficial effects that the clamping rods are arranged, the clamping rods at the two sides of the cross beam are propped against the side surfaces at the two sides of the bridge pier, so that the stability of the cross beam can be effectively maintained, the bridge pier can not be damaged, and the bridge pier is simple in overall structure and firm in installation.
Description
Technical Field
The invention belongs to the technical field of bridge construction equipment, and particularly relates to a pier foundation bridge construction platform.
Background
In the bridge construction process, a construction platform is needed. The existing construction platforms mainly adopt brackets to erect, hanging frames to erect, bridge inspection vehicles, trestle bridges and the like, and the platforms can solve a plurality of problems, but the platforms have the advantages of thousands of years, high cost, more construction, large occupied space and poor flexibility, so that the application of bridge construction engineering under the conditions of navigation, flood control, water construction and the like is severely restricted, and the construction progress and cost control of beam reinforcement are also severely affected.
For this reason, patent document CN 110029579B discloses a suspension construction platform for bridge construction; bridge piers are arranged; the bridge pier is fixedly provided with a third supporting plate and a fourth supporting plate through bolts, and the third supporting plate and the fourth supporting plate are respectively connected with the first vertical rod and the second vertical rod through adjusting hole grooves; the first vertical rod and the second vertical rod are connected with the first support plate and the second support plate through bolts; the fixed column is connected with the first supporting plate through the through hole, and the fixed column is connected with the second supporting plate through the fixed disc; the fixed column is inserted into the bridge pier, and the upper end of the fixed column is connected with the first support plate, the second support plate, the first fixed pedal, the third support plate and the fourth support plate through steel wire pull ropes; the frame structure formed by the first support plate, the second support plate, the third support plate and the fourth support plate is small in occupied space, so that the whole structure is simplified, and the cost is saved. However, in practice, the first support plate and the second support plate are not necessary at all, and the structure becomes complex, and the third support plate and the fourth support plate are fixed on the pier through bolts, so that the whole structure of the pier is damaged, and the strength of the pier in the use process can be influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a simple and feasible bridge construction platform based on the bridge pier without influencing the whole structure of the bridge pier.
In order to solve the technical problems, the technical scheme adopted by the invention is that the pier-base bridge construction platform comprises a pier, a girder and pedals, and is characterized in that the center position of the top end surface of the pier is set to be a pier head, the peripheral position is set to be a pier shoulder, and the pier head is used for directly supporting a bridge body plate; the frame beam comprises a cross beam, two clamping rods, two lower vertical rods, two supporting rods and four diagonal braces; the pier shoulders on the front side and the rear side of the pier head are respectively provided with a set of frame beams, each frame beam comprises a cross beam, the cross beams are longer than the width of the bridge body plate, the left side and the right side of each cross beam are respectively provided with a clamping rod, and the clamping rods are closely attached to the left side and the right side of the pier and vertically and fixedly arranged on the lower side of the cross beam; the left side and the right side of the cross beam are respectively provided with a lower upright rod, and the lower upright rods are vertically and fixedly arranged on the lower side of the cross beam along the downward line along the side surfaces of the left side and the right side of the bridge plate; the parts of the left side and the right side of the cross beam, which extend out of the bridge body plate, are called as table rods and are used for placing construction pedals; the length of the lower vertical rod is equal to that of the table rod, a supporting rod is fixedly arranged at the lower end of the lower vertical rod and the lower end of the clamping rod, a supporting head extends outwards from the lower vertical rod of the supporting rod, a supporting pier extends downwards from the outer end of the table rod, and a first inclined supporting rod is fixedly arranged between the supporting pier and the supporting head; a second diagonal brace is fixedly arranged between the included angle formed by the lower upright rod and the cross beam and the included angle formed by the clamping rod and the supporting rod, so that a frame beam is formed; the pedals are fixedly arranged on the table rods of the front and rear sets of frame beams, and one pedal is respectively arranged on two sides of the bridge body plate to form a construction platform.
The length of the clamping rod is greater than or equal to the length of the table rod, but the length of the lower vertical rod cannot be greater than the length of the table rod, and only the length of the table rod can be equal to the length of the table rod.
Further, two upper longitudinal rods and two lower longitudinal rods are fixedly arranged between the two cross beams, the two upper longitudinal rods are respectively arranged on the pier shoulders on the left side and the right side of the pier head, and the two lower longitudinal rods are respectively arranged on the bottom ends of the two clamping rods on each of the left side and the right side of the pier.
The periphery of the pedal is a rectangular frame, and a solid pedal is arranged in the rectangular frame; the rectangular frame is fixedly arranged on the table rod through bolts.
The pedal is provided with a guardrail.
The guardrails on the outer side edge of the pedal are called outer guardrails, the guardrails on the inner side edge are called inner guardrails, the height of the outer guardrails 22 is made to be equal to the height of the waist of a human body, generally 80-120cm, and the height of the inner guardrails is equal to the height of shoes, generally 5-15cm; thus, the protection is convenient and the construction is convenient.
A pier foundation bridge construction platform installation method comprises the following steps:
the method comprises the steps of selecting piers with pier heads and pier shoulders on end faces, and installing a construction platform based on the piers.
Secondly, manufacturing a pedal, namely manufacturing a rectangular frame and a rectangular solid plate, and mounting the rectangular solid plate in the rectangular frame to manufacture the pedal; the width of the pedal is generally made to be 0.6-1.0 m, and the length is made to be 2-5 m.
The method comprises the steps of mounting the cross beams, taking two cross beams, respectively mounting the cross beams on pier shoulders on the front side and the rear side of pier heads on the end faces of the piers, enabling two ends of the cross beams to extend out of two sides of a bridge plate in design, enabling the portions extending out of the two sides of the bridge plate to be equal to the width of a pedal, and enabling the portions, extending out of the bridge plate, of the cross beams to be called as a table rod and used for placing the pedal.
And (3) installing clamping rods, namely taking four clamping rods, wherein the length of each clamping rod is greater than or equal to that of each table rod, respectively and vertically and fixedly installing the four clamping rods at the positions, close to the bridge pier, of the lower surfaces of the two cross beams on the two sides of the bridge pier, and enabling the four clamping rods to be tightly attached to the side surfaces of the bridge pier.
And (5) installing lower vertical rods, taking four lower vertical rods, wherein the length of the lower vertical rods is equal to that of the table rod, respectively and vertically and fixedly installing the four lower vertical rods on the lower surfaces of two cross beams on two sides of the bridge pier, and enabling the outer sides of the four lower vertical rods to face downwards along the line facing the outer side of the bridge plate in the design.
Mounting the supporting rods, namely taking four supporting rods, respectively and fixedly mounting the two ends of each supporting rod on the lower end of the clamping rod and the lower end of the lower vertical rod, and enabling the supporting rods to extend outwards from the lower vertical rod and extend out of one supporting head.
And installing first diagonal braces, wherein a supporting pier is fixedly installed on the lower surfaces of the outer ends of four table rods at the two ends of each of the two cross beams respectively, four first diagonal braces are taken, two ends of each first diagonal brace are respectively and fixedly installed on four groups of corresponding supporting piers and brackets, and the table rods, the lower vertical rods and the first diagonal braces form an isosceles right triangle together.
And installing second diagonal braces, namely an included angle formed by the lower upright rod and the cross beam is called an upper brace angle, an included angle formed by the clamping rod and the supporting rod is called a lower brace angle, four groups of upper brace angles and lower brace angles are shared, four second diagonal braces are taken, and two ends of each second diagonal brace are respectively and fixedly installed on the four groups of upper brace angles and the lower brace angles, so that the cross beam, the clamping rod and the second diagonal braces form a right-angle tripod together.
The method comprises the steps of mounting an upper longitudinal rod and a lower longitudinal rod, taking two upper longitudinal rods, respectively and fixedly mounting two ends of the two upper longitudinal rods on a front cross beam and a rear cross beam, and respectively positioning the two upper longitudinal rods on pier shoulders on the left side and the right side of a pier head; the two lower longitudinal rods are respectively and fixedly arranged at the two ends of the two upper longitudinal rods on the lower ends of the front clamping rod and the rear clamping rod, and the two lower longitudinal rods are respectively clung to the side surfaces of the bridge pier.
Two pedals are taken and respectively arranged on the front and rear table rods at two sides of the bridge pier, through holes are drilled on the frame and the table rods on the pedals, and the frame is fixedly arranged on the table rods by bolts.
And installing guardrails, wherein an outer guardrail is installed at the outer side edge of the pedal, and an inner guardrail is installed at the inner side edge of the pedal.
Compared with the prior art, the invention has the following beneficial effects:
the clamping rods are arranged, the clamping rods on two sides of the beam are propped against the side faces on two sides of the bridge pier, so that the stability of the beam can be effectively maintained, and the bridge pier cannot be damaged; the structure is simple and the installation is firm as a whole.
The second diagonal brace is arranged on the outer side of the clamping rod, so that the clamping rod can better prop against the pier, the cross beam can be supported, and the strength of the cross beam is improved; and meanwhile, the right-angle tripod formed by the cross beam, the clamping rod and the second inclined stay rod has firm stability.
The first diagonal brace is arranged between the outer end of the table rod and the bottom end of the lower upright rod, the supporting rod is arranged between the bottom end of the lower upright rod and the bottom end of the clamping rod, the pressure of the pedal borne by the table rod can be transferred to the bottom end of the lower upright rod through the first diagonal brace, then transferred to the bottom end of the clamping rod through the supporting rod, and transferred to the bridge pier through the bottom end of the clamping rod, so that the strength of the table rod can be improved, and the clamping degree of the clamping rod can be enhanced; the length of this department platform pole can only be equal with lower pole, if the platform pole is longer than lower pole setting, then the vaulting pole is through the support dynamics of first diagonal brace to the platform pole not enough, if the platform pole is shorter than lower pole setting, then the component force that shifts to on the vaulting pole through first diagonal brace is too little, is unfavorable for improving the intensity of clamp lever. In addition, the isosceles right triangle frame formed by the table rod, the lower upright rod and the first inclined stay rod has firm stability.
The vertical rod is installed, the combined pedal is fixedly installed on the table rod, and the integral stability of a construction platform formed by two frame beams can be guaranteed.
The inner side of the guardrail is made short, so that the guardrail is convenient to protect, articles can be prevented from falling off, and construction is convenient.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic top view of the present invention.
In the figure: 1. bridge pier, 2, frame girder, 3, pedal, 4, pier head, 5, pier shoulder, 6, bridge plate, 8, cross beam, 9, clamping bar, 10, lower upright, 11, table bar, 12, support bar, 13, bracket head, 14, support pier, 15, first diagonal brace, 16, second diagonal brace, 17, upper vertical bar, 18, lower vertical bar, 19, rectangular frame, 20, solid pedal, 21, bolt, 22, outer guard rail, 23, inner guard rail, 24, isosceles right triangle, 25, right triangle.
Detailed Description
The invention is further illustrated by the following examples which are intended to illustrate the invention but not to limit the scope of the invention.
Example 1.
As shown in fig. 1 and 2, a pier-base bridge construction platform is manufactured, namely, the construction platform is installed on the basis of a pier 1, the center position of the top end surface of the pier 1 is set to be a pier head 4, the periphery position is set to be a pier shoulder 5, and the pier head 4 is used for directly supporting a bridge body plate 6; a girder 2 is arranged on the pier shoulder 5, and a pedal 3 is arranged on the girder 2; the frame beam 2 comprises a cross beam 8, two clamping rods 9, two lower vertical rods 10, two supporting rods 12 and four diagonal braces; the pier shoulders 5 on the front side and the rear side of the pier head 4 are respectively provided with a set of frame beams 2, each frame beam 2 comprises a cross beam 8, each cross beam 8 is longer than the width of the bridge body plate 6, each left side and right side of each cross beam 8 is provided with a clamping rod 9, and each clamping rod 9 is tightly attached to the left side and the right side of the pier 1 and is vertically and fixedly arranged on the lower side surface of each cross beam 8; the left side and the right side of the cross beam 8 are respectively provided with a lower upright rod 10, and the lower upright rods 10 are vertically and fixedly arranged on the lower side surface of the cross beam 8 along the downward line of the side surfaces of the left side and the right side of the bridge plate 6; the parts of the left and right sides of the cross beam 8 extending out of the bridge plate 6 are called a table rod 11, and the table rod 11 is used for placing the pedal 3; the length of the lower upright rod 10 is equal to that of the table rod 11, a supporting rod 12 is fixedly arranged at the lower end of the lower upright rod 10 and the lower end of the clamping rod 9, the supporting rod 12 extends outwards from the lower upright rod 11 and extends out of a supporting head 13, a supporting pier 14 extends downwards from the outer end of the table rod 11, and a first inclined supporting rod 15 is fixedly arranged between the supporting pier 14 and the supporting head 13; a second diagonal brace 16 is fixedly arranged between the included angle formed by the lower upright rod 11 and the cross beam 8 and the included angle formed by the clamping rod 9 and the supporting rod 12, so that the frame beam 2 is formed; the pedals 3 are fixedly arranged on the table rods 11 of the front and rear frame beams 2, and one pedal 3 is respectively arranged on two sides of the bridge plate 6 to form an integral construction platform.
The length of the clamping rod 9 is larger than or equal to the length of the table rod 11, but the length of the lower upright rod 10 cannot be larger than the length of the table rod 11, cannot be smaller than the length of the table rod 11, and can only be equal to the length of the table rod 11; because the first diagonal brace 15 is arranged between the outer end of the table rod 11 and the bottom end of the lower upright rod 10, and then the supporting rod 12 is arranged between the bottom end of the lower upright rod 10 and the bottom end of the clamping rod 9, the structure can transfer the pressure of the pedal 3 born by the table rod 11 to the bottom end of the lower upright rod 10 through the first diagonal brace 15, then to the bottom end of the clamping rod 9 through the supporting rod 12, and then to the bridge pier 1 through the bottom end of the clamping rod 9, so that the strength of the table rod 11 can be improved, and the clamping degree of the clamping rod 9 can be enhanced; the strength of the table rod 11 and the clamping degree of the reinforced clamping rod 9 can be simultaneously improved only under the condition that the lengths of the table rod 11 and the lower vertical rod 10 are equal, if the table rod 11 is longer than the lower vertical rod 10, the supporting force of the supporting rod 12 on the table rod 11 through the first inclined supporting rod 15 is insufficient, the strength of the table rod 11 is not improved, and if the table rod 11 is shorter than the lower vertical rod 10, the component force transferred to the supporting rod 12 through the first inclined supporting rod 15 is too small, and the strength of the clamping rod 9 is not improved.
Example 2.
On the basis of embodiment 1, two upper longitudinal bars 17 and two lower longitudinal bars 18 are fixedly installed between the two cross beams 8, the two upper longitudinal bars 17 are respectively installed on the pier shoulders 5 on the left side and the right side of the pier head 4, and the two lower longitudinal bars 18 are respectively installed on the bottom ends of the two clamping bars 9 on each of the left side and the right side of the pier 1.
The periphery of the pedal 3 is made into a rectangular frame 19, and a solid pedal 20 is arranged in the rectangular frame 19; the rectangular frame 19 is fixedly mounted on the table rod 11 by bolts 21.
Installing a guardrail on the pedal 3; the guard rail on the outer edge of the pedal 3 is referred to as an outer guard rail 22, the guard rail on the inner edge is referred to as an inner guard rail 23, the height of the outer guard rail 22 corresponds to the waist height of the human body, and the height of the inner guard rail corresponds to the shoe height.
Example 3.
A pier foundation bridge construction platform installation method comprises the following steps:
the pier 1 with the pier heads 4 and the pier shoulders 5 is arranged on the selected end face, and a construction platform is installed on the basis of the pier 1.
Secondly, manufacturing a pedal 3, manufacturing a rectangular frame 19 and a rectangular solid pedal 20, and mounting the rectangular solid pedal 20 in the rectangular frame 19 to manufacture the pedal 3; the width of the pedal 3 was made 0.8 m and the length was made 3.5 m.
The cross beams 8 are installed, two cross beams 8 are taken and respectively installed on the pier shoulders 5 on the front side and the rear side of the pier head 4 on the end face of the pier 1, two ends of each cross beam 8 extend out of two sides of the bridge plate 6 in design, the parts extending out of the two sides of the bridge plate 6 are equal to the width of the pedal 3, and the parts of the cross beams 8 extending out of the bridge plate 6 are called as table rods 11.
And (3) mounting the clamping rods 9, taking four clamping rods 9, wherein the length of the clamping rods 9 is greater than or equal to that of the table rod 11, respectively and vertically and fixedly mounting the four clamping rods 9 at the positions of the lower surfaces of the two cross beams 8, which are positioned at two sides of the bridge pier 1, close to the bridge pier 1, and enabling the four clamping rods 9 to be closely attached to the side surfaces of the bridge pier 1.
And (5) installing the lower uprights 10, taking four lower uprights 10, wherein the length of the lower uprights 10 is equal to that of the table rod 11, respectively and vertically and fixedly installing the four lower uprights 10 on the lower surfaces of the two cross beams 8 on the two sides of the bridge pier 1, and enabling the outer sides of the four lower uprights 10 to face downwards along the line facing the outer side of the bridge plate 6 in the design.
Mounting the supporting rods 12, namely taking four supporting rods 12, respectively and fixedly mounting two ends of each supporting rod 12 on the lower end of the clamping rod 9 and the lower end of the lower vertical rod 10, and enabling the supporting rods 12 to extend outwards of the lower vertical rod 10 and extend out of one supporting head 13.
And installing first diagonal braces 15, wherein a supporting pier 14 is fixedly installed on the lower surfaces of the outer ends of the four table rods 11 at the two ends of the two cross beams 8 respectively, the four first diagonal braces 15 are taken, the two ends of each first diagonal brace 15 are respectively and fixedly installed on four groups of corresponding supporting piers 14 and brackets 13, so that the table rods 11, the lower upright rods 10 and the first diagonal braces 15 form an isosceles right triangle together, and the structure has firm stability.
The second diagonal braces 16 are installed, the included angle formed by the lower upright 10 and the cross beam 8 is called an upper brace angle, the included angle formed by the clamping rod 9 and the supporting rod 12 is called a lower brace angle, four groups of upper brace angles and lower brace angles are shared, four second diagonal braces 16 are taken, two ends of each second diagonal brace 16 are respectively and fixedly installed on the four groups of upper brace angles and lower brace angles, and the cross beam 8, the clamping rod 9 and the second diagonal braces 16 jointly form the right-angle tripod 25.
The upper longitudinal rods 17 and the lower longitudinal rods 18 are arranged, two upper longitudinal rods 17 are taken, two ends of the two upper longitudinal rods 17 are respectively and fixedly arranged on the front cross beam 8 and the rear cross beam 8, and the two upper longitudinal rods 17 are respectively positioned on the pier shoulders 5 at the left side and the right side of the pier head 4; the two lower longitudinal rods 18 are fixedly arranged at the two ends of the two upper longitudinal rods 18 on the lower ends of the front clamping rod 9 and the rear clamping rod 9 respectively, and the two lower longitudinal rods 18 are tightly attached to the side surfaces of the bridge pier 1 respectively.
Two pedals 3 are taken and respectively mounted on front and rear table rods 11 on two sides of a bridge pier 1, through holes are drilled on a rectangular frame 19 and the table rods 11 on the pedals 3, and the rectangular frame 19 is fixedly mounted on the table rods 11 by bolts 21.
The outer guard rail 22 is arranged at the outer side edge of the pedal 3, the height of the outer guard rail is 100cm, the inner guard rail 23 is arranged at the inner side edge of the pedal 3, and the height of the inner guard rail is 10cm.
Claims (7)
1. The pier-base bridge construction platform comprises a pier, a girder erection and pedals, and is characterized in that the center position of the top end surface of the pier is set to be a pier head, and the peripheral position is set to be a pier shoulder; the front side and the rear side of the pier shoulder are respectively provided with a set of frame beams, the frame beams comprise a cross beam, the cross beam is longer than the width of the bridge body plate, the left side and the right side of the cross beam are respectively provided with a clamping rod, and the clamping rods are closely attached to the left side and the right side of the bridge pier and are vertically and fixedly arranged on the lower side of the cross beam; the left side and the right side of the cross beam are respectively provided with a lower upright rod, and the lower upright rods are vertically and fixedly arranged on the lower side of the cross beam along the downward line along the side surfaces of the left side and the right side of the bridge plate; the parts of the left side and the right side of the cross beam, which extend out of the bridge body plate, are called table rods; the length of the lower vertical rod is equal to that of the table rod, a supporting rod is fixedly arranged at the lower end of the lower vertical rod and the lower end of the clamping rod, a supporting head extends outwards from the lower vertical rod of the supporting rod, a supporting pier extends downwards from the outer end of the table rod, and a first inclined supporting rod is fixedly arranged between the supporting pier and the supporting head; a second diagonal brace is fixedly arranged between the included angle formed by the lower upright rod and the cross beam and the included angle formed by the clamping rod and the supporting rod to form a frame beam; the pedals are fixedly arranged on the table rods of the front and rear sets of frame beams, and one pedal is respectively arranged on two sides of the bridge body plate to form a construction platform.
2. The pier-based bridge construction platform of claim 1, wherein the length of the clamping bar is greater than or equal to the length of the table bar, but the length of the lower upright bar cannot be greater than the length of the table bar but can only be equal to the length of the table bar.
3. The pier-base bridge construction platform according to claim 2, wherein two upper longitudinal rods and two lower longitudinal rods are fixedly installed between the two cross beams, the two upper longitudinal rods are respectively installed on the pier shoulders on the left side and the right side of the pier head, and the two lower longitudinal rods are respectively installed on the bottom ends of the two clamping rods on each of the left side and the right side of the pier.
4. The pier-base bridge construction platform according to claim 3, wherein the periphery of the pedal is a rectangular frame, and a solid pedal is installed in the rectangular frame; the rectangular frame is fixedly arranged on the table rod through bolts.
5. The pier-base bridge construction platform of claim 1, wherein the footrests are provided with guardrails.
6. The pier-based bridge construction platform of claim 1, wherein the guard rails on the outer side edges of the pedals are called outer guard rails, the guard rails on the inner side edges are called inner guard rails, the height of the outer guard rails corresponds to the waist height of a human body, and the height of the inner guard rails corresponds to the height of shoes.
7. A pier foundation bridge construction platform installation method comprises the following steps:
the method comprises the steps that a pier head and a pier shoulder are arranged on a selected end face, and a construction platform is installed on the basis of the pier;
secondly, manufacturing a pedal, namely manufacturing a rectangular frame and a rectangular solid plate, and mounting the rectangular solid plate in the rectangular frame to manufacture the pedal;
mounting cross beams, namely, two cross beams are taken and respectively mounted on pier shoulders on the front side and the rear side of a pier head on the end face of a pier, two ends of each cross beam extend out of two sides of a bridge plate in design, the parts extending out of the two sides of the bridge plate are equal to the width of a pedal, and the parts of the cross beams extending out of the bridge plate are called as table rods;
mounting clamping rods, namely taking four clamping rods, wherein the length of each clamping rod is greater than or equal to that of each table rod, vertically and fixedly mounting the four clamping rods at the positions, close to the bridge pier, of the lower surfaces of the two cross beams on the two sides of the bridge pier respectively, and enabling the four clamping rods to be closely attached to the side surfaces of the bridge pier;
installing lower upright posts, namely taking four lower upright posts, wherein the length of each lower upright post is equal to that of each table post, respectively and vertically and fixedly installing the four lower upright posts on the lower surfaces of two cross beams positioned on two sides of a bridge pier, and enabling the outer side surfaces of the four lower upright posts to face downwards along the line of the outer side surface of a bridge plate in design;
mounting the supporting rods, namely taking four supporting rods, respectively fixedly mounting two ends of each supporting rod on the lower ends of the clamping rods and the lower ends of the lower vertical rods, and enabling the supporting rods to extend outwards from the lower vertical rods and extend out of one supporting head;
the first diagonal braces are arranged, a supporting pier is fixedly arranged on the lower surfaces of the outer ends of the four table rods at the two ends of the two cross beams respectively, four first diagonal braces are taken, the two ends of each first diagonal brace are fixedly arranged on four groups of corresponding supporting piers and brackets respectively, and the table rods, the lower vertical rods and the first diagonal braces form an isosceles right triangle;
the second diagonal braces are arranged, the included angle formed by the lower upright rod and the cross beam is called an upper brace angle, the included angle formed by the clamping rod and the supporting rod is called a lower brace angle, four groups of upper brace angles and lower brace angles are shared, four second diagonal braces are taken, two ends of each second diagonal brace are respectively and fixedly arranged on the four groups of upper brace angles and the four groups of lower brace angles, and the cross beam, the clamping rod and the second diagonal braces form a right-angle tripod together;
the method comprises the steps of mounting an upper longitudinal rod and a lower longitudinal rod, taking two upper longitudinal rods, respectively and fixedly mounting two ends of the two upper longitudinal rods on a front cross beam and a rear cross beam, and respectively positioning the two upper longitudinal rods on pier shoulders on the left side and the right side of a pier head; two lower longitudinal rods are taken, two ends of two upper longitudinal rods are respectively and fixedly arranged on the lower ends of the front clamping rod and the rear clamping rod, and the two lower longitudinal rods are respectively clung to the side surfaces of the bridge pier;
the method comprises the steps of (1) taking two pedals, respectively installing the two pedals on a front table rod and a rear table rod on two sides of a bridge pier, drilling through holes in a frame and the table rods on the pedals, and fixedly installing the frame on the table rods by bolts;
and installing guardrails, installing high guardrails on the outer side edge of the pedal, and installing low guardrails on the inner side edge of the pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877513.0A CN113585082B (en) | 2021-07-31 | 2021-07-31 | Pier foundation bridge construction platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877513.0A CN113585082B (en) | 2021-07-31 | 2021-07-31 | Pier foundation bridge construction platform |
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| CN113585082A CN113585082A (en) | 2021-11-02 |
| CN113585082B true CN113585082B (en) | 2023-04-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205116030U (en) * | 2015-10-21 | 2016-03-30 | 中交第一公路工程局有限公司 | No. 0 three angle brackets of piece of box girder bridge have just been constructed in succession |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729391B1 (en) * | 2006-11-20 | 2007-06-15 | 주식회사 누리플랜 | A temporary bridge and method for construting thereof |
| CN204530483U (en) * | 2014-12-31 | 2015-08-05 | 中交路桥华南工程有限公司 | Capping construction support |
| CN209194353U (en) * | 2018-11-22 | 2019-08-02 | 中交路桥建设有限公司 | It is a kind of to ride integral type bracket suitable for the construction of Bridge High-pier 0# block |
| CN111441258A (en) * | 2020-05-21 | 2020-07-24 | 中交二公局第三工程有限公司 | Connection-free self-stability large cantilever bent cap support system |
-
2021
- 2021-07-31 CN CN202110877513.0A patent/CN113585082B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205116030U (en) * | 2015-10-21 | 2016-03-30 | 中交第一公路工程局有限公司 | No. 0 three angle brackets of piece of box girder bridge have just been constructed in succession |
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